{"id":10021,"date":"2025-11-24T23:47:01","date_gmt":"2025-11-24T23:47:01","guid":{"rendered":"https:\/\/www.besterpcba.com\/?p=10021"},"modified":"2025-11-24T23:47:01","modified_gmt":"2025-11-24T23:47:01","slug":"designing-reliable-castellations","status":"publish","type":"post","link":"https:\/\/www.besterpcba.com\/zh_hk\/%e8%a8%ad%e8%a8%88%e5%8f%af%e9%9d%a0%e7%9a%84%e5%9f%8e%e7%89%86%e9%bd%92%e7%89%99\/","title":{"rendered":"\u6e05\u6f54\u908a\u7de3\u7684\u529b\u5b78\uff1a\u53ef\u9760\u7684\u9663\u5217\u710a\u9ede\u6307\u5357"},"content":{"rendered":"<p>\u529f\u80fd\u6a21\u7d44\u8207\u5ee2\u68c4\u539f\u578b\u4e4b\u9593\u7684\u5dee\u7570\uff0c\u5e38\u5728\u65bc\u96fb\u8def\u677f\u7684\u5fae\u89c0\u908a\u7de3\u3002\u7576\u4e00\u6279\u5b50\u677f\u5230\u8ca8\u6642\uff0c\u7b2c\u4e00\u500b\u6aa2\u67e5\u6b65\u9a5f\u4e0d\u61c9\u662f\u901a\u5c0e\u6e2c\u8a66\uff0c\u800c\u61c9\u4f7f\u752830\u500d\u653e\u5927\u93e1\u9032\u884c\u8089\u773c\u6aa2\u67e5\u3002\u5982\u679c\u908a\u7de3\u934d\u5c64\u770b\u8d77\u4f86\u50cf\u88ab\u920d\u7378\u54ac\u904e\uff0c\u9019\u584a\u96fb\u8def\u677f\u5df2\u7d93\u53d7\u5230\u7834\u58de\u3002\u5728\u9019\u500b\u80cc\u666f\u4e0b\u7684\u201c\u6bdb\u523a\u201d\u4e0d\u50c5\u50c5\u662f\u5916\u89c0\u554f\u984c\uff0c\u5b83\u662f\u4e00\u500b\u7d50\u69cb\u5371\u96aa\u2014\u2014\u4e00\u584a\u5f9e\u57fa\u677f\u6495\u88c2\u7684\u9285\u7247\uff0c\u7b49\u5f85\u5728\u91cd\u6d41\u710a\u6642\u6a4b\u63a5\u5169\u500b\u710a\u76e4\u6216\u5b8c\u5168\u812b\u843d\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\/pcb-castellation-quality-comparison.jpg\" alt=\"\u5b8f\u89c0\u7167\u7247\u6bd4\u8f03\u4e00\u500b\u88fd\u4f5c\u826f\u597d\u7684PCB\u6a21\u7d44\u8207\u4e00\u500b\u88fd\u4f5c\u4e0d\u4f73\u7684\u6a21\u7d44\u3002\u826f\u597d\u7684\u6a21\u7d44\u5728\u908a\u7de3\u5c55\u793a\u4e7e\u6de8\u7684\u534a\u5713\u5f62\u9285\u588a\uff0c\u800c\u58de\u7684\u5247\u6709\u6495\u88c2\u7684\u92f8\u9f52\u72c0\u9285\u6bdb\u523a\u3002\" title=\"\u826f\u597d\u8207\u4e0d\u826f\u7684PCB\u9472\u908a\u8a2d\u8a08\"\/><figcaption class=\"wp-element-caption\">\u4e7e\u6de8\u7684\u5207\u53e3\uff08\u5de6\uff09\u53ef\u9632\u6b62\u77ed\u8def\uff0c\u800c\u5e36\u6709\u6bdb\u523a\u7684\u6495\u88c2\u908a\uff08\u53f3\uff09\u5247\u53ef\u80fd\u5c0e\u81f4\u6a21\u7d44\u5931\u6548\u3002<\/figcaption><\/figure><\/div>\n\n\n<p>\u9019\u7a2e\u6545\u969c\u6a21\u5f0f\u5f88\u5c11\u6e90\u65bc\u201c\u904b\u6c23\u4e0d\u597d\u201d\u6216\u201c\u677f\u6750\u52a3\u8cea\u201d\u7684\u60c5\u6cc1\u3002\u5e7e\u4e4e\u7e3d\u662f\u5e7e\u4f55\u5f62\u72c0\u548c\u64cd\u4f5c\u6307\u793a\u7684\u5931\u8aa4\u3002\u8a2d\u8a08\u5e2b\u5e38\u5047\u8a2d\u5c07\u904e\u5b54\u653e\u5728\u5176 CAD \u5de5\u5177\u2014\u7121\u8ad6\u662f Altium\u3001KiCad \u9084\u662f Eagle\u2014\u7684\u96fb\u8def\u677f\u8f2a\u5ed3\u4e0a\uff0c\u5c31\u8db3\u4ee5\u7522\u751f\u5713\u89d2\u7a97\u67f5\u3002\u4e8b\u5be6\u4e26\u975e\u5982\u6b64\u3002\u96d6\u7136 CAD \u87a2\u5e55\u986f\u793a\u7684\u534a\u5713\u662f\u5b8c\u7f8e\u7684\uff0c\u4f46\u5de5\u5ee0\u5be6\u969b\u64cd\u4f5c\u4e2d\uff0c\u92fc\u5200\u9ad8\u901f\u65cb\u8f49\uff0c\u5c0d\u525b\u8cbc\u5728\u73bb\u7483\u7e96\u7dad\u4e0a\u7684\u8584\u9285\u7b94\u65bd\u52a0\u4e86\u5de8\u5927\u626d\u529b\u3002\u5982\u679c\u9285\u7b94\u6c92\u6709\u88ab\u6a5f\u68b0\u56fa\u5b9a\uff0c\u6216\u5200\u982d\u4ee5\u932f\u8aa4\u7684\u89d2\u5ea6\u9032\u5165\uff0c\u934d\u5c64\u5c31\u6703\u6495\u88c2\u3002<\/p>\n\n\n\n<p>\u9019\u7a2e\u6495\u88c2\u6703\u5728\u7d44\u88dd\u6642\u5f15\u8d77\u710a\u6599\u6a4b\u63a5\u3002\u5982\u679c\u908a\u7de3\u9f52\u88c2\uff0c\u710a\u818f\u5c31\u50cf\u6709\u5c0e\u7dda\uff0c\u53ef\u4ee5\u6cbf\u8457\u5176\u8d70\u52d5\uff0c\u9023\u63a5\u672c\u61c9\u4fdd\u6301\u9694\u96e2\u7684\u710a\u76e4\u3002\u89e3\u6c7a\u6a5f\u68b0\u5207\u5272\u554f\u984c\uff0c\u4ea6\u5373\u89e3\u6c7a\u96fb\u5b50\u77ed\u8def\u554f\u984c\u3002<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"the-physics-of-the-tear\">\u6495\u88c2\u7684\u7269\u7406\u5b78<\/h2>\n\n\n<p>\u70ba\u4e86\u8a2d\u8a08\u5805\u56fa\u7684\u5713\u89d2\u7a97\u67f5\uff0c\u4f60\u5fc5\u9808\u8996\u89ba\u5316\u5de5\u5177\u8def\u5f91\u3002\u6a19\u6e96\u7684PCB \u92f8\u5200\uff08\u901a\u5e38\u76f4\u5f91\u70ba2.0mm\u62162.4mm\uff09\u7d04\u4ee540,000\u8f49\u6bcf\u5206\u9418\u65cb\u8f49\u3002\u7576\u5b83\u6cbf\u8457\u677f\u908a\u79fb\u52d5\u4ee5\u4f7f\u96fb\u8def\u677f\u9b06\u958b\u6642\uff0c\u5b83\u6703\u9291\u524a\u7d93\u904e\u74b0\u6c27\u6a39\u8102\u3001\u73bb\u7483\u7e96\u7dad\u548c\u9285\u7684\u8907\u5408\u6750\u6599\u3002\u65cb\u8f49\u65b9\u5411\u6975\u5176\u91cd\u8981\u3002<\/p>\n\n\n\n<p>\u5982\u679c\u92f8\u5200\u6cbf\u9806\u6642\u91dd\u65b9\u5411\u65cb\u8f49\uff0c\u4e14\u5de5\u5177\u8def\u5f91\u4f7f\u5207\u5272\u5203\u63a5\u89f8\u5230\u5c64\u58d3\u677f <em>\u4e4b\u524d<\/em> \u9285\u3001\u5e95\u5c64\u6750\u6599\u652f\u6490\u9285\u7b94\u3002\u5200\u5177\u7a7f\u904e\u9285\u6750\uff0c\u4e0eFR-4\u7684\u5805\u5be6\u58c1\u58d8\u76f8\u5c0d\u3002\u5982\u679c\u8def\u5f91\u53cd\u8f49\uff0c\u6216\u5200\u5177\u5f9e\u5b54\u5167\u5074\u5411\u5916\u63a8\u9032\u9032\u5165\u5713\u89d2\u7a97\u67f5\uff0c\u5247\u934d\u5c64\u80cc\u5f8c\u7f3a\u4e4f\u652f\u6490\u3002\u5200\u53e3\u6703\u5361\u5728\u908a\u7de3\u4e26\u62c9\u626f\u3002\u7531\u65bc\u9285\u7b94\u8207FR-4\u7684\u9644\u8457\u529b\u6709\u9650\uff08\u6a19\u6e96\u6750\u6599\u7d04\u70ba1.4 N\/mm\uff09\uff0c\u65cb\u8f49\u626d\u77e9\u5f88\u5bb9\u6613\u8d85\u904e\u9375\u5408\u5f37\u5ea6\u3002\u7d50\u679c\u662f\u710a\u76e4\u88ab\u6490\u8d77\u5728\u98a8\u4e2d\u64fa\u52d5\uff0c\u6216\u5c07\u6bdb\u523a\u58d3\u7e2e\u5230\u96fb\u8def\u677f\u5074\u9762\u3002<\/p>\n\n\n\n<p>\u9019\u7a2e\u7279\u6b8a\u7684\u52a0\u5de5\u65b9\u5f0f\u4e5f\u662f\u70ba\u4ec0\u9ebc\u88fd\u9020\u5de5\u5ee0\u6703\u6536\u53d6\u201c\u5713\u89d2\u7a97\u67f5\u9644\u52a0\u8cbb\u201d\u3002\u4ed6\u5011\u4e26\u975e\u4e82\u6536\u8cbb\uff1b\u800c\u662f\u7d93\u5e38\u57f7\u884c\u4e00\u5957\u5b8c\u5168\u7368\u7acb\u7684 CNC \u7a0b\u5e8f\u3002\u8207\u6301\u7e8c\u7684\u6a19\u6e96\u5316\u8f2a\u5ed3\u5207\u5272\u4e0d\u540c\uff0c\u4ed6\u5011\u5fc5\u9808\u63a1\u7528\u201c\u885d\u5165\u8207\u5207\u5272\u201d\u5e8f\u5217\u6216\u7279\u5b9a\u7684\u9032\u9000\u7b56\u7565\uff0c\u70ba\u6bcf\u500b\u5b54\u6253\u9020\u78ba\u4fdd\u5200\u5177\u59cb\u7d42\u63a8\u52d5\u9285\u7b94\u7684\u5207\u5272\u3002 <em>\u63a8\u5165<\/em> \u96fb\u8def\u677f\uff0c\u975e\u5f9e\u5b83\u4e0a\u9762\u96e2\u958b\u3002\u5982\u679c\u5831\u50f9\u6c92\u6709\u9019\u500b\u9644\u52a0\u8cbb\uff0c\u8acb\u4fdd\u6301\u8b66\u60d5\u3002\u9019\u901a\u5e38\u610f\u5473\u8457\u4ed6\u5011\u6253\u7b97\u57f7\u884c\u6a19\u6e96\u8f2a\u5ed3\u52a0\u5de5\uff0c\u7d50\u679c\u5c07\u662f\u4e00\u5718\u4e82\u8c61\u3002<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"the-anchor-imperative\">\u9328\u5b9a\u5fc5\u8981\u6027<\/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\/castellated-pad-with-anchor-vias.jpg\" alt=\"\u4e00\u500b\u986f\u793aPCB\u5e03\u5c40\u76843D\u6e32\u67d3\u5716\uff0c\u5c55\u793a\u677f\u908a\u4e0a\u7684\u9472\u908a\u588a\u3002\u5169\u500b\u5c0f\u7684\u9328\u9ede\u5b54\u88ab\u653e\u7f6e\u5728\u5207\u5272\u7dda\u5f8c\uff0c\u56fa\u5b9a\u9285\u588a\u65bc\u677f\u5167\u5c64\u3002\" title=\"\u5e36\u6709\u9328\u9ede\u5b54\u7684\u9472\u908a\u588a\u8a2d\u8a08\"\/><figcaption class=\"wp-element-caption\">\u5728\u5207\u5272\u7dda\u5f8c\u65b9\u52a0\u5165\u5c0f\u578b\u9328\u9ede\u901a\u5b54\uff0c\u53ef\u4ee5\u6a5f\u68b0\u9396\u4f4f\u710a\u76e4\uff0c\u9632\u6b62\u5728\u5207\u5272\u6216\u710a\u63a5\u904e\u7a0b\u4e2d\u7ff9\u8d77\u3002<\/figcaption><\/figure><\/div>\n\n\n<p>\u53ea\u4f9d\u8cf4\u9285\u7b94\u7684\u5316\u5b78\u9375\u5408\u662f\u4e00\u500b\u8ced\u535a\uff0c\u5c08\u696d\u5de5\u7a0b\u5e2b\u4e0d\u61c9\u8a72\u9019\u6a23\u505a\u3002\u9285\u8207\u4ecb\u8cea\u4e4b\u9593\u7684\u7c98\u5408\u5c64\u662f\u5806\u758a\u4e2d\u7684\u6700\u5f31\u74b0\u7bc0\u3002\u70ba\u4e86\u9632\u6b62\u710a\u76e4\u7ff9\u8d77\uff0c\u8a2d\u8a08\u5fc5\u9808\u52a0\u5165\u6a5f\u68b0\u9396\u2014\u2014\u5373\u9328\u9ede\u3002<\/p>\n\n\n\n<p>\u6700\u6709\u6548\u7684\u65b9\u6cd5\u662f\u5229\u7528PCB\u672c\u8eab\u7684\u5782\u76f4\u7d50\u69cb\u3002\u5e36\u69fd\u710a\u76e4\u4e0d\u50c5\u50c5\u662f\u9802\u7aef\u548c\u5e95\u90e8\u7684\u9285\u5c64\uff1b\u5b83\u9700\u8981\u7528\u5c08\u7528\u901a\u5b54\u5c07\u5176\u925a\u63a5\u5728\u4e00\u8d77\u3002\u901a\u904e\u5728\u710a\u76e4\u5167\u7de3\u9644\u8fd1\u653e\u7f6e\u4e00\u5230\u5169\u500b\u5c0f\u901a\u5b54\uff080.3mm\u70ba\u6a19\u6e96\u6a5f\u68b0\u947d\u5b54\u5c3a\u5bf8\uff09\u2014\u2014\u6709\u6548\u5730\u653e\u5728\u201c\u5207\u5272\u7dda\u201d\u5f8c\u65b9\u2014\u2014\u4e0a\u4e0b\u5c64\u901a\u904e\u82af\u7247\u88ab\u925a\u63a5\u5728\u4e00\u8d77\u3002\u5373\u4f7f\u96d5\u523b\u5200\u65bd\u52a0\u8db3\u5920\u7684\u529b\u91cf\u5c07\u710a\u76e4\u908a\u7de3\u5c64\u5206\u96e2\uff0c\u6495\u88c2\u4e5f\u4e0d\u6703\u5728\u9019\u4e9b\u9328\u9ede\u901a\u5b54\u8655\u50b3\u64ad\u3002\u9285\u900f\u904e\u6a5f\u68b0\u9396\u5b9a\u5728\u5167\u90e8\u7d50\u69cb\u4e0a\u3002<\/p>\n\n\n\n<p>\u9019\u4e9b\u9328\u9ede\u901a\u5b54\u5177\u6709\u96d9\u91cd\u529f\u80fd\u3002\u5728\u4e8c\u6b21\u56de\u710a\u6642\u2014\u2014\u7576\u6a21\u7d44\u88ab\u710a\u63a5\u5230\u4e3b\u677f\u4e0a\u2014\u2014\u7aef\u908a\u710a\u76e4\u6240\u53d7\u5230\u7684\u71b1\u61c9\u529b\u5f88\u5927\u3002\u5982\u679c\u6c92\u6709\u9328\u9ede\uff0c\u71b1\u81a8\u8139\u4e0d\u5339\u914d\u53ef\u80fd\u5c0e\u81f4\u710a\u76e4\u6f02\u6d6e\u6216\u525d\u96e2\uff0c\u5c24\u5176\u662f\u5728\u9032\u884c\u624b\u5de5\u56de\u710a\u4fee\u5fa9\u6642\u3002\u9328\u9ede\u901a\u5b54\u65e2\u53ef\u4f5c\u70ba\u6563\u71b1\u5668\uff0c\u4e5f\u53ef\u4f5c\u70ba\u925a\u91d8\u3002\u96d6\u7136\u4e00\u4e9b\u8d85\u9ad8\u5bc6\u5ea6\u8a2d\u8a08\u53ef\u80fd\u96e3\u4ee5\u5bb9\u7d0d\u9019\u4e9b\u9328\u9ede\uff0c\u4f46\u7701\u7565\u5b83\u5011\u5c07\u5f15\u767c\u5be6\u969bEOL\u5931\u6548\u3002\u5982\u679c\u710a\u76e4\u7ff9\u8d77\uff0c\u5c31\u7121\u6cd5\u4fee\u5fa9\uff1b\u6a21\u7d44\u5c07\u88ab\u4f5c\u5ee2\u3002<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"surface-finish-as-a-flatness-variable\">\u8868\u9762\u5149\u6f54\u5ea6\u4f5c\u70ba\u5e73\u6574\u8b8a\u6578<\/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\/pcb-surface-finish-enig-vs-hasl.jpg\" alt=\"\u5b8f\u89c0\u7167\u7247\u6bd4\u8f03\u9472\u908aPCB\u908a\u7de3\u4e0a\u9686\u8d77\u3001\u4e0d\u5747\u52fb\u7684HASL\u710a\u6599\u98fe\u9762\u8207\u53e6\u4e00\u500b\u5b8c\u7f8e\u5e73\u6574\u3001\u5149\u6ed1\u7684ENIG\u91d1\u5c6c\u98fe\u9762\u3002\" title=\"ENIG\u8207HASL\u8868\u9762\u5149\u98fe\u5728\u9472\u908a\u4e0a\u7684\u6bd4\u8f03\"\/><figcaption class=\"wp-element-caption\">ENIG finishes (\u53f3) \u63d0\u4f9b\u5e73\u6574\u3001\u53ef\u9760\u7684\u8868\u9762\uff0c\u8207HASL finishes (\u5de6) 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