{"id":11535,"date":"2024-11-06T08:00:10","date_gmt":"2024-11-06T00:00:10","guid":{"rendered":"\/\/m.letratesoro.com\/?p=11535"},"modified":"2024-11-06T09:41:47","modified_gmt":"2024-11-06T01:41:47","slug":"cn-pcb-hasl-immersion-tin","status":"publish","type":"post","link":"\/\/m.letratesoro.com\/2024\/11\/cn-pcb-hasl-immersion-tin\/","title":{"rendered":"[\u7b80\u4e2d]PCB\u8868\u9762\u5904\u7406\uff1a\u55b7\u9521\u677f\u4e0e\u6c89\u9521\u677f(\u5316\u9521\u677f)\u7684\u5dee\u5f02\u4e0e\u5e94\u7528"},"content":{"rendered":"<p align=\"center\"><img decoding=\"async\" title=\"PCB\u8868\u9762\u5904\u7406\uff1a\u55b7\u9521\u677f\u4e0e\u6c89\u9521\u677f(\u5316\u9521\u677f)\u7684\u5dee\u5f02\u4e0e\u5e94\u7528\" src=\"\/\/m.letratesoro.com\/wp-content\/uploads\/images\/b7983a451116_13712\/PCB_HASL_finish.jpg\" alt=\"PCB\u8868\u9762\u5904\u7406\uff1a\u55b7\u9521\u677f\u4e0e\u6c89\u9521\u677f(\u5316\u9521\u677f)\u7684\u5dee\u5f02\u4e0e\u5e94\u7528\" \/><\/p>\n<p align=\"justify\"><span style=\"font-size: large;\">\u5728\u7535\u5b50\u7ec4\u88c5\u5236\u9020\u9886\u57df\uff0cPCB\u710a\u76d8\u4e0a\u901a\u5e38\u4f1a\u8986\u76d6\u4e00\u5c42\u9521\u4f5c\u4e3a<a title=\"[\u7e41\u5fe0]\u96fb\u8def\u677f\u8868\u9762\u8655\u7406\u7684\u76ee\u7684\uff1f\u6574\u7406\u5e7e\u7a2e\u5e38\u898bPCB finished\u7684\u512a\u7f3a\u9ede\" href=\"\/\/m.letratesoro.com\/2013\/04\/pcb-finish\/\" target=\"_blank\" rel=\"noopener\">\u8868\u9762\u5904\u7406<\/a>\u3002\u8fd9\u79cd\u8bbe\u8ba1\u662f\u4e3a\u4e86\u5728<a title=\"[\u7e41\u4e2d]\u4ec0\u9ebc\u662fPCB\u8207PCBA\uff1f\u5b83\u5011\u4e4b\u9593\u6709\u4ec0\u9ebc\u5dee\u7570\uff1f\u5340\u5225\u662f\u4ec0\u9ebc\uff1f\" href=\"\/\/m.letratesoro.com\/2020\/05\/different_pcb_pcba\/\" target=\"_blank\" rel=\"noopener\">\u7535\u8def\u677f\u7ec4\u88c5\uff08PCBA\uff09<\/a>\u8fc7\u7a0b\u4e2d\u66f4\u597d\u5730\u5229\u7528\u57fa\u4e8e\u3010\u9521\u3011\u7684\u710a\u818f\u6765\u5c06\u7535\u5b50\u5143\u4ef6\u710a\u63a5\u5230PCB\u4e0a\u3002\u5728\u6b63\u5e38\u60c5\u51b5\u4e0b\uff0c\u9521\u5c42\u8868\u9762\u5904\u7406\u6709\u52a9\u4e8e\u710a\u63a5\u65f6\u7684\u7194\u5408\u6548\u679c\u3002<a title=\"[\u7e41\u4e2d]\u4ec0\u9ebc\u662fHASL\u5674\u932b\u677f\u8868\u9762\u8655\u7406\uff1f\u6709\u4f55\u512a\u7f3a\u9ede\uff1f\" href=\"\/\/m.letratesoro.com\/2024\/08\/what-is-hasl-finish\/\" target=\"_blank\" rel=\"noopener\">\u55b7\u9521\uff08HASL\uff09<\/a>\u548c\u6c89\u9521\uff08Im-Sn\uff09\u662f\u4e24\u79cd\u5e38\u89c1\u7684PCB\u8868\u9762\u6d82\u9521\u6280\u672f\u3002\u867d\u7136\u5b83\u4eec\u5728\u6574\u4f53\u6027\u80fd\u4e0a\u5927\u81f4\u76f8\u4f3c\uff0c\u4f46\u5728\u7ec6\u8282\u548c\u5e94\u7528\u573a\u666f\u4e0a\u5b58\u5728\u4e00\u5b9a\u5dee\u5f02\u3002<\/span><\/p>\n<p align=\"center\"><span style=\"font-size: large;\">\uff08\u8fd9\u662f\u4e00\u7bc7\u5fc3\u5f97\u6574\u7406\u6587\uff0c\u5185\u5bb9\u6216\u8bb8\u4f1a\u6709\u4e9b\u9519\u8bef\uff0c\u6b22\u8fce\u6307\u8bc1\uff09<\/span><\/p>\n<p align=\"center\"><!--more--><\/p>\n<p align=\"justify\"><span style=\"font-size: large;\">\u672c\u6587\u5c06\u4ece\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\u6765\u8be6\u7ec6\u89e3\u6790\u55b7\u9521\u677f(HASL)\u4e0e\u6c89\u9521\u677f(Immersion Tin)\u7684\u5dee\u5f02\u4e0e\u533a\u522b\u3002<\/span><\/p>\n<h2><span style=\"font-family: \u5fae\u8edf\u6b63\u9ed1\u9ad4;\"><b>1. <\/b><b>\u55b7\u9521\u677f\u4e0e\u6c89\u9521\u677f\u7684\u5236\u7a0b\u5de5\u827a\u539f\u7406<\/b><\/span><\/h2>\n<blockquote>\n<p align=\"justify\"><span style=\"font-family: \u5fae\u8edf\u6b63\u9ed1\u9ad4; font-size: large;\">\u55b7\u9521\u677f\u7684\u82f1\u6587\u540d\u79f0\u4e3aHot Air Solder Leveling\uff0c\u7b80\u79f0HASL\uff0c\u4e2d\u6587\u5b9e\u9645\u540d\u79f0\u4e3a\u300c\u70ed\u98ce\u710a\u9521\u6574\u5e73\u300d\uff0c\u5b83\u662f\u4e00\u79cd\u5c06\u9884\u5236PCB\u6d78\u5165\u76db\u6709\u878d\u7194\u7684\u9521\u6c60\u4e2d\uff0c\u5c06PCB\u6700\u5916\u5c42\u88f8\u9732\u7684\u94dc\u8868\u9762\u7528\u9521\u6db2\u6cbe\u9644\u8986\u76d6\u7684\u5904\u7406\u65b9\u5f0f\uff0c\u7136\u540e\u4f1a\u518d\u4ee5\u70ed\u98ce\u5f62\u6210\u7684\u98ce\u5200\u6765\u53bb\u9664\u591a\u4f59\u7684\u9521\u6db2\uff0c\u5e76\u6574\u5e73PCB\u7684\u8868\u9762\u9521\u3002<\/span><\/p>\n<p align=\"justify\"><span style=\"font-family: \u5fae\u8edf\u6b63\u9ed1\u9ad4; font-size: large;\">\u6c89\u9521\u677f\u7684\u82f1\u6587\u4e3aImmersion Tin\uff0c\u6211\u4eec\u4e00\u822c\u4f1a\u7b80\u79f0\u4e3aIm-Sn\uff0c\u4e2d\u6587\u7684\u5b9e\u9645\u540d\u79f0\u4e3a\u6d78\u9540\u9521\uff0c\u5b83\u662f\u5c06\u9884\u5236PCB\u6d78\u5165\u542b\u6709\u9521\u79bb\u5b50\u7684\u5316\u5b66\u6eb6\u6db2\u4e2d\uff0c\u8ba9\u9521\u79bb\u5b50\u8fd8\u539f\u6210\u9521\u91d1\u5c5e\u5e76\u6c89\u79ef\u5728\u94dc\u710a\u76d8\u8868\u9762\uff0c\u5f62\u6210\u4e00\u5c42\u9521\u91d1\u5c5e\u5c42\uff0c\u6240\u4ee5\u300c\u6c89\u9521\u677f\u300d\u53c8\u79f0\u4e3a\u300c\u5316\u9521\u677f\u300d\u3002<\/span><\/p>\n<p align=\"justify\"><span style=\"font-family: \u5fae\u8edf\u6b63\u9ed1\u9ad4; font-size: large;\">\u8fd9\u4e24\u79cd\u9521\u5c42\u8868\u9762\u5904\u7406\u65b9\u5f0f\u7684\u5236\u7a0b\u5de5\u827a\u539f\u7406\u4e0d\u540c\uff0c\u5bfc\u81f4\u4e86\u5b83\u4eec\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u7684\u4f18\u7f3a\u70b9\u4e5f\u6709\u6240\u4e0d\u540c\u3002<\/span><\/p>\n<\/blockquote>\n<h2><span style=\"font-family: \u5fae\u8edf\u6b63\u9ed1\u9ad4;\"><span style=\"font-weight: bold;\">2. \u55b7\u9521\u677f\u4e0e\u6c89\u9521\u677f\u7684\u6210\u672c\u548c\u6548\u7387<\/span><\/span><\/h2>\n<blockquote>\n<p align=\"justify\"><span style=\"font-family: \u5fae\u8edf\u6b63\u9ed1\u9ad4; font-size: large;\">\u4ece\u6210\u672c\u548c\u6548\u7387\u7684\u89d2\u5ea6\u6765\u770b\uff0c\u55b7\u9521\u677f(HASL)\u7684\u6210\u672c\u76f8\u5bf9\u8f83\u4f4e\uff0c\u751f\u4ea7\u6548\u7387\u4e5f\u8f83\u9ad8\u3002\u56e0\u4e3a\u55b7\u9521\u677f\u4f7f\u7528\u7194\u878d\u9521\u6db2\u548c\u70ed\u98ce\u5e73\u6574\uff0c\u751f\u4ea7\u5236\u7a0b\u76f8\u5bf9\u7b80\u5355\uff0c\u4e0d\u9700\u8981\u590d\u6742\u7684\u8bbe\u5907\u548c\u6761\u4ef6\u3002<\/span><\/p>\n<p align=\"justify\"><span style=\"font-family: \u5fae\u8edf\u6b63\u9ed1\u9ad4; font-size: large;\">\u6c89\u9521\u677f(\u5316\u9521\u677f)\u76f8\u5bf9\u5730\u9700\u8981\u8f83\u9ad8\u7684\u8bbe\u5907\u6295\u5165\u548c\u751f\u4ea7\u6210\u672c\uff0c\u5176\u751f\u4ea7\u6548\u7387\u76f8\u5bf9\u8f83\u4f4e\u3002\u56e0\u6b64\uff0c\u5728\u9009\u62e9\u55b7\u9521\u677f\u8fd8\u662f\u6c89\u9521\u677f\u65f6\uff0c\u9700\u8981\u6839\u636e\u5b9e\u9645\u7684\u751f\u4ea7\u9700\u6c42\u548c\u6210\u672c\u9884\u7b97\u6765\u8fdb\u884c\u6743\u8861\u3002<\/span><\/p>\n<\/blockquote>\n<h2><span style=\"font-family: \u5fae\u8edf\u6b63\u9ed1\u9ad4;\"><b>3. <\/b><b>\u55b7\u9521\u677f\u4e0e\u6c89\u9521\u677f\u7684\u6027\u80fd\u548c\u53ef\u9760\u6027<\/b><\/span><\/h2>\n<blockquote>\n<p align=\"justify\"><span style=\"font-family: \u5fae\u8edf\u6b63\u9ed1\u9ad4; font-size: large;\">\u55b7\u9521\u677f\u56e0\u4e3a\u91c7\u7528\u878d\u7194\u9521\u6db2\u70ed\u98ce\u6574\u5e73\u5236\u7a0b\uff0c\u6240\u4ee5\uff0c\u5176\u9521\u5c42\u7684\u539a\u5ea6\u76f8\u5bf9\u6bd4\u8f83\u539a\uff0c\u4f46\u76f8\u5bf9\u5730\u5176\u5e73\u6574\u5ea6\u4e5f\u6bd4\u8f83\u5dee\uff0c\u8f83\u4e0d\u5229\u4e8e\u7ec6\u95f4\u8ddd\u96f6\u4ef6\u3002<\/span><\/p>\n<p align=\"justify\"><span style=\"font-family: \u5fae\u8edf\u6b63\u9ed1\u9ad4; font-size: large;\">\u800c\u6c89\u9521\u677f\u56e0\u4e3a\u91c7\u7528\u5316\u5b66\u6c89\u79ef\uff0c\u6240\u4ee5\u9521\u5c42\u8f83\u4e3a\u7ec6\u81f4\u4e14\u5e73\u6574\uff0c\u6240\u4ee5\u6bd4\u8f83\u9002\u5408\u7ec6\u95f4\u8ddd\u96f6\u4ef6\u710a\u63a5\uff0c\u4f46\u6676\u7c92\u7ed3\u6784\u8f83\u4e3a\u677e\u6563\u4e0d\u591f\u7d27\u5b9e\uff0c\u9521\u5c42\u539a\u5ea6\u4e5f\u53ef\u80fd\u8f83\u8584\uff0c\u53ef\u80fd\u8f83\u4e0d\u5229\u4e8e\u7b2c\u4e8c\u9762\u710a\u9521\uff0c\u56e0\u4e3a\u7b2c\u4e00\u6b21\u56de\u710a\u65f6\uff0c\u7b2c\u4e8c\u9762\u4e5f\u4f1a\u751f\u6210IMC\uff0c\u4e00\u65e6\u9521\u5c42\u4e0d\u8db3\u4ee5\u5e94\u4ed8\u540e\u7eed\u7684\u710a\u9521\u6240\u9700\uff0c\u5c31\u4f1a\u5f31\u5316\u710a\u63a5\u5f3a\u5ea6\u3002\uff08\u6839\u636eIPC-4554\u7684\u8981\u6c42\u6c89\u9521\u7684\u539a\u5ea6\u4e3a\uff1a\u57282.25um\u00b2(3600mils\u00b2)\u710a\u76d8\u4e0a\u7684\u6c89\u9521\u539a\u5ea6\u4e0d\u5f97\u4f4e\u4e8e1.0um(40u\u201d)\uff0c\u800c\u4e14\u8fd9\u4e2a\u539a\u5ea6\u8fd8\u5fc5\u9700\u8981\u63a7\u5236\u57284\u4e2a\u6807\u51c6\u504f\u5dee\u7684\u6700\u5c0f\u539a\u5ea6\u5185\uff0c\u5178\u578b\u7684\u5316\u9521\u5c42\u539a\u5ea6\u8303\u56f4\u57281.0\u00b5m~1.3\u00b5m(40~51\u00b5\u201d)\uff0c\u800c\u4e00\u822cIMC\u751f\u6210\u7684\u539a\u5ea6\u5219\u843d\u57281.0~5.0\u00b5m\u4e4b\u95f4\uff0c\u5f88\u660e\u663e\u5730\uff0c\u5f53\u4f7f\u7528\u6c89\u9521\u677f\u4e8e\u53cc\u9762SMT\u5236\u7a0b\u65f6\uff0c\u5176\u7b2c\u4e8c\u9762\u7684\u9521\u5c42\u5f88\u6709\u53ef\u80fd\u4f1a\u5728\u7b2c\u4e00\u6b21\u8fc7\u56de\u710a\u65f6\u5c31\u5168\u90e8\u6d88\u8017\u4e00\u7a7a\u5f62\u6210IMC\uff0c\u800c\u65e0\u6cd5\u4e0e\u9521\u818f\u4e2d\u7684\u9521\u5f62\u6210\u826f\u597d\u7684\u7ed3\u6784\uff0c\u9664\u975e\u8981\u6c42\u7279\u522b\u52a0\u539a\u5316\u6c89\u9521\u7684\u539a\u5ea6\uff0c\u5426\u5219\u7b2c\u4e8c\u56de\u710a\u9762\u7684\u710a\u9521\u8d28\u91cf\u5f88\u6709\u673a\u4f1a\u51fa\u95ee\u9898\u3002\uff09 <\/span><\/p>\n<p align=\"justify\"><span style=\"font-size: large;\"><span style=\"font-family: \u5fae\u8edf\u6b63\u9ed1\u9ad4;\">\u7136\u800c\uff0c\u4e0d\u8bba\u662f\u55b7\u9521\u677f\u6216\u6c89\u9521\u677f\uff0c\u5f53\u4ed6\u4eec\u4f7f\u7528\u4e8e\u53cc\u9762SMT\u5236\u7a0b\u65f6\uff0c\u56e0\u4e3a\u7b2c\u4e8c\u9762\u5728\u7b2c\u4e00\u6b21\u56de\u710a\u65f6\u5c31\u8ddf\u7740\u7ecf\u5386\u4e86\u4e00\u6b21\u56de\u710a\u9ad8\u6e29\u7684\u6d17\u793c\uff0c\u6240\u4ee5\u7b2c\u4e8c\u9762\u90fd\u6781\u5bb9\u6613\u53d1\u751f\u9521\u5c42\u91cd\u65b0\u7194\u878d\u800c\u4ea7\u751f\u9521\u73e0\u6216\u7c7b\u4f3c\u6c34\u73e0\u53d7\u91cd\u529b\u5f71\u54cd\u5f62\u6210\u6ef4\u843d\u7403\u72b6\u7684\u9521\u70b9\uff0c\u5bb9\u6613\u9020\u6210\u8868\u9762\u66f4\u4e0d\u5e73\u6574\uff0c\u8fdb\u800c\u5f71\u54cd\u710a\u9521\u95ee\u9898\uff0c\u7279\u522b\u662f\u55b7\u9521\u677f\u7684\u9521\u4e00\u822c\u8f83\u539a\uff0c\u66f4\u5bb9\u6613\u9020\u6210\u7b2c\u4e8c\u9762\u7684\u8868\u9762\u4e0d\u5e73\u6574\u3002<\/span> <\/span><\/p>\n<p align=\"justify\"><span style=\"font-family: \u5fae\u8edf\u6b63\u9ed1\u9ad4; font-size: large;\">\u53e6\u5916\uff0c\u7b2c\u4e8c\u9762(2nd side)\u53ef\u80fd\u5728\u7b2c\u4e00\u6b21\u56de\u710a(1st reflow)\u540e\u5c31\u5f00\u59cb\u53d1\u751f\u9521\u6c27\u5316\u72b6\u51b5(\u9521\u5c42\u8868\u9762\u5f62\u6210\u949d\u5316\u9521)\uff0c\u6216\u662fIMC\u589e\u539a\u7684\u5f71\u54cd\u800c\u5403\u6389\u539f\u672c\u7684\u9521\u5c42\uff0c\u8fdb\u800c\u5f71\u54cd\u5230\u7b2c\u4e8c\u9762\u7684\u710a\u6027\u95ee\u9898\uff0c\u5c24\u5176\u5bb9\u6613\u53d1\u751f\u5728\u9521\u5c42\u539a\u5ea6\u4e0d\u8db3\u7684\u677f\u5b50\u4e0a\u3002<\/span><\/p>\n<div align=\"justify\">\n<p><span style=\"font-family: \u5fae\u8edf\u6b63\u9ed1\u9ad4; font-size: large;\">\u7efc\u5408\u4e0a\u8ff0\u8bf4\u660e\uff0c\u5728\u6027\u80fd\u548c\u53ef\u9760\u6027\u65b9\u9762\uff0c\u55b7\u9521\u677f\u548c\u6c89\u9521\u677f\u5404\u6709\u4f18\u52bf\uff0c\u6574\u7406\u5982\u4e0b\uff1a<\/span><\/p>\n<ul>\n<li>\n<div align=\"justify\"><span style=\"font-family: \u5fae\u8edf\u6b63\u9ed1\u9ad4; font-size: large;\"><span style=\"color: #9b00d3;\"><strong>\u710a\u76d8\u8868\u9762\u5e73\u6574\u5ea6\uff1a<\/strong><\/span>\u6c89\u9521\u677f\u7684\u8868\u9762\u8f83\u5e73\u6574\uff0c\u9002\u5408\u7ec6\u95f4\u8ddd\u7ec4\u4ef6\uff0c\u4f46\u5728\u7b2c\u4e8c\u9762\u56de\u710a\u65f6\u4ecd\u9700\u6ce8\u610f\u5e73\u9762\u5ea6\u662f\u5426\u5728\u7b2c\u4e00\u6b21\u56de\u710a\u540e\u53d1\u751f\u91cd\u5927\u53d8\u5316\uff1b\u55b7\u9521\u677f\u7684\u9521\u5c42\u5219\u8f83\u4e0d\u5e73\u6574\uff0c\u53ef\u80fd\u6bd4\u8f83\u4e0d\u592a\u9002\u5408\u7cbe\u7ec6\u96f6\u4ef6\u7684\u710a\u63a5\u3002<\/span><\/div>\n<\/li>\n<li>\n<div align=\"justify\"><span style=\"font-size: large;\"><span style=\"font-family: \u5fae\u8edf\u6b63\u9ed1\u9ad4;\"><strong><span style=\"color: #9b00d3;\">\u70ed\u5e94\u529b\u5f71\u54cd\uff1a<\/span><\/strong>\u6c89\u9521\u677f\u7684\u9521\u4e3a\u5316\u5b66\u6c89\u79ef\uff0c\u8868\u9762\u5904\u7406\u8fc7\u7a0b\u5e76\u6ca1\u6709\u4f7f\u7528\u9ad8\u6e29\uff0c\u4e5f\u672a\u4ea7\u751f\u9ad8\u6e29\uff0c\u5bf9PCB\u7684\u70ed\u5e94\u529b\u5f71\u54cd\u8f83\u5c0f\uff1b\u55b7\u9521\u677f\u4f7f\u7528\u878d\u7194\u7684\u9521\u6db2\uff0c\u4f7f\u7528\u6e29\u5ea6\u5fc5\u987b\u9ad8\u4e8e\u9521\u7684\u7194\u70b9( 231.9 \u00b0C)\uff0c\u4e00\u822c\u6e29\u5ea6\u901a\u5e38\u8d85\u8fc7260\u00b0C\uff0c\u53ef\u80fd\u56e0\u4e3a\u70ed\u5e94\u529b\u800c\u589e\u52a0PCB\u7684\u7fd8\u66f2\u6216\u5206\u5c42\u98ce\u9669\u3002<\/span><\/span><\/div>\n<\/li>\n<li>\n<div align=\"justify\"><span style=\"font-family: \u5fae\u8edf\u6b63\u9ed1\u9ad4; font-size: large;\"><strong><span style=\"color: #9b00d3;\">\u9521\u987b\u4ea7\u751f\uff1a<\/span><\/strong>\u9521\u987b\u7684\u751f\u6210\u662f\u4e00\u4e2a\u590d\u6742\u7684\u8fc7\u7a0b\uff0c\u53d7\u5230\u591a\u79cd\u56e0\u7d20\u7684\u5171\u540c\u4f5c\u7528\u3002\u5185\u5e94\u529b\u662f\u9a71\u52a8\u9521\u987b\u751f\u957f\u7684\u4e3b\u8981\u539f\u56e0\uff0c\u5b83\u7684\u6765\u6e90\u6709\u6e29\u5ea6\u53d8\u5316\u5bfc\u81f4\u91d1\u5c5e\u81a8\u80c0\u7684\u70ed\u5e94\u529b\u3001\u63a5\u53e3\u95f4\u91d1\u5c5e\u4e92\u76f8\u6269\u6563\u7684\u5316\u5b66\u5e94\u529b\u3001\u4ee5\u53ca\u673a\u68b0\u52a0\u5de5\u8fc7\u7a0b\u4e2d\u4ea7\u751f\u7684\u6b8b\u7559\u5e94\u529b\u7b49\u3002\u800c\u6676\u7c92\u7ed3\u6784\u3001\u9521\u5c42\u539a\u5ea6\u4e0e\u6210\u5206\u3001\u73af\u5883\u56e0\u7d20\u7b49\u5219\u4f1a\u5f71\u54cd\u5185\u5e94\u529b\u7684\u4ea7\u751f\u548c\u5206\u5e03\u3002\u57fa\u672c\u4e0a\uff0c\u6676\u7c92\u8d8a\u5c0f\uff0c\u6676\u754c\u5c31\u8d8a\u591a\uff0c\u6676\u754c\u5904\u66f4\u5bb9\u6613\u4ea7\u751f\u7a7a\u9699\u548c\u7f3a\u9677\uff0c\u6210\u4e3a\u9521\u987b\u751f\u957f\u7684\u8d77\u59cb\u70b9\u3002\u9521\u5c42\u539a\u5ea6\u4e0d\u5747\u5300\u6216\u8fc7\u8584\uff0c\u5219\u5bb9\u6613\u4ea7\u751f\u5e94\u529b\u96c6\u4e2d\u3002\u9521\u5c42\u6210\u5206\u7684\u53d8\u5316\u4e5f\u4f1a\u5f71\u54cd\u5408\u91d1\u5c42\u7684\u5f62\u6210\u548c\u6269\u6563\u901f\u7387\u3002\u8fd9\u662f\u56e0\u4e3a\u9521\u5c42\u5982\u679c\u8584\u4e86\uff0c\u94dc\u4e0e\u9521\u4e4b\u95f4\u7684\u63a5\u53e3\u5c42\u4e5f\u4f1a\u76f8\u5bf9\u53d8\u8584\uff0c\u8fd9\u5c06\u52a0\u901f\u6269\u6563\u4f5c\u7528\u4e8e\u94dc\u5c42\u4e0e\u9521\u5c42\u4e4b\u95f4\uff0c\u4e00\u65e6\u6269\u6563\u4f5c\u7528\u4f7f\u5f97\u9521\u5c42\u5206\u5e03\u53d8\u5f97\u4e0d\u5747\u5300\uff0c\u5c31\u53ef\u80fd\u5f15\u8d77\u5e94\u529b\u96c6\u4e2d\u53ca\u5185\u5e94\u529b\u63a8\u6324\u51fa\u9521\u987b\u3002\u73af\u5883\u6e29\u5ea6\u3001\u6e7f\u5ea6\u3001\u7535\u573a\u7b49\u73af\u5883\u56e0\u7d20\u4e5f\u4f1a\u52a0\u901f\u6269\u6563\u4f5c\u7528\uff0c\u4fc3\u8fdb\u9521\u987b\u751f\u957f\u3002\u6240\u4ee5\uff0c\u5728\u4e00\u822c\u7684\u60c5\u51b5\u4e0b\uff0c\u6c89\u9521\u677f\u4f1a\u6bd4\u8f83\u6709\u751f\u51fa\u9521\u987b\u7684\u98ce\u9669\uff0c\u7279\u522b\u662f\u5728\u9ad8\u6e29\u9ad8\u6e7f\u73af\u5883\u4e0b\uff0c\u800c\u55b7\u9521\u677f\u5219\u76f8\u5bf9\u8f83\u5c11\u53d1\u751f\u6b64\u95ee\u9898\u3002\u8fd9\u662f\u56e0\u4e3a\u55b7\u9521\u677f\u5df2\u7ecf\u8fc7\u4e00\u6b21\u9ad8\u6e29\u751f\u6210\u6bd4\u8f83\u539a\u7684IMC\u5c42\uff0c\u964d\u4f4e\u4e86\u94dc\u4e0e\u9521\u4e4b\u95f4\u7684\u6269\u6563\u4f5c\u7528\uff0c\u4ece\u800c\u964d\u4f4e\u4e86\u5185\u5e94\u529b\u7684\u79ef\u7d2f\uff0c\u4f7f\u5f97\u9521\u987b\u8f83\u4e0d\u6613\u4ea7\u751f\uff0c\u800c\u6c89\u9521\u677f\u5728PCB\u9636\u6bb5\u51e0\u4e4e\u6ca1\u6709IMC\u751f\u6210\uff0c\u5c31\u7b97\u662f\u5728\u9ad8\u6e29\u710a\u63a5\u540e\u5176IMC\u76f8\u5bf9\u55b7\u9521\u677f\u6765\u8bf4\u4e5f\u6bd4\u8f83\u8584\uff0c\u6240\u4ee5\u5176\u963b\u9694\u94dc\u9521\u95f4\u6269\u6563\u4f5c\u7528\u4f1a\u8f83\u5dee\uff0c\u4f7f\u5f97\u5185\u90e8\u5e94\u529b\u79ef\u7d2f\u8f83\u591a\uff0c\u800c\u8f83\u5bb9\u6613\u751f\u6210\u9521\u987b\u3002\u53e6\u5916\u4e00\u4e2a\u6c89\u9521\u677f\u6bd4\u8f83\u5bb9\u6613\u751f\u6210\u9521\u987b\u7684\u539f\u56e0\u662f\uff0c\u6c89\u9521\u677f\u7684\u9521\u4e00\u822c\u6bd4\u55b7\u9521\u677f\u6765\u5f97\u7eaf\uff0c\u5c11\u4e86\u5176\u4ed6\u5143\u7d20\u7684\u5f71\u54cd\u3002\u4e5f\u5c31\u662f\u8bf4\u5982\u679c\u53ef\u4ee5\u5728\u9521\u5c42\u4e2d\u6dfb\u52a0\u67d0\u4e9b\u5143\u7d20(\u4f8b\u5982\u954d\u3001\u94dc\u3001\u94f6)\u5c31\u53ef\u4ee5\u6709\u6548\u6291\u5236\u9521\u987b\u7684\u751f\u957f\uff0c\u56e0\u4e3a\u8fd9\u4e9b\u5143\u7d20\u4f1a\u63d0\u524d\u4e0e\u9521\u5f62\u6210\u5316\u5408\u7269\uff0c\u963b\u788d\u9521\u539f\u5b50\u7684\u8fc1\u79fb\uff0c\u4e5f\u4f1a\u6539\u53d8\u9521\u7684\u539f\u672c\u7ed3\u6676\u7ed3\u6784\uff0c\u964d\u4f4e\u6676\u754c\u7684\u6570\u91cf\u3002\u6240\u4ee5\uff0c\u4e00\u4f46\u4e0a\u8ff0\u7684\u6761\u4ef6\u6539\u53d8\uff0c\u6c89\u9521\u677f\u4e5f\u53ef\u80fd\u6bd4\u55b7\u9521\u677f\u66f4\u4e0d\u6613\u751f\u6210\u9521\u987b\u3002<\/span><\/div>\n<\/li>\n<li>\n<div align=\"justify\"><span style=\"font-size: large;\"><span style=\"font-family: \u5fae\u8edf\u6b63\u9ed1\u9ad4;\"><strong><span style=\"color: #9b00d3;\">\u53ef\u710a\u6027\u53ca\u5bff\u547d\uff1a<\/span><\/strong>\u6c89\u9521\u677f\u4e3a\u7ec6\u81f4\u4f46\u8f83\u4e3a\u677e\u6563\u7684\u9521\u91d1\u5c5e\u6676\u7c92\u7ed3\u6784\uff0c\u5728\u6ca1\u6709\u7279\u6b8a\u8981\u6c42\u7684\u60c5\u51b5\u4e0b\u6c89\u9521\u677f\u4f1a\u6bd4\u55b7\u9521\u677f\u6765\u5f97\u8584\uff0c\u66b4\u9732\u4e8e\u7a7a\u6c14\u65f6\uff0c\u66f4\u5bb9\u6613\u589e\u52a0\u6c27\u6c14\u7684\u4fb5\u8680\uff0c\u5bfc\u81f4\u9521\u5c42\u6c27\u5316\uff0c\u957f\u671f\u50a8\u5b58\u540e\u53ef\u80fd\u56e0\u4e3a\u94dc\u4e0e\u9521\u4e4b\u95f4\u7684\u6269\u6563\u4f5c\u7528\u4f7f\u5f97\u9521\u5c42\u53d8\u5f97\u66f4\u8584\uff0c\u53ef\u80fd\u589e\u52a0\u5e95\u94dc\u6c27\u5316\u7684\u98ce\u9669\uff0c\u76f8\u5bf9\u6bd4\u8f83\u53ef\u80fd\u5f71\u54cd\u53ef\u710a\u6027\uff0c\u7b2c\u4e8c\u56de\u710a\u9762\u4e5f\u53ef\u80fd\u56e0\u4e3a\u9521\u5c42\u4e0d\u8db3\u800c\u5f71\u54cd\u710a\u63a5\u5f3a\u5ea6\uff1b\u800c\u55b7\u9521\u677f\u56e0\u4e3a\u7ecf\u5386\u8fc7\u9ad8\u6e29\u53ca\u98ce\u5200\u6d17\u793c\uff0c\u9521\u5c42\u8868\u9762\u8f83\u4e3a\u7d27\u5bc6\uff0c\u964d\u4f4e\u4e86\u6c27\u6c14\u653b\u51fb\u9521\u5c42\u8868\u9762\u7684\u63a5\u89e6\u9762\u79ef\uff0c\u76f8\u5bf9\u63d0\u9ad8\u4e86\u62b5\u6297\u6c27\u5316\u7684\u80fd\u529b\uff0c\u5177\u6709\u8f83\u597d\u7684\u50a8\u5b58\u7a33\u5b9a\u6027\u3002\u4f46\u4e5f\u56e0\u4e3a\u55b7\u9521\u677f\u5df2\u7ecf\u8fc7\u9ad8\u6e29\u6d17\u793c\uff0c\u76f8\u5bf9\u5730\u4f1a\u751f\u6210\u6bd4\u8f83\u539a\u7684IMC\uff0c\u5fc5\u987b\u7559\u610f\u662f\u5426\u5728\u710a\u63a5\u5f3a\u5ea6\u7684\u53ef\u9760\u6027\u4e0a\u4f1a\u6709\u5f71\u54cd\u3002<\/span><\/span><\/div>\n<\/li>\n<\/ul>\n<\/div>\n<\/blockquote>\n<h2><span style=\"font-family: \u5fae\u8edf\u6b63\u9ed1\u9ad4;\"><span style=\"font-weight: bold; color: #0000ff;\">4. <b><\/b><b>\u55b7\u9521\u677f\u4e0e\u6c89\u9521\u677f\u5404\u81ea\u7684<\/b>\u5e94\u7528\u8303\u56f4<\/span><\/span><\/h2>\n<blockquote>\n<p align=\"justify\"><span style=\"font-family: \u5fae\u8edf\u6b63\u9ed1\u9ad4; font-size: large;\">\u7531\u4e8e\u55b7\u9521\u677f\u548c\u6c89\u9521\u677f\u62e5\u6709\u5176\u5404\u81ea\u7684\u7279\u70b9\uff0c\u5b83\u4eec\u7684\u5e94\u7528\u9886\u57df\u4e5f\u6709\u6240\u4e0d\u540c\u3002\u55b7\u9521\u677f\u4e3b\u8981\u5e94\u7528\u4e8e\u6d88\u8d39\u6027\u7535\u5b50\u4ea7\u54c1\u3001\u901a\u4fe1\u8bbe\u5907\u7b49\u9886\u57df\uff0c\u8fd9\u4e9b\u9886\u57df\u5bf9\u6210\u672c\u548c\u751f\u4ea7\u6548\u7387\u6709\u8f83\u9ad8\u7684\u8981\u6c42\uff0c\u53e6\u5916\uff0c\u55b7\u9521\u677f\u7684\u7684\u8868\u9762\u5e73\u6574\u5ea6\u76f8\u5bf9\u8f83\u5dee\uff0c\u5bb9\u6613\u4ea7\u751f\u9521\u73e0\uff0c\u8fd9\u5728\u9ad8\u5bc6\u5ea6\u7ec4\u4ef6\u7684\u710a\u63a5\u4e2d\u9700\u8981\u7279\u522b\u7559\u610f\u3002\u800c\u6c89\u9521\u677f\u56e0\u4e3a\u8868\u9762\u8f83\u4e3a\u5e73\u6574\uff0c\u9664\u4e86\u53ef\u4ee5\u5e94\u7528\u5728\u9ad8\u9891\u901a\u8baf\uff08\u56e0\u4e3a\u9521\u5c42\u8f83\u5747\u5300\u4e00\u81f4\uff0c\u63d0\u4f9b\u8f83\u4e3a\u7a33\u5b9a\u7684\u5bfc\u7535\u8def\u5f84\uff09\u3001\u5149\u7535\u822a\u7a7a\u822a\u5929\u3001\u519b\u4e8b\u88c5\u5907\u7b49\u9886\u57df\u5916\uff0c\u4e5f\u9002\u5408\u5e94\u7528\u5728\u6709\u9700\u8981\u7cbe\u7ec6\u710a\u63a5\u7684PCB\uff0c\u5982BGA\u6216\u662f\u7ec6\u95f4\u8ddd\u96f6\u4ef6\u3002<\/span><\/p>\n<\/blockquote>\n<p><span style=\"font-size: large;\">\u7efc\u4e0a\u6240\u8ff0\uff0c\u55b7\u9521\u677f\u548c\u6c89\u9521\u677f\u5728\u5236\u7a0b\u539f\u7406\u3001\u6210\u672c\u548c\u6548\u7387\u3001\u6027\u80fd\u548c\u53ef\u9760\u6027\u4ee5\u53ca\u5e94\u7528\u9886\u57df\u7b49\u65b9\u9762\u90fd\u5b58\u5728\u4e9b\u5fae\u7684\u5dee\u5f02\u3002\u5728\u9009\u62e9\u55b7\u9521\u677f\u8fd8\u662f\u6c89\u9521\u677f\u65f6\uff0c\u9700\u8981\u6839\u636e\u5b9e\u9645\u7684\u751f\u4ea7\u9700\u6c42\u3001\u6210\u672c\u9884\u7b97\u3001\u5e94\u7528\u73af\u5883\u548c\u6027\u80fd\u8981\u6c42\u8fdb\u884c\u7efc\u5408\u8003\u8651\u3002<\/span><\/p>\n<hr \/>\n<p><span style=\"font-size: large;\">\u5ef6\u4f38\u9605\u8bfb\uff1a<\/span><\/p>\n<ul>\n<li><a href=\"\/\/m.letratesoro.com\/2010\/11\/different-matte-bright-tin\/\"><span style=\"font-size: large;\">\u96fe\u9521(Matte tin)\u4e0e\u4eae\u9521 (Bright tin)\u7684\u5dee\u522b<\/span><\/a><\/li>\n<li><a href=\"\/\/m.letratesoro.com\/2018\/04\/cu-ni-base-pcb\/\"><span style=\"font-size: large;\">\u4f55\u8c13\u300c\u94dc\u300d\u57fa\u5730\u4e0e\u300c\u954d\u300d\u57fa\u5730\u7535\u8def\u677f(PCB)\uff1f<\/span><\/a><\/li>\n<li><a href=\"\/\/m.letratesoro.com\/2015\/07\/ni\/\"><span style=\"font-size: large;\">\u7535\u5b50\u5de5\u4e1a\u4e2d\u96f6\u4ef6\u6216\u7535\u8def\u677f\u9540\u954d(Ni)\u7684\u76ee\u7684\u4f55\u5728\uff1f<\/span><\/a><\/li>\n<li><a href=\"\/\/m.letratesoro.com\/2013\/09\/hasl-soldering-insufficient\/\"><span style=\"font-size: large;\">\u65e0\u94c5\u55b7\u9521\u677f(HASL)\u5403\u9521\u4e0a\u9521\u6da6\u6e7f\u4e0d\u826f\u539f\u56e0(\u8d44\u6599\u6536\u96c6)<\/span><\/a><\/li>\n<li><a href=\"\/\/m.letratesoro.com\/2013\/04\/pcb-finish\/\"><span style=\"font-size: large;\">\u7535\u8def\u677f\u8868\u9762\u5904\u7406\u7684\u76ee\u7684\uff1f\u6574\u7406\u51e0\u79cd\u5e38\u89c1PCB finished\u7684\u4f18\u7f3a\u70b9<\/span><\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u5728\u7535\u5b50\u7ec4\u88c5\u5236\u9020\u9886\u57df\uff0cPCB\u710a\u76d8\u4e0a\u901a\u5e38\u4f1a\u8986\u76d6\u4e00\u5c42\u9521 &#8230;<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20,4,221],"tags":[],"class_list":["post-11535","post","type-post","status-publish","format-standard","hentry","category-pcb-fpc-ptf","category-soldering","category-cn"],"aioseo_notices":[],"views":177,"_links":{"self":[{"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/posts\/11535"}],"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=11535"}],"version-history":[{"count":4,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/posts\/11535\/revisions"}],"predecessor-version":[{"id":11544,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/posts\/11535\/revisions\/11544"}],"wp:attachment":[{"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/media?parent=11535"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/categories?post=11535"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/tags?post=11535"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}