{"id":4532,"date":"2023-05-29T06:18:59","date_gmt":"2023-05-29T06:18:59","guid":{"rendered":"https:\/\/www.besterpcba.com\/?p=4532"},"modified":"2023-07-26T05:56:17","modified_gmt":"2023-07-26T05:56:17","slug":"what-is-annular-ring","status":"publish","type":"post","link":"https:\/\/www.besterpcba.com\/zh_hk\/%e4%bb%80%e4%b9%88%e6%98%af%e7%8e%af%e5%bd%a2\/","title":{"rendered":"\u4ec0\u4e48\u662f\u73af\u5f62\u5bc6\u5c01\u5708"},"content":{"rendered":"<div class=\"wp-block-group glossary_def\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h2 class=\"wp-block-heading\" id=\"annular-ring-definition\">\u73af\u5f62\u5bc6\u5c01\u5708\u7684\u5b9a\u4e49<\/h2>\n\n\n<p>PCB \u884c\u4e1a\u4e2d\u7684\u73af\u5f62\u5708\u662f\u6307\u94bb\u5b54\u548c\u52a0\u5de5\u5b54\u5468\u56f4\u7684\u94dc\u57ab\u533a\u57df\uff0c\u7528\u4e8e\u5728\u901a\u5b54\u548c\u94dc\u7ebf\u4e4b\u95f4\u5efa\u7acb\u826f\u597d\u7684\u8fde\u63a5\u3002\u5b83\u662f\u6839\u636e\u5916\u5c42\u710a\u76d8\u76f4\u5f84\u3001\u7535\u9540\u5b54\u76f4\u5f84\u548c\u5de5\u5177\u5c3a\u5bf8\u8ba1\u7b97\u5f97\u51fa\u7684\u3002\u73af\u5f62\u5708\u7684\u5c3a\u5bf8\u5b9a\u4e49\u4e3a\u5176\u5916\u5f84\u4e0e\u5185\u5f84\u4e4b\u95f4\u7684\u8ddd\u79bb\uff0c\u5373\u4e24\u8005\u534a\u5f84\u4e4b\u5dee\u3002\u5b83\u662f\u4efb\u4f55\u5370\u5237\u7535\u8def\u677f\uff08\u5c24\u5176\u662f\u591a\u5c42\u5370\u5237\u7535\u8def\u677f\uff09\u7684\u91cd\u8981\u7ec4\u6210\u90e8\u5206\uff0c\u8d77\u5230\u7535\u8def\u951a\u5b9a\u7684\u4f5c\u7528\u3002<\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faqs\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h2 class=\"wp-block-heading\" id=\"frequently-asked-questions\">\u5e38\u89c1\u95ee\u9898<\/h2>\n\n\n<div class=\"wp-block-group glossary_faq\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group glossary_faq_q\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h3 class=\"wp-block-heading\" id=\"what-is-the-recommended-annular-ring\">\u63a8\u8350\u7684\u73af\u5f62\u5708\u662f\u4ec0\u4e48\uff1f<\/h3><\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq_a\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p>\u5efa\u8bae\u5fae\u578b\u901a\u5b54\/\u6fc0\u5149\u94bb\u5b54\u7684\u73af\u5f62\u73af\u81f3\u5c11\u4e3a 2 \u5bc6\u8033\uff0c\u800c\u673a\u68b0\u94bb\u5b54\u7684\u73af\u5f62\u73af\u81f3\u5c11\u4e3a 4 \u5bc6\u8033\u3002\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0cCAM \u8f6f\u4ef6\u4e2d\u7684\u73af\u5f62\u6d4b\u91cf\u662f\u57fa\u4e8e\u94bb\u5b54\u5c3a\u5bf8\uff0c\u800c\u4e0d\u662f\u6210\u54c1\u5b54\u5c3a\u5bf8\u3002<\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group glossary_faq_q\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h3 class=\"wp-block-heading\" id=\"what-is-the-minimum-annular-ring-on-a-pcb\">\u5370\u5237\u7535\u8def\u677f\u4e0a\u7684\u6700\u5c0f\u73af\u5f62\u5708\u662f\u591a\u5c11\uff1f<\/h3><\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq_a\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p>\u5370\u5237\u7535\u8def\u677f\u5185\u5c42\u73af\u5f62\u5708\u7684\u6700\u5c0f\u5bbd\u5ea6\u4e3a 0.1 \u6beb\u7c73\uff0c\u5916\u5c42\u73af\u5f62\u5708\u7684\u6700\u5c0f\u5bbd\u5ea6\u4e3a 0.05 \u6beb\u7c73\u3002<\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group glossary_faq_q\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h3 class=\"wp-block-heading\" id=\"do-vias-need-annular-rings\">\u901a\u5b54\u9700\u8981\u73af\u5f62\u5708\u5417\uff1f<\/h3><\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq_a\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p>\u5728\u591a\u5c42\u5370\u5237\u7535\u8def\u677f\u4e2d\uff0c\u5fc5\u987b\u786e\u4fdd\u901a\u5b54\u5468\u56f4\u6709\u8db3\u591f\u7684\u94dc\uff0c\u4ee5\u4fbf\u5728\u94dc\u7ebf\u548c\u901a\u5b54\u4e4b\u95f4\u5efa\u7acb\u7262\u56fa\u7684\u8fde\u63a5\u3002\u73af\u5f62\u73af\u7684\u4e3b\u8981\u76ee\u7684\u662f\u5728\u901a\u5b54\u548c\u94dc\u7ebf\u4e4b\u95f4\u5efa\u7acb\u53ef\u9760\u7684\u8fde\u63a5\u3002<\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group glossary_faq_q\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h3 class=\"wp-block-heading\" id=\"what-is-outer-layer-annular-ring\">\u4ec0\u4e48\u662f\u5916\u5c42\u73af\u5f62\u5bc6\u5c01\u5708\uff1f<\/h3><\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq_a\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p>\u5982\u679c\u94bb\u5b54\u504f\u79bb\u4e2d\u5fc3\uff0c\u4f4d\u4e8e\u710a\u76d8\u5916\u7f18\u548c\u710a\u5b54\u4e4b\u95f4\u7684\u533a\u57df\u53ef\u80fd\u4f1a\u51fa\u73b0\u73af\u5f62\u65ad\u88c2\u3002\u8fd9\u79cd\u60c5\u51b5\u7684\u53d1\u751f\u53d6\u51b3\u4e8e\u5b54\u7684\u6807\u79f0\u76f4\u5f84\u4e0e\u710a\u76d8\u7684\u6807\u79f0\u5916\u5f84\u7684\u6bd4\u8f83\u3002<\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group glossary_faq_q\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h3 class=\"wp-block-heading\" id=\"what-is-the-purpose-of-the-annular-ring\">\u73af\u5f62\u5bc6\u5c01\u5708\u7684\u4f5c\u7528\u662f\u4ec0\u4e48\uff1f<\/h3><\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq_a\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p>\u73af\u5f62\u73af\u662f\u6307\u5bfc\u7535\u94dc\u57ab\u8fb9\u7f18\u4e0e\u901a\u5b54\u94bb\u5b54\u4e4b\u95f4\u7684\u533a\u57df\u3002\u901a\u5b54\u662f\u5370\u5237\u7535\u8def\u677f\u5404\u5c42\u4e4b\u95f4\u7684\u4e92\u8fde\u8282\u70b9\u3002<\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group glossary_faq_q\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h3 class=\"wp-block-heading\" id=\"what-size-is-a-standard-annular-ring\">\u6807\u51c6\u73af\u5f62\u5bc6\u5c01\u5708\u7684\u5c3a\u5bf8\u662f\u591a\u5c11\uff1f<\/h3><\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq_a\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p>\u73af\u5f62\u94bb\u5934\u7684\u6700\u5c0f\u5bbd\u5ea6\u901a\u5e38\u4e3a 0.15 \u6beb\u7c73\uff086 \u6beb\u7c73\uff09\uff0c\u6570\u63a7\u94bb\u5934\u7684\u5c3a\u5bf8\u4ece 0.2 \u6beb\u7c73\u5230 6.3 \u6beb\u7c73\u4e0d\u7b49\u3002<\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group glossary_faq_q\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h3 class=\"wp-block-heading\" id=\"what-is-the-annual-ring-in-pcb\">PCB \u7684\u5e74\u73af\u6bd4\u662f\u591a\u5c11\uff1f<\/h3><\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq_a\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p>\u5728\u8bbe\u8ba1\u591a\u5c42\u5370\u5237\u7535\u8def\u677f\u65f6\uff0c\u901a\u5e38\u4f7f\u7528\u901a\u5b54\u5c06\u7ebf\u8def\u4ece\u4e00\u5c42\u94fa\u8bbe\u5230\u53e6\u4e00\u5c42\u3002\u8fd9\u4e9b\u901a\u5b54\u662f\u901a\u8fc7\u5728\u5370\u5237\u7535\u8def\u677f\u8868\u9762\u7684\u94dc\u57ab\u4e0a\u94bb\u5b54\u800c\u5f62\u6210\u7684\u3002\u73af\u5f62\u5708\u6307\u7684\u662f PCB \u4e0a\u4e0b\u4e24\u9762\u901a\u5b54\u5468\u56f4\u7684\u5269\u4f59\u94dc\u91cf\u3002<\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group glossary_faq_q\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h3 class=\"wp-block-heading\" id=\"what-is-the-maximum-allowable-pcb-deflection\">\u5370\u5237\u7535\u8def\u677f\u7684\u6700\u5927\u5141\u8bb8\u6320\u5ea6\u662f\u591a\u5c11\uff1f<\/h3><\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq_a\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p>\u6839\u636e IPC \u6807\u51c6\uff0c\u5e26\u6709\u8868\u9762\u8d34\u88c5\u5668\u4ef6\u7684 PCB \u7535\u8def\u677f\u7684\u6700\u5927\u5141\u8bb8\u53d8\u5f62\u91cf\u9650\u5236\u4e3a <b>0.75%<\/b>\u800c\u5bf9\u4e8e\u65e0\u8868\u9762\u8d34\u88c5\u7684 PCB \u677f\uff0c\u6700\u5927\u5141\u8bb8\u53d8\u5f62\u91cf\u4e3a 1.5%\u3002<\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group glossary_faq_q\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h3 class=\"wp-block-heading\" id=\"what-is-standard-pcb-hole-tolerance\">\u4ec0\u4e48\u662f\u6807\u51c6\u7684 PCB \u5b54\u516c\u5dee\uff1f<\/h3><\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq_a\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p>\u5370\u5237\u7535\u8def\u677f\uff08PCB\uff09\u4e0a\u5b54\u7684\u516c\u5dee\u901a\u5e38\u7531\u5236\u9020\u5546\u89c4\u5b9a\u4e3a <b>\u00b10.004<\/b>.\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u65e0\u8bba\u5f15\u7ebf\u5904\u4e8e\u516c\u5dee\u8303\u56f4\u7684\u4e0a\u9650\u8fd8\u662f\u4e0b\u9650\uff0c\u90fd\u5fc5\u987b\u6b63\u786e\u5730\u63d2\u5165\u5b54\u4e2d\u3002<\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group glossary_faq_q\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h3 class=\"wp-block-heading\" id=\"what-is-the-difference-between-class-2-and-class-3-annular-rings\">2 \u7ea7\u548c 3 \u7ea7\u73af\u5f62\u5361\u73af\u6709\u4ec0\u4e48\u533a\u522b\uff1f<\/h3><\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq_a\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p>\u6839\u636e\u89c4\u8303\uff0c2 \u7ea7\u5141\u8bb8 5% \u7684\u5b54\u6709\u7a7a\u9699\uff0c\u800c 3 \u7ea7\u4e0d\u5141\u8bb8\u6709\u4efb\u4f55\u7a7a\u9699\u3002\u6b64\u5916\uff0c2 \u7ea7\u7684\u9540\u5c42\u539a\u5ea6\u8981\u6c42\u4e3a 0.8 \u5bc6\u8033\uff0c\u4f4e\u4e8e 3 \u7ea7\u7684 1 \u5bc6\u8033\u3002\u4ee5\u4e0a\u662f\u7b2c 2 \u7c7b\u548c\u7b2c 3 \u7c7b\u8981\u6c42\u7684\u4e00\u4e9b\u5dee\u5f02\u3002<\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group glossary_faq_q\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h3 class=\"wp-block-heading\" id=\"what-is-the-difference-between-annular-and-circular\">\u73af\u5f62\u548c\u5706\u5f62\u6709\u4ec0\u4e48\u533a\u522b\uff1f<\/h3><\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq_a\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p>\u73af\u9762\u662f\u7531\u4e24\u4e2a\u540c\u5fc3\u5706\u6784\u6210\u7684\u5e73\u9762\u4e8c\u7ef4\u5f62\u72b6\uff0c\u5448\u5706\u5f62\u3002\u8fd9\u4e24\u4e2a\u5706\u4e4b\u95f4\u7684\u7a7a\u95f4\u6216\u533a\u57df\u79f0\u4e3a\u73af\u9762\u3002\u7531\u4e8e\u5b83\u662f\u4e00\u4e2a\u5706\u5f62\u56fe\u5f62\uff0c\u56e0\u6b64\u5176\u8fb9\u754c\u7531\u5171\u4eab\u540c\u4e00\u4e2d\u5fc3\u7684\u4e24\u4e2a\u5706\u6784\u6210\u3002<\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group glossary_faq_q\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h3 class=\"wp-block-heading\" id=\"how-do-you-calculate-the-annular-ring-of-via\">\u5982\u4f55\u8ba1\u7b97\u901a\u5b54\u7684\u73af\u5f62\u5708\uff1f<\/h3><\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq_a\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p>\u8981\u786e\u5b9a\u73af\u5f62\u94a2\u5708\u7684\u5bbd\u5ea6\uff0c\u53ef\u4ee5\u4f7f\u7528\u4e0b\u9762\u7684\u516c\u5f0f\uff1a <b>(\u57ab\u7247\u76f4\u5f84 - \u901a\u9053\u76f4\u5f84\uff09\u00f7 2<\/b>.\u8be5\u516c\u5f0f\u6709\u52a9\u4e8e\u7cbe\u786e\u6d4b\u91cf\u548c\u8ba1\u7b97\u73af\u5f62\u94a2\u5708\u3002<\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group glossary_faq_q\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h3 class=\"wp-block-heading\" id=\"what-size-is-a-through-hole-annular-ring\">\u901a\u5b54\u73af\u7684\u5c3a\u5bf8\u662f\u591a\u5c11\uff1f<\/h3><\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq_a\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p>\u6807\u51c6\u7684\u6700\u5c0f\u73af\u5f62\u5c3a\u5bf8\u901a\u5e38\u4e3a 0.05 \u6beb\u7c73\u3002\u8981\u8ba1\u7b97\u57ab\u7247\u76f4\u5f84\uff0c\u53ef\u4ee5\u5c06 0.05 \u6beb\u7c73\u52a0\u5230 0.3 \u6beb\u7c73\uff0c\u5c06\u7ed3\u679c\u52a0\u500d\uff0c\u7136\u540e\u518d\u52a0\u5230\u5b54\u5f84\u4e0a\u3002\u8fd9\u6837\u5c31\u5f97\u51fa\u4e86\u6240\u9700\u7684\u57ab\u7247\u76f4\u5f84\u3002<\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group glossary_faq_q\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h3 class=\"wp-block-heading\" id=\"what-is-the-inner-layer-of-the-annual-ring\">\u5e74\u8f6e\u7684\u5185\u5c42\u662f\u4ec0\u4e48\uff1f<\/h3><\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq_a\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p>\u6728\u8d28\u90e8\u8d1f\u8d23\u5411\u6574\u68f5\u6811\u8f93\u9001\u6c34\u5206\uff0c\u7531\u4f4d\u4e8e\u5185\u4fa7\u7684\u6728\u8d28\u90e8\u7ec6\u80de\u5f62\u6210\u3002\u6211\u4eec\u89c2\u5bdf\u5230\u7684\u6811\u6728\u5e74\u8f6e\u5c31\u662f\u6728\u8d28\u90e8\u5c42\u5f62\u6210\u7684\u7ed3\u679c\u3002<\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group glossary_faq_q\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h3 class=\"wp-block-heading\" id=\"what-is-annular-ring-shank\">\u4ec0\u4e48\u662f\u73af\u5f62\u67c4\uff1f<\/h3><\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq_a\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p>\u73af\u5f62\u73af\u6216\u73af\u5f62\u67c4\u9489\u5b50\u7684\u67c4\u4e0a\u8bbe\u8ba1\u6709\u73af\u5f62\u73af\uff0c\u7528\u4e8e\u6728\u6750\u65f6\u53ef\u63d0\u9ad8\u6293\u5730\u529b\u548c\u989d\u5916\u7684\u6297\u6027\u3002\u7531\u4e8e\u9489\u67c4\u4e0a\u7684\u73af\u5f62\u73af\u5177\u6709\u6297\u6027\uff0c\u56e0\u6b64\u8fd9\u7c7b\u9489\u5b50\u9002\u5408\u7528\u4e8e\u5899\u9aa8\u6216\u9732\u53f0\u677f\u3002<\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group glossary_faq_q\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h3 class=\"wp-block-heading\" id=\"why-is-it-called-annular\">\u4e3a\u4ec0\u4e48\u53eb\u73af\u5f62\uff1f<\/h3><\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq_a\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p>\u73af\u98df \"\u4e00\u8bcd\u6e90\u4e8e\u62c9\u4e01\u8bed \"annulus\"\uff0c\u610f\u601d\u662f\u73af\u3002\u73af\u98df\u4ee5\u5176\u6700\u5927\u70b9\u6216\u6700\u6697\u70b9\u547d\u540d\uff0c\u5373\u4f7f\u5b83\u53d1\u751f\u7684\u65f6\u95f4\u5f88\u77ed\u3002\u5982\u679c\u4ece\u81f3\u5c11\u4e00\u4e2a\u4f4d\u7f6e\u53ef\u4ee5\u770b\u5230\u660e\u663e\u7684\u706b\u73af\uff0c\u5219\u8be5\u65e5\u98df\u88ab\u5f52\u7c7b\u4e3a\u65e5\u73af\u98df\u3002<\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group glossary_faq_q\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h3 class=\"wp-block-heading\" id=\"why-is-it-called-annulus\">\u4e3a\u4ec0\u4e48\u53eb \"\u73af\"\uff1f<\/h3><\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq_a\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p>\u73af\u9762\"\uff08\u590d\u6570--annuli\uff09\u4e00\u8bcd\u6e90\u4e8e\u62c9\u4e01\u8bed\uff0c\u610f\u4e3a \"\u5c0f\u73af\"\u3002\u73af\u6307\u4f4d\u4e8e\u4e24\u4e2a\u540c\u5fc3\u5706\u4e4b\u95f4\u7684\u533a\u57df\uff0c\u8fd9\u4e24\u4e2a\u540c\u5fc3\u5706\u4f4d\u4e8e\u540c\u4e00\u5e73\u9762\u5185\u5e76\u5171\u4eab\u540c\u4e00\u4e2d\u5fc3\u3002<\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group glossary_faq_q\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h3 class=\"wp-block-heading\" id=\"what-is-the-difference-between-annulus-and-annular\">\u73af\u5f62\u548c\u73af\u5f62\u6709\u4ec0\u4e48\u533a\u522b\uff1f<\/h3><\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq_a\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p>\u73af\u9762\uff0c\u590d\u6570\u53ef\u79f0\u4e3a annuli \u6216 annuluses\uff0c\u662f\u4e00\u4e2a\u6570\u5b66\u672f\u8bed\uff0c\u7528\u4e8e\u63cf\u8ff0\u5171\u4eab\u540c\u4e00\u5706\u5fc3\u7684\u4e24\u4e2a\u5706\u4e4b\u95f4\u7684\u9762\u79ef\u3002\u5b83\u7684\u5f62\u72b6\u7c7b\u4f3c\u4e8e\u73af\u5f62\u6216\u4e94\u91d1\u57ab\u5708\u5f62\u3002\u73af\u9762 \"\u4e00\u8bcd\u6e90\u4e8e\u62c9\u4e01\u8bed \"anulus \"\u6216 \"annulus\"\uff0c\u610f\u601d\u662f \"\u5c0f\u73af\"\u3002\u6b64\u5916\uff0cannulus \u7684\u5f62\u5bb9\u8bcd\u5f62\u5f0f\u662f annular\uff0c\u5982 \"\u73af\u98df \"\u4e00\u8bcd\u3002<\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group glossary_faq_q\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h3 class=\"wp-block-heading\" id=\"what-is-the-aspect-ratio-of-a-pcb\">\u5370\u5237\u7535\u8def\u677f\u7684\u957f\u5bbd\u6bd4\u662f\u591a\u5c11\uff1f<\/h3><\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq_a\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p>\u5370\u5237\u7535\u8def\u677f\u957f\u5bbd\u6bd4\u7684\u5b9a\u4e49\u4e0e\u901a\u5b54\u6df1\u5ea6\u548c\u76f4\u5f84\u4e4b\u95f4\u7684\u5173\u7cfb\u6709\u5173\u3002\u5177\u4f53\u6765\u8bf4\uff0c\u5b83\u662f\u5b54\u6df1\u5ea6\u4e0e\u5b54\u76f4\u5f84\u4e4b\u6bd4\u3002\u4f8b\u5982\uff0c\u901a\u5b54\u76f4\u5f84\u4e3a 0.020 \u82f1\u5bf8\u3001\u7eb5\u6a2a\u6bd4\u4e3a 3 \u6bd4 1 \u7684\u7535\u8def\u677f\u539a\u5ea6\u4e3a 0.062 \u82f1\u5bf8\u3002<\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group glossary_faq_q\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h3 class=\"wp-block-heading\" id=\"what-are-the-different-types-of-ring-sizes\">\u6212\u6307\u5c3a\u5bf8\u6709\u54ea\u4e9b\u7c7b\u578b\uff1f<\/h3><\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq_a\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p>\u8981\u786e\u5b9a\u5408\u9002\u7684\u6212\u6307\u5c3a\u5bf8\uff0c\u5fc5\u987b\u6ce8\u610f\u6807\u51c6\u6212\u6307\u5c3a\u5bf8\u6bcf\u589e\u52a0\u534a\u4e2a\u5c3a\u5bf8\u5c31\u4f1a\u589e\u52a0 0.4 \u6beb\u7c73\u3002\u4f8b\u5982\uff0c3 \u53f7\u6212\u6307\u7684\u5c3a\u5bf8\u4e3a 14 \u6beb\u7c73\uff0c\u800c 3.5 \u53f7\u6212\u6307\u7684\u5c3a\u5bf8\u4e3a 14.4 \u6beb\u7c73\u3002\u540c\u6837\uff0c4 \u53f7\u6212\u6307\u7684\u5c3a\u5bf8\u4e3a 14.8 \u6beb\u7c73\u3002\u901a\u5e38\uff0c\u5973\u58eb\u6212\u6307\u7684\u5c3a\u5bf8\u4ece 3 \u53f7\uff0814 \u6beb\u7c73\uff09\u5230 9 \u53f7\uff0819 \u6beb\u7c73\uff09\u4e0d\u7b49\uff0c\u800c\u7537\u58eb\u6212\u6307\u7684\u5c3a\u5bf8\u901a\u5e38\u5728 8 \u53f7\uff0818.2 \u6beb\u7c73\uff09\u5230 14 \u53f7\uff0823 \u6beb\u7c73\uff09\u4e4b\u95f4\u3002<\/p>\n<\/div><\/div>\n<\/div><\/div>\n<\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>\u73af\u5f62\u5bc6\u5c01\u5708\u7684\u5b9a\u4e49<\/p>\n<p>PCB \u884c\u4e1a\u4e2d\u7684\u73af\u5f62\u5708\u662f\u6307\u94bb\u5b54\u548c\u52a0\u5de5\u5b54\u5468\u56f4\u7684\u94dc\u57ab\u533a\u57df\uff0c\u7528\u4e8e\u5728\u901a\u5b54\u548c\u94dc\u7ebf\u4e4b\u95f4\u5efa\u7acb\u826f\u597d\u7684\u8fde\u63a5\u3002<\/p>","protected":false},"author":1,"featured_media":4750,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"article_term":"","article_term_alternate":"","article_term_def":"","article_hook":"","auto_links":"","article_topic":"","article_fact_check":"","mt_social_share":"","mt_content_meta":"","mt_glossary_display":"","glossary_heading":"","glossary":"Annular 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