{"id":6380,"date":"2017-06-21T08:29:00","date_gmt":"2017-06-21T00:29:00","guid":{"rendered":"\/\/m.letratesoro.com\/?p=6380"},"modified":"2022-02-16T17:09:46","modified_gmt":"2022-02-16T09:09:46","slug":"bga-red-dye","status":"publish","type":"post","link":"\/\/m.letratesoro.com\/2017\/06\/bga-red-dye\/","title":{"rendered":"BGA\u932b\u7403\u65b7\u88c2(crack)\u7684\u7d05\u58a8\u6c34\u6e2c\u8a66\u5224\u65b7\u8207\u73fe\u8c61\u5206\u6790"},"content":{"rendered":"<style type=\"text\/css\"> td {border-style: none; border-color: inherit; border-width: medium; padding-top:1px; padding-right:1px; padding-left:1px; color:black; font-size:11.0pt; font-weight:400; font-style:normal; text-decoration:none; font-family:calibri, sans-serif; text-align:general; vertical-align:bottom; white-space:nowrap; } .font9 {color:#0033cc; font-size:10.0pt; font-weight:700; font-style:normal; text-decoration:none; font-family:\u5fae\u8edf\u6b63\u9ed1\u9ad4, sans-serif; } .font8 {color:black; font-size:10.0pt; font-weight:400; font-style:normal; text-decoration:none; font-family:\u5fae\u8edf\u6b63\u9ed1\u9ad4, sans-serif; } .font6 {color:red; font-size:11.0pt; font-weight:400; font-style:normal; text-decoration:none; font-family:\u5fae\u8edf\u6b63\u9ed1\u9ad4, sans-serif; } .font5 {color:black; font-size:11.0pt; font-weight:400; font-style:normal; text-decoration:none; font-family:\u5fae\u8edf\u6b63\u9ed1\u9ad4, sans-serif; } .font7 {color:#0033cc; font-size:11.0pt; font-weight:400; font-style:normal; text-decoration:none; font-family:\u5fae\u8edf\u6b63\u9ed1\u9ad4, sans-serif; } .style1 { color: black; font-size: 11.0pt; font-weight: 400; font-style: normal; text-decoration: none; font-family: calibri, sans-serif; text-align: general; vertical-align: bottom; white-space: nowrap; border: .5pt solid windowtext; padding-left: 1px; padding-right: 1px; padding-top: 1px; } .style2 { color: black; font-size: 10.0pt; font-weight: 400; font-style: normal; text-decoration: none; font-family: \u5fae\u8edf\u6b63\u9ed1\u9ad4, sans-serif; text-align: general; vertical-align: middle; white-space: nowrap; border-style: none; border-color: inherit; border-width: medium; padding-left: 1px; padding-right: 1px; padding-top: 1px; } .style3 { color: black; font-size: 8.0pt; font-weight: 400; font-style: normal; text-decoration: none; font-family: calibri, sans-serif; text-align: general; vertical-align: bottom; white-space: nowrap; border-style: none; border-color: inherit; border-width: medium; padding-left: 1px; padding-right: 1px; padding-top: 1px; } .style4 { color: black; font-size: 11.0pt; font-weight: 400; font-style: normal; text-decoration: none; font-family: calibri, sans-serif; text-align: general; vertical-align: bottom; white-space: nowrap; border-style: none; border-color: inherit; border-width: medium; padding-left: 1px; padding-right: 1px; padding-top: 1px; background: red; } .style5 { color: black; font-size: 11.0pt; font-weight: 400; font-style: normal; text-decoration: none; font-family: calibri, sans-serif; text-align: general; vertical-align: bottom; white-space: nowrap; border-style: none; border-color: inherit; border-width: medium; padding-left: 1px; padding-right: 1px; padding-top: 1px; background: yellow; } .style6 { color: black; font-size: 11.0pt; font-weight: 400; font-style: normal; text-decoration: none; font-family: calibri, sans-serif; text-align: general; vertical-align: bottom; white-space: nowrap; border-style: none; border-color: inherit; border-width: medium; padding-left: 1px; padding-right: 1px; padding-top: 1px; background: #00ccff; } .style7 { color: black; font-size: 11.0pt; font-weight: 400; font-style: normal; text-decoration: none; font-family: calibri, sans-serif; text-align: general; vertical-align: bottom; white-space: nowrap; border-style: none; border-color: inherit; border-width: medium; padding-left: 1px; padding-right: 1px; padding-top: 1px; background: #00b050; }<\/style>\n<p><img loading=\"lazy\" decoding=\"async\" title=\"BGA\u932b\u7403\u65b7\u88c2(crack)\u7684\u7d05\u58a8\u6c34\u6e2c\u8a66\u5224\u65b7\u8207\u73fe\u8c61\u5206\u6790\" style=\"border-width: 0px; padding-top: 0px; padding-right: 0px; padding-left: 0px; display: inline; background-image: none;\" border=\"0\" alt=\"BGA\u932b\u7403\u65b7\u88c2(crack)\u7684\u7d05\u58a8\u6c34\u6e2c\u8a66\u5224\u65b7\u8207\u73fe\u8c61\u5206\u6790\" src=\"\/\/m.letratesoro.com\/wp-content\/uploads\/BGA_crack_judgement_side.png\" width=\"590\" height=\"330\" \/><\/p>\n<p align=\"justify\"><font size=\"4\">BGA-IC\u529f\u80fd\u4e0d\u826f\u771f\u7684\u662f\u5f88\u591a\u96fb\u5b50\u516c\u53f8\u7684\u75db\uff0c\u5c24\u5176\u73fe\u5728\u7684CPU\u5e7e\u4e4e\u5168\u90fd\u63a1\u7528BGA\u5c01\u88dd\uff0c\u7576\u6709\u958b\u6a5f\u4e0d\u826f\u54c1\u5f9e\u5ba2\u6236\u7aef\u9000\u56de\uff0c\u9700\u8981\u5206\u6790\u4e0d\u826f\u539f\u56e0\u6642\uff0c\u6700\u5e38\u63a1\u7528\u7684\u5c31\u662f<\/font><strong><font color=\"#0000ff\" size=\"4\">\u7d05\u58a8\u6c34\u6e2c\u8a66(Red Dye Test)<\/font><\/strong><font size=\"4\">\u6cd5\u4e86\uff0c\u56e0\u70ba<span class=\"YELLOW_UNDERLINE\">\u7d05\u58a8\u6c34\u6e2c\u8a66\u7684\u597d\u8655\u662f\u53ef\u4ee5\u8b93\u4eba\u4e00\u76ee\u4e86\u7136\uff0c\u77ad\u89e3\u6574\u9846BGA\u5728\u54ea\u4e9b\u4f4d\u7f6e\u6709\u932b\u7403\u767c\u751f\u4e86\u88c2\u7e2b(crack)\u554f\u984c<\/span>\uff0c\u65b9\u4fbf\u88fd\u7a0b\u53ca\u7814\u767c\u55ae\u4f4d\u5feb\u901f\u4e86\u89e3\u53ef\u80fd\u539f\u56e0\u8207\u53ef\u80fd\u7684\u61c9\u529b(Stress)\u4f86\u6e90\u3002<\/font><\/p>\n<p align=\"justify\"><font size=\"4\">\u4e0d\u904e\uff0c\u9019<span class=\"RED_UNDERLINE\">\u7d05\u58a8\u6c34\u6e2c\u8a66\u5176\u5be6\u662f\u4e00\u7a2e\u7834\u58de\u6027\u6e2c\u8a66<\/span>\uff0c\u5efa\u8b70\u4e00\u5b9a\u8981\u7b49\u5230\u6240\u6709\u975e\u7834\u58de\u6027\u7684\u53ef\u884c\u65b9\u6848\u90fd\u8a66\u904e\u4e86\uff0c\u6700\u5f8c\u624d\u505a\u9019\u500b\u7d05\u58a8\u6c34\u7834\u58de\u6027\u6e2c\u8a66\u3002\u505a\u904e\u7d05\u58a8\u6c34\u6e2c\u8a66\u7684\u6a23\u54c1\uff0c\u7406\u8ad6\u4e0a\u9084\u662f\u53ef\u4ee5\u518d\u62ff\u53bb\u505a\u5207\u7247(Cross-Section)\u505a\u9032\u4e00\u6b65\u7684SEM(Scanning Electron Microscope)\u986f\u5fae\u7167\u76f8\u53caEDX(Energy-Dispersive X-ray spectroscopy)\u91d1\u5c6c\u5143\u7d20\u5206\u6790\uff0c\u4f46\u6a23\u54c1\u7562\u7adf\u5df2\u5728\u7d05\u58a8\u6c34\u6e2c\u8a66\u6642\u66fe\u7d93\u904e\u5916\u529b\u7834\u58de\uff0c\u800c\u4e14\u90e8\u5206\u5340\u57df\u53ef\u80fd\u88ab\u7d05\u58a8\u6c34\u6216\u5176\u4ed6\u7269\u8cea\u6c59\u67d3\uff0c\u4e5f\u5c31\u662f\u5df2\u975e\u7b2c\u4e00\u73fe\u5834\uff0c\u6240\u4ee5\u5f8c\u7e8c\u7684\u5206\u6790\u7d50\u679c\u5c31\u6703\u88ab\u6301\u4ee5\u4fdd\u7559\u614b\u5ea6\u3002<\/font><\/p>\n<p><!--more--><\/p>\n<p align=\"justify\"><font size=\"4\">\u53e6\u5916\uff0c\u7d05\u58a8\u6c34\u6e2c\u8a66\u7121\u6cd5\u5224\u65b7PCB\u5167\u5c64\u662f\u5426\u6709\u554f\u984c\uff0c\u6709\u4e9b\u4e0d\u826f\u539f\u56e0\u53ef\u80fd\u662fPCB\u7684\u5c0e\u901a\u5b54(via)\u65b7\u88c2\uff0c\u6216\u662f<a href=\"\/\/m.letratesoro.com\/2014\/12\/caf\/\" target=\"_blank\" rel=\"noopener\">\u5167\u5c64\u5fae\u77ed\u8def(CAF, Conductive Anodic Filament)<\/a>\u6240\u9020\u6210\uff0c\u4e00\u65e6\u505a\u4e86\u7d05\u58a8\u6c34\u6e2c\u8a66\uff0c\u9019\u4e9b\u73fe\u8c61\u5c31\u53ef\u80fd\u6703\u6d88\u5931\u6216\u88ab\u7834\u58de\u3002<\/font><\/p>\n<p align=\"justify\"><font size=\"4\">\u6240\u4ee5\uff0c\u4e00\u822c\u6bd4\u8f03\u8b39\u614e\u7684\u4f5c\u6cd5\u662f\u5148\u7528\u96fb\u6027\u6e2c\u8a66\u7684\u624b\u6cd5\uff0c\u76e1\u53ef\u80fd\u627e\u5230\u662f\u90a3\u5e7e\u9846\u932b\u7403\u8207\u7dda\u8def\u53ef\u80fd\u51fa\u73fe\u4e86\u554f\u984c\uff0c\u7136\u5f8c\u62bd\u7d72\u525d\u7e6d\uff0c\u4e00\u6b65\u6b65\u7684\u6392\u67e5\u7e2e\u5c0f\u53ef\u80fd\u7bc4\u570d\uff0c\u6700\u597d\u9084\u8981\u5206\u5f97\u51fa\u4f86\u662f\u958b\u8def\u9084\u662f\u77ed\u8def\uff0c\u6700\u5f8c\u76f4\u63a5\u505a\u5207\u7247\uff0c\u76f4\u6417\u9ec3\u9f8d\uff0c\u4e00\u64f2\u4e2d\u7684\u3002<\/font><\/p>\n<p align=\"justify\"><font size=\"4\">\u4e0d\u904e\u672c\u4eba\u9084\u662f\u4ee5\u7d05\u58a8\u6c34\u8a66\u9a57\u70ba\u6e96\u4f86\u505a\u8aaa\u660e\uff0c\u4e0b\u9762\u662f\u4e00\u822c\u5be6\u9a57\u5ba4(lab)\u505a\u7d05\u58a8\u6c34\u8a66\u9a57\u5f8c\u6240\u51fa\u7684\u5831\u544a\u683c\u5f0f\uff0c\u6709\u4e9b\u5be6\u9a57\u5ba4\u53ef\u80fd\u6703\u6709\u5c11\u8a31\u7684\u4e0d\u540c\uff0c\u4f46\u8868\u793a\u65b9\u6cd5\u90fd\u5927\u540c\u5c0f\u7570\u3002<\/font><\/p>\n<p><font color=\"#0000ff\" size=\"5\"><strong>BGA\u7d05\u58a8\u6c34\u932b\u7403\u65b7\u88c2\u9762Type\u8868\u793a\uff1a<\/strong><\/font><\/p>\n<p align=\"justify\"><font size=\"4\">\u914d\u5408\u6700\u4e0a\u9762\u7684BGA\u932b\u7403\u65b7\u88c2\u9762\u7684\u5716\u793a\uff0c\u4e0b\u9762\u7528\u984f\u8272\u4f86\u4ee3\u8868\u932b\u7403(ball)\u7684\u65b7\u88c2\u9762\u3002<\/font><\/p>\n<table style=\"width: 411pt; border-collapse: collapse;\" cellspacing=\"0\" cellpadding=\"0\" width=\"548\" border=\"0\">\n<colgroup>\n<col style=\"width: 16pt; mso-width-source: userset; mso-width-alt: 768;\" width=\"21\" \/>\n<col style=\"width: 6pt; mso-width-source: userset; mso-width-alt: 292;\" width=\"8\" \/>\n<col style=\"width: 35pt; mso-width-source: userset; mso-width-alt: 1718;\" width=\"47\" \/>\n<col style=\"width: 179pt; mso-width-source: userset; mso-width-alt: 8740;\" width=\"239\" \/>\n<col style=\"width: 175pt; mso-width-source: userset; mso-width-alt: 8521;\" width=\"233\" \/><\/colgroup>\n<tbody>\n<tr style=\"height: 15pt;\" height=\"20\">\n<td class=\"style1\" style=\"width: 16pt; height: 15pt;\" height=\"20\" width=\"21\">&#160;<\/td>\n<td style=\"width: 6pt;\" width=\"8\">&#160;<\/td>\n<td class=\"style2\" style=\"width: 35pt;\" width=\"47\">Type 0<\/td>\n<td class=\"style2\" style=\"width: 179pt;\" width=\"239\">\u932b\u7403\u7121\u88c2\u7e2b<\/td>\n<td class=\"style2\" style=\"width: 175pt;\" width=\"233\">&#160;<\/td>\n<\/tr>\n<tr style=\"height: 11.25pt;\" height=\"15\">\n<td class=\"style3\" style=\"height: 11.25pt;\" height=\"15\">&#160;<\/td>\n<td class=\"style3\">&#160;<\/td>\n<td class=\"style3\">&#160;<\/td>\n<td class=\"style3\">&#160;<\/td>\n<td class=\"style3\">&#160;<\/td>\n<\/tr>\n<tr style=\"height: 15pt;\" height=\"20\">\n<td class=\"style4\" style=\"height: 15pt;\" height=\"20\">&#160;<\/td>\n<td>&#160;<\/td>\n<td class=\"style2\">Type 1<\/td>\n<td class=\"style2\">\u88c2\u7e2b\u767c\u751f\u5728\u932b\u7403\u8207\u96f6\u4ef6\u710a\u588a<font class=\"font9\">\u5e95<\/font><font class=\"font8\">\u5c64\u4e4b\u9593\u3002<\/font><\/td>\n<td class=\"style2\">\u96f6\u4ef6\u710a\u588a\u8207\u672c\u9ad4\u525d\u96e2\u3002\u710a\u932b\u6027\u826f\u597d\u3002<\/td>\n<\/tr>\n<tr style=\"height: 11.25pt;\" height=\"15\">\n<td class=\"style3\" style=\"height: 11.25pt;\" height=\"15\">&#160;<\/td>\n<td class=\"style3\">&#160;<\/td>\n<td class=\"style3\">&#160;<\/td>\n<td class=\"style3\">&#160;<\/td>\n<td class=\"style3\">&#160;<\/td>\n<\/tr>\n<tr style=\"height: 15pt;\" height=\"20\">\n<td class=\"style5\" style=\"height: 15pt;\" height=\"20\">&#160;<\/td>\n<td>&#160;<\/td>\n<td class=\"style2\">Type 2<\/td>\n<td class=\"style2\">\u88c2\u7e2b\u767c\u751f\u5728\u932b\u7403\u8207\u96f6\u4ef6\u710a\u588a<font class=\"font6\">\u8868<\/font><font class=\"font5\">\u5c64\u4e4b\u9593\u3002<\/font><\/td>\n<td class=\"style2\">\u96f6\u4ef6\u710a\u588a\u5b8c\u6574\uff0c\u65b7\u88c2\u5728\u96f6\u4ef6\u7aef\u710a\u932b\u9762\u3002<\/td>\n<\/tr>\n<tr style=\"height: 11.25pt;\" height=\"15\">\n<td class=\"style3\" style=\"height: 11.25pt;\" height=\"15\">&#160;<\/td>\n<td class=\"style3\">&#160;<\/td>\n<td class=\"style3\">&#160;<\/td>\n<td class=\"style3\">&#160;<\/td>\n<td class=\"style3\">&#160;<\/td>\n<\/tr>\n<tr style=\"height: 15pt;\" height=\"20\">\n<td class=\"style6\" style=\"height: 15pt;\" height=\"20\">&#160;<\/td>\n<td>&#160;<\/td>\n<td class=\"style2\">Type 3<\/td>\n<td class=\"style2\">\u88c2\u7e2b\u767c\u751f\u5728\u932b\u7403\u8207PCB\u710a\u588a<font class=\"font6\">\u8868<\/font><font class=\"font5\">\u5c64\u4e4b\u9593\u3002<\/font><\/td>\n<td class=\"style2\">PCB\u710a\u588a\u5b8c\u6574\uff0c\u65b7\u88c2\u5728PCB\u7aef\u710a\u932b\u9762\u3002<\/td>\n<\/tr>\n<tr style=\"height: 11.25pt;\" height=\"15\">\n<td class=\"style3\" style=\"height: 11.25pt;\" height=\"15\">&#160;<\/td>\n<td class=\"style3\">&#160;<\/td>\n<td class=\"style3\">&#160;<\/td>\n<td class=\"style3\">&#160;<\/td>\n<td class=\"style3\">&#160;<\/td>\n<\/tr>\n<tr style=\"height: 15pt;\" height=\"20\">\n<td class=\"style7\" style=\"height: 15pt;\" height=\"20\">&#160;<\/td>\n<td>&#160;<\/td>\n<td class=\"style2\">Type 4<\/td>\n<td class=\"style2\">\u88c2\u7e2b\u767c\u751f\u5728\u932b\u7403\u8207PCB\u710a\u588a<font class=\"font7\">\u5e95<\/font><font class=\"font5\">\u5c64\u4e4b\u9593\u3002<\/font><\/td>\n<td class=\"style2\">\u710a\u588a\u8207PCB\u672c\u9ad4\u525d\u96e2\u3002\u710a\u932b\u6027\u826f\u597d\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p> <\/p>\n<p align=\"justify\"><font size=\"4\">\u4ee5\u4e0a\u7684\u5206\u985e\u4e2d\u9084\u7f3a\u5c11\u4e00\u6a23\uff0c\u5c31\u662f\u88c2\u7e2b\u767c\u751f\u5728\u932b\u7403\u7684\u4e2d\u9593\uff0c\u4e00\u822c\u4f86\u8aaa\u7d05\u58a8\u6c34\u6e2c\u8a66(Red-Dye)\u5982\u679c\u767c\u73fe\u6709\u7e2b\u9699\u767c\u751f\u5728\u932b\u7403\u7684\u4e2d\u9593\uff0c\u5c31\u6709\u5f88\u5927\u7684\u53ef\u80fd\u6027\u662fSMT\u6709\u554f\u984c\uff0c\u53ef\u80fd\u662f<a href=\"\/\/m.letratesoro.com\/2012\/02\/bga-hip\/\" target=\"_blank\" rel=\"noopener\">HiP(Head-in-Pillow)\/HoP(Head-on-Pillow)<\/a>\u73fe\u8c61\u6216\u932b\u7403\u5167\u5b54\u6d1e(Void)\u904e\u5927\u9020\u6210\u65b7\u88c2\u3002<\/font><\/p>\n<p align=\"justify\"><font size=\"4\">\u5982\u679c\u662fType 1 \u6216 4 \u7e2b\u9699\u767c\u751f\u5728\u710a\u588a\u5e95\u5c64\uff0c\u4e00\u822c\u8a8d\u70ba\u662f\u61c9\u529b(Stress)\u6240\u9020\u6210\u7684\u6a5f\u7387\u6700\u5927\uff0c\u800c\u61c9\u529b\u53ef\u80fd\u4f86\u81eaPCB\u677f\u5f4e\uff0c\u7d44\u88dd\u88fd\u7a0b\u4e2d\u61c9\u529b\uff08\u6bd4\u5982\u8aaa\u9396\u87ba\u7d72\u3001\u91dd\u5e8a\u6e2c\u8a66\uff09\uff0c\u4f7f\u7528\u8005\u5f4e\u66f2\u7522\u54c1\uff0c\u6216\u4f7f\u7528\u8005\u4e0d\u5c0f\u5fc3\u6454\u843d\u684c\u9762\u6216\u5730\u9762\u9396\u9020\u6210\u3002<\/font><font size=\"4\">\u96d6\u7136\u5df2\u7d93\u53ef\u4ee5\u8b49\u660e\u710a\u932b(Solderability)\u6c92\u6709\u554f\u984c\uff0c\u4f46\u4e5f\u4e0d\u6392\u9664\u96f6\u4ef6\u6216PCB\u7d93\u904e\u591a\u6b21\u56de\u710a\u9ad8\u6eab\u6d17\u79ae\u5f8c\u9020\u6210\u710a\u588a\u7684Bonding-Force\u964d\u4f4e\u7684\u5f71\u97ff\uff0c\u4e00\u822c\u4f86\u8aaa\u710a\u588a\u90fd\u53ef\u4ee5\u5728\u4e09\u6b21\u4ee5\u5167\u6b63\u5e38\u710a\u932b\u800c\u4e0d\u6703\u812b\u843d\uff0c\u5982\u679cPCB\u6216BGA\u96f6\u4ef6\u7d93\u904e\u591a\u6b21\u91cd\u5de5\u6216\u4e0d\u7576\u9ad8\u6eab\uff0c\u4e5f\u6709\u5f88\u5927\u53ef\u80fd\u9020\u6210\u710a\u588a\u812b\u843d\u7684\u73fe\u8c61\u3002<\/font><\/p>\n<p align=\"justify\"><font size=\"4\">\u5982\u679c\u662fType 2 \u6216 3 \u7e2b\u9699\u767c\u751f\u5728\u710a\u588a\u8868\u5c64\uff0c\u4e00\u822c\u8a8d\u70ba\u4e5f\u662f\u61c9\u529b(Stress)\u6240\u9020\u6210\u7684\u6a5f\u7387\u6700\u5927\uff0c\u5176\u6b21\u4e5f\u6709\u53ef\u80fd\u662f\u300c<a href=\"\/\/m.letratesoro.com\/2016\/04\/bga-nwo\/\" target=\"_blank\" rel=\"noopener\">NWO(Non-Wet-Open)<\/a>\u300d\u710a\u932b\u554f\u984c\u6240\u9020\u6210\uff0c\u6b63\u5e38\u60c5\u6cc1\u4e0b\u7531\u6709\u7d93\u9a57\u7684\u5de5\u7a0b\u5e2b\u5728\u986f\u5fae\u93e1\u4e0b\u89c0\u5bdf\u5c31\u53ef\u4ee5\u5224\u65b7\u662f\u5426\u8207\u710a\u932b\u6709\u95dc\uff0c\u65b7\u88c2\u9762\u5982\u679c\u5c64\u5149\u6ed1\u4eae\u9762\u5247\u53ef\u80fd\u70ba\u710a\u932b\u554f\u984c\uff0c\u5982\u679c\u5224\u65b7\u4e0d\u51fa\u4f86\u5c31\u5fc5\u9808\u518d\u9032\u4e00\u6b65\u505a\u5207\u7247(Cross-Section)\uff0c\u6aa2\u67e5<a href=\"\/\/m.letratesoro.com\/2014\/03\/soldering-strength-imc\/\" target=\"_blank\" rel=\"noopener\">IMC(Intermetallic Component)<\/a>\u7684\u751f\u6210\u88dd\u6cc1\u4ee5\u505a\u5224\u65b7\uff0c\u5982\u679c\u662fENIG\u7684\u7248\u5b50\uff0c\u53ef\u80fd\u9084\u5f97\u6253EDX\u770b\u662f\u5426\u6709\u300c<a href=\"\/\/m.letratesoro.com\/2016\/09\/enig-black-pad\/\" target=\"_blank\" rel=\"noopener\">\u9ed1\u588a(Black pad)<\/a>\u300d\u73fe\u8c61\uff0c\u4e0d\u904e\u5982\u679c\u662f\u9ed1\u588a\u4e5f\u4e0d\u61c9\u8a72\u53ea\u6709BGA\u6709\u554f\u984c\uff0c\u5176\u4ed6\u96f6\u4ef6\u591a\u591a\u5c11\u5c11\u4e5f\u6703\u51fa\u73fe\u554f\u984c\u624d\u5c0d\uff1f<\/font><\/p>\n<p><font size=\"4\">\u5ef6\u4f38\u95b1\u8b80\uff1a      <br \/><\/font><a href=\"\/\/m.letratesoro.com\/2015\/07\/bga-design-prevent-crack\/\"><font size=\"4\">\u5982\u4f55\u5f9e\u8a2d\u8a08\u7aef\u5f37\u5316<b>BGA<\/b>\u4ee5\u9632\u6b62\u5176\u710a\u9ede\u958b\u88c2\uff1f<\/font><\/a>     <br \/><a href=\"\/\/m.letratesoro.com\/2016\/11\/red-dye-bga-crack\/\"><font size=\"4\">\u5982\u4f55\u5f9e\u7d05\u58a8\u6c34\u6e2c\u8a66\u4e2d\u5224\u65b7BGA\u958b\u88c2\u7684\u4e0d\u826f\u539f\u56e0<\/font><\/a>     <br \/><a href=\"\/\/m.letratesoro.com\/2015\/12\/bga-crack-solution\/\"><font size=\"4\">[\u6848\u4f8b]<b>BGA<\/b>\u932b\u7403\u958b\u88c2\u4e0d\u826f\uff0c\u5229\u7528\u61c9\u8b8a\u8a08\u78ba\u8a8d\u6a5f\u69cb\u8a2d\u8b8a\u5c0d\u7b56\u524d\u5f8c\u6539\u5584<\/font><\/a>     <br \/><a href=\"\/\/m.letratesoro.com\/2017\/01\/strain-gauge\/\"><font size=\"4\">BGA\u932b\u88c2\uff0c\u4f7f\u7528\u61c9\u8b8a\u7247(Strain Gauge)\u91cf\u6e2c\u96fb\u8def\u677f\u5230\u5e95\u90a3\u500b\u74b0\u7bc0\u7522\u751f\u8f03\u5927\u8b8a\u5f62\u91cf<\/font><\/a><\/p>\n<p><font color=\"#0000ff\" size=\"5\"><strong>BGA\u7d05\u58a8\u6c34\u932b\u7403\u65b7\u88c2\u767e\u5206\u6bd4Type\u8868\u793a(%)\uff1a<\/strong><\/font><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" title=\"BGA_crack_judgement_percentage\" style=\"border-width: 0px; padding-top: 0px; padding-right: 0px; padding-left: 0px; display: inline; background-image: none;\" border=\"0\" alt=\"BGA_crack_judgement_percentage\" src=\"\/\/m.letratesoro.com\/wp-content\/uploads\/BGA_crack_judgement_percentage.png\" width=\"570\" height=\"185\" \/><\/p>\n<ul>\n<li><font size=\"4\">Type 0: \u932b\u7403\u7121\u88c2\u7e2b<\/font> <\/li>\n<li><font size=\"4\">Type A:&#160; \u932b\u7403\u88c2\u7e2b\u4ecb\u65bc\u932b\u7403\u7e3d\u9762\u7a4d\u76841\uff5e25%\u3002\u8996\u72c0\u6cc1\u5224\u65b7\u53ef\u63a5\u53d7\u8207\u5426\u3002<\/font> <\/li>\n<li><font size=\"4\">Type B: \u932b\u7403\u88c2\u7e2b\u4ecb\u65bc\u932b\u7403\u7e3d\u9762\u7a4d\u768425~50%\u3002\u4e0d\u53ef\u63a5\u53d7\u3002<\/font> <\/li>\n<li><font size=\"4\">Type C: \u932b\u7403\u88c2\u7e2b\u4ecb\u65bc\u932b\u7403\u7e3d\u9762\u7a4d\u768450\uff5e75%\u3002\u4e0d\u53ef\u63a5\u53d7\u3002<\/font> <\/li>\n<li><font size=\"4\">Type D: \u932b\u7403\u88c2\u7e2b\u4ecb\u65bc\u932b\u7403\u7e3d\u9762\u7a4d\u768475\uff5e100%\u3002\u4e0d\u53ef\u63a5\u53d7\u3002<\/font> <\/li>\n<\/ul>\n<p align=\"justify\"><font size=\"4\">\u6b63\u5e38\u4f86\u8aaa\u53ea\u8981BGA\u7684\u932b\u7403\u6709\u88c2\u7e2b\u5c31\u4e0d\u80fd\u63a5\u53d7\uff0c\u53ea\u662f\u6709\u4e9b\u88c2\u7e2b\u662f\u56e0\u70ba\u932b\u7403\u4e2d\u7684\u7a7a\u6d1e\/\u6c23\u6ce1\u6240\u9020\u6210\uff0c<\/font><font size=\"4\">\u6839\u64da IPC-7095B 7.5.1.7\u898f\u683c\u66f4\u65b0\uff0c\u73fe\u5728BGA\u932b\u7403\u5167\u7684\u6c23\u6ce1\u6e96\u7d71\u4e00\u8981\u6c42\u8981\u4e0d\u5f97\u5927\u65bc25%(\u76f4\u5f91)\u62166.25%(\u9762\u7a4d)\u3002<\/font><\/p>\n<p><font color=\"#0000ff\" size=\"5\"><strong>BGA\u7d05\u58a8\u6c34\u6e2c\u8a66\u932b\u7403\u65b7\u88c2\u5c0d\u7167\u8868\uff1a<\/strong><\/font><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" title=\"Red-Dye_BGA_crack_failure_summary\" style=\"border-width: 0px; padding-top: 0px; padding-right: 0px; padding-left: 0px; display: inline; background-image: none;\" border=\"0\" alt=\"Red-Dye_BGA_crack_failure_summary\" src=\"\/\/m.letratesoro.com\/wp-content\/uploads\/Red-Dye_BGA_crack_failure_summary.png\" width=\"231\" height=\"165\" \/><\/p>\n<p><font color=\"#0000ff\" size=\"5\"><strong>BGA\u7d05\u58a8\u6c34\u6e2c\u8a66\u932b\u7403\u65b7\u88c2\u5c0d\u7167\u8868\uff1a<\/strong><\/font><\/p>\n<p align=\"justify\"><font size=\"4\">\u5f9e\u4e0b\u9762\u4e0d\u826f\u5c0d\u7167\u8868\u53ef\u4ee5\u767c\u73fe\uff0cBGA\u932b\u7403\u958b\u88c2\u7684\u73fe\u8c61\u51fa\u73fe\u5728\u5de6\u624b\u908a\u7684\u4e0a\u4e0b\u5169\u500b\u89d2\u843d\uff0c\u9019\u4e5f\u8207\u6211\u5011\u4e00\u822c\u770b\u5230\u96fb\u8def\u677f\u56e0\u70ba\u61c9\u529b(Stress)\u6240\u9020\u6210\u7684BGA\u932b\u7403\u958b\u88c2\u4e0d\u826f\u73fe\u8c61\u985e\u4f3c\uff0c\u61c9\u529b\u6700\u5927\u7684\u4f5c\u7528\u529b\u51fa\u73fe\u5728BGA-IC\u7684\u56db\u500b\u89d2\u843d\uff0c\u800c\u9019\u500b\u4f4d\u7f6e\u53c8\u4f4d\u65bc\u96fb\u8def\u677f\u7684\u6b63\u4e2d\u9593\u4f4d\u7f6e\uff0c\u4e5f\u662f\u96fb\u8def\u677f\u677f\u5f4e\u6642\u61c9\u529b\u51fa\u73fe\u6700\u5927\u7684\u4f4d\u7f6e\u3002<\/font><\/p>\n<p align=\"justify\"><font size=\"4\">\u5982\u679c\u53ef\u80fd\u7684\u8a71\uff0c\u5de5\u4f5c\u718a\u5f37\u70c8\u5efa\u8b70BGA\u7684\u56db\u500b\u89d2\u843d\u7684\u4f4d\u7f6e\u4e0d\u8981\u6709\u932b\u7403\u8a2d\u8a08\uff0c\u4e5f\u53ef\u4ee5\u8003\u616e\u8a2d\u8a08\u6c92\u6709\u7dda\u8def\u7684\u5047(dummy)\u932b\u7403\uff0c\u65e2\u53ef\u4ee5\u52a0\u5f37BGA\u7684\u61c9\u529b\u627f\u53d7\u5ea6\uff0c\u5982\u679c\u6709\u88c2\u7e2b\u554f\u984c\uff0c\u4e5f\u4e0d\u6703\u5f71\u97ff\u5230\u529f\u80fd\u3002<\/font><\/p>\n<p><font color=\"#0000ff\" size=\"5\"><strong>BGA\u7d05\u58a8\u6c34\u6e2c\u8a66\u932b\u7403\u65b7\u88c2\u5c0d\u7167\u8868<\/strong><\/font><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" title=\"BGA\u7d05\u58a8\u6c34\u6e2c\u8a66\u932b\u7403\u65b7\u88c2\u5c0d\u7167\u8868\" style=\"border-width: 0px; padding-top: 0px; padding-right: 0px; padding-left: 0px; display: inline; background-image: none;\" border=\"0\" alt=\"BGA\u7d05\u58a8\u6c34\u6e2c\u8a66\u932b\u7403\u65b7\u88c2\u5c0d\u7167\u8868\" src=\"\/\/m.letratesoro.com\/wp-content\/uploads\/Red-Dye_BGA_crack_failure_matrix.png\" width=\"410\" height=\"515\" \/><\/p>\n<p><font color=\"#0000ff\" size=\"5\"><strong>BGA\u7d05\u58a8\u6c34\u6e2c\u8a66\u7684\u7167\u7247\u8207\u5be6\u969b\u932b\u7403\u958b\u88c2\u73fe\u8c61<\/strong><\/font><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" title=\"Red-Dye_BGA_crack_failure_Picture03\" style=\"border-width: 0px; padding-top: 0px; padding-right: 0px; padding-left: 0px; display: inline; background-image: none;\" border=\"0\" alt=\"Red-Dye_BGA_crack_failure_Picture03\" src=\"\/\/m.letratesoro.com\/wp-content\/uploads\/Red-Dye_BGA_crack_failure_Picture03.jpg\" width=\"585\" height=\"215\" \/><img loading=\"lazy\" decoding=\"async\" title=\"Red-Dye_BGA_crack_failure_Picture01\" style=\"border-width: 0px; padding-top: 0px; padding-right: 0px; padding-left: 0px; display: inline; background-image: none;\" border=\"0\" alt=\"Red-Dye_BGA_crack_failure_Picture01\" src=\"\/\/m.letratesoro.com\/wp-content\/uploads\/Red-Dye_BGA_crack_failure_Picture01-1.jpg\" width=\"585\" height=\"310\" \/><\/p>\n<p><font size=\"4\">\u5f9e\u7167\u7247\u4e2d\u932b\u7403\u958b\u88c2\u7684\u60c5\u5f62\u4f86\u5224\u65b7A1~C1\u53caU1~Y1\u525b\u597d\u5728BGA\u4f4d\u65bc\u96fb\u8def\u677f\u4e2d\u9593\u4f4d\u7f6e\u7684\u4e0a\u4e0b\u5169\u500b\u89d2\u843d\uff0c\u6240\u4ee5\u6975\u6709\u53ef\u80fd\u662f\u96fb\u8def\u677f\u56e0\u5916\u529b\u8b8a\u5f62\u6240\u9020\u6210\u7684\u932b\u7403\u65b7\u88c2\u3002\u8acb\u6ce8\u610f\u4e00\u4e0b\uff0c\u9019\u4efd\u5831\u544a\u6709\u4e00\u500b\u5730\u65b9\u6a19\u793a\u932f\u8aa4\uff0c\u5728C1\u7684\u4f4d\u7f6e\u932b\u7403\u7684\u65b7\u88c2\u9762\u61c9\u8a72\u5728\u96f6\u4ef6\u9762(Component Side\uff0c\u9ec3\u8272\u5e95\uff09\uff0c\u4f46\u5be6\u9a57\u5ba4\u5927\u6982\u5fd9\u4e2d\u6709\u932f\uff0c\u6a19\u6210\u4e86\u85cd\u8272\u5e95\u7684PCB\u9762\u4e86\u3002<\/font><img loading=\"lazy\" decoding=\"async\" title=\"Red-Dye_BGA_crack_failure_Picture02\" style=\"border-width: 0px; padding-top: 0px; padding-right: 0px; padding-left: 0px; display: inline; background-image: none;\" border=\"0\" alt=\"Red-Dye_BGA_crack_failure_Picture02\" src=\"\/\/m.letratesoro.com\/wp-content\/uploads\/Red-Dye_BGA_crack_failure_Picture02.jpg\" width=\"585\" height=\"676\" \/><\/p>\n<p><font size=\"4\">\u800cU20\u4f4d\u7f6e\u768425\uff5e50%\u932b\u7403\u88c2\u958b\u770b\u8d77\u4f86\u6709\u9ede\u50cf\u662f\u6c23\u6ce1\u6240\u9020\u6210\u3002<\/font><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" title=\"Red-Dye_BGA_crack_failure_Picture04\" style=\"border-width: 0px; padding-top: 0px; padding-right: 0px; padding-left: 0px; display: inline; background-image: none;\" border=\"0\" alt=\"Red-Dye_BGA_crack_failure_Picture04\" src=\"\/\/m.letratesoro.com\/wp-content\/uploads\/Red-Dye_BGA_crack_failure_Picture04.jpg\" width=\"585\" height=\"328\" \/><\/p>\n<hr \/>\n<p><font size=\"4\">\u5ef6\u4f38\u95b1\u8b80\uff1a      <br \/><\/font><a href=\"\/\/m.letratesoro.com\/2016\/11\/red-dye-bga-crack\/\"><font size=\"4\">\u5982\u4f55\u5f9e\u7d05\u58a8\u6c34\u6e2c\u8a66\u4e2d\u5224\u65b7BGA\u958b\u88c2\u7684\u4e0d\u826f\u539f\u56e0<\/font><\/a>     <br \/><a href=\"\/\/m.letratesoro.com\/2013\/06\/problem-solving-bga\/\"><font size=\"4\">\u5982\u4f55\u8457\u624b\u5206\u6790\u5e02\u5834\u8fd4\u4fee\u7684\u96fb\u5b50\u4e0d\u826f\u54c1\u53caBGA\u4e0d\u826f<\/font><\/a>     <br \/><a href=\"\/\/m.letratesoro.com\/2011\/03\/bga-dropped\/\"><font size=\"4\">\u5982\u4f55\u5224\u65b7BGA\u6389\u4ef6\u662fSMT\u5de5\u5ee0\u88fd\u7a0b\u6216\u662f\u8a2d\u8a08\u554f\u984c?<\/font><\/a>     <br \/><a href=\"\/\/m.letratesoro.com\/2010\/11\/red-dye-penetration-test\/\"><font size=\"4\">\u7c21\u4ecb\u7528\u7d05\u58a8\u6c34\u8a66\u9a57 (Red Dye Penetration Test)\u67e5\u770bBGA\u710a\u932b\u6709\u5426\u7834\u88c2<\/font><\/a>     <br \/><a href=\"\/\/m.letratesoro.com\/2016\/10\/imc-broken\/\"><font size=\"4\">\u70ba\u4ec0\u9ebcIMC\u5df2\u7d93\u5f62\u6210\u6709\u6548\u710a\u63a5\u4f46\u96f6\u4ef6\u6389\u843d\u9084\u662f\u767c\u751fIMC\u5c64\u65b7\u88c2\u4e4b\u89c0\u5ff5\u6f84\u6e05<\/font><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>BGA-IC\u529f\u80fd\u4e0d\u826f\u771f\u7684\u662f\u5f88\u591a\u96fb\u5b50\u516c\u53f8\u7684\u75db\uff0c\u5c24\u5176 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