{"id":7347,"date":"2018-08-29T08:32:00","date_gmt":"2018-08-29T00:32:00","guid":{"rendered":"\/\/m.letratesoro.com\/?p=7347"},"modified":"2024-08-21T11:54:55","modified_gmt":"2024-08-21T03:54:55","slug":"n2-reflow","status":"publish","type":"post","link":"\/\/m.letratesoro.com\/2018\/08\/n2-reflow\/","title":{"rendered":"SMT\u56de\u710a\u7210\u52a0\u6c2e\u6c23(N2)\u7684\u512a\u7f3a\u9ede\u63a2\u8a0e"},"content":{"rendered":"<p align=\"center\"><img decoding=\"async\" title=\"SMT\u56de\u710a\u7210\u52a0\u6c2e\u6c23(N2)\u7684\u512a\u7f3a\u9ede\" src=\"\/\/m.letratesoro.com\/wp-content\/uploads\/N2-reflow.png\" alt=\"SMT\u56de\u710a\u7210\u52a0\u6c2e\u6c23(N2)\u7684\u512a\u7f3a\u9ede\" \/><br \/>\n(<span style=\"background-color: #ffff00; font-size: large;\">\u9019\u662f\u4e00\u7bc7\u6574\u7406\u6587\uff0c\u5167\u6587\u89c0\u9ede\u4e0d\u4e00\u5b9a\u6b63\u78ba\uff0c\u6b61\u8fce\u60a8\u63d0\u51fa\u81ea\u5df1\u7684\u610f\u898b\u6216\u770b\u6cd5)<\/span><\/p>\n<p align=\"justify\"><strong><span style=\"color: #0000ff; font-size: x-large;\">SMT\u56de\u710a\u7210\u52a0\u6c2e\u6c23(N<sub>2<\/sub>)\u6700\u4e3b\u8981\u7528\u9014\u5728\u964d\u4f4e\u710a\u63a5\u9762\u6c27\u5316\uff0c\u63d0\u9ad8\u710a\u63a5\u7684\u6f64\u6fd5\u6027<\/span><\/strong><span style=\"font-size: large;\">\uff0c\u56e0\u70ba\u6c2e\u6c23(N<sub>2<\/sub>)\u662f\u4e00\u7a2e\u7121\u8272\u7121\u5473\u4e14\u5316\u5b78\u6027\u8cea\u5f88\u4e0d\u6d3b\u6f51\u7684\u4e00\u7a2e\u6c23\u9ad4\uff0c<span style=\"text-decoration: line-through;\">\u5de5\u4f5c\u718a\u4e4b\u524d\u8aa4\u690d\u300c\u6c2e\u6c23(N<sub>2<\/sub>)\u5c6c\u65bc\u60f0\u6027\u6c23\u9ad4\u7684\u4e00\u7a2e\u300d\u662f\u932f\u7684<\/span>\uff0c\u5c31\u56e0\u70ba\u5b83\u4e0d\u6613\u8207\u5927\u90e8\u5206\u7684\u91d1\u5c6c\u7522\u751f\u5316\u5b78\u53cd\u61c9\u751f\u6210\u5316\u5408\u7269\uff0c\u6240\u4ee5\u6211\u5011\u53ef\u4ee5\u4f7f\u7528\u6c2e\u6c23\u4f86\u53d6\u4ee3\u74b0\u5883\u4e2d\u7684\u6c27\u6c23\uff0c\u4ee5\u907f\u514d\u91d1\u5c6c\u8207\u74b0\u5883\u4e2d\u7684\u6c27\u6c23\u63a5\u89f8\u800c\u7522\u751f\u6c27\u5316\u53cd\u61c9\u3002<\/span><\/p>\n<p align=\"justify\"><span style=\"font-size: large;\"><em><strong>\u5099\u8a3b\uff1a<\/strong>\u5de5\u4f5c\u718a\u5f8c\u4f86\u67e5\u4e86\u4e00\u4e9b\u8cc7\u6599\uff0c\u767c\u73fe\u6c2e\u6c23(N<sub>2<\/sub>)\u5728\u73fe\u4ee3\u5316\u5b78\u4e2d\u5df2\u88ab\u6b78\u985e\u70ba\u300c\u60f0\u6027\u6c23\u9ad4(inert gas)\u300d\u7684\u4e00\u7a2e\uff0c\u53e6\u5916\u5143\u7d20\u9031\u671f\u8868\u4e0a\u768418\u65cf\u5143\u7d20(8A)\u5305\u542b\u6c26(He)\u3001\u6c16(Ne)\u3001\u6c2c(Ar)\u3001\u6c2a(Kr)\u3001\u6c19(Xe)\u3001\u6c21(Rn)\u7b49\u5247\u88ab\u7a31\u70ba\u300c\u920d\u6027\u6c23\u9ad4(Noble gas)\u300d\uff0c\u60f0\u6027\u6c23\u9ad4\u5247\u5305\u542b\u6c2e\u6c23\u53ca\u920d\u6027\u6c23\u9ad4\u3002<\/em><\/span><\/p>\n<p align=\"justify\"><span style=\"font-size: large;\"><span style=\"font-size: large;\">\u800c\u4f7f\u7528\u6c2e\u6c23\u53ef\u4ee5\u6539\u5584SMT\u710a\u63a5\u6027\u7684\u539f\u7406(\u6a5f\u7406)\u662f\u57fa\u65bc<strong><span style=\"color: #0000ff;\">\u6c2e\u6c23\u74b0\u5883\u4e0b\u710a\u932b\u7684\u8868\u9762\u5f35\u529b\u6703\u5c0f\u65bc\u66b4\u9732\u65bc\u5927\u6c23\u74b0\u5883\u4e2d<\/span><\/strong>\uff0c\u4f7f\u5f97\u710a\u932b\u7684\u6d41\u52d5\u6027\u8207\u6f64\u6fd5\u6027\u5f97\u5230\u6539\u5584\u3002\u5176\u6b21\u662f\u6c2e\u6c23\u628a\u539f\u672c\u7a7a\u6c23\u4e2d\u7684\u6c27\u6c23(O<sub>2<\/sub>)\u53ca\u53ef\u6c61\u67d3\u710a\u63a5\u8868\u9762\u7684\u7269\u8cea\u6eb6\u5ea6\u964d\u4f4e\uff0c\u5927\u5927\u7684\u964d\u4f4e\u4e86\u9ad8\u6eab\u710a\u932b\u6642\u7684\u6c27\u5316\u4f5c\u7528\uff0c\u5c24\u5176\u662f\u5728\u7b2c\u4e8c\u9762\u56de\u710a\u54c1\u8cea\u7684\u63d0\u6607\u4e0a\u52a9\u76ca\u9817\u5927\u3002<\/span><\/span><\/p>\n<p><!--more--><\/p>\n<p align=\"justify\"><span style=\"font-size: large;\">\u5176\u5be6\u5370\u5237\u96fb\u8def\u677f(PCB)\u5728\u7b2c\u4e00\u9762(1st side)\u904e\u56de\u710a(reflow)\u6642\uff0c\u96fb\u8def\u677f\u7b2c\u4e8c\u9762(2nd side)\u7684\u8868\u9762\u8655\u7406\u5be6\u969b\u4e0a\u4e5f\u540c\u6642\u7d93\u6b77\u8457\u76f8\u540c\u7684\u9ad8\u6eab\uff0c\u96fb\u8def\u677f\u7684\u8868\u9762\u8655\u7406\u6703\u56e0\u9ad8\u6eab\u800c\u88ab\u7834\u58de\uff0c\u7279\u5225\u662f\u4f7f\u7528<a href=\"\/2018\/07\/osp-finish\/\" target=\"_blank\" rel=\"noopener\">OSP<\/a>\u8868\u9762\u8655\u7406\u7684\u677f\u5b50\uff0c\u800c\u4e14\u6c27\u5316\u4f5c\u7528\u5728\u9ad8\u6eab\u74b0\u5883\u4e0b\u4e5f\u6b63\u5728\u6025\u901f\u7684\u9032\u884c\u8457\uff0c\u52a0\u4e86\u6c2e\u6c23\u5f8c\u5c31\u53ef\u4ee5\u5728\u7b2c\u4e00\u9762\u904e\u56de\u710a\u6642\u5927\u5927\u964d\u4f4e\u7b2c\u4e8c\u9762\u8868\u9762\u8655\u7406\u7684\u6c27\u5316\u7a0b\u5ea6\uff0c\u4f7f\u5176\u53ef\u4ee5\u6490\u5230\u7b2c\u4e8c\u9762\u904e\u7210\u6642\u5f97\u5230\u6700\u4f73\u7684\u710a\u63a5\u6548\u679c\u3002<\/span><\/p>\n<p align=\"justify\"><span style=\"font-size: large;\">\u53e6\u5916\uff0c\u5982\u679c\u904e\u5b8c\u7b2c\u4e00\u9762\u56de\u710a\u5f8c\u96fb\u8def\u677f\u9592\u7f6e\u66b4\u9732\u65bc\u7a7a\u6c23\u4e2d\u6642\u9593\u904e\u4e45\u624d\u9032\u884c\u7b2c\u4e8c\u9762\u56de\u710a\uff0c\u4e5f\u5bb9\u6613\u9020\u6210\u6c27\u5316\u554f\u984c\u9032\u800c\u4f7f\u5f97\u7b2c\u4e8c\u9762\u56de\u710a\u6642\u7522\u751f\u62d2\u710a\u6216\u7a7a\u710a\u7684\u554f\u984c\u3002<\/span><\/p>\n<p align=\"justify\"><span style=\"font-size: large;\">\u9019\u6642\u5019ENIG\u677f\u5b50\u7684\u512a\u9ede\u5c31\u986f\u73fe\u51fa\u4f86\u4e86\uff0c\u56e0\u70baENIG\u7684\u8868\u9762\u8655\u7406\u70ba\u300c\u91d1(Gold)\u300d\uff0c\u5728\u76ee\u524d\u7684\u56de\u710a\u6eab\u5ea6\u4e0b\uff0c\u5176\u7b2c\u4e8c\u9762\u8868\u9762\u8655\u7406\u5e7e\u4e4e\u4e0d\u6703\u6709\u6c27\u5316\u7684\u554f\u984c\u3002\u5674\u932b\u6216\u5316\u932b\u677f\u5247\u6703\u56e0\u70ba\u7b2c\u4e00\u6b21\u56de\u710a\u9ad8\u6eab\uff0c\u800c\u63d0\u524d\u5728\u7b2c\u4e8c\u9762\u672a\u710a\u63a5\u524d\u5c31\u751f\u6210<a title=\"\u4f55\u8b02IMC (Intermetallic Compound)\uff1fIMC\u8207PCB\u710a\u63a5\u5f37\u5ea6\u6709\u4f55\u95dc\u4fc2\uff1f\" href=\"\/\/m.letratesoro.com\/2014\/03\/soldering-strength-imc\/\" target=\"_blank\" rel=\"noopener\">IMC<\/a>\uff0c\u5f71\u97ff\u7b2c\u4e8c\u9762\u56de\u710a\u7684\u53ef\u9760\u5ea6\u3002<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-size: large;\">\u5c0dENIG\u53ca\u5674\u932b\u6216\u5316\u932b\u677f\u710a\u7686\u6709\u8208\u8da3\u7684\u670b\u53cb\u53ef\u4ee5\u53c3\u8003\u672c\u90e8\u843d\u683c\u7684\u76f8\u95dc\u6587\u7ae0\uff1a<\/span><br \/>\n<a href=\"\/\/m.letratesoro.com\/2013\/04\/pcb-finish\/\" target=\"_blank\" rel=\"noopener\"><span style=\"font-size: large;\">\u6574\u7406\u5e7e\u7a2e\u5e38\u898bPCB\u8868\u9762\u8655\u7406\u7684\u512a\u7f3a\u9ede<\/span><\/a><br \/>\n<a href=\"\/\/m.letratesoro.com\/2013\/09\/hasl-soldering-insufficient\/\" target=\"_blank\" rel=\"noopener\"><span style=\"font-size: large;\">\u7121\u925b\u5674\u932b\u677f(HASL)\u4e0a\u932b\u4e0d\u826f\u539f\u56e0(\u8cc7\u6599\u6536\u96c6)<\/span><\/a><br \/>\n<a href=\"\/\/m.letratesoro.com\/2016\/02\/enig-pros-cons\/\" target=\"_blank\" rel=\"noopener\"><span style=\"font-size: large;\">ENIG\u8868\u9762\u8655\u7406\u662f\u4ec0\u9ebc\u96fb\u8def\u677f\uff1f\u6709\u4f55\u512a\u7f3a\u9ede\uff1f<\/span><\/a><br \/>\n<a href=\"\/\/m.letratesoro.com\/2016\/09\/enig-black-pad\/\" target=\"_blank\" rel=\"noopener\"><span style=\"font-size: large;\">ENIG\u8868\u9762\u8655\u7406PCB\u710a\u588a\u7684\u5169\u5927\u6f5b\u5728\u554f\u984c(\u9ed1\u93b3\u8207\u5bcc\u78f7\u5c64)\u53ca\u9810\u9632\u63aa\u65bd<\/span><\/a><\/p>\n<p align=\"justify\"><span style=\"font-size: large;\">\u4e0d\u904e\uff0c\u5de5\u4f5c\u718a\u5fc5\u9808\u8981\u5f37\u8abf\u300c<span style=\"background-color: #ffff00;\">\u6c2e\u6c23\u4e26\u4e0d\u662f\u89e3\u6c7aPCB\u6c27\u5316\u7684\u842c\u9748\u4e39<\/span>\u300d\uff0c\u5982\u679c\u96f6\u4ef6\u6216\u662f\u96fb\u8def\u677f\u7684\u8868\u9762\u5df2\u7d93\u56b4\u91cd\u6c27\u5316\uff0c\u6c2e\u6c23\u662f\u7121\u6cd5\u4ee4\u5176\u8d77\u6b7b\u56de\u751f\u7684\uff0c\u800c\u4e14\u6c2e\u6c23\u4e5f\u50c5\u5c0d\u8f15\u5fae\u6c27\u5316\u53ef\u4ee5\u7522\u751f\u88dc\u6551\u7684\u6548\u679c\uff08\u662f\u88dc\u6551\uff0c\u4e0d\u662f\u89e3\u6c7a\uff09\u3002\u5176\u5be6\uff0c\u5132\u5b58\u53ca\u4f5c\u696d\u904e\u7a0b\u4e2d\u53ea\u8981\u53ef\u4ee5\u78ba\u4fddPCB\u7684\u8868\u9762\u8655\u7406\u53ca\u96f6\u4ef6\u4e0d\u6703\u7522\u751f\u6c27\u5316\uff0c\u52a0\u6c2e\u6c23\u57fa\u672c\u4e0a\u6c92\u6709\u592a\u5927\u7684\u4f5c\u7528\uff0c\u6700\u591a\u5c31\u662f\u4fc3\u9032\u710a\u932b\u7684\u6d41\u52d5\u3001\u589e\u52a0\u722c\u932b\u7684\u9ad8\u5ea6\u3002\u4f46\u662f\uff0c\u8a71\u53c8\u8aaa\u56de\u4f86\uff0c\u9084\u771f\u6c92\u5e7e\u5bb6\u516c\u53f8\u53ef\u4ee5\u767e\u5206\u767e\u78ba\u4fdd\u5176PCB\u53ca\u96f6\u4ef6\u8868\u9762\u8655\u7406\u6c92\u6709\u6c27\u5316\u7684\u3002<\/span><\/p>\n<p align=\"justify\"><span style=\"font-size: large;\">\u524d\u9762\u8aaa\u4e86\u8a31\u591a\u95dc\u65bc\u56de\u710a\u6642\u6dfb\u52a0\u6c2e\u6c23\u7684\u512a\u9ede\uff0c\u8a71\u8aaa\u56de\u4f86<span style=\"background-color: #ffff00;\">\u300c\u56de\u710a\u7210(Reflow oven)\u300d\u4f7f\u7528\u6c2e\u6c23\u4e26\u4e0d\u662f\u767e\u5229\u800c\u7121\u5bb3<\/span>\uff0c\u5148\u4e0d\u8aaa\u52a0\u6c2e\u6c23\u300c\u71d2\u9322\u300d\u7684\u554f\u984c\uff0c\u5c31\u56e0\u70ba\u6c2e\u6c23\u53ef\u4ee5\u4fc3\u9032\u710a\u932b\u7684\u6d41\u52d5\u6548\u679c\uff0c\u6240\u4ee5\u624d\u6703\u51fa\u554f\u984c\uff0c\u600e\u9ebc\u807d\u8d77\u4f86\u602a\u602a\u7684\uff1f<\/span><\/p>\n<p align=\"justify\"><span style=\"font-size: large;\"><img decoding=\"async\" style=\"margin: 5px 20px 0px 0px; float: left; display: inline;\" title=\"\u96fb\u963b\u96fb\u5bb9\u5893\u7891\u6548\u61c9\" src=\"\/\/m.letratesoro.com\/wp-content\/uploads\/images\/Tombstonesoler-skip_11F7A\/SMT_tombstone_02.jpg\" alt=\"\u96fb\u963b\u96fb\u5bb9\u5893\u7891\u6548\u61c9\" align=\"left\" \/>\u56e0\u70ba\u710a\u932b\u7684\u6d41\u52d5\u5982\u679c\u592a\u597d\uff0c\u5c31\u610f\u5473\u8457\u52a0\u6eab\u6548\u679c\u6bd4\u8f03\u597d\uff0c\u9019\u500b\u6548\u679c\u5c0d\u5927\u90e8\u5206\u96f6\u4ef6\u7576\u7136\u662f\u6709\u597d\u8655\u7684\uff0c\u4f46\u662f\u53ef\u80fd\u6703\u60e1\u5316\u96fb\u963b\u96fb\u5bb9\u9019\u7a2e\u5c0f\u96f6\u4ef6(small-chip)\u7684\u300c<a href=\"\/\/m.letratesoro.com\/2014\/02\/solder-tombstone\/\">\u5893\u7891\u6548\u61c9(Tombstone effect)<\/a>\u300d\uff0c\u56e0\u70ba\u96f6\u4ef6\u7684\u4e00\u7aef\u5148\u878d\u932b\u800c\u53e6\u4e00\u7aef\u9084\u672a\u878d\u932b\uff0c\u5148\u878d\u932b\u7684\u4e00\u7aef\u5167\u805a\u529b\u52a0\u5f37\u5f8c\u5c31\u6703\u958b\u59cb\u62c9\u626f\u96f6\u4ef6\uff0c\u800c\u9084\u672a\u878d\u932b\u7aef\u5247\u7121\u6cd5\u7a69\u4f4f\u96f6\u4ef6\uff0c\u6700\u5f8c\u5f62\u6210\u300c\u7acb\u7891\u300d\uff0c\u6839\u64da\u7d93\u9a57\u710a\u932b\u7684\u300c\u5893\u7891\u300d\u554f\u984c\u7279\u5225\u5bb9\u6613\u767c\u751f\u57280603\u82070805\u5927\u5c0f\u7684\u5c0f\u96fb\u963b\u53ca\u96fb\u5bb9\u4e0a\uff0c\u5c24\u5176\u662f\u96fb\u5bb9\u96f6\u4ef6\uff0c\u56e0\u70ba\u5176\u5c3a\u5bf8\u53ca\u932b\u818f\u5370\u5237\u8ddd\u96e2\u525b\u597d\u5bb9\u6613\u7acb\u8d77\u96f6\u4ef6\u3002<\/span><\/p>\n<p align=\"justify\"><span style=\"font-size: large;\"><span style=\"font-size: large;\"><span style=\"color: #400000;\"><span style=\"color: #800000;\">\uff08\u88dc\u5145\u8aaa\u660e\uff1a\u4e0a\u4e00\u6bb5\u7684\u6587\u5b57\u6216\u8a31\u6709\u9020\u6210\u90e8\u4efd\u8aa4\u89e3\uff0c\u6240\u4ee5\u5728\u6b64\u7279\u5225\u8aaa\u660e\u3002\u6c2e\u6c23\u4e4b\u6240\u4ee5\u6703\u60e1\u5316\u5893\u7891\u6548\u61c9\uff0c\u61c9\u8a72\u662f\u6c2e\u6c23\u4fc3\u9032\u4e86\u932b\u818f\u878d\u932b\u5f8c\u7684\u6f64\u6fd5\u901f\u5ea6\uff0c<span style=\"font-size: large;\"><span style=\"font-size: large;\">\u9020\u6210\u90e8\u4efd\u710a\u9ede\u63d0\u524d\u6f64\u6fd5\uff0c\u60e1\u5316\u4e86\u5169\u7aef\u710a\u9ede\u5403\u932b\u7684\u6642\u9593\u5dee\uff0c\u6700\u7d42\u8b93\u5169\u7aef\u7684\u529b\u8ddd\u5dee\u7570\u904e\u5927\uff0c\u7d42\u81f4\u5f62\u6210\u7acb\u7891\u554f\u984c\u3002 \u9019\u6a23\u61c9\u8a72\u5c31\u6bd4\u8f03\u6e05\u695a\u8868\u9054\u6c2e\u6c23\u5c0d\u7acb\u7891\u7684\u5f71\u97ff\u4e86\u5427\uff01\uff09<\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n<p align=\"justify\"><span style=\"font-size: large;\">\u53e6\u5916\uff0c\u6c2e\u6c23\u4e5f\u6703\u589e\u52a0\u710a\u932b\u7684\u300c<strong><span style=\"background-color: #ffff00;\">\u6bdb\u7d30\u73fe\u8c61<\/span><\/strong>\u300d\uff0c\u8b93\u932b\u818f\u53ef\u4ee5\u6cbf\u8457\u96f6\u4ef6\u710a\u8173\u7684\u8868\u9762\u722c\u932b\u722c\u5f97\u66f4\u9ad8\uff0c\u9019\u5c0d\u67d0\u4e9b\u96f6\u4ef6\u710a\u8173\u53ef\u80fd\u662f\u52a0\u5206\uff0c\u4f46\u662f\u5c0d\u67d0\u4e9b\u9023\u63a5\u5668\u53ef\u80fd\u5c31\u662f\u6e1b\u5206\u4e86\uff0c\u56e0\u70ba\u9023\u63a5\u5668\u7684\u710a\u8173\u518d\u5f80\u4e0a\u901a\u5e38\u662f\u8207\u5176\u4ed6\u96f6\u4ef6\u9023\u63a5\u7684\u63a5\u89f8\u9ede\uff0c\u9019\u4e9b\u63a5\u89f8\u9ede\u5982\u679c\u5403\u5230\u932b\u53ef\u80fd\u6703\u9020\u6210\u5176\u4ed6\u7684\u63a5\u89f8\u554f\u984c\uff0c\u800c\u4e14\u73fe\u5728\u7684\u9023\u63a5\u5668\u8173\u9593\u8ddd\u5f88\u7a84\uff0c\u710a\u932b\u5f80\u4e0a\u722c\u53ef\u80fd\u6703\u589e\u52a0\u77ed\u8def\u7684\u98a8\u96aa\u3002<\/span><\/p>\n<p><span style=\"font-size: large;\">\uff5e\u4f86\u7e3d\u7d50\u4e00\u4e0b\u524d\u9762\u7684\u89c0\u9ede\uff5e<\/span><\/p>\n<p><span style=\"color: #0000ff; font-size: x-large;\"><strong>\u56de\u710a\u52a0\u6c2e\u6c23\u7684\u512a\u9ede\uff1a<\/strong><\/span><\/p>\n<ul>\n<li><span style=\"font-size: large;\">\u6e1b\u5c11\u904e\u7210\u6c27\u5316<\/span><\/li>\n<li><span style=\"font-size: large;\">\u63d0\u6607\u710a\u63a5\u80fd\u529b<\/span><\/li>\n<li><span style=\"font-size: large;\">\u589e\u5f37\u710a\u932b\u6027<\/span><\/li>\n<li><span style=\"font-size: large;\">\u6e1b\u5c11\u7a7a\u6d1e\u7387(void)\u3002\u56e0\u70ba\u932b\u818f\u6216\u710a\u588a\u7684\u6c27\u5316\u964d\u4f4e\u3001\u710a\u932b\u7684\u6d41\u52d5\u6027\u8b8a\u597d\uff0c\u7a7a\u6d1e\u81ea\u7136\u5c31\u6e1b\u5c11\u4e86\u3002\u95dc\u65bc\u9019\u9ede\u53ef\u80fd\u53ea\u9069\u7528\u5728\u710a\u932b\u8f03\u5c11\u7684\u710a\u9ede\uff0c\u5982\u679c\u662fBGA\u932b\u7403\u9019\u7a2e\u932b\u91cf\u8f03\u591a\u7684\u710a\u9ede\u6709\u53ef\u80fd\u525b\u597d\u9069\u5f97\u5176\u53cd\u3002<\/span><\/li>\n<\/ul>\n<p><span style=\"color: #0000ff; font-size: x-large;\"><strong>\u56de\u710a\u52a0\u6c2e\u6c23\u7684\u7f3a\u9ede\uff1a<\/strong><\/span><\/p>\n<ul>\n<li><span style=\"font-size: large;\">\u71d2\u9322<\/span><\/li>\n<li><span style=\"font-size: large;\">\u589e\u52a0\u5893\u7891\u7522\u751f\u7684\u6a5f\u7387<\/span><\/li>\n<li><span style=\"font-size: large;\">\u589e\u5f37\u6bdb\u7d30\u73fe\u8c61\uff08\u71c8\u82af\u6548\u61c9\uff09<\/span><\/li>\n<li><span style=\"font-size: large;\">\u4f7f\u7528\u6c2e\u6c23\u5f8c\u9700\u6ce8\u610f\u5893\u7891\u6548\u61c9\u4e0d\u826f\u662f\u5426\u589e\u52a0\uff0c\u4e5f\u8981\u6aa2\u67e5\u9023\u63a5\u5668\u710a\u8173\u722c\u932b\u662f\u5426\u904e\u9ad8\u5f71\u97ff\u63a5\u89f8\uff1f<\/span><\/li>\n<li><span style=\"font-size: large;\"><span style=\"color: #9b00d3; font-size: large;\"><strong>2024\/7\/8\u88dc\u5145\u8aaa\u660e\uff1a<\/strong><\/span>\u53ef\u80fd\u589e\u52a0BGA\u932b\u7403\u710a\u9ede\u4e2d\u7684\u7a7a\u6d1e\u7387\u3002<\/span><br \/>\n<span style=\"font-size: large;\">\u7406\u8ad6\u4e0a\uff0c\u5728\u56de\u710a\u7210\u4e2d\u6dfb\u52a0\u6c2e\u6c23(N<sub>2<\/sub>)\u53ef\u4ee5\u4f7f\u5f97\u932b\u818f\u53ca\u88ab\u710a\u63a5\u91d1\u5c6c\u7684\u8868\u9762\u5f35\u529b\u8b8a\u5c0f\u3002\u8f03\u5c0f\u7684\u8868\u9762\u5f35\u529b\u6709\u5229\u65bc\u710a\u7c89(powder)\u7684\u64f4\u6563\u53ca\u52a9\u710a\u5291\u6c23\u9ad4\u7684\u9003\u9038\uff0c\u5f9e\u800c\u6e1b\u5c11\u7a7a\u6d1e\u3002\u7136\u800c\uff0c\u8868\u9762\u5f35\u529b\u5c0d\u7a7a\u6d1e\u7684\u5f71\u97ff\u537b\u662f\u53d6\u6c7a\u65bc\u710a\u9ede\u985e\u5225\uff1a<\/span><\/p>\n<ul>\n<li>\n<div align=\"justify\"><span style=\"font-family: \u5fae\u8edf\u6b63\u9ed1\u9ad4; font-size: large;\">\u00a0<strong>\u975eBGA\u710a\u9ede(\u932b\u91cf\u8f03\u5c11\u7684\u710a\u9ede)\uff1a<\/strong>\u710a\u932b\u584c\u843d\u6a5f\u7387\u5c0f\uff0c\u8f03\u4f4e\u7684\u8868\u9762\u5f35\u529b\u6709\u52a9\u65bc\u710a\u7c89\u5728\u91d1\u5c6c\u4e0a\u9077\u79fb\u548c\u64f4\u5c55\uff0c\u53ef\u4ee5\u6e1b\u5c11\u710a\u932b\u7a7a\u6d1e\uff0c\u4e5f\u5c31\u662f\u53ef\u4ee5\u6539\u5584\u88ab\u710a\u63a5\u91d1\u5c6c\u6216\u710a\u588a\u8868\u9762\u7684\u6f64\u6fd5\u6027\uff0c\u964d\u4f4e\u4e86\u8207\u88ab\u710a\u63a5\u91d1\u5c6c\u8868\u9762\u4e0d\u6f64\u6fd5(non-wetting)\u7684\u7a7a\u6d1e\u3002<\/span><\/div>\n<\/li>\n<li>\n<div align=\"justify\"><span style=\"font-family: \u5fae\u8edf\u6b63\u9ed1\u9ad4; font-size: large;\"><b>BGA\u710a\u9ede(\u710a\u932b\u91cf\u8f03\u591a\u4e14\u8f03\u539a)<\/b>\uff1a\u8f03\u4f4e\u7684\u8868\u9762\u5f35\u529b\u7121\u6cd5\u6709\u6548\u652f\u6490\u6db2\u614b\u710a\u932b\uff0c\u5c0e\u81f4\u6c23\u9ad4\u5728\u710a\u63a5\u904e\u7a0b\u4e2d\u66f4\u6613\u805a\u96c6\u5728\u4e00\u8d77\uff0c\u5f62\u6210\u8f03\u5927\u7a7a\u6d1e\u3002<\/span><\/div>\n<\/li>\n<\/ul>\n<p align=\"justify\"><span style=\"font-family: \u5fae\u8edf\u6b63\u9ed1\u9ad4; font-size: large;\">\u8a73\u7d30\u5167\u5bb9\u53ef\u4ee5\u53c3\u8003\u300a<a title=\"Permanent Link: \u6574\u7406SMT\u56de\u710a\u7210\u6dfb\u52a0\u6c2e\u6c23(N2)\u5c0d\u5404\u7a2e\u710a\u63a5\u4e0d\u826f\u7684\u5f71\u97ff\u8207\u6548\u679c\" href=\"\/\/m.letratesoro.com\/2022\/03\/n2-affect-solder-defect\/\" target=\"_blank\" rel=\"noopener\">\u6574\u7406SMT\u56de\u710a\u7210\u6dfb\u52a0\u6c2e\u6c23(N2)\u5c0d\u5404\u7a2e\u710a\u63a5\u4e0d\u826f\u7684\u5f71\u97ff\u8207\u6548\u679c<\/a>\u300b\u4e00\u6587\u3002<\/span><\/p>\n<\/li>\n<\/ul>\n<p><span style=\"color: #0000ff; font-size: x-large;\"><strong>\u4ec0\u9ebc\u6a23\u7684\u96fb\u8def\u677f\u6216\u96f6\u4ef6\u9069\u5408\u4f7f\u7528\u6c2e\u6c23\u56de\u710a\uff1f<\/strong><\/span><\/p>\n<ul>\n<li><span style=\"font-size: large;\">OSP\u8868\u9762\u8655\u7406\u96d9\u9762\u56de\u710a\u7684\u677f\u5b50\u9069\u5408\u4f7f\u7528\u6c2e\u6c23\u3002<\/span><\/li>\n<li><span style=\"font-size: large;\">\u96f6\u4ef6\u6216\u96fb\u8def\u677f\u5403\u932b\u6548\u679c\u4e0d\u597d\u6642\u53ef\u4ee5\u4f7f\u7528\u3002\u6bd4\u5982\u589e\u52a0QFN\u6216\u57ce\u5821\u578b<span style=\"font-size: large;\">\u7aef\u5b50\u5074\u9762\u5403\u932b\u7684\u6f64\u6fd5\u6027\u3002<\/span><\/span><\/li>\n<li><span style=\"font-size: large;\">\u5927\u5c01\u88dd\u53ca\u9ad8\u5bc6\u5ea6BGA\u3002<\/span><\/li>\n<\/ul>\n<hr \/>\n<p><span style=\"font-size: large;\">\u5ef6\u4f38\u95b1\u8b80\uff1a<\/span><br \/>\n<a href=\"\/\/m.letratesoro.com\/2010\/07\/reflow-profile\/\"><span style=\"font-size: large;\">\u56de\u6d41\u710a\u7684\u6eab\u5ea6\u66f2\u7dda\uff08Reflow Profile\uff09\u89e3\u8aaa<\/span><\/a><br \/>\n<a href=\"\/\/m.letratesoro.com\/2011\/02\/soldering-defect-symptom\/\"><span style=\"font-size: large;\">\u96fb\u8def\u677f\u4e0a\u5e38\u898b\u7684\u710a\u932b\u7f3a\u9ede\u4e2d\u82f1\u6587\u5c0d\u7167\u8207\u89e3\u91cb<\/span><\/a><br \/>\n<a href=\"\/\/m.letratesoro.com\/2015\/11\/smt-soldering-cause-solution\/\"><span style=\"font-size: large;\">\u6574\u7406SMT\u56de\u6d41\u710a\u63a5\u7f3a\u9ede\u3001\u53ef\u80fd\u539f\u56e0\u53ca\u5176\u5c0d\u7b56<\/span><\/a><br \/>\n<a href=\"\/\/m.letratesoro.com\/2017\/04\/wetting-principle\/\"><span style=\"font-size: large;\">PCB\u53ca\u96fb\u5b50\u96f6\u4ef6\u710a\u932b\u5403\u5f97\u597d\u4e0d\u597d(\u6f64\u6fd5\u3001\u4e0d\u6f64\u6fd5\u3001\u7e2e\u932b\u3001\u9000\u6f64\u6fd5)\u7684\u539f\u7406\u662f\u4ec0\u9ebc\uff1f<\/span><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>(\u9019\u662f\u4e00\u7bc7\u6574\u7406\u6587\uff0c\u5167\u6587\u89c0\u9ede\u4e0d\u4e00\u5b9a\u6b63\u78ba\uff0c\u6b61\u8fce\u60a8\u63d0\u51fa &#8230;<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[22,3,4],"tags":[169,132,185],"aioseo_notices":[],"views":21497,"_links":{"self":[{"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/posts\/7347"}],"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=7347"}],"version-history":[{"count":10,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/posts\/7347\/revisions"}],"predecessor-version":[{"id":11385,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/posts\/7347\/revisions\/11385"}],"wp:attachment":[{"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/media?parent=7347"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/categories?post=7347"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/tags?post=7347"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}