{"id":9789,"date":"2025-11-04T07:56:15","date_gmt":"2025-11-04T07:56:15","guid":{"rendered":"https:\/\/www.besterpcba.com\/?p=9789"},"modified":"2025-11-05T06:08:26","modified_gmt":"2025-11-05T06:08:26","slug":"verifying-hidden-bga-solder-joints","status":"publish","type":"post","link":"https:\/\/www.besterpcba.com\/zh_hk\/%e6%ad%a3%e5%9c%a8%e9%a9%97%e8%ad%89%e9%9a%b1%e8%97%8f%e7%9a%84-bga-%e9%8b%81%e7%84%8a%e9%bb%9e\/","title":{"rendered":"Bester PCBA \u5982\u4f55\u9a57\u8b49\u96b1\u85cf\u7684\u710a\u9ede\uff1aDense BGA\u4e0a\u7684 AXI Plus 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class=\"wp-block-heading\" id=\"why-hidden-solder-joints-demand-specialized-verification\">\u70ba\u4f55\u96b1\u85cf\u7684\u710a\u9ede\u9700\u8981\u5c08\u9580\u7684\u9a57\u8b49<\/h2>\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/www.besterpcba.com\/wp-content\/uploads\/2025\/11\/bga_cross_section_diagram.jpg\" alt=\"\u986f\u793a\u4e00\u500bBGA\u6676\u7247\u901a\u904e\u4e00\u6392\u96b1\u85cf\u710a\u7403\u9023\u63a5\u5230\u96fb\u8def\u677f\u7684\u793a\u610f\u5716\" title=\"\u7403\u67f5\u9663\u5217\uff08BGA\uff09\u710a\u9ede\u7684\u5256\u9762\u5716\"\/><figcaption class=\"wp-element-caption\">BGA\u5143\u4ef6\u901a\u904e\u5c01\u88dd\u4e0b\u96b1\u85cf\u7684\u710a\u7403\u9023\u63a5\u5230PCB\uff0c\u4f7f\u5f97\u76f4\u63a5\u8089\u773c\u6aa2\u67e5\u8b8a\u5f97\u4e0d\u53ef\u80fd\u3002<\/figcaption><\/figure>\n<\/div>\n\n\n<p>\u7403\u9663\u5217\uff08BGA\uff09\u5143\u4ef6\u901a\u904e\u5176\u5e95\u90e8\u4e00\u6392\u710a\u7403\u9023\u63a5\u5230\u96fb\u677f\uff0c\u800c\u4e0d\u662f\u901a\u904e\u5176\u672c\u9ad4\u5ef6\u4f38\u7684\u5f15\u8173\u3002\u5728\u56de\u710a\u904e\u7a0b\u4e2d\uff0c\u9019\u4e9b\u710a\u7403\u6703\u584c\u9677\u4e26\u8207\u96fb\u677f\u4e0a\u7684\u5c0d\u61c9\u710a\u588a\u6fd5\u63a5\uff0c\u5f62\u6210\u5b8c\u5168\u88ab\u5c01\u88dd\u906e\u64cb\u7684\u63a5\u9ede\u3002\u9019\u7a2e\u8a2d\u8a08\u5728\u5bc6\u5ea6\u548c\u96fb\u6027\u80fd\u65b9\u9762\u5177\u6709\u5de8\u5927\u512a\u52e2\uff0c\u80fd\u5b9e\u73b0\u7d30\u9593\u8ddd\u9023\u63a5\u548c\u77ed\u4fe1\u865f\u8def\u5f91\u3002\u5b83\u9084\u6d88\u9664\u4e86\u50b3\u7d71\u5f15\u8173\u5f0f\u5143\u4ef6\u7684\u76f4\u63a5\u6aa2\u67e5\u6027\u3002<\/p>\n\n\n\n<p>\u5149\u5b78\u6aa2\u67e5\u7cfb\u7d71\uff0c\u7121\u8ad6\u624b\u52d5\u6216\u81ea\u52d5\uff0c\u4f9d\u9760\u53cd\u5c04\u5149\u4f86\u5224\u65b7\u710a\u63a5\u9ede\u5f62\u72c0\u548c\u63a5\u5408\u60c5\u6cc1\u3002\u5c0d\u65bcBGA\u4f86\u8aaa\uff0c\u6c92\u6709\u53ef\u898b\u7684\u710a\u89d2\u3002\u5c01\u88dd\u672c\u9ad4\u963b\u64cb\u4e86\u4efb\u4f55\u8996\u7dda\u4f86\u6aa2\u67e5\u710a\u9ede\u3002\u81ea\u52d5\u5149\u5b78\u7cfb\u7d71\u53ef\u4ee5\u78ba\u8a8d\u5143\u4ef6\u7684\u5b58\u5728\u8207\u4f4d\u7f6e\uff0c\u4f46\u7121\u6cd5\u770b\u5230\u710a\u63a5\u672c\u8eab\u3002\u552f\u4e00\u5916\u90e8\u7dda\u7d22\u2014\u2014\u5c01\u88dd\u7684\u61f8\u9ad8\u3055\u2014\u2014\u63d0\u4f9b\u4e86\u7c97\u7565\u7684\u710a\u6599\u91cf\u4f30\u8a08\uff0c\u4f46\u63ed\u793a\u4e0d\u4e86\u5167\u90e8\u7a7a\u6d1e\u3001\u4e0d\u6fd5\u6f64\u6216\u6a4b\u63a5\u554f\u984c\u3002<\/p>\n\n\n\n<p>\u96a8\u8457\u5bc6\u5ea6\u589e\u52a0\uff0c\u9019\u500b\u6311\u6230\u4e5f\u6108\u767c\u56b4\u5cfb\u30020.5\u6beb\u7c73\u9593\u8ddd\u7684\u5fae\u578bBGA\u6709256\u500b\u7403\uff0c\u63d0\u4f9b256\u500b\u53ef\u80fd\u7684\u7f3a\u9677\uff0c\u5149\u5b78\u65b9\u6cd5\u53ef\u80fd\u6703\u932f\u904e\u3002\u6676\u7247\u5c3a\u5bf8\u7684\u5c01\u88dd\uff0c\u5e7e\u4e4e\u7b49\u5927\u65bc\u5c01\u88dd\u672c\u9ad4\uff0c\u9032\u4e00\u6b65\u63a8\u9ad8\u4e86\u5bc6\u5ea6\uff0c\u8aa4\u5dee\u5bb9\u5fcd\u5ea6\u7e2e\u5c0f\uff0c\u50c5\u4f9d\u8cf4\u6d41\u7a0b\u63a7\u5236\u8b8a\u6210\u4e00\u5834\u8ced\u535a\u3002\u5c0d\u65bc\u9ad8\u53ef\u9760\u5ea6\u7684\u7d44\u88dd\uff0c\u9019\u7a2e\u8ced\u535a\u662f\u7d55\u5c0d\u4e0d\u80fd\u63a5\u53d7\u7684\u3002<\/p>\n\n\n\n<p>\u884c\u696d\u7684\u61c9\u5c0d\u65b9\u6cd5\u662f\u627e\u5230\u7a7f\u900f\u5c01\u88dd\u7684\u9014\u5f91\u3002\u81ea\u52d5X\u5149\u6aa2\u67e5\u662f\u4e3b\u8981\u89e3\u6c7a\u65b9\u6848\uff0c\u4f46\u5b83\u53ea\u89e3\u6c7a\u4e86\u4e00\u534a\u7684\u9a57\u8b49\u554f\u984c\u3002\u7406\u89e3\u5176\u80fd\u529b\u8207\u9650\u5236\uff0c\u662f\u5236\u5b9a\u5b8c\u6574\u7b56\u7565\u7684\u7b2c\u4e00\u6b65\u3002<\/p>\n\n\n<h2 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id=\"how-xray-imaging-penetrates-the-package\">X\u5149\u6210\u50cf\u5982\u4f55\u7a7f\u900f\u5305\u88f9<\/h3>\n\n\n<p>X\u5c04\u7dda\u4f4d\u65bc\u96fb\u78c1\u8b5c\u7684\u4e00\u500b\u5340\u57df\uff0c\u5176\u6ce2\u9577\u9060\u77ed\u65bc\u53ef\u898b\u5149\u3002\u5728\u9019\u4e9b\u6ce2\u9577\u4e0b\uff0c\u5149\u5b50\u651c\u5e36\u8db3\u5920\u7684\u80fd\u91cf\u7a7f\u900f\u6211\u5011\u8089\u773c\u4e0d\u53ef\u898b\u7684\u6750\u6599\uff0c\u5305\u62ecBGA\u5c01\u88dd\u7684\u74b0\u6c27\u6a39\u8102\u6216\u9676\u74f7\u9ad4\u3002\u7a7f\u900f\u7a0b\u5ea6\u53d6\u6c7a\u65bc\u6750\u6599\u7684\u5bc6\u5ea6\u3002\u7528\u65bc\u710a\u63a5\u7684\u91d1\u5c6c\uff0c\u5982\u932b-\u925b\u6216\u932b-\u9280-\u9285\u5408\u91d1\uff0c\u5177\u6709\u8f03\u9ad8\u7684\u539f\u5b50\u5e8f\u6578\uff0c\u80fd\u6bd4\u96fb\u8def\u677f\u6216\u5c01\u88dd\u4e2d\u7684\u8f03\u8f15\u5143\u7d20\u66f4\u5f37\u70c8\u5730\u5438\u6536X\u5c04\u7dda\u3002\u9019\u7a2e\u5dee\u7570\u5438\u6536\u7522\u751f\u5c0d\u6bd4\u5ea6\u3002<\/p>\n\n\n\n<p>AXI\u7cfb\u7d71\u901a\u904e\u4e00\u675fX\u5149\u675f\u7a7f\u904e\u7d44\u4ef6\uff0c\u5c0d\u5074\u7684\u63a2\u6e2c\u5668\u6355\u6349\u7a7f\u900f\u7684\u8f3b\u5c04\uff0c\u5f62\u6210\u9670\u5f71\u5f71\u50cf\uff0c\u5728\u8f03\u5bc6\u96c6\u7684\u6750\u6599\u4e0a\u5448\u73fe\u8f03\u6697\u7684\u5340\u57df\u3002BGA\u4e0b\u7684\u710a\u7403\u6703\u6295\u5c04\u51fa\u660e\u986f\u7684\u9670\u5f71\uff0c\u986f\u793a\u51fa\u5b83\u5011\u4e4b\u9593\u7684\u7a7a\u9699\u3001\u5167\u90e8\u7a7a\u6d1e\uff0c\u4ee5\u53ca\u710a\u9ede\u8207\u710a\u76e4\u7684\u754c\u7dda\u3002\u9019\u662f\u5bc6\u5ea6\u7684\u5716\u50cf\uff0c\u800c\u89e3\u8b80\u5b83\u610f\u5473\u8457\u7406\u89e3\u54ea\u4e9b\u7d50\u69cb\u7279\u5fb5\u8207\u53ef\u9760\u9023\u63a5\u6709\u95dc\u3002<\/p>\n\n\n\n<p>\u73fe\u4ee3AXI\u7cfb\u7d71\u63d0\u4f9b\u591a\u89d2\u5ea6\u6aa2\u8996\u548c\u5c64\u6790\u91cd\u5efa\uff0c\u8b93\u4eba\u53ef\u4ee5\u6aa2\u67e5\u63a5\u5408\u5167\u7684\u500b\u5225\u5c64\u3002\u9019\u5c0d\u65bc\u5340\u5206\u5c01\u88dd\u5074\u754c\u9762\u4e0a\u7684\u7121\u5bb3\u7a7a\u6d1e\u8207\u6703\u5371\u53ca\u71b1\u8207\u96fb\u8def\u8def\u5f91\u7684\u5371\u96aa\u7a7a\u6d1e\u81f3\u95dc\u91cd\u8981\u3002\u96d6\u7136\u6210\u50cf\u7684\u7269\u7406\u9650\u5236\u2014\u2014\u7a7a\u9593\u89e3\u6790\u5ea6\u662f\u6709\u9650\u7684\uff0c\u5fae\u5c0f\u88c2\u7e2b\u53ef\u80fd\u7121\u6cd5\u6aa2\u6e2c\u5230\u2014\u2014\u4f46\u6b64\u65b9\u6cd5\u5728\u63ed\u793a\u96b1\u85cf\u710a\u9ede\u7684\u5167\u90e8\u7d50\u69cb\u65b9\u9762\u7121\u8207\u502b\u6bd4\u3002<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"the-axi-criteria-for-acceptable-solder-joints\">\u53ef\u63a5\u53d7\u7684\u710a\u9ede\u7684AXI\u6a19\u6e96<\/h3>\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/www.besterpcba.com\/wp-content\/uploads\/2025\/11\/axi_solder_wetting_comparison.jpg\" alt=\"AXI X\u5149\u5f71\u50cf\u4e26\u6392\u986f\u793a\u3002\u5de6\u5074\u70ba\u5b8c\u7f8e\u6210\u578b\u7684\u5713\u5f62\u710a\u9ede\uff0c\u53f3\u5074\u5247\u70ba\u8b8a\u5f62\u4e14\u6fd5\u6f64\u4e0d\u826f\u7684\u710a\u9ede\" title=\"\u826f\u597d\u8207\u4e0d\u826f\u710a\u9ede\u6fd5\u6f64\u7684X\u5149\u5c0d\u6bd4\u5716\"\/><figcaption 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\u710a\u6599\u5fc5\u9808\u6d41\u52d5\u4e26\u9644\u8457\u5728\u5c01\u88dd\u548c\u677f\u588a\u4e0a\uff0c\u5f62\u6210\u9023\u7e8c\u7684\u91d1\u5c6c\u7d50\u5408\u3002\u5408\u9069\u6fd5\u6f64\u7684\u710a\u9ede\u770b\u8d77\u4f86\u50cf\u5f9e\u710a\u7403\u5230\u710a\u76e4\u7684\u5e73\u6ed1\u904e\u6e21\u3002\u4efb\u4f55\u92b3\u5229\u7684\u7a7a\u9699\u6216\u4f4e\u5c0d\u6bd4\u5340\u57df\u90fd\u8868\u793a\u4e0d\u6fd5\u6f64\uff0c\u9019\u662f\u6703\u5c0e\u81f4\u5fb9\u5e95\u5931\u6548\u7684\u707d\u96e3\u6027\u7f3a\u9677\uff0c\u5c0e\u81f4\u710a\u9ede\u5931\u53bb\u6a5f\u68b0\u548c\u96fb\u6c23\u5b8c\u6574\u6027\u3002<\/p>\n\n\n\n<p>\u63a5\u8457\uff0c\u710a\u9ede\u5fc5\u9808 <strong>\u5c45\u4e2d\u4e26\u5c0d\u9f4a<\/strong>. \u710a\u7403\u61c9\u5c45\u4e2d\u65bc\u5176\u710a\u76e4\u4e0a\uff0c\u5f62\u6210\u5c0d\u7a31\u7684\u9023\u63a5\u3002\u932f\u4f4d\uff0c\u901a\u5e38\u7531\u653e\u7f6e\u932f\u8aa4\u5f15\u8d77\uff0c\u6703\u964d\u4f4e\u6709\u6548\u63a5\u89f8\u9762\u7a4d\u4e26\u589e\u52a0\u61c9\u529b\u96c6\u4e2d\u3002AXI\u8edf\u4ef6\u6703\u6e2c\u91cf\u9019\u500b\u504f\u79fb\uff0c\u4e26\u6a19\u8a18\u8d85\u904e\u8a2d\u5b9a\u95be\u503c\u7684\u710a\u9ede\u3002<\/p>\n\n\n\n<p>\u6700\u5f8c\uff0cAXI\u63ed\u793a <strong>\u7a7a\u6d1e<\/strong>\u2014\u5728\u56de\u6d41\u710a\u904e\u7a0b\u4e2d\u710a\u6599\u5167\u6355\u6349\u7684\u6c23\u9ad4\u7a7a\u6d1e\uff0c\u901a\u5e38\u7531\u812b\u6c23\u7684\u52a9\u710a\u5291\u6216\u6c34\u5206\u5f15\u8d77\u3002\u7a7a\u6d1e\u5448\u73fe\u70ba\u5728\u8f03\u4eae\u7684\u710a\u7403\u5167\u7684\u9ed1\u6697\u5340\u57df\u3002\u5c0f\u7684\u7a7a\u6d1e\u5e7e\u4e4e\u662f\u4e0d\u53ef\u907f\u514d\u7684\uff0c\u4f46\u5176\u5927\u5c0f\u3001\u6578\u91cf\u548c\u4f4d\u7f6e\u6c7a\u5b9a\u4e86\u5b83\u5011\u662f\u5426\u6703\u5371\u53ca\u710a\u9ede\u3002<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"voiding-thresholds-and-what-they-mean-for-reliability\">\u7a7a\u6d1e\u95be\u503c\u53ca\u5176\u5c0d\u53ef\u9760\u6027\u7684\u610f\u7fa9<\/h3>\n\n\n<p>\u7a7a\u6d1e\u542b\u91cf\u8207\u9577\u671f\u53ef\u9760\u6027\u4e4b\u9593\u7684\u95dc\u4fc2\u4e26\u4e0d\u7c21\u55ae\uff1b\u5b83\u53d6\u6c7a\u65bc\u710a\u9ede\u7684\u529f\u80fd\u3002\u5c0d\u65bc\u96fb\u6c23\u9023\u63a5\uff0c\u7a7a\u6d1e\u6703\u7e2e\u5c0f\u622a\u9762\u7a4d\u4e26\u589e\u52a0\u963b\u6297\u3002\u5c0d\u65bc\u529f\u7387\u5668\u4ef6\u7684\u71b1\u8def\uff0c\u5247\u963b\u7919\u71b1\u50b3\u905e\u3002\u5c0d\u65bc\u6a5f\u68b0\u5b8c\u6574\u6027\uff0c\u8f03\u5927\u7684\u7a7a\u6d1e\u53ef\u80fd\u6210\u70ba\u71b1\u61c9\u529b\u4e0b\u88c2\u7d0b\u7684\u8d77\u59cb\u9ede\u3002<\/p>\n\n\n\n<p>\u884c\u696d\u6a19\u6e96\u5404\u7570\uff0c\u4f46\u5927\u591a\u6578\u61c9\u7528\u4e2d\uff0c\u5c07\u710a\u7403\u622a\u9762\u7a4d\u4e0b\u7684\u7e3d\u7a7a\u6d1e\u9762\u7a4d\u63a7\u5236\u572825%\u4ee5\u4e0b\u662f\u53ef\u63a5\u53d7\u7684\u57fa\u672c\u6a19\u6e96\u3002\u7a7a\u6d1e\u542b\u91cf\u4ecb\u65bc25%\u548c50%\u4e4b\u9593\u5247\u9032\u5165\u689d\u4ef6\u5340\u57df\uff0c\u662f\u5426\u63a5\u53d7\u53d6\u6c7a\u65bc\u710a\u9ede\u7684\u529f\u80fd\uff1b\u4f4e\u529f\u7387\u4fe1\u865f\u7403\u53ef\u80fd\u901a\u904e\uff0c\u800c\u71b1\u80fd\u7403\u5247\u4e0d\u884c\u3002\u8d85\u904e50%\u5247\u901a\u5e38\u76f4\u63a5\u62d2\u7d55\uff0c\u56e0\u70ba\u710a\u9ede\u50b3\u5c0e\u96fb\u6d41\u548c\u6563\u71b1\u7684\u80fd\u529b\u6703\u88ab\u56b4\u91cd\u524a\u5f31\u3002<\/p>\n\n\n\n<p>Bester PCBA\u5c07\u9019\u4e9b\u95be\u503c\u4f5c\u70ba\u8d77\u9ede\uff0c\u4e26\u6839\u64da\u7279\u5b9a\u8a2d\u8a08\u9032\u884c\u8abf\u6574\u3002\u9ad8\u53ef\u9760\u6027\u7684\u822a\u7a7a\u822a\u5929\u7d44\u88dd\u53ef\u80fd\u8981\u6c42\u56b4\u683c\u768415%\u9650\u5236\uff0c\u800c\u6d88\u8cbb\u54c1\u5247\u53ef\u80fd\u5bb9\u5fcd\u6a19\u6e96\u768425%\u3002\u81f3\u95dc\u91cd\u8981\u7684\u662f\uff0c\u9019\u500b\u95be\u503c\u4e26\u975e\u96a8\u610f\u8a2d\u5b9a\uff0c\u800c\u662f\u57fa\u65bc\u7d93\u9a57\u6578\u64da\uff0c\u9019\u4e9b\u6578\u64da\u5c07\u7a7a\u6d1e\u542b\u91cf\u8207\u73fe\u5834\u5931\u6548\u53ca\u71b1\u6027\u80fd\u76f8\u95dc\u806f\u3002<\/p>\n\n\n\n<p>\u8a72 <em>\u5206\u5e03<\/em> \u7a7a\u6d1e\u7684\u5206\u5e03\u4e5f\u5f88\u91cd\u8981\u3002\u4f54\u64da\u95dc\u7bc0\u9762 20% \u7684\u55ae\u4e00\u7a7a\u6d1e\u901a\u5e38\u8f03\u4e0d\u4ee4\u4eba\u64d4\u6182\uff0c\u800c\u4e94\u500b\u7a7a\u6d1e\u5404\u4f54 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alt=\"\u986f\u793a\u52a0\u71b1\u6642BGA\u5c01\u88dd\u548cPCB\u7684\u64f4\u5f35\u901f\u7387\u4e0d\u540c\uff0c\u5c0e\u81f4\u710a\u9ede\u7522\u751f\u61c9\u529b\u7684\u793a\u610f\u5716\" title=\"BGA\u710a\u9ede\u7684\u71b1\u81a8\u8139\u4e0d\u5339\u914d\"\/><figcaption 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alt=\"\u4e00\u5f35\u5b89\u88dd\u5728\u5be6\u9a57\u53f0\u4e0a\u7684\u6e2c\u8a66\u593e\u5177\u4e2d\u7684\u5370\u5237\u96fb\u8def\u677f\u7d44\u88dd\u7167\u7247\uff0c\u914d\u6709\u9023\u63a5\u96fb\u7dda\u548c\u63a2\u91dd\u4ee5\u9032\u884c\u96fb\u6e90\u5faa\u74b0\u6e2c\u8a66\" title=\"\u5728\u6e2c\u8a66\u53f0\u4e0a\u9032\u884c\u96fb\u6e90\u5faa\u74b0\u7684PCBA\"\/><figcaption class=\"wp-element-caption\">\u5c07 PCBA \u56fa\u5b9a\u5728\u5c08\u7528\u593e\u5177\u4e2d\u9032\u884c\u96fb\u6e90\u5faa\u74b0\u6e2c\u8a66\uff0c\u4ee5\u53cd\u8986\u958b\u95dc\uff0c\u9a57\u8b49\u63a5\u9ede\u5728\u71b1\u548c\u96fb\u61c9\u529b\u4e0b\u7684\u53ef\u9760\u6027\u3002<\/figcaption><\/figure>\n<\/div>\n\n\n<p>\u5728Bester 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