{"id":13349,"date":"2026-11-05T15:00:00","date_gmt":"2026-11-05T07:00:00","guid":{"rendered":"https:\/\/www.jingpengpcb.com\/?p=13349"},"modified":"2026-10-08T20:16:13","modified_gmt":"2026-10-08T12:16:13","slug":"pcb-design-qa-part-1","status":"publish","type":"post","link":"https:\/\/www.jingpengpcb.com\/en\/blog\/pcb-design-qa-part-1\/","title":{"rendered":"How to Determine Basic PCB Design Parameters? FAQs on Layer Count, Trace Width, Via Sizes, and Impedance"},"content":{"rendered":"<style>\n.jp-tw{overflow-x:auto;margin:26px 0;-webkit-overflow-scrolling:touch;}\n.jp-tw table{border-collapse:collapse;width:100%;min-width:560px;font-size:15px;line-height:1.65;background:#fff;}\n.jp-tw th,.jp-tw td{border:1px solid #dde3ea;padding:11px 14px;text-align:left;vertical-align:top;}\n.jp-tw thead th{background:#eef2f7;color:#1b2733;font-weight:700;white-space:nowrap;border-bottom:2px solid #c9d3de;}\n.jp-tw tbody tr:nth-child(even){background:#fafbfc;}\n.jp-tw tbody tr:hover{background:#f1f5fa;}\n.jp-tw tbody td:first-child{font-weight:600;color:#1b2733;}\n@media(max-width:767px){.jp-tw table{font-size:14px;min-width:520px;}.jp-tw th,.jp-tw td{padding:9px 11px;}}\n<\/style>\n<p>\u5370\u5236\u7535\u8def\u677f\u8bbe\u8ba1\u91cc\uff0c\u771f\u6b63\u8ba9\u9879\u76ee\u8fd4\u5de5\u7684\u5f80\u5f80\u4e0d\u662f\u590d\u6742\u7684\u4eff\u771f\uff0c\u800c\u662f\u51e0\u4e2a\u5728\u6700\u5f00\u59cb\u5c31\u6ca1\u5b9a\u6e05\u695a\u7684\u57fa\u7840\u53c2\u6570\uff1a\u7528\u51e0\u5c42\u677f\u3001\u7ebf\u5bbd\u8d70\u591a\u5c11\u3001\u8fc7\u5b54\u80fd\u4e0d\u80fd\u505a\u51fa\u6765\u3001\u963b\u6297\u8981\u4e0d\u8981\u63a7\u3002\u8fd9\u4e00\u7bc7\u628a\u8fd9\u4e9b\u9ad8\u9891\u95ee\u9898\u6309\u5b9e\u9645\u5de5\u7a0b\u7ecf\u9a8c\u6574\u7406\u6210\u95ee\u7b54\uff0c\u4f5c\u4e3a\u672c\u7cfb\u5217\u7684\u7b2c\u4e00\u90e8\u5206\uff1b\u5dee\u5206\u5bf9\u5e03\u7ebf\u3001\u5730\u5206\u5272\u3001\u81ea\u52a8\u5e03\u7ebf\u4e0e\u6d4b\u8bd5 coupon \u7b49\u5185\u5bb9\uff0c\u5c06\u5728<a href=\"https:\/\/www.jingpengpcb.com\/en\/blog\/\">\u540e\u7eed\u7ae0\u8282<\/a>\u5c55\u5f00\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"799\" height=\"604\" class=\"alignnone size-large wp-image-5699\" src=\"https:\/\/www.jingpengpcb.com\/wp-content\/uploads\/2023\/07\/china-printed-board-standards.webp\" alt=\"Printed Circuit Board Standards and Specifications\" srcset=\"https:\/\/www.jingpengpcb.com\/wp-content\/uploads\/2023\/07\/china-printed-board-standards.webp 799w, https:\/\/www.jingpengpcb.com\/wp-content\/uploads\/2023\/07\/china-printed-board-standards-300x227.webp 300w, https:\/\/www.jingpengpcb.com\/wp-content\/uploads\/2023\/07\/china-printed-board-standards-768x581.webp 768w, https:\/\/www.jingpengpcb.com\/wp-content\/uploads\/2023\/07\/china-printed-board-standards-400x302.webp 400w\" sizes=\"auto, (max-width: 799px) 100vw, 799px\" \/><\/p>\n<h2>\u95ee\u9898 1\uff1a\u4e00\u5757\u677f\u5230\u5e95\u8be5\u7528\u51e0\u5c42\uff1f<\/h2>\n<p>\u5c42\u6570\u4e0d\u662f\u62cd\u8111\u888b\u5b9a\u7684\uff0c\u4e3b\u8981\u7531\u4e09\u4e2a\u56e0\u7d20\u9501\u6b7b\uff1a<strong>\u4fe1\u53f7\u7f51\u7edc\u7684\u6247\u51fa\u5bc6\u5ea6<\/strong>\u3001<strong>\u7535\u6e90\u4e0e\u5730\u7684\u53c2\u8003\u5e73\u9762\u9700\u6c42<\/strong>\u3001<strong>\u6210\u672c\u76ee\u6807<\/strong>\u3002<\/p>\n<p>\u6700\u5b9e\u7528\u7684\u5224\u65ad\u4f9d\u636e\u662f\u4e3b\u82af\u7247\u7684\u5c01\u88c5\u3002\u4ee5 BGA \u4e3a\u4f8b\uff0c\u5f15\u811a\u95f4\u8ddd\u76f4\u63a5\u51b3\u5b9a\u6700\u5c11\u9700\u8981\u7684\u8d70\u7ebf\u5c42\uff1a<\/p>\n<ul>\n<li>1.0 mm \u53ca\u4ee5\u4e0a\u95f4\u8ddd\uff1a\u4e24\u5c42\u901a\u5e38\u53ef\u4ee5\u5b8c\u6210\u6247\u51fa\uff0c\u4f46\u7f3a\u5c11\u5b8c\u6574\u5730\u5e73\u9762\uff0c\u4ec5\u9002\u5408\u4f4e\u901f\u3001\u4f4e\u566a\u58f0\u573a\u666f<\/li>\n<li>0.8 mm \u95f4\u8ddd\uff1a\u56db\u5c42\u8d77\u6b65\uff0c\u4fe1\u53f7\u2014\u5730\u2014\u7535\u6e90\u2014\u4fe1\u53f7\u7684\u6807\u51c6\u53e0\u6784<\/li>\n<li>0.65 mm \u95f4\u8ddd\uff1a\u516d\u5c42\u4ee5\u4e0a\uff0c\u6bcf\u4e24\u4e2a\u4fe1\u53f7\u5c42\u4e4b\u95f4\u9700\u8981\u5730\u5e73\u9762\u9694\u79bb<\/li>\n<li>0.5 mm \u53ca\u4ee5\u4e0b\uff1a\u5e38\u89c4\u901a\u5b54\u6247\u51fa\u5df2\u4e0d\u6210\u7acb\uff0c\u5fc5\u987b\u8d70 HDI \u76f2\u57cb\u5b54\u65b9\u6848<\/li>\n<\/ul>\n<p>\u53e6\u4e00\u4e2a\u5e38\u88ab\u5ffd\u7565\u7684\u7ea6\u675f\u662f<strong>\u5c42\u6570\u5fc5\u987b\u4e3a\u5076\u6570<\/strong>\u3002\u5947\u6570\u5c42\u53e0\u6784\u5728\u538b\u5408\u65f6\u5e94\u529b\u4e0d\u5bf9\u79f0\uff0c\u7fd8\u66f2\u98ce\u9669\u663e\u8457\u4e0a\u5347\uff0c\u9664\u975e\u505a\u7279\u6b8a\u7684\u5047\u5c42\u5904\u7406\uff0c\u5426\u5219\u4e0d\u5efa\u8bae\u3002<\/p>\n<p>\u5982\u679c\u4f60\u7684\u8bbe\u8ba1\u6d89\u53ca<a href=\"\/en\/hdi-pcb\/\">High-Density Interconnect<\/a>\uff0c\u53ef\u4ee5\u53c2\u8003\u6211\u4eec\u7684 <a href=\"https:\/\/www.jingpengpcb.com\/en\/hdi-pcb\/\">HDI (High-Density Interconnect) Board<\/a>\u80fd\u529b\u8bf4\u660e\uff0c\u91cc\u9762\u5bf9\u9636\u6570\u4e0e\u76f2\u5b54\u7ed3\u6784\u6709\u66f4\u5177\u4f53\u7684\u754c\u5b9a\u3002<\/p>\n<h2>\u95ee\u9898 2\uff1a\u7ebf\u5bbd\u7ebf\u8ddd\u600e\u4e48\u53d6\u624d\u65e2\u5b89\u5168\u53c8\u4e0d\u6d6a\u8d39\u94b1<\/h2>\n<p>\u7ebf\u5bbd\u7531\u8f7d\u6d41\u80fd\u529b\u51b3\u5b9a\u4e0b\u9650\uff0c\u7ebf\u8ddd\u7531\u8010\u538b\u4e0e\u5de5\u827a\u80fd\u529b\u51b3\u5b9a\u4e0b\u9650\u3002\u4e24\u8005\u90fd\u4e0d\u8981\u8d34\u7740\u6781\u9650\u8bbe\u8ba1\u3002<\/p>\n<p>\u8f7d\u6d41\u65b9\u9762\uff0cIPC-2221 \u7ed9\u51fa\u7684\u7ecf\u9a8c\u66f2\u7ebf\u662f\u5de5\u7a0b\u4e0a\u6700\u5e38\u7528\u7684\u53c2\u8003\uff1a\u5728 1 oz\uff0835 \u03bcm\uff09\u94dc\u539a\u3001\u6e29\u5347 10 \u2103 \u6761\u4ef6\u4e0b\uff0c10 mil\uff08\u7ea6 0.25 mm\uff09\u7ebf\u5bbd\u5927\u7ea6\u53ef\u627f\u8f7d 1 A \u7535\u6d41\u3002\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u5185\u5c42\u8d70\u7ebf\u6563\u70ed\u6761\u4ef6\u6bd4\u5916\u5c42\u5dee\uff0c\u540c\u6837\u7ebf\u5bbd\u8f7d\u6d41\u80fd\u529b\u8981\u6253\u7ea6\u4e03\u6298\uff1b\u94dc\u539a\u7ffb\u500d\u4e0d\u7b49\u4e8e\u8f7d\u6d41\u7ffb\u500d\uff0c\u56e0\u4e3a\u6563\u70ed\u9762\u79ef\u6ca1\u6709\u540c\u6b65\u589e\u52a0\u3002<\/p>\n<p>\u5de5\u827a\u80fd\u529b\u65b9\u9762\uff0c\u76ee\u524d\u5e38\u89c4\u4ea7\u7ebf\u7684\u7ecf\u6d4e\u80fd\u529b\u5927\u81f4\u662f\uff1a<\/p>\n<div class=\"jp-tw\">\n<table>\n<thead>\n<tr>\n<th>Project<\/th>\n<th>\u7ecf\u6d4e\u533a\u95f4<\/th>\n<th>\u9ad8\u96be\u5ea6\u533a\u95f4<\/th>\n<th>Note<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u5916\u5c42\u7ebf\u5bbd\/\u7ebf\u8ddd<\/td>\n<td>4 \/ 4 mil\uff080.10 mm\uff09<\/td>\n<td>3 \/ 3 mil\uff080.075 mm\uff09<\/td>\n<td>\u4f4e\u4e8e 3 mil \u9700\u4e13\u9879\u8bc4\u4f30\uff0c\u826f\u7387\u4e0e\u62a5\u4ef7\u90fd\u4f1a\u53d8\u5316<\/td>\n<\/tr>\n<tr>\n<td>\u5185\u5c42\u7ebf\u5bbd\/\u7ebf\u8ddd<\/td>\n<td>4 \/ 4 mil<\/td>\n<td>3 \/ 3 mil<\/td>\n<td>\u5185\u5c42\u8680\u523b\u8865\u507f\u6bd4\u5916\u5c42\u66f4\u96be\u63a7\u5236<\/td>\n<\/tr>\n<tr>\n<td>Copper Thickness<\/td>\n<td>1 oz (35 \u03bcm)<\/td>\n<td>0.5 \u2013 6 oz<\/td>\n<td>\u539a\u94dc\u677f\u7ebf\u8ddd\u9700\u76f8\u5e94\u653e\u5927\uff0c\u89c1\u95ee\u9898 6<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>\u5efa\u8bae\u505a\u6cd5\uff1a\u7535\u6e90\u4e0e\u5730\u7f51\u7edc\u6309\u8f7d\u6d41\u7b97\u8db3\u5e76\u7559 20%\u201330% \u4f59\u91cf\uff0c\u666e\u901a\u4fe1\u53f7\u7ebf\u7edf\u4e00\u8d70 6 mil \u4ee5\u4e0a\u3002\u628a\u6574\u5757\u677f\u7684\u7ebf\u8ddd\u538b\u5230 3 mil \u53ea\u4f1a\u62ac\u9ad8\u5355\u4ef7\uff0c\u5e76\u4e0d\u4f1a\u5e26\u6765\u4efb\u4f55\u7535\u6c14\u6536\u76ca\u3002<\/p>\n<h2>\u8fdb\u9636\uff1a\u963b\u6297\u5230\u5e95\u5bf9\u54ea\u4e2a\u53d8\u91cf\u6700\u654f\u611f<\/h2>\n<p>\u95ee\u9898 4 \u63d0\u5230\u963b\u6297\u7531\u4e94\u4e2a\u53d8\u91cf\u5171\u540c\u51b3\u5b9a\uff0c\u4f46\u5b83\u4eec\u7684\u654f\u611f\u5ea6\u5e76\u4e0d\u76f8\u540c\u3002\u5de5\u7a0b\u4e0a\u6309\u5f71\u54cd\u6743\u91cd\u6392\u5e8f\uff0c\u5927\u81f4\u662f\uff1a<\/p>\n<div class=\"jp-tw\">\n<table>\n<thead>\n<tr>\n<th>Variable<\/th>\n<th>Sensitivity<\/th>\n<th>Controllability<\/th>\n<th>\u5b9e\u9645\u505a\u6cd5<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u4ecb\u8d28\u5c42\u539a\u5ea6 H<\/td>\n<td>Highest<\/td>\n<td>\u4e2d\uff0c\u53d7\u677f\u6750\u89c4\u683c\u9650\u5236<\/td>\n<td>\u53e0\u6784\u9636\u6bb5\u9501\u5b9a\uff0c\u6ce8\u660e\u516c\u5dee<\/td>\n<\/tr>\n<tr>\n<td>Line Width W<\/td>\n<td>\u9ad8<\/td>\n<td>\u9ad8\uff0c\u5de5\u5382\u53ef\u5fae\u8c03<\/td>\n<td>\u7559\u51fa\u8c03\u6574\u4f59\u91cf\u7ed9\u5de5\u5382<\/td>\n<\/tr>\n<tr>\n<td>\u4ecb\u7535\u5e38\u6570 Dk<\/td>\n<td>\u9ad8<\/td>\n<td>\u4f4e\uff0c\u53d6\u51b3\u4e8e\u677f\u6750<\/td>\n<td>\u9009\u578b\u65f6\u9501\u5b9a\uff0c\u8981\u6c42\u6279\u6b21\u7a33\u5b9a\u6027<\/td>\n<\/tr>\n<tr>\n<td>Copper Thickness T<\/td>\n<td>\u4e2d<\/td>\n<td>\u4e2d<\/td>\n<td>\u4e0e\u8f7d\u6d41\u9700\u6c42\u4e00\u8d77\u5b9a<\/td>\n<\/tr>\n<tr>\n<td>Solder Mask<\/td>\n<td>\u8f83\u4f4e<\/td>\n<td>\u4f4e<\/td>\n<td>\u8868\u5c42\u8d70\u7ebf\u9700\u8ba1\u5165\uff0c\u5185\u5c42\u53ef\u5ffd\u7565<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>\u7531\u6b64\u5f97\u5230\u4e24\u6761\u5b9e\u7528\u7ed3\u8bba\u3002\u7b2c\u4e00\uff0c<strong>\u4ecb\u8d28\u539a\u5ea6\u4e00\u65e6\u786e\u5b9a\uff0c\u963b\u6297\u7684\u53ef\u8c03\u8303\u56f4\u5c31\u57fa\u672c\u88ab\u9501\u6b7b<\/strong>\uff0c\u56e0\u6b64\u53e0\u6784\u8bbe\u8ba1\u5fc5\u987b\u5728\u963b\u6297\u8ba1\u7b97\u4e4b\u524d\u5b8c\u6210\uff1b\u7b2c\u4e8c\uff0c<strong>\u7ebf\u5bbd\u662f\u5de5\u5382\u552f\u4e00\u80fd\u4e3b\u52a8\u5fae\u8c03\u7684\u53d8\u91cf<\/strong>\uff0c\u6240\u4ee5\u4e0b\u5355\u65f6\u7ed9\u51fa\u76ee\u6807\u503c\u4e0e\u516c\u5dee\u3001\u5141\u8bb8\u5de5\u5382\u6539\u7ebf\u5bbd\uff0c\u6bd4\u81ea\u5df1\u628a\u7ebf\u5bbd\u5361\u6b7b\u66f4\u5bb9\u6613\u505a\u51fa\u5408\u683c\u677f\u3002<\/p>\n<ul>\n<li>\u5fae\u5e26\u7ebf\uff08\u8868\u5c42\uff09\uff1a\u963b\u6297\u4e3b\u8981\u7531 W\u3001H\u3001Dk \u51b3\u5b9a\uff0c\u963b\u710a\u5c42\u4f1a\u4f7f\u5b9e\u9645\u963b\u6297\u4e0b\u964d 2 \u2013 3 \u03a9\uff1b<\/li>\n<li>\u5e26\u72b6\u7ebf\uff08\u5185\u5c42\uff09\uff1a\u963b\u6297\u7531 W\u3001H\u3001Dk \u51b3\u5b9a\uff0c\u4e0d\u53d7\u963b\u710a\u5f71\u54cd\uff0c\u4e00\u81f4\u6027\u4f18\u4e8e\u8868\u5c42\uff1b<\/li>\n<li>\u5dee\u5206\u5bf9\uff1a\u9664\u4e0a\u8ff0\u53d8\u91cf\u5916\u8fd8\u53d6\u51b3\u4e8e\u7ebf\u95f4\u8ddd S\uff0c\u95f4\u8ddd\u8d8a\u5c0f\u8026\u5408\u8d8a\u5f3a\u3001\u5dee\u5206\u963b\u6297\u8d8a\u4f4e\u3002<\/li>\n<\/ul>\n<ol>\n<li>\u5148\u6309\u677f\u6750 Dk \u4e0e\u53ef\u7528\u82af\u677f\u539a\u5ea6\u6392\u51fa\u5019\u9009\u53e0\u6784\uff1b<\/li>\n<li>\u7528\u573a\u6c42\u89e3\u5668\u7b97\u51fa\u5404\u53d7\u63a7\u7f51\u7edc\u7684\u7ebf\u5bbd\uff1b<\/li>\n<li>\u628a\u7ebf\u5bbd\u3001\u53c2\u8003\u5c42\u3001\u76ee\u6807\u503c\u4e0e\u516c\u5dee\u6574\u7406\u6210\u963b\u6297\u8868\u968f Gerber \u4e00\u8d77\u53d1\u51fa\u3002<\/li>\n<\/ol>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"450\" class=\"alignnone size-large wp-image-6393\" src=\"https:\/\/www.jingpengpcb.com\/wp-content\/uploads\/2023\/07\/rf-pcb-design.jpg\" alt=\"RF PCB Design\" srcset=\"https:\/\/www.jingpengpcb.com\/wp-content\/uploads\/2023\/07\/rf-pcb-design.jpg 800w, https:\/\/www.jingpengpcb.com\/wp-content\/uploads\/2023\/07\/rf-pcb-design-300x169.jpg 300w, https:\/\/www.jingpengpcb.com\/wp-content\/uploads\/2023\/07\/rf-pcb-design-768x432.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/p>\n<p>\u4fe1\u53f7\u5b8c\u6574\u6027\u76f8\u5173\u5206\u6790\u89c1<a href=\"\/en\/blog\/pcb-design-signal-integrity\/\">Signal Integrity Issues in PCB Design<\/a>\uff1b\u9ad8\u901f\u677f\u6750\u9009\u578b\u53ef\u53c2\u8003<a href=\"\/en\/capabilities\/pcb-materials\/\">PCB Sheets<\/a>\u80fd\u529b\u8bf4\u660e\u3002<\/p>\n<h2>\u95ee\u9898 3\uff1a\u8fc7\u5b54\u8be5\u9009\u591a\u5927\uff0c\u4ec0\u4e48\u65f6\u5019\u5fc5\u987b\u7528\u76f2\u57cb\u5b54<\/h2>\n<p>\u8fc7\u5b54\u5c3a\u5bf8\u7684\u786c\u7ea6\u675f\u662f<strong>Thickness-to-Diameter Ratio<\/strong>\uff08\u677f\u539a \u00f7 \u5b54\u5f84\uff09\u3002\u5e38\u89c4\u673a\u68b0\u94bb\u5b54\u7684\u53ef\u9760\u80fd\u529b\u5728 8:1 \u5de6\u53f3\uff0c\u8d85\u8fc7 10:1 \u65f6\u5b54\u58c1\u9540\u94dc\u5747\u5300\u6027\u6025\u5267\u4e0b\u964d\uff0c\u4e2d\u5fc3\u90e8\u4f4d\u5bb9\u6613\u9540\u4e0d\u4e0a\uff0c\u51fa\u73b0\u5b54\u94dc\u8584\u751a\u81f3\u5f00\u8def\u3002<\/p>\n<ul>\n<li>\u5e38\u89c4\u901a\u5b54\uff1a\u6210\u54c1\u5b54\u5f84 0.30 mm \u662f\u6700\u7ecf\u6d4e\u7684\u9009\u62e9\uff0c0.20 mm \u4ecd\u53ef\u6279\u91cf\u751f\u4ea7\u4f46\u9700\u5355\u72ec\u786e\u8ba4<\/li>\n<li>\u6fc0\u5149\u5fae\u5b54\uff1a0.10 mm \u7ea7\u522b\uff0c\u4ec5\u7528\u4e8e HDI \u7684\u76f2\u5b54\u5c42\uff0c\u4e0d\u80fd\u8d2f\u7a7f\u6574\u677f<\/li>\n<li>\u76f2\u5b54 \/ \u57cb\u5b54\uff1a\u7528\u4e8e\u91ca\u653e BGA \u533a\u57df\u7684\u5e03\u7ebf\u7a7a\u95f4\uff0c\u4ee3\u4ef7\u662f\u538b\u5408\u6b21\u6570\u589e\u52a0\u3001\u4ea4\u671f\u62c9\u957f<\/li>\n<\/ul>\n<p>\u4e00\u4e2a\u7b80\u5355\u7684\u5224\u65ad\uff1a\u5982\u679c BGA \u533a\u57df\u7684\u5f15\u811a\u5df2\u7ecf\u65e0\u6cd5\u901a\u8fc7\u901a\u5b54\u6247\u51fa\u5230\u5185\u5c42\uff0c\u624d\u8003\u8651\u76f2\u57cb\u5b54\u3002\u5355\u7eaf\u4e3a\u4e86&#8221;\u770b\u8d77\u6765\u66f4\u9ad8\u7ea7&#8221;\u800c\u4e0a HDI\uff0c\u6210\u672c\u53ef\u80fd\u7ffb\u500d\u800c\u6027\u80fd\u6ca1\u6709\u63d0\u5347\u3002<\/p>\n<h2>\u95ee\u9898 4\uff1a\u7279\u6027\u963b\u6297\u4ec0\u4e48\u65f6\u5019\u5fc5\u987b\u63a7<\/h2>\n<p>\u5224\u65ad\u6807\u51c6\u53ea\u6709\u4e00\u6761\uff1a<strong>\u4fe1\u53f7\u4e0a\u5347\u6cbf\u65f6\u95f4\u662f\u5426\u77ed\u5230\u8ba9\u8d70\u7ebf\u8868\u73b0\u51fa\u4f20\u8f93\u7ebf\u6548\u5e94<\/strong>\u3002\u5de5\u7a0b\u4e0a\u901a\u5e38\u6309\u8d70\u7ebf\u957f\u5ea6\u8d85\u8fc7\u4e0a\u5347\u6cbf\u5bf9\u5e94\u7535\u6c14\u957f\u5ea6\u7684 1\/6 \u4f5c\u4e3a\u95e8\u69db\u3002\u5b9e\u9645\u9879\u76ee\u4e2d\uff0c\u4ee5\u4e0b\u51e0\u7c7b\u7f51\u7edc\u9ed8\u8ba4\u9700\u8981\u63a7\u963b\u6297\uff1a<\/p>\n<ul>\n<li>USB 2.0 \u5dee\u5206\u5bf9\uff1a90 \u03a9 \u00b110%<\/li>\n<li>\u4ee5\u592a\u7f51\u3001HDMI \u5dee\u5206\u5bf9\uff1a100 \u03a9 \u00b110%<\/li>\n<li>RF \u5c04\u9891\u8d70\u7ebf\uff1a\u591a\u4e3a 50 \u03a9 \u5355\u7aef<\/li>\n<li>DDR \u65f6\u949f\u4e0e\u6570\u636e\u9009\u901a\uff1a\u6309\u82af\u7247\u624b\u518c\u8981\u6c42\uff0c\u901a\u5e38 40\u201360 \u03a9<\/li>\n<\/ul>\n<p>\u963b\u6297\u7531\u4e94\u4e2a\u53d8\u91cf\u5171\u540c\u51b3\u5b9a\uff1a\u7ebf\u5bbd\u3001\u4ecb\u8d28\u5c42\u539a\u5ea6\u3001\u57fa\u6750\u4ecb\u7535\u5e38\u6570 Dk\u3001\u94dc\u539a\u3001\u4ee5\u53ca\u963b\u710a\u5c42\u8986\u76d6\u3002\u5176\u4e2d Dk \u662f\u677f\u6750\u9009\u578b\u65f6\u8981\u63d0\u524d\u9501\u5b9a\u7684\u53c2\u6570\u2014\u2014\u666e\u901a FR-4 \u7684 Dk \u5728 1 GHz \u4e0b\u7ea6 4.2\u20134.7\uff0c\u4e14\u6279\u6b21\u95f4\u5b58\u5728\u6ce2\u52a8\uff0c\u5bf9\u963b\u6297\u516c\u5dee\u8981\u6c42\u4e25\u7684\u9879\u76ee\u5e94\u9009\u7528 Dk \u7a33\u5b9a\u6027\u66f4\u597d\u7684\u4e2d\u9ad8\u7aef\u677f\u6750\u3002<\/p>\n<p>\u4e0b\u5355\u65f6\u5efa\u8bae\u5728 Gerber \u4e4b\u5916\u5355\u72ec\u63d0\u4f9b\u963b\u6297\u8868\uff0c\u6807\u660e\u6bcf\u6761\u53d7\u63a7\u7f51\u7edc\u7684\u7ebf\u5bbd\u3001\u53c2\u8003\u5c42\u4e0e\u76ee\u6807\u503c\u3002\u5de5\u5382\u4f1a\u636e\u6b64\u505a\u9996\u4ef6\u6d4b\u8bd5\u5e76\u51fa\u5177\u963b\u6297\u62a5\u544a\u3002<\/p>\n<h2>\u8fdb\u9636\uff1a\u6295\u677f\u524d\u7684 DFM \u81ea\u68c0\u6e05\u5355<\/h2>\n<p>\u524d\u9762\u51e0\u6761\u628a\u53c2\u6570\u9010\u4e2a\u8bb2\u6e05\u695a\u4e86\uff0c\u5b9e\u9645\u6295\u677f\u65f6\u8fd8\u9700\u8981\u4e00\u6b21\u7cfb\u7edf\u6027\u7684\u53ef\u5236\u9020\u6027\u68c0\u67e5\u3002\u4e0b\u9762\u8fd9\u4efd\u6e05\u5355\u6309\u300c\u51fa\u95ee\u9898\u6982\u7387 \u00d7 \u8fd4\u5de5\u4ee3\u4ef7\u300d\u6392\u5e8f\uff0c\u524d\u4e94\u9879\u662f\u6700\u5e38\u88ab\u5de5\u5382\u6253\u56de\u7684\u539f\u56e0\uff1a<\/p>\n<div class=\"jp-tw\">\n<table>\n<thead>\n<tr>\n<th>Checklist Items<\/th>\n<th>Common Mistakes<\/th>\n<th>Consequences<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u5b54\u5f84\u4e0e\u710a\u76d8\u5339\u914d<\/td>\n<td>\u710a\u76d8\u6309\u94bb\u5b54\u5c3a\u5bf8\u8bbe\u8ba1\uff0c\u672a\u8ba1\u5165\u9540\u94dc<\/td>\n<td>\u5b54\u73af\u4e0d\u8db3\uff0c\u6389\u710a\u76d8<\/td>\n<\/tr>\n<tr>\n<td>Line Width and Spacing<\/td>\n<td>\u5168\u677f\u8d34\u7740 3 mil \u6781\u9650\u8bbe\u8ba1<\/td>\n<td>\u826f\u7387\u4e0b\u964d\u3001\u5355\u4ef7\u4e0a\u5347<\/td>\n<\/tr>\n<tr>\n<td>\u53e0\u6784\u5bf9\u79f0\u6027<\/td>\n<td>\u94dc\u539a\u4e0e\u4ecb\u8d28\u539a\u5206\u5e03\u4e0d\u5bf9\u79f0<\/td>\n<td>\u538b\u5408\u540e\u7fd8\u66f2\u8d85\u6807<\/td>\n<\/tr>\n<tr>\n<td>\u5b64\u7acb\u94dc\u4e0e\u5e73\u8861\u94dc<\/td>\n<td>\u5927\u9762\u79ef\u7a7a\u533a\u672a\u8865\u94dc<\/td>\n<td>\u8680\u523b\u4e0d\u5747\u3001\u677f\u9762\u76b1\u6298<\/td>\n<\/tr>\n<tr>\n<td>\u963b\u6297\u8868\u7f3a\u5931<\/td>\n<td>\u53ea\u7ed9 Gerber \u672a\u7ed9\u53d7\u63a7\u7f51\u7edc\u6e05\u5355<\/td>\n<td>\u5de5\u5382\u6309\u9ed8\u8ba4\u505a\uff0c\u963b\u6297\u4e0d\u8fbe\u6807<\/td>\n<\/tr>\n<tr>\n<td>Process Edges and Mark Points<\/td>\n<td>\u672a\u7559\u5de5\u827a\u8fb9\u6216\u65e0 Mark \u70b9<\/td>\n<td>\u65e0\u6cd5\u4e0a\u8d34\u7247\u7ebf<\/td>\n<\/tr>\n<tr>\n<td>\u4e1d\u5370\u4f4d\u7f6e<\/td>\n<td>\u5143\u4ef6\u6807\u53f7\u538b\u5728\u710a\u76d8\u6216\u8fc7\u5b54\u4e0a<\/td>\n<td>\u5f71\u54cd\u710a\u63a5\u4e0e\u8bc6\u522b<\/td>\n<\/tr>\n<tr>\n<td>\u69fd\u5b54\u4e0e\u5f02\u5f62\u5b54<\/td>\n<td>\u7528\u94bb\u5b54\u5c42\u8868\u8fbe\uff0c\u672a\u5355\u72ec\u6807\u6ce8<\/td>\n<td>\u52a0\u5de5\u6210\u5706\u5b54<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>\u6e05\u5355\u91cc\u6700\u5bb9\u6613\u51fa\u95ee\u9898\u7684\u662f<strong>\u69fd\u5b54\u4e0e\u5f02\u5f62\u5b54<\/strong>\u3002\u5b83\u4eec\u5fc5\u987b\u7528\u72ec\u7acb\u7684\u94bb\u5b54\u5c42\u6216\u673a\u68b0\u5c42\u660e\u786e\u8868\u8fbe\uff0c\u5e76\u6ce8\u660e\u662f\u69fd\u8fd8\u662f\u5b54\uff0c\u4ec5\u9760 Gerber \u7684\u94bb\u5b54\u6587\u4ef6\u5f88\u5bb9\u6613\u88ab\u5f53\u6210\u666e\u901a\u5706\u5b54\u5904\u7406\u3002<\/p>\n<ul>\n<li><strong>Process Edge<\/strong>\uff1a\u4e00\u822c\u9700\u8981 3 \u2013 5 mm\uff0c\u82e5\u677f\u8fb9\u6709\u5143\u4ef6\u9700\u52a0\u5bbd\uff1b<\/li>\n<li><strong>Mark \u70b9<\/strong>\uff1a\u76f4\u5f84 1.0 \u2013 1.5 mm \u7684\u88f8\u94dc\u5706\u70b9\uff0c\u5468\u56f4\u7559\u51fa\u65e0\u963b\u710a\u7684\u7a7a\u533a\uff1b<\/li>\n<li><strong>\u62fc\u7248\u65b9\u5f0f<\/strong>\uff1aV-CUT \u9002\u5408\u89c4\u5219\u77e9\u5f62\uff0c\u5f02\u5f62\u677f\u7528\u90ae\u7968\u5b54\uff1b<\/li>\n<li><strong>Sheet Thickness Tolerance<\/strong>\uff1a\u6709\u7ed3\u6784\u914d\u5408\u8981\u6c42\u65f6\u5fc5\u987b\u6ce8\u660e\uff0c\u5426\u5219\u6309\u9ed8\u8ba4\u516c\u5dee\u751f\u4ea7\u3002<\/li>\n<\/ul>\n<ol>\n<li>\u5bfc\u51fa Gerber \u524d\u8dd1\u4e00\u904d\u8bbe\u8ba1\u89c4\u5219\u68c0\u67e5\uff08DRC\uff09\uff1b<\/li>\n<li>\u6309\u4e0a\u8868\u9010\u9879\u4eba\u5de5\u590d\u6838\uff1b<\/li>\n<li>\u6574\u7406\u5de5\u827a\u8981\u6c42\u6587\u6863\uff08\u677f\u539a\u3001\u94dc\u539a\u3001\u963b\u710a\u989c\u8272\u3001\u8868\u9762\u5904\u7406\u3001\u963b\u6297\u8868\uff09\uff1b<\/li>\n<li>\u628a Gerber \u4e0e\u8981\u6c42\u6587\u6863\u4e00\u5e76\u63d0\u4ea4\uff0c\u7b49\u5f85\u5de5\u7a0b\u786e\u8ba4\u3002<\/li>\n<\/ol>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"607\" height=\"342\" class=\"alignnone size-large wp-image-8816\" src=\"https:\/\/www.jingpengpcb.com\/wp-content\/uploads\/2023\/08\/pcb-process-edge-width.jpg\" alt=\"Standards for Setting the Width of Process Margins on PCBs\" srcset=\"https:\/\/www.jingpengpcb.com\/wp-content\/uploads\/2023\/08\/pcb-process-edge-width.jpg 607w, https:\/\/www.jingpengpcb.com\/wp-content\/uploads\/2023\/08\/pcb-process-edge-width-300x169.jpg 300w\" sizes=\"auto, (max-width: 607px) 100vw, 607px\" \/><\/p>\n<p>Common design errors can be found at<a href=\"\/en\/blog\/common-errors-in-printed-circuit-board-design\/\">How to Avoid Common Mistakes in Printed Circuit Board Design<\/a>\uff1b\u5de5\u827a\u7f3a\u9677\u6e05\u5355\u89c1<a href=\"\/en\/blog\/10-circuit-board-design-process-defects\/\">A Summary of 10 PCB Design Process Defects<\/a>\u3002<\/p>\n<h2>\u95ee\u9898 5\uff1a\u710a\u76d8\u548c\u5b54\u5f84\u600e\u4e48\u5339\u914d\u624d\u4e0d\u4f1a\u6389\u710a\u76d8<\/h2>\n<p>\u710a\u76d8\u76f4\u5f84 = \u6210\u54c1\u5b54\u5f84 + 2 \u00d7 \u5b54\u73af\u5bbd\u5ea6 + \u8865\u507f\u4f59\u91cf\u3002\u5b54\u73af\uff08annular ring\uff09\u662f\u5b54\u58c1\u5230\u710a\u76d8\u5916\u6cbf\u7684\u94dc\u73af\u5bbd\u5ea6\uff0c\u5b83\u51b3\u5b9a\u4e86\u94bb\u5b54\u504f\u5dee\u65f6\u662f\u5426\u8fd8\u80fd\u4fdd\u4f4f\u8fde\u63a5\u3002<\/p>\n<p>\u6309 IPC-6012 Class 2 \u7684\u4e00\u822c\u8981\u6c42\uff0c\u5b54\u73af\u6700\u5c0f\u4e0d\u4f4e\u4e8e 0.05 mm\uff08\u7ea6 2 mil\uff09\uff0c\u5141\u8bb8\u5728\u5b54\u7684\u4e00\u4fa7\u51fa\u73b0\u6709\u9650\u7684\u7834\u73af\u3002\u4f46\u5728\u5b9e\u9645\u751f\u4ea7\u4e2d\uff0c\u5982\u679c\u6309\u6700\u5c0f\u503c\u8bbe\u8ba1\uff0c\u94bb\u5b54\u5bf9\u4f4d\u504f\u5dee\u5f88\u5bb9\u6613\u9020\u6210\u710a\u76d8\u8131\u843d\u3002\u7ecf\u9a8c\u503c\u662f\uff1a<\/p>\n<ul>\n<li>0.30 mm \u5b54\u5f84 \u2192 \u710a\u76d8 0.60 mm \u4ee5\u4e0a<\/li>\n<li>0.50 mm \u5b54\u5f84 \u2192 \u710a\u76d8 0.80 mm \u4ee5\u4e0a<\/li>\n<li>1.00 mm \u5b54\u5f84 \u2192 \u710a\u76d8 1.40 mm \u4ee5\u4e0a<\/li>\n<\/ul>\n<p>\u53e6\u5916\u8981\u6ce8\u610f\u533a\u5206<strong>Finished Pore Size<\/strong>\u4e0e<strong>\u94bb\u5200\u5b54\u5f84<\/strong>\u3002\u524d\u8005\u662f\u9540\u94dc\u5b8c\u6210\u540e\u7684\u901a\u5f84\uff0c\u540e\u8005\u662f\u94bb\u5b54\u65f6\u7684\u5b9e\u9645\u5c3a\u5bf8\uff0c\u4e24\u8005\u76f8\u5dee\u7ea6 0.05\u20130.10 mm \u7684\u9540\u94dc\u5c42\u3002\u56fe\u7eb8\u4e0a\u6807\u6ce8\u4e0d\u6e05\u662f\u9020\u6210\u6279\u91cf\u8fd4\u5de5\u7684\u9ad8\u9891\u539f\u56e0\u4e4b\u4e00\u3002<\/p>\n<h2>\u95ee\u9898 6\uff1a\u539a\u94dc\u677f\u7684\u7ebf\u8ddd\u4e3a\u4ec0\u4e48\u5fc5\u987b\u653e\u5927<\/h2>\n<p>\u539a\u94dc\u677f\uff082 oz \u53ca\u4ee5\u4e0a\uff09\u5e38\u7528\u4e8e\u7535\u6e90\u6a21\u5757\u3001\u7535\u673a\u9a71\u52a8\u3001\u65b0\u80fd\u6e90\u7b49\u5927\u7535\u6d41\u573a\u666f\uff0c\u4f46\u5f88\u591a\u8bbe\u8ba1\u8005\u6309\u666e\u901a\u677f\u7684\u7ebf\u8ddd\u4e0b\u5355\uff0c\u7ed3\u679c\u8680\u523b\u540e\u7ebf\u95f4\u6b8b\u94dc\u3001\u77ed\u8def\u98ce\u9669\u5927\u5e45\u4e0a\u5347\u3002<\/p>\n<p>\u539f\u56e0\u662f\u8680\u523b\u7684\u4fa7\u8680\u6548\u5e94\uff1a\u94dc\u5c42\u8d8a\u539a\uff0c\u8680\u523b\u6db2\u5728\u5411\u4e0b\u8150\u8680\u7684\u540c\u65f6\u5411\u4fa7\u5411\u8150\u8680\u7684\u91cf\u8d8a\u5927\uff0c\u7ebf\u8ddd\u8d8a\u5c0f\u8d8a\u5bb9\u6613\u51fa\u73b0\u8680\u523b\u4e0d\u51c0\u3002\u7ecf\u9a8c\u89c4\u5219\u662f\u94dc\u539a\u6bcf\u589e\u52a0\u4e00\u4e2a\u7b49\u7ea7\uff0c\u6700\u5c0f\u7ebf\u8ddd\u9700\u76f8\u5e94\u653e\u5bbd\uff1a<\/p>\n<div class=\"jp-tw\">\n<table>\n<thead>\n<tr>\n<th>Copper Thickness<\/th>\n<th>\u5efa\u8bae\u6700\u5c0f\u7ebf\u5bbd<\/th>\n<th>\u5efa\u8bae\u6700\u5c0f\u7ebf\u8ddd<\/th>\n<th>Typical Applications<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>1 oz (35 \u03bcm)<\/td>\n<td>0.10 mm<\/td>\n<td>0.10 mm<\/td>\n<td>\u5e38\u89c4\u4fe1\u53f7\u677f<\/td>\n<\/tr>\n<tr>\n<td>2 oz (70 \u03bcm)<\/td>\n<td>0.20 mm<\/td>\n<td>0.20 mm<\/td>\n<td>\u7535\u6e90\u677f\u3001LED \u9a71\u52a8<\/td>\n<\/tr>\n<tr>\n<td>3 oz (105 \u03bcm)<\/td>\n<td>0.30 mm<\/td>\n<td>0.30 mm<\/td>\n<td>\u5927\u7535\u6d41\u7535\u6e90<\/td>\n<\/tr>\n<tr>\n<td>4 oz or more<\/td>\n<td>0.40 mm \u4ee5\u4e0a<\/td>\n<td>0.40 mm \u4ee5\u4e0a<\/td>\n<td>\u9700\u4e13\u9879\u8bc4\u5ba1<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>\u9700\u8981\u5927\u7535\u6d41\u53c8\u53d7\u9650\u4e8e\u677f\u9762\u79ef\u65f6\uff0c\u53ef\u8003\u8651\u5728\u539a\u94dc\u57fa\u7840\u4e0a\u589e\u52a0\u94dc\u7b94\u539a\u5ea6\u3001\u5f00\u7a97\u4e0a\u9521\u3001\u6216\u6539\u7528 <a href=\"https:\/\/www.jingpengpcb.com\/en\/metal-substrate\/\">Metal Substrate<\/a>\u65b9\u6848\uff0c\u7531\u7ed3\u6784\u800c\u975e\u94dc\u539a\u6765\u627f\u62c5\u8f7d\u6d41\u4e0e\u6563\u70ed\u3002<\/p>\n<h2>\u8fdb\u9636\uff1a\u6253\u6837\u5408\u683c\u4e0d\u7b49\u4e8e\u80fd\u91cf\u4ea7\u2014\u2014\u5de5\u827a\u7a97\u53e3\u7684\u5dee\u5f02<\/h2>\n<p>\u5f88\u591a\u9879\u76ee\u4f1a\u9047\u5230\u8fd9\u79cd\u60c5\u51b5\uff1a\u6253\u6837\u5341\u7247\u5168\u90e8\u5408\u683c\uff0c\u91cf\u4ea7\u4e94\u5343\u7247\u5374\u51fa\u73b0\u96f6\u6563\u4e0d\u826f\u3002\u6839\u6e90\u901a\u5e38\u4e0d\u662f\u8bbe\u8ba1\u53d8\u4e86\uff0c\u800c\u662f<strong>\u6837\u54c1\u4e0e\u6279\u91cf\u5904\u5728\u4e0d\u540c\u7684\u5de5\u827a\u7a97\u53e3<\/strong>\u3002<\/p>\n<div class=\"jp-tw\">\n<table>\n<thead>\n<tr>\n<th>Dimension<\/th>\n<th>\u6253\u6837<\/th>\n<th>Mass Production<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u751f\u4ea7\u8282\u594f<\/td>\n<td>\u5355\u72ec\u6392\u4ea7\uff0c\u8282\u594f\u6162<\/td>\n<td>\u8fde\u7eed\u4f5c\u4e1a\uff0c\u8282\u62cd\u56fa\u5b9a<\/td>\n<\/tr>\n<tr>\n<td>\u53c2\u6570\u63a7\u5236<\/td>\n<td>\u53ef\u9488\u5bf9\u6027\u5fae\u8c03<\/td>\n<td>\u6309\u6807\u51c6\u53c2\u6570\uff0c\u65e0\u5dee\u522b\u5904\u7406<\/td>\n<\/tr>\n<tr>\n<td>\u68c0\u9a8c\u6bd4\u4f8b<\/td>\n<td>\u5168\u68c0\u6216\u9ad8\u6bd4\u4f8b\u62bd\u68c0<\/td>\n<td>\u6309\u62bd\u6837\u65b9\u6848<\/td>\n<\/tr>\n<tr>\n<td>\u6750\u6599\u6279\u6b21<\/td>\n<td>\u5355\u4e00\u6279\u6b21<\/td>\n<td>\u591a\u6279\u6b21\u6df7\u7528<\/td>\n<\/tr>\n<tr>\n<td>\u8bbe\u5907\u72b6\u6001<\/td>\n<td>\u521a\u6821\u51c6<\/td>\n<td>\u968f\u8fd0\u884c\u65f6\u957f\u6f02\u79fb<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>\u5dee\u5f02\u5e26\u6765\u7684\u76f4\u63a5\u540e\u679c\u662f\uff1a<strong>\u6253\u6837\u65f6\u8d34\u7740\u6781\u9650\u7684\u53c2\u6570\uff0c\u5728\u91cf\u4ea7\u4e2d\u5f97\u4e0d\u5230\u540c\u7b49\u7684\u5173\u7167<\/strong>\u3002\u4f8b\u5982\u628a\u7ebf\u8ddd\u538b\u5230 3 mil\uff0c\u6253\u6837\u65f6\u5de5\u5382\u53ef\u80fd\u4e13\u95e8\u8c03\u6162\u8680\u523b\u901f\u5ea6\u3001\u52a0\u5f3a\u68c0\u67e5\uff1b\u91cf\u4ea7\u540e\u6309\u6807\u51c6\u53c2\u6570\u8d70\uff0c\u540c\u6837\u7684\u8bbe\u8ba1\u5c31\u6210\u4e86\u826f\u7387\u6740\u624b\u3002<\/p>\n<ul>\n<li><strong>\u5173\u952e\u53c2\u6570\u7559\u4f59\u91cf<\/strong>\uff1a\u7ebf\u5bbd\u7ebf\u8ddd\u3001\u5b54\u5f84\u3001\u5b54\u73af\u90fd\u4e0d\u8981\u6309\u6781\u9650\u8bbe\u8ba1\uff1b<\/li>\n<li><strong>\u660e\u786e\u5173\u952e\u7279\u6027<\/strong>\uff1a\u628a\u771f\u6b63\u5f71\u54cd\u529f\u80fd\u7684\u5c3a\u5bf8\u6807\u6ce8\u4e3a\u5173\u952e\u5c3a\u5bf8\uff0c\u8981\u6c42\u91cd\u70b9\u7ba1\u63a7\uff1b<\/li>\n<li><strong>\u505a\u5c0f\u6279\u91cf\u9a8c\u8bc1<\/strong>\uff1a\u4ece\u6253\u6837\u76f4\u63a5\u8df3\u5230\u91cf\u4ea7\u524d\uff0c\u5148\u8dd1 100 \u2013 500 \u7247\u4e2d\u6279\u91cf\uff1b<\/li>\n<li><strong>\u9501\u5b9a\u6750\u6599\u6279\u6b21<\/strong>\uff1a\u5bf9\u9ad8\u9891\u3001\u9ad8 Tg \u7b49\u654f\u611f\u6750\u6599\uff0c\u91cf\u4ea7\u65f6\u5c3d\u91cf\u540c\u4e00\u6279\u6b21\u3002<\/li>\n<\/ul>\n<ol>\n<li>\u6253\u6837\u9636\u6bb5\u8bb0\u5f55\u5b9e\u9645\u5de5\u827a\u53c2\u6570\u4e0e\u5b9e\u6d4b\u6570\u636e\uff1b<\/li>\n<li>\u5c0f\u6279\u91cf\u9636\u6bb5\u9a8c\u8bc1\u53c2\u6570\u5728\u6807\u51c6\u6761\u4ef6\u4e0b\u7684\u91cd\u590d\u6027\uff1b<\/li>\n<li>\u91cf\u4ea7\u9636\u6bb5\u5efa\u7acb\u5173\u952e\u7279\u6027\u7684\u62bd\u68c0\u4e0e\u8ffd\u6eaf\u673a\u5236\u3002<\/li>\n<\/ol>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"840\" height=\"210\" class=\"alignnone size-large wp-image-4773\" src=\"https:\/\/www.jingpengpcb.com\/wp-content\/uploads\/2023\/07\/What_is_a_microvia_hole.png.webp\" alt=\"PCB Microvia\" srcset=\"https:\/\/www.jingpengpcb.com\/wp-content\/uploads\/2023\/07\/What_is_a_microvia_hole.png.webp 840w, https:\/\/www.jingpengpcb.com\/wp-content\/uploads\/2023\/07\/What_is_a_microvia_hole.png-300x75.webp 300w, https:\/\/www.jingpengpcb.com\/wp-content\/uploads\/2023\/07\/What_is_a_microvia_hole.png-768x192.webp 768w\" sizes=\"auto, (max-width: 840px) 100vw, 840px\" \/><\/p>\n<p>Challenges in High-Layer Manufacturing<a href=\"\/en\/blog\/difficulties-and-key-process-control-in-manufacturing-high-rise-pcb\/\">Challenges in the Manufacturing of High-Layer-Count Printed Circuit Boards and Control of Key Processes<\/a>\uff1b\u53ef\u9760\u6027\u4e0e\u5207\u7247\u8981\u70b9\u89c1<a href=\"\/en\/blog\/19-pcb-reliability-and-microsection-points\/\">Key Points on the Reliability of 19 Printed Circuit Boards and Microsectioning Techniques<\/a>\u3002<\/p>\n<h2>\u5199\u5728\u6700\u540e<\/h2>\n<p>\u4e0a\u9762\u516d\u6761\u770b\u4f3c\u57fa\u7840\uff0c\u5374\u662f\u6253\u6837\u9636\u6bb5\u6700\u5e38\u88ab\u6253\u56de\u7684\u539f\u56e0\u3002\u628a\u5c42\u6570\u3001\u7ebf\u5bbd\u3001\u8fc7\u5b54\u3001\u963b\u6297\u3001\u710a\u76d8\u3001\u94dc\u539a\u8fd9\u516d\u9879\u5728\u6295\u677f\u524d\u4e00\u6b21\u6027\u786e\u8ba4\u6e05\u695a\uff0c\u901a\u5e38\u80fd\u7701\u6389\u4e00\u5230\u4e24\u6b21\u6539\u7248\u3002<\/p>\n<p>\u656c\u9e4f\u7535\u5b50\u63d0\u4f9b PCB \u52a0\u6025\u6253\u6837\u4e0e\u4e2d\u5c0f\u6279\u91cf\u52a0\u5de5\uff0c\u652f\u6301 24\u201372 \u5c0f\u65f6\u52a0\u6025\u4ea4\u4ed8\uff0c\u5de5\u7a0b\u4eba\u5458\u5728\u63a5\u5355\u524d\u4f1a\u5bf9\u4e0a\u8ff0\u53ef\u5236\u9020\u6027\u95ee\u9898\u505a\u4e00\u6b21\u524d\u7f6e\u68c0\u67e5\u3002\u6709\u5177\u4f53\u9879\u76ee\u9700\u8981\u8bc4\u4f30\uff0c\u53ef\u76f4\u63a5\u63d0\u4f9b Gerber \u4e0e\u5de5\u827a\u8981\u6c42\uff0c\u6211\u4eec\u4f1a\u8fde\u540c\u62a5\u4ef7\u4e00\u5e76\u53cd\u9988\u3002<\/p>\n<p><strong>\u672c\u6587\u6240\u5217\u53c2\u6570\u4e3a\u884c\u4e1a\u516c\u5f00\u901a\u7528\u89c4\u683c\uff0c\u5b9e\u9645\u80fd\u529b\u4ee5\u4ea7\u7ebf\u5f53\u671f\u5de5\u827a\u4e3a\u51c6\uff0c\u91cf\u4ea7\u524d\u8bf7\u4e0e\u5de5\u7a0b\u4eba\u5458\u590d\u6838\u3002<\/strong><\/p>\n<h2>Frequently Asked Questions<\/h2>\n<h3>1. \u56db\u5c42\u677f\u4e00\u5b9a\u8981\u6392\u6210\u300c\u4fe1\u53f7\u2014\u5730\u2014\u7535\u6e90\u2014\u4fe1\u53f7\u300d\u5417\uff1f<\/h3>\n<p>\u8fd9\u662f\u6700\u5e38\u89c1\u4e5f\u6700\u5b9e\u7528\u7684\u6392\u6cd5\uff0c\u4f46\u4e0d\u662f\u552f\u4e00\u3002\u82e5\u677f\u4e0a\u7684\u7535\u6e90\u79cd\u7c7b\u8f83\u591a\u3001\u6216\u7535\u6e90\u5c42\u9700\u8981\u627f\u8f7d\u5927\u7535\u6d41\uff0c\u4e5f\u53ef\u4ee5\u91c7\u7528\u300c\u4fe1\u53f7\u2014\u5730\u2014\u4fe1\u53f7\u2014\u7535\u6e90\u300d\uff0c\u4ee3\u4ef7\u662f\u6700\u5e95\u5c42\u7684\u4fe1\u53f7\u7f3a\u5c11\u76f8\u90bb\u5e73\u9762\u3002\u9009\u62e9\u65f6\u5e94\u4ee5\u300c\u6bcf\u4e2a\u9ad8\u901f\u4fe1\u53f7\u5c42\u90fd\u6709\u76f8\u90bb\u53c2\u8003\u5e73\u9762\u300d\u4e3a\u4f18\u5148\u76ee\u6807\u3002<\/p>\n<h3>2. \u4e3a\u4ec0\u4e48\u5185\u5c42\u8d70\u7ebf\u7684\u8f7d\u6d41\u80fd\u529b\u8981\u6253\u4e03\u6298\uff1f<\/h3>\n<p>\u56e0\u4e3a\u6563\u70ed\u6761\u4ef6\u4e0d\u540c\u3002\u5916\u5c42\u8d70\u7ebf\u4e00\u9762\u63a5\u89e6\u7a7a\u6c14\u3001\u53ef\u901a\u8fc7\u963b\u710a\u5c42\u4e0e\u5468\u56f4\u4ecb\u8d28\u6563\u70ed\uff1b\u5185\u5c42\u8d70\u7ebf\u88ab\u4ecb\u8d28\u4e0e\u94dc\u5c42\u5305\u88f9\uff0c\u70ed\u91cf\u53ea\u80fd\u6cbf\u94dc\u7b94\u4e0e\u4ecb\u8d28\u4f20\u5bfc\uff0c\u6e29\u5347\u66f4\u9ad8\u3002IPC-2221 \u7684\u8f7d\u6d41\u66f2\u7ebf\u5bf9\u5916\u5c42\u4e0e\u5185\u5c42\u5206\u522b\u7ed9\u51fa\u6570\u636e\uff0c\u5de5\u7a0b\u4e0a\u5e38\u7528\u4e03\u6298\u4f5c\u4e3a\u5185\u5c42\u7684\u7ecf\u9a8c\u6298\u7b97\u7cfb\u6570\u3002<\/p>\n<h3>3. \u963b\u6297\u516c\u5dee \u00b110% \u662f\u600e\u4e48\u6765\u7684\uff1f<\/h3>\n<p>\u8fd9\u662f\u884c\u4e1a\u901a\u884c\u7684\u9ed8\u8ba4\u516c\u5dee\uff0c\u6765\u6e90\u4e8e\u677f\u6750 Dk \u6ce2\u52a8\u3001\u4ecb\u8d28\u539a\u5ea6\u516c\u5dee\u3001\u8680\u523b\u7ebf\u5bbd\u504f\u5dee\u8fd9\u4e09\u9879\u7684\u7d2f\u79ef\u5f71\u54cd\u3002\u82e5\u9879\u76ee\u8981\u6c42 \u00b15% \u751a\u81f3 \u00b13%\uff0c\u9700\u8981\u5728\u677f\u6750\u3001\u53e0\u6784\u4e0e\u5de5\u827a\u4e0a\u540c\u6b65\u52a0\u4e25\uff0c\u6210\u672c\u4f1a\u660e\u663e\u4e0a\u5347\uff0c\u4e14\u5e76\u975e\u6240\u6709\u5de5\u5382\u90fd\u80fd\u7a33\u5b9a\u505a\u5230\u3002<\/p>\n<h3>4. \u8fc7\u5b54\u7684\u8f7d\u6d41\u80fd\u529b\u600e\u4e48\u7b97\uff1f<\/h3>\n<p>\u6309\u5b54\u58c1\u9540\u94dc\u7684\u622a\u9762\u79ef\u8ba1\u7b97\uff0c\u901a\u5e38\u53d6\u9540\u94dc\u539a\u5ea6 25 \u03bcm\uff08\u7ea6 1 mil \u7684\u5b54\u94dc\uff09\u4f5c\u4e3a\u57fa\u51c6\uff0c\u518d\u4e58\u4ee5\u5b54\u7684\u5468\u957f\u3002\u4e00\u4e2a 0.30 mm \u7684\u5b54\u5728 25 \u03bcm \u5b54\u94dc\u4e0b\u7ea6\u53ef\u627f\u8f7d 1 A \u5de6\u53f3\u3002\u5927\u7535\u6d41\u573a\u666f\u5e94\u5e76\u8054\u591a\u4e2a\u8fc7\u5b54\uff0c\u800c\u4e0d\u662f\u628a\u5355\u4e2a\u5b54\u52a0\u5927\u3002<\/p>\n<h3>5. \u80cc\u94bb\uff08Back Drilling\uff09\u4ec0\u4e48\u65f6\u5019\u9700\u8981\uff1f<\/h3>\n<p>\u5f53\u4fe1\u53f7\u901f\u7387\u8fbe\u5230 10 Gbps \u4ee5\u4e0a\u3001\u4e14\u8fc7\u5b54\u7684\u672a\u4f7f\u7528\u90e8\u5206\uff08Stub\uff09\u8f83\u957f\u65f6\uff0cStub \u4f1a\u5f62\u6210\u8c10\u632f\u5e76\u4e25\u91cd\u52a3\u5316\u4fe1\u53f7\u3002\u80cc\u94bb\u628a\u591a\u4f59\u7684\u5b54\u58c1\u94bb\u6389\u53ef\u4ee5\u6d88\u9664\u8fd9\u4e00\u5f71\u54cd\u3002\u662f\u5426\u9700\u8981\u53d6\u51b3\u4e8e\u901f\u7387\u4e0e\u677f\u539a\uff0c\u4e00\u822c 10 Gbps \u4ee5\u4e0b\u4e0d\u5fc5\u8003\u8651\u3002<\/p>\n<h3>6. \u4e3a\u4ec0\u4e48\u5de5\u5382\u7ecf\u5e38\u4f1a\u6539\u6211\u7684\u7ebf\u5bbd\uff1f<\/h3>\n<p>\u56e0\u4e3a\u5de5\u5382\u638c\u63e1\u5b9e\u9645\u7684\u53e0\u6784\u4ecb\u8d28\u539a\u5ea6\u4e0e Dk \u5b9e\u6d4b\u503c\uff0c\u800c\u8bbe\u8ba1\u8f6f\u4ef6\u91cc\u586b\u7684\u5f80\u5f80\u662f\u6807\u79f0\u503c\u3002\u4e24\u8005\u6709\u504f\u5dee\u65f6\uff0c\u6309\u539f\u7ebf\u5bbd\u505a\u51fa\u6765\u7684\u963b\u6297\u5c31\u4e0d\u8fbe\u6807\u3002\u56e0\u6b64\u4e0b\u5355\u65f6\u6ce8\u660e\u300c\u5141\u8bb8\u5de5\u5382\u6309\u963b\u6297\u76ee\u6807\u8c03\u6574\u7ebf\u5bbd\u300d\uff0c\u662f\u66f4\u9ad8\u6548\u7684\u534f\u4f5c\u65b9\u5f0f\u3002<\/p>\n<h3>7. \u94dc\u539a\u9009 1 oz \u8fd8\u662f 2 oz\uff0c\u600e\u4e48\u5224\u65ad\uff1f<\/h3>\n<p>\u5148\u770b\u8f7d\u6d41\u9700\u6c42\uff0c\u518d\u770b\u7ebf\u8ddd\u80fd\u5426\u653e\u5bbd\u3002\u82e5\u5927\u7535\u6d41\u8d70\u7ebf\u6309 1 oz \u9700\u8981\u5f88\u5bbd\u624d\u80fd\u6ee1\u8db3\u8f7d\u6d41\uff0c\u4e14\u677f\u9762\u79ef\u7d27\u5f20\uff0c\u53ef\u8003\u8651 2 oz\uff1b\u4f46 2 oz \u7684\u6700\u5c0f\u7ebf\u8ddd\u5fc5\u987b\u653e\u5bbd\u5230 0.20 mm \u5de6\u53f3\uff0c\u4f1a\u727a\u7272\u5e03\u7ebf\u5bc6\u5ea6\u3002\u4e24\u8005\u662f\u76f8\u4e92\u5236\u7ea6\u7684\uff0c\u9700\u8981\u4e00\u8d77\u8bc4\u4f30\u3002<\/p>\n<h3>8. \u6253\u6837\u548c\u91cf\u4ea7\u7528\u540c\u4e00\u5bb6\u5de5\u5382\u6709\u5fc5\u8981\u5417\uff1f<\/h3>\n<p>\u5f88\u6709\u5fc5\u8981\u3002\u4e0d\u540c\u5de5\u5382\u7684\u8680\u523b\u8865\u507f\u3001\u538b\u5408\u53c2\u6570\u3001\u6750\u6599\u4f9b\u5e94\u5546\u90fd\u53ef\u80fd\u4e0d\u540c\uff0c\u6362\u5382\u76f8\u5f53\u4e8e\u91cd\u65b0\u505a\u4e00\u6b21\u5de5\u827a\u9002\u914d\u3002\u82e5\u5fc5\u987b\u6362\u5382\uff0c\u5efa\u8bae\u5148\u505a\u5c0f\u6279\u91cf\u9a8c\u8bc1\uff0c\u5e76\u4e3b\u52a8\u63d0\u4f9b\u6253\u6837\u9636\u6bb5\u7684\u5b9e\u6d4b\u6570\u636e\u4f5c\u4e3a\u53c2\u8003\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"1080\" height=\"608\" class=\"alignnone size-large wp-image-8721\" src=\"https:\/\/www.jingpengpcb.com\/wp-content\/uploads\/2023\/08\/high-speed-pcb-design-via.jpg\" alt=\"Considerations for Via Design in High-Speed PCB Design\" srcset=\"https:\/\/www.jingpengpcb.com\/wp-content\/uploads\/2023\/08\/high-speed-pcb-design-via.jpg 1080w, https:\/\/www.jingpengpcb.com\/wp-content\/uploads\/2023\/08\/high-speed-pcb-design-via-300x169.jpg 300w, https:\/\/www.jingpengpcb.com\/wp-content\/uploads\/2023\/08\/high-speed-pcb-design-via-1024x576.jpg 1024w, https:\/\/www.jingpengpcb.com\/wp-content\/uploads\/2023\/08\/high-speed-pcb-design-via-768x432.jpg 768w\" sizes=\"auto, (max-width: 1080px) 100vw, 1080px\" \/><\/p>\n<p><strong>Additional Information<\/strong>\uff1a<a href=\"\/en\/blog\/34-commonly-used-ipc-standards-for-printed-circuit-boards\/\">34 Common IPC Standards for Printed Circuit Boards<\/a> \u00b7 <a href=\"\/en\/blog\/commonly-used-standards-for-printed-circuit-boards\/\">A Comprehensive Overview of Common Printed Circuit Board Standards<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>\u5370\u5236\u7535\u8def\u677f\u8bbe\u8ba1\u91cc\uff0c\u771f\u6b63\u8ba9\u9879\u76ee\u8fd4\u5de5\u7684\u5f80\u5f80\u4e0d\u662f\u590d\u6742\u7684\u4eff\u771f\uff0c\u800c\u662f\u51e0\u4e2a\u5728\u6700\u5f00\u59cb\u5c31\u6ca1\u5b9a\u6e05\u695a\u7684\u57fa\u7840\u53c2\u6570\uff1a\u7528\u51e0\u5c42\u677f\u3001\u7ebf\u5bbd\u8d70\u591a [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":5699,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"slim_seo":{"title":"How to Determine Basic PCB Design Parameters? FAQs on Layer Count, Trace Width, Via Sizes, and Impedance","description":"PCB\u8bbe\u8ba1\u6700\u5e38\u8fd4\u5de5\u7684\u516d\u9879\u53c2\u6570\uff1a\u6309BGA\u95f4\u8ddd\u5b9a\u5c42\u6570\u3001\u7ebf\u5bbd\u8f7d\u6d41\u3001\u8fc7\u5b54\u539a\u5f84\u6bd4\u3001\u963b\u6297\u63a7\u5236\u3001\u710a\u76d8\u5b54\u73af\u5339\u914d\u3001\u539a\u94dc\u7ebf\u8ddd\u653e\u5bbd\uff0c\u9644\u5de5\u827a\u80fd\u529b\u5bf9\u7167\u8868\u3002"},"_slim_seo_primary_term_category":0,"_slim_seo_primary_term_post_tag":0,"footnotes":""},"categories":[408,26],"tags":[],"class_list":["post-13349","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-hdi-special-boards","category-blog"],"_links":{"self":[{"href":"https:\/\/www.jingpengpcb.com\/en\/wp-json\/wp\/v2\/posts\/13349","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.jingpengpcb.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.jingpengpcb.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.jingpengpcb.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.jingpengpcb.com\/en\/wp-json\/wp\/v2\/comments?post=13349"}],"version-history":[{"count":5,"href":"https:\/\/www.jingpengpcb.com\/en\/wp-json\/wp\/v2\/posts\/13349\/revisions"}],"predecessor-version":[{"id":19989,"href":"https:\/\/www.jingpengpcb.com\/en\/wp-json\/wp\/v2\/posts\/13349\/revisions\/19989"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.jingpengpcb.com\/en\/wp-json\/wp\/v2\/media\/5699"}],"wp:attachment":[{"href":"https:\/\/www.jingpengpcb.com\/en\/wp-json\/wp\/v2\/media?parent=13349"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.jingpengpcb.com\/en\/wp-json\/wp\/v2\/categories?post=13349"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.jingpengpcb.com\/en\/wp-json\/wp\/v2\/tags?post=13349"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}