{"id":8364,"date":"2026-03-10T08:32:00","date_gmt":"2026-03-10T00:32:00","guid":{"rendered":"https:\/\/topfastpcba.com\/?p=8364"},"modified":"2026-03-04T09:55:01","modified_gmt":"2026-03-04T01:55:01","slug":"pcb-warpage-reflow-deformation","status":"publish","type":"post","link":"https:\/\/topfastpcba.com\/ar\/pcb-warpage-reflow-deformation\/","title":{"rendered":"\u062a\u0634\u0648\u0647\u0627\u062a \u0627\u0644\u0644\u0648\u062d\u0627\u062a \u0627\u0644\u0625\u0644\u0643\u062a\u0631\u0648\u0646\u064a\u0629 \u0648\u062a\u0634\u0648\u0647\u0627\u062a \u0625\u0639\u0627\u062f\u0629 \u0627\u0644\u062a\u062f\u0641\u0642: \u0627\u0644\u0623\u0633\u0628\u0627\u0628 \u0648\u0627\u0644\u0645\u062e\u0627\u0637\u0631 \u0648\u0627\u0644\u0648\u0642\u0627\u064a\u0629"},"content":{"rendered":"<p>\u062a\u0639\u062f \u062a\u0634\u0648\u0647\u0627\u062a \u0644\u0648\u062d\u0627\u062a \u0627\u0644\u062f\u0648\u0627\u0626\u0631 \u0627\u0644\u0645\u0637\u0628\u0648\u0639\u0629 (PCB) \u0623\u062d\u062f \u0623\u0643\u062b\u0631 \u0627\u0644\u0645\u062e\u0627\u0637\u0631 \u0627\u0644\u062a\u064a \u064a\u062a\u0645 \u0627\u0644\u062a\u0642\u0644\u064a\u0644 \u0645\u0646 \u0634\u0623\u0646\u0647\u0627 \u0641\u064a \u0645\u062c\u0627\u0644 \u062a\u0635\u0646\u064a\u0639 \u0627\u0644\u0625\u0644\u0643\u062a\u0631\u0648\u0646\u064a\u0627\u062a \u0627\u0644\u062d\u062f\u064a\u062b\u0629.<\/p>\n\n\n\n<p>As board density increases and component packages become larger\u2014especially BGA and QFN\u2014board flatness during reflow becomes critical. Even a small deformation can significantly affect solder joint reliability and assembly yield.<\/p>\n\n\n\n<p>\u064a\u0634\u0631\u062d \u0647\u0630\u0627 \u0627\u0644\u0645\u0642\u0627\u0644 \u0623\u0633\u0628\u0627\u0628 \u0627\u0646\u062d\u0646\u0627\u0621 \u0644\u0648\u062d\u0627\u062a \u0627\u0644\u062f\u0648\u0627\u0626\u0631 \u0627\u0644\u0645\u0637\u0628\u0648\u0639\u0629 (PCB)\u060c \u0648\u0643\u064a\u0641 \u062a\u062a\u0635\u0631\u0641 \u0623\u062b\u0646\u0627\u0621 \u0625\u0639\u0627\u062f\u0629 \u0627\u0644\u062a\u062f\u0641\u0642\u060c \u0648\u0643\u064a\u0641 \u064a\u062a\u0645 \u0642\u064a\u0627\u0633\u0647\u0627\u060c \u0648\u0643\u064a\u0641 \u064a\u0645\u0643\u0646 \u0644\u0644\u0645\u0647\u0646\u062f\u0633\u064a\u0646 \u062a\u0642\u0644\u064a\u0644 \u0627\u0644\u0645\u062e\u0627\u0637\u0631.<\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_75 counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u062c\u062f\u0648\u0644 \u0627\u0644\u0645\u062d\u062a\u0648\u064a\u0627\u062a<\/p>\n<span class=\"ez-toc-title-toggle\"><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/topfastpcba.com\/ar\/pcb-warpage-reflow-deformation\/#What_Is_PCB_Warpage\" >\u0645\u0627 \u0647\u0648 \u0627\u0646\u062d\u0646\u0627\u0621 PCB\u061f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/topfastpcba.com\/ar\/pcb-warpage-reflow-deformation\/#Why_Warpage_Increases_During_Reflow\" >\u0644\u0645\u0627\u0630\u0627 \u064a\u0632\u062f\u0627\u062f \u0627\u0644\u0627\u0644\u062a\u0648\u0627\u0621 \u0623\u062b\u0646\u0627\u0621 \u0625\u0639\u0627\u062f\u0629 \u0627\u0644\u062a\u062f\u0641\u0642<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/topfastpcba.com\/ar\/pcb-warpage-reflow-deformation\/#Main_Causes_of_PCB_Warpage\" >\u0627\u0644\u0623\u0633\u0628\u0627\u0628 \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629 \u0644\u062a\u0634\u0648\u0647 PCB<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/topfastpcba.com\/ar\/pcb-warpage-reflow-deformation\/#1_Asymmetric_Stack-Up\" >1. \u0627\u0644\u062a\u0631\u0627\u0635 \u063a\u064a\u0631 \u0627\u0644\u0645\u062a\u0645\u0627\u062b\u0644<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/topfastpcba.com\/ar\/pcb-warpage-reflow-deformation\/#2_Uneven_Copper_Distribution\" >2. \u062a\u0648\u0632\u064a\u0639 \u063a\u064a\u0631 \u0645\u062a\u0633\u0627\u0648\u064d \u0644\u0644\u0646\u062d\u0627\u0633<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/topfastpcba.com\/ar\/pcb-warpage-reflow-deformation\/#3_Material_CTE_Mismatch\" >3. \u0639\u062f\u0645 \u062a\u0637\u0627\u0628\u0642 \u0645\u0639\u0627\u0645\u0644 \u0627\u0644\u062a\u0645\u062f\u062f \u0627\u0644\u062d\u0631\u0627\u0631\u064a \u0644\u0644\u0645\u0627\u062f\u0629<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/topfastpcba.com\/ar\/pcb-warpage-reflow-deformation\/#4_Large_BGA_Packages\" >4. \u062d\u0632\u0645 BGA \u0643\u0628\u064a\u0631\u0629 \u0627\u0644\u062d\u062c\u0645<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/topfastpcba.com\/ar\/pcb-warpage-reflow-deformation\/#5_High_Reflow_Temperature\" >5. \u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0625\u0639\u0627\u062f\u0629 \u062a\u062f\u0641\u0642 \u0639\u0627\u0644\u064a\u0629<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/topfastpcba.com\/ar\/pcb-warpage-reflow-deformation\/#How_PCB_Warpage_Affects_Assembly\" >\u0643\u064a\u0641 \u064a\u0624\u062b\u0631 \u0627\u0646\u062d\u0646\u0627\u0621 PCB \u0639\u0644\u0649 \u0627\u0644\u062a\u062c\u0645\u064a\u0639<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/topfastpcba.com\/ar\/pcb-warpage-reflow-deformation\/#Measuring_PCB_Warpage\" >\u0642\u064a\u0627\u0633 \u0627\u0646\u062d\u0646\u0627\u0621 \u0644\u0648\u062d\u0627\u062a \u0627\u0644\u062f\u0648\u0627\u0626\u0631 \u0627\u0644\u0645\u0637\u0628\u0648\u0639\u0629<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/topfastpcba.com\/ar\/pcb-warpage-reflow-deformation\/#Warpage_and_PCB_Manufacturing_Tolerances\" >\u0627\u0644\u062a\u0648\u0627\u0621 \u0648\u062a\u0641\u0627\u0648\u062a\u0627\u062a \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<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/topfastpcba.com\/ar\/pcb-warpage-reflow-deformation\/#Design_Strategies_to_Reduce_Warpage\" >\u0627\u0633\u062a\u0631\u0627\u062a\u064a\u062c\u064a\u0627\u062a \u0627\u0644\u062a\u0635\u0645\u064a\u0645 \u0644\u0644\u062d\u062f \u0645\u0646 \u0627\u0644\u0627\u0644\u062a\u0648\u0627\u0621<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/topfastpcba.com\/ar\/pcb-warpage-reflow-deformation\/#Process_Control_Strategies_During_Assembly\" >\u0627\u0633\u062a\u0631\u0627\u062a\u064a\u062c\u064a\u0627\u062a \u0627\u0644\u062a\u062d\u0643\u0645 \u0641\u064a \u0627\u0644\u0639\u0645\u0644\u064a\u0627\u062a \u0623\u062b\u0646\u0627\u0621 \u0627\u0644\u062a\u062c\u0645\u064a\u0639<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/topfastpcba.com\/ar\/pcb-warpage-reflow-deformation\/#Warpage_in_High-Reliability_Applications\" >\u0627\u0644\u062a\u0634\u0648\u0647 \u0641\u064a \u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u0645\u0648\u062b\u0648\u0642\u064a\u0629<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/topfastpcba.com\/ar\/pcb-warpage-reflow-deformation\/#Frequently_Asked_Questions_FAQ\" >\u0627\u0644\u0623\u0633\u0626\u0644\u0629 \u0627\u0644\u0634\u0627\u0626\u0639\u0629 (FAQ)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/topfastpcba.com\/ar\/pcb-warpage-reflow-deformation\/#Conclusion\" >\u0627\u0644\u062e\u0627\u062a\u0645\u0629<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_Is_PCB_Warpage\"><\/span>\u0645\u0627 \u0647\u0648 \u0627\u0646\u062d\u0646\u0627\u0621 PCB\u061f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u064a\u0634\u064a\u0631 \u0627\u0646\u062d\u0646\u0627\u0621 PCB \u0625\u0644\u0649 \u062a\u0634\u0648\u0647 \u0627\u0644\u0644\u0648\u062d\u0629 \u062e\u0627\u0631\u062c \u0627\u0644\u0645\u0633\u062a\u0648\u0649\u060c \u0625\u0645\u0627:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0627\u0644\u0642\u0648\u0633 (\u0627\u0646\u062d\u0646\u0627\u0621 \u0645\u0646\u062a\u0638\u0645)<\/li>\n\n\n\n<li>\u0627\u0644\u062a\u0648\u0627\u0621 (\u062a\u0634\u0648\u0647 \u0642\u0637\u0631\u064a)<\/li>\n\n\n\n<li>\u062a\u0634\u0648\u0647 \u0645\u0648\u0636\u0639\u064a<\/li>\n<\/ul>\n\n\n\n<p>\u0642\u062f \u064a\u062d\u062f\u062b \u0627\u0644\u0627\u0644\u062a\u0648\u0627\u0621 \u0642\u0628\u0644 \u0627\u0644\u062a\u062c\u0645\u064a\u0639\u060c \u0648\u0644\u0643\u0646\u0647 \u063a\u0627\u0644\u0628\u064b\u0627 \u0645\u0627 \u064a\u0632\u062f\u0627\u062f \u0623\u062b\u0646\u0627\u0621 \u0627\u0644\u0625\u062c\u0647\u0627\u062f \u0627\u0644\u062d\u0631\u0627\u0631\u064a \u0627\u0644\u0646\u0627\u062a\u062c \u0639\u0646 \u0627\u0644\u0644\u062d\u0627\u0645 \u0628\u0625\u0639\u0627\u062f\u0629 \u0627\u0644\u062a\u062f\u0641\u0642.<\/p>\n\n\n\n<p>\u0644\u0627 \u064a\u0636\u0645\u0646 \u0627\u0644\u062a\u0633\u0637\u064a\u062d \u0641\u064a \u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u063a\u0631\u0641\u0629 \u0627\u0644\u062a\u0633\u0637\u064a\u062d \u0639\u0646\u062f \u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0625\u0639\u0627\u062f\u0629 \u0627\u0644\u062a\u062f\u0641\u0642 \u0627\u0644\u0642\u0635\u0648\u0649.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Why_Warpage_Increases_During_Reflow\"><\/span>\u0644\u0645\u0627\u0630\u0627 \u064a\u0632\u062f\u0627\u062f \u0627\u0644\u0627\u0644\u062a\u0648\u0627\u0621 \u0623\u062b\u0646\u0627\u0621 \u0625\u0639\u0627\u062f\u0629 \u0627\u0644\u062a\u062f\u0641\u0642<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>During reflow, PCB temperature typically rises to 230\u2013250\u00b0C (lead-free process).<\/p>\n\n\n\n<p>\u0641\u064a \u062f\u0631\u062c\u0627\u062a \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u0645\u0631\u062a\u0641\u0639\u0629:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0627\u0644\u0631\u0627\u062a\u0646\u062c \u064a\u0644\u064a\u0646<\/li>\n\n\n\n<li>\u062a\u0648\u0633\u0639 \u0627\u0644\u0646\u062d\u0627\u0633 \u0648\u0627\u0644\u0631\u0643\u064a\u0632\u0629<\/li>\n\n\n\n<li>\u064a\u0635\u0628\u062d \u0639\u062f\u0645 \u0627\u0644\u062a\u0648\u0627\u0641\u0642 \u0628\u064a\u0646 CTE \u0623\u0643\u062b\u0631 \u0648\u0636\u0648\u062d\u064b\u0627<\/li>\n\n\n\n<li>\u0625\u0639\u0627\u062f\u0629 \u062a\u0648\u0632\u064a\u0639 \u0627\u0644\u0636\u063a\u0637 \u0627\u0644\u062f\u0627\u062e\u0644\u064a<\/li>\n<\/ul>\n\n\n\n<p>\u0625\u0630\u0627 \u0644\u0645 \u064a\u0643\u0646 \u062a\u0631\u0627\u0635 PCB \u0645\u062a\u0645\u0627\u062b\u0644\u0627\u064b\u060c \u0641\u0625\u0646 \u0627\u0644\u062a\u0645\u062f\u062f \u0627\u0644\u062d\u0631\u0627\u0631\u064a \u064a\u0635\u0628\u062d \u063a\u064a\u0631 \u0645\u062a\u0648\u0627\u0632\u0646\u060c \u0645\u0645\u0627 \u064a\u0624\u062f\u064a \u0625\u0644\u0649 \u062a\u0634\u0648\u0647.<\/p>\n\n\n\n<p>\u064a\u0631\u062a\u0628\u0637 \u0647\u0630\u0627 \u0627\u0644\u0633\u0644\u0648\u0643 \u0627\u0631\u062a\u0628\u0627\u0637\u064b\u0627 \u0648\u062b\u064a\u0642\u064b\u0627 \u0628\u0640 <a href=\"https:\/\/topfastpcba.com\/ar\/pcb-manufacturing-processes-2\/\">\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<\/a><\/p>\n\n\n\n<p>\u062a\u0624\u062b\u0631 \u062c\u0648\u062f\u0629 \u0627\u0644\u062a\u0635\u0641\u064a\u062d \u0648\u062a\u0648\u0632\u064a\u0639 \u0627\u0644\u0646\u062d\u0627\u0633 \u0628\u0634\u0643\u0644 \u0645\u0628\u0627\u0634\u0631 \u0639\u0644\u0649 \u0645\u0633\u062a\u0648\u064a\u0627\u062a \u0627\u0644\u0636\u063a\u0637 \u0627\u0644\u062f\u0627\u062e\u0644\u064a.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Main_Causes_of_PCB_Warpage\"><\/span>\u0627\u0644\u0623\u0633\u0628\u0627\u0628 \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629 \u0644\u062a\u0634\u0648\u0647 PCB<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"1_Asymmetric_Stack-Up\"><\/span>1. \u0627\u0644\u062a\u0631\u0627\u0635 \u063a\u064a\u0631 \u0627\u0644\u0645\u062a\u0645\u0627\u062b\u0644<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u0625\u0630\u0627 \u0643\u0627\u0646 \u062a\u0648\u0632\u064a\u0639 \u0627\u0644\u0637\u0628\u0642\u0627\u062a \u063a\u064a\u0631 \u0645\u062a\u0633\u0627\u0648\u064d (\u0639\u0644\u0649 \u0633\u0628\u064a\u0644 \u0627\u0644\u0645\u062b\u0627\u0644\u060c \u0648\u062c\u0648\u062f \u0646\u062d\u0627\u0633 \u0643\u062b\u064a\u0641 \u0639\u0644\u0649 \u062c\u0627\u0646\u0628 \u0648\u0627\u062d\u062f)\u060c \u0641\u0625\u0646 \u0642\u0648\u0649 \u0627\u0644\u062a\u0645\u062f\u062f \u062a\u062e\u062a\u0644\u0641 \u0639\u0628\u0631 \u0633\u0645\u0627\u0643\u0629 \u0627\u0644\u0644\u0648\u062d\u0629.<\/p>\n\n\n\n<p>\u0648\u0647\u0630\u0627 \u064a\u0624\u062f\u064a \u0625\u0644\u0649 \u062d\u062f\u0648\u062b \u0627\u0646\u062d\u0646\u0627\u0621 \u0623\u062b\u0646\u0627\u0621 \u0627\u0644\u062a\u0633\u062e\u064a\u0646.<\/p>\n\n\n\n<p>\u064a\u0639\u062f \u0627\u0644\u062a\u0635\u0645\u064a\u0645 \u0627\u0644\u0645\u062a\u0648\u0627\u0632\u0646 \u0644\u0644\u062a\u0643\u062f\u064a\u0633 \u0623\u062d\u062f \u0623\u0643\u062b\u0631 \u0627\u0644\u062a\u062f\u0627\u0628\u064a\u0631 \u0627\u0644\u0648\u0642\u0627\u0626\u064a\u0629 \u0641\u0639\u0627\u0644\u064a\u0629.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"2_Uneven_Copper_Distribution\"><\/span>2. \u062a\u0648\u0632\u064a\u0639 \u063a\u064a\u0631 \u0645\u062a\u0633\u0627\u0648\u064d \u0644\u0644\u0646\u062d\u0627\u0633<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u062a\u0624\u062f\u064a \u0627\u0644\u0645\u0633\u0627\u062d\u0627\u062a \u0627\u0644\u0646\u062d\u0627\u0633\u064a\u0629 \u0627\u0644\u0643\u0628\u064a\u0631\u0629 \u0639\u0644\u0649 \u0623\u062d\u062f \u0627\u0644\u062c\u0627\u0646\u0628\u064a\u0646 \u0648\u0627\u0644\u062a\u0648\u062c\u064a\u0647 \u0627\u0644\u0645\u062a\u0641\u0631\u0642 \u0639\u0644\u0649 \u0627\u0644\u062c\u0627\u0646\u0628 \u0627\u0644\u0622\u062e\u0631 \u0625\u0644\u0649 \u062d\u062f\u0648\u062b \u0627\u062e\u062a\u0644\u0627\u0644 \u0641\u064a \u0627\u0644\u062a\u0648\u0627\u0632\u0646 \u0627\u0644\u062d\u0631\u0627\u0631\u064a.<\/p>\n\n\n\n<p>\u064a\u062a\u0648\u0633\u0639 \u0627\u0644\u0646\u062d\u0627\u0633 \u0628\u0634\u0643\u0644 \u0645\u062e\u062a\u0644\u0641 \u0639\u0646 \u0627\u0644\u0631\u0627\u062a\u0646\u062c\u060c \u0645\u0645\u0627 \u064a\u0632\u064a\u062f \u0645\u0646 \u0627\u0646\u062d\u0646\u0627\u0621\u0647 \u062a\u062d\u062a \u062a\u0623\u062b\u064a\u0631 \u0627\u0644\u062d\u0631\u0627\u0631\u0629.<\/p>\n\n\n\n<p>\u062a\u0642\u0644\u0644 \u062a\u0642\u0646\u064a\u0627\u062a \u0645\u0648\u0627\u0632\u0646\u0629 \u0627\u0644\u0646\u062d\u0627\u0633 \u0645\u0646 \u0647\u0630\u0627 \u0627\u0644\u062e\u0637\u0631.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"3_Material_CTE_Mismatch\"><\/span>3. \u0639\u062f\u0645 \u062a\u0637\u0627\u0628\u0642 \u0645\u0639\u0627\u0645\u0644 \u0627\u0644\u062a\u0645\u062f\u062f \u0627\u0644\u062d\u0631\u0627\u0631\u064a \u0644\u0644\u0645\u0627\u062f\u0629<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u062a\u062a\u0648\u0633\u0639 \u0627\u0644\u0645\u0648\u0627\u062f \u0627\u0644\u0645\u062e\u062a\u0644\u0641\u0629 \u0628\u0645\u0639\u062f\u0644\u0627\u062a \u0645\u062e\u062a\u0644\u0641\u0629.<\/p>\n\n\n\n<p>\u0639\u062f\u0645 \u0627\u0644\u062a\u0648\u0627\u0641\u0642 \u0628\u064a\u0646:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0627\u0644\u0645\u0648\u0627\u062f \u0627\u0644\u0623\u0633\u0627\u0633\u064a\u0629<\/li>\n\n\n\n<li>\u0631\u0627\u062a\u0646\u062c \u0628\u0631\u064a\u0628\u0631\u064a\u063a<\/li>\n\n\n\n<li>\u0637\u0628\u0642\u0627\u062a \u0627\u0644\u0646\u062d\u0627\u0633<\/li>\n<\/ul>\n\n\n\n<p>\u064a\u0645\u0643\u0646 \u0623\u0646 \u064a\u0636\u062e\u0645 \u0627\u0644\u062a\u0634\u0648\u0647 \u0623\u062b\u0646\u0627\u0621 \u0627\u0644\u062f\u0648\u0631\u0627\u062a \u0627\u0644\u062d\u0631\u0627\u0631\u064a\u0629.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"4_Large_BGA_Packages\"><\/span>4. \u062d\u0632\u0645 BGA \u0643\u0628\u064a\u0631\u0629 \u0627\u0644\u062d\u062c\u0645<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u062a\u0632\u064a\u062f \u0645\u0643\u0648\u0646\u0627\u062a BGA \u0627\u0644\u0643\u0628\u064a\u0631\u0629 \u0645\u0646 \u0627\u0644\u0636\u063a\u0637 \u0627\u0644\u0645\u062d\u0644\u064a \u0623\u062b\u0646\u0627\u0621 \u0625\u0639\u0627\u062f\u0629 \u0627\u0644\u062a\u062f\u0641\u0642.<\/p>\n\n\n\n<p>\u0625\u0630\u0627 \u0644\u0645 \u064a\u0643\u0646 \u0633\u0637\u062d PCB \u0645\u0633\u0637\u062d\u064b\u0627\u060c \u0641\u0642\u062f \u064a\u062d\u062f\u062b \u0627\u0646\u0647\u064a\u0627\u0631 \u063a\u064a\u0631 \u0645\u062a\u0633\u0627\u0648\u064d \u0641\u064a \u0627\u0644\u0644\u062d\u0627\u0645\u060c \u0645\u0645\u0627 \u064a\u0624\u062f\u064a \u0625\u0644\u0649 \u0645\u062e\u0627\u0637\u0631 \u062a\u062a\u0639\u0644\u0642 \u0628\u0627\u0644\u0645\u0648\u062b\u0648\u0642\u064a\u0629 \u062a\u0645\u062a \u0645\u0646\u0627\u0642\u0634\u062a\u0647\u0627 \u0641\u064a <a href=\"https:\/\/topfastpcba.com\/ar\/bga-solder-joint-reliability\/\">\u0645\u0648\u062b\u0648\u0642\u064a\u0629 \u0648\u0635\u0644\u0627\u062a \u0627\u0644\u0644\u062d\u0627\u0645 BGA<\/a><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"5_High_Reflow_Temperature\"><\/span>5. \u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0625\u0639\u0627\u062f\u0629 \u062a\u062f\u0641\u0642 \u0639\u0627\u0644\u064a\u0629<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u064a\u0624\u062f\u064a \u0627\u0644\u0644\u062d\u0627\u0645 \u0627\u0644\u062e\u0627\u0644\u064a \u0645\u0646 \u0627\u0644\u0631\u0635\u0627\u0635 \u0625\u0644\u0649 \u0632\u064a\u0627\u062f\u0629 \u062f\u0631\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u0642\u0635\u0648\u0649 \u0645\u0642\u0627\u0631\u0646\u0629 \u0628\u0627\u0644\u0639\u0645\u0644\u064a\u0627\u062a \u0627\u0644\u062a\u064a \u062a\u0633\u062a\u062e\u062f\u0645 \u0627\u0644\u0631\u0635\u0627\u0635.<\/p>\n\n\n\n<p>\u0627\u0631\u062a\u0641\u0627\u0639 \u062f\u0631\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u064a\u0632\u064a\u062f \u0645\u0646 \u0627\u0644\u062a\u0645\u062f\u062f \u0648\u0627\u0644\u0636\u063a\u0637.<\/p>\n\n\n\n<p>\u0642\u062f \u064a\u0624\u062f\u064a \u0648\u0642\u062a \u0627\u0644\u0646\u0642\u0639 \u0627\u0644\u0645\u0641\u0631\u0637 \u0625\u0644\u0649 \u0632\u064a\u0627\u062f\u0629 \u0627\u0644\u062a\u0634\u0648\u0647.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"530\" src=\"https:\/\/topfastpcba.com\/wp-content\/uploads\/2026\/03\/PCB-Warpage.jpg\" alt=\"\u062a\u0634\u0648\u0647\u0627\u062a \u0644\u0648\u062d\u0627\u062a \u0627\u0644\u062f\u0648\u0627\u0626\u0631 \u0627\u0644\u0645\u0637\u0628\u0648\u0639\u0629\" class=\"wp-image-8365\" srcset=\"https:\/\/topfastpcba.com\/wp-content\/uploads\/2026\/03\/PCB-Warpage.jpg 600w, https:\/\/topfastpcba.com\/wp-content\/uploads\/2026\/03\/PCB-Warpage-300x265.jpg 300w, https:\/\/topfastpcba.com\/wp-content\/uploads\/2026\/03\/PCB-Warpage-14x12.jpg 14w, https:\/\/topfastpcba.com\/wp-content\/uploads\/2026\/03\/PCB-Warpage-150x133.jpg 150w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_PCB_Warpage_Affects_Assembly\"><\/span>\u0643\u064a\u0641 \u064a\u0624\u062b\u0631 \u0627\u0646\u062d\u0646\u0627\u0621 PCB \u0639\u0644\u0649 \u0627\u0644\u062a\u062c\u0645\u064a\u0639<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u064a\u0645\u0643\u0646 \u0623\u0646 \u064a\u062a\u0633\u0628\u0628 \u0627\u0644\u0627\u0644\u062a\u0648\u0627\u0621 \u0641\u064a:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0639\u064a\u0648\u0628 \u0627\u0644\u0631\u0623\u0633 \u0641\u064a \u0627\u0644\u0648\u0633\u0627\u062f\u0629<\/li>\n\n\n\n<li>\u062a\u0628\u0644\u0644 \u0627\u0644\u0644\u062d\u0627\u0645 \u063a\u064a\u0631 \u0643\u0627\u0645\u0644<\/li>\n\n\n\n<li>\u0627\u0631\u062a\u0641\u0627\u0639 \u063a\u064a\u0631 \u0645\u062a\u0633\u0627\u0648\u064d \u0641\u064a \u0648\u0635\u0644\u0629 \u0627\u0644\u0644\u062d\u0627\u0645<\/li>\n\n\n\n<li>\u0632\u064a\u0627\u062f\u0629 \u062e\u0637\u0631 \u0625\u062c\u0647\u0627\u062f BGA<\/li>\n\n\n\n<li>\u0627\u062e\u062a\u0644\u0627\u0644 \u0645\u062d\u0627\u0630\u0627\u0629 \u0627\u0644\u0645\u0643\u0648\u0646\u0627\u062a<\/li>\n<\/ul>\n\n\n\n<p>\u062d\u062a\u0649 \u0625\u0630\u0627 \u0627\u062c\u062a\u0627\u0632\u062a \u0627\u0644\u0644\u0648\u062d\u0629 \u0627\u0644\u0627\u062e\u062a\u0628\u0627\u0631\u0627\u062a \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629\u060c \u0641\u0625\u0646 \u0627\u0644\u062a\u0634\u0648\u0647 \u0623\u062b\u0646\u0627\u0621 \u0625\u0639\u0627\u062f\u0629 \u0627\u0644\u062a\u062f\u0641\u0642 \u064a\u0645\u0643\u0646 \u0623\u0646 \u064a\u0624\u062f\u064a \u0625\u0644\u0649 \u0645\u0634\u0627\u0643\u0644 \u0645\u0648\u062b\u0648\u0642\u064a\u0629 \u0637\u0648\u064a\u0644\u0629 \u0627\u0644\u0623\u0645\u062f.<\/p>\n\n\n\n<p>Warpage is not just cosmetic\u2014it is a structural reliability concern.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Measuring_PCB_Warpage\"><\/span>\u0642\u064a\u0627\u0633 \u0627\u0646\u062d\u0646\u0627\u0621 \u0644\u0648\u062d\u0627\u062a \u0627\u0644\u062f\u0648\u0627\u0626\u0631 \u0627\u0644\u0645\u0637\u0628\u0648\u0639\u0629<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u064a\u064f\u0642\u0627\u0633 \u0627\u0644\u0627\u0644\u062a\u0648\u0627\u0621 \u0639\u0627\u062f\u0629\u064b \u0643\u0646\u0633\u0628\u0629 \u0645\u0626\u0648\u064a\u0629: <math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" display=\"block\"><semantics><mrow><mi>W<\/mi><mi>a<\/mi><mi>r<\/mi><mi>p<\/mi><mi>a<\/mi><mi>g<\/mi><mi>e<\/mi><mo stretchy=\"false\">(<\/mo><\/mrow><annotation encoding=\"application\/x-tex\">Warpage (%) = (Maximum deviation \/ Diagonal length) \u00d7 100<\/annotation><\/semantics><\/math>\u063a\u0627\u0644\u0628\u064b\u0627 \u0645\u0627 \u062a\u062d\u062f\u062f \u0627\u0644\u0645\u0628\u0627\u062f\u0626 \u0627\u0644\u062a\u0648\u062c\u064a\u0647\u064a\u0629 \u0627\u0644\u0635\u0646\u0627\u0639\u064a\u0629 \u0627\u0646\u062d\u0631\u0627\u0641 \u0627\u0644\u062a\u0634\u0648\u0647 \u0628\u0646\u062d\u0648 0.75\u066a \u0623\u0648 \u0623\u0642\u0644 \u0644\u0636\u0645\u0627\u0646 \u0645\u0648\u062b\u0648\u0642\u064a\u0629 \u0627\u0644\u062a\u062c\u0645\u064a\u0639\u060c \u0627\u0639\u062a\u0645\u0627\u062f\u064b\u0627 \u0639\u0644\u0649 \u0627\u0644\u062a\u0637\u0628\u064a\u0642.<\/p>\n\n\n\n<p>\u062a\u0634\u0645\u0644 \u0637\u0631\u0642 \u0627\u0644\u0642\u064a\u0627\u0633 \u0645\u0627 \u064a\u0644\u064a:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0642\u064a\u0627\u0633 \u0627\u0644\u062a\u0633\u0637\u064a\u062d \u0627\u0644\u0628\u0635\u0631\u064a<\/li>\n\n\n\n<li>Shadow moir\u00e9 systems<\/li>\n\n\n\n<li>\u062a\u062d\u0644\u064a\u0644 \u0627\u0644\u062a\u0634\u0648\u0647 \u062b\u0644\u0627\u062b\u064a \u0627\u0644\u0623\u0628\u0639\u0627\u062f \u0623\u062b\u0646\u0627\u0621 \u0627\u0644\u062f\u0648\u0631\u0627\u062a \u0627\u0644\u062d\u0631\u0627\u0631\u064a\u0629<\/li>\n<\/ul>\n\n\n\n<p>\u062a\u0648\u0641\u0631 \u0645\u0631\u0627\u0642\u0628\u0629 \u0627\u0644\u062a\u0634\u0648\u0647 \u0639\u0646\u062f \u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0625\u0639\u0627\u062f\u0629 \u0627\u0644\u062a\u062f\u0641\u0642 \u0628\u064a\u0627\u0646\u0627\u062a \u0623\u0643\u062b\u0631 \u062f\u0642\u0629 \u0645\u0646 \u0627\u0644\u0642\u064a\u0627\u0633 \u0639\u0646\u062f \u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u063a\u0631\u0641\u0629 \u0648\u062d\u062f\u0647\u0627.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Warpage_and_PCB_Manufacturing_Tolerances\"><\/span>\u0627\u0644\u062a\u0648\u0627\u0621 \u0648\u062a\u0641\u0627\u0648\u062a\u0627\u062a \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<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u062a\u0624\u062b\u0631 \u0627\u0644\u062a\u0641\u0627\u0648\u062a\u0627\u062a \u0641\u064a \u0627\u0644\u0623\u0628\u0639\u0627\u062f \u0639\u0644\u0649 \u0633\u0644\u0648\u0643 \u0627\u0644\u0627\u0644\u062a\u0648\u0627\u0621.<\/p>\n\n\n\n<p>\u0627\u0644\u062a\u062d\u0643\u0645 \u0627\u0644\u062f\u0642\u064a\u0642 \u0641\u064a \u0627\u0644\u0633\u0645\u0627\u0643\u0629 \u0648\u0627\u0644\u062a\u0635\u0641\u064a\u062d \u0627\u0644\u0645\u062a\u0648\u0627\u0632\u0646 \u064a\u0642\u0644\u0644\u0627\u0646 \u0645\u0646 \u062e\u0637\u0631 \u0627\u0644\u062a\u0634\u0648\u0647.<br>\u0627\u0646\u0638\u0631: <a href=\"https:\/\/topfastpcba.com\/ar\/pcb-manufacturing-tolerances\/\">\u062a\u0641\u0627\u0648\u062a\u0627\u062a \u062a\u0635\u0646\u064a\u0639 \u0644\u0648\u062d\u0627\u062a \u0627\u0644\u062f\u0648\u0627\u0626\u0631 \u0627\u0644\u0645\u0637\u0628\u0648\u0639\u0629<\/a><\/p>\n\n\n\n<p>\u064a\u062c\u0628 \u0623\u0646 \u064a\u0623\u062e\u0630 \u062a\u0635\u0645\u064a\u0645 \u0627\u0644\u062a\u0631\u0627\u0635 \u0641\u064a \u0627\u0644\u0627\u0639\u062a\u0628\u0627\u0631 \u0627\u0644\u0645\u062a\u0637\u0644\u0628\u0627\u062a \u0627\u0644\u0645\u064a\u0643\u0627\u0646\u064a\u0643\u064a\u0629 \u0648\u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Design_Strategies_to_Reduce_Warpage\"><\/span>\u0627\u0633\u062a\u0631\u0627\u062a\u064a\u062c\u064a\u0627\u062a \u0627\u0644\u062a\u0635\u0645\u064a\u0645 \u0644\u0644\u062d\u062f \u0645\u0646 \u0627\u0644\u0627\u0644\u062a\u0648\u0627\u0621<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u064a\u0645\u0643\u0646 \u0644\u0644\u0645\u0647\u0646\u062f\u0633\u064a\u0646 \u062a\u0642\u0644\u064a\u0644 \u0627\u0644\u0645\u062e\u0627\u0637\u0631 \u0645\u0646 \u062e\u0644\u0627\u0644:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u062a\u0631\u0627\u0635 \u0627\u0644\u0637\u0628\u0642\u0627\u062a \u0627\u0644\u0645\u062a\u0645\u0627\u062b\u0644\u0629<\/li>\n\n\n\n<li>\u062a\u0648\u0632\u064a\u0639 \u0645\u062a\u0648\u0627\u0632\u0646 \u0644\u0644\u0646\u062d\u0627\u0633<\/li>\n\n\n\n<li>\u062a\u062c\u0646\u0628 \u0627\u0644\u0625\u0641\u0631\u0627\u0637 \u0641\u064a \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0627\u0644\u0646\u062d\u0627\u0633 \u0639\u0644\u0649 \u0627\u0644\u0637\u0628\u0642\u0627\u062a \u0627\u0644\u062e\u0627\u0631\u062c\u064a\u0629 \u0641\u0642\u0637<\/li>\n\n\n\n<li>\u0627\u062e\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0648\u0627\u062f \u0627\u0644\u0645\u0646\u0627\u0633\u0628\u0629 \u0644\u0640 Tg<\/li>\n\n\n\n<li>\u0627\u0644\u062a\u062d\u0643\u0645 \u0641\u064a \u0633\u0645\u0627\u0643\u0629 \u0627\u0644\u0644\u0648\u062d\u0629<\/li>\n\n\n\n<li>\u062a\u0642\u0644\u064a\u0644 \u062d\u062c\u0645 \u0627\u0644\u0644\u0648\u062d\u0629 \u0642\u062f\u0631 \u0627\u0644\u0625\u0645\u0643\u0627\u0646<\/li>\n<\/ul>\n\n\n\n<p>\u062a\u0633\u0627\u0639\u062f \u0627\u0644\u0645\u0631\u0627\u062c\u0639\u0629 \u0627\u0644\u0645\u0628\u0643\u0631\u0629 \u0644\u0640 DFM \u0639\u0644\u0649 \u062a\u062d\u062f\u064a\u062f \u0627\u0644\u0627\u062e\u062a\u0644\u0627\u0644\u0627\u062a \u0642\u0628\u0644 \u0627\u0644\u0625\u0646\u062a\u0627\u062c.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Process_Control_Strategies_During_Assembly\"><\/span>\u0627\u0633\u062a\u0631\u0627\u062a\u064a\u062c\u064a\u0627\u062a \u0627\u0644\u062a\u062d\u0643\u0645 \u0641\u064a \u0627\u0644\u0639\u0645\u0644\u064a\u0627\u062a \u0623\u062b\u0646\u0627\u0621 \u0627\u0644\u062a\u062c\u0645\u064a\u0639<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u062a\u0634\u0645\u0644 \u0636\u0648\u0627\u0628\u0637 \u0627\u0644\u062a\u0635\u0646\u064a\u0639 \u0645\u0627 \u064a\u0644\u064a:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0645\u0644\u0641 \u0625\u0639\u0627\u062f\u0629 \u062a\u062f\u0641\u0642 \u0645\u062d\u0633\u0651\u0646<\/li>\n\n\n\n<li>\u0645\u0639\u062f\u0644 \u0627\u0644\u062a\u0633\u062e\u064a\u0646 \u0627\u0644\u0645\u062a\u062d\u0643\u0645 \u0641\u064a\u0647<\/li>\n\n\n\n<li>\u0623\u062f\u0648\u0627\u062a \u0627\u0644\u062f\u0639\u0645 \u0627\u0644\u0645\u0646\u0627\u0633\u0628\u0629 \u0623\u062b\u0646\u0627\u0621 \u0625\u0639\u0627\u062f\u0629 \u0627\u0644\u062a\u062f\u0641\u0642<\/li>\n\n\n\n<li>\u062a\u0635\u0645\u064a\u0645 \u0644\u0648\u062d\u0629 \u0630\u0627\u062a \u0635\u0644\u0627\u0628\u0629 \u0643\u0627\u0641\u064a\u0629<\/li>\n<\/ul>\n\n\n\n<p>\u064a\u062c\u0628 \u0623\u0646 \u064a\u0639\u0645\u0644 \u0642\u0633\u0645\u064a \u0627\u0644\u062a\u062c\u0645\u064a\u0639 \u0648\u0627\u0644\u062a\u0635\u0646\u064a\u0639 \u0645\u0639\u064b\u0627 \u0644\u0625\u062f\u0627\u0631\u0629 \u0627\u0644\u062a\u0634\u0648\u0647.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Warpage_in_High-Reliability_Applications\"><\/span>\u0627\u0644\u062a\u0634\u0648\u0647 \u0641\u064a \u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u0645\u0648\u062b\u0648\u0642\u064a\u0629<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u063a\u0627\u0644\u0628\u064b\u0627 \u0645\u0627 \u062a\u062a\u0639\u0631\u0636 \u0627\u0644\u0625\u0644\u0643\u062a\u0631\u0648\u0646\u064a\u0627\u062a \u0627\u0644\u0635\u0646\u0627\u0639\u064a\u0629 \u0648\u0627\u0644\u0633\u064a\u0627\u0631\u0627\u062a \u0644\u062f\u0648\u0631\u0627\u062a \u062d\u0631\u0627\u0631\u064a\u0629 \u0645\u062a\u0643\u0631\u0631\u0629.<\/p>\n\n\n\n<p>\u062d\u062a\u0649 \u0627\u0644\u062a\u0634\u0648\u0647\u0627\u062a \u0627\u0644\u0637\u0641\u064a\u0641\u0629 \u0641\u064a \u0627\u0644\u0628\u062f\u0627\u064a\u0629 \u064a\u0645\u0643\u0646 \u0623\u0646 \u062a\u0633\u0631\u0639 \u0645\u0646 \u062d\u062f\u0648\u062b \u062a\u0634\u0642\u0642\u0627\u062a \u0627\u0644\u0625\u062c\u0647\u0627\u062f \u0628\u0645\u0631\u0648\u0631 \u0627\u0644\u0648\u0642\u062a.<\/p>\n\n\n\n<p>\u062a\u062a\u0637\u0644\u0628 \u0627\u0644\u0645\u0648\u062b\u0648\u0642\u064a\u0629 \u0639\u0644\u0649 \u0627\u0644\u0645\u062f\u0649 \u0627\u0644\u0637\u0648\u064a\u0644 \u0645\u0627 \u064a\u0644\u064a:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u062a\u0635\u0646\u064a\u0639 \u0645\u0633\u062a\u0642\u0631<\/li>\n\n\n\n<li>\u062a\u062c\u0645\u064a\u0639 \u062e\u0627\u0636\u0639 \u0644\u0644\u0631\u0642\u0627\u0628\u0629<\/li>\n\n\n\n<li>\u0627\u062e\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0648\u0627\u062f \u0627\u0644\u0645\u0646\u0627\u0633\u0628\u0629<\/li>\n\n\n\n<li>\u0623\u062f\u0627\u0621 \u062f\u0648\u0631\u0629 \u062d\u0631\u0627\u0631\u064a\u0629 \u0645\u0639\u062a\u0645\u062f<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Frequently_Asked_Questions_FAQ\"><\/span>\u0627\u0644\u0623\u0633\u0626\u0644\u0629 \u0627\u0644\u0634\u0627\u0626\u0639\u0629 (FAQ)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-question-1772588372454\"><strong class=\"schema-faq-question\">\u0633: \u0645\u0627 \u0647\u0648 \u0627\u0644\u0627\u0646\u062d\u0646\u0627\u0621 \u0627\u0644\u0645\u0642\u0628\u0648\u0644 \u0644\u0644\u0648\u062d\u0629 \u0627\u0644\u062f\u0648\u0627\u0626\u0631 \u0627\u0644\u0645\u0637\u0628\u0648\u0639\u0629 (PCB) \u0644\u062a\u062c\u0645\u064a\u0639 BGA\u061f<\/strong> <p class=\"schema-faq-answer\">\u062c: \u0639\u0627\u062f\u0629\u064b \u0645\u0627 \u062a\u0643\u0648\u0646 \u0623\u0642\u0644 \u0645\u0646 0.75\u066a\u060c \u0648\u0644\u0643\u0646 \u0627\u0644\u0645\u062a\u0637\u0644\u0628\u0627\u062a \u062a\u062e\u062a\u0644\u0641 \u062d\u0633\u0628 \u062d\u062c\u0645 \u0627\u0644\u0645\u0643\u0648\u0646 \u0648\u0641\u0626\u0629 \u0627\u0644\u0645\u0648\u062b\u0648\u0642\u064a\u0629.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1772588384749\"><strong class=\"schema-faq-question\">\u0633: \u0647\u0644 \u062a\u0642\u0644\u0644 \u0644\u0648\u062d\u0627\u062a \u0627\u0644\u062f\u0648\u0627\u0626\u0631 \u0627\u0644\u0645\u0637\u0628\u0648\u0639\u0629 \u0627\u0644\u0633\u0645\u064a\u0643\u0629 \u0645\u0646 \u0627\u0644\u062a\u0634\u0648\u0647\u061f<\/strong> <p class=\"schema-faq-answer\">\u062c: \u0639\u0627\u062f\u0629\u064b \u0645\u0627 \u062a\u0643\u0648\u0646 \u0627\u0644\u0623\u0644\u0648\u0627\u062d \u0627\u0644\u0633\u0645\u064a\u0643\u0629 \u0623\u0643\u062b\u0631 \u0645\u0642\u0627\u0648\u0645\u0629 \u0644\u0644\u062a\u0634\u0648\u0647\u060c \u0648\u0644\u0643\u0646 \u0627\u0644\u062a\u0646\u0627\u0633\u0642 \u0641\u064a \u0627\u0644\u062a\u0631\u0627\u0635 \u0648\u062a\u0648\u0627\u0632\u0646 \u0627\u0644\u0646\u062d\u0627\u0633 \u0623\u0643\u062b\u0631 \u0623\u0647\u0645\u064a\u0629 \u0645\u0646 \u0627\u0644\u0633\u0645\u0627\u0643\u0629 \u0648\u062d\u062f\u0647\u0627.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1772588401766\"><strong class=\"schema-faq-question\">\u0633: \u0647\u0644 \u064a\u0645\u0643\u0646 \u0627\u0644\u0642\u0636\u0627\u0621 \u0639\u0644\u0649 \u0627\u0644\u062a\u0648\u0627\u0621 \u0627\u0644\u062e\u0634\u0628\u061f<\/strong> <p class=\"schema-faq-answer\">\u062c: \u0644\u0627. \u0627\u0644\u062a\u0645\u062f\u062f \u0627\u0644\u062d\u0631\u0627\u0631\u064a \u064a\u062a\u0633\u0628\u0628 \u062f\u0627\u0626\u0645\u064b\u0627 \u0641\u064a \u0628\u0639\u0636 \u0627\u0644\u062a\u0634\u0648\u0647. \u0627\u0644\u0647\u062f\u0641 \u0647\u0648 \u0625\u0628\u0642\u0627\u0626\u0647 \u0636\u0645\u0646 \u062d\u062f\u0648\u062f \u0645\u0642\u0628\u0648\u0644\u0629.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1772588428786\"><strong class=\"schema-faq-question\">\u0633: \u0647\u0644 \u0627\u0644\u062a\u0634\u0648\u0647 \u0645\u0634\u0643\u0644\u0629 \u0641\u064a \u0627\u0644\u062a\u0635\u0646\u064a\u0639 \u0623\u0645 \u0641\u064a \u0627\u0644\u062a\u062c\u0645\u064a\u0639\u061f<\/strong> <p class=\"schema-faq-answer\">\u062c: \u0643\u0644\u0627\u0647\u0645\u0627. \u064a\u062a\u062d\u0643\u0645 \u0627\u0644\u062a\u0635\u0646\u064a\u0639 \u0641\u064a \u0627\u0644\u0636\u063a\u0637 \u0627\u0644\u062f\u0627\u062e\u0644\u064a\u060c \u0628\u064a\u0646\u0645\u0627 \u064a\u0624\u062b\u0631 \u0627\u0644\u0645\u0644\u0641 \u0627\u0644\u062d\u0631\u0627\u0631\u064a \u0644\u0644\u062a\u062c\u0645\u064a\u0639 \u0639\u0644\u0649 \u0627\u0644\u062a\u0634\u0648\u0647 \u0623\u062b\u0646\u0627\u0621 \u0625\u0639\u0627\u062f\u0629 \u0627\u0644\u062a\u062f\u0641\u0642.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1772588443972\"><strong class=\"schema-faq-question\">\u0633: \u0643\u064a\u0641 \u064a\u0645\u0643\u0646\u0646\u064a \u0627\u062e\u062a\u0628\u0627\u0631 \u0627\u0644\u0627\u0644\u062a\u0648\u0627\u0621 \u0639\u0646\u062f \u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0625\u0639\u0627\u062f\u0629 \u0627\u0644\u062a\u062f\u0641\u0642\u061f<\/strong> <p class=\"schema-faq-answer\">A: Advanced measurement systems such as shadow moir\u00e9 allow deformation analysis under controlled heating conditions.<\/p> <\/div> <\/div>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"529\" src=\"https:\/\/topfastpcba.com\/wp-content\/uploads\/2026\/03\/PCB-Warpage-1.jpg\" alt=\"\u062a\u0634\u0648\u0647\u0627\u062a \u0644\u0648\u062d\u0627\u062a \u0627\u0644\u062f\u0648\u0627\u0626\u0631 \u0627\u0644\u0645\u0637\u0628\u0648\u0639\u0629\" class=\"wp-image-8366\" srcset=\"https:\/\/topfastpcba.com\/wp-content\/uploads\/2026\/03\/PCB-Warpage-1.jpg 600w, https:\/\/topfastpcba.com\/wp-content\/uploads\/2026\/03\/PCB-Warpage-1-300x265.jpg 300w, https:\/\/topfastpcba.com\/wp-content\/uploads\/2026\/03\/PCB-Warpage-1-14x12.jpg 14w, https:\/\/topfastpcba.com\/wp-content\/uploads\/2026\/03\/PCB-Warpage-1-150x132.jpg 150w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span>\u0627\u0644\u062e\u0627\u062a\u0645\u0629<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u062a\u0634\u0648\u0647 PCB \u0623\u062b\u0646\u0627\u0621 \u0625\u0639\u0627\u062f\u0629 \u0627\u0644\u062a\u062f\u0641\u0642 \u0647\u0648 \u0638\u0627\u0647\u0631\u0629 \u0645\u064a\u0643\u0627\u0646\u064a\u0643\u064a\u0629 \u0646\u0627\u062a\u062c\u0629 \u0639\u0646 \u0639\u062f\u0645 \u062a\u0648\u0627\u0632\u0646 \u0627\u0644\u062a\u0645\u062f\u062f \u0627\u0644\u062d\u0631\u0627\u0631\u064a.<\/p>\n\n\n\n<p>\u064a\u0624\u062b\u0631 \u0628\u0634\u0643\u0644 \u0645\u0628\u0627\u0634\u0631 \u0639\u0644\u0649 <a href=\"https:\/\/topfastpcba.com\/ar\/bga-solder-joint-reliability\/\">\u0645\u0648\u062b\u0648\u0642\u064a\u0629 BGA<\/a>\u060c \u0648\u0633\u0644\u0627\u0645\u0629 \u0648\u0635\u0644\u0627\u062a \u0627\u0644\u0644\u062d\u0627\u0645\u060c \u0648\u0627\u0633\u062a\u0642\u0631\u0627\u0631 \u0627\u0644\u0645\u0646\u062a\u062c \u0639\u0644\u0649 \u0627\u0644\u0645\u062f\u0649 \u0627\u0644\u0637\u0648\u064a\u0644.<\/p>\n\n\n\n<p>\u062a\u062a\u0637\u0644\u0628 \u0625\u062f\u0627\u0631\u0629 \u0627\u0644\u0627\u0644\u062a\u0648\u0627\u0621 \u0627\u0644\u062a\u0646\u0633\u064a\u0642 \u0628\u064a\u0646 \u062a\u0635\u0645\u064a\u0645 PCB \u0648\u0627\u0644\u062a\u062d\u0643\u0645 \u0641\u064a \u0627\u0644\u062a\u0635\u0646\u064a\u0639 \u0648\u062a\u062d\u0633\u064a\u0646 \u0639\u0645\u0644\u064a\u0629 \u0627\u0644\u062a\u062c\u0645\u064a\u0639.<\/p>\n\n\n\n<p>Understanding deformation behavior at elevated temperature\u2014not just room temperature\u2014is essential for modern high-density electronics.<\/p>\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>\u064a\u0628\u062d\u062b \u0647\u0630\u0627 \u0627\u0644\u0645\u0644\u062e\u0635 \u0641\u064a \u0627\u0646\u062d\u0646\u0627\u0621 \u0644\u0648\u062d\u0627\u062a \u0627\u0644\u062f\u0648\u0627\u0626\u0631 \u0627\u0644\u0645\u0637\u0628\u0648\u0639\u0629 (PCB) \u0623\u062b\u0646\u0627\u0621 \u0639\u0645\u0644\u064a\u0629 \u0627\u0644\u0644\u062d\u0627\u0645 \u0628\u0625\u0639\u0627\u062f\u0629 \u0627\u0644\u062a\u062f\u0641\u0642\u060c \u0648\u064a\u0648\u0636\u062d \u0628\u0627\u0644\u062a\u0641\u0635\u064a\u0644 \u0623\u0633\u0628\u0627\u0628\u0647 \u0627\u0644\u062c\u0630\u0631\u064a\u0629 \u0648\u0637\u0631\u0642 \u0642\u064a\u0627\u0633\u0647 \u0648\u062a\u0623\u062b\u064a\u0631\u0647 \u0639\u0644\u0649 \u0645\u0648\u062b\u0648\u0642\u064a\u0629 BGA. \u0648\u064a\u0633\u0644\u0637 \u0627\u0644\u0636\u0648\u0621 \u0639\u0644\u0649 \u0643\u064a\u0641\u064a\u0629 \u062a\u0623\u062b\u064a\u0631 \u0627\u0644\u062a\u0634\u0648\u0647 \u0627\u0644\u0645\u0641\u0631\u0637 \u0639\u0644\u0649 \u0633\u0644\u0627\u0645\u0629 \u0648\u0635\u0644\u0627\u062a \u0627\u0644\u0644\u062d\u0627\u0645 \u0648\u0625\u0646\u062a\u0627\u062c\u064a\u0629 \u0627\u0644\u062a\u062c\u0645\u064a\u0639\u060c \u0648\u064a\u0642\u062f\u0645 \u0625\u0631\u0634\u0627\u062f\u0627\u062a \u0647\u0646\u062f\u0633\u064a\u0629 \u0639\u0645\u0644\u064a\u0629 \u0644\u0644\u062a\u062e\u0641\u064a\u0641 \u0645\u0646 \u0622\u062b\u0627\u0631\u0647 \u0648\u062a\u062d\u0633\u064a\u0646 \u0627\u0644\u0639\u0645\u0644\u064a\u0629.<\/p>","protected":false},"author":2,"featured_media":8367,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10],"tags":[211],"class_list":["post-8364","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry","tag-pcb-warpage"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>PCB Warpage and Reflow Deformation: Causes, Risks and Prevention - TOPFAST<\/title>\n<meta name=\"description\" content=\"Understand PCB warpage during reflow, its root causes, measurement methods, and impact on BGA reliability and assembly yield. 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The goal is to keep it within acceptable limits.","inLanguage":"ar"},"inLanguage":"ar"},{"@type":"Question","@id":"https:\/\/topfastpcba.com\/pcb-warpage-reflow-deformation\/#faq-question-1772588428786","position":4,"url":"https:\/\/topfastpcba.com\/pcb-warpage-reflow-deformation\/#faq-question-1772588428786","name":"Q: Is warpage a fabrication or assembly issue?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"A: It is both. Fabrication controls internal stress, while the assembly thermal profile influences deformation during reflow.","inLanguage":"ar"},"inLanguage":"ar"},{"@type":"Question","@id":"https:\/\/topfastpcba.com\/pcb-warpage-reflow-deformation\/#faq-question-1772588443972","position":5,"url":"https:\/\/topfastpcba.com\/pcb-warpage-reflow-deformation\/#faq-question-1772588443972","name":"Q: How can I test warpage at reflow temperature?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"A: Advanced measurement systems such as shadow moir\u00e9 allow deformation analysis under controlled heating conditions.","inLanguage":"ar"},"inLanguage":"ar"}]}},"_links":{"self":[{"href":"https:\/\/topfastpcba.com\/ar\/wp-json\/wp\/v2\/posts\/8364","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/topfastpcba.com\/ar\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/topfastpcba.com\/ar\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/topfastpcba.com\/ar\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/topfastpcba.com\/ar\/wp-json\/wp\/v2\/comments?post=8364"}],"version-history":[{"count":1,"href":"https:\/\/topfastpcba.com\/ar\/wp-json\/wp\/v2\/posts\/8364\/revisions"}],"predecessor-version":[{"id":8368,"href":"https:\/\/topfastpcba.com\/ar\/wp-json\/wp\/v2\/posts\/8364\/revisions\/8368"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/topfastpcba.com\/ar\/wp-json\/wp\/v2\/media\/8367"}],"wp:attachment":[{"href":"https:\/\/topfastpcba.com\/ar\/wp-json\/wp\/v2\/media?parent=8364"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/topfastpcba.com\/ar\/wp-json\/wp\/v2\/categories?post=8364"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/topfastpcba.com\/ar\/wp-json\/wp\/v2\/tags?post=8364"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}