{"id":6826,"date":"2025-07-07T20:01:18","date_gmt":"2025-07-07T12:01:18","guid":{"rendered":"https:\/\/topfastpcba.com\/?p=6826"},"modified":"2025-10-22T17:04:05","modified_gmt":"2025-10-22T09:04:05","slug":"what-are-some-common-issues-with-pcb-assembly","status":"publish","type":"post","link":"https:\/\/topfastpcba.com\/ar\/what-are-some-common-issues-with-pcb-assembly\/","title":{"rendered":"\u0645\u0627 \u0647\u064a \u0628\u0639\u0636 \u0627\u0644\u0645\u0634\u0643\u0644\u0627\u062a \u0627\u0644\u0634\u0627\u0626\u0639\u0629 \u0641\u064a \u062a\u062c\u0645\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\u061f"},"content":{"rendered":"<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\/what-are-some-common-issues-with-pcb-assembly\/#Common_PCB_Assembly_Issues_and_Systematic_Solutions\" >\u0645\u0634\u0627\u0643\u0644 \u062a\u062c\u0645\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 \u0627\u0644\u0634\u0627\u0626\u0639\u0629 \u0648\u0627\u0644\u062d\u0644\u0648\u0644 \u0627\u0644\u0645\u0646\u0647\u062c\u064a\u0629<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/topfastpcba.com\/ar\/what-are-some-common-issues-with-pcb-assembly\/#1_Soldering_Defects\" >1. \u0639\u064a\u0648\u0628 \u0627\u0644\u0644\u062d\u0627\u0645<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/topfastpcba.com\/ar\/what-are-some-common-issues-with-pcb-assembly\/#2_Component_Damage\" >2.\u062a\u0644\u0641 \u0627\u0644\u0645\u0643\u0648\u0646\u0627\u062a<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/topfastpcba.com\/ar\/what-are-some-common-issues-with-pcb-assembly\/#3_ShortOpen_Circuits\" >3.\u0627\u0644\u062f\u0648\u0627\u0626\u0631 \u0627\u0644\u0642\u0635\u064a\u0631\u0629\/\u0627\u0644\u0645\u0641\u062a\u0648\u062d\u0629<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/topfastpcba.com\/ar\/what-are-some-common-issues-with-pcb-assembly\/#Systematic_Short_Circuit_Solutions\" >\u062d\u0644\u0648\u0644 \u0627\u0644\u062f\u0648\u0627\u0626\u0631 \u0627\u0644\u0642\u0635\u064a\u0631\u0629 \u0627\u0644\u0645\u0646\u0647\u062c\u064a\u0629<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/topfastpcba.com\/ar\/what-are-some-common-issues-with-pcb-assembly\/#Targeted_Open_Circuit_Measures\" >\u062a\u062f\u0627\u0628\u064a\u0631 \u0627\u0644\u062f\u0627\u0626\u0631\u0629 \u0627\u0644\u0645\u0641\u062a\u0648\u062d\u0629 \u0627\u0644\u0645\u0633\u062a\u0647\u062f\u0641\u0629<\/a><\/li><\/ul><\/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\/what-are-some-common-issues-with-pcb-assembly\/#4_Pad_Design_Flaws_An_Overlooked_Critical_Factor\" >4. \u0639\u064a\u0648\u0628 \u062a\u0635\u0645\u064a\u0645 \u0627\u0644\u0648\u0633\u0627\u062f\u0629: \u0639\u0627\u0645\u0644 \u062d\u0627\u0633\u0645 \u062a\u0645 \u062a\u062c\u0627\u0647\u0644\u0647<\/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\/what-are-some-common-issues-with-pcb-assembly\/#5_Multilayer_PCB_Challenges\" >5. \u062a\u062d\u062f\u064a\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 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0637\u0628\u0642\u0627\u062a<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/topfastpcba.com\/ar\/what-are-some-common-issues-with-pcb-assembly\/#6_Modern_Inspection_Technologies\" >6.\u062a\u0642\u0646\u064a\u0627\u062a \u0627\u0644\u0641\u062d\u0635 \u0627\u0644\u062d\u062f\u064a\u062b\u0629<\/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\/what-are-some-common-issues-with-pcb-assembly\/#7_Environment_and_Operations\" >7.\u0627\u0644\u0628\u064a\u0626\u0629 \u0648\u0627\u0644\u0639\u0645\u0644\u064a\u0627\u062a<\/a><\/li><\/ul><\/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\/what-are-some-common-issues-with-pcb-assembly\/#Recommendation\" >\u0627\u0644\u062a\u0648\u0635\u064a\u0629<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Common_PCB_Assembly_Issues_and_Systematic_Solutions\"><\/span>\u0645\u0634\u0627\u0643\u0644 \u062a\u062c\u0645\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 \u0627\u0644\u0634\u0627\u0626\u0639\u0629 \u0648\u0627\u0644\u062d\u0644\u0648\u0644 \u0627\u0644\u0645\u0646\u0647\u062c\u064a\u0629<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u0641\u064a \u0635\u0646\u0627\u0639\u0629 \u0627\u0644\u0625\u0644\u0643\u062a\u0631\u0648\u0646\u064a\u0627\u062a, <a href=\"https:\/\/topfastpcba.com\/ar\/pcb-assembly\/\">\u062a\u062c\u0645\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> \u062a\u0624\u062b\u0631 \u0627\u0644\u062c\u0648\u062f\u0629 \u0628\u0634\u0643\u0644 \u0645\u0628\u0627\u0634\u0631 \u0639\u0644\u0649 \u0623\u062f\u0627\u0621 \u0648\u0645\u0648\u062b\u0648\u0642\u064a\u0629 \u0627\u0644\u0645\u0646\u062a\u062c \u0627\u0644\u0646\u0647\u0627\u0626\u064a. \u0648\u0641\u0642\u064b\u0627 \u0644\u0623\u062d\u062f\u062b \u0625\u062d\u0635\u0627\u0626\u064a\u0627\u062a IPC\u060c \u0641\u0625\u0646 \u0645\u0627 \u064a\u0642\u0631\u0628 \u0645\u0646 35% \u0645\u0646 \u062d\u0627\u0644\u0627\u062a \u0641\u0634\u0644 \u0627\u0644\u0645\u0646\u062a\u062c\u0627\u062a \u0627\u0644\u0645\u0628\u0643\u0631\u0629 \u062a\u0646\u0628\u0639 \u0645\u0646 \u0645\u0634\u0627\u0643\u0644 \u062a\u062c\u0645\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. <\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"1_Soldering_Defects\"><\/span>1. \u0639\u064a\u0648\u0628 \u0627\u0644\u0644\u062d\u0627\u0645<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u062a\u0645\u062b\u0644 \u0645\u0634\u0627\u0643\u0644 \u0627\u0644\u0644\u062d\u0627\u0645 42% \u0645\u0646 \u0639\u064a\u0648\u0628 \u062a\u062c\u0645\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.\u0648\u062a\u0634\u0645\u0644 \u0627\u0644\u0623\u0646\u0648\u0627\u0639 \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629 \u0645\u0627 \u064a\u0644\u064a:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u0648\u0635\u0644\u0627\u062a \u0627\u0644\u0644\u062d\u0627\u0645 \u0627\u0644\u0628\u0627\u0631\u062f<\/strong><\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><em>\u0627\u0644\u062e\u0635\u0627\u0626\u0635<\/em>: \u0633\u0637\u062d \u0644\u062d\u0627\u0645 \u062e\u0634\u0646 \u0648\u0628\u0627\u0647\u062a<\/li>\n\n\n\n<li><em>\u0627\u0644\u0623\u0633\u0628\u0627\u0628<\/em>: \u0639\u062f\u0645 \u0643\u0641\u0627\u064a\u0629 \u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u0644\u062d\u0627\u0645 \u0623\u0648 \u0627\u0644\u0648\u0642\u062a<\/li>\n\n\n\n<li><em>\u0627\u0644\u062d\u0644\u0648\u0644<\/em>\u062a\u062d\u0633\u064a\u0646 \u0627\u0644\u062a\u0634\u0643\u064a\u0644\u0627\u062a \u0627\u0644\u062c\u0627\u0646\u0628\u064a\u0629 \u0644\u0625\u0639\u0627\u062f\u0629 \u0627\u0644\u062a\u062f\u0641\u0642 \u0644\u0636\u0645\u0627\u0646 \u062a\u0648\u0627\u0641\u0642 \u062f\u0631\u062c\u0627\u062a \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u0642\u0635\u0648\u0649 \u0645\u0639 \u0645\u0648\u0627\u0635\u0641\u0627\u062a \u0639\u062c\u064a\u0646\u0629 \u0627\u0644\u0644\u062d\u0627\u0645<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u062a\u0631\u0637\u064a\u0628 \u063a\u064a\u0631 \u0643\u0627\u0641\u064d<\/strong><\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><em>\u0627\u0644\u062e\u0635\u0627\u0626\u0635<\/em>: \u0636\u0639\u0641 \u0627\u0644\u062a\u0631\u0627\u0628\u0637 \u0628\u064a\u0646 \u062e\u064a\u0648\u0637 \u0627\u0644\u0645\u0643\u0648\u0646\u0627\u062a \u0648\u0627\u0644\u0648\u0633\u0627\u062f\u0627\u062a<\/li>\n\n\n\n<li><em>\u0627\u0644\u0623\u0633\u0628\u0627\u0628<\/em>\u0639\u062f\u0645 \u0645\u062d\u0627\u0630\u0627\u0629 \u0645\u0639\u062c\u0648\u0646 \u0627\u0644\u0644\u062d\u0627\u0645 \u0623\u0648 \u0627\u0644\u0623\u0643\u0633\u062f\u0629<\/li>\n\n\n\n<li><em>\u0627\u0644\u062d\u0644\u0648\u0644<\/em>\u0645\u0639\u0627\u064a\u0631\u0629 \u0637\u0627\u0628\u0639\u0627\u062a \u0627\u0644\u0627\u0633\u062a\u0646\u0633\u0644 \u0628\u0627\u0646\u062a\u0638\u0627\u0645 \u0648\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0628\u064a\u0626\u0627\u062a \u0644\u062d\u0627\u0645 \u0645\u062d\u0645\u064a\u0629 \u0628\u0627\u0644\u0646\u064a\u062a\u0631\u0648\u062c\u064a\u0646<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u062a\u062c\u0633\u064a\u0631 \u0627\u0644\u0644\u062d\u0627\u0645<\/strong><\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><em>\u0627\u0644\u062e\u0635\u0627\u0626\u0635<\/em>: \u0627\u0644\u0648\u0635\u0644\u0627\u062a \u0627\u0644\u0645\u0648\u0635\u0644\u0629 \u0628\u064a\u0646 \u0648\u0635\u0644\u0627\u062a \u0627\u0644\u0644\u062d\u0627\u0645 \u0627\u0644\u0645\u062a\u062c\u0627\u0648\u0631\u0629<\/li>\n\n\n\n<li><em>\u0627\u0644\u0623\u0633\u0628\u0627\u0628<\/em>\u0645\u0639\u062c\u0648\u0646 \u0627\u0644\u0644\u062d\u0627\u0645 \u0627\u0644\u0632\u0627\u0626\u062f \u0623\u0648 \u0627\u0644\u062a\u0628\u0627\u0639\u062f \u063a\u064a\u0631 \u0627\u0644\u0643\u0627\u0641\u064a \u0628\u064a\u0646 \u0627\u0644\u0645\u0643\u0648\u0646\u0627\u062a<\/li>\n\n\n\n<li><em>\u0627\u0644\u062d\u0644\u0648\u0644<\/em>\u062a\u062d\u0633\u064a\u0646 \u062a\u0635\u0627\u0645\u064a\u0645 \u0641\u062a\u062d\u0627\u062a \u0627\u0644\u0627\u0633\u062a\u0646\u0633\u0644 \u0648\u062a\u0646\u0641\u064a\u0630 \u0627\u0644\u0625\u0633\u062a\u0646\u0633\u0644 \u0627\u0644\u0645\u062a\u062f\u0631\u062c \u0644\u062a\u0642\u0644\u064a\u0644 \u062d\u062c\u0645 \u0627\u0644\u0644\u062d\u0627\u0645<\/li>\n<\/ul>\n\n\n\n<p><em>\u0646\u0635\u064a\u062d\u0629 \u062e\u0628\u064a\u0631<\/em>: \u062a\u0646\u0641\u064a\u0630 \u0646\u0638\u0627\u0645 \u0645\u0631\u0627\u0642\u0628\u0629 \u0645\u0624\u0634\u0631 \u0646\u0627\u0641\u0630\u0629 \u0627\u0644\u0639\u0645\u0644\u064a\u0629 (PWI) \u0644\u062a\u062a\u0628\u0639 \u0627\u0644\u0645\u0639\u0644\u0645\u0627\u062a \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629 \u0645\u062b\u0644 \u0645\u0646\u062d\u062f\u0631 \u0627\u0644\u062a\u0633\u062e\u064a\u0646 \u0648\u0648\u0642\u062a \u0627\u0644\u0633\u0648\u0627\u0626\u0644 \u0641\u064a \u0627\u0644\u0648\u0642\u062a \u0627\u0644\u0641\u0639\u0644\u064a.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"2_Component_Damage\"><\/span>2.\u062a\u0644\u0641 \u0627\u0644\u0645\u0643\u0648\u0646\u0627\u062a<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u063a\u0627\u0644\u0628\u064b\u0627 \u0645\u0627 \u064a\u0645\u0631 \u062a\u0644\u0641 \u0627\u0644\u0645\u0643\u0648\u0646\u0627\u062a \u0623\u062b\u0646\u0627\u0621 \u0627\u0644\u062a\u062c\u0645\u064a\u0639 \u062f\u0648\u0646 \u0623\u0646 \u064a\u0644\u0627\u062d\u0638\u0647 \u0623\u062d\u062f \u0648\u0644\u0643\u0646\u0647 \u064a\u0624\u062f\u064a \u0625\u0644\u0649 \u0623\u0639\u0637\u0627\u0644 \u0645\u0628\u0643\u0631\u0629 \u0641\u064a \u0627\u0644\u0645\u0646\u062a\u062c:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u062a\u0644\u0641 \u0645\u0627\u0643\u064a\u0646\u0627\u062a \u0627\u0644\u0627\u0644\u062a\u0642\u0627\u0637 \u0648\u0627\u0644\u0627\u0644\u062a\u0642\u0627\u0637<\/strong><\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u064a\u0624\u062f\u064a \u0627\u0644\u0636\u063a\u0637 \u0627\u0644\u0632\u0627\u0626\u062f \u0639\u0644\u0649 \u0627\u0644\u0641\u0648\u0647\u0629 \u0627\u0644\u0645\u0641\u0631\u0637 \u0625\u0644\u0649 \u062a\u0634\u0642\u0642 \u0627\u0644\u0645\u0643\u062b\u0641\u0627\u062a \u0627\u0644\u062e\u0632\u0641\u064a\u0629<\/li>\n\n\n\n<li><em>\u0627\u0644\u062d\u0644<\/em>: \u062a\u0639\u064a\u064a\u0646 \u0636\u063a\u0648\u0637 \u0627\u0644\u0645\u0648\u0636\u0639 \u0627\u0644\u062e\u0627\u0635\u0629 \u0628\u0627\u0644\u0645\u0643\u0648\u0646\u0627\u062a<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u062a\u0644\u0641 \u0627\u0644\u0625\u062c\u0647\u0627\u062f \u0627\u0644\u062d\u0631\u0627\u0631\u064a<\/strong><\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u062a\u0634\u0642\u0642\u0627\u062a \u0643\u0631\u0627\u062a \u0644\u062d\u0627\u0645 BGA \u0628\u0633\u0628\u0628 \u0639\u062f\u0645 \u062a\u0637\u0627\u0628\u0642 CTE \u0623\u062b\u0646\u0627\u0621 \u0625\u0639\u0627\u062f\u0629 \u0627\u0644\u062a\u062f\u0641\u0642<\/li>\n\n\n\n<li><em>\u0627\u0644\u062d\u0644<\/em>: Use staged heating profiles with max ramp rates &lt;3\u00b0C\/s<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u062a\u0644\u0641 ESD<\/strong><\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u062a\u062d\u0644\u0644 MOSFET \u0645\u0646 \u0627\u0644\u062a\u0641\u0631\u064a\u063a \u0627\u0644\u0643\u0647\u0631\u0648\u0633\u062a\u0627\u062a\u064a\u0643\u064a<\/li>\n\n\n\n<li><em>\u0627\u0644\u062d\u0644<\/em>: \u0627\u0644\u062d\u0641\u0627\u0638 \u0639\u0644\u0649 \u0627\u0644\u062d\u0645\u0627\u064a\u0629 \u0645\u0646 \u0627\u0644\u062a\u0641\u0631\u064a\u063a \u0627\u0644\u0643\u0647\u0631\u0648\u0645\u063a\u0646\u0627\u0637\u064a\u0633\u064a \u0627\u0644\u0645\u062a\u0648\u0627\u0641\u0642 \u0645\u0639 \u0645\u0639\u0627\u064a\u064a\u0631 ANSI\/ESD S20.20<\/li>\n<\/ul>\n\n\n\n<p><em>\u0637\u0631\u0642 \u0627\u0644\u062a\u0641\u062a\u064a\u0634<\/em>: \u0628\u0627\u0644\u0646\u0633\u0628\u0629 \u0644\u0644\u062a\u0644\u0641 \u0627\u0644\u062e\u0641\u064a\u060c \u0627\u0633\u062a\u062e\u062f\u0645 \u0627\u0644\u0623\u0634\u0639\u0629 \u0627\u0644\u0633\u064a\u0646\u064a\u0629 \u062b\u0644\u0627\u062b\u064a\u0629 \u0627\u0644\u0623\u0628\u0639\u0627\u062f \u0648\u0627\u0644\u0645\u0633\u062d \u0627\u0644\u0645\u062c\u0647\u0631\u064a \u0627\u0644\u0635\u0648\u062a\u064a (SAM).<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"402\" src=\"https:\/\/topfastpcba.com\/wp-content\/uploads\/2025\/07\/PCB-soldering-2.jpg\" alt=\"\u0628\u064a \u0633\u064a \u0628\u064a \u0625\u064a\u0647\" class=\"wp-image-6827\" srcset=\"https:\/\/topfastpcba.com\/wp-content\/uploads\/2025\/07\/PCB-soldering-2.jpg 600w, https:\/\/topfastpcba.com\/wp-content\/uploads\/2025\/07\/PCB-soldering-2-300x201.jpg 300w, https:\/\/topfastpcba.com\/wp-content\/uploads\/2025\/07\/PCB-soldering-2-150x101.jpg 150w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure>\n<\/div>\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"3_ShortOpen_Circuits\"><\/span>3.\u0627\u0644\u062f\u0648\u0627\u0626\u0631 \u0627\u0644\u0642\u0635\u064a\u0631\u0629\/\u0627\u0644\u0645\u0641\u062a\u0648\u062d\u0629<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Systematic_Short_Circuit_Solutions\"><\/span>\u062d\u0644\u0648\u0644 \u0627\u0644\u062f\u0648\u0627\u0626\u0631 \u0627\u0644\u0642\u0635\u064a\u0631\u0629 \u0627\u0644\u0645\u0646\u0647\u062c\u064a\u0629<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u0627\u0644\u0648\u0642\u0627\u064a\u0629 \u0641\u064a \u0645\u0631\u062d\u0644\u0629 \u0627\u0644\u062a\u0635\u0645\u064a\u0645<\/strong><\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u062a\u062d\u0633\u064a\u0646 \u0627\u0644\u0648\u0633\u0627\u062f\u0629: \u0627\u0633\u062a\u0628\u062f\u0627\u0644 \u0627\u0644\u0648\u0633\u0627\u062f\u0627\u062a \u0627\u0644\u062f\u0627\u0626\u0631\u064a\u0629 \u0628\u0623\u062e\u0631\u0649 \u0628\u064a\u0636\u0627\u0648\u064a\u0629 (\u0632\u064a\u0627\u062f\u0629 \u0627\u0644\u0645\u0633\u0627\u0641\u0627\u062a \u0628\u0646\u0633\u0628\u0629 30%)<\/li>\n\n\n\n<li>\u0642\u0648\u0627\u0639\u062f \u0627\u0644\u062a\u0648\u062c\u064a\u0647:\u0627\u0644\u062d\u0641\u0627\u0638 \u0639\u0644\u0649 \u062a\u0628\u0627\u0639\u062f \u0639\u0631\u0636 \u0627\u0644\u062e\u0637 3 \u0645\u0631\u0627\u062a \u0644\u0644\u0625\u0634\u0627\u0631\u0627\u062a \u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u0633\u0631\u0639\u0629<\/li>\n\n\n\n<li>\u0641\u0635\u0644 \u0627\u0644\u0637\u0627\u0642\u0629:&gt; 1 \u0645\u0645 \u062a\u0628\u0627\u0639\u062f \u0628\u064a\u0646 \u0646\u0637\u0627\u0642\u0627\u062a \u0627\u0644\u062c\u0647\u062f \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u0627\u0644\u062a\u062d\u0643\u0645 \u0641\u064a \u0639\u0645\u0644\u064a\u0629 \u0627\u0644\u0625\u0646\u062a\u0627\u062c<\/strong><\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0627\u0644\u062a\u062d\u0643\u0645 \u0641\u064a \u0633\u0645\u0643 \u0639\u062c\u064a\u0646\u0629 \u0627\u0644\u0644\u062d\u0627\u0645 (25-50 \u0645\u064a\u0643\u0631\u0648\u0646)<\/li>\n\n\n\n<li>\u062a\u0623\u0643\u062f \u0645\u0646 \u0633\u062f\u0648\u062f \u0642\u0646\u0627\u0639 \u0627\u0644\u0644\u062d\u0627\u0645 &gt; 0.1 \u0645\u0645<\/li>\n\n\n\n<li>\u062a\u0646\u0641\u064a\u0630 \u0627\u0644\u0647\u064a\u0626\u0629 \u0627\u0644\u0639\u0631\u0628\u064a\u0629 \u0644\u0644\u062a\u0635\u0646\u064a\u0639 \u0644\u0644\u0643\u0634\u0641 \u0639\u0646 \u0639\u064a\u0648\u0628 \u0627\u0644\u0633\u062f\u0648\u062f<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Targeted_Open_Circuit_Measures\"><\/span>\u062a\u062f\u0627\u0628\u064a\u0631 \u0627\u0644\u062f\u0627\u0626\u0631\u0629 \u0627\u0644\u0645\u0641\u062a\u0648\u062d\u0629 \u0627\u0644\u0645\u0633\u062a\u0647\u062f\u0641\u0629<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u0645\u0634\u0643\u0644\u0627\u062a \u0627\u0644\u062a\u0635\u0641\u064a\u062d<\/strong><\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Maintain through-hole copper thickness \u226525\u03bcm<\/li>\n\n\n\n<li>\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0627\u0644\u0637\u0644\u0627\u0621 \u0627\u0644\u0646\u0628\u0636\u064a \u0644\u062a\u063a\u0637\u064a\u0629 \u0623\u0641\u0636\u0644 \u0644\u062c\u062f\u0627\u0631 \u0627\u0644\u0641\u062a\u062d\u0629<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u0639\u064a\u0648\u0628 \u0627\u0644\u0644\u062d\u0627\u0645<\/strong><\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u062a\u062d\u0633\u064a\u0646 \u0646\u0634\u0627\u0637 \u0645\u0639\u062c\u0648\u0646 \u0627\u0644\u0644\u062d\u0627\u0645 (\u064a\u0648\u0635\u0649 \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0645\u0639\u062c\u0648\u0646 \u0627\u0644\u0644\u062d\u0627\u0645 (RMA) \u0623\u0648 \u0628\u062f\u0648\u0646 \u062a\u0646\u0638\u064a\u0641)<\/li>\n\n\n\n<li>\u062a\u0623\u0643\u062f \u0645\u0646 \u0627\u0633\u062a\u0648\u0627\u0621 \u0631\u0635\u0627\u0635\u0627\u062a \u0627\u0644\u0645\u0643\u0648\u0646\u0627\u062a &lt;0.1 \u0645\u0645<\/li>\n<\/ul>\n\n\n\n<p><em>\u062f\u0631\u0627\u0633\u0629 \u062d\u0627\u0644\u0629<\/em>: \u0642\u0627\u0645\u062a \u0625\u062d\u062f\u0649 \u0627\u0644\u0634\u0631\u0643\u0627\u062a \u0627\u0644\u0645\u0635\u0646\u0639\u0629 \u0644\u0645\u0639\u062f\u0627\u062a \u0627\u0644\u0627\u062a\u0635\u0627\u0644\u0627\u062a \u0628\u062a\u062e\u0641\u064a\u0636 \u0639\u064a\u0648\u0628 \u0627\u0644\u062f\u0648\u0627\u0626\u0631 \u0627\u0644\u0642\u0635\u064a\u0631\u0629 \u0645\u0646 850 \u062c\u0632\u0621 \u0641\u064a \u0627\u0644\u0645\u0644\u064a\u0648\u0646 \u0625\u0644\u0649 120 \u062c\u0632\u0621 \u0641\u064a \u0627\u0644\u0645\u0644\u064a\u0648\u0646 \u0645\u0646 \u062e\u0644\u0627\u0644 \u062a\u062d\u0633\u064a\u0646 \u0642\u0648\u0627\u0639\u062f \u0627\u0644\u062a\u0635\u0645\u064a\u0645.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"4_Pad_Design_Flaws_An_Overlooked_Critical_Factor\"><\/span>4. \u0639\u064a\u0648\u0628 \u062a\u0635\u0645\u064a\u0645 \u0627\u0644\u0648\u0633\u0627\u062f\u0629: \u0639\u0627\u0645\u0644 \u062d\u0627\u0633\u0645 \u062a\u0645 \u062a\u062c\u0627\u0647\u0644\u0647<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u0645\u0642\u0627\u0633 \u0627\u0644\u0648\u0633\u0627\u062f\u0629 \u063a\u064a\u0631 \u0635\u062d\u064a\u062d<\/strong><\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0637\u0648\u0644 \u0648\u0633\u0627\u062f\u0629 SMD = \u0637\u0648\u0644 \u0631\u0635\u0627\u0635 \u0627\u0644\u0645\u0643\u0648\u0651\u0646 + 0.5 \u0645\u0645<\/li>\n\n\n\n<li>\u0639\u0631\u0636 \u0627\u0644\u0648\u0633\u0627\u062f\u0629 = 80-120% \u0645\u0646 \u0639\u0631\u0636 \u0627\u0644\u0631\u0635\u0627\u0635<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u062a\u0635\u0645\u064a\u0645 \u062d\u0631\u0627\u0631\u064a \u0631\u062f\u064a\u0621<\/strong><\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0627\u0633\u062a\u062e\u062f\u0645 \u0648\u0633\u0627\u062f\u0627\u062a \u0627\u0644\u062a\u062e\u0641\u064a\u0641 \u0627\u0644\u062d\u0631\u0627\u0631\u064a \u0644\u0644\u0645\u0643\u0648\u0646\u0627\u062a \u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u0637\u0627\u0642\u0629<\/li>\n\n\n\n<li>\u062d\u0633\u0627\u0628 \u0627\u0644\u0634\u0642\u0648\u0642 \u0627\u0644\u062d\u0631\u0627\u0631\u064a\u0629 (2-3 \u00d7 0.3 \u0645\u0645 \u0644\u0643\u0644 \u062a\u064a\u0627\u0631 1 \u0623\u0645\u0628\u064a\u0631)<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u0645\u0634\u0643\u0644\u0627\u062a \u0642\u0646\u0627\u0639 \u0627\u0644\u0644\u062d\u0627\u0645<\/strong><\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u064a\u062c\u0628 \u0623\u0646 \u062a\u062a\u062c\u0627\u0648\u0632 \u0641\u062a\u062d\u0627\u062a \u0642\u0646\u0627\u0639 \u0627\u0644\u0644\u062d\u0627\u0645 \u0627\u0644\u0648\u0633\u0627\u062f\u0627\u062a \u0628\u0645\u0642\u062f\u0627\u0631 0.05-0.1 \u0645\u0645<\/li>\n\n\n\n<li>\u062a\u062c\u0646\u0628 \u0633\u062f\u0648\u062f \u0623\u0642\u0646\u0639\u0629 \u0627\u0644\u0644\u062d\u0627\u0645 \u0627\u0644\u0636\u064a\u0642\u0629\u060c \u0645\u0645\u0627 \u064a\u062a\u0633\u0628\u0628 \u0641\u064a \u062d\u062f\u0648\u062b \u062c\u0633\u0648\u0631<\/li>\n<\/ul>\n\n\n\n<p><em>\u0641\u062d\u0635 \u0627\u0644\u062a\u0635\u0645\u064a\u0645<\/em>: \u0627\u0633\u062a\u062e\u062f\u0645 \u0628\u0631\u0646\u0627\u0645\u062c Valor NPI \u0644\u062a\u062d\u0644\u064a\u0644 \u0633\u0648\u0642 \u062f\u0628\u064a \u0627\u0644\u0645\u0627\u0644\u064a \u0644\u0627\u0643\u062a\u0634\u0627\u0641 \u0627\u0644\u0645\u0634\u0643\u0644\u0627\u062a \u0645\u0628\u0643\u0631\u064b\u0627.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"5_Multilayer_PCB_Challenges\"><\/span>5. \u062a\u062d\u062f\u064a\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 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0637\u0628\u0642\u0627\u062a<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u062c\u0648\u062f\u0629 \u0627\u0644\u062d\u0641\u0631<\/strong><\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u062a\u0646\u0641\u064a\u0630 \u0625\u062f\u0627\u0631\u0629 \u0639\u0645\u0631 \u0644\u0642\u0645\u0629 \u0627\u0644\u062d\u0641\u0631<\/li>\n\n\n\n<li>\u062a\u062d\u0633\u064a\u0646 \u0627\u0644\u0645\u0639\u0644\u0645\u0627\u062a: 1.5 - 3 \u0645\/\u062f\u0642\u064a\u0642\u0629 \u0645\u0639\u062f\u0644 \u062a\u063a\u0630\u064a\u0629 1.5 - 3 \u0645\/\u062f\u0642\u064a\u0642\u0629\u060c \u0633\u0631\u0639\u0629 80 - 120 \u0643\u064a\u0644\u0648 \u0645\u062a\u0631 \u0641\u064a \u0627\u0644\u062f\u0642\u064a\u0642\u0629<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u0639\u062f\u0645 \u0645\u062d\u0627\u0630\u0627\u0629 \u0627\u0644\u0637\u0628\u0642\u0627\u062a<\/strong><\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0627\u0644\u062a\u0635\u0648\u064a\u0631 \u0627\u0644\u0645\u0628\u0627\u0634\u0631 \u0628\u0627\u0644\u0644\u064a\u0632\u0631 (LDI) \u0644\u062a\u062d\u0633\u064a\u0646 \u0627\u0644\u062a\u0633\u062c\u064a\u0644<\/li>\n\n\n\n<li>\u0623\u0636\u0641 \u0623\u0647\u062f\u0627\u0641 \u0645\u062d\u0627\u0630\u0627\u0629 \u0643\u0627\u0641\u064a\u0629 (\u064a\u0648\u0635\u0649 \u0628\u0625\u0636\u0627\u0641\u0629 3-4 \u0623\u0647\u062f\u0627\u0641 \u0645\u062d\u0627\u0630\u0627\u0629 \u0643\u0627\u0641\u064a\u0629 \u0644\u0643\u0644 \u062c\u0627\u0646\u0628)<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u0634\u0648\u0631\u062a \u0628\u0637\u0628\u0642\u0629 \u062f\u0627\u062e\u0644\u064a\u0629<\/strong><\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Control inner layer etch undercut (&lt;20\u03bcm)<\/li>\n\n\n\n<li>\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0627\u0644\u0647\u064a\u0626\u0629 \u0627\u0644\u0639\u0631\u0628\u064a\u0629 \u0644\u0644\u062a\u0635\u0646\u064a\u0639 \u0644\u0641\u062d\u0635 \u0627\u0644\u0637\u0628\u0642\u0629 \u0627\u0644\u062f\u0627\u062e\u0644\u064a\u0629<\/li>\n<\/ul>\n\n\n\n<p><em>\u0627\u062e\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0648\u0627\u062f<\/em>: Rogers 4350B for high-frequency applications, standard FR-4 Tg150\u00b0C otherwise.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"6_Modern_Inspection_Technologies\"><\/span>6.\u062a\u0642\u0646\u064a\u0627\u062a \u0627\u0644\u0641\u062d\u0635 \u0627\u0644\u062d\u062f\u064a\u062b\u0629<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u0645\u0642\u0627\u0631\u0646\u0629 \u0627\u0644\u0637\u0631\u064a\u0642\u0629 \u0627\u0644\u062a\u0642\u0644\u064a\u062f\u064a\u0629<\/strong> \u0642\u062f\u0631\u0629 \u0627\u0644\u0637\u0631\u064a\u0642\u0629 \u0627\u0644\u0642\u062f\u0631\u0629 \u0627\u0644\u062a\u0643\u0644\u0641\u0629 \u0627\u0644\u0633\u0631\u0639\u0629 AOI \u0639\u064a\u0648\u0628 \u0627\u0644\u0633\u0637\u062d AOI \u0627\u0644\u0639\u064a\u0648\u0628 \u0627\u0644\u0633\u0637\u062d\u064a\u0629 \u0645\u062a\u0648\u0633\u0637 \u0633\u0631\u064a\u0639 \u0627\u0644\u0623\u0634\u0639\u0629 \u0627\u0644\u0633\u064a\u0646\u064a\u0629 \u0627\u0644\u0645\u0641\u0627\u0635\u0644 \u0627\u0644\u0645\u062e\u0641\u064a\u0629 \u0639\u0627\u0644\u064a \u0628\u0637\u064a\u0621 \u0645\u0633\u0628\u0627\u0631 \u0627\u0644\u062a\u062d\u0644\u064a\u0642 \u0627\u062e\u062a\u0628\u0627\u0631\u0627\u062a \u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629 \u0645\u062a\u0648\u0633\u0637 \u0645\u062a\u0648\u0633\u0637<\/li>\n\n\n\n<li><strong>\u0627\u0644\u062a\u0642\u0646\u064a\u0627\u062a \u0627\u0644\u0646\u0627\u0634\u0626\u0629<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0641\u062d\u0635 \u0628\u0635\u0631\u064a \u0645\u062f\u0639\u0648\u0645 \u0628\u0627\u0644\u0630\u0643\u0627\u0621 \u0627\u0644\u0627\u0635\u0637\u0646\u0627\u0639\u064a: &gt; 98% \u062f\u0642\u0629 \u0627\u0643\u062a\u0634\u0627\u0641 \u0627\u0644\u0639\u064a\u0648\u0628 &gt; 98%<\/li>\n\n\n\n<li>\u062a\u062d\u0644\u064a\u0644 \u0627\u0644\u0645\u0639\u0627\u0648\u0642\u0629 \u0627\u0644\u0646\u0627\u0646\u0648\u064a\u0629:\u064a\u0643\u062a\u0634\u0641 \u0627\u0644\u0634\u0642\u0648\u0642 \u0627\u0644\u062f\u0642\u064a\u0642\u0629<\/li>\n\n\n\n<li>\u0627\u0644\u062a\u0635\u0648\u064a\u0631 \u0627\u0644\u062d\u0631\u0627\u0631\u064a \u0627\u0644\u0630\u0643\u064a:\u064a\u062a\u0646\u0628\u0623 \u0628\u0646\u0642\u0627\u0637 \u0627\u0644\u062e\u0637\u0631 \u0642\u0628\u0644 \u0627\u0644\u0637\u0627\u0642\u0629<\/li>\n<\/ul>\n\n\n\n<p><em>\u0646\u0635\u0627\u0626\u062d \u0627\u0633\u062a\u062b\u0645\u0627\u0631\u064a\u0629<\/em>: \u0628\u0627\u0644\u0646\u0633\u0628\u0629 \u0644\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 \u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u062f\u0642\u0629 (HDI PCBs)\u060c \u0642\u0645 \u0628\u0646\u0634\u0631 \u0623\u0646\u0638\u0645\u0629 \u0641\u062d\u0635 \u062b\u0644\u0627\u062b\u064a\u0629 \u0627\u0644\u0623\u0628\u0639\u0627\u062f SPI + \u0627\u0644\u0623\u0634\u0639\u0629 \u0627\u0644\u0633\u064a\u0646\u064a\u0629 + AOI \u0627\u0644\u0645\u062f\u0645\u062c\u0629.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"7_Environment_and_Operations\"><\/span>7.\u0627\u0644\u0628\u064a\u0626\u0629 \u0648\u0627\u0644\u0639\u0645\u0644\u064a\u0627\u062a<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u0645\u062a\u0637\u0644\u0628\u0627\u062a \u0627\u0644\u0645\u0646\u0634\u0623\u0629<\/strong><\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Temperature 23\u00b12\u00b0C, humidity 45\u00b15% RH<\/li>\n\n\n\n<li>\u0627\u0644\u0646\u0638\u0627\u0641\u0629: ISO 14644-1 \u0627\u0644\u0641\u0626\u0629 8 ISO 14644-1<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u0627\u0644\u0645\u0639\u0627\u064a\u064a\u0631 \u0627\u0644\u062a\u0634\u063a\u064a\u0644\u064a\u0629<\/strong><\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0645\u0634\u063a\u0644\u0648\u0646 \u0645\u0639\u062a\u0645\u062f\u0648\u0646 \u0645\u0646 IPC-A-610<\/li>\n\n\n\n<li>\u062d\u0645\u0627\u064a\u0629 \u0634\u0627\u0645\u0644\u0629 \u0645\u0646 \u0627\u0644\u062a\u0641\u0631\u064a\u063a \u0627\u0644\u0643\u0647\u0631\u0648\u0645\u063a\u0646\u0627\u0637\u064a\u0633\u064a \u0627\u0644\u0645\u062a\u0643\u0627\u0645\u0644<\/li>\n\n\n\n<li>\u062a\u0646\u0638\u064a\u0645 \u0645\u0643\u0627\u0646 \u0627\u0644\u0639\u0645\u0644 5S<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u0625\u062f\u0627\u0631\u0629 \u0627\u0644\u0645\u0648\u0627\u062f<\/strong><\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Refrigerate solder paste (0-10\u00b0C), 4-hour reflow before use<\/li>\n\n\n\n<li>\u0627\u0633\u062a\u062e\u062f\u0627\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\u0645\u0641\u062a\u0648\u062d\u0629 \u0641\u064a \u063a\u0636\u0648\u0646 72 \u0633\u0627\u0639\u0629<\/li>\n<\/ul>\n\n\n\n<p><em>\u0642\u0635\u0629 \u0646\u062c\u0627\u062d<\/em>: \u062e\u0641\u0636\u062a \u0625\u062d\u062f\u0649 \u0634\u0631\u0643\u0627\u062a \u062a\u0635\u0646\u064a\u0639 \u0625\u0644\u0643\u062a\u0631\u0648\u0646\u064a\u0627\u062a \u0627\u0644\u0633\u064a\u0627\u0631\u0627\u062a \u0639\u064a\u0648\u0628 \u0627\u0644\u0644\u062d\u0627\u0645 \u0628\u0646\u0633\u0628\u0629 60% \u0645\u0646 \u062e\u0644\u0627\u0644 \u0627\u0644\u062a\u062d\u0633\u064a\u0646\u0627\u062a \u0627\u0644\u0628\u064a\u0626\u064a\u0629.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Recommendation\"><\/span>\u0627\u0644\u062a\u0648\u0635\u064a\u0629<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u0644\u0645\u0639\u0627\u0644\u062c\u0629 \u0645\u0634\u0627\u0643\u0644 \u062a\u062c\u0645\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 \u0628\u0634\u0643\u0644 \u0645\u0646\u0647\u062c\u064a:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u0645\u0631\u062d\u0644\u0629 \u0627\u0644\u062a\u0635\u0645\u064a\u0645<\/strong><\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0627\u062a\u0628\u0639 \u0645\u0639\u0627\u064a\u064a\u0631 IPC<\/li>\n\n\n\n<li>\u0625\u062c\u0631\u0627\u0621 \u062a\u062d\u0644\u064a\u0644 \u0634\u0627\u0645\u0644 \u0644\u0633\u0648\u0642 \u062f\u0628\u064a \u0627\u0644\u0645\u0627\u0644\u064a<\/li>\n\n\n\n<li>\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0645\u0643\u062a\u0628\u0627\u062a \u0627\u0644\u0645\u0643\u0648\u0646\u0627\u062a \u0627\u0644\u062a\u064a \u062a\u0645 \u0627\u0644\u062a\u062d\u0642\u0642 \u0645\u0646 \u0635\u062d\u062a\u0647\u0627<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u0645\u0631\u062d\u0644\u0629 \u0627\u0644\u0625\u0646\u062a\u0627\u062c<\/strong><\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0625\u0646\u0634\u0627\u0621 \u0646\u0642\u0627\u0637 \u0645\u0631\u0627\u0642\u0628\u0629 \u0635\u0627\u0631\u0645\u0629 \u0644\u0644\u0639\u0645\u0644\u064a\u0627\u062a<\/li>\n\n\n\n<li>\u062a\u0646\u0641\u064a\u0630 \u0645\u0631\u0627\u0642\u0628\u0629 SPC<\/li>\n\n\n\n<li>\u0646\u0634\u0631 \u0645\u0639\u062f\u0627\u062a \u0627\u0644\u062a\u0641\u062a\u064a\u0634 \u0627\u0644\u0645\u0646\u0627\u0633\u0628\u0629<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u0625\u062f\u0627\u0631\u0629 \u0634\u0624\u0648\u0646 \u0627\u0644\u0645\u0648\u0638\u0641\u064a\u0646<\/strong><\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0627\u0644\u062a\u062f\u0631\u064a\u0628 \u0627\u0644\u0641\u0646\u064a \u0627\u0644\u0645\u0646\u062a\u0638\u0645<\/li>\n\n\n\n<li>\u0623\u0646\u0638\u0645\u0629 \u0645\u0633\u0627\u0621\u0644\u0629 \u0627\u0644\u062c\u0648\u062f\u0629<\/li>\n\n\n\n<li>\u062a\u0634\u062c\u064a\u0639 \u062b\u0642\u0627\u0641\u0629 \u0627\u0644\u0625\u0628\u0644\u0627\u063a \u0639\u0646 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\u0648\u0627\u0644\u062f\u0648\u0627\u0626\u0631 \u0627\u0644\u0642\u0635\u064a\u0631\u0629\/\u0627\u0644\u062f\u0648\u0627\u0626\u0631 \u0627\u0644\u0645\u0641\u062a\u0648\u062d\u0629. \u0645\u0646 \u062e\u0644\u0627\u0644 \u062a\u062d\u0644\u064a\u0644 \u0623\u0633\u0628\u0627\u0628 \u0647\u0630\u0647 \u0627\u0644\u0645\u0634\u0643\u0644\u0627\u062a \u0648\u062a\u0642\u062f\u064a\u0645 \u062d\u0644\u0648\u0644 \u0639\u0645\u0644\u064a\u0629 \u0628\u062f\u0621\u064b\u0627 \u0645\u0646 \u0645\u0631\u062d\u0644\u0629 \u0627\u0644\u062a\u0635\u0645\u064a\u0645 \u0648\u062d\u062a\u0649 \u0639\u0645\u0644\u064a\u0629 \u0627\u0644\u0625\u0646\u062a\u0627\u062c\u060c \u0628\u0645\u0627 \u0641\u064a \u0630\u0644\u0643 \u0627\u0644\u062a\u0648\u0635\u064a\u0627\u062a \u0627\u0644\u0645\u0647\u0646\u064a\u0629 \u0628\u0634\u0623\u0646 \u062a\u062d\u0633\u064a\u0646 \u0627\u0644\u0644\u0648\u062d\u0629 \u0648\u0642\u0648\u0627\u0639\u062f \u0627\u0644\u062a\u0648\u062c\u064a\u0647 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