\uc5f4\ud33d\ucc3d \uacc4\uc218(CTE)\ub294 PCB \uc7ac\ub8cc\uac00 \uc628\ub3c4 \ubcc0\ud654\uc5d0 \ub178\ucd9c\ub420 \ub54c \ud33d\ucc3d\ud558\uac70\ub098 \uc218\ucd95\ud558\ub294 \uc18d\ub3c4\ub97c \uc815\ub7c9\ud654\ud558\ub294 \ub9e4\uac1c\ubcc0\uc218\uc785\ub2c8\ub2e4. \uc77c\ubc18\uc801\uc73c\ub85c \uc12d\uc528 \uc628\ub3c4\ub2f9 \ubc31\ub9cc\ubd84\uc758 1(ppm\/\u00b0C) \ub2e8\uc704\ub85c \uce21\uc815\ub429\ub2c8\ub2e4. CTE\ub294 \ubcf4\ub4dc\uc758 \uc2e0\ub8b0\uc131\uacfc \uc131\ub2a5\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce58\uae30 \ub54c\ubb38\uc5d0 \uc911\uc694\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n
PCB \uc7ac\ub8cc\uac00 \uc628\ub3c4 \ubcc0\ud654\ub97c \ubc1b\uc73c\uba74 \uc5f4 \uc5d0\ub108\uc9c0\uc758 \uc99d\uac00 \ub610\ub294 \uac10\uc18c\ub85c \uc778\ud574 \ud33d\ucc3d \ub610\ub294 \uc218\ucd95\uc744 \uacaa\uc2b5\ub2c8\ub2e4. CTE \uac12\uc740 \uc628\ub3c4 \ubcc0\ud654 \uc12d\uc528 1\ub3c4\ub2f9 \ubc1c\uc0dd\ud558\ub294 \uce58\uc218 \ubcc0\ud654\ub7c9\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4. CTE \uac12\uc774 \ub192\uc744\uc218\ub85d \uc7ac\ub8cc\uac00 \uc628\ub3c4 \ubcc0\ud654\uc5d0 \ub530\ub77c \ub354 \ud06c\uac8c \ud33d\ucc3d\ud558\uac70\ub098 \uc218\ucd95\ud55c\ub2e4\ub294 \uac83\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4.<\/p>\n\n\n\n
PCB \uc81c\uc791\uc5d0 \uc0ac\uc6a9\ub418\ub294 \ub2e4\uc591\ud55c \uc18c\uc7ac\uc758 CTE \uac12\uc744 \uace0\ub824\ud558\ub294 \uac83\uc774 \uc911\uc694\ud569\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, FR-4\uc640 \uac19\uc740 \uae30\ud310 \uc7ac\ub8cc\uc758 CTE\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \uc804\ub3c4\uc131 \ud2b8\ub808\uc774\uc2a4\uc5d0 \uc77c\ubc18\uc801\uc73c\ub85c \uc0ac\uc6a9\ub418\ub294 \uad6c\ub9ac\ubcf4\ub2e4 \ub192\uc2b5\ub2c8\ub2e4. \uae30\ud310\uacfc \uad6c\ub9ac \uc0ac\uc774\uc758 CTE \ubd88\uc77c\uce58\ub294 \uc628\ub3c4 \uc0ac\uc774\ud074\ub9c1 \uc911\uc5d0 PCB\uc5d0 \uc751\ub825\uacfc \ubcc0\ud615\uc744 \ucd08\ub798\ud558\uc5ec \ubc15\ub9ac \ub610\ub294 \uade0\uc5f4\uacfc \uac19\uc740 \uc2e0\ub8b0\uc131 \ubb38\uc81c\ub97c \uc77c\uc73c\ud0ac \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n
CTE \uac12\uc740 \ud33d\ucc3d \ubc29\ud5a5\uc5d0 \ub530\ub77c \ub2ec\ub77c\uc9c8 \uc218 \uc788\uc2b5\ub2c8\ub2e4. PCB\uc758 \uc218\ud3c9 \ubc29\ud5a5\uc744 \ub098\ud0c0\ub0b4\ub294 X\ucd95\uacfc Y\ucd95\uc5d0\uc11c\ub294 \uc7ac\ub8cc\uc758 \ud33d\ucc3d\uc744 \uc81c\ud55c\ud558\ub294 \uc9c1\uc870 \uc720\ub9ac \ubcf4\uac15\uc7ac\uac00 \uc874\uc7ac\ud558\uae30 \ub54c\ubb38\uc5d0 \uc77c\ubc18\uc801\uc73c\ub85c CTE \uac12\uc774 \ub0ae\uc2b5\ub2c8\ub2e4. \uadf8\ub7ec\ub098 PCB \ud45c\uba74\uc5d0 \uc218\uc9c1\uc778 Z\ucd95\uc5d0\uc11c\ub294 \uc7ac\ub8cc\uac00 \uc790\uc720\ub86d\uac8c \ud33d\ucc3d\ud558\uac70\ub098 \uc218\ucd95\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub530\ub77c\uc11c \uc774 \ubc29\ud5a5\uc5d0\uc11c PCB\uc758 \ud33d\ucc3d\uacfc \uc218\ucd95\uc744 \uc904\uc774\ub824\uba74 Z\ucd95\uc744 \ub530\ub77c CTE\ub97c \ucd5c\uc18c\ud654\ud558\ub294 \uac83\uc774 \uc911\uc694\ud569\ub2c8\ub2e4. \uc774\uc0c1\uc801\uc73c\ub85c\ub294 Z\ucd95\uc744 \ub530\ub77c 70ppm\/\u00b0C \ubbf8\ub9cc\uc758 CTE\uac00 \uad8c\uc7a5\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n
\ub610 \ub2e4\ub978 \uc911\uc694\ud55c \uce21\uba74\uc740 \uc720\ub9ac \uc804\uc774 \uc628\ub3c4(Tg)\uc785\ub2c8\ub2e4. Tg\ub294 \uc7ac\ub8cc\uac00 \ub531\ub531\ud55c \uc0c1\ud0dc\uc5d0\uc11c \ubcf4\ub2e4 \uc720\uc5f0\ud55c \uc0c1\ud0dc\ub85c \uc804\ud658\ub418\ub294 \uc628\ub3c4\uc785\ub2c8\ub2e4. Tg\ub97c \ucd08\uacfc\ud558\uba74 \uce58\uc218 \ubcc0\ud654\uc640 \uc7a0\uc7ac\uc801\uc778 \uc2e0\ub8b0\uc131 \ubb38\uc81c\uac00 \ubc1c\uc0dd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub530\ub77c\uc11c PCB\ub97c \uc124\uacc4\ud558\uace0 \uc81c\uc870\ud560 \ub54c Tg\ub97c \uace0\ub824\ud558\ub294 \uac83\uc774 \ud544\uc218\uc801\uc785\ub2c8\ub2e4.<\/p>","protected":false},"excerpt":{"rendered":"
\uc5f4\ud33d\ucc3d\uacc4\uc218(CTE)\ub780 \ubb34\uc5c7\uc778\uac00\uc694?<\/p>\n
\uc5f4\ud33d\ucc3d \uacc4\uc218(CTE)\ub294 PCB \uc18c\uc7ac\uac00 \uc628\ub3c4 \ubcc0\ud654\uc5d0 \ub178\ucd9c\ub420 \ub54c \ud33d\ucc3d\ud558\uac70\ub098 \uc218\ucd95\ud558\ub294 \uc18d\ub3c4\ub97c \uc815\ub7c9\ud654\ud558\ub294 \ub9e4\uac1c\ubcc0\uc218\uc785\ub2c8\ub2e4.<\/p>","protected":false},"author":1,"featured_media":4750,"comment_status":"open","ping_status":"open","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 Thermal Expansion (CTE)","glossary_alter":"","glossary_def":"","article_task":"","footnotes":""},"categories":[15],"tags":[13,14],"class_list":["post-7547","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-glossary","tag-glossary","tag-ng"],"_links":{"self":[{"href":"https:\/\/www.besterpcba.com\/ko\/wp-json\/wp\/v2\/posts\/7547","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=7547"}],"version-history":[{"count":1,"href":"https:\/\/www.besterpcba.com\/ko\/wp-json\/wp\/v2\/posts\/7547\/revisions"}],"predecessor-version":[{"id":8926,"href":"https:\/\/www.besterpcba.com\/ko\/wp-json\/wp\/v2\/posts\/7547\/revisions\/8926"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.besterpcba.com\/ko\/wp-json\/wp\/v2\/media\/4750"}],"wp:attachment":[{"href":"https:\/\/www.besterpcba.com\/ko\/wp-json\/wp\/v2\/media?parent=7547"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.besterpcba.com\/ko\/wp-json\/wp\/v2\/categories?post=7547"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.besterpcba.com\/ko\/wp-json\/wp\/v2\/tags?post=7547"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}