{"id":6518,"date":"2025-05-02T08:42:00","date_gmt":"2025-05-02T00:42:00","guid":{"rendered":"https:\/\/topfastpcba.com\/?p=6518"},"modified":"2025-10-22T17:12:44","modified_gmt":"2025-10-22T09:12:44","slug":"four-layer-pcb-stackup","status":"publish","type":"post","link":"https:\/\/topfastpcba.com\/ar\/four-layer-pcb-stackup\/","title":{"rendered":"\u062a\u0643\u062f\u064a\u0633 \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631 \u0631\u0628\u0627\u0639\u064a \u0627\u0644\u0637\u0628\u0642\u0627\u062a"},"content":{"rendered":"<p>\u0628\u0627\u0644\u0645\u0642\u0627\u0631\u0646\u0629 \u0645\u0639 \u0644\u0648\u062d\u0627\u062a \u062f\u0627\u0631\u0627\u062a \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631 \u0623\u062d\u0627\u062f\u064a\u0629 \u0627\u0644\u062c\u0627\u0646\u0628 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class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/topfastpcba.com\/ar\/four-layer-pcb-stackup\/#Material_Preparation_Processing\" >\u062a\u062d\u0636\u064a\u0631 \u0627\u0644\u0645\u0648\u0627\u062f \u0648\u0645\u0639\u0627\u0644\u062c\u062a\u0647\u0627<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/topfastpcba.com\/ar\/four-layer-pcb-stackup\/#Pattern_Transfer_Technology\" >\u062a\u0642\u0646\u064a\u0629 \u0646\u0642\u0644 \u0627\u0644\u0623\u0646\u0645\u0627\u0637<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/topfastpcba.com\/ar\/four-layer-pcb-stackup\/#Plating_Surface_Finishes\" >\u0627\u0644\u0637\u0644\u0627\u0621 \u0648\u0627\u0644\u0637\u0644\u0627\u0621\u061b \u062a\u0634\u0637\u064a\u0628\u0627\u062a \u0627\u0644\u0633\u0637\u062d<\/a><\/li><li class='ez-toc-page-1 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class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/topfastpcba.com\/ar\/four-layer-pcb-stackup\/#1_Optimized_Electrical_Performance\" >1. \u0627\u0644\u0623\u062f\u0627\u0621 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a \u0627\u0644\u0623\u0645\u062b\u0644<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/topfastpcba.com\/ar\/four-layer-pcb-stackup\/#2_Improved_Design_Flexibility\" >2.\u062a\u062d\u0633\u064a\u0646 \u0645\u0631\u0648\u0646\u0629 \u0627\u0644\u062a\u0635\u0645\u064a\u0645<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/topfastpcba.com\/ar\/four-layer-pcb-stackup\/#3_Enhanced_Mechanical_Reliability\" >3.\u062a\u0639\u0632\u064a\u0632 \u0627\u0644\u0645\u0648\u062b\u0648\u0642\u064a\u0629 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\u0637\u0628\u0642\u0627\u062a<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/topfastpcba.com\/ar\/four-layer-pcb-stackup\/#1_Critical_Lamination_Process_Technologies\" >1. \u062a\u0642\u0646\u064a\u0627\u062a \u0639\u0645\u0644\u064a\u0629 \u0627\u0644\u062a\u0635\u0641\u064a\u062d \u0627\u0644\u062d\u0631\u062c\u0629<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/topfastpcba.com\/ar\/four-layer-pcb-stackup\/#2_Precision_Drilling_Plating_Process\" >2.\u0627\u0644\u062d\u0641\u0631 \u0627\u0644\u062f\u0642\u064a\u0642 \u0648\u061b \u0639\u0645\u0644\u064a\u0629 \u0627\u0644\u0637\u0644\u0627\u0621<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/topfastpcba.com\/ar\/four-layer-pcb-stackup\/#3_Surface_Finishing_Processes\" >3.\u0639\u0645\u0644\u064a\u0627\u062a \u0627\u0644\u062a\u0634\u0637\u064a\u0628 \u0627\u0644\u0633\u0637\u062d\u064a<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-25\" href=\"https:\/\/topfastpcba.com\/ar\/four-layer-pcb-stackup\/#4_Process_Validation_Testing\" >4.\u0627\u0644\u062a\u062d\u0642\u0642 \u0645\u0646 \u0635\u062d\u0629 \u0627\u0644\u0639\u0645\u0644\u064a\u0629 \u0648\u0627\u0644\u0627\u062e\u062a\u0628\u0627\u0631<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-26\" href=\"https:\/\/topfastpcba.com\/ar\/four-layer-pcb-stackup\/#5_Manufacturing_Process_Optimization\" >5.\u062a\u062d\u0633\u064a\u0646 \u0639\u0645\u0644\u064a\u0629 \u0627\u0644\u062a\u0635\u0646\u064a\u0639<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-27\" href=\"https:\/\/topfastpcba.com\/ar\/four-layer-pcb-stackup\/#Application_Recommendations-2\" >\u062a\u0648\u0635\u064a\u0627\u062a \u0627\u0644\u062a\u0637\u0628\u064a\u0642:<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-28\" href=\"https:\/\/topfastpcba.com\/ar\/four-layer-pcb-stackup\/#Optimization_Methods_for_4_Layer_PCB_Manufacturing_Process\" >\u0637\u0631\u0642 \u0627\u0644\u062a\u062d\u0633\u064a\u0646 \u0627\u0644\u0623\u0645\u062b\u0644 \u0644\u0639\u0645\u0644\u064a\u0629 \u062a\u0635\u0646\u064a\u0639 \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631 \u0631\u0628\u0627\u0639\u064a \u0627\u0644\u0637\u0628\u0642\u0627\u062a<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-29\" href=\"https:\/\/topfastpcba.com\/ar\/four-layer-pcb-stackup\/#1_Design_Optimization_Strategies\" >1. \u0627\u0633\u062a\u0631\u0627\u062a\u064a\u062c\u064a\u0627\u062a \u062a\u062d\u0633\u064a\u0646 \u0627\u0644\u062a\u0635\u0645\u064a\u0645<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-30\" href=\"https:\/\/topfastpcba.com\/ar\/four-layer-pcb-stackup\/#2_Key_Production_Process_Controls\" >2.\u0636\u0648\u0627\u0628\u0637 \u0639\u0645\u0644\u064a\u0629 \u0627\u0644\u0625\u0646\u062a\u0627\u062c \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-31\" href=\"https:\/\/topfastpcba.com\/ar\/four-layer-pcb-stackup\/#3_Cost_Optimization_Solutions\" >3.\u062d\u0644\u0648\u0644 \u062a\u062d\u0633\u064a\u0646 \u0627\u0644\u062a\u0643\u0644\u0641\u0629<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-32\" href=\"https:\/\/topfastpcba.com\/ar\/four-layer-pcb-stackup\/#Implementation_Effectiveness_Evaluation\" >\u062a\u0642\u064a\u064a\u0645 \u0641\u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u062a\u0646\u0641\u064a\u0630:<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Technical_Specifications_of_4_Layer_PCB_Boards\"><\/span>\u0627\u0644\u0645\u0648\u0627\u0635\u0641\u0627\u062a \u0627\u0644\u0641\u0646\u064a\u0629 \u0644\u0640 <a href=\"https:\/\/topfastpcba.com\/wp-admin\/post.php?post=1444&amp;action=edit\">\u0623\u0644\u0648\u0627\u062d \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631 4 \u0637\u0628\u0642\u0627\u062a<\/a><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Basic_Structure\"><\/span>\u0627\u0644\u0647\u064a\u0643\u0644 \u0627\u0644\u0623\u0633\u0627\u0633\u064a<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u062a\u0639\u062a\u0645\u062f \u0644\u0648\u062d\u0629 \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631 \u0627\u0644\u0645\u0643\u0648\u0646\u0629 \u0645\u0646 4 \u0637\u0628\u0642\u0627\u062a \u0639\u0644\u0649 \u062a\u0643\u0648\u064a\u0646 \u062a\u0643\u062f\u064a\u0633 \u0627\u0644\u0625\u0634\u0627\u0631\u0627\u062a \u0648\u0627\u0644\u0637\u0627\u0642\u0629 \u0648\u0627\u0644\u0623\u0631\u0636 \u0648\u0627\u0644\u0625\u0634\u0627\u0631\u0629 \u0627\u0644\u0643\u0644\u0627\u0633\u064a\u0643\u064a\u0629&#8220;\u060c \u0648\u062a\u0643\u0648\u064a\u0646 \u062a\u0643\u062f\u064a\u0633 \u0627\u0644\u0625\u0634\u0627\u0631\u0627\u062a:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u0627\u0644\u0637\u0628\u0642\u0629 \u0627\u0644\u0639\u0644\u064a\u0627<\/strong>: \u062a\u0631\u0643\u064a\u0628 \u0627\u0644\u0645\u0643\u0648\u0646\u0627\u062a \u0648\u0627\u0644\u062a\u0648\u062c\u064a\u0647 \u0627\u0644\u0633\u0637\u062d\u064a<\/li>\n\n\n\n<li><strong>\u0627\u0644\u0637\u0628\u0642\u0629 \u0627\u0644\u062f\u0627\u062e\u0644\u064a\u0629 1<\/strong>: \u0637\u0628\u0642\u0629 \u0625\u0631\u0633\u0627\u0644 \u0627\u0644\u0625\u0634\u0627\u0631\u0627\u062a (\u0627\u0644\u0623\u0648\u0644\u0648\u064a\u0629 \u0644\u0644\u0625\u0634\u0627\u0631\u0627\u062a \u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u062a\u0631\u062f\u062f)<\/li>\n\n\n\n<li><strong>\u0627\u0644\u0637\u0628\u0642\u0629 \u0627\u0644\u062f\u0627\u062e\u0644\u064a\u0629 2<\/strong>: \u0645\u0633\u062a\u0648\u0649 \u0627\u0644\u0637\u0627\u0642\u0629 (\u0645\u0633\u062a\u0648\u0649 \u0627\u0644\u0637\u0627\u0642\u0629)<\/li>\n\n\n\n<li><strong>\u0627\u0644\u0637\u0628\u0642\u0629 \u0627\u0644\u0633\u0641\u0644\u064a\u0629<\/strong>: \u0637\u0628\u0642\u0629 \u0627\u0644\u0625\u0634\u0627\u0631\u0629 \u0648\u0633\u0637\u062d \u0627\u0644\u0644\u062d\u0627\u0645<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Core_Advantages_Comparison\"><\/span>\u0645\u0642\u0627\u0631\u0646\u0629 \u0627\u0644\u0645\u0632\u0627\u064a\u0627 \u0627\u0644\u0623\u0633\u0627\u0633\u064a\u0629<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u0645\u0642\u064a\u0627\u0633 \u0627\u0644\u0623\u062f\u0627\u0621<\/th><th>\u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631 \u0645\u0632\u062f\u0648\u062c \u0627\u0644\u0637\u0628\u0642\u0629<\/th><th>4 \u0637\u0628\u0642\u0627\u062a \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631<\/th><th>\u0627\u0644\u062a\u062d\u0633\u064a\u0646\u0627\u062a<\/th><\/tr><\/thead><tbody><tr><td>\u0643\u062b\u0627\u0641\u0629 \u0627\u0644\u062a\u0648\u062c\u064a\u0647<\/td><td>2-4 \u062e\u0637\u0648\u0637\/\u0633\u0645 2-4 \u062e\u0637\u0648\u0637\/\u0633\u0645<\/td><td>8-12 \u062e\u0637\u0627\u064b\/\u0633\u0645<\/td><td>300%<\/td><\/tr><tr><td>\u062a\u0643\u0627\u0645\u0644 \u0627\u0644\u0625\u0634\u0627\u0631\u0629<\/td><td>60-80\u03a9 impedance variation<\/td><td>\u00b15% impedance control<\/td><td>\u0623\u0641\u0636\u0644 5 \u0645\u0631\u0627\u062a<\/td><\/tr><tr><td>\u0636\u0648\u0636\u0627\u0621 \u0627\u0644\u0637\u0627\u0642\u0629<\/td><td>50-100 \u0645\u0644\u0644\u064a \u0641\u0648\u0644\u062a<\/td><td>&lt;10 \u0645\u064a\u0644\u064a \u0641\u0648\u0644\u062a<\/td><td>\u062a\u062e\u0641\u064a\u0636 \u0628\u0646\u0633\u0628\u0629 90%<\/td><\/tr><tr><td>\u0623\u062f\u0627\u0621 EMC<\/td><td>\u064a\u062a\u0637\u0644\u0628 \u062a\u062f\u0631\u064a\u0639\u0627\u064b \u0625\u0636\u0627\u0641\u064a\u0627\u064b<\/td><td>\u0637\u0628\u0642\u0627\u062a \u062a\u062f\u0631\u064a\u0639 \u0645\u062f\u0645\u062c\u0629<\/td><td>\u064a\u062a\u0648\u0627\u0641\u0642 \u0645\u0639 \u0627\u0644\u0641\u0626\u0629 \u0628<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Typical_Applications\"><\/span>\u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0627\u0644\u0646\u0645\u0648\u0630\u062c\u064a\u0629<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u062f\u0648\u0627\u0626\u0631 \u0631\u0642\u0645\u064a\u0629 \u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u0633\u0631\u0639\u0629<\/strong><\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0627\u0644\u0645\u064a\u0632\u0627\u062a: \u062a\u0631\u062f\u062f\u0627\u062a \u0627\u0644\u0633\u0627\u0639\u0629 \u0623\u0639\u0644\u0649 \u0645\u0646 100 \u0645\u064a\u062c\u0627\u0647\u0631\u062a\u0632<\/li>\n\n\n\n<li>\u0627\u0644\u062a\u0646\u0641\u064a\u0630:\u0645\u0633\u0627\u0631\u0627\u062a \u0627\u0644\u0639\u0648\u062f\u0629 \u0627\u0644\u0643\u0627\u0645\u0644\u0629 \u0639\u0628\u0631 \u0627\u0644\u0645\u0633\u062a\u0648\u064a\u0627\u062a \u0627\u0644\u0623\u0631\u0636\u064a\u0629 \u0627\u0644\u062f\u0627\u062e\u0644\u064a\u0629<\/li>\n\n\n\n<li>\u0645\u062b\u0627\u0644:\u0623\u0644\u0648\u0627\u062d \u0645\u0639\u0627\u0644\u062c\u0627\u062a ARM (6 \u0637\u0628\u0642\u0627\u062a HDI \u0645\u0639 \u0634\u0642\u0648\u0642 \u0639\u0645\u064a\u0627\u0621\/\u0645\u062f\u0641\u0648\u0646\u0629)<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u0627\u0644\u0623\u0646\u0638\u0645\u0629 \u0627\u0644\u062a\u0646\u0627\u0638\u0631\u064a\u0629 \u0627\u0644\u0645\u062e\u062a\u0644\u0637\u0629<\/strong><\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0627\u0644\u062d\u0644: \u0625\u0645\u062f\u0627\u062f\u0627\u062a \u0637\u0627\u0642\u0629 \u0631\u0642\u0645\u064a\u0629\/\u062a\u0646\u0627\u0638\u0631\u064a\u0629 \u0645\u0646\u0641\u0635\u0644\u0629<\/li>\n\n\n\n<li>\u062a\u062e\u0637\u064a\u0637:\u0625\u0634\u0627\u0631\u0627\u062a \u062a\u0646\u0627\u0638\u0631\u064a\u0629 \u0639\u0644\u0649 \u0627\u0644\u0637\u0628\u0642\u0629 \u0627\u0644\u0639\u0644\u064a\u0627 + \u0625\u0634\u0627\u0631\u0627\u062a \u0631\u0642\u0645\u064a\u0629 \u0639\u0644\u0649 \u0627\u0644\u0637\u0628\u0642\u0627\u062a \u0627\u0644\u062f\u0627\u062e\u0644\u064a\u0629<\/li>\n\n\n\n<li>\u0627\u0644\u0623\u062f\u0627\u0621:\u062d\u062f\u064a\u062b \u0645\u062a\u0642\u0627\u0637\u0639 &amp;lt\u061b -60 \u062f\u064a\u0633\u064a\u0628\u0644 \u0639\u0646\u062f 1 \u062c\u064a\u062c\u0627 \u0647\u0631\u062a\u0632<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u062a\u0635\u0645\u064a\u0645 \u0625\u0644\u0643\u062a\u0631\u0648\u0646\u064a\u0627\u062a \u0627\u0644\u0637\u0627\u0642\u0629<\/strong><\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0627\u0644\u062a\u0643\u0648\u064a\u0646: \u0645\u0633\u062a\u0648\u0649 \u0637\u0627\u0642\u0629 \u0646\u062d\u0627\u0633\u064a \u0633\u0645\u064a\u0643 2 \u0623\u0648\u0646\u0635\u0629<\/li>\n\n\n\n<li>Capability: Current density up to 10A\/mm\u00b2<\/li>\n\n\n\n<li>\u0627\u0644\u0625\u062f\u0627\u0631\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u064a\u0629: \u0635\u0641\u064a\u0641\u0627\u062a \u0639\u0628\u0631 \u0644\u062a\u0628\u062f\u064a\u062f \u0627\u0644\u062d\u0631\u0627\u0631\u0629<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Manufacturing_Key_Points\"><\/span>\u0646\u0642\u0627\u0637 \u0627\u0644\u062a\u0635\u0646\u064a\u0639 \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u0627\u0644\u062a\u062d\u0643\u0645 \u0641\u064a \u0627\u0644\u062a\u0635\u0641\u064a\u062d<\/strong><\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Dielectric thickness: 0.2mm \u00b15%<\/li>\n\n\n\n<li>\u062e\u064a\u0627\u0631\u0627\u062a \u0648\u0632\u0646 \u0627\u0644\u0646\u062d\u0627\u0633: 1 \u0623\u0648\u0646\u0635\u0629 \/ 2 \u0623\u0648\u0646\u0635\u0629<\/li>\n\n\n\n<li>Alignment accuracy: \u226450\u03bcm<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u0639\u0628\u0631 \u0627\u0644\u062a\u0635\u0645\u064a\u0645<\/strong><\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0627\u0644\u062b\u0642\u0628 \u0627\u0644\u0639\u0627\u0628\u0631: 0.3 \u0645\u0645\/ 0.6 \u0645\u0645 (\u0642\u0637\u0631 \u0627\u0644\u062b\u0642\u0628\/ \u0627\u0644\u0648\u0633\u0627\u062f\u0629)<\/li>\n\n\n\n<li>\u0627\u0644\u0634\u0642\u0648\u0642 \u0627\u0644\u0639\u0645\u064a\u0627\u0621: L1-L2 \u0623\u0648 L3-L4<\/li>\n\n\n\n<li>\u0627\u0644\u0634\u0642\u0648\u0642 \u0627\u0644\u0645\u062f\u0641\u0648\u0646\u0629:L2-L3 (\u062a\u062a\u0637\u0644\u0628 \u0627\u0644\u062d\u0641\u0631 \u0628\u0627\u0644\u0644\u064a\u0632\u0631)<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u0627\u0644\u062a\u062d\u0643\u0645 \u0641\u064a \u0627\u0644\u0645\u0639\u0627\u0648\u0642\u0629<\/strong><\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Microstrip: 50\u03a9 \u00b110% (outer layers)<\/li>\n\n\n\n<li>Stripline: 100\u03a9 differential (inner layers)<\/li>\n\n\n\n<li>\u0627\u0644\u062a\u062d\u0642\u0642\u0627\u062e\u062a\u0628\u0627\u0631 \u0642\u064a\u0627\u0633 \u0627\u0644\u0627\u0646\u0639\u0643\u0627\u0633 \u0641\u064a \u0627\u0644\u0645\u062c\u0627\u0644 \u0627\u0644\u0632\u0645\u0646\u064a (TDR)<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Selection_Guidelines\"><\/span>\u0625\u0631\u0634\u0627\u062f\u0627\u062a \u0627\u0644\u0627\u062e\u062a\u064a\u0627\u0631<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u062d\u0627\u0644\u0627\u062a \u0627\u0644\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0627\u0644\u0645\u0648\u0635\u0649 \u0628\u0647\u0627<\/strong><\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Operating frequency \u226550MHz<\/li>\n\n\n\n<li>Component count \u2265100<\/li>\n\n\n\n<li>BGA packages (pitch \u22640.8mm)<\/li>\n\n\n\n<li>\u064a\u062a\u0637\u0644\u0628 \u0623\u0643\u062b\u0631 \u0645\u0646 4 \u0646\u0637\u0627\u0642\u0627\u062a \u0637\u0627\u0642\u0629 4+<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u062a\u062d\u0633\u064a\u0646 \u0627\u0644\u062a\u0643\u0644\u0641\u0629<\/strong><\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Standard FR4 material (TG\u2265130\u2103)<\/li>\n\n\n\n<li>\u0627\u0644\u062d\u062f \u0627\u0644\u0623\u062f\u0646\u0649 \u0645\u0646 \u0627\u0644\u062a\u062a\u0628\u0639\/\u0627\u0644\u0645\u0633\u0627\u062d\u0629: 4 \u0645\u0644\u064a\u0645\u062a\u0631\/4 \u0645\u0644\u064a\u0645\u062a\u0631<\/li>\n\n\n\n<li>\u062a\u062c\u0646\u0628 \u0627\u0644\u0634\u0642\u0648\u0642 \u0627\u0644\u0639\u0645\u064a\u0627\u0621\/\u0627\u0644\u0645\u062d\u0641\u0648\u0631\u0629<\/li>\n<\/ul>\n\n\n\n<p><strong>\u0645\u0644\u0627\u062d\u0638\u0629<\/strong>: \u062a\u062f\u0639\u0645 \u0645\u0631\u0643\u0628\u0627\u062a \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631 \u0627\u0644\u062d\u062f\u064a\u062b\u0629 \u0627\u0644\u0645\u0643\u0648\u0646\u0629 \u0645\u0646 4 \u0637\u0628\u0642\u0627\u062a 3 \u0645\u064a\u0644\/\u0645\u0633\u0627\u062d\u0629 \u0645\u0639 \u0645\u064a\u0643\u0631\u0648\u0641\u064a\u0627\u062a 0.25 \u0645\u0645\u060c \u0645\u0645\u0627 \u064a\u062d\u0642\u0642 \u0643\u062b\u0627\u0641\u0629 \u062a\u0648\u062c\u064a\u0647 \u0645\u0645\u0627\u062b\u0644\u0629 \u0644\u0644\u0648\u062d\u0627\u062a \u0630\u0627\u062a 6 \u0637\u0628\u0642\u0627\u062a. \u0648\u0641\u0642\u064b\u0627 \u0644\u0645\u0639\u0627\u064a\u064a\u0631 IPC-2221B\u060c \u064a\u0645\u0643\u0646 \u0623\u0646 \u062a\u062d\u0642\u0642 \u0645\u0631\u0643\u0628\u0627\u062a \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631 \u0631\u0628\u0627\u0639\u064a\u0629 \u0627\u0644\u0637\u0628\u0642\u0627\u062a \u0639\u0645\u0631 \u0627\u0641\u062a\u0631\u0627\u0636\u064a \u064a\u0635\u0644 \u0625\u0644\u0649 10 \u0633\u0646\u0648\u0627\u062a (\u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0645\u0646 \u0627\u0644\u062f\u0631\u062c\u0629 \u0627\u0644\u0635\u0646\u0627\u0639\u064a\u0629).<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"750\" height=\"750\" src=\"https:\/\/topfastpcba.com\/wp-content\/uploads\/2025\/04\/Rigid-PCB29.jpg\" alt=\"4 \u0637\u0628\u0642\u0627\u062a \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631\" class=\"wp-image-6545\" title=\"4 \u0637\u0628\u0642\u0627\u062a \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631\" srcset=\"https:\/\/topfastpcba.com\/wp-content\/uploads\/2025\/04\/Rigid-PCB29.jpg 750w, https:\/\/topfastpcba.com\/wp-content\/uploads\/2025\/04\/Rigid-PCB29-300x300.jpg 300w, https:\/\/topfastpcba.com\/wp-content\/uploads\/2025\/04\/Rigid-PCB29-150x150.jpg 150w, https:\/\/topfastpcba.com\/wp-content\/uploads\/2025\/04\/Rigid-PCB29-400x400.jpg 400w\" sizes=\"auto, (max-width: 750px) 100vw, 750px\" \/><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Comprehensive_Manufacturing_Process_of_4_Layer_PCB_Boards\"><\/span>\u0639\u0645\u0644\u064a\u0629 \u0627\u0644\u062a\u0635\u0646\u064a\u0639 \u0627\u0644\u0634\u0627\u0645\u0644\u0629 \u0644\u0644\u0648\u062d\u0627\u062a \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631 \u0631\u0628\u0627\u0639\u064a\u0629 \u0627\u0644\u0637\u0628\u0642\u0627\u062a<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Design_Engineering_Phase\"><\/span>\u0645\u0631\u062d\u0644\u0629 \u0627\u0644\u062a\u0635\u0645\u064a\u0645 \u0627\u0644\u0647\u0646\u062f\u0633\u064a<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u0627\u0644\u062a\u062d\u0642\u0642 \u0645\u0646 \u062a\u0635\u0645\u064a\u0645 EDA<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0623\u062f\u0648\u0627\u062a \u0627\u062d\u062a\u0631\u0627\u0641\u064a\u0629: \u0643\u0627\u062f\u064a\u0646\u0633 \u0623\u0644\u064a\u062c\u0631\u0648\/\u0625\u0633\u0646\u062a\u0648\u0631 \u0625\u0643\u0633\u0628\u064a\u062f\u064a\u0634\u0646<\/li>\n\n\n\n<li>\u062a\u062d\u0644\u064a\u0644 \u0633\u0644\u0627\u0645\u0629 \u0627\u0644\u0625\u0634\u0627\u0631\u0629 (HyperLynx)<\/li>\n\n\n\n<li>\u0627\u0644\u0625\u062e\u0631\u0627\u062c: \u0645\u0644\u0641\u0627\u062a \u0627\u0644\u0625\u0646\u062a\u0627\u062c \u0628\u0635\u064a\u063a\u0629 Gerber 274X \u062c\u0631\u0628\u0631 274X<\/li>\n\n\n\n<li>\u0627\u0644\u0645\u0639\u0644\u0645\u0627\u062a \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629:<br>\u2713 Minimum trace\/space: 3\/3mil<br>\u2713 Impedance control: \u00b110%<br>\u2713 Via count: \u22652000\/m\u00b2<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Material_Preparation_Processing\"><\/span>\u062a\u062d\u0636\u064a\u0631 \u0627\u0644\u0645\u0648\u0627\u062f \u0648\u0645\u0639\u0627\u0644\u062c\u062a\u0647\u0627<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u0627\u062e\u062a\u064a\u0627\u0631 \u0635\u0641\u0627\u0626\u062d \u0627\u0644\u0646\u062d\u0627\u0633 \u0627\u0644\u0645\u0643\u0633\u0648\u0629 \u0628\u0627\u0644\u0646\u062d\u0627\u0633<\/strong><\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>FR-4 \u0627\u0644\u0642\u064a\u0627\u0633\u064a (TG150)<\/li>\n\n\n\n<li>\u062e\u064a\u0627\u0631\u0627\u062a \u0633\u064f\u0645\u0643 \u0627\u0644\u0646\u062d\u0627\u0633: 1\/2 \u0623\u0648\u0646\u0635\u0629 \u0642\u0627\u0628\u0644\u0629 \u0644\u0644\u062a\u0639\u062f\u064a\u0644<\/li>\n\n\n\n<li>Dimensional tolerance: \u00b10.1mm<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u0627\u0644\u062d\u0641\u0631 \u0627\u0644\u062f\u0642\u064a\u0642<\/strong><\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0627\u0644\u0645\u0639\u062f\u0627\u062a:\u0645\u0627\u0643\u064a\u0646\u0629 \u0627\u0644\u062d\u0641\u0631 \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0627\u0644\u062d\u0627\u0633\u0628 \u0627\u0644\u0622\u0644\u064a \u0630\u0627\u062a 6 \u0645\u062d\u0627\u0648\u0631<\/li>\n\n\n\n<li>\u0627\u0644\u062f\u0642\u0629:<br>\u2713 Hole position deviation: \u226425\u03bcm<br>\u2713 Hole diameter tolerance: \u00b150\u03bcm<\/li>\n\n\n\n<li>\u0627\u0644\u0645\u0639\u0644\u0645\u0627\u062a \u0627\u0644\u0646\u0645\u0648\u0630\u062c\u064a\u0629:<br>\u2713 Spindle speed: 150krpm<br>\u2713 Panel stack thickness: \u22642.4mm<\/li>\n<\/ul>\n\n\n\n<h3>\u0639\u0645\u0644\u064a\u0629 \u0627\u0644\u062a\u0635\u0641\u064a\u062d \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0637\u0628\u0642\u0627\u062a<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u062a\u0643\u062f\u064a\u0633 \u0627\u0644\u0637\u0628\u0642\u0627\u062a<\/strong><\/li>\n<\/ol>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u0627\u0644\u0637\u0628\u0642\u0629<\/th><th>\u0627\u0644\u062a\u0639\u064a\u064a\u0646<\/th><th>\u0627\u0644\u0633\u064f\u0645\u0643 (\u0645\u0645)<\/th><th>\u0648\u0632\u0646 \u0627\u0644\u0646\u062d\u0627\u0633<\/th><th>\u0627\u0644\u0648\u0638\u064a\u0641\u0629 \u0627\u0644\u0623\u0633\u0627\u0633\u064a\u0629<\/th><\/tr><\/thead><tbody><tr><td>\u0623\u0639\u0644\u0649<\/td><td>\u0637\u0628\u0642\u0629 \u0627\u0644\u0625\u0634\u0627\u0631\u0629 (L1)<\/td><td>0.035 \u00b10.005<\/td><td>1 \u0623\u0648\u0646\u0635\u0629<\/td><td>\u0648\u0636\u0639 \u0627\u0644\u0645\u0643\u0648\u0651\u0646\u0627\u062a \u0648\u0645\u0648\u0636\u0639\u0647\u0627\u061b \u0627\u0644\u062a\u0648\u062c\u064a\u0647<\/td><\/tr><tr><td>\u062f\u0627\u062e\u0644\u064a<\/td><td>\u0645\u0633\u062a\u0648\u0649 \u0627\u0644\u0637\u0627\u0642\u0629 (L2)<\/td><td>0.50 \u00b10.05<\/td><td>2 \u0623\u0648\u0646\u0635\u0629<\/td><td>\u0645\u0635\u0628\u0627\u062d \u062a\u0648\u0632\u064a\u0639 \u0627\u0644\u0637\u0627\u0642\u0629&amp;\u061b \u0641\u0635\u0644 \u0627\u0644\u0637\u0627\u0642\u0629\u061b \u0641\u0635\u0644<\/td><\/tr><tr><td>\u062f\u0627\u062e\u0644\u064a<\/td><td>\u0627\u0644\u0645\u0633\u062a\u0648\u0649 \u0627\u0644\u0623\u0631\u0636\u064a (L3)<\/td><td>0.50 \u00b10.05<\/td><td>2 \u0623\u0648\u0646\u0635\u0629<\/td><td>\u0645\u0633\u0627\u0631 \u0625\u0631\u062c\u0627\u0639 \u0627\u0644\u0625\u0634\u0627\u0631\u0629 \u0648\u0631\u0637\u0648\u0628\u0629\u061b \u062a\u062f\u0631\u064a\u0639 EMI<\/td><\/tr><tr><td>\u0627\u0644\u0642\u0627\u0639<\/td><td>\u0637\u0628\u0642\u0629 \u0627\u0644\u0625\u0634\u0627\u0631\u0629 (L4)<\/td><td>0.035 \u00b10.005<\/td><td>1 \u0623\u0648\u0646\u0635\u0629<\/td><td>\u0627\u0644\u062a\u0648\u062c\u064a\u0647 \u0627\u0644\u062b\u0627\u0646\u0648\u064a &amp;\u0645\u0635\u0628\u0627\u062d \u0627\u0644\u062a\u0648\u062c\u064a\u0647 \u0627\u0644\u062b\u0627\u0646\u0648\u064a\u061b \u0627\u0644\u0644\u062d\u0627\u0645<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>2. <strong>\u0645\u0639\u0644\u0645\u0627\u062a \u0627\u0644\u062a\u0635\u0641\u064a\u062d<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Temperature: 180\u00b15\u2103<\/li>\n\n\n\n<li>Pressure: 300\u00b150psi<\/li>\n\n\n\n<li>Duration: 90\u00b110 minutes<\/li>\n\n\n\n<li>Vacuum level: \u226410mbar<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Pattern_Transfer_Technology\"><\/span>\u062a\u0642\u0646\u064a\u0629 \u0646\u0642\u0644 \u0627\u0644\u0623\u0646\u0645\u0627\u0637<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u0627\u0644\u062a\u0639\u0631\u0636 \u0644\u0640 LDI<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Resolution: 20\u03bcm<\/li>\n\n\n\n<li>Alignment accuracy: \u00b115\u03bcm<\/li>\n\n\n\n<li>\u0627\u0644\u0633\u0639\u0629: 50 \u0644\u0648\u062d\u0629\/\u0633\u0627\u0639\u0629<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u0646\u0642\u0634 \u0627\u0644\u062f\u0648\u0627\u0626\u0631<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Etch factor: \u22653:1<\/li>\n\n\n\n<li>Undercut control: \u226410%<\/li>\n\n\n\n<li>Copper thickness uniformity: \u00b15%<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Plating_Surface_Finishes\"><\/span>\u0627\u0644\u0637\u0644\u0627\u0621 \u0648\u0627\u0644\u0637\u0644\u0627\u0621\u061b \u062a\u0634\u0637\u064a\u0628\u0627\u062a \u0627\u0644\u0633\u0637\u062d<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u062a\u0645\u0639\u062f\u0646 \u0627\u0644\u062b\u0642\u0628<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Electroless copper: 0.5-1\u03bcm<\/li>\n\n\n\n<li>Electroplated copper: 25\u00b15\u03bcm<\/li>\n\n\n\n<li>Hole wall pull strength: \u22651.0N\/mm<\/li>\n<\/ul>\n\n\n\n<p>   2. <strong>\u062e\u064a\u0627\u0631\u0627\u062a \u062a\u0634\u0637\u064a\u0628 \u0627\u0644\u0633\u0637\u062d<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u062a\u0634\u0637\u064a\u0628 \u0627\u0644\u0633\u0637\u062d<\/th><th>\u0627\u0644\u0645\u0648\u0627\u0635\u0641\u0627\u062a \u0627\u0644\u0641\u0646\u064a\u0629<\/th><th>\u0646\u0637\u0627\u0642 \u0627\u0644\u0633\u064f\u0645\u0643<\/th><th>\u0627\u0644\u062e\u0635\u0627\u0626\u0635 \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629<\/th><th>\u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0627\u0644\u0645\u0648\u0635\u0649 \u0628\u0647\u0627<\/th><th>\u0645\u062f\u0629 \u0627\u0644\u0635\u0644\u0627\u062d\u064a\u0629<\/th><th>\u0645\u0639\u064a\u0627\u0631 IPC<\/th><\/tr><\/thead><tbody><tr><td>ENIG (\u0630\u0647\u0628 \u0645\u063a\u0645\u0648\u0631 \u0628\u0627\u0644\u0646\u064a\u0643\u0644 \u0639\u062f\u064a\u0645 \u0627\u0644\u0646\u064a\u0643\u0644 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a)<\/td><td>Ni: 3-5\u03bcm<br>Au: 0.05-0.1\u03bcm<\/td><td>Ni: 120-200\u03bcin<br>Au: 2-4\u03bcin<\/td><td>&amp;#8211\u061b \u062a\u0633\u0637\u064a\u062d \u0645\u0645\u062a\u0627\u0632<br>&amp;#8211\u061b \u0642\u0627\u0628\u0644\u064a\u0629 \u0644\u062d\u0627\u0645 \u062c\u064a\u062f\u0629<br>&amp;#8211\u061b \u0623\u0633\u0644\u0627\u0643 \u0623\u0644\u0648\u0645\u0646\u064a\u0648\u0645 \u0642\u0627\u0628\u0644\u0629 \u0644\u0644\u0631\u0628\u0637<\/td><td>&amp;#8211\u061b \u062d\u0632\u0645 BGA<br>&amp;#8211\u061b \u0645\u0643\u0648\u0646\u0627\u062a \u062f\u0642\u064a\u0642\u0629 \u0627\u0644\u0631\u062a\u0628\u0629 (0.5 \u0645\u0645)<br>&amp;#8211\u061b \u0627\u0644\u0645\u0648\u0635\u0644\u0627\u062a<\/td><td>12 \u0634\u0647\u0631\u0627\u064b<\/td><td>IPC-4552<\/td><\/tr><tr><td>OSP (\u0645\u0627\u062f\u0629 \u062d\u0627\u0641\u0638\u0629 \u0644\u0642\u0627\u0628\u0644\u064a\u0629 \u0627\u0644\u0644\u062d\u0627\u0645 \u0627\u0644\u0639\u0636\u0648\u064a\u0629)<\/td><td>0.2-0.5 \u0645\u064a\u0643\u0631\u0648\u0645\u062a\u0631<\/td><td>8-20\u03bcin<\/td><td>&amp;#8211\u061b \u0641\u0639\u0627\u0644\u0629 \u0645\u0646 \u062d\u064a\u062b \u0627\u0644\u062a\u0643\u0644\u0641\u0629<br>&amp;#8211\u061b \u0645\u062a\u0648\u0627\u0641\u0642 \u0645\u0639 \u062e\u0627\u0644\u064a \u0645\u0646 \u0627\u0644\u0631\u0635\u0627\u0635<br>&amp;#8211\u061b \u0639\u0645\u0644\u064a\u0629 \u0628\u0633\u064a\u0637\u0629<\/td><td>&amp;#8211\u061b \u0627\u0644\u0625\u0644\u0643\u062a\u0631\u0648\u0646\u064a\u0627\u062a \u0627\u0644\u0627\u0633\u062a\u0647\u0644\u0627\u0643\u064a\u0629<br>&amp;#8211\u061b \u0639\u0627\u0645 <a href=\"https:\/\/topfastpcba.com\/wp-admin\/post.php?post=1173&amp;action=edit\">\u062a\u062c\u0645\u064a\u0639 SMT<\/a><br>&amp;#8211\u061b \u0627\u0644\u0625\u0646\u062a\u0627\u062c \u0628\u0643\u0645\u064a\u0627\u062a \u0643\u0628\u064a\u0631\u0629<\/td><td>6 \u0623\u0634\u0647\u0631<\/td><td>IPC-4555<\/td><\/tr><tr><td>\u0635\u0641\u064a\u062d \u0627\u0644\u063a\u0645\u0631<\/td><td>0.8-1.2\u03bcm<\/td><td>30-50\u03bcin<\/td><td>&amp;#8211\u061b \u0642\u0627\u0628\u0644\u064a\u0629 \u0644\u062d\u0627\u0645 \u0645\u0645\u062a\u0627\u0632\u0629<br>&amp;#8211\u061b \u0633\u0637\u062d \u0645\u0633\u062a\u0648\u064d<br>&amp;#8211\u061b \u0645\u0646\u0627\u0633\u0628\u0629 \u0644\u0644\u062a\u0631\u0643\u064a\u0628 \u0628\u0627\u0644\u0636\u063a\u0637<\/td><td>&amp;#8211\u061b \u0625\u0644\u0643\u062a\u0631\u0648\u0646\u064a\u0627\u062a \u0627\u0644\u0633\u064a\u0627\u0631\u0627\u062a<br>&amp;#8211\u061b \u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u0645\u0648\u062b\u0648\u0642\u064a\u0629<br>&amp;#8211\u061b \u062f\u0648\u0627\u0626\u0631 \u0627\u0644\u062a\u0631\u062f\u062f\u0627\u062a \u0627\u0644\u0644\u0627\u0633\u0644\u0643\u064a\u0629\/\u0627\u0644\u0645\u0648\u062c\u0627\u062a \u0627\u0644\u062f\u0642\u064a\u0642\u0629<\/td><td>9 \u0623\u0634\u0647\u0631<\/td><td>IPC-4554<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Quality_Verification_System\"><\/span>\u0646\u0638\u0627\u0645 \u0627\u0644\u062a\u062d\u0642\u0642 \u0645\u0646 \u0627\u0644\u062c\u0648\u062f\u0629<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u0627\u0644\u0627\u062e\u062a\u0628\u0627\u0631\u0627\u062a \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0627\u062e\u062a\u0628\u0627\u0631 \u0627\u0644\u0645\u062c\u0633 \u0627\u0644\u0637\u0627\u0626\u0631:<br>\u2713 Test speed: 200 points\/sec<br>\u2713 Minimum pitch: 4 mil<\/li>\n\n\n\n<li>\u0627\u062e\u062a\u0628\u0627\u0631 \u0627\u0644\u0645\u0639\u0627\u0648\u0642\u0629:<br>\u2713 TDR resolution: 5ps<br>\u2713 Test points: \u22655\/impedance line<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u0627\u0644\u0641\u062d\u0635 \u0627\u0644\u0628\u0635\u0631\u064a<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0627\u0644\u0647\u064a\u0626\u0629 \u0627\u0644\u0639\u0631\u0628\u064a\u0629 \u0644\u0644\u062a\u0635\u0646\u064a\u0639:<br>\u2713 Resolution: 10\u03bcm<br>\u2713 Defect detection rate: \u226599.7%<\/li>\n\n\n\n<li>\u062a\u062d\u0644\u064a\u0644 \u0627\u0644\u0645\u0642\u0627\u0637\u0639 \u0627\u0644\u0645\u062c\u0647\u0631\u064a\u0629:<br>\u2713 Sampling frequency: 1\/100m\u00b2<br>\u2713 Inspection items: 20+ parameters<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Special_Process_Controls\"><\/span>\u0636\u0648\u0627\u0628\u0637 \u0627\u0644\u0639\u0645\u0644\u064a\u0627\u062a \u0627\u0644\u062e\u0627\u0635\u0629<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u0627\u0644\u062a\u062d\u0643\u0645 \u0641\u064a \u0627\u0644\u0645\u0639\u0627\u0648\u0642\u0629<\/strong><\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Microstrip: 50\u03a9\u00b15%<\/li>\n\n\n\n<li>Stripline: 100\u03a9\u00b17%<\/li>\n\n\n\n<li>Differential pairs: \u00b18%<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u0627\u0644\u0625\u062f\u0627\u0631\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u064a\u0629<\/strong><\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0627\u0644\u0634\u0642\u0648\u0642 \u0627\u0644\u062d\u0631\u0627\u0631\u064a\u0629: \u0642\u0637\u0631 0.3 \u0645\u0645<\/li>\n\n\n\n<li>Distribution density: 25\/cm\u00b2<\/li>\n\n\n\n<li>\u062e\u064a\u0627\u0631 \u0633\u064f\u0645\u0643 \u0627\u0644\u0646\u062d\u0627\u0633: 2 \u0623\u0648\u0646\u0635\u0629<\/li>\n<\/ul>\n\n\n\n<p><strong>\u0645\u0644\u0627\u062d\u0638\u0629: <\/strong>\u062a\u062a\u0648\u0627\u0641\u0642 \u0647\u0630\u0647 \u0627\u0644\u0639\u0645\u0644\u064a\u0629 \u0645\u0639 \u0645\u0639\u0627\u064a\u064a\u0631 IPC-6012 \u0645\u0646 \u0627\u0644\u0641\u0626\u0629 3\u060c \u0648\u0647\u064a \u0645\u0646\u0627\u0633\u0628\u0629 \u0644\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u0645\u0648\u062b\u0648\u0642\u064a\u0629 \u0645\u062b\u0644 \u0625\u0644\u0643\u062a\u0631\u0648\u0646\u064a\u0627\u062a \u0627\u0644\u0633\u064a\u0627\u0631\u0627\u062a \u0648\u0623\u062c\u0647\u0632\u0629 \u0627\u0644\u062a\u062d\u0643\u0645 \u0627\u0644\u0635\u0646\u0627\u0639\u064a\u0629. \u064a\u0645\u0643\u0646 \u0623\u0646 \u064a\u062d\u0642\u0642 \u0627\u0644\u062a\u0635\u0646\u064a\u0639 \u0627\u0644\u062d\u062f\u064a\u062b \u0644\u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631 \u0631\u0628\u0627\u0639\u064a \u0627\u0644\u0637\u0628\u0642\u0627\u062a 3 \u0645\u064a\u0644\/\u0645\u0633\u0627\u062d\u0629 \u0645\u0639 \u062a\u0642\u0646\u064a\u0629 \u0627\u0644\u062d\u0641\u0631 \u0628\u0627\u0644\u0644\u064a\u0632\u0631\u060c \u0645\u0645\u0627 \u064a\u0648\u0641\u0631 \u0643\u062b\u0627\u0641\u0629 \u062a\u0648\u062c\u064a\u0647 \u0634\u0628\u064a\u0647\u0629 \u0628\u0645\u0628\u0627\u062f\u0631\u0629 HDI.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"750\" height=\"750\" src=\"https:\/\/topfastpcba.com\/wp-content\/uploads\/2025\/04\/Rigid-PCB38.jpg\" alt=\"4 \u0637\u0628\u0642\u0627\u062a \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631\" class=\"wp-image-6547\" title=\"4 \u0637\u0628\u0642\u0627\u062a \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631\" srcset=\"https:\/\/topfastpcba.com\/wp-content\/uploads\/2025\/04\/Rigid-PCB38.jpg 750w, https:\/\/topfastpcba.com\/wp-content\/uploads\/2025\/04\/Rigid-PCB38-300x300.jpg 300w, https:\/\/topfastpcba.com\/wp-content\/uploads\/2025\/04\/Rigid-PCB38-150x150.jpg 150w, https:\/\/topfastpcba.com\/wp-content\/uploads\/2025\/04\/Rigid-PCB38-400x400.jpg 400w\" sizes=\"auto, (max-width: 750px) 100vw, 750px\" \/><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Design_and_Advantages_Analysis_of_4-Layer_PCB_Stackup_Structure\"><\/span>\u062a\u0635\u0645\u064a\u0645 \u0648\u062a\u062d\u0644\u064a\u0644 \u0645\u0632\u0627\u064a\u0627 \u0647\u064a\u0643\u0644 \u062a\u0643\u062f\u064a\u0633 \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631 \u0631\u0628\u0627\u0639\u064a \u0627\u0644\u0637\u0628\u0642\u0627\u062a<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Basic_Structure_and_Layer_Configuration\"><\/span><strong>\u0627\u0644\u0647\u064a\u0643\u0644 \u0627\u0644\u0623\u0633\u0627\u0633\u064a \u0648\u062a\u0643\u0648\u064a\u0646 \u0627\u0644\u0637\u0628\u0642\u0629 \u0627\u0644\u0623\u0633\u0627\u0633\u064a\u0629<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u062a\u0639\u062a\u0645\u062f \u0644\u0648\u062d\u0629 \u0627\u0644\u062f\u0648\u0627\u0626\u0631 \u0627\u0644\u0645\u0637\u0628\u0648\u0639\u0629 \u0631\u0628\u0627\u0639\u064a\u0629 \u0627\u0644\u0637\u0628\u0642\u0627\u062a (PCB) \u0639\u0644\u0649 \u0647\u064a\u0643\u0644 \u0645\u0631\u0643\u0628 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0637\u0628\u0642\u0627\u062a\u060c \u064a\u062a\u0643\u0648\u0646 \u0628\u0634\u0643\u0644 \u0623\u0633\u0627\u0633\u064a \u0645\u0646 \u0627\u0644\u0637\u0628\u0642\u0627\u062a \u0627\u0644\u0648\u0638\u064a\u0641\u064a\u0629 \u0627\u0644\u062a\u0627\u0644\u064a\u0629:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u0637\u0628\u0642\u0627\u062a \u0627\u0644\u0625\u0634\u0627\u0631\u0629<\/strong>: \u0628\u0645\u0627 \u0641\u064a \u0630\u0644\u0643 <strong>\u0627\u0644\u0637\u0628\u0642\u0629 \u0627\u0644\u0639\u0644\u064a\u0627<\/strong> \u0648 <strong>\u0627\u0644\u0637\u0628\u0642\u0629 \u0627\u0644\u0633\u0641\u0644\u064a\u0629<\/strong>\u0645\u0633\u0624\u0648\u0644\u0629 \u0639\u0646 \u062a\u0648\u062c\u064a\u0647 \u0645\u0633\u0627\u0631\u0627\u062a \u0627\u0644\u0625\u0634\u0627\u0631\u0627\u062a \u0627\u0644\u0645\u062e\u062a\u0644\u0641\u0629.<\/li>\n\n\n\n<li><strong>\u0637\u0628\u0642\u0629 \u0627\u0644\u0637\u0627\u0642\u0629 (\u0645\u0633\u062a\u0648\u0649 \u0627\u0644\u0637\u0627\u0642\u0629)<\/strong>: \u064a\u0648\u0641\u0631 \u062a\u0648\u0632\u064a\u0639 \u0637\u0627\u0642\u0629 \u0645\u0633\u062a\u0642\u0631 \u0644\u0645\u0643\u0648\u0646\u0627\u062a \u0627\u0644\u062f\u0627\u0626\u0631\u0629 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629.<\/li>\n\n\n\n<li><strong>\u0627\u0644\u0637\u0628\u0642\u0629 \u0627\u0644\u0623\u0631\u0636\u064a\u0629 (\u0627\u0644\u0645\u0633\u062a\u0648\u0649 \u0627\u0644\u0623\u0631\u0636\u064a)<\/strong>: \u064a\u062d\u062f\u062f \u0627\u0644\u0625\u0645\u0643\u0627\u0646\u0627\u062a \u0627\u0644\u0645\u0631\u062c\u0639\u064a\u0629 \u0644\u0644\u0646\u0638\u0627\u0645 \u0648\u064a\u0648\u0641\u0631 \u062d\u0645\u0627\u064a\u0629 \u0643\u0647\u0631\u0648\u0645\u063a\u0646\u0627\u0637\u064a\u0633\u064a\u0629.<br>\u064a\u062a\u0645 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u062a\u0643\u0648\u064a\u0646\u064a\u0646 \u0645\u0643\u062f\u0633\u064a\u0646 \u0634\u0627\u0626\u0639\u064a\u0646 \u0639\u0644\u0649 \u0646\u0637\u0627\u0642 \u0648\u0627\u0633\u0639:<br><strong>\u0627\u0644\u062e\u064a\u0627\u0631 (\u0623)<\/strong>: <strong>Top Layer \u2192 Power Layer \u2192 Ground Layer \u2192 Bottom Layer<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u0627\u0644\u0645\u064a\u0632\u0627\u062a<\/strong>: \u0627\u0642\u062a\u0631\u0627\u0646 \u0645\u062d\u0643\u0645 \u0628\u064a\u0646 \u0645\u0633\u062a\u0648\u064a\u0627\u062a \u0627\u0644\u0637\u0627\u0642\u0629 \u0648\u0627\u0644\u0645\u0633\u062a\u0648\u064a\u0627\u062a \u0627\u0644\u0623\u0631\u0636\u064a\u0629\u060c \u0645\u0645\u0627 \u064a\u0634\u0643\u0644 \u0633\u0639\u0629 \u0645\u0633\u062a\u0648\u064a\u0629 \u0641\u0639\u0627\u0644\u0629\u060c \u0648\u0645\u0646\u0627\u0633\u0628\u0629 \u0628\u0634\u0643\u0644 \u062e\u0627\u0635 \u0644\u062a\u0635\u0645\u064a\u0645 \u0627\u0644\u062f\u0648\u0627\u0626\u0631 \u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u062a\u0631\u062f\u062f.<br><strong>\u0627\u0644\u062e\u064a\u0627\u0631 (\u0628)<\/strong>: <strong>Top Layer \u2192 Ground Layer \u2192 Power Layer \u2192 Bottom Layer<\/strong><\/li>\n\n\n\n<li><strong>\u0627\u0644\u0645\u064a\u0632\u0627\u062a<\/strong>: \u062a\u0648\u0641\u0631 \u0627\u0644\u0637\u0628\u0642\u0629 \u0627\u0644\u0623\u0631\u0636\u064a\u0629 \u062a\u062f\u0631\u064a\u0639\u064b\u0627 \u0648\u062b\u064a\u0642\u064b\u0627 \u0644\u0637\u0628\u0642\u0627\u062a \u0627\u0644\u0625\u0634\u0627\u0631\u0629\u060c \u0645\u0645\u0627 \u064a\u0642\u0644\u0644 \u0628\u0634\u0643\u0644 \u0643\u0628\u064a\u0631 \u0645\u0646 \u0627\u0644\u062d\u062f\u064a\u062b \u0627\u0644\u0645\u062a\u0628\u0627\u062f\u0644 \u0628\u064a\u0646 \u0627\u0644\u0625\u0634\u0627\u0631\u0627\u062a \u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u0633\u0631\u0639\u0629.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Technical_Advantages_in_Detail\"><\/span><strong>\u0627\u0644\u0645\u0632\u0627\u064a\u0627 \u0627\u0644\u062a\u0642\u0646\u064a\u0629 \u0628\u0627\u0644\u062a\u0641\u0635\u064a\u0644<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"1_Optimized_Electrical_Performance\"><\/span><strong>1. \u0627\u0644\u0623\u062f\u0627\u0621 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a \u0627\u0644\u0623\u0645\u062b\u0644<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p><strong>(1) \u0636\u0645\u0627\u0646 \u0633\u0644\u0627\u0645\u0629 \u0627\u0644\u0625\u0634\u0627\u0631\u0629<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u062a\u0642\u0644\u0644 \u0645\u0633\u0627\u0631\u0627\u062a \u0627\u0644\u0625\u0631\u062c\u0627\u0639 \u0645\u0646\u062e\u0641\u0636\u0629 \u0627\u0644\u0645\u0639\u0627\u0648\u0642\u0629 \u0639\u0628\u0631 \u0645\u0633\u062a\u0648\u064a\u0627\u062a \u0627\u0644\u0637\u0627\u0642\u0629 \u0627\u0644\u0623\u0631\u0636\u064a\u0629 \u0645\u0646 \u0645\u062d\u0627\u062b\u0629 \u062d\u0644\u0642\u0629 \u0627\u0644\u0625\u0634\u0627\u0631\u0629.<\/li>\n\n\n\n<li>Planar capacitance effect (typically ~100pF\/cm\u00b2) provides power decoupling and suppresses power noise.<\/li>\n\n\n\n<li>Strict impedance control (within \u00b110% tolerance) minimizes signal reflections.<br><strong>(2) \u0627\u0644\u062a\u0648\u0627\u0641\u0642 \u0627\u0644\u0643\u0647\u0631\u0648\u0645\u063a\u0646\u0627\u0637\u064a\u0633\u064a \u0627\u0644\u0645\u0639\u0632\u0632 (EMC)<\/strong><\/li>\n\n\n\n<li>\u064a\u064f\u0634\u0643\u0651\u0644 \u0642\u0641\u0635 \u0641\u0627\u0631\u0627\u062f\u0627\u064a \u0643\u0627\u0645\u0644\u0627\u064b\u060c \u0645\u0645\u0627 \u064a\u0642\u0644\u0644 \u0645\u0646 \u0627\u0644\u062a\u062f\u0627\u062e\u0644 \u0627\u0644\u0645\u0634\u0639 \u0628\u0646\u0633\u0628\u0629 \u062a\u0635\u0644 \u0625\u0644\u0649 <strong>20 \u062f\u064a\u0633\u064a\u0628\u0644<\/strong>.<\/li>\n\n\n\n<li>\u064a\u0639\u0645\u0644 \u0627\u0644\u062a\u0643\u062f\u064a\u0633 \u0627\u0644\u0645\u062a\u0645\u0627\u062b\u0644 \u0639\u0644\u0649 \u0645\u0648\u0627\u0632\u0646\u0629 \u062a\u0648\u0632\u064a\u0639 \u0627\u0644\u0645\u062c\u0627\u0644 \u0627\u0644\u0643\u0647\u0631\u0648\u0645\u063a\u0646\u0627\u0637\u064a\u0633\u064a\u060c \u0645\u0645\u0627 \u064a\u0642\u0644\u0644 \u0645\u0646 \u0636\u0648\u0636\u0627\u0621 \u0627\u0644\u0648\u0636\u0639 \u0627\u0644\u0645\u0634\u062a\u0631\u0643.<\/li>\n\n\n\n<li>\u064a\u0642\u0644\u0644 \u0641\u0635\u0644 \u0637\u0628\u0642\u0627\u062a \u0627\u0644\u0625\u0634\u0627\u0631\u0629 \u0648\u0627\u0644\u0637\u0627\u0642\u0629 \u0645\u0646 \u0627\u0644\u062d\u062f\u064a\u062b \u0627\u0644\u0645\u062a\u0628\u0627\u062f\u0644 \u0645\u0646 \u062e\u0644\u0627\u0644 <strong>30-40%<\/strong>.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"2_Improved_Design_Flexibility\"><\/span><strong>2.\u062a\u062d\u0633\u064a\u0646 \u0645\u0631\u0648\u0646\u0629 \u0627\u0644\u062a\u0635\u0645\u064a\u0645<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u0632\u064a\u0627\u062f\u0629 \u0628\u0646\u0633\u0628\u0629 200% \u0641\u0623\u0643\u062b\u0631<\/strong> \u0641\u064a \u0642\u0646\u0648\u0627\u062a \u0627\u0644\u062a\u0648\u062c\u064a\u0647 \u0645\u0642\u0627\u0631\u0646\u0629 \u0628\u0627\u0644\u0644\u0648\u062d\u0627\u062a \u0630\u0627\u062a \u0627\u0644\u0637\u0628\u0642\u062a\u064a\u0646.<\/li>\n\n\n\n<li>\u064a\u062f\u0639\u0645 <strong>\u0648\u0635\u0644\u0629 \u0628\u064a\u0646\u064a\u0629 \u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u0643\u062b\u0627\u0641\u0629 (HDI)<\/strong> \u062a\u0635\u0627\u0645\u064a\u0645 \u0630\u0627\u062a \u0623\u062b\u0631\/\u0645\u0633\u0627\u062d\u0629 \u0648\u0635\u0648\u0644\u0627\u064b \u0625\u0644\u0649 <strong>3\/3 \u0645\u0644\u0644\u064a\u0644\u062a\u0631<\/strong>.<\/li>\n\n\n\n<li>\u064a\u0645\u0643\u0646 \u062a\u0648\u062c\u064a\u0647 \u0627\u0644\u0625\u0634\u0627\u0631\u0627\u062a \u0627\u0644\u062d\u0633\u0627\u0633\u0629 \u0639\u0644\u0649 \u0627\u0644\u0637\u0628\u0642\u0627\u062a \u0627\u0644\u062f\u0627\u062e\u0644\u064a\u0629 \u0644\u0644\u062d\u0645\u0627\u064a\u0629 \u0627\u0644\u0643\u0647\u0631\u0648\u0645\u063a\u0646\u0627\u0637\u064a\u0633\u064a\u0629 \u0627\u0644\u0643\u0627\u0645\u0646\u0629.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"3_Enhanced_Mechanical_Reliability\"><\/span><strong>3.\u062a\u0639\u0632\u064a\u0632 \u0627\u0644\u0645\u0648\u062b\u0648\u0642\u064a\u0629 \u0627\u0644\u0645\u064a\u0643\u0627\u0646\u064a\u0643\u064a\u0629<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u0627\u0644\u0631\u0628\u0637 \u0628\u064a\u0646 \u0627\u0644\u0637\u0628\u0642\u0627\u062a \u0627\u0644\u0628\u064a\u0646\u064a\u0629 FR-4<\/strong> \u062a\u0648\u0641\u0631 \u0642\u0648\u0629 \u0645\u064a\u0643\u0627\u0646\u064a\u0643\u064a\u0629 \u0645\u0645\u062a\u0627\u0632\u0629.<\/li>\n\n\n\n<li><strong>\u0645\u0637\u0627\u0628\u0642\u0629 CTE (\u0645\u0639\u0627\u0645\u0644 \u0627\u0644\u062a\u0645\u062f\u062f \u0627\u0644\u062d\u0631\u0627\u0631\u064a)<\/strong> \u064a\u0642\u0644\u0644 \u0627\u0644\u062a\u0635\u0645\u064a\u0645 \u0645\u0646 \u0627\u0644\u0625\u062c\u0647\u0627\u062f \u0627\u0644\u062d\u0631\u0627\u0631\u064a.<\/li>\n\n\n\n<li><strong>\u062a\u062d\u0633\u0646 \u0628\u0646\u0633\u0628\u0629 50%+%<\/strong> \u0641\u064a \u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u0627\u0646\u062d\u0646\u0627\u0621 \u0645\u0642\u0627\u0631\u0646\u0629 \u0628\u0627\u0644\u0647\u064a\u0627\u0643\u0644 \u0630\u0627\u062a \u0627\u0644\u0637\u0628\u0642\u062a\u064a\u0646.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Application_Recommendations\"><\/span><strong>\u062a\u0648\u0635\u064a\u0627\u062a \u0627\u0644\u062a\u0637\u0628\u064a\u0642<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u0627\u0639\u062a\u0628\u0627\u0631\u0627\u062a \u0627\u0644\u062a\u0635\u0645\u064a\u0645 \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u062f\u0648\u0627\u0626\u0631 \u0631\u0642\u0645\u064a\u0629 \u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u0633\u0631\u0639\u0629<\/strong> \u2192 Prefer <strong>\u0627\u0644\u062e\u064a\u0627\u0631 (\u0623)<\/strong>.<\/li>\n\n\n\n<li><strong>\u0623\u0646\u0638\u0645\u0629 \u0627\u0644\u0625\u0634\u0627\u0631\u0627\u062a \u0627\u0644\u0645\u062e\u062a\u0644\u0637\u0629<\/strong> \u2192 Recommend <strong>\u0627\u0644\u062e\u064a\u0627\u0631 (\u0628)<\/strong>.<\/li>\n\n\n\n<li><strong>\u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0630\u0627\u062a \u0627\u0644\u0623\u0647\u0645\u064a\u0629 \u0627\u0644\u062d\u0631\u062c\u0629 \u0644\u0633\u0644\u0627\u0645\u0629 \u0627\u0644\u0637\u0627\u0642\u0629<\/strong> \u2192 Ensure <strong>plane spacing \u2264 0.2mm<\/strong>.<\/li>\n\n\n\n<li><strong>\u0627\u0644\u0625\u0634\u0627\u0631\u0627\u062a \u0627\u0644\u062d\u0631\u062c\u0629<\/strong> \u2192 Use <strong>\u062a\u0648\u062c\u064a\u0647 \u0627\u0644\u062e\u0637 \u0627\u0644\u0634\u0631\u064a\u0637\u064a<\/strong> \u0644\u0644\u062d\u0635\u0648\u0644 \u0639\u0644\u0649 \u0645\u0646\u0627\u0639\u0629 \u0623\u0641\u0636\u0644 \u0636\u062f \u0627\u0644\u0636\u0648\u0636\u0627\u0621.<br><strong>\u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0627\u0644\u0646\u0645\u0648\u0630\u062c\u064a\u0629<\/strong>:<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u0645\u0639\u062f\u0627\u062a \u0627\u0644\u0627\u062a\u0635\u0627\u0644\u0627\u062a<\/strong> (\u0627\u0644\u0645\u062d\u0637\u0627\u062a \u0627\u0644\u0642\u0627\u0639\u062f\u064a\u0629 \u0648\u0623\u062c\u0647\u0632\u0629 \u0627\u0644\u062a\u0648\u062c\u064a\u0647 5G)<\/li>\n\n\n\n<li><strong>\u0623\u0646\u0638\u0645\u0629 \u0627\u0644\u062a\u062d\u0643\u0645 \u0627\u0644\u0635\u0646\u0627\u0639\u064a<\/strong><\/li>\n\n\n\n<li><strong>\u0625\u0644\u0643\u062a\u0631\u0648\u0646\u064a\u0627\u062a \u0627\u0644\u0633\u064a\u0627\u0631\u0627\u062a<\/strong><\/li>\n\n\n\n<li><strong>\u0627\u0644\u0625\u0644\u0643\u062a\u0631\u0648\u0646\u064a\u0627\u062a \u0627\u0644\u0627\u0633\u062a\u0647\u0644\u0627\u0643\u064a\u0629 \u0627\u0644\u0631\u0627\u0642\u064a\u0629<\/strong><\/li>\n<\/ul>\n\n\n\n<p><strong>\u0645\u0644\u0627\u062d\u0638\u0629<\/strong>: \u064a\u062c\u0628 \u0623\u0646 \u062a\u062a\u0636\u0645\u0646 \u0627\u0644\u062a\u0635\u0627\u0645\u064a\u0645 \u0627\u0644\u0641\u0639\u0644\u064a\u0629 <strong>\u0645\u0637\u0627\u0628\u0642\u0629 \u0627\u0644\u0645\u0639\u0627\u0648\u0642\u0629 \u0648\u062a\u062d\u0633\u064a\u0646 \u0633\u064f\u0645\u0643 \u0627\u0644\u062a\u0643\u062f\u064a\u0633 \u0648\u0627\u0644\u0645\u0642\u0627\u0648\u0645\u0629<\/strong>\u060c \u0645\u0639 <strong>\u0623\u062f\u0648\u0627\u062a \u0645\u062d\u0627\u0643\u0627\u0629 SI\/PI<\/strong> \u0645\u0648\u0635\u0649 \u0628\u0647 \u0644\u0644\u062a\u062d\u0642\u0642 \u0627\u0644\u0645\u0633\u0628\u0642.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"750\" height=\"750\" src=\"https:\/\/topfastpcba.com\/wp-content\/uploads\/2025\/04\/Rigid-PCB24.jpg\" alt=\"4 \u0637\u0628\u0642\u0627\u062a \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631\" class=\"wp-image-6548\" title=\"4 \u0637\u0628\u0642\u0627\u062a \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631\" srcset=\"https:\/\/topfastpcba.com\/wp-content\/uploads\/2025\/04\/Rigid-PCB24.jpg 750w, https:\/\/topfastpcba.com\/wp-content\/uploads\/2025\/04\/Rigid-PCB24-300x300.jpg 300w, https:\/\/topfastpcba.com\/wp-content\/uploads\/2025\/04\/Rigid-PCB24-150x150.jpg 150w, https:\/\/topfastpcba.com\/wp-content\/uploads\/2025\/04\/Rigid-PCB24-400x400.jpg 400w\" sizes=\"auto, (max-width: 750px) 100vw, 750px\" \/><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Manufacturing_Process_Requirements_for_4_Layer_PCB_Stackup_Structure\"><\/span>\u0645\u062a\u0637\u0644\u0628\u0627\u062a \u0639\u0645\u0644\u064a\u0629 \u0627\u0644\u062a\u0635\u0646\u064a\u0639 \u0644\u0647\u064a\u0643\u0644 \u062a\u0643\u062f\u064a\u0633 \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631 \u0627\u0644\u0645\u0643\u0648\u0646 \u0645\u0646 4 \u0637\u0628\u0642\u0627\u062a<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"1_Critical_Lamination_Process_Technologies\"><\/span><strong>1. \u062a\u0642\u0646\u064a\u0627\u062a \u0639\u0645\u0644\u064a\u0629 \u0627\u0644\u062a\u0635\u0641\u064a\u062d \u0627\u0644\u062d\u0631\u062c\u0629<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p><strong>(1) \u0627\u0644\u062a\u062d\u0643\u0645 \u0641\u064a \u0645\u0639\u0644\u0645\u0627\u062a \u0627\u0644\u0639\u0645\u0644\u064a\u0629<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u0646\u0637\u0627\u0642 \u062f\u0631\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629<\/strong>: 180-200\u00b0C (material-dependent)<\/li>\n\n\n\n<li><strong>\u0645\u062a\u0637\u0644\u0628\u0627\u062a \u0627\u0644\u0636\u063a\u0637<\/strong>: 300-500 \u0631\u0637\u0644 \u0644\u0643\u0644 \u0628\u0648\u0635\u0629 \u0645\u0631\u0628\u0639\u0629 \u0641\u064a \u0627\u0644\u0628\u0648\u0635\u0629 \u0627\u0644\u0645\u0631\u0628\u0639\u0629<\/li>\n\n\n\n<li><strong>\u0648\u0642\u062a \u0627\u0644\u0645\u0639\u0627\u0644\u062c\u0629<\/strong>:: 90-120 \u062f\u0642\u064a\u0642\u0629<\/li>\n<\/ul>\n\n\n\n<p><strong>(2) \u0646\u0642\u0627\u0637 \u0645\u0631\u0627\u0642\u0628\u0629 \u0627\u0644\u062c\u0648\u062f\u0629<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u062f\u0642\u0629 \u0627\u0644\u0645\u062d\u0627\u0630\u0627\u0629 \u0645\u0646 \u0637\u0628\u0642\u0629 \u0625\u0644\u0649 \u0637\u0628\u0642\u0629<\/strong>: \u226450\u03bcm<\/li>\n\n\n\n<li><strong>\u0642\u0648\u0629 \u0627\u0644\u062a\u0631\u0627\u0628\u0637<\/strong>: \u22651.2 N\/mm\u00b2<\/li>\n\n\n\n<li><strong>\u0645\u0639\u062f\u0644 \u0627\u0644\u0641\u0631\u0627\u063a<\/strong>:: &lt;1\u066a (\u0641\u062d\u0635 \u0628\u0627\u0644\u0623\u0634\u0639\u0629 \u0627\u0644\u0633\u064a\u0646\u064a\u0629)<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"2_Precision_Drilling_Plating_Process\"><\/span><strong>2.\u0627\u0644\u062d\u0641\u0631 \u0627\u0644\u062f\u0642\u064a\u0642 \u0648\u061b \u0639\u0645\u0644\u064a\u0629 \u0627\u0644\u0637\u0644\u0627\u0621<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p><strong>(1) \u0645\u062a\u0637\u0644\u0628\u0627\u062a \u0627\u0644\u062d\u0641\u0631 (1)<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u062f\u0642\u0629 \u062a\u062d\u062f\u064a\u062f \u0627\u0644\u0645\u0648\u0627\u0642\u0639<\/strong>: \u00b125\u03bcm<\/li>\n\n\n\n<li><strong>\u0627\u0644\u062a\u0641\u0627\u0648\u062a \u0627\u0644\u0645\u0633\u0645\u0648\u062d \u0628\u0647 \u0644\u0642\u0637\u0631 \u0627\u0644\u0641\u062a\u062d\u0629<\/strong>: \u00b150\u03bcm<\/li>\n\n\n\n<li><strong>\u0627\u0644\u062d\u062f \u0627\u0644\u0623\u062f\u0646\u0649 \u0644\u062d\u062c\u0645 \u0627\u0644\u0641\u062a\u062d\u0629<\/strong>: 0.15 \u0645\u0645 (\u062d\u0641\u0631 \u0645\u064a\u0643\u0627\u0646\u064a\u0643\u064a)<\/li>\n<\/ul>\n\n\n\n<p><strong>(2) \u0645\u0648\u0627\u0635\u0641\u0627\u062a \u0645\u0641\u062a\u0627\u062d \u0627\u0644\u0637\u0644\u0627\u0621 (2)<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u062a\u0648\u062d\u064a\u062f \u0633\u0645\u0627\u0643\u0629 \u0627\u0644\u0646\u062d\u0627\u0633<\/strong>: \u00b15\u03bcm<\/li>\n\n\n\n<li><strong>\u0633\u064f\u0645\u0643 \u0627\u0644\u0646\u062d\u0627\u0633 \u062c\u062f\u0627\u0631 \u0627\u0644\u062b\u0642\u0628 \u0627\u0644\u0646\u062d\u0627\u0633\u064a<\/strong>: \u226525\u03bcm<\/li>\n\n\n\n<li><strong>\u0627\u0644\u062a\u0635\u0627\u0642 \u0627\u0644\u0637\u0644\u0627\u0621<\/strong>: Passes thermal stress test (288\u00b0C, 10s)<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"3_Surface_Finishing_Processes\"><\/span><strong>3.\u0639\u0645\u0644\u064a\u0627\u062a \u0627\u0644\u062a\u0634\u0637\u064a\u0628 \u0627\u0644\u0633\u0637\u062d\u064a<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p><strong>(1) \u0645\u0639\u0627\u064a\u064a\u0631 \u0642\u0646\u0627\u0639 \u0627\u0644\u0644\u062d\u0627\u0645<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u0627\u0644\u062a\u062d\u0643\u0645 \u0641\u064a \u0627\u0644\u0633\u0645\u0627\u0643\u0629<\/strong>: 15-25\u03bcm<\/li>\n\n\n\n<li><strong>\u0627\u0644\u0642\u0631\u0627\u0631<\/strong>: \u226450\u03bcm line width<\/li>\n\n\n\n<li><strong>\u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629<\/strong>: \u064a\u062c\u062a\u0627\u0632 3 \u062f\u0648\u0631\u0627\u062a \u0625\u0639\u0627\u062f\u0629 \u0627\u0644\u062a\u062f\u0641\u0642<\/li>\n<\/ul>\n\n\n\n<p><strong>(2) \u0627\u0644\u0645\u062a\u0637\u0644\u0628\u0627\u062a \u0627\u0644\u0641\u0646\u064a\u0629 \u0644\u0644\u0634\u0627\u0634\u0629 \u0627\u0644\u062d\u0631\u064a\u0631\u064a\u0629<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u062f\u0642\u0629 \u0627\u0644\u0634\u062e\u0635\u064a\u0629<\/strong>: \u00b175\u03bcm<\/li>\n\n\n\n<li><strong>\u0627\u0644\u062d\u062f \u0627\u0644\u0623\u062f\u0646\u0649 \u0644\u0639\u0631\u0636 \u0627\u0644\u062e\u0637<\/strong>: 0.15 \u0645\u0645<\/li>\n\n\n\n<li><strong>\u0627\u0644\u0627\u0644\u062a\u0635\u0627\u0642<\/strong>: \u0644\u0627 \u064a\u0648\u062c\u062f \u062a\u0642\u0634\u064a\u0631 \u0641\u064a \u0627\u062e\u062a\u0628\u0627\u0631 \u0634\u0631\u064a\u0637 3M \u0627\u0644\u0644\u0627\u0635\u0642<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"4_Process_Validation_Testing\"><\/span><strong>4.\u0627\u0644\u062a\u062d\u0642\u0642 \u0645\u0646 \u0635\u062d\u0629 \u0627\u0644\u0639\u0645\u0644\u064a\u0629 \u0648\u0627\u0644\u0627\u062e\u062a\u0628\u0627\u0631<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p><strong>(1) \u0639\u0646\u0627\u0635\u0631 \u0627\u062e\u062a\u0628\u0627\u0631 \u0627\u0644\u0645\u0648\u062b\u0648\u0642\u064a\u0629<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u0627\u062e\u062a\u0628\u0627\u0631 \u0627\u0644\u062a\u062f\u0648\u064a\u0631 \u0627\u0644\u062d\u0631\u0627\u0631\u064a<\/strong>: -40\u00b0C to +125\u00b0C, 1000 cycles<\/li>\n\n\n\n<li><strong>\u0627\u062e\u062a\u0628\u0627\u0631 \u0627\u0644\u0631\u0637\u0648\u0628\u0629<\/strong>: 85\u00b0C\/85% RH, 1000 hours<\/li>\n\n\n\n<li><strong>\u0627\u062e\u062a\u0628\u0627\u0631 \u0627\u0644\u0627\u0647\u062a\u0632\u0627\u0632 \u0627\u0644\u0645\u064a\u0643\u0627\u0646\u064a\u0643\u064a<\/strong>:: 20G\u060c 3 \u0645\u062d\u0627\u0648\u0631 (2 \u0633\u0627\u0639\u0629 \u0644\u0643\u0644 \u0645\u062d\u0648\u0631)<\/li>\n<\/ul>\n\n\n\n<p><strong>(2) \u0627\u062e\u062a\u0628\u0627\u0631\u0627\u062a \u0627\u0644\u0623\u062f\u0627\u0621 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u0627\u062e\u062a\u0628\u0627\u0631 \u0627\u0644\u0645\u0639\u0627\u0648\u0642\u0629<\/strong>: \u00b110% tolerance<\/li>\n\n\n\n<li><strong>\u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u0639\u0632\u0644<\/strong>: \u2265100M\u03a9<\/li>\n\n\n\n<li><strong>\u0627\u062e\u062a\u0628\u0627\u0631 \u0627\u0644\u062c\u0647\u062f \u0627\u0644\u0639\u0627\u0644\u064a<\/strong>: 500 \u0641\u0648\u0644\u062a \u062a\u064a\u0627\u0631 \u0645\u0633\u062a\u0645\u0631\u060c 60 \u062b\u0627\u0646\u064a\u0629<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"5_Manufacturing_Process_Optimization\"><\/span><strong>5.\u062a\u062d\u0633\u064a\u0646 \u0639\u0645\u0644\u064a\u0629 \u0627\u0644\u062a\u0635\u0646\u064a\u0639<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p><strong>(1) \u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0627\u0644\u0645\u0648\u0627\u062f \u0627\u0644\u0645\u062a\u0642\u062f\u0645\u0629<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u0631\u0643\u0627\u0626\u0632 \u0645\u0646\u062e\u0641\u0636\u0629 \u0627\u0644\u062e\u0633\u0627\u0631\u0629<\/strong> (Dk\u22643.5, Df\u22640.005)<\/li>\n\n\n\n<li><strong>\u0645\u0648\u0627\u062f \u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u062c\u0627\u0630\u0628\u064a\u0629<\/strong> (Tg\u2265170\u00b0C)<\/li>\n\n\n\n<li><strong>\u0645\u0648\u0627\u062f \u0635\u062f\u064a\u0642\u0629 \u0644\u0644\u0628\u064a\u0626\u0629 \u062e\u0627\u0644\u064a\u0629 \u0645\u0646 \u0627\u0644\u0647\u0627\u0644\u0648\u062c\u064a\u0646<\/strong><\/li>\n<\/ul>\n\n\n\n<p><strong>(2) \u0623\u062d\u062f\u062b \u062a\u0642\u0646\u064a\u0627\u062a \u0627\u0644\u0645\u0639\u0627\u0644\u062c\u0629 \u0627\u0644\u0645\u062a\u0637\u0648\u0631\u0629<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u0627\u0644\u062d\u0641\u0631 \u0628\u0627\u0644\u0644\u064a\u0632\u0631<\/strong> (hole size \u22640.1mm)<\/li>\n\n\n\n<li><strong>\u0648\u0635\u0644\u0629 HDI \u0627\u0644\u0628\u064a\u0646\u064a\u0629 \u0644\u0623\u064a \u0637\u0628\u0642\u0629 \u0645\u0646 \u0637\u0628\u0642\u0627\u062a HDI<\/strong><\/li>\n\n\n\n<li><strong>\u0627\u0644\u0639\u0645\u0644\u064a\u0629 \u0634\u0628\u0647 \u0627\u0644\u0645\u0636\u0627\u0641\u0629 \u0627\u0644\u0645\u0639\u062f\u0644\u0629 (mSAP)<\/strong> \u0644\u0644\u0622\u062b\u0627\u0631 \u0627\u0644\u062f\u0642\u064a\u0642\u0629<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Application_Recommendations-2\"><\/span><strong>\u062a\u0648\u0635\u064a\u0627\u062a \u0627\u0644\u062a\u0637\u0628\u064a\u0642:<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u0627\u0644\u062f\u0648\u0627\u0626\u0631 \u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u062a\u0631\u062f\u062f<\/strong> \u2192 Use low-loss material lamination<\/li>\n\n\n\n<li><strong>\u062a\u0635\u0627\u0645\u064a\u0645 \u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u0643\u062b\u0627\u0641\u0629<\/strong> \u2192 Laser drilling + via filling plating<\/li>\n\n\n\n<li><strong>\u0625\u0644\u0643\u062a\u0631\u0648\u0646\u064a\u0627\u062a \u0627\u0644\u0633\u064a\u0627\u0631\u0627\u062a<\/strong> \u2192 Must comply with <strong>AEC-Q100<\/strong> \u0627\u0644\u0645\u0639\u0627\u064a\u064a\u0631<\/li>\n\n\n\n<li><strong>\u0639\u0633\u0643\u0631\u064a\/\u0641\u0636\u0627\u0626\u064a<\/strong> \u2192 Recommended <strong>\u0627\u0644\u062a\u0635\u0641\u064a\u062d \u0627\u0644\u062b\u0644\u0627\u062b\u064a<\/strong> \u0644\u062a\u0639\u0632\u064a\u0632 \u0627\u0644\u0645\u0648\u062b\u0648\u0642\u064a\u0629<br><strong>\u0645\u0644\u0627\u062d\u0638\u0629:<\/strong> \u064a\u062c\u0628 \u0623\u0646 \u064a\u062a\u0628\u0639 \u0627\u0644\u062a\u0635\u0646\u064a\u0639 <strong>IPC-6012<\/strong> \u0627\u0644\u0645\u0639\u0627\u064a\u064a\u0631\u060c \u0645\u0639 <strong>\u0646\u0642\u0627\u0637 \u0627\u0644\u062a\u062d\u0643\u0645 \u0641\u064a \u0627\u0644\u0639\u0645\u0644\u064a\u0627\u062a \u0627\u0644\u062d\u0631\u062c\u0629 (CPs)<\/strong> \u0644\u0645\u0631\u0627\u0642\u0628\u0629 \u0627\u0644\u0639\u0645\u0644\u064a\u0629 \u0628\u0627\u0644\u0643\u0627\u0645\u0644.<\/li>\n<\/ol>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"750\" height=\"750\" src=\"https:\/\/topfastpcba.com\/wp-content\/uploads\/2025\/04\/Rigid-PCB5.jpg\" alt=\"4 \u0637\u0628\u0642\u0627\u062a \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631\" class=\"wp-image-6550\" title=\"4 \u0637\u0628\u0642\u0627\u062a \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631\" srcset=\"https:\/\/topfastpcba.com\/wp-content\/uploads\/2025\/04\/Rigid-PCB5.jpg 750w, https:\/\/topfastpcba.com\/wp-content\/uploads\/2025\/04\/Rigid-PCB5-300x300.jpg 300w, https:\/\/topfastpcba.com\/wp-content\/uploads\/2025\/04\/Rigid-PCB5-150x150.jpg 150w, https:\/\/topfastpcba.com\/wp-content\/uploads\/2025\/04\/Rigid-PCB5-400x400.jpg 400w\" sizes=\"auto, (max-width: 750px) 100vw, 750px\" \/><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Optimization_Methods_for_4_Layer_PCB_Manufacturing_Process\"><\/span>\u0637\u0631\u0642 \u0627\u0644\u062a\u062d\u0633\u064a\u0646 \u0627\u0644\u0623\u0645\u062b\u0644 \u0644\u0639\u0645\u0644\u064a\u0629 \u062a\u0635\u0646\u064a\u0639 \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631 \u0631\u0628\u0627\u0639\u064a \u0627\u0644\u0637\u0628\u0642\u0627\u062a<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"1_Design_Optimization_Strategies\"><\/span>1. \u0627\u0633\u062a\u0631\u0627\u062a\u064a\u062c\u064a\u0627\u062a \u062a\u062d\u0633\u064a\u0646 \u0627\u0644\u062a\u0635\u0645\u064a\u0645<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p><strong>(1) \u062a\u062d\u0633\u064a\u0646 \u0647\u064a\u0643\u0644 \u0627\u0644\u0645\u0643\u062f\u0633 (1)<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0627\u0644\u0628\u0646\u064a\u0629 \u0627\u0644\u0645\u0648\u0635\u0649 \u0628\u0647\u0627 &#8220;S-G-P-S&amp;8221; \u0628\u0646\u064a\u0629 (\u0625\u0634\u0627\u0631\u0629-\u0623\u0631\u0636\u064a-\u0637\u0627\u0642\u0629-\u0625\u0634\u0627\u0631\u0629)<\/li>\n\n\n\n<li>\u0639\u0646\u0627\u0635\u0631 \u0627\u0644\u062a\u062d\u0643\u0645 \u0641\u064a \u0627\u0644\u0645\u0639\u0644\u0645\u0627\u062a \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629:<\/li>\n\n\n\n<li>Dielectric thickness tolerance \u00b110%<\/li>\n\n\n\n<li>Impedance matching error \u2264\u00b15%<\/li>\n\n\n\n<li>Layer-to-layer alignment deviation \u226450\u03bcm<\/li>\n<\/ul>\n\n\n\n<p><strong>(2) \u062a\u062d\u0633\u064a\u0646 \u062a\u0635\u0645\u064a\u0645 \u0627\u0644\u062a\u0648\u062c\u064a\u0647<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0645\u0639\u0627\u0644\u062c\u0629 \u0627\u0644\u0625\u0634\u0627\u0631\u0627\u062a \u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u0633\u0631\u0639\u0629:<\/li>\n\n\n\n<li>\u0627\u0644\u0623\u0648\u0644\u0648\u064a\u0629 \u0627\u0644\u0645\u0639\u0637\u0627\u0629 \u0644\u0644\u062a\u0648\u062c\u064a\u0647 \u0627\u0644\u0634\u0631\u064a\u0637\u064a \u0644\u0644\u0637\u0628\u0642\u0629 \u0627\u0644\u062f\u0627\u062e\u0644\u064a\u0629<\/li>\n\n\n\n<li>\u064a\u062a\u0628\u0639 \u0627\u0644\u062a\u0628\u0627\u0639\u062f \u0627\u0644\u0632\u0648\u062c\u064a \u0627\u0644\u062a\u0641\u0627\u0636\u0644\u064a \u0645\u0628\u062f\u0623 3W<\/li>\n\n\n\n<li>Critical signals implement length matching (\u00b150ps)<\/li>\n\n\n\n<li>\u062a\u0635\u0645\u064a\u0645 \u062a\u0643\u0627\u0645\u0644 \u0627\u0644\u0637\u0627\u0642\u0629:<\/li>\n\n\n\n<li>\u062a\u062c\u0632\u0626\u0629 \u0627\u0644\u0645\u0633\u062a\u0648\u0649 \u064a\u062a\u0628\u0639 \u0642\u0627\u0639\u062f\u0629 20H<\/li>\n\n\n\n<li>Decoupling capacitor density: 0.1\u03bcF\/cm\u00b2<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"2_Key_Production_Process_Controls\"><\/span>2.\u0636\u0648\u0627\u0628\u0637 \u0639\u0645\u0644\u064a\u0629 \u0627\u0644\u0625\u0646\u062a\u0627\u062c \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p><strong>(1) \u0645\u0639\u0627\u064a\u064a\u0631 \u0627\u062e\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0648\u0627\u062f<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u062a\u0631\u062f\u062f:<\/li>\n\n\n\n<li>\u0631\u0648\u062c\u0631\u0632 RO4003C (Dk=3.38\u060c Df=0.0027)<\/li>\n\n\n\n<li>Dielectric thickness tolerance \u00b15\u03bcm<\/li>\n\n\n\n<li>\u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0627\u0644\u0642\u064a\u0627\u0633\u064a\u0629:<\/li>\n\n\n\n<li>\u0645\u0627\u062f\u0629 FR-4 TG170<\/li>\n\n\n\n<li>Copper foil roughness Rz\u22643\u03bcm<\/li>\n<\/ul>\n\n\n\n<p><strong>(2) \u0636\u0648\u0627\u0628\u0637 \u0627\u0644\u0639\u0645\u0644\u064a\u0627\u062a \u0627\u0644\u062d\u0631\u062c\u0629<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0639\u0645\u0644\u064a\u0629 \u0627\u0644\u062a\u0635\u0641\u064a\u062d:<\/li>\n\n\n\n<li>Vacuum hot press molding (180\u2103\/400psi)<\/li>\n\n\n\n<li>Interlayer resin flow control \u00b15%<\/li>\n\n\n\n<li>\u062a\u0645\u0639\u062f\u0646 \u0627\u0644\u062b\u0642\u0628:<\/li>\n\n\n\n<li>Laser drilling taper \u22645\u00b0<\/li>\n\n\n\n<li>Hole copper thickness \u226525\u03bcm (CPK\u22651.33)<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"3_Cost_Optimization_Solutions\"><\/span>3.\u062d\u0644\u0648\u0644 \u062a\u062d\u0633\u064a\u0646 \u0627\u0644\u062a\u0643\u0644\u0641\u0629<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p><strong>(1) \u062a\u062d\u0633\u064a\u0646 \u0643\u0641\u0627\u0621\u0629 \u0627\u0644\u0625\u0646\u062a\u0627\u062c<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u062a\u0635\u0645\u064a\u0645 \u0627\u0644\u0644\u0648\u062d\u0629:<\/li>\n\n\n\n<li>Standard size 406mm\u00d7508mm utilization \u226585%<\/li>\n\n\n\n<li>\u062a\u0645 \u062a\u062d\u0633\u064a\u0646 \u0639\u0631\u0636 \u062d\u062f\u0648\u062f \u0627\u0644\u0645\u0639\u0627\u0644\u062c\u0629 \u0625\u0644\u0649 3 \u0645\u0645<\/li>\n\n\n\n<li>\u062a\u0628\u0633\u064a\u0637 \u0627\u0644\u0639\u0645\u0644\u064a\u0629:<\/li>\n\n\n\n<li>\u0627\u0639\u062a\u0645\u0627\u062f \u062a\u0642\u0646\u064a\u0629 \u0627\u0644\u062a\u0635\u0648\u064a\u0631 \u0627\u0644\u0645\u0628\u0627\u0634\u0631 \u0628\u062a\u0642\u0646\u064a\u0629 LDI<\/li>\n\n\n\n<li>Achieve solder mask bridge \u226450\u03bcm<\/li>\n<\/ul>\n\n\n\n<p><strong>(2) \u0627\u0644\u062a\u0639\u0627\u0648\u0646 \u0641\u064a \u0633\u0644\u0633\u0644\u0629 \u0627\u0644\u062a\u0648\u0631\u064a\u062f<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u062a\u0648\u062d\u064a\u062f \u0627\u0644\u0645\u0648\u0627\u062f:<\/li>\n\n\n\n<li>\u0645\u0648\u0627\u0635\u0641\u0627\u062a \u0627\u0644\u0644\u0648\u062d\u0629 \u0627\u0644\u0645\u0648\u062d\u062f\u0629 (0.2\/0.5\/0.5\/1.0 \u0645\u0645)<\/li>\n\n\n\n<li>\u0625\u0646\u0634\u0627\u0621 \u0625\u062f\u0627\u0631\u0629 \u0627\u0644\u0645\u062e\u0632\u0648\u0646 \u0641\u064a \u0625\u062f\u0627\u0631\u0629 \u0627\u0644\u0645\u062e\u0632\u0648\u0646 \u0627\u0644\u0637\u0648\u0639\u064a<\/li>\n\n\n\n<li>\u062a\u0648\u062d\u064a\u062f \u0627\u0644\u0639\u0645\u0644\u064a\u0627\u062a:<\/li>\n\n\n\n<li>\u062a\u0637\u0648\u064a\u0631 \u0645\u0648\u0627\u0635\u0641\u0627\u062a \u0639\u0645\u0644\u064a\u0629 \u0639\u0627\u0644\u0645\u064a\u0629 (\u062a\u063a\u0637\u064a 90% \u0645\u0646 \u0627\u0644\u0645\u0646\u062a\u062c\u0627\u062a)<\/li>\n\n\n\n<li>\u0625\u0646\u0634\u0627\u0621 \u0642\u0627\u0626\u0645\u0629 \u0627\u0644\u0645\u0648\u0631\u062f\u064a\u0646 \u0627\u0644\u0645\u0624\u0647\u0644\u064a\u0646<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Implementation_Effectiveness_Evaluation\"><\/span>\u062a\u0642\u064a\u064a\u0645 \u0641\u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u062a\u0646\u0641\u064a\u0630:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u062a\u062d\u0633\u064a\u0646 \u0627\u0644\u0623\u062f\u0627\u0621 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a:<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u062a\u062d\u0633\u0646\u062a \u0633\u0644\u0627\u0645\u0629 \u0627\u0644\u0625\u0634\u0627\u0631\u0629 \u0628\u0646\u0633\u0628\u0629 30%<\/li>\n\n\n\n<li>\u062a\u0642\u0644\u064a\u0644 \u0636\u0648\u0636\u0627\u0621 \u0627\u0644\u0637\u0627\u0642\u0629 \u0628\u0646\u0633\u0628\u0629 40%<\/li>\n<\/ul>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li>\u062a\u062d\u0633\u064a\u0646 \u062a\u0643\u0644\u0641\u0629 \u0627\u0644\u0625\u0646\u062a\u0627\u062c:<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0632\u064a\u0627\u062f\u0629 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0627\u0644\u0645\u0648\u0627\u062f \u0628\u0646\u0633\u0628\u0629 15%<\/li>\n\n\n\n<li>\u062a\u0642\u0635\u064a\u0631 \u062f\u0648\u0631\u0629 \u0627\u0644\u0625\u0646\u062a\u0627\u062c \u0628\u0646\u0633\u0628\u0629 20%<\/li>\n<\/ul>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li>\u0645\u0648\u062b\u0648\u0642\u064a\u0629 \u0627\u0644\u062c\u0648\u062f\u0629:<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0632\u064a\u0627\u062f\u0629 \u0639\u0627\u0626\u062f \u0627\u0644\u062a\u0645\u0631\u064a\u0631\u0629 \u0627\u0644\u0623\u0648\u0644\u0649 \u0625\u0644\u0649 98.5%<\/li>\n\n\n\n<li>\u062a\u0645\u062f\u064a\u062f \u0627\u0644\u0639\u0645\u0631 \u0627\u0644\u0627\u0641\u062a\u0631\u0627\u0636\u064a \u0644\u0644\u062a\u0634\u063a\u064a\u0644 \u0627\u0644\u0645\u062a\u0648\u0633\u0637 \u0627\u0644\u0623\u062c\u0644 \u0625\u0644\u0649 100,000 \u0633\u0627\u0639\u0629<\/li>\n<\/ul>\n\n\n\n<p>\u0645\u0644\u062d\u0648\u0638\u0629: \u064a\u0648\u0635\u0649 \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0623\u062f\u0648\u0627\u062a \u062a\u062d\u0644\u064a\u0644 \u0633\u0648\u0642 \u062f\u0628\u064a \u0627\u0644\u0645\u0627\u0644\u064a \u0644\u0644\u062a\u062d\u0642\u0642 \u0627\u0644\u0645\u0633\u0628\u0642\u060c \u0645\u0639 \u0625\u0646\u0634\u0627\u0621 \u0642\u0627\u0639\u062f\u0629 \u0628\u064a\u0627\u0646\u0627\u062a \u0645\u0639\u0644\u0645\u0627\u062a \u0639\u0645\u0644\u064a\u0629 \u0644\u0644\u062a\u062d\u0633\u064a\u0646 \u0627\u0644\u0645\u0633\u062a\u0645\u0631. \u062a\u062a\u0637\u0644\u0628 \u0627\u0644\u0645\u0646\u062a\u062c\u0627\u062a \u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u062a\u0631\u062f\u062f \u062a\u062d\u0642\u0642\u064b\u0627 \u0625\u0636\u0627\u0641\u064a\u064b\u0627 \u062b\u0644\u0627\u062b\u064a \u0627\u0644\u0623\u0628\u0639\u0627\u062f \u0644\u0645\u062d\u0627\u0643\u0627\u0629 \u0627\u0644\u0645\u062c\u0627\u0644 \u0627\u0644\u0643\u0647\u0631\u0648\u0645\u063a\u0646\u0627\u0637\u064a\u0633\u064a.<\/p>\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>\u0644\u0648\u062d\u0629 \u0627\u0644\u062f\u0627\u0626\u0631\u0629 PCB \u0631\u0628\u0627\u0639\u064a\u0629 \u0627\u0644\u0637\u0628\u0642\u0627\u062a \u0647\u064a \u0644\u0648\u062d\u0629 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\u0627\u0644\u062e\u0627\u0631\u062c\u064a\u0629.<\/p>","protected":false},"author":2,"featured_media":6551,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10],"tags":[129],"class_list":["post-6518","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry","tag-pcb-stackup"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Four Layer PCB Stackup - Topfastpcba<\/title>\n<meta name=\"description\" content=\"A quad-layer PCB circuit board is a multilayer circuit board that usually consists of an inner signal layer, an inner power layer, an outer signal layer, and an outer part mounting layer.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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