{"id":10532,"date":"2025-12-12T08:39:12","date_gmt":"2025-12-12T08:39:12","guid":{"rendered":"https:\/\/www.besterpcba.com\/press-fit-ghost-failure\/"},"modified":"2025-12-12T08:42:57","modified_gmt":"2025-12-12T08:42:57","slug":"press-fit-ghost-failure","status":"publish","type":"post","link":"https:\/\/www.besterpcba.com\/ko\/%ed%94%84%eb%a0%88%ec%8a%a4-%ed%95%8f-%ec%9c%a0%eb%a0%b9-%ea%b3%a0%ec%9e%a5\/","title":{"rendered":"\u201c\uace0\uc2a4\ud2b8\u201d \uace0\uc7a5: \ud504\ub808\uc2a4\ud54f \ucee4\ub125\ud130\uac00 \uacf5\uc7a5\uc744 \ub5a0\ub09c \ud6c4 \uc65c \ubb38\uc81c\uac00 \ubc1c\uc0dd\ud558\ub294\uac00"},"content":{"rendered":"<p>\ubcf4\uace0\uc11c\ub97c \ubcf4\uc168\uc8e0. \uc0dd\uc0b0 \ub77c\uc778 \ub370\uc774\ud130\ub294 \uc804\ubc18\uc801\uc73c\ub85c \ubaa8\ub450 \uc591\ud638\ud588\uc2b5\ub2c8\ub2e4. \ubaa8\ub4e0 \uc0bd\uc785\ub825 \uace1\uc120\uc774 \uaddc\uaca9 \ub0b4\uc5d0 \uc788\uc5c8\uc2b5\ub2c8\ub2e4. \ub77c\uc778 \ub05d\uc5d0\uc11c\uc758 \uc720\uc9c0\ub825 \uac80\uc0ac\uc5d0\uc11c\ub294 \ud540\uc744 \ubd84\ub9ac\ud558\ub294 \ub370 \ud45c\uc900\uc778 30 \ub274\ud134\uc774 \ud544\uc694\ud588\uc2b5\ub2c8\ub2e4. \ud488\uc9c8 \ubcf4\uc99d \ub9e4\ub2c8\uc800\uac00 \uc2b9\uc778\ud588\uace0, \ud314\ub808\ud2b8\ub294 \ud3ec\uc7a5\ub418\uc5c8\uc73c\uba70, \ucee8\ud14c\uc774\ub108\ub294 \ubd80\ub450\ub97c \ub5a0\ub0ac\uc2b5\ub2c8\ub2e4. \uadf8\ub7f0\ub370\ub3c4 \uc138 \ub2ec \ud6c4 \ud604\uc7a5 \ubc18\ud488\uc774 \uc313\uc774\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uace0\uac1d\ub4e4\uc740 \uac04\ud5d0\uc801\uc778 \uc804\uc6d0 \uc190\uc2e4, \uc13c\uc11c \ub9ac\uc14b, \ub610\ub294 PCB\uc5d0\uc11c \ubb3c\ub9ac\uc801\uc73c\ub85c \ube60\uc838\ub098\uc628 \ucee4\ub125\ud130\ub97c \ubcf4\uace0\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\uc774\uac83\uc774 \ubc14\ub85c \uc778\ud130\ucee4\ub125\ud2b8 \uc138\uacc4\uc758 \"\uc720\ub839\" \uace0\uc7a5\uc785\ub2c8\ub2e4. \uc870\ub9bd \uc21c\uac04\uc5d0\ub294 \uc81c\ud488\uc774 \uc644\ubcbd\ud588\uae30 \ub54c\ubb38\uc5d0 \ubbf8\uce58\ub3c4\ub85d \ub2f5\ub2f5\ud569\ub2c8\ub2e4. \ub370\uc774\ud130\uc2dc\ud2b8\ub294 \ud540\uc774 \uad6c\uba4d\uc5d0 \ub9de\ub294\ub2e4\uace0 \ud588\uace0, \uc0bd\uc785 \uae30\uacc4\ub294 \ud798\uc774 \uc815\uc0c1\uc784\uc744 \ud655\uc778\ud588\uc2b5\ub2c8\ub2e4. \ud558\uc9c0\ub9cc \uc0c1\uc790\uac00 \ud14c\uc774\ud504\ub85c \ubd09\uc778\ub41c\ub2e4\uace0 \ud574\uc11c \ubb3c\ub9ac \ubc95\uce59\uc774 \uba48\ucd94\ub294 \uac83\uc740 \uc544\ub2d9\ub2c8\ub2e4. \uc0c1\uc628 \uac80\uc99d\uc5d0 \uc758\uc874\ud574 5\ub144\uac04\uc758 \uc5f4 \uc0ac\uc774\ud074 \ub3d9\uc548 \uc720\uc5f0\ud55c \ud540\uc758 \uac70\ub3d9\uc744 \uc608\uce21\ud55c\ub2e4\uba74, \uc2e0\ub8b0\uc131\uc744 \ud14c\uc2a4\ud2b8\ud558\ub294 \uac83\uc774 \uc544\ub2c8\ub77c \uc6b4\uc744 \uc2dc\ud5d8\ud558\ub294 \uac83\uc785\ub2c8\ub2e4. \uace0\uc7a5 \uba54\ucee4\ub2c8\uc998\uc740 \uc0bd\uc785\uc774 \uc544\ub2d9\ub2c8\ub2e4. \uadf8\uac83\uc740 \ud540, \uad6c\ub9ac \ubc30\ub7f4, \uadf8\ub9ac\uace0 \uc6b4\uc1a1 \ubc0f \uc791\ub3d9 \uc911 \uc7ac\ub8cc\uc758 \ub04a\uc784\uc5c6\ub294 \ud33d\ucc3d\uacfc \uc218\ucd95 \uc0ac\uc774\uc758 \ubcf4\uc774\uc9c0 \uc54a\ub294 \uc804\uc7c1\uc785\ub2c8\ub2e4.<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"the-physics-of-letting-go\">\ub193\uc544\uc8fc\ub294 \ubb3c\ub9ac\ud559<\/h2>\n\n\n<p>\ud540 \ube60\uc9d0\uc758 \uc6d0\uc778\uc744 \uc774\ud574\ud558\ub824\uba74 \ub9c8\ucc30\uc744 \uc78a\uc73c\uc138\uc694. \uc800\uc7a5\ub41c \uc5d0\ub108\uc9c0\ub97c \uc0dd\uac01\ud558\uc138\uc694. \ud504\ub808\uc2a4\ud54f \uc870\uc778\ud2b8\ub294 \uc720\uc5f0\ud55c \uc2a4\ud504\ub9c1(\ud540)\uc744 \ub2e8\ub2e8\ud55c \ubc30\ub7f4(\ub3c4\uae08\ub41c \uad00\ud1b5\ud640)\uc5d0 \uac15\uc81c\ub85c \uc0bd\uc785\ud588\uae30 \ub54c\ubb38\uc5d0 \uc791\ub3d9\ud569\ub2c8\ub2e4. \ud540\uc774 \uc555\ucd95\ub418\uc5b4 \uc7a0\uc7ac \uc5d0\ub108\uc9c0\ub97c \uc800\uc7a5\ud569\ub2c8\ub2e4. \uc774 \uc5d0\ub108\uc9c0\ub294 \uad6c\ub9ac \ubcbd\uc744 \ubc00\uc5b4\ub0b4\uba70, \ub9c8\ucc30\uacfc \uac00\uc2a4 \ubc00\ud3d0 \uc804\uae30 \ubc00\ubd09\uc744 \uc0dd\uc131\ud558\ub294 \"\ubc95\uc120\ub825\"\uc744 \ub9cc\ub4ed\ub2c8\ub2e4. \uccab\ub0a0\uc5d0\ub294 \uc774 \ud798\uc774 \ucd5c\uace0\uc870\uc5d0 \ub2ec\ud569\ub2c8\ub2e4. \uae08\uc18d\uc740 \ud0c4\ub825 \uc788\uace0, \uad6c\ub9ac\ub294 \uc2e0\uc120\ud558\uba70, \uace0\uc815\ub825\uc740 \uac15\ud569\ub2c8\ub2e4.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/www.besterpcba.com\/wp-content\/uploads\/2025\/12\/industrial-shipping-containers-port.jpg\" alt=\"\ud587\ubcd5\uc774 \uc798 \ub4dc\ub294 \ud56d\uad6c \ud658\uacbd\uc5d0\uc11c \uacf5\uae30 \uc911 \uc5f4 \uc65c\uace1\uc774 \ubcf4\uc774\ub294 \ub2e4\ucc44\ub85c\uc6b4 \uc0b0\uc5c5\uc6a9 \uc6b4\uc1a1 \ucee8\ud14c\uc774\ub108 \ub354\ubbf8.\" title=\"\uc6b4\uc1a1 \ucee8\ud14c\uc774\ub108\uc758 \uc5f4 \ub178\ucd9c\"\/><figcaption class=\"wp-element-caption\">\uc6b4\uc1a1\uc6a9 \ucee8\ud14c\uc774\ub108 \ub0b4\ubd80\uc758 \uc7a5\uae30\uac04 \uc5f4 \ub178\ucd9c\uc740 \ucee4\ub125\ud130 \uc7ac\ub8cc\uc758 \uc751\ub825 \uc774\uc644\uc744 \uac00\uc18d\ud654\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/figcaption><\/figure>\n<\/div>\n\n\n<p>\ud558\uc9c0\ub9cc \uae08\uc18d\uc740 \uc815\uc801\uc778 \uace0\uccb4\uac00 \uc544\ub2c8\ub77c \ud750\ub985\ub2c8\ub2e4. \uc2dc\uac04\uc774 \uc9c0\ub098\uba74\uc11c \ub192\uc740 \uc751\ub825\uacfc \uc628\ub3c4 \ud558\uc5d0\uc11c \uad6c\ub9ac \ud540\uacfc PCB \ub3c4\uae08\uc758 \uc6d0\uc790 \uad6c\uc870\uac00 \ub0b4\ubd80 \uc751\ub825\uc744 \uc644\ud654\ud558\uae30 \uc704\ud574 \uc7ac\ubc30\uc5f4\ub418\uae30 \uc2dc\uc791\ud569\ub2c8\ub2e4. \uc774\uac83\uc774 \uc751\ub825 \uc774\uc644\uc785\ub2c8\ub2e4. \ub300\ub9cc\uc758 \uc2b5\ud55c \uc5ec\ub984\uc5d0\uc11c \ub450\ubc14\uc774\uc758 \ucc3d\uace0\ub85c \ud574\uc0c1 \uc6b4\uc1a1\ub41c \uc0b0\uc5c5\uc6a9 \ucee8\ud2b8\ub864\ub7ec\ub97c \uc0dd\uac01\ud574 \ubcf4\uc138\uc694. \uadf8 \uc6b4\uc1a1 \ucee8\ud14c\uc774\ub108 \ub0b4\ubd80 \uc628\ub3c4\ub294 \ubc24\uc5d0\ub294 20\u00b0C, \ub0ae\uc5d0\ub294 60\u00b0C \uc774\uc0c1\uc73c\ub85c \uc27d\uac8c \ubcc0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. 4\uc8fc \ub3d9\uc548 \uadf8 \ucee4\ub125\ud130\ub294 \uad6c\uc6cc\uc9c0\uace0 \uc788\ub294 \uc148\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p>60\u00b0C\uc5d0\uc11c\ub294 \uc774\uc644 \uacfc\uc815\uc774 \uac00\uc18d\ub429\ub2c8\ub2e4. \ud540\uc758 \uad6c\ub9ac \ud569\uae08(\ud2b9\ud788 \uace0\uc131\ub2a5 \uc778\uc0b0\ub3d9 \ub610\ub294 \ubca0\ub9b4\ub968 \uad6c\ub9ac \ub300\uc2e0 \uc800\uae09 \ud669\ub3d9\uc778 \uacbd\uc6b0)\uc774 \ud56d\ubcf5\ud558\uae30 \uc2dc\uc791\ud569\ub2c8\ub2e4. \uc6d0\ub798 \ud615\ud0dc\ub97c \"\uc78a\uace0\" \uc555\ucd95\ub41c \ud615\ud0dc\ub85c \uc774\uc644\ub429\ub2c8\ub2e4. \uc7a5\uce58\uac00 \uacb0\uad6d \uc2dd\uc73c\uba74 \ud540\uc740 \uac19\uc740 \ud798\uc73c\ub85c \ub2e4\uc2dc \ud280\uc5b4 \ub098\uc624\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \uc9c4\ub3d9\uc5d0 \ub9de\uc11c \ucee4\ub125\ud130\ub97c \uace0\uc815\ud558\ub294 \uc720\uc77c\ud55c \ud798\uc778 \ubc95\uc120\ub825\uc774 \uac10\uc18c\ud569\ub2c8\ub2e4. \ucc98\uc74c\uc5d0\ub294 40 \ub274\ud134\uc758 \uc720\uc9c0\ub825\uc774 \uc788\uc5c8\uc9c0\ub9cc, \"\uc6b4\uc1a1 \ucee8\ud14c\uc774\ub108 \uc624\ube10\"\uc5d0\uc11c \ud55c \ub2ec \ud6c4\uc5d0\ub294 15 \ub274\ud134\uc73c\ub85c \ub5a8\uc5b4\uc9c8 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub9c8\ucc30\ub825\uc774 \uc0ac\ub77c\uc9c0\uace0, \uc9c0\uac8c\ucc28\uac00 \ud314\ub808\ud2b8\ub97c \ub5a8\uc5b4\ub728\ub9ac\ub294 \uccab \uc21c\uac04 \ubb34\uac70\uc6b4 \ucf00\uc774\ube14 \ud558\ub2c8\uc2a4\uc758 \uad00\uc131\uc73c\ub85c \ucee4\ub125\ud130\uac00 \ud480\ub824\ubc84\ub9bd\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\ubaa8\ub4e0 \uc6c0\uc9c1\uc784\uc774 \uace0\uc7a5\uc740 \uc544\ub2d9\ub2c8\ub2e4. \ud50c\ub77c\uc2a4\ud2f1 \ud558\uc6b0\uc9d5\uc744 \ud754\ub4e4\uba74 \uc57d\uac04\uc758 \"\ud754\ub4e4\ub9bc\"\uc744 \ub290\ub084 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub294 \uc885\uc885 QA\uc5d0\uc11c \uacf5\ud669\uc744 \uc77c\uc73c\ud0a4\uc9c0\ub9cc, \ud558\uc6b0\uc9d5\uc740 \uc720\uc9c0 \uba54\ucee4\ub2c8\uc998\uc774 \uc544\ub2d9\ub2c8\ub2e4; \ud540\uacfc \uad6c\uba4d\uc758 \uc778\ud130\ud398\uc774\uc2a4\uac00 \uc720\uc9c0 \uba54\ucee4\ub2c8\uc998\uc785\ub2c8\ub2e4. \ud50c\ub77c\uc2a4\ud2f1 \ud558\uc6b0\uc9d5\uc740 \ub5a0 \uc788\uc9c0\ub9cc \ud540\uc740 \uace0\uc815\ub418\uc5b4\uc57c \ud569\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \uadf8 \ud754\ub4e4\ub9bc\uc774 \ub3c4\uae08\ub41c \uad00\ud1b5\ud640 \ub0b4\uc5d0\uc11c \ud540 \uc790\uccb4\uc758 \uc6c0\uc9c1\uc784\uc73c\ub85c \uc774\uc5b4\uc9c0\uba74 \uac00\uc2a4 \ubc00\ud3d0 \ubc00\ubd09\uc774 \uae68\uc9d1\ub2c8\ub2e4. \uc0b0\ud654\uac00 \uc989\uc2dc \uc2dc\uc791\ub418\uace0 \uc800\ud56d\uc774 \uae09\uc99d\ud558\uba70 \uac04\ud5d0\uc801 \uace0\uc7a5\uc774 \ubc1c\uc0dd\ud569\ub2c8\ub2e4.<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"the-cold-war-cte-mismatch\">\ub0c9\uc804: CTE \ubd88\uc77c\uce58<\/h2>\n\n\n<p>\uc5f4\uc774 \uc2a4\ud504\ub9c1\uc744 \uc774\uc644\uc2dc\ud0a8\ub2e4\uba74, \ucd94\uc704\ub294 \uc7a0\uae08\uc744 \uae68\ub728\ub9bd\ub2c8\ub2e4. \ub450 \ubc88\uc9f8 \ubcf4\uc774\uc9c0 \uc54a\ub294 \uc801\uc740 \uc5f4\ud33d\ucc3d\uacc4\uc218(CTE)\uc785\ub2c8\ub2e4. \ubaa8\ub4e0 \uc7ac\ub8cc\ub294 \uc11c\ub85c \ub2e4\ub978 \ube44\uc728\ub85c \ud33d\ucc3d\ud558\uace0 \uc218\ucd95\ud569\ub2c8\ub2e4. PCB\uc758 FR4 \uc720\ub9ac\uc12c\uc720\ub294 Z\ucd95\uc5d0\uc11c \uc57d 14-17 ppm\/\u00b0C\uc758 CTE\ub97c \uac00\uc9d1\ub2c8\ub2e4. \ucee4\ub125\ud130 \ud558\uc6b0\uc9d5\uc758 PBT \ub610\ub294 \ub098\uc77c\ub860 \ud50c\ub77c\uc2a4\ud2f1\uc740 3~4\ubc30 \ub354 \ub192\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\uc2a4\uce78\ub514\ub098\ube44\uc544 \uaca8\uc6b8\uc5d0 \uc57c\uc678\uc5d0 \uc8fc\ucc28\ub41c \ucc28\ub7c9\uc758 \ub300\uc2dc\ubcf4\ub4dc \ud074\ub7ec\uc2a4\ud130\ub97c \uc0c1\uc0c1\ud574 \ubcf4\uc138\uc694. \uc628\ub3c4\uac00 -30\u00b0C\ub85c \ub5a8\uc5b4\uc9d1\ub2c8\ub2e4. \ud50c\ub77c\uc2a4\ud2f1 \ucee4\ub125\ud130 \ud558\uc6b0\uc9d5\uc740 \ud06c\uac8c \uc218\ucd95\ud558\ub824\uace0 \ud569\ub2c8\ub2e4. PCB\ub3c4 \uc218\ucd95\ud558\uc9c0\ub9cc \ud6e8\uc52c \uc801\uac8c \ud569\ub2c8\ub2e4. \ud50c\ub77c\uc2a4\ud2f1 \ud558\uc6b0\uc9d5\uc774 \uc218\ucd95\ud558\uba74\uc11c \ud540\uc744 \ub2f9\uae41\ub2c8\ub2e4. \ud540\uc774 \ubcf4\ub4dc\uc5d0 \uace0\uc815\ub418\uc5b4 \uc788\uc73c\ubbc0\ub85c \uc774\ub294 \uc5c4\uccad\ub09c \uc804\ub2e8 \ud558\uc911\uc744 \ub9cc\ub4ed\ub2c8\ub2e4. \ud558\uc6b0\uc9d5\uc740 \ubb38\uc790 \uadf8\ub300\ub85c \ud540\uc744 \uc606\uc73c\ub85c \ucc22\uac70\ub098 \uad6c\uba4d\uc5d0\uc11c \ubf51\uc544\ub0b4\ub824 \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\uc798 \uc124\uacc4\ub41c \uc2dc\uc2a4\ud15c\uc5d0\uc11c\ub294 \ud540\uc758 \uc720\uc5f0 \uad6c\uac04\uc774 \uc774 \uc751\ub825\uc744 \ud761\uc218\ud569\ub2c8\ub2e4. \ud540\uc774 \ud718\uc5b4\uc9d1\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \ud540\uc774 \ub108\ubb34 \ubee3\ubee3\ud558\uac70\ub098 \uc751\ub825 \uc774\uc644\uc73c\ub85c \uc720\uc9c0\ub825\uc774 \uc774\ubbf8 \uc57d\ud574\uc84c\ub2e4\uba74 \ud558\uc6b0\uc9d5\uc774 \uc774\uae41\ub2c8\ub2e4. \ud540\uc744 \uad6c\uba4d\uc5d0\uc11c \ubc00\uc5b4\ub0b4 \ubc84\ub9bd\ub2c8\ub2e4. \uc774\uac83\uc774 \ud604\uc7a5 \ubc18\ud488\uc5d0\uc11c \"\uae30\uc6b8\uc5b4\uc9c4\" \ucee4\ub125\ud130\ub97c \ubcf4\ub294 \uc774\uc720\uc785\ub2c8\ub2e4. \ucc98\uc74c\ubd80\ud130 \uadf8\ub7f0 \uac83\uc774 \uc544\ub2d9\ub2c8\ub2e4. \uc5d4\uc9c4\uc774 \uac00\uc5f4\ub418\uace0 \ub0c9\uac01\ub418\ub294 \ub9e4 \uc5f4 \uc0ac\uc774\ud074\ub9c8\ub2e4 \ubc00\ub9ac\ubbf8\ud130 \ub2e8\uc704\ub85c \uc810\ucc28\uc801\uc73c\ub85c \ube60\uc838\ub098\uac04 \uac83\uc785\ub2c8\ub2e4.<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"the-invisible-variable-the-hole\">\ubcf4\uc774\uc9c0 \uc54a\ub294 \ubcc0\uc218: \uad6c\uba4d<\/h2>\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/www.besterpcba.com\/wp-content\/uploads\/2025\/12\/macro-pcb-plated-through-hole.jpg\" alt=\"\ub179\uc0c9 \uc194\ub354 \ub9c8\uc2a4\ud06c\uc758 \uc9c8\uac10\uacfc \uae08\uc18d \ub9c1\uc774 \ub4dc\ub7ec\ub09c \ub2e8\uc77c \uae08\ub3c4\uae08 \uad00\ud1b5 \ud640\uc5d0 \ucd08\uc810\uc744 \ub9de\ucd98 \ub9e8 \ud504\ub9b0\ud2b8 \ud68c\ub85c \uae30\ud310\uc758 \uadf9\ub2e8\uc801 \ud074\ub85c\uc988\uc5c5.\" title=\"PCB \ub3c4\uae08 \uad00\ud1b5 \ud640 \ub9e4\ud06c\ub85c\"\/><figcaption class=\"wp-element-caption\">PCB \uad00\ud1b5\ud640 \ub0b4 \ub3c4\uae08 \ub450\uaed8\uc758 \ubcc0\ub3d9\uc740 \ud504\ub808\uc2a4\ud54f \ud540\uc758 \uae30\uacc4\uc801 \uace0\uc815\uc744 \uc190\uc0c1\uc2dc\ud0ac \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/figcaption><\/figure>\n<\/div>\n\n\n<p>\uc5d4\uc9c0\ub2c8\uc5b4\ub4e4\uc740 \ud540\uc5d0 \uc9d1\ucc29\ud569\ub2c8\ub2e4. \ud569\uae08\u2014C7025 \ub300 C5191\u2014\uacfc \"\ubc14\ub298 \uad6c\uba4d\"\uc758 \ud615\uc0c1\uc5d0 \ub300\ud574 \ub17c\uc7c1\ud569\ub2c8\ub2e4. \ud558\uc9c0\ub9cc \uad6c\uba4d\uc744 \uba74\ubc00\ud788 \uc870\uc0ac\ud558\ub294 \uacbd\uc6b0\ub294 \ub4dc\ubb45\ub2c8\ub2e4. \ub9ce\uc740 \uacbd\uc6b0 \ud540\uc740 \uad1c\ucc2e\uc9c0\ub9cc \ubcf4\ub4dc\ub294 \ucc98\uc74c\ubd80\ud130 \uc6b4\uba85\uc774 \uc815\ud574\uc838 \uc788\uc5c8\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\ud504\ub808\uc2a4\ud54f \ud640\uc758 \uc0ac\uc591\uc740 \ub9e4\uc6b0 \uc5c4\uaca9\ud569\ub2c8\ub2e4\u2014\uc644\uc131\ub41c \ud640 \ud06c\uae30\uc5d0 \ub300\ud574 +\/- 0.05mm\uc758 \uacf5\ucc28\uac00 \ud5c8\uc6a9\ub429\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \uc9c1\uacbd\ubcf4\ub2e4 \ub354 \uc911\uc694\ud55c \uac83\uc740 \ub3c4\uae08\uc758 \uc644\uc804\uc131\uc785\ub2c8\ub2e4. \ud45c\uc900 IPC-6012 Class 2 \ubcf4\ub4dc\ub294 \ubc30\ub7f4 \ub0b4 \uad6c\ub9ac \ub450\uaed8 \ud3c9\uade0 20\ub9c8\uc774\ud06c\ub860\uc744 \uc694\uad6c\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ud558\uc9c0\ub9cc \ub3c4\uae08\uc740 \uacb0\ucf54 \uade0\uc77c\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \ud640\uc758 \"\ubb34\ub98e\" \ubd80\ubd84\u2014\ubc30\ub7f4\uc774 \ud45c\uba74\uacfc \ub9cc\ub098\ub294 \ubaa8\uc11c\ub9ac\u2014\uc5d0\uc11c\ub294 \uc81c\uc870 \uc911 \uc804\ub958 \ubc00\ub3c4 \ubd84\ud3ec\ub85c \uc778\ud574 \ub3c4\uae08\uc774 \ub354 \uc587\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p>PCB \uacf5\uae09\uc5c5\uccb4\uac00 \ube44\uc6a9\uc744 \uc808\uac10\ud558\uae30 \uc704\ud574 \ub3c4\uae08 \uc695\uc870\ub97c \ub108\ubb34 \ube60\ub974\uac8c \uc6b4\uc804\ud558\uba74, \uad6c\ub9ac\uac00 \ub05d \ubd80\ubd84\uc5d0\uc11c\ub294 \ub450\uaecd\uace0 \uc911\uac04\uc5d0\uc11c\ub294 \uc587\uc740 \"\ub3c4\uadf8 \ubcf8\" \ud6a8\uacfc\uac00 \ub098\ud0c0\ub098\uac70\ub098 \uc2a4\ud2b8\ub808\uc2a4\uc5d0 \uc758\ud574 \uade0\uc5f4\uc774 \uc0dd\uae30\ub294 \ubd80\uc11c\uc9c0\uae30 \uc26c\uc6b4 \uad6c\ub9ac\uac00 \uc0dd\uae41\ub2c8\ub2e4. \ubd80\uc11c\uc9c0\uae30 \uc27d\uac70\ub098 \uc587\uc740 \ub3c4\uae08\uc774 \ub41c \ud640\uc5d0 \ud504\ub808\uc2a4\ud54f \ud540\uc744 \ubc00\uc5b4 \ub123\uc73c\uba74, \ud0c4\uc131 \uad6c\uac04\uc774 \ub2e8\uc21c\ud788 \uc555\ucd95\ub418\ub294 \uac83\uc774 \uc544\ub2c8\ub77c \uc720\ub9ac\uc12c\uc720 \ubcbd\uc5d0\uc11c \uad6c\ub9ac\ub97c \ucc22\uc5b4\ub0c5\ub2c8\ub2e4. \uc720\ub2db\uc774 \uacf5\uc7a5\uc744 \ub5a0\ub098\uae30\ub3c4 \uc804\uc5d0 \uc575\ucee4\uc758 \uae30\uacc4\uc801 \uc644\uc804\uc131\uc774 \ud30c\uad34\ub41c \uac83\uc785\ub2c8\ub2e4. \ud540\uc740 \ucc98\uc74c\uc5d0\ub294 \uc720\ub9ac \uc9c1\uc870\ubb3c\uc5d0 \ub07c\uc6cc\uc838 \ub2e8\ub2e8\ud558\uac8c \ub290\uaef4\uc9c0\uc9c0\ub9cc, \uc720\ub9ac\ub294 \uae08\uc18d\ubcf4\ub2e4 \ud6e8\uc52c \ube60\ub974\uac8c \uc555\ub825(\ud06c\ub9ac\ud504) \ud558\uc5d0\uc11c \ud750\ub985\ub2c8\ub2e4. \uba87 \uc8fc\uac04 \uc9c4\ub3d9\uc774 \uac00\ud574\uc9c0\uba74 \uadf8 \ud540\uc740 \ud5d0\uac81\uac8c \ud754\ub4e4\ub9ac\uac8c \ub420 \uac83\uc785\ub2c8\ub2e4.<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"false-fixes-and-dangerous-bandaids\">\uc798\ubabb\ub41c \uc218\ub9ac\uc640 \uc704\ud5d8\ud55c \uc784\uc2dc\ubc29\ud3b8<\/h2>\n\n\n<p>\uc0dd\uc0b0 \ud604\uc7a5\uc5d0\uc11c \ucee4\ub125\ud130 \ubc30\uce58\uac00 \ud5d0\uac70\uc6cc\uc84c\ub2e4\ub294 \uac83\uc744 \uc54c\uac8c \ub418\uba74, \ubcf8\ub2a5\uc801\uc73c\ub85c \uc989\uc11d\uc5d0\uc11c \uc218\ub9ac\ud558\ub824 \ud569\ub2c8\ub2e4. \uac00\uc7a5 \ud754\ud558\uace0 \uc704\ud5d8\ud55c \uc9c8\ubb38\uc740: \"\uc774 \ud504\ub808\uc2a4\ud54f \ud540\ub4e4\uc744 \uadf8\ub0e5 \uc6e8\uc774\ube0c \uc194\ub354\ub9c1\ud574\uc11c \uace0\uc815\ud560 \uc218 \uc788\uc744\uae4c\uc694?\"\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\uc774\uac83\uc774 \"\uc194\ub354\ub9c1 \uc784\uc2dc\ubc29\ud3b8\"\uc774\uba70, \ubcf4\ud1b5 \uc0c1\ud669\uc744 \ub354 \uc545\ud654\uc2dc\ud0b5\ub2c8\ub2e4. \ud504\ub808\uc2a4\ud54f \ud540\uc740 \uc815\ubc00\ud55c \uc2a4\ud504\ub9c1\uc785\ub2c8\ub2e4. \uadf8\ub4e4\uc740 \uc6b0\ub9ac\uac00 \ub17c\uc758\ud55c \uc800\uc7a5\ub41c \uc5d0\ub108\uc9c0\ub97c \uc720\uc9c0\ud558\uae30 \uc704\ud574 \uae08\uc18d\uc758 \ud15c\ud37c\uc5d0 \uc758\uc874\ud569\ub2c8\ub2e4. \uadf8 \uc2a4\ud504\ub9c1\uc744 \uc6e8\uc774\ube0c \uc194\ub354 \uc695\uc870(260\u00b0C \uc774\uc0c1)\uc758 \uc5f4\uc5d0 \ub178\ucd9c\uc2dc\ud0a4\uba74 \uae08\uc18d\uc774 \ud480\ub9bd\ub2c8\ub2e4. \uc2a4\ud504\ub9c1\uc774 \ubd80\ub4dc\ub7ec\uc6cc\uc9d1\ub2c8\ub2e4. \ubc14\ub2e5\uc5d0 \uc194\ub354 \ud544\ub81b\uc774 \uc0dd\uae38 \uc218\ub294 \uc788\uc9c0\ub9cc, \ubc30\ub7f4 \ub0b4\ubd80\uc758 \uac00\uc2a4 \ubc00\ud3d0\ub97c \ub9cc\ub4dc\ub294 \ub0b4\ubd80 \uc7a5\ub825\uc744 \ud30c\uad34\ud55c \uac83\uc785\ub2c8\ub2e4. \uac8c\ub2e4\uac00 \uc194\ub354\ub9c1 \uacfc\uc815\uc758 \ud50c\ub7ed\uc2a4\uac00 \uc811\ucd09 \uc601\uc5ed\uc73c\ub85c \uc2a4\uba70\ub4e4\uc5b4 \ub098\uc911\uc5d0 \ubd80\uc2dd\uc744 \uc77c\uc73c\ud0ac \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ud540\uc774 \ud2b9\ubcc4\ud788 \"\ud558\uc774\ube0c\ub9ac\ub4dc\"\ub85c \uc124\uacc4\ub41c \uacbd\uc6b0\uac00 \uc544\ub2c8\ub77c\uba74(\uc774\ub294 \ub4dc\ubb45\ub2c8\ub2e4), \uc194\ub354 \uc6e8\uc774\ube0c\ub97c \uba40\ub9ac\ud558\uc138\uc694.<\/p>\n\n\n\n<p>\ub450 \ubc88\uc9f8 \ud754\ud55c \uc808\ubc15\ud55c \uc870\uce58\ub294 \uc7ac\uc791\uc5c5\uc785\ub2c8\ub2e4. \"\uc791\uc5c5\uc790\uac00 \uc644\uc804\ud788 \ub07c\uc6b0\uc9c0 \uc54a\uc558\uc5b4\uc694. \ube7c\ub0b4\uace0 \uc0c8 \ud540\uc744 \ub2e4\uc2dc \ub07c\uc6b8 \uc218 \uc788\uc744\uae4c\uc694?\" \ub300\ub2f5\uc740 \uac70\uc758 \ud56d\uc0c1 \uc544\ub2d9\ub2c8\ub2e4. \ud504\ub808\uc2a4\ud54f \uc5f0\uacb0\uc740 \uc77c\ud68c\uc131 \uae08\uc18d\ud559\uc801 \uc0ac\uac74\uc785\ub2c8\ub2e4. \uccab \uc0bd\uc785\uc774 \ud640 \ub0b4 \uad6c\ub9ac\ub97c \uc18c\uc131 \ubcc0\ud615\uc2dc\ud0b5\ub2c8\ub2e4. \ubc30\ub7f4\uc744 \uc791\uc5c5 \uacbd\ud654\uc2dc\ud0b5\ub2c8\ub2e4. \uac19\uc740 \ud640\uc5d0 \uc0c8 \ud540\uc744 \ub07c\uc6b0\uba74 \uc720\uc9c0\ub825\uc740 \ucc98\uc74c\ubcf4\ub2e4 40-50% \ub0ae\uc544\uc9d1\ub2c8\ub2e4. \uad6c\ub9ac\ub294 \ub354 \uc774\uc0c1 \"\uc5ec\uc720\"\uac00 \uc5c6\uc73c\uba70, \uade0\uc5f4\uc774 \uc0dd\uae30\uac70\ub098 \uc7a1\uc544\ub2f9\uae30\uc9c0 \ubabb\ud560 \uac83\uc785\ub2c8\ub2e4. \uc7ac\uace0 \uad00\ub9ac\uac00 \uc5b4\ub824\uc6b4 \uc624\ubc84\uc0ac\uc774\uc988 \"\uc218\ub9ac \ud540\"\uc5d0 \uc811\uadfc\ud560 \uc218 \uc5c6\ub294 \ud55c, \uc798\ubabb\ub41c \uc0bd\uc785\uc740 \ubcf4\ud1b5 \ubcf4\ub4dc\ub97c \ud3d0\uae30\ud558\ub294 \uac83\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4.<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"validation-that-actually-predicts-failure\">\uc2e4\uc81c\ub85c \uace0\uc7a5\uc744 \uc608\uce21\ud558\ub294 \uac80\uc99d<\/h2>\n\n\n<p>\ub370\uc774\ud130\uc2dc\ud2b8\uc5d0\ub9cc \uc758\uc874\ud574\uc11c\ub294 \uc548 \ub429\ub2c8\ub2e4. \uacf5\uae09\uc5c5\uccb4\uc758 \uc720\uc9c0\ub825 \uc0ac\uc591\uc740 \uc2e4\ud5d8\uc2e4\uc5d0\uc11c \uc644\ubcbd\ud558\uac8c \ub4dc\ub9b4\ub9c1\ub41c \ud640\uc744 \uae30\uc900\uc73c\ub85c \ud558\uba70, \uc2e4\uc81c\ub85c \uad6c\ub9e4\ud558\ub294 \ub300\ub7c9 \uc0dd\uc0b0 \ubcf4\ub4dc\uac00 \uc544\ub2d9\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\uc774\ub7ec\ud55c \ud604\uc7a5 \uace0\uc7a5\uc744 \ubc29\uc9c0\ud558\ub824\uba74 \ubd80\ud488\ubfd0 \uc544\ub2c8\ub77c \uc2dc\uc2a4\ud15c\uc744 \uac80\uc99d\ud574\uc57c \ud569\ub2c8\ub2e4. \uc774\ub294 \ud2b9\uc815 \ucee4\ub125\ud130\uc640 \ud2b9\uc815 PCB(\ud504\ub85c\ud1a0\ud0c0\uc785 \uc0f5\uc774 \uc544\ub2cc \uc2e4\uc81c \ubcf4\ub4dc \ud558\uc6b0\uc2a4\uc5d0\uc11c \ubc1b\uc740)\ub97c \uc5f4\ucda9\uaca9\uacfc \uc9c4\ub3d9\uc5d0 \ub178\ucd9c\uc2dc\ud0a4\ub294 \uac83\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4. \uc870\ub9bd\uccb4\ub97c -40\u00b0C\uc5d0\uc11c 105\u00b0C(\ub610\ub294 \uc791\ub3d9 \ubc94\uc704\uc5d0 \ub530\ub77c)\uae4c\uc9c0 500 \ub610\ub294 1000 \uc0ac\uc774\ud074 \ub3d9\uc548 \uc6b4\uc804\ud558\uc138\uc694. \uadf8\ub9ac\uace0 \ub098\uc11c\uc57c \uc720\uc9c0\ub825\uc744 \uce21\uc815\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\ud540\uc744 \ub2f9\uaca8 \ubf51\ub294 \ud798\uc774 \uadf8\uc5d0 \uc5f0\uacb0\ub41c \ucf00\uc774\ube14 \ud558\ub2c8\uc2a4\uc758 \ubb34\uac8c\ubcf4\ub2e4 \uc801\uc73c\uba74 \ubb38\uc81c\uac00 \uc788\ub294 \uac83\uc785\ub2c8\ub2e4. \uc0dd\uc0b0 \ub77c\uc778\uc5d0\uc11c \ubf51\ub294 \ub370 50\ub274\ud134\uc774 \uac78\ub838\ub2e4\uace0 \ud574\ub3c4 \uc0c1\uad00\uc5c6\uc2b5\ub2c8\ub2e4. \uc5f4 \uc0ac\uc774\ud074 \ud6c4 \ud55c \ub2ec \ub9cc\uc5d0 2\ub274\ud134\uc73c\ub85c \ubf51\ud78c\ub2e4\uba74, \ub2f9\uc2e0\uc758 \uc81c\ud488\uc740 \uc2dc\ud55c\ud3ed\ud0c4\uc785\ub2c8\ub2e4. \ubb3c\ub9ac\ub294 \ubb34\uc801\uc785\ub2c8\ub2e4; \ud3c9\ud310\uc744 \uac78\uace0 \ub3c4\ubc15\ud558\uc9c0 \ub9c8\uc138\uc694.<\/p>","protected":false},"excerpt":{"rendered":"<p>\ud504\ub808\uc2a4\ud54f \ucee4\ub125\ud130\uc758 \uace0\uc2a4\ud2b8 \uace0\uc7a5\uc740 \uc644\ubcbd\ud55c \uacf5\uc7a5 \uc0dd\uc0b0 \ud6c4\uc5d0 \ub098\ud0c0\ub0a9\ub2c8\ub2e4: \ud604\uc7a5 \ubc18\ud488\uc5d0\uc11c\ub294 \uc5f4 \uc0ac\uc774\ud074, \uc2b5\uae30, \uac70\uce5c \ucde8\uae09\uc73c\ub85c \uc778\ud574 \ud540\uc774 \ub290\uc2a8\ud574\uc9c0\ub294 \ud604\uc0c1\uc774 \ub4dc\ub7ec\ub0a9\ub2c8\ub2e4. \uc774\ub294 \ud540, \uad6c\uba4d, \uadf8\ub9ac\uace0 \ubcf4\ub4dc\uac00 \uc870\ub9bd \ud6c4 \uc624\ub79c \uc2dc\uac04\uc774 \uc9c0\ub098\uc11c\uc57c \ubb38\uc81c\ub97c \uc77c\uc73c\ud0a4\ub294 \uc6d0\uc778\uc785\ub2c8\ub2e4.<\/p>","protected":false},"author":1,"featured_media":10585,"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":"","glossary_alter":"","glossary_def":"","article_task":"Press-fit retention that fails only after shipping and temperature swings","footnotes":""},"categories":[12],"tags":[],"class_list":["post-10532","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"_links":{"self":[{"href":"https:\/\/www.besterpcba.com\/ko\/wp-json\/wp\/v2\/posts\/10532","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=10532"}],"version-history":[{"count":2,"href":"https:\/\/www.besterpcba.com\/ko\/wp-json\/wp\/v2\/posts\/10532\/revisions"}],"predecessor-version":[{"id":10650,"href":"https:\/\/www.besterpcba.com\/ko\/wp-json\/wp\/v2\/posts\/10532\/revisions\/10650"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.besterpcba.com\/ko\/wp-json\/wp\/v2\/media\/10585"}],"wp:attachment":[{"href":"https:\/\/www.besterpcba.com\/ko\/wp-json\/wp\/v2\/media?parent=10532"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.besterpcba.com\/ko\/wp-json\/wp\/v2\/categories?post=10532"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.besterpcba.com\/ko\/wp-json\/wp\/v2\/tags?post=10532"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}