{"id":20572,"date":"2022-01-24T10:17:01","date_gmt":"2022-01-24T02:17:01","guid":{"rendered":"https:\/\/www.paiqinano.com\/?p=20572"},"modified":"2022-01-15T15:12:54","modified_gmt":"2022-01-15T07:12:54","slug":"pcb%e5%b8%83%e7%ba%bf%e8%ae%be%e8%ae%a1%e5%8e%9f%e5%88%99%e5%8f%8a%e5%af%b9%e5%b8%83%e7%ba%bf%e8%ae%be%e8%ae%a1%e7%9a%84%e5%b7%a5%e8%89%ba%e8%a6%81%e6%b1%82","status":"publish","type":"post","link":"https:\/\/www.paiqinano.com\/?p=20572","title":{"rendered":"PCB\u5e03\u7ebf\u8bbe\u8ba1\u539f\u5219\u53ca\u5bf9\u5e03\u7ebf\u8bbe\u8ba1\u7684\u5de5\u827a\u8981\u6c42"},"content":{"rendered":"<p>\n\t\uff08\u4e00\uff09 <u>\u8d70\u7ebf<\/u>\u8bbe\u8ba1\u539f\u7406<\/p>\n<p>\n\t\uff11\uff0e\u7ebf\u5e94\u9632\u6b62\u949d\u89d2\u3001\u659c\u89d2\u3002\u9009\u7528\uff14\uff15\u00b0\u5e03\u7ebf\u3002<\/p>\n<p>\n\t\uff12\uff0e\u90bb\u8fd1\u5c42<u>\u7535\u6e90\u7ebf<\/u>\u4e3a\u6b63\u4ea4\u548c\u65b9\u4f4d\u3002<\/p>\n<p>\n\t\uff13\uff0e\u9ad8\u9891\u7387\u6570\u636e\u4fe1\u53f7\u5c3d\u91cf\u77ed\u3002<\/p>\n<p>\n\t\uff14\uff0e \u952e\u5165\u3001\u5bfc\u51fa\u6570\u636e\u4fe1\u53f7\u5c3d\u91cf\u51cf\u5c11\u90bb\u8fd1\u5e73\u884c\u9762\u5e03\u7ebf\uff0c\u6700\u597d\u662f\u7ebf\u4e0a\u95f4\u52a0\u63a5\u5730\u7ebf\uff0c\u9632\u6b62\u610f\u89c1\u53cd\u9988<u>\u85d5\u5408<\/u>\u3002<\/p>\n<p>\n\t\uff15\uff0e<u>\u5355\u9762\u677f<\/u>\u7535\u6e90\u63d2\u5934\u3001\u63a5\u5730\u7ebf\u7684\u8fc8\u5411\u6700\u597d\u662f\u4e0e\u6570\u636e\u6d41\u5206\u6790\u5411\u4e00\u81f4\uff0c\u4ee5\u63d0\u9ad8\u6297\u566a\u97f3\u5de5\u4f5c\u80fd\u529b\u3002<\/p>\n<p>\n\t\uff16\uff0e 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\u4e00\u6574\u5757pcb\u7ebf\u8def\u677f\u8d70\u7ebf\u3001\u5f00\u6d1e\u8981\u5300\u79f0\uff0c\u9632\u6b62\u51fa\u73b0\u663e\u8457\u7684\u4eb2\u758f\u4e0d\u5747\u5300\u7684\u72b6\u51b5\u3002\u5f53\u5370\u5236\u7535\u8def\u677f\u7684\u8868\u5c42\u6570\u636e\u4fe1\u53f7\u6709\u5927\u9762\u79ef\u7a7a\u7f3a\u5730\u533a\u65f6\uff0c\u5e94\u52a0\u7b49\u5206\u7ebf\u4f7f\u8868\u9762\u91d1\u5c5e\u4e1d\u904d\u5e03\u57fa\u672c\u4e0a\u5747\u8861\u3002<\/p>\n<p>\n\t\uff08\u4e8c\uff09 \u5bf9\u8d70\u7ebf\u8bbe\u8ba1\u65b9\u6848\u7684\u6280\u672f\u89c4\u5b9a<\/p>\n<p>\n\t\uff11\uff0e\u901a\u5e38\u5927\u5bb6\u8d70\u7ebf\u65f6\u6700\u5e38\u89c1\u7684\u5e03\u7ebf\u603b\u5bbd\u3001\u8fc7\u5b54\u89c4\u683c\uff1a<\/p>\n<p>\n\t\u7559\u610f\uff1aBGA \u5c01\u88c5\u5f62\u5f0f\u5143\u5668\u4ef6\u4e0b\u8fb9\u7684\u901a\u5b54\uff0c\u4f9d\u636e\u5236\u4f5c\u5de5\u827a\u7684\u89c4\u5b9a\uff0c\u5fc5\u987b\u5728\u5176\u6b63\u3001\u53cd\u53cc\u9762\u7528\u963b\u710a\u5c42\u906e\u76d6\u3002<\/p>\n<p>\n\t1\uff09\u5f53\u5e03\u7ebf\u603b\u5bbd\u4e3a 0.3mm \u65f6<\/p>\n<p>\t<img decoding=\"async\" alt=\"PCB\u5e03\u7ebf\u8bbe\u8ba1\u539f\u5219\u53ca\u5bf9\u5e03\u7ebf\u8bbe\u8ba1\u7684\u5de5\u827a\u8981\u6c42\" src=\"\/wp-content\/uploads\/2021\/12\/20211215131659-61b9eacb55687.png\" \/><\/p>\n<p>\n\t<img decoding=\"async\" alt=\"PCB\u5e03\u7ebf\u8bbe\u8ba1\u539f\u5219\u53ca\u5bf9\u5e03\u7ebf\u8bbe\u8ba1\u7684\u5de5\u827a\u8981\u6c42\" src=\"\/wp-content\/uploads\/2021\/12\/20211215131659-61b9eacb76ecf.png\" \/><\/p>\n<p>\n\t\u7279\u522b\u6ce8\u610f\u7684\u662f\uff0cBGA \u4e0b\u8fb9\u7684\u8fc7\u5b54\u548c\u710a\u5c42\u95f4\u901a\u5b54\u710a\u5c42\u7684\u8ddd\u79bb\u4e5f\u4e3a\u7ebf\u8ddd\u3002\u4e14\u56e0\u4e3a\u52a0\u5de5\u5de5\u827a\u9886\u57df\u7684\u96be\u5ea6\u7cfb\u6570\uff0c\u4e0d\u5efa\u8bae\u5e94\u7528 0.12mm \u7684\u7ebf\u8ddd\u3002<\/p>\n<p>\t<img decoding=\"async\" alt=\"PCB\u5e03\u7ebf\u8bbe\u8ba1\u539f\u5219\u53ca\u5bf9\u5e03\u7ebf\u8bbe\u8ba1\u7684\u5de5\u827a\u8981\u6c42\" src=\"\/wp-content\/uploads\/2021\/12\/20211215131659-61b9eacb93feb.png\" \/><\/p>\n<p>\n\t5\uff09\u5f53\u7ebf\u8ddd\u4e0d\u5927\u4e8e 0.12mm \u65f6\uff0c\u8fc7\u5b54\u710a\u5c42\u5fc5\u987b\u52a0\u6ef4\u6cea\uff0c\u8868\u683c\u4e2d\u7684 T \u5373\u610f\u5473\u7740\u5fc5\u987b\u52a0\u6ef4\u6cea\u3002\u5f53\u6728\u677f\u7684\u89c4\u683c\u8d85\u8fc7 600mm \u65f6\uff0c\u901a\u5b54\u7684\u710a\u5c42\u603b\u5bbd\u5fc5\u987b\u6269\u5927 0.1mm\u3002\u8868\u683c\u4e2d\u4f01\u4e1a\uff1amm<\/p>\n<p>\n\t<img decoding=\"async\" alt=\"PCB\u5e03\u7ebf\u8bbe\u8ba1\u539f\u5219\u53ca\u5bf9\u5e03\u7ebf\u8bbe\u8ba1\u7684\u5de5\u827a\u8981\u6c42\" src=\"\/wp-content\/uploads\/2021\/12\/20211215131659-61b9eacbaf604.png\" \/><\/p>\n<p>\t<img decoding=\"async\" alt=\"PCB\u5e03\u7ebf\u8bbe\u8ba1\u539f\u5219\u53ca\u5bf9\u5e03\u7ebf\u8bbe\u8ba1\u7684\u5de5\u827a\u8981\u6c42\" src=\"\/wp-content\/uploads\/2021\/12\/20211215131659-61b9eacbce267.png\" \/><\/p>\n<p>\n\t\u9488\u5bf9\u975e\u5b54\u5316\u5b54\uff0c\u963b\u710a\u7a97\u76f4\u5f91\uff08the solder resist window\uff09\u5e94\u5f53\u6bd4\u5b54\u7684\u5b54\u5f84\u59270.50mm\u3002\u800c\u8868\u9762\u5371\u9669\u6807\u5fd7\u603b\u5bbd\u4e5f\u7531\u5b54\u7684\u89c4\u683c\u51b3\u7b56\uff0c\u5f53\u5b54\u7684\u76f4\u5f91\u4e0d\u5927\u4e8e 3.3mm \u65f6\uff0c\u5176\u8303\u7574\u662f \u201c\u76f4\u5f84 2.0\u201d \uff1b\u5f53\u5b54\u7684\u76f4\u5f91\u8d85\u8fc7 3.3mm \u65f6\uff0c\u5176\u8303\u7574\u662f\u76f4\u5f84\u76841.6 \u500d\u3002\u91cc\u5c42\u7684\u5371\u9669\u6807\u5fd7\u8303\u7574\u662f \u201c\u76f4\u5f84 2.0mm\u201d<\/p>\n<p>\n\t\uff12\uff0e\u5b9e\u9645\u7684\u8d70\u7ebf\u6807\u51c6\uff1a<\/p>\n<p>\n\t1\uff09\u5f00\u5173\u7535\u6e90\u548c\u5730\u7684\u8d70\u7ebf<\/p>\n<p>\n\t\u5c3d\u53ef\u80fd\u5f97\u51fa\u72ec\u7acb\u7684\u8fc7\u5b54\u548c\u6700\u5e95\u5c42\uff1b\u5373\u4f7f\u8981\u5728\u8868\u9762\u540a\u7ebf\uff0c\u7535\u6e90\u63d2\u5934\u548c\u63a5\u5730\u7ebf\u4e5f\u9700\u8981\u5c3d\u53ef\u80fd\u7684\u77ed\u4e14\u8981\u975e\u5e38\u7684\u7c97\u3002<\/p>\n<p>\n\t\u9488\u5bf9\u5b9e\u6728\u591a\u5c42\u677f\uff0c\u4e00\u822c\u90fd\u662f\u6709\u7535\u6e90\u5c42\u548c\u5730\u8d28\u6784\u9020\u3002\u5fc5\u987b\u7559\u610f\u7684\u4ec5\u4ec5\u4eff\u771f\u6a21\u62df\u4e00\u90e8\u5206\u548c\u6570\u636e\u4e00\u90e8\u5206\u7684\u5730\u548c\u5f00\u5173\u7535\u6e90\u5373\u4f7f\u5de5\u4f5c\u7535\u538b\u540c\u6837\u4e5f\u9700\u8981\u5207\u5206\u8d77\u6765\u3002<\/p>\n<p>\n\t\u9488\u5bf9\u5355\u4e24\u5c42\u677f\u7535\u6e90\u63d2\u5934\u5e94\u5c3d\u53ef\u80fd\u7c97\u800c\u77ed\u3002\u7535\u6e90\u63d2\u5934\u548c\u63a5\u5730\u7ebf\u7684\u603b\u5bbd\u89c4\u5b9a\u53ef\u4ee5\u4f9d\u636e 1mm\u7684\u7ebf\u8ddd\u8f83\u5927\u76f8\u5339\u914d 1A \u7684<u>\u7535\u6d41\u91cf<\/u>\u6765\u6d4b\u7b97\uff0c\u5f00\u5173\u7535\u6e90\u548c\u5730\u7ec4\u6210\u7684\u73af\u57ce\u8def\u5c3d\u53ef\u80fd\u5c0f\u3002<\/p>\n<p>\n\t\u5982\u4e0b\u56fe\uff1a<\/p>\n<p align=\"center\">\n\t<img decoding=\"async\" src=\"\/wp-content\/uploads\/2021\/12\/20211215131659-61b9eacbe9451.jpg\" \/><\/p>\n<p>\n\t\u4e3a\u4e86\u907f\u514d\u7535\u6e90\u63d2\u5934\u8f83\u957f\u65f6\uff0c\u7535\u6e90\u63d2\u5934\u4e0a\u7684\u85d5\u5408\u6742\u8baf\u76f4\u63a5\u8fdb\u5165\u8d1f\u8377\u5143\u5668\u4ef6\uff0c\u5e94\u5728\u8fdb\u5230\u6bcf\u4e00\u4e2a\u5143\u5668\u4ef6\u4ee5\u524d\uff0c\u5148\u541124v\u7535\u6e90\u53bb\u85d5\u3002\u4e14\u4e3a\u4e86\u907f\u514d\u4ed6\u4eec\u5f7c\u6b64\u4e4b\u95f4\u7684\u4e92\u76f8\u5f71\u54cd\uff0c\u5bf9\u6bcf\u4e00\u4e2a\u8d1f\u8377\u7684\u5f00\u5173\u7535\u6e90\u5355\u72ec\u53bb\u85d5\uff0c\u5e76\u4fdd\u8bc1\u5148\u8fc7\u6ee4\u518d\u8fdb\u5230\u8d1f\u8377\u3002<\/p>\n<p>\n\t\u5982\u4e0b\u56fe\uff1a<\/p>\n<p align=\"center\">\n\t<img decoding=\"async\" src=\"\/wp-content\/uploads\/2021\/12\/20211215131700-61b9eacc0f95a.jpg\" \/><\/p>\n<p>\n\t\u5728\u8d70\u7ebf\u4e2d\u5e94\u7ef4\u6301\u63a5\u5730\u88c5\u7f6e\u4f18\u826f\u3002\u5982\u4e0b\u56fe\uff1a<\/p>\n<p align=\"center\">\n\t<img decoding=\"async\" src=\"\/wp-content\/uploads\/2021\/12\/20211215131700-61b9eacc282c4.png\" \/><\/p>\n<p>\n\t2.\u72ec\u7279\u7535\u6e90\u7ebf\u8d70\u7ebf<\/p>\n<p>\n\tA.\u949f\u8868\u7684\u8d70\u7ebf\uff1a<\/p>\n<p>\n\t\u949f\u8868\u7ebf\u505a\u4e3a\u5bf9 <u>EMC<\/u> \u5371\u5bb3\u8f83\u5927\u7684\u539f\u56e0\u4e4b\u4e00\u3002\u5728\u949f\u8868\u7ebf\u8981\u5c11\u6253\u4e86\u5b54\uff0c\u5c3d\u91cf\u51cf\u5c11\u548c \u5176\u4ed6\u7ebf\u63a5\u5934\u5e76\u8fd0\u884c\u7ebf\uff0c\u4e14\u5e94\u907f\u5f00\u4e00\u822c\u7535\u6e90\u7ebf\uff0c\u9632\u6b62\u5bf9\u7535\u6e90\u7ebf\u7684\u5f71\u54cd\u3002<\/p>\n<p>\n\t\u4e0e\u6b64\u540c\u65f6\u5e94\u7ed5\u5f00\u677f\u4e0a\u7684\u5f00\u5173\u7535\u6e90\u4e00\u90e8\u5206\uff0c\u4ee5\u907f\u514d\u5f00\u5173\u7535\u6e90\u548c\u949f\u8868\u76f8\u4e92\u4e4b\u95f4\u5f71\u54cd\u3002<\/p>\n<p>\n\t\u5f53\u4e00\u5757\u7535\u8def\u677f\u4e0a\u4f7f\u7528\u597d\u51e0\u4e2a\u4e0d\u4e00\u6837\u6b21\u6570\u7684\u949f\u8868\u65f6\uff0c\u4e8c\u6839\u4e0d\u4e00\u6837\u6b21\u6570\u7684\u949f\u8868\u7ebf\u4e0d\u80fd\u5e76\u884c\u5904\u7406 \u5e03\u7ebf\u3002<\/p>\n<p>\n\t\u949f\u8868\u7ebf\u8fd8\u5e94\u5c3d\u91cf\u51cf\u5c11\u6328\u8fd1\u5bfc\u51fa<u>\u63d2\u53e3<\/u>\uff0c\u907f\u514d\u9ad8\u9891\u7387\u949f\u8868\u85d5\u5408\u5230\u5bfc\u51fa\u7684 cable \u7f51\u4e0a\u5e76 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