{"id":10715,"date":"2023-05-24T08:18:00","date_gmt":"2023-05-24T00:18:00","guid":{"rendered":"\/\/m.letratesoro.com\/?p=10715"},"modified":"2023-06-03T09:30:05","modified_gmt":"2023-06-03T01:30:05","slug":"ipc-4761","status":"publish","type":"post","link":"\/\/m.letratesoro.com\/2023\/05\/ipc-4761\/","title":{"rendered":"\u516d\u7a2eIPC-4761\u5b9a\u7fa9\u7684\u5370\u5237\u96fb\u8def\u677f\u5c0e\u901a\u5b54(\u585e\u5b54)\u7d50\u69cb\u4fdd\u8b77\u8a2d\u8a08"},"content":{"rendered":"<p align=\"center\"><font size=\"4\"><img decoding=\"async\" src=\"\/\/m.letratesoro.com\/wp-content\/uploads\/2023\/05\/PCB-resin-plugging%E6%A8%B9%E8%84%82%E5%A1%9E%E5%AD%94ResearchMFG01.jpg\" \/><\/font><\/p>\n<p align=\"justify\"><font size=\"4\">\u9019\u4efdIPC-4761\u5370\u5237\u96fb\u8def\u677f\u5c0e\u901a\u5b54\u7d50\u69cb\u5efa\u4fdd\u8b77\u6307\u5f15(<font size=\"4\">Design Guide for Protection of Printed Board Via Structures<\/font>)\u6587\u4ef6\u5176\u5be6\u5df2\u7d93\u662f2006\u5e74\u7684\u8001\u7248\u672c\u4e86\uff0c\u8ddd\u4eca\u6c92\u6709\u66f4\u65b0\u3002\u5b83\u5b9a\u7fa9\u4e86\u5e7e\u7a2e\u5c0e\u901a\u5b54\u4fdd\u8b77(via protection)\u7684\u65b9\u6cd5\uff0c\u4e5f\u5b9a\u7fa9\u4e866\u7a2e\u5c0e\u901a\u5b54\u4fdd\u8b77\u7684\u578b\u614b(type)\u3002<\/font><\/p>\n<p align=\"justify\"><font size=\"4\">\u8aaa\u767d\u8a71\u4e00\u9ede\uff0c\u5c0e\u901a\u5b54\u4fdd\u8b77\u5176\u5be6\u5c31\u662f\u6211\u5011\u4e00\u822c\u8a8d\u77e5\u7684\u3010\u585e\u5b54\u3011\uff0c\u53ea\u662f\u6587\u4ef6\u4e2d\u7528\u4e86\u5e7e\u7a2e\u540d\u8a5e\uff08Tented via, Covered via, Capped via, Plugged via, Filled via\uff09\u7b49\u4f86\u5b9a\u7fa9\u4e0d\u540c\u7684\u585e\u5b54\u65b9\u6cd5\u3002<\/font><\/p>\n<p><!--more--><\/p>\n<p align=\"justify\"><font size=\"4\">\u6587\u4ef6\u4e2d\u4e5f\u82b1\u4e86\u5f88\u591a\u7bc7\u5e45\u4f86<font size=\"4\">\u8aaa\u660e\u5c0e\u901a\u5b54\u4fdd\u8b77\u7684\u8af8\u591a\u512a\u9ede\uff0c\u4ee5\u53ca\u5c0e\u901a\u5b54\u4fdd\u8b77\u65bd\u4f5c\u6642\u53ef\u80fd\u6703\u9047\u5230\u7684\u4e00\u4e9b\u554f\u984c\uff0c\u4e0d\u904e\u9019\u4e0d\u5728\u672c\u6587\u7684\u8a0e\u8ad6\u4e2d\uff0c\u6709\u5f62\u53bb\u7684\u670b\u53cb\u53ef\u4ee5\u81ea\u5df1\u53bb\u627e\u9019\u4efd\u6587\u4ef6\u5730\u770b\u770b\u3002<\/font><\/font><\/p>\n<h2><font style=\"font-weight: bold;\" color=\"#0000ff\">IPC-4761\u6587\u4ef6\u4e2d\u63d0\u53ca\u7684\u5e7e\u7a2e\u5c0e\u901a\u5b54\u4fdd\u8b77\u65b9\u6cd5<\/font><\/h2>\n<p align=\"justify\"><font size=\"4\">\u8acb\u6ce8\u610f\uff1a\u4ee5\u4e0b\u7684\u5e7e\u7a2e\u5c0e\u901a\u5b54\u4fdd\u8b77\u65b9\u6cd5\u7684\u4e2d\u6587\u70ba\u5de5\u4f5c\u718a\u81ea\u5df1\u7684\u7ffb\u8b6f\uff0c\u76ee\u524d\u770b\u4f86\u4e26\u7121\u7d71\u4e00\u7684\u4e2d\u6587\u7ffb\u8b6f\u3002<\/font><\/p>\n<ul>\n<li>\n<p align=\"justify\"><font size=\"4\"><strong><font color=\"#0000ff\">Tented via (\u5c01\u5b54)\uff1a<\/font><\/strong>\u5c01\u5b54\u4e3b\u8981\u4ee5\u4e7e\u819c(dry film mask)\u67b6\u6a4b\u8986\u84cb\u65bc\u5c0e\u901a\u5b54\u7684\u4e0a\u65b9\uff0c\u5c0e\u901a\u5b54\u5167\u6c92\u6709\u586b\u5145\u5176\u4ed6\u6750\u6599\u3002\u5176\u4e3b\u8981\u76ee\u7684\u5728\u4fdd\u8b77\u5c0e\u901a\u5b54\u5167\u58c1\u7684\u5c0e\u901a\u91d1\u5c6c\u4ee5\u78ba\u4fdd\u5b54\u5167\u7684\u5c0e\u901a\u529f\u80fd\u53ef\u4ee5\u6b63\u5e38\u904b\u4f5c\u3002\u5c01\u5b54\u53ef\u4ee5\u5728PCB\u540c\u4e00\u500b\u5c0e\u901a\u5b54\u7684\u55ae\u9762\u6216\u96d9\u9762\u4f4d\u7f6e\u4e0a\u57f7\u884c\u3002\u53ef\u4ee5\u53c3\u8003\u4e0b\u9762\u8868\u683c\u4e2dType I-a\/b\u7684\u5716\u793a\u3002<\/font><\/p>\n<\/li>\n<li>\n<p align=\"justify\"><font size=\"4\"><strong><font color=\"#0000ff\">Covered via (\u8986\u5b54)\uff1a<\/font><\/strong>\u8986\u5b54\u8207\u5c01\u5b54\u5f88\u76f8\u4f3c\uff0c\u5b83\u662f\u5728\u5c0e\u901a\u5b54\u88ab\u300cTented via (\u5c01\u5b54)\u300d\u6216\u300cPlugged via (\u585e\u5b54)\u300d\u4e4b\u5f8c\u518d\u65bc\u5176\u4e0a\u9762\u591a\u8986\u84cb\u4e00\u5c64\u9632\u710a\u6216\u91d1\u5c6c\u6750\u6599\u3002\u6240\u4ee5\u300cCovered via (\u8986\u5b54)\u300d\u901a\u5e38\u8207\u300cTented via (\u5c01\u5b54)\u300d\u6216\u300cPlugged via (\u585e\u5b54)\u300d\u4e92\u76f8\u642d\u914d\u3002\u8986\u5b54\u7684\u76ee\u7684\u4e5f\u662f\u5728\u4fdd\u8b77\u5c0e\u901a\u5b54\u5167\u7684\u96fb\u934d\u5857\u5c64\uff0c\u5b83\u540c\u6642\u4e5f\u53ef\u4ee5\u6539\u5584\u55ae\u7368\u4f7f\u7528\u300cTented via (\u5c01\u5b54)\u300d\u7684\u5f37\u5ea6\u3002\u4e00\u822c\u4e0d\u5efa\u8b70\u5728\u300cTented via (\u5c01\u5b54)\u300d\u7684\u4e0a\u65b9\u5857\u4f48\u91d1\u5c6c\u710a\u588a\uff0c\u56e0\u70ba\u5bb9\u6613\u767c\u751f\u584c\u9677(dimple)\u751a\u81f3\u7834\u88c2\u9020\u6210\u710a\u932b\u4e0d\u826f\u6216\u5c0e\u901a\u7684\u9577\u671f\u4fe1\u8cf4\u6027\u554f\u984c\u3002\u53ef\u4ee5\u53c3\u8003\u4e0b\u9762\u8868\u683c\u4e2dType II-a\/b\u7684\u5716\u793a\u3002<\/font><\/p>\n<\/li>\n<li>\n<p align=\"justify\"><font size=\"4\"><strong><font color=\"#0000ff\">Plugged via (\u585e\u5b54)\uff1a<\/font><\/strong>\u585e\u5b54\u4f5c\u696d\u901a\u5e38\u4f7f\u7528\u300c\u6db2\u614b\u986f\u5f71(LPI, Liquid Photo Imageable)\u300d\u6750\u6599\u6216\u6a39\u8102(resin)\u4ee5\u7d72\u7db2\u5370\u5237\u6216\u522e\u5200\u6216\u52a0\u58d3\u5857\u62b9\u65b9\u5f0f\u4f86\u9032\u884c\u5c0e\u901a\u5b54\u7684\u585e\u5b54\u4f5c\u696d\uff0c\u586b\u5145\u7269\u53ef\u4ee5\u662f\u5c0e\u9ad4\u6216\u975e\u5c0e\u9ad4\u3002\u4f9d\u7167IPC-4761\u6587\u4ef6\u7684\u8aaa\u660e\uff0c\u585e\u5b54\u4f5c\u696d\u4e26\u6c92\u6709\u8981\u6c42\u4e00\u5b9a\u8981\u5c07\u5c0e\u901a\u5b54\u5b8c\u5168\u586b\u6eff\uff0c\u800c\u53ea\u8981\u6c42\u5c0e\u901a\u5b54\u4f4d\u65bcPCB\u8868\u9762\u7684\u4f4d\u7f6e\u5fc5\u9808\u585e\u4f4f\u3002\u53ef\u4ee5\u53c3\u8003\u4e0b\u9762\u8868\u683c\u4e2dType III-a\/b\u7684\u5716\u793a\u3002<\/font><\/p>\n<\/li>\n<li>\n<p align=\"justify\"><font size=\"4\"><strong><font color=\"#0000ff\">Filled via (\u586b\u5b54)\uff1a<\/font><\/strong>\u586b\u5b54\u7684\u4f5c\u696d\u65b9\u5f0f\u8207\u585e\u5b54\u985e\u4f3c\uff0c\u4f46\u662f\u8981\u6c42\u5c0e\u901a\u5b54\u5167\u5fc5\u9808\u5b8c\u5168\u586b\u6eff\u3002\u586b\u5b54\u4f5c\u696d\u4e00\u822c\u4f7f\u7528LPI\u6216\u6a39\u8102\u4f86\u586b\u5b54\uff0c\u4f5c\u696d\u4e0a\u53ef\u80fd\u6703\u51fa\u73fe\u4e0d\u5b8c\u5168\u586b\u5b54\u6216voids\u7684\u60c5\u5f62\u5f71\u97ff\u54c1\u8cea\u3002\u53ef\u4ee5\u53c3\u8003\u4e0b\u9762\u8868\u683c\u4e2dType V\u7684\u5716\u793a\u3002<\/font><\/p>\n<\/li>\n<li>\n<p align=\"justify\"><font size=\"4\"><strong><font color=\"#0000ff\">Capped via (\u84cb\u5b54)\uff1a<\/font><\/strong>\u5728IPC-4761\u6587\u4ef6\u4e2d\u300cCapped via\u300d\u4f3c\u4e4e\u9700\u8981\u914d\u5408\u300cFilled via\u300d\u4e00\u8d77\u4f5c\u696d\uff0c\u800c\u300cCapped via\u300d\u5247\u662f\u5728\u300cFilled via\u300d\u7684\u4e0a\u65b9\u8986\u84cb\u4e00\u5c64\u91d1\u5c6c\u934d\u5c64\u4ee5\u4e4b\u8207\u300c<font size=\"4\">Covered via\u300d\u4f5c\u5340\u5225<\/font>\u3002\u9069\u5408\u7528\u5728\u6709\u9ad8\u5bc6\u5ea6\u9023\u63a5(HDI)\u9700\u6c42\u7684PCB\uff0c\u7279\u5225\u662fVia-In-Pad\u6216Ball-on-Via\u710a\u588a\u53ef\u4ee5\u7bc0\u7701\u7a7a\u9593\u3002\u7576\u586b\u5b54\u4f5c\u696d\u767c\u751f\u7455\u75b5\u4e0d\u5b8c\u5168\u586b\u5b54\u6216voids\u6642\uff0c\u53ef\u80fd\u6703\u767c\u751f\u710a\u588a\u8868\u9762\u51f9\u9677(dimple)\u9020\u6210\u710a\u932b\u4e0d\u826f\uff0c\u9020\u6210\u5c0e\u901a\u7684\u9577\u671f\u4fe1\u8cf4\u6027\u554f\u984c\u3002\u53e6\u5916\uff0c\u7d93\u9a57\u986f\u793a\u7576Ball-on-Via\u4f7f\u7528\u6a39\u8102\u586b\u5b54\u5bb9\u6613\u767cvoids\uff0c\u4e00\u65e6\u586b\u5b54\u4e0a\u65b9\u7684\u91d1\u5c6c\u710a\u588a\u53c8\u4e0d\u539a\u6642\uff0c\u5c31\u5bb9\u6613\u5728\u56de\u710a\u7684\u904e\u7a0b\u4e2d\u8b93voids\u4e2d\u7684\u7a7a\u6c23\u9032\u5165\u5230\u932b\u7403\u4e2d\u4e26\u5439\u8139\u7403\u9ad4\u8207\u9130\u8fd1\u932b\u7403\u77ed\u8def\u3002\u53ef\u4ee5\u53c3\u8003\u4e0b\u9762\u8868\u683c\u4e2dType VII\u7684\u5716\u793a\u3002<\/font><\/p>\n<\/li>\n<\/ul>\n<p align=\"justify\"><font size=\"4\">\u5efa\u8b70\u5ef6\u4f38\u95b1\u8b80\uff1a<\/font><\/p>\n<ul>\n<li><font size=\"4\"><a href=\"\/\/m.letratesoro.com\/2011\/07\/pth-blind-hole-buried-hole\/\" target=\"_blank\" rel=\"noopener\">PCB\u540d\u8a5e\u89e3\u91cb\uff1a\u901a\u5b54\u3001\u76f2\u5b54\u3001\u57cb\u5b54<\/a><\/font><\/li>\n<li><a href=\"\/\/m.letratesoro.com\/2010\/11\/vias-in-pad\/\" target=\"_blank\" rel=\"noopener\"><font size=\"4\">BGA\u3001QFN\u5c0e\u901a\u5b54\u5728\u588a(Vias-in-pad)\u7684\u7f3a\u9ede\u53ca\u8655\u7406\u539f\u5247<\/font><\/a> <\/li>\n<li><font size=\"4\"><a href=\"\/\/m.letratesoro.com\/2023\/05\/pcb-vias-plugging\/\" target=\"_blank\" rel=\"noopener\">PCB\u8a2d\u8a08\u585e\u5b54\u4e0d\u585e\u5b54\u6703\u6709\u4f55\u5f71\u97ff\uff1f\u4ec0\u9ebc\u662f\u5168\u585e\u5b54\u8207\u534a\u585e\u5b54\uff1f<\/a><\/font><\/li>\n<\/ul>\n<h2 align=\"center\"><font style=\"font-weight: bold;\" face=\"\u5fae\u8edf\u6b63\u9ed1\u9ad4\">IPC-4761\u5b9a\u7fa9\u7684\u5e7e\u7a2e\u5c0e\u901a\u5b54\u4fdd\u8b77\u7684\u578b\u614b(type)<\/font><\/h2>\n<p> <strong><font color=\"#0000ff\"><\/font><\/strong><strong><\/strong><strong><\/strong>  <\/p>\n<table cellspacing=\"0\" cellpadding=\"2\" border=\"1\">\n<tbody>\n<tr>\n<td valign=\"middle\" align=\"center\"><font size=\"2\"><strong>Via Protections Definitions<\/strong><\/font><\/td>\n<td valign=\"middle\" align=\"center\"><font size=\"2\"><strong>Type<\/strong><\/font><\/td>\n<td valign=\"middle\" align=\"center\"><font size=\"2\"><strong>\u63cf\u8ff0<\/strong><\/font><\/td>\n<td valign=\"middle\" align=\"center\"><font size=\"2\"><strong>Figure-IPC-4761<\/strong><\/font><\/td>\n<td valign=\"middle\" align=\"center\"><font size=\"2\"><strong>Material<\/strong><\/font><\/td>\n<td valign=\"middle\" align=\"center\"><font size=\"2\"><strong>\u6ce8\u610f\u4e8b\u9805<\/strong><\/font><\/td>\n<\/tr>\n<tr>\n<td valign=\"middle\" align=\"center\"><font size=\"2\">Tented Via            <br \/>\u5c01\u9589\u5c0e\u901a\u5b54<\/font> <\/td>\n<td valign=\"middle\" align=\"center\"><font size=\"2\">Type I-a<\/font><\/td>\n<td valign=\"middle\" align=\"center\"><font size=\"2\">Tented \u2013 Single-Sided            <br \/>\u9632\u710a<strong><font color=\"#0000ff\">\u55ae\u9762<\/font><\/strong>\u8986\u84cb\u5c01\u9589\u5c0e\u901a\u5b54<\/font><\/td>\n<td valign=\"middle\" align=\"center\"><img loading=\"lazy\" decoding=\"async\" src=\"\/\/m.letratesoro.com\/wp-content\/uploads\/2023\/05\/IPC4761-typeI-a.png\" width=\"150\" height=\"86\" \/><\/td>\n<td valign=\"middle\"><font size=\"2\">\u4f7f\u7528\u4e7e\u819c\u55ae\u9762\u61f8\u7a7a\u8986\u84cb\u65bc\u5c0e\u901a\u5b54\u4e0a\u65b9\uff0c\u4e0d\u5141\u8a31\u984d\u5916\u6750\u6599\u5165\u5b54\u3002(\u4e0d\u5efa\u8b70\u4f7f\u7528\u6db2\u614b\u6750\u6599)<\/font><\/td>\n<td valign=\"middle\"><font size=\"2\">(\u4e0d\u5efa\u8b70\u4f7f\u7528)            <br \/>\u5b54\u5167\u5bb9\u6613\u6709\u5316\u5b78\u6b98\u7559\u3002\u4e0d\u5efa\u8b70\u4f7f\u7528\u65bc\u5c0e\u901a\u5b54\u5167\u88f8\u9285\u7684PCB\u3002<\/font> <\/td>\n<\/tr>\n<tr>\n<td valign=\"middle\" align=\"center\"><font size=\"2\">Tented Via            <br \/>\u5c01\u9589\u5c0e\u901a\u5b54<\/font> <\/td>\n<td valign=\"middle\" align=\"center\"><font size=\"2\">Type I-b<\/font><\/td>\n<td valign=\"middle\" align=\"center\"><font size=\"2\">Tented \u2013Double-Sided<\/font>           <\/p>\n<p><font size=\"2\">\u9632\u710a<strong><font color=\"#0000ff\">\u96d9\u9762<\/font><\/strong>\u8986\u84cb\u5c01\u9589\u5c0e\u901a\u5b54<\/font><\/p>\n<\/td>\n<td valign=\"middle\" align=\"center\"><img loading=\"lazy\" decoding=\"async\" src=\"\/\/m.letratesoro.com\/wp-content\/uploads\/2023\/05\/IPC4761-typeI-b.png\" width=\"150\" height=\"89\" \/><\/td>\n<td valign=\"middle\"><font size=\"2\">\u4f7f\u7528\u4e7e\u819c\u96d9\u9762\u61f8\u7a7a\u8986\u84cb\u65bc\u5c0e\u901a\u5b54\u4e0a\u65b9\uff0c\u4e0d\u5141\u8a31\u984d\u5916\u6750\u6599\u5165\u5b54\u3002(\u4e0d\u5efa\u8b70\u4f7f\u7528\u6db2\u614b\u6750\u6599)<\/font><\/td>\n<td valign=\"middle\"><font size=\"2\">(\u4e0d\u5efa\u8b70\u4f7f\u7528)            <br \/>\u5b54\u5167\u5bb9\u6613\u6709\u5316\u5b78\u6b98\u7559\u3002\u5c0e\u901a\u5b54\u5167\u6c23\u9ad4\u5728\u6025\u901f\u9ad8\u6eab\u4e2d\u5bb9\u6613\u7a81\u7834\u5c01\u5b54\uff0c\u4e0d\u5efa\u8b70\u4f7f\u7528\u65bc\u5c0e\u901a\u5b54\u5167\u88f8\u9285\u7684PCB\u3002<\/font><\/td>\n<\/tr>\n<tr>\n<td valign=\"middle\" align=\"center\"><font size=\"2\">Tented And Covered Via            <br \/>\u5c01\u5b54\u4e26\u8986\u84cb\u5c0e\u901a\u5b54<\/font><\/td>\n<td valign=\"middle\" align=\"center\"><font size=\"2\">Type II-a<\/font><\/td>\n<td valign=\"middle\" align=\"center\"><font size=\"2\">Tented and Covered \u2013 Single Sided<\/font><\/td>\n<td valign=\"middle\" align=\"center\"><font size=\"3\"><img loading=\"lazy\" decoding=\"async\" src=\"\/\/m.letratesoro.com\/wp-content\/uploads\/2023\/05\/IPC4761-typeII-a.png\" width=\"150\" height=\"90\" \/><\/font><\/td>\n<td valign=\"middle\"><font size=\"2\">\u5728\u55ae\u9762\u5c01\u5b54\u7684\u4e7e\u819c\u4e0a\u65b9\u518d\u8986\u84cb\u4e00\u5c64\u7bc4\u570d\u66f4\u5927\u7684\u9632\u710a\u6216\u91d1\u5c6c\u710a\u588a\u3002<\/font><\/td>\n<td valign=\"middle\"><font size=\"2\">(\u4e0d\u5efa\u8b70\u5728\u5c01\u5b54\u4e0a\u8986\u84cb\u91d1\u5c6c\u5c64\uff0c\u9577\u671f\u4fe1\u8cf4\u6027\u4e0d\u4f73)            <br \/>\u53ef\u5f37\u5316\u5c01\u5b54\u7684\u5f37\u5ea6\u3002\u5b54\u5167\u5bb9\u6613\u6709\u5316\u5b78\u6b98\u7559\uff0c\u4e0d\u5efa\u8b70\u4f7f\u7528\u65bc\u5c0e\u901a\u5b54\u5167\u88f8\u9285\u7684PCB\u3002<\/font><\/td>\n<\/tr>\n<tr>\n<td valign=\"middle\" align=\"center\"><font size=\"2\">Tented And Covered Via            <br \/>\u5c01\u5b54\u4e26\u8986\u84cb\u5c0e\u901a\u5b54<\/font> <\/td>\n<td valign=\"middle\" align=\"center\"><font size=\"2\">Type II-b<\/font><\/td>\n<td valign=\"middle\" align=\"center\"><font size=\"2\">Tented and Covered \u2013 Double-Sided<\/font><\/td>\n<td valign=\"middle\" align=\"center\"><font size=\"3\"><img loading=\"lazy\" decoding=\"async\" src=\"\/\/m.letratesoro.com\/wp-content\/uploads\/2023\/05\/IPC4761-typeII-b.png\" width=\"150\" height=\"99\" \/><\/font><\/td>\n<td valign=\"middle\"><font size=\"2\">\u5728\u96d9\u9762\u5c01\u5b54\u7684\u4e7e\u819c\u4e0a\u65b9\u518d\u8986\u84cb\u4e00\u5c64\u7bc4\u570d\u66f4\u5927\u7684\u9632\u710a\u6216\u91d1\u5c6c\u710a\u588a\u3002<\/font><\/td>\n<td valign=\"middle\"><font size=\"2\"><font size=\"2\">(\u4e0d\u5efa\u8b70\u5728\u5c01\u5b54\u4e0a\u8986\u84cb\u91d1\u5c6c\u5c64\uff0c\u9577\u671f\u4fe1\u8cf4\u6027\u4e0d\u4f73)<\/font>             <br \/>\u5b54\u5167\u5bb9\u6613\u6709\u5316\u5b78\u6b98\u7559\uff0c\u5c0e\u901a\u5b54\u5167\u6c23\u9ad4\u5728\u6025\u901f\u9ad8\u6eab\u4e2d\u5bb9\u6613\u7a81\u7834\u5c01\u5b54\uff0c\u4e0d\u5efa\u8b70\u4f7f\u7528\u65bc\u5c0e\u901a\u5b54\u5167\u88f8\u9285\u7684PCB\u3002<\/font><\/td>\n<\/tr>\n<tr>\n<td valign=\"middle\" align=\"center\"><font size=\"2\">Plugged Via            <br \/>\u585e\u5b54<\/font><\/td>\n<td valign=\"middle\" align=\"center\"><font size=\"2\">Type III-a<\/font><\/td>\n<td valign=\"middle\" align=\"center\"><font size=\"2\">Plugged Via \u2013 Single Sided<\/font><\/td>\n<td valign=\"middle\" align=\"center\"><img loading=\"lazy\" decoding=\"async\" src=\"\/\/m.letratesoro.com\/wp-content\/uploads\/2023\/05\/IPC4761-typeIII-a.png\" width=\"150\" height=\"85\" \/><\/td>\n<td valign=\"middle\"><font size=\"2\">\u4e00\u822c\u4f7f\u7528LPI\u6216\u6a39\u8102\u4f86\u55ae\u9762\u586b\u5145\u5c0e\u901a\u5b54\u3002\u4e5f\u53ef\u4f7f\u7528\u5c0e\u9ad4\u6750\u8cea\u586b\u5145\u3002<\/font><\/td>\n<td valign=\"middle\"><font size=\"2\">(\u4e0d\u5efa\u8b70\u4f7f\u7528)<\/font><\/td>\n<\/tr>\n<tr>\n<td valign=\"middle\" align=\"center\"><font size=\"2\">Plugged Via            <br \/>\u585e\u5b54<\/font><\/td>\n<td valign=\"middle\" align=\"center\"><font size=\"2\">Type III-b<\/font><\/td>\n<td valign=\"middle\" align=\"center\"><font size=\"2\">Plugged Via \u2013 Double Sided<\/font><\/td>\n<td valign=\"middle\" align=\"center\"><img loading=\"lazy\" decoding=\"async\" src=\"\/\/m.letratesoro.com\/wp-content\/uploads\/2023\/05\/IPC4761-typeIII-b.png\" width=\"150\" height=\"90\" \/><\/td>\n<td valign=\"middle\"><font size=\"2\">\u4e00\u822c\u4f7f\u7528LPI\u6216\u6a39\u8102\u4f86\u96d9\u9762\u586b\u5145\u5c0e\u901a\u5b54\u3002\u4e5f\u53ef\u4f7f\u7528\u5c0e\u9ad4\u6750\u8cea\u586b\u5145\u3002<\/font><\/td>\n<td valign=\"middle\"><font size=\"2\">\u4e00\u822c\u53ea\u8981\u585e\u5b54\u5c31\u6703\u984d\u5916\u518d\u52a0\u4e00\u5c64\u9632\u710a\u6216\u91d1\u5c6c\u934d\u5c64\uff0c\u6c92\u898b\u904e\u6709\u4eba\u55ae\u7368\u9019\u6a23\u4f7f\u7528\u7684\u3002<\/font><\/td>\n<\/tr>\n<tr>\n<td valign=\"middle\" align=\"center\"><font size=\"2\">Plugged and Covered Via            <br \/>\u585e\u5b54\u4e26\u8986\u84cb\u5c0e\u901a\u5b54<\/font><\/td>\n<td valign=\"middle\" align=\"center\"><font size=\"2\">Type IV-a<\/font><\/td>\n<td valign=\"middle\" align=\"center\"><font size=\"2\">Plugged and Covered Via \u2013 Single Sided<\/font><\/td>\n<td valign=\"middle\" align=\"center\"><img loading=\"lazy\" decoding=\"async\" src=\"\/\/m.letratesoro.com\/wp-content\/uploads\/2023\/05\/IPC4761-typeIV-a.png\" width=\"150\" height=\"85\" \/><\/td>\n<td valign=\"middle\"><font size=\"2\">\u4e00\u822c\u4f7f\u7528LPI\u6216\u6a39\u8102<\/font><font size=\"2\">\u5728\u55ae\u9762\u585e\u5b54\u7684\u4e0a\u65b9\u518d\u8986\u84cb\u4e00\u5c64\u9632\u710a\u3002<\/font><\/td>\n<td valign=\"middle\"><font size=\"2\">(\u4e0d\u5efa\u8b70\u4f7f\u7528)            <br \/>\u70ba\u585e\u5b54\u7684\u4e00\u9762\u5bb9\u6613\u6b98\u7559\u5316\u5b78\u85e5\u5291\uff0cSMT\u932b\u818f\u5370\u5237\u5f8c\u4e5f\u5bb9\u6613\u5361\u932b\u73e0\u3002<\/font><\/td>\n<\/tr>\n<tr>\n<td valign=\"middle\" align=\"center\"><font size=\"2\">Plugged and Covered Via            <br \/>\u585e\u5b54\u4e26\u8986\u84cb\u5c0e\u901a\u5b54<\/font><\/td>\n<td valign=\"middle\" align=\"center\"><font size=\"2\">Type IV-b<\/font><\/td>\n<td valign=\"middle\" align=\"center\"><font size=\"2\">Plugged and Covered Via \u2013 Double Sided<\/font><\/td>\n<td valign=\"middle\" align=\"center\"><img loading=\"lazy\" decoding=\"async\" src=\"\/\/m.letratesoro.com\/wp-content\/uploads\/2023\/05\/IPC4761-typeIV-b.png\" width=\"150\" height=\"90\" \/><\/td>\n<td valign=\"middle\"><font size=\"2\">\u4e00\u822c\u4f7f\u7528LPI\u6216\u6a39\u8102<\/font><font size=\"2\">\u5728\u96d9\u9762\u585e\u5b54\u7684\u4e0a\u65b9\u518d\u8986\u84cb\u4e00\u5c64\u9632\u710a\u3002<\/font><\/td>\n<td valign=\"middle\"><font size=\"2\">\u53ef\u4ee5\u4f7f\u7528\uff0c\u4f46\u662f\u8981\u7559\u610f\u5c0e\u901a\u5b54\u4e2d\u5c09\u586b\u6eff\u7684\u4f4d\u7f6e\u662f\u5426\u5728\u7d93\u904e\u9ad8\u6eab\u6642\u6703\u6709\u7206\u5b54\u7684\u6a5f\u6703\u3002<\/font><\/td>\n<\/tr>\n<tr>\n<td valign=\"middle\" align=\"center\"><font size=\"2\">Filled Via            <br \/>\u586b\u5b54<\/font><\/td>\n<td valign=\"middle\" align=\"center\"><font size=\"2\">Type V<\/font><\/td>\n<td valign=\"middle\" align=\"center\"><font size=\"2\">Filled Via<\/font><\/td>\n<td valign=\"middle\" align=\"center\"><img loading=\"lazy\" decoding=\"async\" src=\"\/\/m.letratesoro.com\/wp-content\/uploads\/2023\/05\/IPC4761-typeV.png\" width=\"150\" height=\"82\" \/><\/td>\n<td valign=\"middle\"><font size=\"2\">\u4e00\u822c\u4f7f\u7528LPI\u6216\u6a39\u8102\u5c07\u5c0e\u901a\u5b54\u5b8c\u5168\u586b\u6eff\u3002<\/font><\/td>\n<td valign=\"middle\"><font size=\"2\">\u4e00\u822c\u53ea\u8981\u586b\u5b54\u5c31\u6703\u984d\u5916\u518d\u52a0\u4e00\u5c64\u9632\u710a\u6216\u91d1\u5c6c\u934d\u5c64\uff0c\u6c92\u898b\u904e\u6709\u4eba\u55ae\u7368\u9019\u6a23\u4f7f\u7528\u7684\u3002<\/font><\/td>\n<\/tr>\n<tr>\n<td valign=\"middle\" align=\"center\"><font size=\"2\">Filled and Covered Via<\/font><\/td>\n<td valign=\"middle\" align=\"center\"><font size=\"2\">Type VI-a<\/font><\/td>\n<td valign=\"middle\" align=\"center\"><font size=\"2\">Filled and Covered Via \u2013 Single Sided<\/font><\/td>\n<td valign=\"middle\" align=\"center\"><img loading=\"lazy\" decoding=\"async\" src=\"\/\/m.letratesoro.com\/wp-content\/uploads\/2023\/05\/IPC4761-typeVI-a.png\" width=\"150\" height=\"86\" \/><\/td>\n<td valign=\"middle\"><font size=\"2\">\u4e00\u822c\u4f7f\u7528LPI\u6216\u6a39\u8102<\/font><font size=\"2\">\u586b\u5b54\u5f8c\u5728\u55ae\u9762\u8986\u84cb\u4e00\u5c64\u9632\u710a\u3002<\/font><\/td>\n<td valign=\"middle\"><font size=\"2\">\u53ef\u5f37\u5316Type V<\/font><\/td>\n<\/tr>\n<tr>\n<td valign=\"middle\" align=\"center\"><font size=\"2\">Filled and Covered Via <\/font><\/td>\n<td valign=\"middle\"><font size=\"2\">Type VI-b<\/font><\/td>\n<td valign=\"middle\" align=\"center\"><font size=\"2\">Filled and Covered Via \u2013 Double Sided<\/font><\/td>\n<td valign=\"middle\" align=\"center\"><img loading=\"lazy\" decoding=\"async\" src=\"\/\/m.letratesoro.com\/wp-content\/uploads\/2023\/05\/IPC4761-typeVI-b.png\" width=\"150\" height=\"90\" \/><\/td>\n<td valign=\"middle\"><font size=\"2\">\u4e00\u822c\u4f7f\u7528LPI\u6216\u6a39\u8102\u586b\u5b54\u5f8c\u5728\u96d9\u9762\u5404\u8986\u84cb\u4e00\u5c64\u9632\u710a\u3002<\/font><\/td>\n<td valign=\"middle\"><font size=\"2\">\u53ef\u5f37\u5316Type V<\/font><\/td>\n<\/tr>\n<tr>\n<td valign=\"middle\" align=\"center\"><font size=\"2\">Filled and Capped Via<\/font><\/td>\n<td valign=\"middle\" align=\"center\"><font size=\"2\">Type VII<\/font><\/td>\n<td valign=\"middle\" align=\"center\"><font size=\"2\">Filled and Capped Via \u2013 Single Sided<\/font><\/td>\n<td valign=\"middle\" align=\"center\"><img loading=\"lazy\" decoding=\"async\" src=\"\/\/m.letratesoro.com\/wp-content\/uploads\/2023\/05\/IPC4761-typeVII.png\" width=\"150\" height=\"90\" \/><\/td>\n<td valign=\"middle\"><font size=\"2\">\u4e00\u822c\u4f7f\u7528LPI\u6216\u6a39\u8102\u586b\u5b54\u5f8c\u5728\u96d9\u9762\u5404\u8986\u84cb\u4e00\u5c64\u91d1\u5c6c\u710a\u588a\u3002<\/font><\/td>\n<td valign=\"middle\"><font size=\"2\">\u53ef\u4ee5\u5728\u9ad8\u5bc6\u5ea6\u677f\u4f7f\u7528\uff0c\u7279\u5225\u662fVia-In-Pad\u6216Ball-on-Via\u710a\u588a\u53ef\u4ee5\u7bc0\u7701\u7a7a\u9593<\/font><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr \/>\n<p><font size=\"4\">\u5ef6\u4f38\u95b1\u8b80\uff1a      <br \/><\/font><a href=\"\/\/m.letratesoro.com\/2011\/01\/test-point-on-pcb\/\"><font size=\"4\">PCB\u96fb\u8def\u677f\u70ba\u4f55\u8981\u6709\u6e2c\u8a66\u9ede\uff1f<\/font><\/a>     <br \/><a href=\"\/\/m.letratesoro.com\/2015\/06\/pth-npth-via\/\"><font size=\"4\">\u96fb\u8def\u677f\u4e0a\u70ba\u4f55\u8981\u6709\u5b54\u6d1e\uff1f\u4f55\u8b02PTH\/NPTH\/vias(\u5c0e\u901a\u5b54)<\/font><\/a>     <br \/><a href=\"\/\/m.letratesoro.com\/2017\/07\/soldermask\/\"><font size=\"4\">Solder Mask(S\/M)\u662f\u4ec0\u9ebc\uff1f\u5c0dPCB\u6709\u4ec0\u9ebc\u7528\u8655\uff1f\u53ea\u6709\u7da0\u8272\u55ce\uff1f<\/font><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u9019\u4efdIPC-4761\u5370\u5237\u96fb\u8def\u677f\u5c0e\u901a\u5b54\u7d50\u69cb\u5efa\u4fdd\u8b77\u6307 &#8230;<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[28,20,3],"tags":[81,175],"aioseo_notices":[],"views":4482,"_links":{"self":[{"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/posts\/10715"}],"collection":[{"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/comments?post=10715"}],"version-history":[{"count":7,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/posts\/10715\/revisions"}],"predecessor-version":[{"id":10744,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/posts\/10715\/revisions\/10744"}],"wp:attachment":[{"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/media?parent=10715"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/categories?post=10715"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/tags?post=10715"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}