{"id":10692,"date":"2023-05-03T08:18:00","date_gmt":"2023-05-03T00:18:00","guid":{"rendered":"\/\/m.letratesoro.com\/?p=10692"},"modified":"2023-05-28T13:11:40","modified_gmt":"2023-05-28T05:11:40","slug":"pcb-vias-plugging","status":"publish","type":"post","link":"\/\/m.letratesoro.com\/2023\/05\/pcb-vias-plugging\/","title":{"rendered":"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"},"content":{"rendered":"<p align=\"center\"><font size=\"4\"><img decoding=\"async\" src=\"\/\/m.letratesoro.com\/wp-content\/uploads\/2023\/05\/PCB-3types-via-plugging-methods01.png\" \/><\/font><\/p>\n<p align=\"justify\"><font size=\"4\">\u53f0\u7063\u7684\u7814\u767c\u5de5\u7a0b\u5e2b\u6709\u500b\u5f88\u5927\u7684\u512a\u52e2\u662f\u61c2\u5f97\u88fd\u9020\u6bd4\u5927\u90e8\u5206\u5176\u4ed6\u570b\u5bb6\u7684\u5de5\u7a0b\u5e2b\u4f86\u5f97\u591a\uff0c\u6bd4\u8f03\u4e0d\u6703\u8a2d\u8a08\u51fa\u7121\u6cd5\u751f\u7522\u7684\u7522\u54c1\uff0c\u56e0\u70ba\u4ed6\u5011\u53ef\u4ee5\u5c31\u8fd1\u89c0\u5bdf\u5de5\u5ee0\u7684\u4f5c\u696d\uff0c\u4e86\u89e3\u5de5\u5ee0\u7684\u9700\u6c42\uff0c\u4f46\u81ea\u5f9e\u88fd\u9020\u696d\u5916\u79fb\u5f8c\uff0c\u5f88\u591a\u7814\u767c\u5de5\u7a0b\u5e2b\u4f3c\u4e4e\u96e2\u5de5\u5ee0\u4e5f\u8d8a\u4f86\u8d8a\u9060\uff0c\u5c24\u5176\u662f\u8ca0\u8cacPCB\u4f48\u7ddalayout\u7684\u5de5\u7a0b\u5e2b\uff0c\u4ed6(\u5979)\u5011\u5e7e\u4e4e\u5f88\u5c11\u6709\u6a5f\u6703\u516c\u8cbb\u51fa\u5dee\u3002<\/font><\/p>\n<p align=\"justify\"><font size=\"4\">\u9019\u5176\u4e2d\u6709\u4e00\u500b\u5f88\u91cd\u8981\u7684\u8b70\u984c\u662f<\/font><strong><font color=\"#ff0000\" size=\"4\">\u5c0e\u901a\u5b54(vias)\u8a2d\u8a08\u662f\u5426\u9700\u8981\u585e\u5b54<\/font><\/strong><font size=\"4\">\uff0c\u70ba\u4f55\u5de5\u5ee0\u7684\u88fd\u7a0b\u5de5\u7a0b\u5e2b\u7e3d\u4f86\u8981\u6c42PCB\u8981\u585e\u5b54\uff1f\u5230\u5e95\u5168\u585e\u5b54\u8207\u534a\u585e\u5b54\u53c8\u5404\u6709\u4ec0\u9ebc\u512a\u7f3a\u9ede\uff1f\u5c0d\u88fd\u7a0b\u53c8\u6709\u4f55\u5f71\u97ff\uff1f<\/font><\/p>\n<p><!--more--><\/p>\n<h2><font face=\"\u5fae\u8edf\u6b63\u9ed1\u9ad4\"><font style=\"font-weight: bold;\" color=\"#0000ff\">\u4ec0\u9ebc\u662fPCB\u5c0e\u901a\u5b54(vias)\uff1f<\/font><\/font><\/h2>\n<p align=\"justify\"><img decoding=\"async\" style=\"margin: 5px 0px 0px; float: left; display: inline;\" src=\"\/\/m.letratesoro.com\/wp-content\/uploads\/images\/PCB_7416\/PCB_via_holes_type01.jpg\" align=\"left\" \/><font size=\"4\"><a title=\"PCB\u540d\u8a5e\u89e3\u91cb\uff1a\u901a\u5b54\u3001\u76f2\u5b54\u3001\u57cb\u5b54\" href=\"\/\/m.letratesoro.com\/2011\/07\/pth-blind-hole-buried-hole\/\" target=\"_blank\" rel=\"noopener\">\u5c0e\u901a\u5b54(via)<\/a>\u662f\u7528\u4f86\u9023\u63a5\u53ca\u5c0e\u901a\u5370\u5237\u96fb\u8def\u677f(PCB)\u4e0d\u540c\u5c64\u4e4b\u9593\u7684\u9285\u7b94\u7dda\u8def\u7528\u7684\u3002\u56e0\u70baPCB\u57fa\u672c\u4e0a\u5c31\u662f\u7531\u4e00\u5c64\u4e00\u5c64\u7684\u9285\u7b94\u5c64\u5806\u758a\u7d2f\u7a4d\u800c\u6210\uff0c\u800c\u4e0a\u4e0b\u76f8\u9130\u9285\u7b94(copper)\u5c64\u4e4b\u9593\u5247\u6703\u518d\u92ea\u4e0a\u4e00\u5c64\u7d55\u7de3\u81a0\u7247\u5c64(PP)\uff0c\u4e5f\u5c31\u662f\u8aaa\u9285\u7b94\u5c64\u5f7c\u6b64\u4e4b\u9593\u662f\u4e0d\u4e92\u901a\u7684\uff0c\u800c\u4e0d\u540c\u9285\u7b94\u5c64\u4e4b\u9593\u7684\u8a0a\u865f\u50b3\u905e\u9760\u7684\u5c31\u662fvias\u3002<\/font><\/p>\n<p align=\"justify\"><font size=\"4\">\u6211\u5011\u53ef\u4ee5\u628a\u4e0d\u540c\u7684\u9285\u7b94\u5c64\u60f3\u50cf\u6210\u5927\u578b\u767e\u8ca8\u516c\u53f8\u7684\u4e0d\u540c\u6a13\u5c64\uff0c\u56e0\u70ba\u6709\u9694\u9593\uff0c\u6240\u4ee5\u5c31\u7b97\u540c\u4e00\u6a13\u5c64\u4e5f\u4e0d\u4e00\u5b9a\u5c31\u76f8\u901a\uff0c\u800c\u5c0e\u901a\u5b54\u5c31\u76f8\u7576\u65bc\u6a13\u68af\u901a\u9053\uff0c\u6a13\u68af\u4e0d\u53ea\u4e00\u8655\uff0c\u6240\u4ee5PCB\u4e0a\u6703\u6709\u5f88\u591a\u7684\u5c0e\u901a\u5b54\u4f86\u9023\u63a5\u4e0d\u540c\u7684\u6a13\u5c64\u3002<\/font><\/p>\n<h2><font face=\"\u5fae\u8edf\u6b63\u9ed1\u9ad4\"><font style=\"font-weight: bold;\" color=\"#0000ff\">\u4ec0\u9ebc\u662fPCB\u585e\u5b54\uff1fPCB\u4e0d\u585e\u5b54\u6703\u6709\u4f55\u5f71\u97ff\uff1f<\/font><\/font><\/h2>\n<p align=\"justify\"><font size=\"4\">\u5c0e\u901a\u5b54\u4e00\u822c\u90fd\u662f\u900f\u5149\u7684\uff0c\u4e5f\u5c31\u662f\u7576\u4f60\u628aPCB\u62ff\u8d77\u4f86\u5c0d\u8457\u71c8\u5149\uff0c\u53ef\u4ee5\u770b\u5230\u4e00\u4e9b\u6709\u6f0f\u5149\u7684\u5c0f\u5b54\u5927\u6982\u5c31\u662f\u4e86\uff0c\u800c\u585e\u5b54(plugging)\u5c31\u662f\u8981\u628a\u9019\u4e9b\u5c0e\u901a\u5b54(vias)\u7d66\u5835\u8d77\u4f86\uff0c\u8b93\u5b83\u4e0d\u518d\u900f\u5149\uff0c\u585e\u5b54\u6700\u5927\u76ee\u7684\u662f\u70ba\u4e86\u907f\u514dPCB\u5728SMT\u53ca\u6ce2\u710a\u88fd\u7a0b\u6642\u51fa\u73fe\u4e0d\u5fc5\u8981\u7684\u710a\u63a5\u54c1\u8cea\u554f\u984c\u3002\u7576\u7136\uff0cPCB\u4e0a\u9664\u4e86\u5c0e\u901a\u5b54\u5916\u9084\u6709\u901a\u5b54(Through Hole)\u710a\u63a5\u7528\u7684\u96fb\u934d\u901a\u5b54(PTH)\u8207\u5b9a\u4f4d\u6216\u56fa\u5b9a\u9396\u87ba\u7d72\u7528\u7684\u975e\u96fb\u934d\u901a\u5b54(NPTH)\u3002<\/font><\/p>\n<p align=\"center\"><font color=\"#ff0000\">\uff08\u5c0d\u65bc\u5927\u9678\u90a3\u4e9b\u76dc\u6587\u7db2\u7ad9\uff0c\u8907\u88fd\u8cbc\u4e0a\u672c\u7ad9\u6587\u7ae0\u5f8c\uff0c\u5c45\u7136\u9084\u6539\u6210\u81ea\u5df1\u516c\u53f8\u7684\u540d\u5b57\uff0c\u611f\u5230\u7121\u6065\uff01\u6587\u7ae0\u5167\u5bb9\u90e8\u4efd\u9632\u6b62\u8907\u88fd\u7de8\u6392\u53ef\u80fd\u9020\u6210\u60a8\u95b1\u8b80\u7684\u4e0d\u4fbf\uff0c\u8acb\u898b\u8ad2\uff01\uff09<\/font><\/p>\n<p align=\"justify\"><font size=\"4\">\u5c0e\u901a\u5b54\u5982\u679c\u525b\u597d\u5750\u843d\u5728\u9700\u8981\u5370\u5237\u932b\u818f\u710a\u63a5\u7684\u710a\u588a\u4e0a\uff0c\u4e00\u822c\u6211\u5011\u7a31\u4e4b\u70ba\u300c<a title=\"BGA\u3001QFN\u5c0e\u901a\u5b54\u5728\u588a(Vias-in-pad)\u7684\u7f3a\u9ede\u53ca\u8655\u7406\u539f\u5247\" href=\"\/\/m.letratesoro.com\/2010\/11\/vias-in-pad\/\" target=\"_blank\" rel=\"noopener\">\u901a\u5b54\u5728\u588a(via-in-pad)<\/a>\u300d\u3002\u5728\u7d93\u904e\u56de\u710a\u9ad8\u6eab\u6642\uff0c\u5370\u5237\u5728\u6709\u5c0e\u901a\u5b54\u710a\u588a\u4e0a\u7684\u932b\u818f\u5c31\u6703\u958b\u59cb\u878d\u5316\uff0c\u800c\u878d\u7194\u7684\u932b\u6db2\u5247\u6703\u7d93\u7531\u5c0e\u901a\u5b54\u6d41\u5230PCB\u7684\u53e6\u4e00\u9762\uff0c\u9019\u5c07\u4f7f\u5f97\u539f\u672c\u710a\u588a\u4e0a\u7684\u932b\u818f\u91cf\u6e1b\u5c11\uff0c\u9020\u6210\u5c11\u932b(Solder insufficient)\u3001\u7a7a\u710a(solder skip)\u3001\u4e0d\u6f64\u6fd5(non-wetting)\u7b49\u554f\u984c\uff0c\u800c\u9806\u6d41\u5230PCB\u53e6\u4e00\u9762\u7684\u932b\u5247\u53ef\u80fd\u6703\u8207\u5176\u4ed6\u96f6\u4ef6\u77ed\u8def\u800c\u9020\u6210\u4e0d\u53ef\u9810\u671f\u7684\u554f\u984c\uff0c\u5c24\u5176\u662f\u90a3\u4e9b\u525b\u597d\u4f4d\u65bc\u96f6\u4ef6\u5e95\u90e8\u7684\u5c0e\u901a\u5b54\uff0c\u7531\u65bc\u96f6\u4ef6\u672c\u9ad4\u8207PCB\u4e4b\u9593\u7684\u5fae\u5c0f\u7e2b\u9699\uff0c\u932b\u6db2\u5bb9\u6613\u56e0\u6bdb\u7d30\u4f5c\u7528\u800c\u6cbf\u8457\u7e2b\u9699\u6ef2\u6d41\u5230\u4e00\u4e9b\u4e0d\u53ef\u9810\u671f\u7684\u5730\u65b9\u9020\u6210\u54c1\u8cea\u554f\u984c\u3002<\/font><\/p>\n<p align=\"justify\"><font size=\"4\">\u53e6\u5916\uff0c\u5982\u679cPCB\u9700\u8981\u6d41\u7d93<a title=\"\u4f55\u8b02\u300c\u6ce2\u5cf0\u710a(wave soldering)\u300d\uff1f\u6ce2\u710a\u88fd\u7a0b\u6280\u8853\u4ecb\u7d39\" href=\"\/\/m.letratesoro.com\/2013\/04\/wave-soldering\/\" target=\"_blank\" rel=\"noopener\">\u6ce2\u710a(wave soldering)<\/a>\u88fd\u7a0b\uff0c\u7279\u5225\u662f\u958b\u555f\u64fe\u6d41\u6ce2(chip wave)\u6642\uff0c\u7ffb\u6efe\u7684\u932b\u6db2\u53ef\u662f\u975e\u5e38\u8f15\u6613\u5c31\u53ef\u4ee5\u900f\u904e\u90a3\u4e9b\u672a\u585e\u5b54\u7684\u5c0e\u901a\u5b54\u800c\u6ea2\u6d41\u5230\u96f6\u4ef6\u9762\uff0c\u9020\u6210\u4e00\u4e9b\u4e0d\u53ef\u9810\u671f\u7684\u77ed\u8def\u554f\u984c\u3002<\/font><\/p>\n<h2><font face=\"\u5fae\u8edf\u6b63\u9ed1\u9ad4\"><font style=\"font-weight: bold;\" color=\"#0000ff\">PCB\u662f\u5982\u4f55\u585e\u5b54\u7684\uff1f\u4e09\u7a2e\u585e\u5b54\u65b9\u6cd5\u4ecb\u7d39<\/font><\/font><\/h2>\n<p align=\"justify\"><font size=\"4\">\u585e\u5b54\u5c31\u662f\u4f7f\u7528\u7269\u8cea\u5c07\u5c0e\u901a\u5b54\u7d66\u586b\u5145\u5835\u6b7b\uff0c\u5c31\u5de5\u4f5c\u718a\u500b\u4eba\u7684\u4e86\u89e3\u76ee\u524d\u6709\u4e09\u7a2e\u5e38\u7528\u7684\u585e\u5b54\u65b9\u6cd5\uff0c\u5206\u5225\u70ba\uff1a<\/font><\/p>\n<ul>\n<li>\n<p align=\"justify\"><font size=\"4\"><strong><font color=\"#9b00d3\">\u9632\u710a\u585e\u5b54(solder mask covered)\uff1a              <br \/><\/font><\/strong>\u4f7f\u7528\u9632\u710a\u6f06(solder mask)\u5370\u5237\u5728\u5df2\u7d93\u5b8c\u6210\u96fb\u934d\u9285\u7684\u5c0e\u901a\u5b54\u4e0a\u65b9\uff0c\u8b93\u9632\u710a\u6f06\u81ea\u7136\u6d41\u5165\u5c0e\u901a\u5b54\u4e2d\u4e26\u5c07\u4e4b\u963b\u585e\u3002\u4f7f\u7528\u9632\u710a\u6f06\u585e\u5b54\u7684\u512a\u9ede\u662f\u4fbf\u5b9c\uff0c\u7f3a\u9ede\u5247\u662f\u54c1\u8cea\u8f03\u4e0d\u6613\u63a7\u5236\u4e14\u5bb9\u6613\u5f62\u6210\u51f9\u9677\uff0c\u7576\u932b\u818f\u5370\u5237\u4e0d\u826fPCB\u6e05\u6d17\u4e0d\u5230\u4f4d\u6642\u932b\u73e0\u5bb9\u6613\u9677\u5165\u6b98\u7559\u65bc\u9019\u4e9b\u51f9\u9677\u8655\uff0c\u7576\u7136\u9019\u4e9b\u90fd\u6709\u8fa6\u6cd5\u53ef\u4ee5\u89e3\u6c7a\uff0c\u5c31\u662f\u52a0\u88fd\u7a0b\u8207\u7ba1\u63a7\u3002\u53e6\u5916\u6709\u4e00\u500b\u4e0d\u7b97\u7f3a\u9ede\u4f46\u5fc5\u9808\u63d0\u9192\u7684\u4e8b\u9805\uff0c\u9632\u710a\u585e\u5b54\u7684\u5c0e\u901a\u5b54\u8868\u9762\u8986\u84cb\u7684\u662f\u7d55\u7de3\u9632\u710a\u6f06\uff0c\u5b83\u7121\u6cd5\u5403\u932b\u4e5f\u4e0d\u80fd\u505a\u70ba\u96fb\u6027\u63a5\u89f8\u4e4b\u7528\u3002\u4f7f\u7528\u9632\u710a\u585e\u5b54\u6642\u5b54\u5f91\u5efa\u8b70\u8981\u57280.4mm (16mil)\u4ee5\u4e0b\uff0c\u5426\u5247\u9632\u710a\u6f06\u5c07\u7121\u6cd5\u5b8c\u5168\u8986\u84cb\u585e\u4f4f\u5c0e\u901a\u5b54\u3002<\/font><\/p>\n<\/li>\n<li>\n<p align=\"justify\"><font size=\"4\"><strong><font color=\"#9b00d3\">\u6a39\u8102\u585e\u5b54(resin plugging)\uff1a              <br \/><\/font><\/strong>\u4f7f\u7528\u6a39\u8102\u5c07\u5df2\u7d93\u5b8c\u6210\u96fb\u934d\u9285\u7684\u5c0e\u901a\u5b54\u586b\u5e73\uff0c\u7136\u5f8c\u518d\u65bc\u5176\u4e0a\u65b9\u934d\u9285\u8b8a\u6210\u710a\u588a\u3002\u8aaa\u8d77\u4f86\u5f88\u7c21\u55ae\uff0c\u4f46\u6a39\u8102\u585e\u5b54\u6642\u7531\u65bc\u7121\u6cd5\u78ba\u4fdd\u6bcf\u6b21\u585e\u5b54\u7684\u8868\u9762\u90fd\u80fd\u8207\u710a\u588a\u9f4a\u5e73\uff0c\u6240\u4ee5\u5fc5\u9808\u984d\u5916\u5c07\u4e4b\u78e8\u5e73\u5f8c\u518d\u57f7\u884c\u4e00\u6b21\u96fb\u934d\u9285\uff0c\u7576\u7136\u4e5f\u53ef\u4ee5\u9078\u64c7\u8868\u9762\u4e0d\u505a\u96fb\u934d\u9285\uff0c\u800c\u76f4\u63a5\u4ee5\u9632\u710a\u6f06\u8986\u84cb\u3002\u6a39\u8102\u585e\u5b54\u512a\u9ede\u662f\u8868\u9762\u53ef\u4ee5\u88fd\u4f5c\u96fb\u934d\u9285\u53ca\u5176\u4ed6\u7684\u8868\u9762\u8655\u7406\u91d1\u5c6c\uff0c\u4e0d\u6703\u5f71\u97ff\u5230\u710a\u932b\u91cf\uff0c\u53e6\u5916\u5c31\u7b97\u901a\u5b54\u76f4\u5f91\u8d85\u904e0.4mm\u4e5f\u53ef\u4ee5\u585e\u5b54\uff1b\u6a39\u8102\u585e\u5b54\u7684\u7f3a\u9ede\u662f\u6a39\u8102\u53ef\u80fd\u4e0d\u592a\u5bc6\u5be6\u6703\u6709\u7e2b\u9699\uff0c\u6587\u737b\u53ca\u7d93\u9a57\u986f\u793a\uff0c\u9019\u4e9b\u7e2b\u9699\u4e2d\u7684\u7a7a\u6c23\u5728\u56de\u710a\u53d7\u71b1\u904e\u7a0b\u4e2d\u53ef\u80fd\u9032\u5165BGA\u7684\u932b\u7403\u5167\u90e8\u9020\u6210\u4e2d\u7a7a\u5f31\u5316\u710a\u932b\u5f37\u5ea6\uff0c\u4e26\u5439\u8139\u932b\u7403\u5916\u5f91\u8207\u76f8\u9130\u932b\u7403\u77ed\u8def\u3002           <br \/><img loading=\"lazy\" decoding=\"async\" src=\"\/\/m.letratesoro.com\/wp-content\/uploads\/2023\/05\/PCB-resin-plugging\u6a39\u8102\u585e\u5b54ResearchMFG01.jpg\" width=\"540\" height=\"326\" \/><\/font><\/p>\n<\/li>\n<li>\n<p align=\"justify\"><font size=\"4\"><strong><font color=\"#9b00d3\">\u96fb\u934d\u9285\u585e\u5b54(copper electroplating microvia filling)\uff1a              <br \/><\/font><\/strong><img decoding=\"async\" style=\"margin: 8px 10px 0px 0px; float: left; display: inline;\" src=\"\/\/m.letratesoro.com\/wp-content\/uploads\/2023\/05\/PCB-copper-electroplating-via-plugged-dimple.jpg\" align=\"left\" \/>\u5229\u7528\u6dfb\u52a0\u5291\u7684\u7279\u6027\uff0c\u63a7\u5236\u5c40\u90e8\u5340\u57df\u9285\u7684\u751f\u9577\u901f\u7387\uff0c\u4f86\u9032\u884c\u586b\u5b54\u7684\u76ee\u7684\uff0c\u53ea\u662f\u96fb\u934d\u586b\u5b54\u7684\u5b54\u5f91\u4e0d\u53ef\u592a\u5927\uff0c\u4e00\u822c\u53ea\u80fd\u5728\u4f7f\u7528\u96f7\u5c04\u947d\u5b54\u7684\u5fae\u901a\u5b54(micro-via)\u4e2d\u4f7f\u7528\u3002\u96fb\u934d\u585e\u5b54\u6709\u6a39\u8102\u585e\u5b54\u5f8c\u96fb\u934d\u7684\u6240\u6709\u512a\u9ede\uff0c\u4f46\u662f\u4e0d\u6703\u6709\u7a7a\u6c23\u85cf\u5728\u901a\u5b54\u4e2d\u7684\u554f\u984c\uff0c\u7f3a\u9ede\u662f\u50f9\u683c\u8f03\u8cb4\uff0c\u4e14\u586b\u5b54\u5f8c\u5bb9\u6613\u51fa\u73fe\u8868\u9762\u51f9\u9677\u7684dimple\uff0cdimple\u5982\u679c\u592a\u6df1\u3002\u5bb9\u6613\u9020\u6210BGA\u7a7a\u710a\u53ca\u5b54\u6d1e\u554f\u984c\uff0c\u6240\u4ee5\u9700\u8981\u8207PCB\u88fd\u9020\u5546\u8a02\u5b9adimple\u6df1\u5ea6\u7684\u898f\u683c\u3002<\/font><\/p>\n<\/li>\n<\/ul>\n<p><font size=\"4\">\u8981\u6ce8\u610f\u7684\u662f\u585e\u5b54\u53ef\u4e0d\u53ea\u4ee5\u4e0a\u4e09\u7a2e\u65b9\u6cd5\u3002<\/font><\/p>\n<p align=\"center\"><font color=\"#ff0000\">\uff08\u5c0d\u65bc\u5927\u9678\u90a3\u4e9b\u76dc\u6587\u7db2\u7ad9\uff0c\u8907\u88fd\u8cbc\u4e0a\u672c\u7ad9\u6587\u7ae0\u5f8c\uff0c\u5c45\u7136\u9084\u6539\u6210\u81ea\u5df1\u516c\u53f8\u7684\u540d\u5b57\uff0c\u611f\u5230\u7121\u6065\uff01\u6587\u7ae0\u5167\u5bb9\u90e8\u4efd\u9632\u6b62\u8907\u88fd\u7de8\u6392\u53ef\u80fd\u9020\u6210\u60a8\u95b1\u8b80\u7684\u4e0d\u4fbf\uff0c\u8acb\u898b\u8ad2\uff01\uff09<\/font><\/p>\n<h2><font face=\"\u5fae\u8edf\u6b63\u9ed1\u9ad4\"><font style=\"font-weight: bold;\">\u4f55\u8b02\u534a\u585e\u5b54\u8207\u5168\u585e\u5b54\uff1f<\/font><\/font><\/h2>\n<p align=\"justify\"><font size=\"4\">\u5168\u585e\u5b54\u5c31\u662f\u5c07\u6574\u500b\u5c0e\u901a\u5b54\u5168\u90e8\u90fd\u7d66\u585e\u6eff\u76f4\u5230PCB\u5169\u9762\u7684\u8868\u9762\uff0c\u9019\u4e5f\u662f\u6211\u5011\u4e00\u822c\u5c0d\u585e\u5b54\u7684\u5370\u8c61\u3002\u800c\u534a\u585e\u5b54\u5247\u53ea\u80fd\u7528\u5728\u9632\u710a\u585e\u5b54\uff0c\u4e00\u822c\u662f\u70ba\u4e86\u7bc0\u7701\u6210\u672c\uff0c\u56e0\u70baPCB\u7684\u50f9\u9322\u9664\u4e86\u6750\u6599\u6210\u672c\u5916\uff0c\u518d\u4f86\u5c31\u662f\u88fd\u7a0b\u7684\u591a\u5be1\uff0c\u88fd\u7a0b\u8d8a\u591a\u7576\u7136\u5c31\u8d8a\u8cb4\u3002<\/font><\/p>\n<p align=\"center\"><img decoding=\"async\" src=\"\/\/m.letratesoro.com\/wp-content\/uploads\/2023\/05\/PCB-solder-mask-plugging-ResearchMFG01.png\" \/><\/p>\n<p align=\"justify\"><font size=\"4\">\u300c\u6a39\u8102\u5168\u585e\u5b54\u300d\u7684\u4e00\u822c\u88fd\u7a0b\u662f\u4f7f\u7528\u7d72\u5370\u7db2\u7248\u5728\u9700\u8981\u585e\u5b54\u7684PCB\u4e00\u9762\u5148\u5370\u4e0a\u9632\u710a\u6f06\uff0c\u6709\u4e9b\u6bd4\u8f03\u5927\u7684\u5b54\u53ef\u80fd\u5f97\u5728PCB\u7684\u540c\u4e00\u9762\u5370\u5169\u6b21\u4ee5\u4e0a\uff0c\u7d93\u904e\u70d8\u70e4\u5f8c\uff0c\u518d\u65bcPCB\u7684\u53e6\u4e00\u9762\u9700\u8981\u585e\u5b54\u7684\u4f4d\u7f6e\u5370\u4e0a\u9632\u710a\u6f06\uff0c\u9019\u6a23\u624d\u80fd\u8b93\u9632\u710a\u6f06\u586b\u6eff\u6574\u500b\u5c0e\u901a\u5b54\u7684\u76ee\u7684\u3002<\/font><\/p>\n<p align=\"justify\"><font size=\"4\">\u800c\u6240\u8b02\u7684\u300c\u534a\u585e\u5b54\u300d\uff0c\u5c31\u662f\u53ea\u5728PCB\u4e00\u9762\u9700\u8981\u585e\u5b54\u7684\u4f4d\u7f6e\u5370\u5237\u9632\u710a\u6f06\uff0c\u800cPCB\u53e6\u5916\u4e00\u9762\u5c0d\u61c9\u7684\u5c0e\u901a\u5b54\u4f4d\u7f6e\u5247\u4e0d\u518d\u5370\u5237\u9632\u710a\u6f06\uff0c\u9019\u6a23\u5c31\u7bc0\u7701\u4e86PCB\u7684\u90e8\u5206\u88fd\u7a0b\uff0cPCB\u7684\u50f9\u9322\u81ea\u7136\u5c31\u6703\u964d\u4f4e\u3002<\/font><\/p>\n<p align=\"justify\"><font size=\"4\">\u53ea\u662f\u534a\u585e\u5b54\u7684\u54c1\u8cea\u554f\u984c\u4e0d\u5c11\uff0c\u9664\u975e\u662f\u55ae\u9762\u677f\u7d44\u88dd\u88fd\u7a0b\uff0c\u5426\u5247\u4e0d\u5efa\u8b70\u4f7f\u7528\u3002\u534a\u585e\u5b54\u5728PCB\u677f\u5ee0\u7684\u751f\u7522\u5de5\u85dd\u4e0a\u5bb9\u6613\u5728\u5b54\u58c1\u7684\u5167\u90e8\u7a7a\u9593\u5f62\u6210\u6b7b\u89d2\uff0c\u6b98\u7559\u96b1\u85cf\u5316\u5b78\u85e5\u6c34\uff0c\u7121\u6cd5\u88ab\u6e05\u6d17\u4e7e\u6de8\uff0c\u9019\u6a23\u5c31\u5bb9\u6613\u5728\u5f8c\u7e8c\u7684SMT\u6216\u6ce2\u710a\u6642\u9020\u6210\u53ef\u9760\u6027\u554f\u984c\uff0c\u4e5f\u5bb9\u6613\u9032\u932b\u73e0\u3002<\/font><\/p>\n<p align=\"center\"><font color=\"#ff0000\">\uff08\u5c0d\u65bc\u5927\u9678\u90a3\u4e9b\u76dc\u6587\u7db2\u7ad9\uff0c\u8907\u88fd\u8cbc\u4e0a\u672c\u7ad9\u6587\u7ae0\u5f8c\uff0c\u5c45\u7136\u9084\u6539\u6210\u81ea\u5df1\u516c\u53f8\u7684\u540d\u5b57\uff0c\u611f\u5230\u7121\u6065\uff01\u6587\u7ae0\u5167\u5bb9\u90e8\u4efd\u9632\u6b62\u8907\u88fd\u7de8\u6392\u53ef\u80fd\u9020\u6210\u60a8\u95b1\u8b80\u7684\u4e0d\u4fbf\uff0c\u8acb\u898b\u8ad2\uff01\uff09<\/font><\/p>\n<h2><font face=\"\u5fae\u8edf\u6b63\u9ed1\u9ad4\"><font style=\"font-weight: bold;\" color=\"#0000ff\">PCB\u7684\u5c0e\u901a\u5b54\u585e\u5b54\u5f8c\u6703\u5f71\u97ff\u5c0e\u71b1\u6216\u662f\u9ad8\u983b\/\u9ad8\u901f\u7684\u6548\u679c\uff1f<\/font><\/font><\/h2>\n<p align=\"justify\"><font size=\"4\">\u9019\u4f3c\u4e4e\u662f\u5f88\u591aPCB\u7684layout\u5de5\u7a0b\u5e2b\u90fd\u6703\u6709\u7684\u7591\u554f\uff1f\u5de5\u7a0b\u5e2b\u5011\u7e3d\u662f\u64d4\u5fc3\u5c0e\u901a\u5b54\u585e\u5b54\u5f8c\u662f\u5426\u6703\u5f71\u97ff\u5230\u5c0e\u71b1\u6216\u662f\u9ad8\u983b\u7684\u6548\u679c\u3002<\/font><\/p>\n<p align=\"justify\"><font size=\"4\">\u5176\u5be6\uff0c\u5f71\u97ff\u6563\u71b1\u5c0e\u901a\u5b54(thermal vias)\u6548\u7387\u7684\u6700\u5927\u56e0\u7d20\u662f\u9285\u7b94\u901a\u9053\u7684\u5927\u5c0f\uff0c\u4e5f\u5c31\u662f\u8aaa\u7576\u71b1\u6e90(\u901a\u5e38\u662fIC)\u7d93\u7531\u8d8a\u5927\u7684\u9285\u622a\u9762\u7a4d\u9023\u63a5\u5230\u8f03\u4f4e\u6eab\u5ea6(\u901a\u5e38\u662f\u63a5\u5730)\u7684\u6563\u71b1\u6548\u679c\u8d8a\u597d\uff0c\u5982\u679c\u5c0e\u901a\u5b54\u4f7f\u7528\u96fb\u934d\u9285\u585e\u5b54\u53cd\u800c\u53ef\u4ee5\u589e\u52a0\u6563\u71b1\u7387\uff0c\u56e0\u70ba\u9285\u622a\u9762\u7a4d\u589e\u52a0\u4e86\uff0c\u800c\u4f7f\u7528\u6a39\u8102\u5168\u585e\u5b54\u8868\u9762\u505a\u96fb\u934d\u9285\u6642\u6563\u71b1\u6548\u679c\u5dee\u7570\u4e0d\u5927\uff0c\u4f7f\u7528\u9632\u710a\u585e\u5b54\u7684\u8a71\u5247\u6703\u4f7f\u5f97\u6563\u71b1\u6548\u679c\u8b8a\u5dee\uff0c\u4f46\u4e5f\u53ea\u662f\u5dee\u4e00\u9ede\u9ede\uff0c\u4e0d\u904e\u9019\u500b\u53ef\u4ee5\u85c9\u7531\u589e\u52a0\u6563\u71b1\u5c0e\u901a\u5b54\u7684\u6578\u91cf\u4f86\u5f2d\u88dc\u3002<\/font><\/p>\n<p> <font size=\"4\"><\/font>  <\/p>\n<p align=\"justify\"><font size=\"4\">\u81f3\u65bc\u585e\u5b54\u6703\u4e0d\u6703\u5f71\u97ff\u9ad8\u983b\u7684\u6548\u7387\uff0c\u5c31\u5de5\u4f5c\u718a\u500b\u4eba\u7684\u4e86\u89e3\uff0c\u9ad8\u983b\u8a0a\u865f\u6700\u597d\u4e0d\u8981\u7d93\u7531\u5c0e\u901a\u5b54\u4f86\u50b3\u905e\u8a0a\u865f\uff0c\u4f46\u9019\u5e7e\u4e4e\u4e0d\u592a\u53ef\u80fd\uff0c\u56e0\u70ba\u9ad8\u983b\u8a0a\u865f\u50b3\u905e\u6642\u4e0d\u5efa\u8b70\u6709\u6fc0\u70c8\u7684\u8f49\u6298\u8207\u9ad8\u4f4e\u8d77\u4f0f\uff0c\u800cvia-in-pad\u8a2d\u8a08\u5982\u679c\u4e0d\u585e\u5b54\u7684\u8a71\uff0c\u5728SMT\u88fd\u7a0b\u6642\u5c31\u7121\u6cd5\u9810\u4f30\u4e26\u4fdd\u8b49\u6bcf\u6b21\u6d41\u5165\u5c0e\u901a\u5b54\u7684\u710a\u932b\u91cf\u90fd\u662f\u56fa\u5b9a\u7684\uff0c\u4e5f\u5c31\u662f\u8aaa\u50b3\u905e\u8a0a\u865f\u7684\u5c0e\u9ad4\u9762\u7a4d\u7121\u6cd5\u56fa\u5b9a\uff0c\u9019\u6a23\u5c31\u53ef\u80fd\u9020\u6210\u9ad8\u983b\u7684\u50b3\u8f38\u4e0d\u7a69\uff1b\u53e6\u5916\uff0c\u8a0a\u865f\u50b3\u905e\u7684\u5c0e\u9ad4\u7a81\u7136\u5f9e\u9285(\u7b94)\u8f49\u63db\u70ba\u932b(\u6d41\u5165\u901a\u5b54\u7684\u710a\u932b)\uff0c\u518d\u8f49\u56de\u9285(\u7b94)\u7684\u904e\u7a0b\u4e2d\u53ef\u80fd\u4e5f\u6703\u9020\u6210\u9ad8\u983b\u8a0a\u865f\u5ef6\u9072\u4e0d\u540c\u6b65\uff0c\u6240\u4ee5\u9ad8\u983b\/\u9ad8\u901f\u677f\u7684via-in-pad\u6700\u597d\u53ef\u4ee5\u585e\u5b54\uff0c\u800c\u4e14\u6700\u597d\u662f\u96fb\u934d\u9285\u585e\u5b54\uff0c\u4f7f\u7528\u4e00\u81f4\u7684\u5c0e\u9ad4\uff0c\u964d\u4f4e\u8a0a\u865f\u50b3\u905e\u7684\u5931\u8aa4\u3002<\/font><\/p>\n<p><font size=\"4\">\u5de5\u4f5c\u718a\u4e0d\u662f\u9ad8\u983b\/\u9ad8\u901f\u677f\u7684\u5c08\u5bb6\uff0c\u5982\u679c\u6709\u932f\u8aa4\u6b61\u8fce\u6307\u6b63\u3002<\/font><\/p>\n<h2><font style=\"font-weight: bold;\" color=\"#0000ff\" face=\"\u5fae\u8edf\u6b63\u9ed1\u9ad4\">PCB\u4e0a\u90a3\u4e9b\u4f4d\u7f6e\u7684\u5c0e\u901a\u5b54\u9700\u8981\u585e\u5b54\uff1f<\/font><\/h2>\n<p align=\"justify\"><font 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size=\"4\">\u5982\u679c\u662f\u63a1\u7528\u9632\u710a\u585e\u5b54\u6642\uff0c\u5728\u4e0d\u9700\u8981\u585e\u5b54\u7684\u5c0e\u901a\u5b54\u4f4d\u7f6e\u5c31\u9700\u8981\u505a\u9632\u710a\u958b\u7a97\uff0c\u5426\u5247PCB\u5ee0\u5c31\u6703\u4f7f\u7528\u9632\u710a\u8986\u84cb\u65bc\u6c92\u6709\u958b\u7a97\u7684\u5c0e\u901a\u5b54\uff0c\u7576\u7136\u5728PCB\u88fd\u4f5c\u7684\u898f\u683c\u66f8\u6ce8\u610f\u4e8b\u9805\u4e2d\u6700\u597d\u7279\u5225\u52a0\u8a3b\u8981\u63a1\u7528\u4f55\u7a2e\u585e\u5b54\u88fd\u7a0b\uff0c\u514d\u5f97\u5230\u6642\u5019PCB\u88fd\u4f5c\u51fa\u4f86\u6642\u8207\u60f3\u50cf\u7684\u4e0d\u540c\u3002<\/font><\/p>\n<p align=\"justify\"><font size=\"4\">\u9808\u7559\u610f\u7684\u662f\uff0cGerber\u4e2d\u5b9a\u7fa9PCB\u898f\u683c\u6642\uff0c\u9632\u710a\u5c64\u70ba\u8ca0\u7247\uff0c\u4e5f\u5c31\u662f\u9ed1\u5f71\u70ba\u958b\u7a97\uff0c\u4e0d\u9700\u8981\u5370\u5237\u9632\u710a\u6f06\u3002<\/font><\/p>\n<p align=\"justify\"><font size=\"4\"><a title=\"\u516d\u7a2eIPC-4761\u5b9a\u7fa9\u7684\u5370\u5237\u96fb\u8def\u677f\u5c0e\u901a\u5b54(\u585e\u5b54)\u7d50\u69cb\u4fdd\u8b77\u8a2d\u8a08\" href=\"\/\/m.letratesoro.com\/2023\/05\/ipc-4761\/\" target=\"_blank\" rel=\"noopener\">IPC-4761\u4e2d\u6709\u5b9a\u7fa9\u5404\u7a2e\u4e0d\u540c\u7684\u585e\u5b54\u5de5\u85dd<\/a>\uff0c\u6709\u8208\u8da3\u7684\u670b\u53cb\u53ef\u4ee5\u53c3\u8003\u770b\u770b\u3002<\/font><\/p>\n<hr \/>\n<p><font size=\"4\">\u5ef6\u4f38\u95b1\u8b80\uff1a    <br \/><a href=\"\/\/m.letratesoro.com\/2011\/01\/test-point-on-pcb\/\">PCB\u96fb\u8def\u677f\u70ba\u4f55\u8981\u6709\u6e2c\u8a66\u9ede\uff1f<\/a><\/font>   <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>\u53f0\u7063\u7684\u7814\u767c\u5de5\u7a0b\u5e2b\u6709\u500b\u5f88\u5927\u7684\u512a\u52e2\u662f\u61c2\u5f97\u88fd\u9020\u6bd4\u5927\u90e8\u5206 &#8230;<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20,22,3],"tags":[81,175],"aioseo_notices":[],"views":11629,"_links":{"self":[{"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/posts\/10692"}],"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=10692"}],"version-history":[{"count":11,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/posts\/10692\/revisions"}],"predecessor-version":[{"id":10723,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/posts\/10692\/revisions\/10723"}],"wp:attachment":[{"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/media?parent=10692"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/categories?post=10692"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/tags?post=10692"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}