{"id":9754,"date":"2025-11-04T07:51:32","date_gmt":"2025-11-04T07:51:32","guid":{"rendered":"https:\/\/www.besterpcba.com\/?p=9754"},"modified":"2025-11-05T06:09:57","modified_gmt":"2025-11-05T06:09:57","slug":"enig-prevents-qfn-thermal-voids","status":"publish","type":"post","link":"https:\/\/www.besterpcba.com\/zh_hk\/enig-%e9%98%b2%e6%ad%a2-qfn-%e7%86%b1%e7%a9%ba%e6%b4%9e\/","title":{"rendered":"ENIG\u4f55\u6642\u6084\u7136\u89e3\u6c7aQFN\u71b1\u588a\u7a7a\u6d1e\u554f\u984c"},"content":{"rendered":"<p>\u73fe\u5834\u9000\u56de\u7d93\u5e38\u8ffd\u6eaf\u5230\u540c\u4e00\u500b\u5b89\u975c\u7684\u6545\u969c\uff1aQFN\u5c01\u88dd\u7684\u71b1\u588a\u4e0b\u7684\u7a7a\u6d1e\u3002\u7522\u54c1\u901a\u904e\u4e86\u521d\u6b65\u6e2c\u8a66\uff0c\u767c\u8ca8\u7d66\u5ba2\u6236\uff0c\u4f46\u5728\u9577\u6642\u9593\u71b1\u8ca0\u8f09\u4e0b\u958b\u59cb\u5931\u6548\u3002\u5de5\u7a0b\u7d93\u7406\u5728\u5be9\u67e5\u6839\u672c\u539f\u56e0\u5206\u6790\u6642\uff0c\u8a3a\u65b7\u7d50\u679c\u4ee4\u4eba\u6cae\u55aa\u5730\u4e00\u81f4\u3002\u5728\u5927\u578b\u9285\u71b1\u588a\u4e0a\u4e0d\u5b8c\u5168\u7684\u710a\u6599\u6fd5\u6f64\u5f62\u6210\u4e86\u7a7a\u6d1e\uff0c\u964d\u4f4e\u4e86\u6563\u71b1\u6548\u679c\uff0c\u5c0e\u81f4\u5143\u4ef6\u63d0\u524d\u5931\u6548\u3002\u672c\u80fd\u53cd\u61c9\u662f\u8abf\u6574\u56de\u6d41\u66f2\u7dda\u6216\u8abf\u6574\u6a21\u677f\u5b54\u5f91\uff0c\u4f46\u9019\u4e9b\u53ea\u662f\u6df1\u5c64\u50b7\u53e3\u7684\u8cbc\u5e03\u3002<\/p>\n\n\n\n<p>\u5927\u591a\u6578\u5718\u968a\u5ffd\u7565\u7684\u8b8a\u6578\u662f\u8868\u9762\u8655\u7406\u3002HASL\u6703\u9020\u6210\u71b1\u588a\u7a7a\u6d1e\u7684\u689d\u4ef6\uff0c\u800cENIG\u5247\u6084\u6084\u5730\u9632\u6b62\u5b83\u5011\u9996\u5148\u5f62\u6210\u3002\u5169\u8005\u7684\u5340\u5225\u4e0d\u50c5\u50c5\u662f\u934d\u5c64\u5316\u5b78\u7684\u62bd\u8c61\u5dee\u7570\uff0c\u800c\u662f\u4e00\u500b\u5177\u9ad4\u7684\u6a5f\u68b0\u5be6\u969b\uff1a\u6210\u54c1\u8868\u9762\u7684\u5e73\u6574\u5ea6\u6c7a\u5b9a\u4e86\u710a\u6599\u662f\u5426\u80fd\u5b8c\u5168\u6fd5\u6f64\uff0c\u4ee5\u53ca\u5728\u56de\u6d41\u904e\u7a0b\u4e2d\u52a9\u710a\u5291\u662f\u5426\u80fd\u9003\u812b\u3002\u5728QFN\u5e38\u898b\u7684\u7d30\u9593\u8ddd\u3001\u9ad8\u6563\u71b1\u677f\u5b50\u4e0a\uff0c\u9019\u500b\u5340\u5225\u6c7a\u5b9a\u4e86\u53ef\u9760\u751f\u7522\u8207\u6602\u8cb4\u7684\u73fe\u5834\u5931\u6548\u4e4b\u9593\u7684\u754c\u7dda\u3002<\/p>\n\n\n\n<p>\u7406\u89e3\u9019\u4e00\u5340\u5225\u81f3\u95dc\u91cd\u8981\u3002\u63a8\u5ee3ENIG\u7684\u7406\u7531\u4e0d\u662f\u8ffd\u6c42\u5b8c\u7f8e\uff0c\u800c\u662f\u7ba1\u7406\u98a8\u96aa\u3002\u5b83\u662f\u5728\u6b0a\u8861\u8f03\u5c0f\u7684\u677f\u6750\u6210\u672c\u5347\u9ad8\u8207\u71b1\u7a69\u5b9a\u6027\u3001\u6a21\u677f\u8a2d\u8a08\u59a5\u5354\u4ee5\u53ca\u73fe\u5834\u5931\u6548\u7684\u5de8\u5927\u3001\u4e0d\u53ef\u6062\u5fa9\u6210\u672c\u4e4b\u9593\u505a\u51fa\u53d6\u6368\u3002<\/p>\n\n\n<h2 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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\/xray_image_of_solder_voids_under_qfn.jpg\" alt=\"\u4e00\u5f35QFN\u5c01\u88dd\u7684\u71b1\u588aX\u5149\u8996\u5716\uff0c\u986f\u793a\u4ee3\u8868\u710a\u9ede\u7a7a\u6d1e\u7684\u6697\u5340\u3002\" title=\"X\u5149\u5f71\u50cf\u986f\u793aQFN\u71b1\u588a\u4e0b\u7684\u710a\u6599\u7a7a\u6d1e\"\/><figcaption class=\"wp-element-caption\">\u9019\u500bX\u5c04\u7dda\u4e2d\u53ef\u898b\u7684\u9ed1\u8272\u5340\u57df\u7684\u710a\u818f\u7a7a\u6d1e\uff0c\u662f\u88ab\u56f0\u7684\u52a9\u710a\u5291\u593e\u96dc\u7269\uff0c\u6703\u964d\u4f4e\u71b1\u50b3\u5c0e\uff0c\u5c0e\u81f4\u5143\u4ef6\u5931\u6548\u3002<\/figcaption><\/figure>\n<\/div>\n\n\n<p>\u7a7a\u6d1e\u5f62\u6210\u4e26\u975e\u96a8\u6a5f\u3002\u9019\u662f\u710a\u6599\u5982\u4f55\u6fd5\u6f64\u8868\u9762\u4ee5\u53ca\u52a9\u710a\u5291\u5982\u4f55\u5728\u56de\u6d41\u7684\u77ed\u66ab\u6642\u9593\u5167\u9038\u51fa\u7684\u76f4\u63a5\u7d50\u679c\u2014\u2014\u9019\u5169\u8005\u90fd\u7531\u8868\u9762\u8655\u7406\u63a7\u5236\u3002<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"the-surface-finish-divide-planarity-as-the-hidden-variable\">\u8868\u9762\u6027\u72c0\u5206\u9694\uff1a\u5e73\u6574\u5ea6\u4f5c\u70ba\u96b1\u85cf\u7684\u8b8a\u6578<\/h2>\n\n\n<p>ENIG\u8207HASL\u7684\u95dc\u9375\u5dee\u7570\u4e0d\u50c5\u5728\u65bc\u6750\u6599\u79d1\u5b78\u7684\u5fae\u5999\u4e4b\u8655\uff0c\u800c\u5728\u65bc\u8868\u9762\u5e7e\u4f55\u5f62\u72c0\u3002HASL\u7522\u751f\u4e00\u500b\u6247\u5f62\u3001\u51f9\u51f8\u4e0d\u5e73\u4e14\u539a\u5ea6\u9ad8\u5ea6\u8b8a\u7570\u7684\u8868\u9762\u3002ENIG\u5247\u7522\u751f\u4e00\u500b\u7b26\u5408\u3001\u5747\u52fb\u3001\u5e73\u6574\uff0c\u8aa4\u5dee\u5728\u4e9e\u5fae\u7c73\u7bc4\u570d\u5167\u7684\u8868\u9762\u3002\u9019\u7a2e\u5e73\u6574\u5ea6\u662fENIG\u5728QFN\u71b1\u588a\u4e0a\u8868\u73fe\u512a\u8d8a\u7684\u6839\u672c\u539f\u56e0\u3002<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/www.besterpcba.com\/wp-content\/uploads\/2025\/11\/microscopic_comparison_of_hasl_and_enig_surfaces.jpg\" alt=\"\u4e00\u500b\u4e26\u6392\u7684\u986f\u5fae\u93e1\u6bd4\u8f03\u5716\uff0c\u5c55\u793a\u4e0d\u5e73\u6574\u3001\u6ce2\u6d6a\u72c0\u7684HASL\u8868\u9762\u8207\u5b8c\u5168\u5e73\u5766\u7684ENIG\u8868\u9762\u3002\" title=\"HASL\u8207ENIG\u8868\u9762\u5e73\u6574\u5ea6\u7684\u986f\u5fae\u6bd4\u8f03\"\/><figcaption class=\"wp-element-caption\">HASL\u7684\u6247\u5f62\u7d50\u69cb\uff08\u5de6\uff09\u6703\u56f0\u4f4f\u52a9\u710a\u5291\uff0c\u800cENIG\u7684\u5e73\u6574\u7d50\u69cb\uff08\u53f3\uff09\u5247\u80fd\u8b93\u52a9\u710a\u5291\u9038\u51fa\uff0c\u9632\u6b62\u7a7a\u6d1e\u7522\u751f\u3002<\/figcaption><\/figure>\n<\/div>\n\n\n<p>\u71b1\u98a8\u710a\u932b\uff08HASL\uff09\u662f\u901a\u904e\u5c07PCB\u6d78\u5165\u7194\u878d\u7684\u710a\u6599\u4e2d\uff0c\u4e26\u7528\u71b1\u98a8\u5200\u5439\u6389\u591a\u9918\u7684\u710a\u6599\u4f86\u9032\u884c\u7684\u3002\u7d50\u679c\u5f62\u6210\u4e00\u5c64\u8ddf\u96a8\u9285\u5e95\u7684\u5857\u5c64\uff0c\u4f46\u5177\u6709\u986f\u8457\u7684\u5730\u5f62\u8b8a\u5316\u3002\u539a\u5ea6\u53ef\u57281\u523040\u5fae\u7c73\u4e4b\u9593\uff0c\u8868\u9762\u5177\u6709\u7531\u7a7a\u6c23\u6574\u5e73\u9020\u6210\u7684\u6ce2\u6d6a\u7d0b\u7406\u3002\u5728\u5c0f\u710a\u9ede\u4e0a\uff0c\u9019\u7a2e\u4e0d\u5e73\u6574\u901a\u5e38\u7121\u50b7\u5927\u96c5\u3002\u800c\u5728\u5927\u578b\u71b1\u588a\u4e0a\uff0c\u6247\u5f62\u7684\u5730\u5f62\u6703\u5f62\u6210\u9ad8\u5cf0\u548c\u8c37\u5730\uff0c\u7194\u878d\u710a\u6599\u96e3\u4ee5\u6e17\u900f\uff0c\u52a9\u710a\u5291\u6c23\u9ad4\u4e5f\u7121\u660e\u78ba\u7684\u9003\u9038\u8def\u5f91\u3002\u8868\u9762\u672c\u8eab\u6210\u70ba\u4e00\u9053\u5c4f\u969c\uff0c\u5c07\u52a9\u710a\u5291\u56f0\u5728\u4f4e\u6d3c\u5340\u57df\uff0c\u96a8\u8457\u710a\u6599\u5728\u9ad8\u9ede\u56fa\u5316\uff0c\u9019\u4e9b\u56f0\u4f4f\u7684\u5340\u57df\u5c31\u8b8a\u6210\u7a7a\u6d1e\u3002<\/p>\n\n\n\n<p>ENIG\uff08\u7121\u96fb\u934d\u93b3\u6d78\u91d1\uff09\u662f\u4e00\u7a2e\u96fb\u934d\u5de5\u85dd\u3002\u5728\u9285\u8868\u9762\u5316\u5b78\u6c89\u7a4d\u4e00\u5c64\u8584\u8584\u7684\u93b3\uff0c\u63a5\u8457\u5feb\u901f\u934d\u4e0a\u4e00\u5c64\u91d1\u3002\u9019\u500b\u904e\u7a0b\u672c\u8cea\u4e0a\u662f\u7b26\u5408\u5b9a\u7fa9\u7684\uff0c\u80fd\u4ee5\u8fd1\u4e4e\u5b8c\u7f8e\u7684\u5fe0\u5be6\u5ea6\u8ffd\u8e64\u9285\u7684\u8868\u9762\uff0c\u540c\u6642\u53ea\u589e\u52a03\u52305\u5fae\u7c73\u7684\u93b3\u548c\u4e0d\u5230\u4e00\u5fae\u7c73\u7684\u91d1\u3002\u7531\u6b64\u7522\u751f\u7684\u8868\u9762\u4e0d\u50c5\u5149\u6ed1\uff0c\u9084\u5177\u6709\u53ef\u9810\u6e2c\u7684\u5e73\u6574\u6027\u3002\u6c92\u6709\u6247\u5f62\u3001\u6c92\u6709\u539a\u5ea6\u68af\u5ea6\uff0c\u4e5f\u6c92\u6709\u710a\u6599\u6d41\u52d5\u7684\u5730\u5f62\u969c\u7919\u3002<\/p>\n\n\n\n<p>\u9019\u7a2e\u5e73\u6574\u5ea6\u5177\u6709\u76f4\u63a5\u7684\u6a5f\u68b0\u5f8c\u679c\u3002\u5728\u56de\u710a\u904e\u7a0b\u4e2d\uff0c\u71d2\u878d\u7684\u932b\u818f\u5728\u5e73\u6574\u7684ENIG\u8868\u9762\u4e0a\u5448\u653e\u5c04\u72c0\u548c\u5747\u52fb\u6fd5\u6f64\u3002\u7531\u65bc\u52a9\u710a\u5291\u8f03\u8f15\uff0c\u6703\u88ab\u63a8\u5411\u710a\u76e4\u908a\u7de3\uff0c\u8b93\u5176\u80fd\u81ea\u7531\u63ee\u767c\u3002\u932b\u8207\u93b3\u5b8c\u5168\u63a5\u89f8\uff0c\u6c92\u6709\u52a9\u710a\u5291\u88ab\u56f0\u4f4f\u7684\u7e2b\u9699\u3002\u76f8\u540c\u7684\u932b\u818f\u5728HASL\u8868\u9762\u4e0a\uff0c\u5247\u6703\u9047\u5230\u8907\u96dc\u7684\u666f\u89c0\uff0c\u52a9\u710a\u5291\u5728\u51f9\u8c37\u4e2d\u88ab\u56f0\uff0c\u7121\u6cd5\u9038\u51fa\u3002\u5dee\u7570\u662f\u53ef\u6e2c\u91cf\u7684\uff1aENIG\u7684\u71b1\u588a\u5e38\u986f\u793a\u7a7a\u6d1e\u767e\u5206\u6bd4\u4f4e\u65bc5%\uff0c\u800c\u540c\u4e00\u7d44\u88dd\u7684HASL\u710a\u76e4\u5247\u5e38\u8d85\u904e20%\u81f330%\u3002<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"how-hasls-thickness-variability-compounds-voiding\">HASL\u539a\u5ea6\u8b8a\u7570\u6027\u9020\u6210\u7684\u7a7a\u6d1e\u589e\u52a0<\/h3>\n\n\n<p>\u7d30\u9593\u8ddd\u4f48\u5c40\u4f7f\u5f97HASL\u7684\u4e0d\u5e73\u6574\u554f\u984c\u66f4\u52a0\u56b4\u91cd\u3002\u7576\u8a0a\u865f\u710a\u76e4\u5f7c\u6b64\u63a5\u8fd1\u6642\uff0c\u710a\u6a4b\u7684\u98a8\u96aa\u6703\u589e\u52a0\u3002\u70ba\u4e86\u7de9\u89e3\u9019\u500b\u554f\u984c\uff0c\u5de5\u7a0b\u5e2b\u901a\u5e38\u6703\u6e1b\u5c11\u6a21\u677f\u539a\u5ea6\u6216\u7e2e\u5c0f\u958b\u5b54\u5927\u5c0f\u4ee5\u6c89\u7a4d\u8f03\u5c11\u7684\u932b\u818f\u3002\u5c0d\u65bc\u5c0f\u8a0a\u865f\u710a\u76e4\u4f86\u8aaa\uff0c\u9019\u662f\u4e00\u500b\u53ef\u63a7\u7684\u6b0a\u8861\uff0c\u4f46\u5982\u679c\u6574\u500b\u677f\u90fd\u4f7f\u7528\u76f8\u540c\u7684\u6a21\u677f\uff0c\u5247\u6703\u4f7f\u71b1\u588a\u8b8a\u5f97\u8ca7\u4e4f\u3002<\/p>\n\n\n\n<p>\u5728HASL\u5df2\u7d93\u4e0d\u5747\u52fb\u7684\u8868\u9762\u4e0a\uff0c\u8f03\u8584\u7684\u932b\u818f\u6c89\u7a4d\u6703\u52a0\u5287\u6fd5\u6f64\u4e0d\u5b8c\u5168\u7684\u60c5\u6cc1\u3002\u53ef\u4f9b\u6d41\u5165\u6247\u5f62\u62d3\u64b2\u51f9\u8c37\u7684\u7194\u878d\u932b\u8f03\u5c11\uff0c\u589e\u52a0\u52a9\u710a\u5291\u88ab\u56f0\u7684\u6982\u7387\u3002\u5176\u7d50\u679c\u662f\u5728\u7d30\u9593\u8ddd\u677f\u4e0a\u4f7f\u7528HASL\u6642\uff0c\u7a7a\u6d1e\u7387\u8f03\u9ad8\u2500\u2500\u9019\u6b63\u662f\u71b1\u6027\u80fd\u6700\u70ba\u95dc\u9375\u7684\u677f\u5b50\u3002ENIG\u7684\u5e73\u6574\u8868\u9762\u6d88\u9664\u4e86\u9019\u4e00\u5fa9\u5408\u6548\u61c9\u3002\u5b83\u7684\u5747\u52fb\u62d3\u64b2\u5373\u4f7f\u5728\u51cf\u5c11\u932b\u818f\u91cf\u6642\u4e5f\u80fd\u5b9e\u73b0\u5b8c\u5168\u6fd5\u6f64\uff0c\u4f7f\u6a21\u677f\u8a2d\u8a08\u4e0d\u518d\u662f\u4e00\u7a2e\u6b0a\u8861\u3002<\/p>\n\n\n<h2 class=\"wp-block-heading\" 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