{"id":9937,"date":"2025-11-10T03:30:17","date_gmt":"2025-11-10T03:30:17","guid":{"rendered":"https:\/\/www.besterpcba.com\/?p=9937"},"modified":"2025-11-10T03:30:19","modified_gmt":"2025-11-10T03:30:19","slug":"eliminating-voids-in-power-electronics","status":"publish","type":"post","link":"https:\/\/www.besterpcba.com\/zh_hk\/%e6%b6%88%e9%99%a4%e9%9b%bb%e5%8a%9b%e9%9b%bb%e5%ad%90%e4%b8%ad%e7%9a%84%e7%a9%ba%e6%b4%9e\/","title":{"rendered":"\u5de5\u7a0b\u5e2b\u6d88\u9664\u96fb\u6e90\u968e\u6bb5\u7d44\u88dd\u4e2d\u7a7a\u9699\u6307\u5357"},"content":{"rendered":"<p>\u8a2d\u8a08\u662f\u5b8c\u7f8e\u7684\u3002\u5805\u56fa\u7684\u5143\u4ef6\u3001\u512a\u5316\u7684\u71b1\u5e03\u5c40\u3001\u5b8c\u7f8e\u7684\u6a21\u64ec\u3002\u7136\u5f8c\uff0c\u5e7e\u9031\u6216\u5e7e\u500b\u6708\u5f8c\uff0c\u73fe\u5834\u5831\u544a\u958b\u59cb\u9678\u7e8c\u50b3\u4f86\u3002\u96fb\u6e90\u968e\u6bb5\u904e\u71b1\u3002\u6027\u80fd\u53d7\u9650\u3002\u5728\u6700\u58de\u7684\u60c5\u6cc1\u4e0b\uff0c\u5143\u4ef6\u5b8c\u5168\u5931\u6548\u3002\u7f6a\u9b41\u798d\u9996\u4e0d\u662f\u4f60\u7684\u8a2d\u8a08\u7f3a\u9677\uff0c\u800c\u662f\u4e00\u500b\u7a7a\u6d1e\uff1a\u710a\u9ede\u4e2d\u56f0\u4f4f\u7684\u5fae\u5c0f\u6c23\u6ce1\u3002<\/p>\n\n\n\n<p>\u9019\u4e9b\u7a7a\u6d1e\u662f\u96fb\u529b\u96fb\u5b50\u7684\u6c89\u9ed8\u6bba\u624b\u3002\u5c0d\u65bc\u50cfDPAK\u3001D2PAK\u548c\u5927\u578bQFN\u7b49\u5143\u4ef6\uff0c\u5b89\u88dd\u5728\u539a\u9285\u5806\u4e0a\uff0c\u7a7a\u6d1e\u4e0d\u50c5\u50c5\u662f\u5916\u89c0\u7f3a\u9677\uff1b\u5b83\u76f4\u63a5\u5a01\u8105\u5230\u4f60\u7684\u7522\u54c1\u7684\u53ef\u9760\u6027\u548c\u4f7f\u7528\u58fd\u547d\u3002\u5728Bester 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class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/www.besterpcba.com\/wp-content\/uploads\/2025\/11\/thermal-comparison-of-solder-voids.jpg\" alt=\"\u5074\u908a\u7684\u71b1\u50cf\u6bd4\u8f03\u5716\u3002\u5de6\u5074\u986f\u793a\u6709\u710a\u6599\u7a7a\u6d1e\u7684PCB\uff0c\u5c0e\u81f4\u5143\u4ef6\u51fa\u73fe\u5371\u96aa\u7684\u7d05\u71b1\u9ede\u3002\u53f3\u5074\u5247\u662f\u7121\u7a7a\u6d1e\u7684\u677f\u5b50\uff0c\u71b1\u5206\u4f48\u5747\u52fb\u4e14\u8f03\u51b7\u3002\" title=\"\u710a\u6599\u7a7a\u6d1e\u5c0d\u96fb\u529b\u5143\u4ef6\u7684\u71b1\u5f71\u97ff\"\/><figcaption class=\"wp-element-caption\">\u71b1\u6210\u50cf\u5100\u63ed\u793a\u4e86\u710a\u6599\u7a7a\u6d1e\u7684\u73fe\u5be6\u5f71\u97ff\u3002\u5de6\u5074\u96fb\u8def\u677f\u986f\u793a\u4e86\u95dc\u9375\u7684\u71b1\u9ede\uff0c\u800c\u53f3\u5074\u7121\u7a7a\u6d1e\u7684\u7d44\u88dd\u5247\u7dad\u6301\u5728\u5b89\u5168\u7684\u5de5\u4f5c\u6eab\u5ea6\u3002<\/figcaption><\/figure><\/div>\n\n\n<p>\u5f8c\u679c\u4e26\u975e\u7406\u8ad6\u4e0a\u7684\u3002\u5728\u8ca0\u8f09\u4e0b\uff0c\u986f\u8457\u7684\u7a7a\u6d1e\u767e\u5206\u6bd4\u5f88\u5bb9\u6613\u5c07\u7d50\u9ede\u6eab\u5ea6\u63d0\u9ad820\u00b0C\u6216\u66f4\u591a\uff0c\u56b4\u91cd\u7e2e\u77ed\u5143\u4ef6\u7684\u904b\u4f5c\u58fd\u547d\u4e26\u7834\u58de\u6574\u500b\u7cfb\u7d71\u7684\u53ef\u9760\u6027\u3002<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"the-physics-of-voids-how-solder-paste-becomes-a-heat-trap\">\u7a7a\u6d1e\u7684\u7269\u7406\u5b78\uff1a\u710a\u818f\u5982\u4f55\u6210\u70ba\u71b1\u9677\u9631<\/h3>\n\n\n<p>\u7a7a\u6d1e\u6e90\u81ea\u65bc\u710a\u818f\u672c\u8eab\u3002\u710a\u818f\u662f\u91d1\u5c6c\u710a\u6599\u7403\u8207\u7c98\u7a20\u7684\u52a9\u710a\u5291\u7684\u6df7\u5408\u7269\u3002\u5728\u56de\u6d41\u710a\u904e\u7a0b\u4e2d\uff0c\u52a9\u710a\u5291\u8b8a\u5f97\u9ad8\u5ea6\u6d3b\u8e8d\uff0c\u6e05\u6f54\u91d1\u5c6c\u8868\u9762\u4ee5\u78ba\u4fdd\u826f\u597d\u7684\u9ecf\u7d50\u3002\u9019\u500b\u6fc0\u6d3b\u904e\u7a0b\u7684\u4e00\u500b\u526f\u7522\u54c1\u662f\u6c23\u9ad4\u91cb\u653e\uff0c\u5373\u52a9\u710a\u5291\u5728\u52a0\u71b1\u6642\u91cb\u653e\u63ee\u767c\u6027\u5316\u5408\u7269\u3002\u5728\u6a19\u6e96\u56de\u6d41\u5de5\u85dd\u4e2d\uff0c\u9019\u4e9b\u6c23\u9ad4\u6c23\u6ce1\u5fc5\u9808\u5728\u710a\u6599\u51dd\u56fa\u524d\u9038\u51fa\u3002<\/p>\n\n\n\n<p>\u7576\u5c07\u5c0f\u5143\u4ef6\u710a\u63a5\u5230\u5c0f\u710a\u76e4\u6642\uff0c\u6c23\u9ad4\u7684\u9038\u51fa\u901a\u8def\u77ed\u800c\u5bb9\u6613\u3002\u7576\u8655\u7406\u5927\u578b\u71b1\u588a\u6642\uff0c\u554f\u984c\u5c31\u8b8a\u5f97\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n\n\n<h3 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class=\"wp-block-heading\" id=\"the-bester-pcba-playbook-a-system-for-voidfree-assembly\">Bester PCBA \u64cd\u4f5c\u624b\u518a\uff1a\u7121\u6c23\u5b54\u7d44\u88dd\u7cfb\u7d71<\/h2>\n\n\n<p>\u5728Bester PCBA\u4e2d\uff0c\u6211\u5011\u5c07\u7a7a\u6d1e\u6e1b\u5c11\u8996\u70ba\u4e00\u500b\u6574\u5408\u7cfb\u7d71\uff0c\u800c\u975e\u55ae\u4e00\u6b65\u9a5f\u3002\u6211\u5011\u7684\u6d41\u7a0b\u7d50\u5408\u4e86\u6a21\u677f\u5de5\u7a0b\u3001\u5148\u9032\u7684\u771f\u7a7a\u8f2a\u5ed3\u63a7\u5236\u8207\u56b4\u683c\u7684\u5de5\u85dd\u7d00\u5f8b\uff0c\u4ee5\u78ba\u4fdd\u5c0d\u7a7a\u6d1e\u654f\u611f\u5143\u4ef6\u7684\u710a\u9ede\u5177\u6709\u6700\u9ad8\u7684\u5b8c\u6574\u6027\u3002<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"it-starts-with-the-stencil-engineering-solder-paste-deposits\">\u5f9e\u6a21\u677f\u958b\u59cb\uff1a\u5de5\u7a0b\u710a\u818f\u6c89\u7a4d<\/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\/windowpane-stencil-for-solder-paste.jpg\" alt=\"\u7528\u65bcPCB\u7d44\u88dd\u7684\u4e0d\u92b9\u92fc\u6a21\u677f\u7684\u5b8f\u89c0\u7167\u7247\u3002\u5927\u71b1\u588a\u7684\u958b\u5b54\u662f\u7531\u8f03\u5c0f\u6b63\u65b9\u5f62\u7684\u7db2\u683c\u69cb\u6210\uff0c\u4e00\u500b\u2018\u7a97\u683c\u2019\u8a2d\u8a08\uff0c\u6709\u52a9\u65bc\u9632\u6b62\u710a\u6599\u7a7a\u6d1e\u3002\" title=\"\u7a97\u683c\u6a21\u677f\u8a2d\u8a08\uff0c\u7528\u65bc\u710a\u818f\u6c89\u7a4d\"\/><figcaption 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