{"id":9901,"date":"2025-11-04T09:14:42","date_gmt":"2025-11-04T09:14:42","guid":{"rendered":"https:\/\/www.besterpcba.com\/?p=9901"},"modified":"2025-11-05T06:04:16","modified_gmt":"2025-11-05T06:04:16","slug":"dfm-mixed-qfn-bga-layouts","status":"publish","type":"post","link":"https:\/\/www.besterpcba.com\/zh_hk\/dfm-%e6%b7%b7%e5%90%88-qfn-bga-%e4%bd%88%e5%b1%80\/","title":{"rendered":"\u9810\u9632\u6df7\u5408 QFN \u8207 Micro-BGA \u4f48\u5c40\u7684\u8fd4\u56de\u88fd\u7a0b\u7684 DFM \u653f\u7b56"},"content":{"rendered":"<p>\u96fb\u8def\u677f\u8fd4\u5de5\u6210\u672c\u9060\u8d85\u904e\u5831\u5ee2\u9762\u677f\u8207\u5ef6\u8aa4\u7684\u6642\u9593\u3002\u5c0d\u65bc\u540c\u6642\u4f7f\u7528Quad Flat No-lead (QFN) \u548c\u5fae\u7403\u9663\u5217\u5c01\u88dd\uff08micro-Ball Grid Array, BGA\uff09\u7684\u7522\u54c1\uff0c\u9996\u6b21\u88fd\u9020\u7522\u751f\u7684\u7522\u91cf\u659c\u5761\u6bd4\u5927\u591a\u6578\u8a2d\u8a08\u5718\u968a\u9810\u6599\u4f86\u5f97\u66f4\u70ba\u9661\u5ced\u3002\u9019\u5169\u500b\u5c01\u88dd\u7cfb\u5217\u5728\u88fd\u9020\u7684\u5e7e\u4e4e\u6bcf\u500b\u74b0\u7bc0\u90fd\u63d0\u51fa\u5f7c\u6b64\u77db\u76fe\u7684\u9700\u6c42\uff0c\u5f9e\u9ede\u818f\u5370\u5237\u548c\u96f6\u4ef6\u653e\u7f6e\u5230\u518d\u56de\u6d41\u6aa2\u67e5\u3002\u4e00\u500b\u70baQFN\u5927\u5c3a\u5bf8\u71b1\u588a\u512a\u5316\u7684\u6a21\u677f\u5b54\u5f91\u6703\u8b93\u5faeBGA\u7684\u7d30\u8ddd\u7403\u710a\u6599\u6df9\u6c92\u3002\u6a19\u6e96\u7d44\u88dd\u6240\u9700\u7684\u8def\u8ecc\u82e5\u7f3a\u4e4f\u525b\u6027\uff0c\u7576\u539a\u6a21\u677f\u6a6b\u8de8\u5169\u7a2e\u5c01\u88dd\u6642\u6703\u51fa\u73fe\u554f\u984c\u5c0e\u81f4\u88dd\u914d\u4e0d\u826f\u3002<\/p>\n\n\n\n<p>\u9019\u7a2e\u885d\u7a81\u6839\u6e90\u65bc\u5c01\u88dd\u672c\u8eab\u3002QFN \u5c0d\u55ae\u4e00\u5927\u578b\u71b1\u588a\uff08\u5e38\u908a\u9577 5mm \u6216\u4ee5\u4e0a\uff09\u9700\u8981\u9ad8\u818f\u91cf\uff0c\u540c\u6642\u4e5f\u8981\u6c42\u5728\u5468\u908a\u588a\u4e0a\u7cbe\u78ba\u6c89\u7a4d\uff0c\u9593\u8ddd\u53ef\u4f4e\u81f3 0.4mm\u3002\u800c\u5faeBGA\u5247\u5c07\u6578\u767e\u500b\u710a\u9322\u5206\u6563\u65bc\u5f88\u5c0f\u7684\u8db3\u8de1\u4e2d\uff0c\u9593\u8ddd\u7d04 0.5mm \u6216\u66f4\u7d30\uff0c\u5373\u4f7f\u662f\u5fae\u5c0f\u7684\u5b9a\u4f4d\u8aa4\u5dee\u4e5f\u6703\u9020\u6210\u958b\u8def\u6216\u77ed\u8def\u3002\u7576\u5169\u8005\u5171\u4eab\u4e00\u500b\u6a21\u677f\u548c\u653e\u7f6e\u6b21\u6578\u6642\uff0c\u5e03\u5c40\u5fc5\u9808\u901a\u904e\u6709\u610f\u751a\u81f3\u53cd\u76f4\u89ba\u7684DFM\u4f86\u8abf\u548c\u9019\u4e9b\u9700\u6c42\u3002\u5927\u591a\u6578\u53ef\u907f\u514d\u7684\u9996\u6b21\u88fd\u9020\u5931\u6557\u8ffd\u6eaf\u5230\u4e94\u500b\u6c7a\u7b56\u9ede\uff1a\u818f\u5b54\u8abf\u6574\u3001via-in-pad\u57f7\u884c\u3001\u5e95\u586b\u7a7a\u9699\u898f\u5283\u3001\u96fb\u8def\u677f\u9435\u8ecc\u5c3a\u5bf8\u8207\u57fa\u6e96\u9ede\u653e\u7f6e\u3002<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"why-mixedpackage-layouts-hit-the-firstbuild-yield-cliff\">\u70ba\u4f55\u6df7\u5408\u5305\u88dd\u4f48\u5c40\u6703\u9047\u5230\u7b2c\u4e00\u6b21\u751f\u7522\u826f\u7387\u7684\u5ced\u58c1<\/h2>\n\n\n<p>QFN \u7684\u66b4\u9732\u6563\u71b1\u588a\u662f\u4e00\u500b\u60e1\u540d\u662d\u5f70\u7684\u7d44\u88dd\u6311\u6230\u3002\u9019\u500b\u6563\u71b1\u588a\u53ef\u80fd\u4f54\u64da\u5c01\u88dd\u5916\u5ed3\u7684 40% \u5230 60%\uff0c\u4e26\u4e14\u9700\u8981\u5805\u56fa\u7684\u710a\u63a5\u4f86\u78ba\u4fdd\u71b1\u548c\u96fb\u6027\u80fd\u3002\u9019\u610f\u5473\u8457\u8db3\u5920\u7684\u710a\u932b\u9ad4\u7a4d\u81f3\u95dc\u91cd\u8981\uff0c\u4f46\u710a\u818f\u5fc5\u9808\u91cd\u65b0\u56de\u6d41\uff0c\u4e14\u4e0d\u80fd\u6355\u6349\u5230\u7a7a\u6d1e\u6216\u5c0e\u81f4\u5c01\u88dd\u6f02\u6d6e\u3002\u5728\u9019\u500b\u6563\u71b1\u588a\u5468\u570d\uff0c\u7d30\u8ddd\u96e2\u908a\u7de3\u5f15\u8173\u8981\u6c42\u7cbe\u78ba\u7684\u710a\u818f\u6c89\u7a4d\uff0c\u98a8\u96aa\u6700\u5c0f\uff0c\u4e0d\u6613\u584c\u9677\u6216\u6a4b\u63a5\u3002\u8a72\u5c01\u88dd\u5728\u4e00\u500b\u5916\u5f62\u4e2d\u5be6\u969b\u4e0a\u662f\u5169\u500b\u4e0d\u540c\u7684\u7d44\u88dd\u554f\u984c\u3002<\/p>\n\n\n\n<p>\u5faeBGA\u5e36\u4f86\u4e0d\u540c\u7684\u9650\u5236\u3002\u6709\u9810\u5148\u710a\u63a5\u7684\u710a\u7403\uff0c\u8b8a\u6578\u5f9e\u9ede\u818f\u8f49\u8b8a\u70ba\u653e\u7f6e\u7cbe\u5ea6\u30020.5mm\u9593\u8ddd\u7684BGA\u50c5\u5141\u8a310.1mm\u7684\u8aa4\u5dee\uff0c\u5426\u5247\u710a\u7403\u6703\u504f\u96e2\u76ee\u6a19\u3002\u5c0f\u588a\uff0c\u901a\u5e38\u50c50.25\u52300.3mm\u76f4\u5f91\uff0c\u4e5f\u9700\u8981\u540c\u6a23\u5c0f\u4e14\u7cbe\u78ba\u7684\u818f\u91cf\u6c89\u7a4d\u3002\u818f\u592a\u591a\u6703\u5f15\u8d77\u6a4b\u63a5\uff1b\u592a\u5c11\u5247\u6703\u5c0e\u81f4\u63a5\u982d\u8106\u5f31\u6216\u958b\u8def\u3002\u8aa4\u5dee\u7bc4\u570d\u975e\u5e38\u6709\u9650\uff0c\u7d04\u70ba\u76ee\u6a19\u9ad4\u7a4d\u7684 \u00b110%\u3002<\/p>\n\n\n\n<p>\u7576\u9019\u5169\u7a2e\u5c01\u88dd\u5171\u5b58\u6642\uff0c\u6eff\u8db3QFN\u71b1\u588a\u7684\u539a\u6a21\u677f\u6703\u5728\u5faeBGA\u588a\u4e0a\u904e\u91cf\u6c89\u7a4d\u818f\u3002\u70baBGA\u512a\u5316\u7684\u8584\u6a21\u677f\u5247\u6703\u4fc3\u4f7fQFN\u710a\u818f\u4e0d\u8db3\u3002\u5ffd\u7565\u9019\u4e9b\u885d\u7a81\u6703\u4f7f\u7522\u91cf\u76f4\u7dda\u6ed1\u843d\u3002\u5728QFN\u71b1\u588a\u4e0a\u7684\u710a\u9ede\u51fa\u73fe\u8d85\u904e25%\u7684\u7a7a\u6d1e\uff0c\u9055\u53cd IPC-A-610 \u7b2c3\u7b49\u7d1a\u6a19\u6e96\u3002\u5faeBGA\u9663\u5217\u6703\u5728\u5167\u90e8\u6392\u51fa\u6a4b\u63a5\u6216\u5728\u89d2\u90e8\u7403\u51fa\u73fe\u958b\u8def\u3002\u9019\u4e9b\u4e26\u975e\u96a8\u6a5f\u7f3a\u9677\uff0c\u800c\u662f\u6df1\u690d\u65bc\u53ef\u9810\u6e2c\u7684DFM\u5931\u8aa4\u4e2d\u7684\u78ba\u5b9a\u6027\u5931\u6548\u3002<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"paste-aperture-tuning-balancing-two-worlds\">\u8cbc\u7247\u5149\u5708\u8abf\u6574\uff1a\u5e73\u8861\u96d9\u91cd\u4e16\u754c<\/h2>\n\n\n<p>\u710a\u818f\u7528\u91cf\u7531\u6a21\u677f\u5b54\u5f91\u8a2d\u8a08\u63a7\u5236\uff0c\u76f4\u63a5\u5f71\u97ff\u710a\u9ede\u54c1\u8cea\u3002\u7528\u91cf\u5fc5\u9808\u8db3\u5920\u5f62\u6210\u53ef\u9760\u7684\u9023\u63a5\uff0c\u4e26\u80fd\u5f9e\u6a21\u677f\u9806\u5229\u91cb\u653e\u3002\u5c0d\u65bc\u6df7\u5408\u5c01\u88dd\u677f\u4f86\u8aaa\uff0c\u7cbe\u78ba\u8abf\u6574\u5b54\u5f91\u5c3a\u5bf8\u548c\u6a21\u677f\u539a\u5ea6\uff0c\u624d\u80fd\u540c\u6642\u9054\u5230\u96d9\u91cd\u76ee\u6a19\u3002<\/p>\n\n\n\n<p><strong>\u9762\u7a4d\u6bd4\u6c7a\u5b9a\u818f\u6599\u91cb\u653e\u6548\u679c\u3002<\/strong> \u5b54\u5f91\u9762\u7a4d\u8207\u5176\u58c1\u9762\u7a4d\u4e4b\u6bd4\uff0c\u5fc5\u9808\u8d85\u904e0.66\uff0c\u624d\u80fd\u78ba\u4fdd\u818f\u6599\u53ef\u9760\u91cb\u653e\u3002\u4f4e\u65bc\u6b64\u503c\uff0c\u818f\u6599\u6703\u9ecf\u5728\u6a21\u677f\u58c1\u4e0a\uff0c\u5c0e\u81f4\u6c89\u7a4d\u4e0d\u4e7e\u6de8\u3002\u57280.25mm\u76f4\u5f91\u5faeBGA\u588a\u4e0a\u4f7f\u75280.125mm\u539a\u6a21\u677f\uff0c\u5176\u9762\u7a4d\u6bd4\u7d04\u70ba0.5\uff0c\u9060\u4f4e\u65bc\u9580\u6abb\u3002\u9019\u8feb\u4f7f\u4e8c\u9078\u4e00\uff1a\u7e2e\u5c0f\u6a21\u677f\u539a\u5ea6\u4ee5\u6539\u5584\u5c0f\u588a\u7684\u6bd4\u4f8b\uff0c\u6216\u63a5\u53d7\u8f03\u5927\u5b54\u5f91\uff0c\u5192\u904e\u91cf\u6c89\u7a4d\u818f\u6599\u7684\u98a8\u96aa\u3002<\/p>\n\n\n\n<p><strong>\u6a21\u677f\u539a\u5ea6\u662f\u4e00\u7a2e\u5fc5\u8981\u7684\u6298\u8877\u65b9\u6848\u3002<\/strong> QFN \u71b1\u588a\u66f4\u9069\u5408\u4f7f\u7528\u8f03\u539a\u7684\u6a21\u677f\uff080.150mm\u6216\u4ee5\u4e0a\uff09\uff0c\u800c\u5faeBGA\u5247\u5728\u8f03\u8584\u7684\u6a21\u677f\uff080.100\u52300.125mm\uff09\u4e2d\u8868\u73fe\u8f03\u4f73\u3002\u7576\u5169\u8005\u5171\u7528\u4e00\u500b\u6a21\u677f\u6642\uff0c\u5fc5\u9808\u4ee5\u8f03\u53d7\u9650\u5236\u7684\u90e8\u4ef6\u70ba\u512a\u5148\uff0c\u901a\u5e38\u9078\u64c70.125mm\u7684\u539a\u5ea6\uff0c\u4e26\u901a\u904e\u7e2e\u5c0fQFN\u71b1\u588a\u7684\u5b54\u5f91\u9762\u7a4d\u4f86\u88dc\u511f\u3002\u96d6\u7136\u9019\u6703\u5728\u71b1\u588a\u4e0a\u5f62\u6210\u8f03\u5c11\u7684\u818f\u6599\uff0c\u4f46\u80fd\u4fdd\u8b49BGA\u7684\u826f\u597d\u6027\u80fd\u3002\u5c0d\u65bc\u7279\u5225\u91cd\u8996QFN\u71b1\u6027\u80fd\u7684\u8a2d\u8a08\uff0c\u53ef\u80fd\u9700\u63a1\u7528\u6210\u672c\u8f03\u9ad8\u7684\u96d9\u91cd\u6253\u5370\u6d41\u7a0b\uff0c\u5373\u4f7f\u7528\u5169\u500b\u6a21\u677f\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\/qfn_thermal_pad_aperture_design.jpg\" alt=\"\u6bd4\u8f03\u55ae\u4e00\u5927\u578b\u710a\u818f\u958b\u53e3\u8207\u5283\u5206\u70ba\u8f03\u5c0f\u958b\u53e3\u7db2\u683c\u7684QFN\u4e2d\u592e\u71b1\u588a\u7684\u793a\u610f\u5716\u3002\" title=\"\u70baQFN\u71b1\u588a\u8a2d\u8a08\u7684\u5206\u6bb5\u710a\u818f\u5b54\u5f91\"\/><figcaption class=\"wp-element-caption\">\u5206\u6bb5\u5f0f\u5149\u5708\uff08\u53f3\u5074\uff09\u6539\u5584\u4e86\u710a\u818f\u7684\u91cb\u653e\u4e26\u5141\u8a31\u52a9\u710a\u5291\u9038\u51fa\uff0c\u6e1b\u5c11\u4e86\u5728QFN\u5c01\u88dd\u4e0b\u7684\u7a7a\u6d1e\u3002<\/figcaption><\/figure>\n<\/div>\n\n\n<p><strong>\u71b1\u588a\u5b54\u9700\u8981\u9032\u884c\u6709\u610f\u7684\u7e2e\u5c0f\u3002<\/strong> \u4e00\u822c\u7684\u6307\u5c0e\u65b9\u91dd\u662f\u5c07QFN\u71b1\u588a\u5b54\u9762\u7a4d\u7e2e\u5c0f\u5230\u5be6\u969b\u71b1\u588a\u768450-80\uff05\u3002\u9019\u53ef\u4ee5\u9632\u6b62\u5c01\u88dd\u5728\u56de\u710a\u904e\u7a0b\u4e2d\u6f02\u6d6e\u5728\u904e\u591a\u7684\u710a\u6599\u4e0a\uff0c\u4e26\u5141\u8a31\u4f7f\u7528\u5206\u6bb5\u5f0f\u5149\u5708\u3002\u8f03\u5c0f\u958b\u53e3\u7684\u7db2\u683c\uff0c\u800c\u975e\u4e00\u500b\u5927\u7a97\uff0c\u80fd\u6539\u5584\u818f\u6599\u91cb\u653e\u4e26\u901a\u904e\u63d0\u4f9b\u6392\u6c23\u901a\u9053\u4f86\u6e1b\u5c11\u7a7a\u6d1e\u3002\u4e00\u500b\u5178\u578b\u76845mm\u71b1\u588a\u53ef\u80fd\u63a1\u75283\u00d73\u683c\u5b50\uff0c\u6bcf\u683c1.0mm\u7684\u958b\u53e3\uff0c\u65e2\u80fd\u63d0\u4f9b\u8db3\u5920\u7684\u710a\u6599\u9ad4\u7a4d\uff0c\u53c8\u80fd\u7dad\u6301\u5de5\u85dd\u63a7\u5236\u3002<\/p>\n\n\n\n<p>\u6211\u5011\u5efa\u8b70\u512a\u5148\u8003\u616e\u5faeBGA\u3002\u9078\u64c7\u8f03\u8584\u7684\u6a21\u677f\u4ee5\u63d0\u5347\u5370\u5237\u89e3\u6790\u5ea6\uff0c\u7136\u5f8c\u901a\u904e\u5b54\u5167\u710a\u76e4\u8a2d\u8a08\u548c\u7d30\u5fc3\u7684\u5149\u5708\u5206\u6bb5\u4f86\u63d0\u5347QFN\u71b1\u6027\u80fd\u3002\u9019\u7a2e\u65b9\u6cd5\u6700\u5c0f\u5316\u4e86BGA\u6a4b\u63a5\u2014\u2014\u6700\u96e3\u4fee\u5fa9\u7684\u7f3a\u9677\u2014\u2014\u540c\u6642\u63a5\u53d7\u6709\u9650\u7684QFN\u71b1\u588a\u710a\u6599\u91cf\u6e1b\u5c11\u3002<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"viainpad-nonnegotiable-rules-and-practical-limits\">Via-in-Pad\uff1a\u4e0d\u53ef\u8ac7\u5224\u7684\u898f\u5247\u8207\u5be6\u7528\u9650\u5236<\/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\/via_in_pad_pcb_cross_section.jpg\" alt=\"\u986f\u793a\u4e00\u500bPCB\u7684\u8a73\u7d30\u622a\u9762\uff0c\u5c55\u793a\u4e00\u500b\u5b8c\u5168\u7528\u9285\u586b\u5145\u7684\u901a\u5b54\u6876\u8eab\u548c\u63a5\u5730\u5c55\u5e73\uff0c\u70ba\u710a\u63a5\u63d0\u4f9b\u53ef\u9760\u7684\u8868\u9762\u3002\" title=\"\u586b\u5145\u4e14\u5e73\u5766\u5316\u7684\u901a\u5b54\u622a\u9762\"\/><figcaption class=\"wp-element-caption\">\u9285\u586b\u5145\u4e14\u5e73\u6574\u7684\u5b54\u5167\u710a\u76e4\u662f\u6700\u53ef\u9760\u7684\u65b9\u6cd5\uff0c\u80fd\u9632\u6b62\u710a\u6599\u6ef2\u900f\u4e26\u78ba\u4fdd\u826f\u597d\u7684\u9023\u63a5\u3002<\/figcaption><\/figure>\n<\/div>\n\n\n<p>\u5728\u5143\u4ef6\u710a\u76e4\u5167\u7684\u901a\u5b54\uff0c\u5e38\u7528\u65bcQFN\u71b1\u7ba1\u7406\u548c\u5faeBGA\u7684\u6392\u6c23\u8def\u7531\uff0c\u5982\u679c\u8655\u7406\u4e0d\u7576\uff0c\u9019\u662f\u4e3b\u8981\u7684\u53ef\u9760\u6027\u98a8\u96aa\u3002\u5728\u56de\u710a\u904e\u7a0b\u4e2d\uff0c\u5b54\u58c1\u53ef\u80fd\u6703\u5c07\u710a\u6599\u5438\u8d70\uff0c\u540c\u6642\uff0c\u7a7a\u6c23\u548c\u52a9\u710a\u5291\u7684\u6c23\u9ad4\u53ef\u80fd\u6703\u9038\u51fa\uff0c\u5f62\u6210\u7a7a\u6d1e\u3002\u9019\u5169\u7a2e\u6a5f\u5236\u90fd\u6703\u964d\u4f4e\u710a\u9ede\u7684\u53ef\u9760\u6027\u3002<\/p>\n\n\n\n<p><strong>\u9285\u586b\u5145\u4e14\u5e73\u6574\u7684\u5b54\u8655\u7406\u662f\u6700\u53ef\u9760\u7684\u89e3\u6c7a\u65b9\u6848\u3002<\/strong> 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id=\"underfill-keepout-zones-planning-for-process-reality\">\u5e95\u586b\u7a7a\u9699\u7981\u5165\u5340\uff1a\u70ba\u5de5\u85dd\u73fe\u5be6\u505a\u898f\u5283<\/h2>\n\n\n<p>\u586b\u5145\u5291\u662f\u4e00\u7a2e\u5728BGA\u5468\u570d\u5206\u914d\u7684\u6db2\u614b\u74b0\u6c27\u6a39\u8102\uff0c\u80fd\u63d0\u9ad8\u6a5f\u68b0\u53ef\u9760\u6027\uff0c\u901a\u904e\u5206\u6563\u61c9\u529b\u5230\u710a\u63a5\u9ede\u3002\u96d6\u7136\u4e0d\u4e00\u5b9a\u7e3d\u662f\u5fc5\u8981\uff0c\u4f46\u5728\u7d93\u6b77\u71b1\u5faa\u74b0\u6216\u9707\u52d5\u7684\u61c9\u7528\u4e2d\u662f\u5e38\u898b\u505a\u6cd5\u3002\u82e5\u6709\u8981\u6c42\uff0c\u677f\u5b50\u5e03\u5c40\u5fc5\u9808\u80fd\u914d\u5408\u5206\u914d\u904e\u7a0b\u3002<\/p>\n\n\n\n<p>\u70ba\u4e86\u5747\u52fb\u7684\u6d41\u52d5\uff0c\u5206\u914d\u91dd\u9700\u8981\u8ddd\u96e2\u5c01\u88dd\u908a\u7de31\u81f32mm\u7684\u7a7a\u9699\u3002\u653e\u7f6e\u904e\u65bc\u9760\u8fd1\u7684\u5143\u4ef6\u6703\u963b\u64cb\u91dd\u6216\u5f62\u6210\u969c\u7919\uff0c\u5c0e\u81f4\u7a7a\u6d1e\u548c\u4e0d\u5b8c\u6574\u7684\u8986\u84cb\u3002\u9019\u500b\u7559\u7a7a\u5340\u5fc5\u9808\u5728\u5e03\u5c40\u521d\u671f\u78ba\u5b9a\uff0c\u56e0\u70ba\u4e4b\u5f8c\u79fb\u52d5\u5143\u4ef6\u5e38\u5e38\u9700\u8981\u91cd\u505a\u3002<\/p>\n\n\n\n<p>\u6b64\u5340\u57df\u5167\u5143\u4ef6\u9ad8\u5ea6\u8207\u5074\u5411\u7a7a\u9699\u4e00\u6a23\u91cd\u8981\u3002\u9ad8\u5143\u4ef6\u6703\u50cf\u58e9\u4e00\u6a23\u963b\u64cb\u586b\u5145\u5291\u6d41\u52d5\u3002\u5e03\u5c40\u4e2d\u61c9\u4fdd\u6301\u4e00\u500b\u6e05\u6670\u3001\u5e73\u6574\u7684\u7a7a\u767d\u5340\u57df\uff0c\u4e14\u4e0d\u8d85\u904eBGA\u7684\u633a\u9ad8\u9ad8\u5ea6\uff08\u901a\u5e38\u70ba0.3\u52300.5mm\uff09\u3002\u5c0d\u65bc\u9810\u671f\u9700\u8981\u8fd4\u5de5\u7684\u8a2d\u8a08\uff0c\u6b64\u7559\u7a7a\u5340\u61c9\u64f4\u5c55\u81f33mm\u6216\u66f4\u5927\uff0c\u4ee5\u4fbf\u62c6\u9664\u5de5\u5177\u9032\u5165\u3002<\/p>\n\n\n<h2 class=\"wp-block-heading\" 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