{"id":672,"date":"2010-11-12T18:20:49","date_gmt":"2010-11-12T10:20:49","guid":{"rendered":"\/\/m.letratesoro.com\/2010\/11\/dip-paste-in-hole\/"},"modified":"2023-10-31T22:56:43","modified_gmt":"2023-10-31T14:56:43","slug":"dip-paste-in-hole","status":"publish","type":"post","link":"\/\/m.letratesoro.com\/2010\/11\/dip-paste-in-hole\/","title":{"rendered":"\u5982\u4f55\u8b93\u901a\u5b54\u5143\u4ef6\/\u50b3\u7d71\u63d2\u4ef6\u8d70\u56de\u710a\u7210\u88fd\u7a0b(Paste-in-Hole, PIH)"},"content":{"rendered":"<p align=\"center\"><img decoding=\"async\" title=\"\u5982\u4f55\u8b93\u901a\u5b54\u5143\u4ef6\/\u50b3\u7d71\u63d2\u4ef6\u8d70\u56de\u710a\u7210\u88fd\u7a0b(Paste-in-Hole, PIH):\u96fb\u8def\u677f\u7684\u710a\u588a\u8a2d\u8a08\u8207\u932b\u818f\u5370\u5237\u958b\u5b54\" style=\"border-width: 0px; margin: 10px 10px 0px 0px; display: inline;\" border=\"0\" alt=\"\u5982\u4f55\u8b93\u901a\u5b54\u5143\u4ef6\/\u50b3\u7d71\u63d2\u4ef6\u8d70\u56de\u710a\u7210\u88fd\u7a0b(Paste-in-Hole, PIH):\u96fb\u8def\u677f\u7684\u710a\u588a\u8a2d\u8a08\u8207\u932b\u818f\u5370\u5237\u958b\u5b54\" src=\"\/\/m.letratesoro.com\/wp-content\/uploads\/2010\/11\/paste-in-hole03.png\" \/><\/p>\n<p align=\"justify\"><font size=\"4\">\u3010<\/font><strong><font style=\"background-color: rgb(255, 255, 0);\" color=\"#0000ff\" size=\"4\">\u901a\u5b54\u5370\u932b\u818f\uff08PIH\uff0cPaste-In-Hole\uff09<\/font><\/strong><font size=\"4\">\u3011<font size=\"4\">\u88fd\u7a0b\u5c31\u662f\u628a<a title=\"\u4ecb\u7d39\u4e26\u8a8d\u8b58\u3010\u932b\u818f(solder paste)\u3011\u7684\u57fa\u672c\u77e5\u8b58(\u542b\u52a9\u710a\u5291)\" href=\"\/\/m.letratesoro.com\/2013\/04\/solder-paste\/\" rel=\"noopener\" target=\"_blank\">\u932b\u818f(Solder paste)<\/a>\u76f4\u63a5\u5370\u5237\u65bcPCB(Print Circuit Board\uff0c\u96fb\u8def\u677f)\u7684<a title=\"\u96fb\u8def\u677f\u4e0a\u70ba\u4f55\u8981\u6709\u5b54\u6d1e\uff1f\u4f55\u8b02PTH\/NPTH\/vias(\u5c0e\u901a\u5b54)\" href=\"\/\/m.letratesoro.com\/2015\/06\/pth-npth-via\/\" rel=\"noopener\" target=\"_blank\">\u96fb\u934d\u901a\u5b54(PTH, Plating Through Hole)<\/a>\u4e0a\u9762\uff0c\u7136\u5f8c\u518d\u628a<a title=\"DIP\u53ef\u4ee5\u4ee3\u8868\u96fb\u8def\u677f\u7d44\u88dd\u7684\u63d2\u4ef6\u55ce\uff1f\u6539\u7528THT\u3001THD\u6703\u4e0d\u6703\u66f4\u6070\u7576\uff1f\" href=\"\/\/m.letratesoro.com\/2021\/10\/dip-tht-thd\/\" rel=\"noopener\" target=\"_blank\">\u50b3\u7d71\u63d2\u4ef6\/\u901a\u5b54\u5143\u4ef6\uff08DIP, Dual In Line Package \/ THD, Through-Hole Device\uff09<\/a>\u76f4\u63a5\u63d2\u5165\u5230\u5df2\u7d93\u5370\u6709\u932b\u818f\u7684\u96fb\u934d\u901a\u5b54\u4e2d\uff0c\u9019\u6642\u96fb\u934d\u901a\u5b54\u4e0a\u7684\u932b\u818f\u6703\u6709\u90e8\u5206\u6cbe\u9ecf\u5728\u63d2\u4ef6\u96f6\u4ef6\u7684\u710a\u8173\u4e0a\uff0c\u4f46\u5927\u90e8\u5206\u9084\u662f\u4fdd\u7559\u5728PCB\u4e0a\uff0c\u9019\u4e9b\u6cbe\u9ecf\u5728\u710a\u8173\u4ee5\u53caPCB\u710a\u588a\u4e0a\u7684\u932b\u818f\u5728\u7d93\u904e\u56de\u710a\u7210\u9ad8\u6eab\u52a0\u71b1\u6642\u6703\u7194\u878d\uff0c\u9032\u800c\u5c07\u96f6\u4ef6\u710a\u63a5\u65bc\u96fb\u8def\u677f\u4e0a\uff0c\u53ef\u4ee5\u53d6\u4ee3<a href=\"\/\/m.letratesoro.com\/2013\/04\/wave-soldering\/\" rel=\"noopener\" target=\"_blank\">\u6ce2\u5cf0\u710a\u63a5(Wave Soldering)<\/a>\u6216\u624b\u710a(Hand Soldering)\u88fd\u7a0b\u3002<\/font><\/font><\/p>\n<p align=\"justify\"><font size=\"4\">\u9019\u7a2e\u88fd\u7a0b\u5de5\u6cd5\u9084\u6709\u5176\u4ed6\u7684\u540d\u7a31\u53eb\u300c<\/font><strong><font color=\"#0000ff\" size=\"4\">\u5f15\u8173\u6d78\u932b\u818f(pin-in-paste\uff0cPIP)<\/font><\/strong><font size=\"4\">\u300d\u3001\u300c<\/font><strong><font color=\"#0000ff\" size=\"4\">\u4fb5\u5165\u5f0f\u56de\u6d41\u710a\u63a5 (Intrusive Reflow Soldering\uff0cIRS)<\/font><\/strong><font size=\"4\">\u300d \u548c\u300c<\/font><strong><font color=\"#0000ff\" size=\"4\">\u901a\u5b54\u56de\u6d41\u710a(Reflow Of Through-hole\uff0cROT)<\/font><\/strong><font size=\"4\">\u300d\u7b49\u3002<\/font><\/p>\n<p><!--more--><\/p>\n<p align=\"justify\"><font size=\"4\">\u9019\u7a2e\u5de5\u6cd5\u7684\u597d\u8655\u662f\u53ef\u4ee5\u514d\u53bb\u4eba\u5de5\u710a\u63a5\u6216\u6ce2\u710a\u7b49\u4e0d\u7a69\u5b9a\u7684\u88fd\u7a0b\u4e26\u9032\u800c\u7bc0\u7701\u710a\u63a5\u7684\u4f5c\u696d\u5de5\u6642(Labor)\uff0c\u540c\u6642\u4e5f\u53ef\u4ee5\u63d0\u6607\u710a\u63a5\u7684\u54c1\u8cea\uff0c\u6e1b\u5c11\u710a\u63a5\u77ed\u8def(Solder short)\u6216\u7a7a\u710a(non-wetting)\u7684\u6a5f\u6703\u3002<\/font><\/p>\n<p><font color=\"#9b00d3\" size=\"5\"><strong>\u4f46\u9019\u7a2ePIH\u5de5\u6cd5\u537b\u6709\u8457\u4e0b\u5217\u7684\u5148\u5929\u689d\u4ef6\u9650\u5236\uff1a<\/strong><\/font><\/p>\n<ul>\n<li>\n<p align=\"justify\"><font size=\"4\"><strong><font color=\"#0000ff\">\u50b3\u7d71\u96f6\u4ef6\u7684\u8010\u71b1\u80fd\u529b\u5fc5\u9808\u7b26\u5408\u56de\u6d41\u710a\u7684\u6eab\u5ea6\u8981\u6c42<\/font><\/strong>\u3002           <br \/> \u4e00\u822c\u7684\u63d2\u4ef6\u96f6\u4ef6\u901a\u5e38\u4f7f\u7528\u6bd4\u56de\u6d41\u710a\u96f6\u4ef6\u8010\u6eab\u8f03\u4f4e\u7684\u6750\u6599\u3002\u56e0\u70baPIH\u5de5\u6cd5\u8981\u6c42\u50b3\u7d71\u96f6\u4ef6\u8207\u4e00\u822c\u7684SMT\u96f6\u4ef6\u4e00\u8d77\u6d41\u904e\u56de\u6d41\u710a(reflow)\u7210\uff0c\u6240\u4ee5\u5fc5\u9808\u8981\u7b26\u5408reflow\u7684\u8010\u6eab\u9700\u6c42\u3002 \u7121\u925b\u7684\u96f6\u4ef6\u73fe\u5728\u8981\u6c42\u5fc5\u9808\u53ef\u4ee5\u8010\u5230260\u00b0C\u7dad\u630110sec\u3002<\/font><\/p>\n<\/li>\n<li>\n<p align=\"justify\"><font size=\"4\"><strong><font color=\"#0000ff\">\u96f6\u4ef6\u6700\u597d\u6709\u5377\u5e36\u5305\u88dd(tape-on-reel)\u3002              <br \/><\/font><\/strong>\u800c\u4e14\u96f6\u4ef6\u4e0a\u7aef\u8981\u6709\u8db3\u5920\u7684\u5e73\u9762\u53ef\u4ee5\u7d93\u7531SMT\u7684\u81ea\u52d5\u8cbc\u710a\u6a5f(pick and place machine)\u7684\u5438\u5634\u4f86\u53d6\u653e\u5230\u96fb\u8def\u677f(PCB)\u4e0a\uff0c\u5982\u679c\u4e0d\u884c\u7684\u8a71\uff0c\u5c31\u8981\u8003\u616e\u52a0\u6d3e\u4e00\u540d\u4f5c\u696d\u54e1\uff0c\u4eba\u5de5\u624b\u52d5\u64fa\u653e\u96f6\u4ef6\uff0c\u9019\u6642\u5c31\u8981\u8861\u91cf\u6240\u9700\u7684\u5de5\u6642\u8207\u54c1\u8cea\u4e0d\u7a69\uff0c\u56e0\u70ba\u4eba\u5de5\u63d2\u4ef6\u6709\u53ef\u80fd\u6703\u56e0\u4f5c\u696d\u4e0d\u5c0f\u5fc3\u800c\u78b0\u89f8\u5230\u5176\u4ed6\u5df2\u7d93\u64fa\u653e\u5b9a\u4f4d\u7684\u96f6\u4ef6\u3002 \u7576\u7136\u4e5f\u53ef\u4ee5\u8003\u616e\u7570\u5f62\u6253\u4ef6\u6a5f\u3002<\/font><\/p>\n<\/li>\n<li>\n<p align=\"justify\"><font size=\"4\"><strong><font color=\"#0000ff\">\u96f6\u4ef6\u672c\u9ad4(body)\u8207PCB\u7684\u710a\u588a\u8981\u6709\u67b6\u9ad8(standoff)\u8a2d\u8a08\u3002              <br \/><\/font><\/strong>\u4e00\u822cPIH\u88fd\u7a0b\u90fd\u6703\u5c07\u932b\u818f\u5370\u5237\u5f97\u6bd4\u710a\u588a\u7684\u5916\u6846\u9084\u8981\u5927\uff0c\u9019\u662f\u70ba\u4e86\u589e\u52a0\u932b\u818f\u710a\u932b\u91cf\u4ee5\u9054\u5230\u81f3\u5c1175%\u7684\u901a\u5b54\u586b\u5145\u7387\u8981\u6c42\uff0c\u5982\u679c\u96f6\u4ef6\u8207\u710a\u588a\u4e4b\u9593\u6c92\u6709\u67b6\u9ad8\u8a2d\u8a08\uff0c\u5c31\u7121\u6cd5\u5728\u92fc\u677f\u4e0a\u64f4\u5b54\u4f86\u589e\u52a0\u932b\u818f\u5370\u5237\u91cf\uff0c\u9019\u6703\u5927\u5927\u5f71\u97ff\u586b\u5b54\u7387\u3002\u5176\u6b21\uff0c\u6c92\u6709\u96f6\u4ef6\u67b6\u9ad8\u8a2d\u8a08\uff0c\u5728\u56de\u710a\u6642\u7194\u878d\u7684\u932b\u818f\u6703\u6cbf\u8457\u96f6\u4ef6\u8207PCB\u4e4b\u9593\u7684\u7a7a\u9699\u6e38\u8d70\uff0c\u9020\u6210\u591a\u9918\u7684\u932b\u6e23\u8207\u932b\u73e0\uff0c\u53ef\u80fd\u5f71\u97ff\u65e5\u5f8c\u7684\u96fb\u6c23\u54c1\u8cea\u4e0d\u826f\u3002<\/font>         <br \/><img loading=\"lazy\" decoding=\"async\" title=\"Paste-In-Hole-Standoff\" style=\"border-width: 0px; padding-top: 0px; padding-right: 0px; padding-left: 0px; display: inline; background-image: none;\" border=\"0\" alt=\"Paste-In-Hole-Standoff\" src=\"\/\/m.letratesoro.com\/wp-content\/uploads\/images\/paste-in-hole_F8D4\/Paste-In-Hole-Standoff.png\" width=\"447\" height=\"205\" \/><\/p>\n<\/li>\n<li>\n<p align=\"justify\"><font size=\"4\"><strong><font color=\"#0000ff\">\u50b3\u7d71\u96f6\u4ef6\u6700\u597d\u5728\u7b2c\u4e8c\u9762\u6253\u4ef6(\u5982\u679c\u6709\u5169\u9762SMT\u7684\u6642\u5019)<\/font><\/strong>\u3002           <br \/> \u96f6\u4ef6\u5982\u679c\u5df2\u7d93\u5148\u5728\u7b2c\u4e00\u9762\u6253\u4ef6\u4e86\uff0c\u7b2c\u4e8c\u9762\u7e7c\u7e8c\u6253SMD\u7684\u6642\u5019\uff0c\u932b\u818f\u6709\u53ef\u80fd\u6703\u5012\u6d41\u9032\u5165\u50b3\u7d71\u96f6\u4ef6\uff0c\u9020\u6210\u96f6\u4ef6\u5167\u90e8\u77ed\u8def\u7684\u53ef\u80fd\uff0c\u5c24\u5176\u662f\u9023\u63a5\u5668(connector)\u7684\u96f6\u4ef6\u66f4\u8981\u7279\u5225\u5c0f\u5fc3\u3002<\/font><\/p>\n<\/li>\n<\/ul>\n<p align=\"justify\"><font size=\"4\">\u5efa\u8b70\u5ef6\u4f38\u95b1\u8b80\uff1a<a href=\"\/\/m.letratesoro.com\/2015\/02\/smd-to-pih\/\" rel=\"noopener\" target=\"_blank\">\u628aSMD\u96f6\u4ef6\u6539\u6210\u901a\u5b54\u56de\u6d41\u710a(Paste-In-Hole)\u88fd\u7a0b\u6703\u6709\u4f55\u5dee\u5225\u53ca\u5f71\u97ff?<\/a><\/font><\/p>\n<p align=\"justify\"><font size=\"4\">\u53e6\u5916\uff0c\u710a\u932b\u91cf\u662f\u9019\u7a2e\u5de5\u6cd5\u7684\u6700\u5927\u6311\u6230\u3002IPC-610\u5c0d\u901a\u5b54\u710a\u63a5\u9ede\u7684\u53ef\u63a5\u53d7\u6a19\u6e96\u710a\u932b\u91cf\u586b\u5145\u7387\u5fc5\u9808\u5927\u65bc\u8f09\u677f\u539a\u5ea6\u768475\uff05\u4ee5\u4e0a\uff0c\u67d0\u4e9b\u8981\u6c4250%\u5c31\u53ef\u4ee5\u4e86\u3002(\u8acb\u53c3\u8003\u4e0b\u5716\uff0c\u8a73\u7d30\u898f\u683c\u8acb\u67e5\u8a62 IPC-610 section 7.3.5) <\/font>    <br \/><img loading=\"lazy\" decoding=\"async\" title=\"PTHsolderverticalfill752\" style=\"border-width: 0px; display: inline;\" border=\"0\" alt=\"PTHsolderverticalfill752\" src=\"\/\/m.letratesoro.com\/wp-content\/uploads\/2010\/11\/PTHsolderverticalfill752.jpg\" width=\"240\" height=\"180\" \/> <img loading=\"lazy\" decoding=\"async\" title=\"PTHsolderverticalfillcriteria2\" style=\"border-width: 0px; display: inline;\" border=\"0\" alt=\"PTHsolderverticalfillcriteria2\" src=\"\/\/m.letratesoro.com\/wp-content\/uploads\/2010\/11\/PTHsolderverticalfillcriteria2.jpg\" width=\"220\" height=\"110\" \/><\/p>\n<p align=\"justify\"><font size=\"4\">\u5de5\u4f5c\u718a\u767c\u73fe\u4f3c\u4e4e\u4e0d\u662f\u6bcf\u500b\u4eba\u90fd\u53ef\u4ee5\u8f15\u6613\u89e3\u8b80IPC-A-610\u95dc\u65bc\u652f\u6490\u901a\u5b54\u586b\u5b54\u7387\u7684\u8981\u6c42(Supported Holes \u2013 Solder \u2013Vertical Fill)\u3002<strong><em><font color=\"#ff0000\">\u5176\u5be6\u5f88\u591a\u4eba\u90fd\u88ab\u5782\u76f4\u586b\u5b54\u7387\u7684\u5716\u7247\u7d66\u8aa4\u5c0e\u4e86<\/font><\/em><\/strong>\uff0c\u5176\u5be6PIH\u88fd\u7a0b\u7684\u710a\u63a5\u7d42\u6b62\u9762\u662f\u5728\u5716\u7247<strong><font color=\"#0000ff\">\u96fb\u8def\u677f\u5e95\u65b9\u662f\u4e0d\u9700\u8981\u6709\u932b\u7684<\/font><\/strong>\uff0c\u8207\u5716\u7247\u525b\u597d\u985b\u5012\u3002\u5728\u5176\u8868\u683c7.4 Plated-Through Holes with Component Leads \u2013 Minimum Acceptable Solder Conditions\u4e2d\u6709\u8aaa\u660e\uff08\u4e0d\u540c\u7248\u672c\u7684IPC-A-610\u6703\u51fa\u73fe\u5728\u4e0d\u540c\u7ae0\u7bc0\uff09<\/font><\/p>\n<blockquote>\n<p align=\"justify\"><font size=\"4\" face=\"\u5fae\u8edf\u6b63\u9ed1\u9ad4\">7.4\u8868\u683cB\u9805\u8aaa\u660e\uff1a\u710a\u63a5<strong><font color=\"#9b00d3\">\u7d42\u6b62\u9762(destination)<\/font><\/strong>\u7684\u5f15\u8173\u548c\u5b54\u58c1\u7684\u6f64\u6fd5\u53ef\u63a5\u53d7\u70ba180\u00b0(2\u7d1a)\u8207270\u00b0(3\u7d1a)\u3002\u9019\u88e1\u5c31\u5df2\u7d93\u8aaa\u660e\u898f\u5b9a\u7684\u662f\u5b54\u74a7\u8207\u5f15\u8173\/\u710a\u8173\u7684\u6f64\u6fd5\u4e86\uff0c\u8207\u710a\u63a5\u7d42\u6b62\u9762\u7684\u901a\u5b54\u662f\u5426\u586b\u6eff\u6c92\u6709\u95dc\u4fc2<\/font><\/p>\n<p align=\"justify\"><font size=\"4\" face=\"\u5fae\u8edf\u6b63\u9ed1\u9ad4\">7.4\u8868\u683cC\u9805\u8aaa\u660e\uff1a\u710a\u63a5<strong><font color=\"#9b00d3\">\u7d42\u6b62\u9762(destination)<\/font><\/strong>\u7684\u710a\u588a\u5340\u57df\u88ab\u6f64\u6fd5\u7684\u710a\u6599\u8986\u84cb\u7684\u767e\u5206\u6bd4\u70ba0\u3002\u5247\u8868\u793a\u710a\u63a5\u7684\u4e2d\u6b62\u9762\u4e0d\u9700\u8981\u6709\u932b\u3002<\/font><\/p>\n<p align=\"justify\"><font size=\"4\" face=\"\u5fae\u8edf\u6b63\u9ed1\u9ad4\">7.4\u8868\u683cD\u9805\u8aaa\u660e\uff1a\u710a\u63a5<strong><font color=\"#0000ff\">\u8d77\u59cb\u9762(source)<\/font><\/strong>\u7684\u5f15\u8173\u548c\u5b54\u58c1\u7684\u6f64\u6fd5\u53ef\u63a5\u53d7\u70ba270\u00b0(2\u7d1a)\u8207330\u00b0(3\u7d1a)\u3002<\/font><\/p>\n<p align=\"justify\"><font size=\"4\" face=\"\u5fae\u8edf\u6b63\u9ed1\u9ad4\">7.4\u8868\u683cE\u9805\u8aaa\u660e\uff1a\u710a\u63a5<strong><font color=\"#0000ff\">\u8d77\u59cb\u9762(source)<\/font><\/strong>\u7684\u710a\u588a\u5340\u57df\u88ab\u6f64\u6fd5\u7684\u710a\u6599\u8986\u84cb\u7684\u767e\u5206\u6bd4\u70ba75\uff05\u3002\u8868\u793a\u710a\u63a5\u7684\u8d77\u59cb\u9762\u81f3\u5c11\u9700\u8981\u670975\uff05\u7684\u710a\u932b\u8986\u84cb\u7387\u3002<\/font><\/p>\n<\/blockquote>\n<p><font size=\"4\">\u81f3\u65bc\u932b\u818f\u91cf\u7684\u8a08\u7b97\uff0c\u53ef\u4ee5\u7528<strong><font color=\"#0000ff\">\u901a\u5b54\u7684\u6700\u5927\u76f4\u5f91<\/font><\/strong>\u6e1b\u53bb<strong><font color=\"#0000ff\">\u5f15\u8173\u7684\u6700\u5c0f\u76f4\u5f91<\/font><\/strong>\u5148\u8a08\u7b97\u5713\u9762\u7a4d(\u03c0r<sup>2<\/sup>)\uff0c\u7136\u5f8c\u4e58\u4e0a<strong><font color=\"#0000ff\">\u96fb\u8def\u677f\u7684\u539a\u5ea6<\/font><\/strong>\u53d6\u5f97\uff0c\u8981\u8a18\u5f97\u518d<strong><font color=\"#0000ff\">x2<\/font><\/strong>\uff0c\u56e0\u70ba\u932b\u818f\u5167\u7684\u52a9\u710a\u5291\u4f54\u6389\u4e8650%\uff0c\u4e5f\u5c31\u662f\u8aaa\u7d93\u904ereflow\u4ee5\u5f8c\u932b\u818f\u7684\u9ad4\u7a4d\u53ea\u6703\u5269\u4e0b\u539f\u4f86\u5370\u5237\u932b\u818f\u7684\u4e00\u534a\u9ad4\u7a4d\u800c\u5df2\u3002K \u662f\u500b\u7d93\u9a57\u503c\uff0c\u932b\u818f\u91cf\u9664\u4e86\u8207\u958b\u5b54\u9762\u7a4d\u53ca\u92fc\u677f\u539a\u5ea6\u6709\u95dc\uff0c\u5b83\u9084\u8207\u92fc\u677f\u958b\u5b54\u7684\u5f62\u72c0\uff0c\u92fc\u677f\u958b\u5b54\u5074\u9762\u7684\u8868\u9762\u7c97\u7cd9\u5ea6\uff0c\u522e\u5200\u7684\u901f\u5ea6\u3001\u58d3\u529b\u3001\u6750\u8cea\u8207\u89d2\u5ea6\u6709\u95dc\uff0c\u901a\u5e38\u7121\u6cd5\u9054\u5230\u767e\u5206\u767e\u7684\u4e0b\u932b\u7387\u3002<\/font><\/p>\n<blockquote>\n<p><font color=\"#0000ff\" size=\"4\" face=\"\u5fae\u8edf\u6b63\u9ed1\u9ad4\"><strong>\u6240\u9700\u932b\u818f\u91cf\u9ad4\u7a4d \u2267 \u03c0 \u00d7 [(\u901a\u5b54\u7684\u6700\u5927\u76f4\u5f91 \/2)<sup>2<\/sup>\uff0d \u5f15\u8173\u7684\u6700\u5c0f\u76f4\u5f91\/2)<sup>2<\/sup>] \u00d7 \u96fb\u8def\u677f\u7684\u539a\u5ea6 \u00d7 2 \u00d7 K<\/strong><\/font><\/p>\n<\/blockquote>\n<p align=\"center\"><font style=\"background-color: rgb(255, 255, 0);\" color=\"#ff0000\" size=\"4\">\u8acb\u6ce8\u610f\uff1a\u9019\u500b\u8a08\u7b97\u5f0f\u4e26\u6c92\u6709\u8003\u616e\u8db3\u5920\u932b\u91cf\u6642\u677f\u5b50\u4e0a\u4e0b\u5169\u9762\u6703\u5f62\u6210\u722c\u932b\u5713\u5f27(fillets)\u7684\u9ad4\u7a4d\u3002<\/font><\/p>\n<p><font size=\"4\">\u5982\u679c\u60f3\u4e86\u89e3\u66f4\u8a73\u7d30\u7684\u901a\u5b54\u932b\u91cf\u8a08\u7b97\u65b9\u6cd5\u5efa\u8b70\u53c3\u8003\u3010<\/font><a href=\"\/\/m.letratesoro.com\/2020\/06\/pih-solder-volume-calculation\/\" rel=\"noopener\" target=\"_blank\"><font size=\"4\">\u4e00\u5716\u8aaa\u660eSMT\u901a\u5b54\u56de\u6d41\u710a(PIH)\u88fd\u7a0b\u7684\u5370\u5237\u710a\u932b\u91cf\u5982\u4f55\u8a08\u7b97<\/font><\/a><font size=\"4\">\u3011\u4e00\u6587\u3002<\/font><\/p>\n<h4>\n<p><font color=\"#9b00d3\" size=\"5\"><strong>\u90a3\u8981\u5982\u4f55\u589e\u52a0\u901a\u5b54\u7684\u710a\u932b\u91cf\u5462\uff1f\u4e0b\u5217\u5e7e\u500b\u65b9\u6cd5\u63d0\u4f9b\u7d66\u60a8\u53c3\u8003\uff1a<\/strong><\/font><\/p>\n<\/h4>\n<ul>\n<li>\n<div align=\"justify\"><font size=\"4\"><strong><font color=\"#0000ff\">\u5728\u96fb\u8def\u677f\u7684\u901a\u5b54(PTH)\u9644\u8fd1\u9810\u7559\u8db3\u5920\u7684\u7a7a\u9593\u4f5c over print<\/font><\/strong>           <br \/>\u8ddf Layout Engineer (\u4f48\u7dda\u5de5\u7a0b\u5e2b)\u8a0e\u8ad6\uff0c\u5728\u9700\u8981 <\/font><a title=\"\u628aSMD\u96f6\u4ef6\u6539\u6210\u901a\u5b54\u56de\u6d41\u710a(Paste-In-Hole)\u88fd\u7a0b\u6703\u6709\u4f55\u5dee\u5225\u53ca\u5f71\u97ff?\" href=\"\/\/m.letratesoro.com\/2015\/02\/smd-to-pih\/\" rel=\"noopener\" target=\"_blank\"><font size=\"4\">paste-in-hole<\/font><\/a><font size=\"4\"> \u7684\u901a\u5b54\u9644\u8fd1\u7559\u51fa\u66f4\u591a\u7684\u7a7a\u9593\u4ee5\u5229\u932b\u818f\u5370\u5237\uff0c\u4e5f\u5c31\u662f\u8aaa\u9644\u8fd1\u76e1\u91cf\u4e0d\u8981\u64fa\u653e\u5176\u4ed6\u7684pad(\u710a\u588a)\u6216\u662f\u5176\u4ed6\u4e0d\u9700\u8981\u7684\u710a\u63a5\u901a\u5b54\uff0c\u4ee5\u907f\u514d over print \u6642\u767c\u751f<strong><font color=\"#0000ff\">\u77ed\u8def<\/font><\/strong>\u3002           <br \/> \u6ce8\u610f\uff1a\u932b\u818f\u5370\u5237\u7684\u5e73\u9762\u7a7a\u9593\u7121\u6cd5\u7121\u9650\u5ea6\u7684\u5f80\u5916\u5ef6\u4f38\uff0c\u5fc5\u9808\u8981\u8003\u616e\u5230\u932b\u818f\u7684\u5167\u805a\u529b\u80fd\u529b\uff0c\u8981\u4e0d\u7136\u932b\u818f\u6703\u7121\u6cd5\u5168\u90e8\u6536\u56de\u710a\u588a\u800c\u5f62\u6210\u932b\u73e0\u3002           <br \/> \u53e6\u5916\u4e5f\u8981\u8003\u616e\u932b\u818f\u5370\u5237\u7684\u65b9\u5411\u9700\u914d\u5408\u710a\u588a\u5ef6\u4f38\u7684\u65b9\u5411\u3002(\u6709\u6a5f\u6703\u6211\u5011\u518d\u8a0e\u8ad6\u9019\u4e00\u9ede) <\/font><\/div>\n<\/li>\n<li>\n<p align=\"justify\"><font size=\"4\"><strong><font color=\"#0000ff\">\u7e2e\u5c0f\u96fb\u8def\u677f\u4e0a\u901a\u5b54\u7684\u76f4\u5f91<\/font><\/strong>           <br \/> \u5c31\u5982\u540c\u4e0a\u9762\u7684[\u6240\u9700\u932b\u818f\u91cf\u8a08\u7b97]\uff0c\u901a\u5b54\u76f4\u5f91\u8d8a\u5927\uff08\u56b4\u683c\u4f86\u8aaa\u61c9\u8a72\u662f\u901a\u5b54\u76f4\u5f91\u6e1b\u53bb\u96f6\u4ef6\u5f15\u8173\u76f4\u5f91\u5f8c\u7684\u7a7a\u9593\uff09\uff0c\u6240\u9700\u8981\u7684\u932b\u818f\u91cf\u4e5f\u5c31\u8d8a\u591a\uff0c\u4f46\u540c\u6642\u8981\u8003\u616e\u7684\uff0c\u901a\u5b54\u76f4\u5f91\u7e2e\u5f97\u592a\u5c0f\uff0c\u96f6\u4ef6\u5c31\u8d8a\u96e3\u63d2\u5165\u901a\u5b54\u3002<\/font><\/p>\n<\/li>\n<li>\n<p align=\"justify\"><font size=\"4\"><strong><font color=\"#0000ff\">\u63a1\u7528 step-up(\u5c40\u90e8\u52a0\u539a) \u6216 step-down(\u5c40\u90e8\u6253\u8584) stencil(\u92fc\u677f)<\/font><\/strong>           <br \/>\u9019\u7a2e\u92fc\u677f\u53ef\u4ee5\u5f37\u8feb\u5c40\u90e8\u589e\u52a0\u932b\u818f\u5370\u5237\u7684\u539a\u5ea6\uff0c\u4e5f\u5c31\u53ef\u4ee5\u589e\u52a0\u932b\u818f\u91cf\uff0c\u9032\u800c\u9054\u5230\u710a\u932b\u5145\u6eff\u901a\u5b54\u7684\u76ee\u7684\uff0c\u4f46\u9019\u7a2e\u92fc\u677f\u5e73\u5747\u6bd4\u4e00\u822c\u7684\u92fc\u677f\u8981\u8cb4\u4e0a\u7d04 10%\u5de6\u53f3\u3002\u53ef\u4ee5\u53c3\u8003\u9019\u7bc7\u6587\u7ae0\uff1a <\/font><a href=\"\/\/m.letratesoro.com\/2010\/07\/step-up-stencil\/\"><font size=\"4\">step-up &amp; step-down stencil \u92fc\u677f\u5c40\u90e8\u52a0\u539a\/\u6253\u8584<\/font><\/a><\/p>\n<\/li>\n<li>\n<p align=\"justify\"><font size=\"4\"><strong><font color=\"#0000ff\">\u8abf\u6574\u9069\u7576\u7684\u932b\u818f\u3001\u5370\u5237\u6a5f\u7684\u901f\u5ea6\u53ca\u58d3\u529b\u3001\u522e\u5200\u7684\u985e\u578b\u8207\u89d2\u5ea6\u7b49<\/font><\/strong>\u3002           <br \/> \u932b\u818f\u5370\u5237\u6a5f\u7684\u9019\u4e9b\u53c3\u6578\u6216\u591a\u6216\u5c11\u90fd\u6703\u5f71\u97ff\u5230\u932b\u818f\u5370\u5237\u91cf\uff0c\u53e6\u5916 Viscosity(\u9ecf\u5ea6)\u8f03\u4f4e\u7684\u932b\u818f\u5176\u932b\u818f\u91cf\u6703\u6bd4\u8f03\u591a\u4e00\u9ede\u3002<\/font><\/p>\n<\/li>\n<li>\n<p align=\"justify\"><font size=\"4\"><strong><font color=\"#0000ff\">\u52a0\u9ede\u932b\u818f<\/font><\/strong>           <br \/> \u53ef\u4ee5\u8003\u616e\u7528\u9ede\u81a0\u6a5f(dispenser)\u52a0\u9ede\u932b\u818f\u65bcPaste-in-Hole\u7684\u710a\u588a\u4e0a\u4f86\u589e\u52a0\u932b\u818f\u91cf\uff0c\u7531\u65bc\u73fe\u4eca\u7684SMT\u7522\u7dda\u5e7e\u4e4e\u90fd\u5df2\u7d93\u6c92\u6709\u81ea\u52d5\u9ede\u81a0\u6a5f\u4e86\uff0c\u6240\u4ee5\u4e5f\u53ef\u4ee5\u8003\u616e\u624b\u52d5\u9ede\u81a0\uff0c\u53ef\u662f\u5fc5\u9808\u589e\u52a0\u4e00\u540d\u4f5c\u696d\u54e1\u7684\u5de5\u6642\u3002<\/font><\/p>\n<\/li>\n<li>\n<p><font size=\"4\"><strong><font color=\"#0000ff\">\u4f7f\u7528\u9810\u6210\u578b\u932b\u7247(solder preforms)              <br \/><\/font><\/strong>\u53ef\u4ee5\u53c3\u8003\u9019\u7bc7\u6587\u7ae0\uff1a<\/font><a href=\"\/\/m.letratesoro.com\/2010\/11\/smt-solder-preforms\/\"><font size=\"4\">\u589e\u52a0\u710a\u932b\u91cf\u7684\u53e6\u4e00\u9078\u64c7 \u2500 Solder preforms (\u9810\u6210\u578b\u932b\u7247)<\/font><\/a><\/p>\n<\/li>\n<li>\n<p align=\"justify\"><font size=\"4\"><strong><font color=\"#0000ff\">\u63a1\u7528\u77ed\u8173\u96f6\u4ef6<\/font><\/strong>           <br \/> \u5982\u540c\u6587\u7ae0\u6700\u524d\u9762\u8aaa\u904e\u7684PIH\u6709\u90e8\u4efd\u932b\u818f\u9760\u7684\u662f\u6b98\u7559\u5728\u710a\u8173\u5c16\u7aef\u7684\u932b\u818f\u56de\u6d41\u5230\u901a\u5b54\u4e2d\uff0c\u5982\u679c\u96f6\u4ef6\u710a\u8173\u9577\u5ea6\u8d85\u904ePCB\u539a\u5ea6\u592a\u591a\uff0c\u710a\u8173\u5c16\u7aef\u7684\u932b\u818f\u5c07\u7121\u6cd5\u56de\u6d41\u81f3\u710a\u588a\u3002\u4e00\u822c\u5efa\u8b70\u710a\u8173\u7684\u9577\u5ea6\u53ea\u8981\u8d85\u51fa\u96fb\u8def\u677f\u539a\u5ea60.2mm~06mm\u5373\u53ef\uff08\u96f6\u4ef6\u710a\u8173\u9577\u5ea6\u9084\u5fc5\u9808\u8003\u616e\u710a\u932b\u5f37\u5ea6\u9700\u6c42\uff09\u3002           <br \/><img loading=\"lazy\" decoding=\"async\" src=\"\/\/m.letratesoro.com\/wp-content\/uploads\/2010\/11\/PIH_solder_NO_full_fill.jpg\" width=\"530\" height=\"392\" \/><\/font><\/p>\n<\/li>\n<li>\n<p align=\"justify\"><font size=\"4\"><strong><font color=\"#0000ff\">\u901a\u5b54\u932b\u818f\u958b\u5341\u5b57\u67b6\u6a4b\u907f\u5b54\uff08\u9577\u8173\u7121\u6cd5\u4fee\u77ed\u6642\uff09<\/font><\/strong>           <br \/> \u96f6\u4ef6\u710a\u8173\u5982\u679c\u8d85\u51faPCB\u8868\u9762\u904e\u9577\uff0c\u6703\u9020\u6210\u639b\u932b\uff08\u932b\u818f\u7121\u6cd5\u5b8c\u5168\u56de\u6d41\u81f3PCB\u710a\u9ede\uff09\uff0c\u5c0e\u81f4\u710a\u932b\u7121\u6cd5\u586b\u6eff\u901a\u5b54\uff0c\u800c\u4e14\u56e0\u70ba\u6cbe\u9644\u8173\u5c16\u7684\u932b\u818f\u91cf\u4e0d\u6613\u7ba1\u63a7\u800c\u9020\u6210\u710a\u9ede\u7684\u932b\u91cf\u6642\u591a\u6642\u5c11\u3002\u9019\u6642\u5019\u6700\u597d\u7684\u65b9\u6cd5\u662f\u5c07\u710a\u8173\u9577\u5ea6\u4fee\u77ed\uff0c\u4f46\u5982\u679c\u7121\u6cd5\u4fee\u77ed\uff0c\u5247\u5efa\u8b70\u5728\u901a\u5b54\u4e2d\u9593\u7684\u4f4d\u7f6e\u63a1\u7528\u5341\u5b57\u907f\u5b54\uff0c\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u710a\u8173\u5c16\u6bcf\u6b21\u6cbe\u9644\u5230\u7684\u932b\u818f\u91cf\u8f03\u70ba\u4e00\u81f4\uff0c\u4ee5\u5229\u54c1\u8cea\u7ba1\u63a7\u3002<\/font><\/p>\n<\/li>\n<li>\n<p align=\"justify\"><font size=\"4\"><strong><font color=\"#0000ff\">\u9069\u91cf\u8abf\u9ad8\u4e0b\u6eab\u5340\u6eab\u5ea6\uff08\u9577\u8173\u7121\u6cd5\u4fee\u77ed\u6642\uff09<\/font><\/strong>           <br \/> \u53ef\u4ee5\u9069\u91cf\u8abf\u9ad8\u4e0b\u6eab\u5340\u7684\u6eab\u5ea6\uff0c\u8b93\u710a\u8173\u5c16\u7aef\u7684\u639b\u932b\u53ef\u4ee5\u56e0\u70ba\u9ad8\u6eab\u800c\u56de\u6d41\u81f3\u710a\u9ede\u3002\u8abf\u9ad8\u4e0b\u6eab\u5340\u6eab\u5ea6\u6642\u9700\u7279\u5225\u6ce8\u610f\u662f\u5426\u6703\u6709\u6389\u4ef6\u98a8\u96aa\u6216\u662f\u67d0\u4e9b\u96f6\u4ef6\u7121\u6cd5\u627f\u53d7\u9ad8\u6eab\u3002<\/font><\/p>\n<\/li>\n<li>\n<p align=\"justify\"><font size=\"4\"><strong><font color=\"#0000ff\">\u7b2c\u4e00\u9762\u9810\u4e0a\u932b\uff08\u5982\u679c\u662f\u96d9\u9762\u677f\u5169\u6b21\u56de\u710a\u4e14\u7b2c\u4e00\u9762\u6709\u7a7a\u9593\uff09<\/font><\/strong>           <br \/> \u53ef\u4ee5\u8003\u616e\u5728\u7b2c\u4e00\u6b21\u904e\u56de\u710a\u6642\u65bc\u96f6\u4ef6\u710a\u8173\u9762\u7684\u710a\u588a\u908a\u7de3\u9810\u4e0a\u932b\u818f\uff0c\u7576\u7136\u932b\u818f\u91cf\u53ca\u4f4d\u7f6e\u90fd\u9700\u8981\u63a7\u5236\uff0c\u4e0d\u53ef\u4ee5\u8b93\u710a\u932b\u6d41\u5230\u901a\u5b54\u4e2d\u5f71\u97ff\u7b2c\u4e8c\u6b21\u904e\u56de\u710a\u6642\u63d2\u4ef6\u4f5c\u696d\u3002<\/font><\/p>\n<\/li>\n<\/ul>\n<p align=\"justify\"><font color=\"#0000ff\" size=\"5\"><strong>\u95dc\u65bc\u901a\u5b54\u710a\u63a5\u7684\u586b\u5b54\u7387\u8a0e\u8ad6\uff1a<\/strong><\/font><\/p>\n<p align=\"justify\"><font size=\"4\">\u9019\u7a2e\u901a\u5b54\u710a\u63a5\u53e6\u5916\u9084\u6709\u500b\u554f\u984c\u7d93\u5e38\u88ab\u63d0\u51fa\u4f86\u8a0e\u8ad6\uff0c\u5982\u679c\u96f6\u4ef6\u710a\u8173\u9577\u5ea6\u6bd4PCB\u7684\u539a\u5ea6\u9084\u77ed\u7684\u6642\u5019\uff0c\u662f\u5426\u4ecd\u7136\u5fc5\u9808\u7b26\u5408IPC-A-610\u5c0d\u901a\u5b54\u710a\u63a5\u586b\u5b54\u7387\u5927\u65bc\u677f\u539a\u768475\uff05\u4ee5\u4e0a\u5462\uff1f\u6bd4\u5982\u8aaaMicro-USB\u9023\u63a5\u5668\u7684\u91d1\u5c6c\u6bbc\u710a\u8173\u9577\u5ea6\u70ba0.8mm\u9577\uff0c\u800c\u96fb\u8def\u677f\u5b50\u7684\u539a\u5ea6\u5047\u5982\u67091.6mm\uff0c\u4e5f\u5c31\u662f\u8aaa\u6709\u5c07\u8fd10.8mm\u7684\u901a\u5b54\u662f\u6c92\u6709\u710a\u8173\u5728\u5176\u4e2d\u7684\uff0c\u9019\u6642\u5019\u7528PIH\u7684\u586b\u5b54\u7387\u5e7e\u4e4e\u4e0d\u53ef\u80fd100%\uff0c\u751a\u81f3\u586b\u5b54\u7387\u6703\u4f4e\u65bc75%\uff0c\u9019\u6a23\u662f\u5426\u9700\u8981\u88dc\u932b\u5c07\u901a\u5b54\u586b\u6eff\uff1f<\/font><\/p>\n<p align=\"justify\"><font size=\"4\">\u6839\u64da\u5de5\u4f5c\u718a\u7684\u7d93\u9a57\uff0c\u901a\u5b54\u5167\u6703\u6709\u5927\u69820.3\uff5e0.5mm\u7684\u6df1\u5ea6\u662f\u7121\u6cd5\u586b\u5b54\u7684\uff0c\u9664\u975e\u7b2c\u4e8c\u6b21\u52a0\u5de5\uff0c\u4f46\u9019\u771f\u7684\u6709\u5fc5\u8981\u55ce\uff1f\u8981\u6c42\u710a\u932b\u586b\u5b54\u767e\u5206\u6bd4\u7684\u76ee\u7684\u53c8\u662f\u70ba\u4f55\uff1f<\/font><\/p>\n<p align=\"justify\"><font size=\"4\">\u710a\u932b\u7684\u9996\u8981\u76ee\u7684\u4e0d\u5916\u4e4e\u8d77\u5230\u96fb\u6c23\u8a0a\u865f\u50b3\u905e\u7684\u9023\u63a5\uff0c\u6240\u4ee5\u53ea\u8981\u6709\u710a\u63a5\u5c31\u53ef\u4ee5\u50b3\u905e\u8a0a\u865f\u4e86\u3002<\/font><\/p>\n<p align=\"justify\"><font size=\"4\">\u710a\u932b\u7684\u6b21\u8981\u76ee\u7684\u662f\u5f37\u5ea6\u8981\u5920\uff0c\u4e0d\u80fd\u96a8\u4fbf\u78b0\u4e00\u4e0b\u5c31\u6389\u4e0b\u4f86\u6216\u65b7\u88c2\u3002\u5982\u679c\u710a\u8173\u9577\u5ea6\u8d85\u51fa\u96fb\u8def\u677f\u539a\uff0c\u90a3\u5c07\u901a\u5b54\u586b\u6eff\u710a\u932b\u78ba\u5be6\u53ef\u4ee5\u589e\u52a0\u710a\u932b\u5f37\u5ea6\uff0c\u90a3\u5982\u679c\u710a\u8173\u9577\u5ea6\u5c0f\u65bc\u96fb\u8def\u677f\u539a\uff0c\u5c07\u901a\u5b54\u586b\u6eff\u710a\u932b\u8207\u50c5\u5c07<font style=\"background-color: rgb(255, 255, 0);\">\u710a\u8173\u5b8c\u5168\u88ab\u710a\u932b\u8986\u84cb<\/font>\u5169\u8005\u7684\u710a\u932b\u5f37\u5ea6\u662f\u5426\u6703\u6709\u5dee\u7570\uff1f <\/font><\/p>\n<p align=\"justify\"><font size=\"4\">\u5efa\u8b70\u53c3\u8003\u6587\u7ae0\uff1a<a href=\"\/\/m.letratesoro.com\/2015\/11\/soldering-strength\/\" rel=\"noopener\" target=\"_blank\">\u96fb\u5b50\u96f6\u4ef6\u710a\u63a5\u5f37\u5ea6\u7684\u89c0\u5ff5\u6f84\u6e05<\/a><\/font><\/p>\n<hr \/>\n<p><font size=\"4\">\u5ef6\u4f38\u95b1\u8b80\uff1a <\/font>    <br \/><a href=\"\/\/m.letratesoro.com\/2010\/07\/reflow-profile\/\"><font size=\"4\">\u56de\u6d41\u710a\u7684\u6eab\u5ea6\u66f2\u7dda Reflow Profile<\/font><\/a>     <br \/><a href=\"\/\/m.letratesoro.com\/2010\/11\/vias-in-pad\/\"><font size=\"4\">\u5c0e\u901a\u5b54\u5728\u588a(Vias-in-pad)\u7684\u8655\u7406\u539f\u5247<\/font><\/a>     <br \/><a href=\"\/\/m.letratesoro.com\/2010\/11\/smt-solder-preforms\/\"><font size=\"4\">\u589e\u52a0\u710a\u932b\u91cf\u7684\u53e6\u4e00\u9078\u64c7 \u2500 Solder preforms (\u9810\u6210\u578b\u932b\u7247)<\/font><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u3010\u901a\u5b54\u5370\u932b\u818f\uff08PIH\uff0cPaste-In-Hole &#8230;<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3,4],"tags":[160],"aioseo_notices":[],"views":72356,"_links":{"self":[{"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/posts\/672"}],"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=672"}],"version-history":[{"count":17,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/posts\/672\/revisions"}],"predecessor-version":[{"id":10911,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/posts\/672\/revisions\/10911"}],"wp:attachment":[{"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/media?parent=672"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/categories?post=672"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/tags?post=672"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}