{"id":6362,"date":"2023-08-01T01:57:06","date_gmt":"2023-08-01T01:57:06","guid":{"rendered":"https:\/\/www.besterpcba.com\/?p=6362"},"modified":"2023-08-01T01:57:06","modified_gmt":"2023-08-01T01:57:06","slug":"what-is-coefficient-of-expansion","status":"publish","type":"post","link":"https:\/\/www.besterpcba.com\/ko\/%ed%99%95%ec%9e%a5-%ea%b3%84%ec%88%98%eb%9e%80-%eb%ac%b4%ec%97%87%ec%9d%b8%ea%b0%80%ec%9a%94\/","title":{"rendered":"\ud655\uc7a5 \uacc4\uc218\ub780 \ubb34\uc5c7\uc778\uac00\uc694?"},"content":{"rendered":"<h2 class=\"wp-block-heading\" id=\"what-is-coefficient-of-expansion\">\ud655\uc7a5 \uacc4\uc218\ub780 \ubb34\uc5c7\uc778\uac00\uc694?<\/h2>\n\n\n<p>\uc5f4\ud33d\ucc3d \uacc4\uc218(CTE)\ub77c\uace0\ub3c4 \ud558\ub294 \ud33d\ucc3d \uacc4\uc218\ub294 \uc628\ub3c4 \ubcc0\ud654\uc5d0 \ub530\ub77c \uc7ac\ub8cc\uac00 \ud33d\ucc3d\ud558\uac70\ub098 \uc218\ucd95\ud558\ub294 \uc18d\ub3c4\ub97c \ub098\ud0c0\ub0c5\ub2c8\ub2e4. PCB \uc0b0\uc5c5\uc758 \ub9e5\ub77d\uc5d0\uc11c\ub294 \ud2b9\ud788 PCB \uc7ac\ub8cc\uac00 \uac00\uc5f4\ub420 \ub54c \ud33d\ucc3d\ud558\ub294 \uac83\uacfc \uad00\ub828\uc774 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p>CTE\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \uc7ac\ub8cc\uac00 \uc12d\uc528 1\ub3c4\uc529 \uac00\uc5f4\ub420 \ub54c\ub9c8\ub2e4 \ud655\uc7a5\ub418\ub294 \ubc31\ub9cc\ubd84\uc758 1(ppm)\ub85c \ud45c\uc2dc\ub429\ub2c8\ub2e4. \uc774\ub294 \ubcf4\ub4dc\uc758 \uc2e0\ub8b0\uc131\uacfc \uc131\ub2a5\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce60 \uc218 \uc788\uc73c\ubbc0\ub85c PCB\uc758 \uc124\uacc4 \ubc0f \uc81c\uc870 \uc2dc \uace0\ub824\ud574\uc57c \ud560 \uc911\uc694\ud55c \ud2b9\uc131\uc785\ub2c8\ub2e4. PCB \uae30\ud310\uc758 CTE\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \uad6c\ub9ac\ubcf4\ub2e4 \ub192\uc2b5\ub2c8\ub2e4. \uae30\ud310\uacfc \uad6c\ub9ac \uc0ac\uc774\uc758 \uc774\ub7ec\ud55c CTE \ucc28\uc774\ub294 PCB\uac00 \uac00\uc5f4\ub420 \ub54c \uc0c1\ud638 \uc5f0\uacb0 \ubb38\uc81c\ub97c \uc77c\uc73c\ud0ac \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub530\ub77c\uc11c PCB \uc81c\uc870\uc5d0 \uc0ac\uc6a9\ub418\ub294 \uc7ac\ub8cc\uc758 CTE\ub97c \uc774\ud574\ud558\uace0 \uad00\ub9ac\ud558\ub294 \uac83\uc774 \uc911\uc694\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p>PCB \uc7ac\ub8cc\uc758 CTE\ub294 \uc7ac\ub8cc\uc758 \uad6c\uc131\uacfc \uad6c\uc870\ub97c \ube44\ub86f\ud55c \ub2e4\uc591\ud55c \uc694\uc778\uc758 \uc601\ud5a5\uc744 \ubc1b\uc2b5\ub2c8\ub2e4. X\ucd95\uacfc Y\ucd95(\uc218\ud3c9 \ubc29\ud5a5)\uc758 \uacbd\uc6b0, \uc774\ub7ec\ud55c \ubc29\ud5a5\uc73c\ub85c \uc18c\uc7ac\ub97c \uc81c\ud55c\ud558\ub294 \uc9c1\uc870 \uc720\ub9ac\uc758 \uc874\uc7ac\ub85c \uc778\ud574 \uc77c\ubc18\uc801\uc73c\ub85c CTE\ub294 \uc12d\uc528 10~20ppm \uc815\ub3c4\ub85c \ub0ae\uc2b5\ub2c8\ub2e4. \uadf8\ub7ec\ub098 Z \ubc29\ud5a5(\uc218\uc9c1 \ubc29\ud5a5)\uc5d0\uc11c\ub294 \uc5f4\ud33d\ucc3d\uc744 \uc218\uc6a9\ud558\uae30 \uc704\ud574 \uc18c\uc7ac\uac00 \ud33d\ucc3d\ud560 \uc218 \uc788\uc5b4\uc57c \ud558\ubbc0\ub85c Z \ucd95\uc744 \ub530\ub77c CTE\uac00 \ub0ae\uc740 \uac83\uc774 \ubc14\ub78c\uc9c1\ud569\ub2c8\ub2e4. Z\ucd95\uc744 \ub530\ub77c \uc12d\uc528 70\ub3c4 \ubbf8\ub9cc\uc758 CTE\ub97c \ubaa9\ud45c\ub85c \ud558\ub294 \uac83\uc774 \uc88b\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\uc720\ub9ac \uc804\uc774 \uc628\ub3c4(Tg)\ub294 CTE \uace1\uc120\uc758 \uc784\uacc4\uc810\uc785\ub2c8\ub2e4. \uc7ac\ub8cc\uc758 \uac70\ub3d9\uc774 \ubcc0\ud558\ub294 \uc628\ub3c4\uc774\uba70, \uc628\ub3c4\uac00 Tg\ub97c \ucd08\uacfc\ud558\uba74 \uae30\ud310\uc774 \uc5f0\ud654\ub418\uc5b4 \ub354 \uc774\uc0c1 \ud33d\ucc3d\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. CTE\uc640 \uad00\ub828\ud558\uc5ec PCB \uc7ac\ub8cc\uc758 Tg\ub97c \uace0\ub824\ud558\ub294 \uac83\uc774 \uc911\uc694\ud569\ub2c8\ub2e4.<\/p>\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\">\uc790\uc8fc \ubb3b\ub294 \uc9c8\ubb38<\/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-coefficient-of-expansion\">\ud655\uc7a5 \uacc4\uc218\ub780 \ubb34\uc5c7\uc778\uac00\uc694?<\/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>\ud33d\ucc3d \uacc4\uc218\ub294 \uc77c\uc815\ud55c \uc555\ub825\uc744 \uc720\uc9c0\ud55c \uc0c1\ud0dc\uc5d0\uc11c \ud2b9\uc815 \uc628\ub3c4(\uc77c\ubc18\uc801\uc73c\ub85c 0\u00b0C)\uc5d0\uc11c\uc758 \uc6d0\ub798 \uae38\uc774, \uba74\uc801 \ub610\ub294 \ubd80\ud53c\uc5d0 \ub300\ud55c \uc628\ub3c4 1\ub3c4 \uc99d\uac00\ub2f9 \ubb3c\uccb4\uc758 \uae38\uc774, \uba74\uc801 \ub610\ub294 \ubd80\ud53c \ubcc0\ud654\uc758 \ube44\uc728\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \ud33d\ucc3d\uc131\uc774\ub77c\uace0\ub3c4 \ud569\ub2c8\ub2e4.<\/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-coefficient-of-thermal-expansion-of-fr4-pcb\">FR4 PCB\uc758 \uc5f4\ud33d\ucc3d \uacc4\uc218\ub294 \ubb34\uc5c7\uc785\ub2c8\uae4c?<\/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>FR4 PCB\uc758 \uc5f4\ud33d\ucc3d \uacc4\uc218(CTE)\ub294 17~19ppm\/C\uc785\ub2c8\ub2e4. \uc774 CTE\ub294 \uc720\uae30 \ud328\ud0a4\uc9c0\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \uc0b0\uc5c5\uc774 \ubc1c\uc804\ud568\uc5d0 \ub530\ub77c \ub0ae\uc740 CTE \ud328\ud0a4\uc9c0\uc5d0 \ub300\ud55c \uc218\uc694\uac00 \uc99d\uac00\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4. \ub530\ub77c\uc11c \uc138\ub77c\ubbf9 \ud328\ud0a4\uc9c0 \ub610\ub294 DDA\/\ud50c\ub9bd \uce69 \uad6c\uc131 \uc694\uc18c\uc5d0 \ub9de\uac8c CTE\ub97c \uc870\uc815\ud560 \uc218 \uc788\ub294 PCB\uac00 \ud544\uc694\ud569\ub2c8\ub2e4.<\/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-typical-cte-values\">\uc77c\ubc18\uc801\uc778 CTE \uac12\uc740 \ubb34\uc5c7\uc785\ub2c8\uae4c?<\/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>\uc77c\ubc18\uc801\uc73c\ub85c \uae08\uc18d\uc758 \uc5f4\ud33d\ucc3d \uacc4\uc218(CTE) \uac12\uc740 \uc77c\ubc18\uc801\uc73c\ub85c \uc138\ub77c\ubbf9(\ub0ae\uc740 \uac12)\uacfc \ud3f4\ub9ac\uba38(\ub192\uc740 \uac12) \uc0ac\uc774\uc5d0 \uc788\uc2b5\ub2c8\ub2e4. \uae08\uc18d\uacfc \ud569\uae08\uc740 10~30\u00d710 \ubc94\uc704\uc758 CTE \uac12\uc744 \uac16\ub294 \uac83\uc774 \uc77c\ubc18\uc801\uc785\ub2c8\ub2e4.<sup>-<\/sup><sup>6<\/sup>\/K(5.5 ~ 16.5\u00d710<sup>-<\/sup><sup>6<\/sup>\/\u00b0F).<\/p>\n<\/div><\/div>\n<\/div><\/div>\n<\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>\ud655\uc7a5 \uacc4\uc218\ub780 \ubb34\uc5c7\uc778\uac00\uc694?<\/p>\n<p>\uc5f4\ud33d\ucc3d\uacc4\uc218(CTE)\ub77c\uace0\ub3c4 \ud558\ub294 \ud33d\ucc3d\uacc4\uc218\ub294 \uc628\ub3c4 \ubcc0\ud654\uc5d0 \ub530\ub77c \uc7ac\ub8cc\uac00 \ud33d\ucc3d\ud558\uac70\ub098 \uc218\ucd95\ud558\ub294 \ube44\uc728\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4.<\/p>","protected":false},"author":1,"featured_media":0,"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":"Coefficient of Expansion","glossary_alter":"","glossary_def":"","article_task":"","footnotes":""},"categories":[15],"tags":[13,14],"class_list":["post-6362","post","type-post","status-publish","format-standard","hentry","category-glossary","tag-glossary","tag-ng"],"_links":{"self":[{"href":"https:\/\/www.besterpcba.com\/ko\/wp-json\/wp\/v2\/posts\/6362","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.besterpcba.com\/ko\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.besterpcba.com\/ko\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.besterpcba.com\/ko\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.besterpcba.com\/ko\/wp-json\/wp\/v2\/comments?post=6362"}],"version-history":[{"count":1,"href":"https:\/\/www.besterpcba.com\/ko\/wp-json\/wp\/v2\/posts\/6362\/revisions"}],"predecessor-version":[{"id":7243,"href":"https:\/\/www.besterpcba.com\/ko\/wp-json\/wp\/v2\/posts\/6362\/revisions\/7243"}],"wp:attachment":[{"href":"https:\/\/www.besterpcba.com\/ko\/wp-json\/wp\/v2\/media?parent=6362"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.besterpcba.com\/ko\/wp-json\/wp\/v2\/categories?post=6362"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.besterpcba.com\/ko\/wp-json\/wp\/v2\/tags?post=6362"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}