{"id":4048,"date":"2025-10-18T07:50:55","date_gmt":"2025-10-18T07:50:55","guid":{"rendered":"https:\/\/flj-pcb.com\/?p=4048"},"modified":"2025-10-18T07:51:00","modified_gmt":"2025-10-18T07:51:00","slug":"pcb-warpage-and-bow","status":"publish","type":"post","link":"https:\/\/flj-pcb.com\/ko\/pcb-warpage-and-bow\/","title":{"rendered":"PCB \ud728 \ubc0f \ubcf4\uc6b0"},"content":{"rendered":"

\uc18c\uac1c<\/h2>\n\n\n\n

\uc778\uc1c4 \ud68c\ub85c \uae30\ud310(PCB)\uc774 \ub9ac\ud50c\ub85c \ub0a9\ub55c\uc744 \uac70\uce58\uba74 \uc885\uc885 \uad6c\ubd80\ub7ec\uc9c0\uac70\ub098 \ud718\uc5b4\uc9c0\ub294 \uacbd\uc6b0\uac00 \uc788\uc2b5\ub2c8\ub2e4. \ubb38\uc81c\uac00 \uc2ec\uac01\ud558\uba74 \ubd80\ud488\uc774 \ub4e4\ub9ac\uac70\ub098 \ub0a9\ub55c \uc811\ud569\uc774 \uc2e4\ud328\ud558\uac70\ub098 \ubd80\ud488\uc774 \uc138\uc6cc\uc9c8 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \ubb38\uc11c\uc5d0\uc11c\ub294 \uba3c\uc800 PCB \ud728\uc758 \uc704\ud5d8\uc131\uc5d0 \ub300\ud574 \uc124\uba85\ud569\ub2c8\ub2e4. \uadf8\ub7f0 \ub2e4\uc74c \ub4a4\ud2c0\ub9bc\uc758 \uc8fc\uc694 \uc6d0\uc778\uc744 \uc0b4\ud3b4\ubd05\ub2c8\ub2e4. \ub9c8\uc9c0\ub9c9\uc73c\ub85c \ud728\uc744 \uc904\uc774\uac70\ub098 \ubc29\uc9c0\ud560 \uc218 \uc788\ub294 \uc2e4\uc6a9\uc801\uc778 \ubc29\ubc95\uc744 \ub098\uc5f4\ud569\ub2c8\ub2e4. \uba85\ud655\ud558\uace0 \uac04\ub2e8\ud55c \ub2e8\uacc4\uc640 \uc774\uc720\ub97c \uc77d\uc5b4\ubcf4\uc138\uc694.<\/p>\n\n\n\n

PCB \ub4a4\ud2c0\ub9bc\uc758 \uc704\ud5d8<\/h2>\n\n\n\n

\uc790\ub3d9\ud654\ub41c \ud45c\uba74 \uc2e4\uc7a5 \ub77c\uc778\uc5d0\uc11c PCB\uac00 \ud3c9\ud3c9\ud558\uc9c0 \uc54a\uc73c\uba74 \uae30\uacc4\uac00 \ubd80\ud488\uc744 \uc62c\ubc14\ub978 \uc704\uce58\uc5d0 \ubc30\uce58\ud558\uc9c0 \ubabb\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ubd80\ud488\uc774 \uad6c\uba4d\uc5d0 \ub4e4\uc5b4\uac00\uc9c0 \uc54a\uac70\ub098 SMD \ud328\ub4dc\uc5d0 \ub5a8\uc5b4\uc9c8 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uacbd\uc6b0\uc5d0 \ub530\ub77c \uc790\ub3d9 \uc0bd\uc785 \uae30\uacc4\uac00 \uc190\uc0c1\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ubd80\ud488\uc744 \uc2e4\uc7a5\ud558\uace0 \ub0a9\ub55c\ud55c \ud6c4 \uae30\ud310\uc774 \ud718\uc5b4\uc9c0\uba74 \ub9ac\ub4dc\ub97c \uae54\ub054\ud558\uac8c \ub2e4\ub4ec\uae30 \uc5b4\ub835\uc2b5\ub2c8\ub2e4. \uae30\ud310\uc774 \ucf00\uc774\uc2a4\uc5d0 \ub9de\uc9c0 \uc54a\uac70\ub098 \uc18c\ucf13\uc5d0 \uaf42\ud788\uc9c0 \uc54a\uc744 \uc218\ub3c4 \uc788\uc2b5\ub2c8\ub2e4. \ub530\ub77c\uc11c \uc870\ub9bd \uacf5\uc7a5\uc5d0\uc11c \ud728\uc740 \ud070 \ubb38\uc81c\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

\ud45c\uba74 \uc2e4\uc7a5 \uae30\uc220(SMT)\uc740 \ub354 \ub192\uc740 \uc815\ud655\ub3c4, \ub354 \ube60\ub978 \uc18d\ub3c4, \ub354 \ub9ce\uc740 \uc790\ub3d9\ud654\ub97c \ud5a5\ud574 \ub098\uc544\uac00\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub85c \uc778\ud574 PCB\uc758 \ud3c9\ud0c4\ub3c4\uc5d0 \ub300\ud55c \uc694\uad6c\uac00 \ub192\uc544\uc9c0\uace0 \uc788\uc2b5\ub2c8\ub2e4. \ucd5c\uc2e0 \uae30\uacc4\ub294 \uae30\ud310\uc744 \ubc30\uce58\ud558\uace0 \ub0a9\ub55c\ud558\ub294 \ub3d9\uc548 \uae30\ud310\uc774 \uc548\uc815\uc801\uc774\uace0 \uc815\ud655\ud574\uc57c \ud558\uae30 \ub54c\ubb38\uc5d0 \ud3c9\ud0c4\ub3c4\uac00 \uc911\uc694\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

\uc2e4\uc81c\ub85c IPC \ud45c\uc900\uc5d0 \ub530\ub974\uba74 \ud45c\uba74 \uc2e4\uc7a5 \uc7a5\uce58\uac00 \uc788\ub294 \ubcf4\ub4dc\uc758 \ucd5c\ub300 \ud5c8\uc6a9 \ub4a4\ud2c0\ub9bc\uc740 0.75%\uc785\ub2c8\ub2e4. \ud45c\uba74 \uc2e4\uc7a5 \uc7a5\uce58\uac00 \uc5c6\ub294 \uae30\ud310\uc758 \uacbd\uc6b0 \uc81c\ud55c\uc740 1.5%\uc785\ub2c8\ub2e4. \uc77c\ubd80 \ud68c\uc0ac\ub294 \uace0\uc18d, \uace0\uc815\ubc00 \uc870\ub9bd\uc744 \ucda9\uc871\ud558\uae30 \uc704\ud574 \ub354 \uc5c4\uaca9\ud55c \uc81c\ud55c\uc744 \uc124\uc815\ud569\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \uc77c\ubd80 \uace0\uac1d\uc740 \ucd5c\ub300 \ud728\uc744 0.5% \ub610\ub294 0.3%\ub85c \uc694\uad6c\ud558\uae30\ub3c4 \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

PCB \ud728\uc758 \uc6d0\uc778<\/h2>\n\n\n\n

PCB\ub294 \uad6c\ub9ac \ud638\uc77c, \uc218\uc9c0, \uc720\ub9ac \uc12c\uc720 \ub4f1 \ub2e4\uc591\ud55c \uc7ac\ub8cc\ub85c \ub9cc\ub4e4\uc5b4\uc9d1\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc7ac\ub8cc\ub294 \uc5f4\uacfc \uc751\ub825 \ud558\uc5d0\uc11c \ub2e4\ub974\uac8c \uc791\uc6a9\ud569\ub2c8\ub2e4. \ud568\uaed8 \uc555\ucc29\ub418\uace0 \uacbd\ud654\ub420 \ub54c \ub0a8\uc740 \uc5f4 \uc751\ub825\uc73c\ub85c \uc778\ud574 \ub4a4\ud2c0\ub9bc\uc774 \ubc1c\uc0dd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub610\ud55c PCB \uc81c\uc870\uc5d0\ub294 \uc5f4\uacfc \uae30\uacc4\uc801 \ubd80\ud558\ub97c \ucd94\uac00\ud558\ub294 \ub9ce\uc740 \ub2e8\uacc4\uac00 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ub2e8\uacc4\uc5d0\ub294 \ub77c\ubbf8\ub124\uc774\uc158, \ub4dc\ub9b4\ub9c1, \uc808\ub2e8, \ubca0\uc774\ud0b9 \ubc0f \ub0a9\ub55c\uc774 \ud3ec\ud568\ub429\ub2c8\ub2e4. \uc774 \ubaa8\ub4e0 \uacfc\uc815\uc774 \ubcf4\ub4dc \ubaa8\uc591\uc744 \ubc14\uafc0 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub9ce\uc740 \uc694\uc778\uc774 \ub4a4\ud2c0\ub9bc\uc744 \uc720\ubc1c\ud560 \uc218 \uc788\uae30 \ub54c\ubb38\uc5d0 \uc8fc\uc694 \uc6d0\uc778\uc744 \ucc3e\uae30\uac00 \uc5b4\ub824\uc6b4 \uacbd\uc6b0\uac00 \ub9ce\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

\uace0\ub974\uc9c0 \uc54a\uc740 \uad6c\ub9ac \uc601\uc5ed<\/h3>\n\n\n\n

\uc811\uc9c0\uba74\uc774\ub098 \uc804\uc6d0\uba74\uc5d0\ub294 \ub113\uc740 \uad6c\ub9ac \uc601\uc5ed\uc774 \uc790\uc8fc \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ub113\uc740 \uad6c\ub9ac \uc601\uc5ed\uc774 \uae30\ud310\uc5d0 \uace0\ub974\uac8c \ud37c\uc9c0\uc9c0 \uc54a\uc73c\uba74 \uc5f4 \ud761\uc218\uc640 \uc5f4 \ubc29\ucd9c\uc774 \uace0\ub974\uc9c0 \uc54a\uac8c \ub429\ub2c8\ub2e4. \ubcf4\ub4dc\uac00 \uac00\uc5f4\ub418\uace0 \ub0c9\uac01\ub418\uba74 \ubcf4\ub4dc\uc758 \uc77c\ubd80\uac00 \uc11c\ub85c \ub2e4\ub978 \uc18d\ub3c4\ub85c \ud33d\ucc3d\ud558\uace0 \uc218\ucd95\ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ubd88\uade0\ub4f1\ud55c \ud33d\ucc3d\uc73c\ub85c \uc778\ud574 \uc751\ub825\uc774 \ubc1c\uc0dd\ud558\uace0 \ubcf4\ub4dc\uac00 \ud718\uc5b4\uc9c8 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ubcf4\ub4dc\uac00 \uc720\ub9ac \uc804\uc774 \uc628\ub3c4(Tg)\uc5d0 \ub3c4\ub2ec\ud558\uba74 \uc7ac\ub8cc\uac00 \uc5f0\ud654\ub418\uc5b4 \uc601\uad6c\uc801\uc778 \ud615\ud0dc \ubcc0\ud654\ub97c \uc77c\uc73c\ud0ac \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

\ube44\uc544 \ubc0f \ub808\uc774\uc5b4 \ud0c0\uc774<\/h3>\n\n\n\n

\ub300\ubd80\ubd84\uc758 \ucd5c\uc2e0 PCB\ub294 \ub2e4\uce35 \uad6c\uc870\uc785\ub2c8\ub2e4. \ub808\uc774\uc5b4\ub294 \ub2e4\uc74c\uacfc \uac19\uc774 \uacb0\ud569\ub429\ub2c8\ub2e4. vias<\/a>. \ube44\uc544\ub294 \uc2a4\ub8e8\ud640, \ube14\ub77c\uc778\ub4dc \ube44\uc544, \ub9e4\ub9bd\ud615 \ube44\uc544 \ub4f1 \uc138 \uac00\uc9c0 \uc720\ud615\uc774 \uc788\uc2b5\ub2c8\ub2e4. \ube44\uc544\uac00 \ub808\uc774\uc5b4\ub97c \uc11c\ub85c \ubb36\ub294 \uacbd\uc6b0, \ubcf4\ub4dc\uac00 \ud655\uc7a5 \ubc0f \ucd95\uc18c\ub418\ub294 \ubc29\uc2dd\uc774 \uc81c\ud55c\ub429\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc81c\uc57d\uc73c\ub85c \uc778\ud574 \uad6d\ubd80\uc801\uc778 \uc751\ub825\uc774 \ubc1c\uc0dd\ud558\uc5ec \ubcf4\ub4dc \uc804\uccb4\uac00 \uad6c\ubd80\ub7ec\uc9c0\uac70\ub098 \ud718\uc5b4\uc9c8 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

\"pcb<\/figure>\n\n\n\n

\ubcf4\ub4dc \ubb34\uac8c \ubc0f \uad6c\uc131 \uc694\uc18c \ubb34\uac8c<\/h3>\n\n\n\n

\ub9ac\ud50c\ub85c\uc6b0 \uc624\ube10\uc740 \uc885\uc885 \uac00\uc7a5\uc790\ub9ac\uc5d0\uc11c \uae30\ud310\uc744 \uc9c0\uc9c0\ud558\ub294 \uccb4\uc778\uc73c\ub85c PCB\ub97c \uc774\ub3d9\ud569\ub2c8\ub2e4. \ubcf4\ub4dc\uc5d0 \ub9e4\uc6b0 \ubb34\uac70\uc6b4 \ubd80\ud488\uc774 \uc788\uac70\ub098 \ub9e4\uc6b0 \ud070 \uacbd\uc6b0 \uc790\uccb4 \ubb34\uac8c\ub85c \uc778\ud574 \uc911\uc559\uc774 \ucc98\uc9c8 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ucc98\uc9d0\uc740 \uac00\uc5f4 \uc911\uc5d0 \ud718\uc5b4\uc9c0\uac70\ub098 \uad6c\ubd80\ub7ec\uc9c0\uba70 \ub0c9\uac01 \ud6c4\uc5d0\ub3c4 \ub0a8\uc544\uc788\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

\"Reflow<\/figure>\n\n\n\n

\ud328\ub110\uc758 V \ucef7 \uae4a\uc774 \ubc0f \ud0ed \ub514\uc790\uc778<\/h3>\n\n\n\n

V-Cut\uc740 \ud328\ub110\uc5d0\uc11c \ubcf4\ub4dc\ub97c \ubd84\ub9ac\ud558\ub294 \ubc29\ubc95\uc785\ub2c8\ub2e4. V-Cut\uc740 \ud328\ub110\uc758 \uad6c\uc870\uc801 \uac15\ub3c4\ub97c \uac10\uc18c\uc2dc\ud0b5\ub2c8\ub2e4. \uc808\ub2e8 \ubd80\uc704\uac00 \uc57d\ud574\uc838 \ub354 \uc27d\uac8c \ud718\uc5b4\uc9c8 \uc218 \uc788\uc2b5\ub2c8\ub2e4. V\ucef7\uc774 \uae4a\uac70\ub098 \ud55c \ud328\ub110\uc5d0 V\ucef7\uc774 \ub9ce\uc73c\uba74 \uac00\uacf5 \uc911 \ub4a4\ud2c0\ub9bc\uc758 \uc704\ud5d8\uc774 \ub192\uc544\uc9d1\ub2c8\ub2e4.<\/p>\n\n\n\n

\"pcb<\/figure>\n\n\n\n

\uba38\ud2f0\ub9ac\uc5bc \ubc0f \uc2a4\ud0dd\uc5c5 \ucc28\uc774\uc810<\/h3>\n\n\n\n

PCB\ub294 \ucf54\uc5b4, \ud504\ub9ac\ud504\ub808\uadf8, \uc678\ubd80 \uad6c\ub9ac \ud638\uc77c\ub85c \ub9cc\ub4e4\uc5b4\uc9d1\ub2c8\ub2e4. \ub77c\ubbf8\ub124\uc774\uc158 \uc911\uc5d0 \ucf54\uc5b4\uc640 \ud3ec\uc77c\uc740 \uac00\uc5f4\ub418\uc5b4 \ubcc0\ud615\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ubcc0\ud654\uc758 \uc815\ub3c4\ub294 \uac01 \uc7ac\ub8cc\uc758 \uc5f4\ud33d\ucc3d \uacc4\uc218(CTE)\uc5d0 \ub530\ub77c \ub2ec\ub77c\uc9d1\ub2c8\ub2e4.<\/p>\n\n\n\n

\uad6c\ub9ac \ud638\uc77c\uacfc FR-4 \uae30\ubcf8 \uc7ac\ub8cc\ub294 CTE \uac12\uc774 \ub2e4\ub985\ub2c8\ub2e4. FR-4\uc758 \uacbd\uc6b0, Tg \uc774\ud558\uc758 Z\ucd95 CTE\ub294 Tg \uc774\uc0c1\uc758 CTE\uc640 \ub2e4\ub985\ub2c8\ub2e4. Tg \uc774\uc0c1\uc5d0\uc11c\ub294 \uc218\uc9c0\uac00 \uc5f0\ud654\ub418\uace0 \ud33d\ucc3d\uc774 \ud6e8\uc52c \ub354 \ucee4\uc9c8 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub192\uc740 Tg \uc18c\uc7ac\ub294 \uace0\uc628\uc5d0\uc11c \ubcc0\ud654\uac00 \uc801\uace0 \ubaa8\uc591\uc774 \ub354 \uc798 \uc720\uc9c0\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n

\ucf54\uc5b4\ub9c8\ub2e4 \uad6c\ub9ac \ud328\ud134, \ub450\uaed8 \ub610\ub294 \uc7ac\ub8cc\uac00 \ub2e4\ub974\uba74 \ub77c\ubbf8\ub124\uc774\uc158 \uc911\uc5d0 \uc11c\ub85c \ub2e4\ub978 \uc591\ub9cc\ud07c \ud33d\ucc3d\ud569\ub2c8\ub2e4. CTE\uac00 \ub9e4\uc6b0 \ub2e4\ub978 \ub450 \uac1c\uc758 \ucf54\uc5b4\ub97c \ud504\ub9ac\ud504\ub808\uadf8\ub85c \uc811\ucc29\ud558\uace0 \uacbd\ud654\ud558\uba74 \uae30\ud310\uc774 \ubd88\uade0\ub4f1\ud55c \uc751\ub825\uc5d0 \uace0\uc815\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ubcf4\ub4dc\uac00 \ub0c9\uac01\ub418\uba74 \uc774\ub7ec\ud55c \ucc28\uc774\ub85c \uc778\ud574 \ubcf4\ub4dc\uac00 \ub35c \uc218\ucd95\ub41c \ucabd\uc744 \ud5a5\ud574 \uad6c\ubd80\ub7ec\uc9c0\uac8c \ub429\ub2c8\ub2e4.<\/p>\n\n\n\n

\ub77c\ubbf8\ub124\uc774\uc158 \uc911 \uc5f4 \uc21c\ud658<\/h3>\n\n\n\n

\ub77c\ubbf8\ub124\uc774\uc158\ud558\ub294 \ub3d9\uc548 \uc628\ub3c4\uac00 \uc0c1\uc2b9\ud558\uace0 \ud504\ub9ac\ud504\ub808\uadf8\uac00 \ud750\ub974\uba74\uc11c \uad6c\ub9ac \ud328\ud134\uc744 \ucc44\uc6b4 \ub2e4\uc74c \uacbd\ud654\ub429\ub2c8\ub2e4. \ud504\ub9ac\ud504\ub808\uadf8\uac00 \uc544\uc9c1 \ubd80\ub4dc\ub7ec\uc6b8 \ub54c\ub294 \ucf54\uc5b4\uac00 \uc790\uc720\ub86d\uac8c \ud655\uc7a5\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \uacbd\ud654 \ud6c4\uc5d0\ub294 \ub808\uc774\uc5b4\uac00 \uc11c\ub85c \ubd99\uc5b4 \uc788\uc2b5\ub2c8\ub2e4. \ucf54\uc5b4\uac00 \uc11c\ub85c \ub2e4\ub978 \uc591\uc73c\ub85c \ud33d\ucc3d\ud588\ub2e4\uba74 \uacbd\ud654\ub41c \uc5b4\uc148\ube14\ub9ac\ub294 \uadf8 \ubd88\uc77c\uce58\ub97c \uc720\uc9c0\ud569\ub2c8\ub2e4. \ubcf4\ub4dc\uac00 \ub0c9\uac01\ub418\uba74 \ubd88\uc77c\uce58\ud55c \uc218\ucd95\ub960\uc774 \ub0a8\uc544 \uc601\uad6c\uc801\uc778 \ub4a4\ud2c0\ub9bc\uc744 \uc720\ubc1c\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

\uc2a4\ud2b8\ub808\uc2a4\ub97c \uac00\uc911\uc2dc\ud0a4\ub294 \uc81c\uc870 \ub2e8\uacc4<\/h3>\n\n\n\n

PCB \uacf5\uc815 \ub2e8\uacc4\ub294 \uc5f4\uc801 \ubc0f \uae30\uacc4\uc801 \uc2a4\ud2b8\ub808\uc2a4\ub97c \ubaa8\ub450 \ucd94\uac00\ud569\ub2c8\ub2e4. \uc5f4\uc801 \uc2a4\ud2b8\ub808\uc2a4\ub294 \uc8fc\ub85c \ub77c\ubbf8\ub124\uc774\uc158\uc5d0\uc11c \ubc1c\uc0dd\ud569\ub2c8\ub2e4. \uae30\uacc4\uc801 \uc2a4\ud2b8\ub808\uc2a4\ub294 \uc801\uce35, \ucde8\uae09 \ubc0f \ubca0\uc774\ud0b9\uc5d0\uc11c \ubc1c\uc0dd\ud569\ub2c8\ub2e4. \uc911\uc694\ud55c \uacf5\uc815 \ud3ec\uc778\ud2b8\ub294 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n

    \n
  • \ub4e4\uc5b4\uc624\ub294 \uad6c\ub9ac \ud53c\ubcf5 \ub77c\ubbf8\ub124\uc774\ud2b8: \uad6c\uc870\uac00 \ub300\uce6d\uc774\uba70 \uc77c\ubc18\uc801\uc73c\ub85c \ub77c\ubbf8\ub124\uc774\uc158 \uc911\uc5d0 \ud718\uc5b4\uc9c0\uc9c0 \uc54a\uc9c0\ub9cc \ud504\ub808\uc2a4\ub294 \ud50c\ub808\uc774\ud2b8 \uc804\uccb4\uc5d0 \uc628\ub3c4 \ucc28\uc774\uac00 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uad6d\ubd80\uc801\uc778 \ucc28\uc774\ub85c \uc778\ud574 \ub098\uc911\uc5d0 \ub098\ud0c0\ub098\ub294 \uc791\uc740 \uad6d\ubd80 \uc751\ub825\uc774 \ubc1c\uc0dd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n\n\n\n
  • \ub77c\ubbf8\ub124\uc774\uc158: \ub77c\ubbf8\ub124\uc774\uc158\uc740 \uc5f4 \uc2a4\ud2b8\ub808\uc2a4\uc758 \uc8fc\uc694 \uc6d0\uc778\uc785\ub2c8\ub2e4. PCB \uc2a4\ud0dd\uc5c5\uc5d0\uc11c\ub294 \ub808\uc774\uc5b4 \ud328\ud134\uc774 \ub2e4\uc591\ud558\uace0 \ud504\ub9ac\ud504\ub808\uadf8\uc758 \uc591\ub3c4 \ub2ec\ub77c\uc9d1\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ucc28\uc774\ub85c \uc778\ud574 \uc5f4 \uc2a4\ud2b8\ub808\uc2a4\uac00 \ub354 \ub192\uc544\uc9c0\uace0 \uc81c\uac70\ud558\uae30\uac00 \ub354 \uc5b4\ub824\uc6cc\uc9d1\ub2c8\ub2e4. \ub4dc\ub9b4\ub9c1, \ub77c\uc6b0\ud305 \ubc0f \ubca0\uc774\ud0b9 \uc911\uc5d0 \uc800\uc7a5\ub41c \uc751\ub825\uc774 \ubc29\ucd9c\ub418\uc5b4 \ubcf4\ub4dc\uac00 \ud718\uc5b4\uc9c8 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n\n\n\n
  • \uc194\ub354 \ub9c8\uc2a4\ud06c \ubc0f \ubc94\ub840 \ubca0\uc774\ud0b9: \uc194\ub354 \ub9c8\uc2a4\ud06c \uc789\ud06c\ub294 \uc57d 150\u00b0C\uc5d0\uc11c \uacbd\ud654\ub429\ub2c8\ub2e4. \uc774 \uc628\ub3c4\ub294 Tg\uac00 \ub0ae\uc740 \uc7ac\ub8cc\ub098 \uc911\uac04 \uc815\ub3c4\uc758 \uc7ac\ub8cc\ubcf4\ub2e4 \ub192\uc73c\uba70 \ubcf4\ub4dc\ub97c \ub354 \uc720\uc5f0\ud558\uac8c \ub9cc\ub4e4 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uae30\ud310\uc774 \uc624\ube10\uc758 \ub799\uc5d0 \uc788\uac70\ub098 \uacf5\uae30 \ud750\ub984 \uc544\ub798\uc5d0 \uc788\ub294 \ub3d9\uc548\uc5d0\ub294 \uc790\uccb4 \ubb34\uac8c \ub610\ub294 \uc624\ube10\uc758 \uacf5\uae30\uc5d0 \uc758\ud574 \uad6c\ubd80\ub7ec\uc9c8 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub294 \ub4a4\ud2c0\ub9bc\uc744 \uc99d\uac00\uc2dc\ud0b5\ub2c8\ub2e4.<\/li>\n\n\n\n
  • \uc5f4\ud48d \ub0a9\ub55c \ub808\ubca8\ub9c1(HASL): HASL\uc740 \uae09\uaca9\ud55c \uc5f4 \uc774\ubca4\ud2b8\uc785\ub2c8\ub2e4. \uc77c\ubc18\uc801\uc778 \uc194\ub354 \ud3ec\ud2b8 \uc628\ub3c4\ub294 \ub192\uace0 \uae30\ud310\uc740 \uc2e4\uc628\uc5d0\uc11c \uace0\uc5f4\ub85c \uc774\ub3d9\ud55c \ub2e4\uc74c \uc138\ucc99 \ubc0f \ub0c9\uac01\ub429\ub2c8\ub2e4. \ube60\ub978 \uac00\uc5f4 \ubc0f \ub0c9\uac01 \uc8fc\uae30\ub294 \uc5f4 \uc2a4\ud2b8\ub808\uc2a4\ub97c \ucd94\uac00\ud558\uace0 \ubbf8\uc138 \ubcc0\ud615\uacfc \ub354 \ud070 \ud728\uc744 \uc720\ubc1c\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n\n\n\n
  • \ubcf4\uad00 \ubc0f \ucde8\uae09: \ubcf4\ub4dc\ub294 \ub799\uc5d0 \uc218\uc9c1\uc73c\ub85c \ubcf4\uad00\ud558\ub294 \uacbd\uc6b0\uac00 \ub9ce\uc2b5\ub2c8\ub2e4. \ub799\uc774 \ub108\ubb34 \ube61\ube61\ud558\uac70\ub098 \ubcf4\ub4dc\uac00 \uc313\uc5ec \uc788\uc73c\uba74 \uae30\uacc4\uc801\uc778 \ud798\uc5d0 \uc758\ud574 \ubcf4\ub4dc\uac00 \uad6c\ubd80\ub7ec\uc9c8 \uc218 \uc788\uc2b5\ub2c8\ub2e4. 2.0mm \ubbf8\ub9cc\uc758 \uc587\uc740 \ubcf4\ub4dc\uac00 \ub354 \ud070 \uc601\ud5a5\uc744 \ubc1b\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n

    PCB \ud728\uc744 \uc904\uc774\ub294 \ubc29\ubc95<\/h2>\n\n\n\n

    \ub2e4\uc74c\uc740 PCB \uc0dd\uc0b0 \ubc0f \uc870\ub9bd \uacfc\uc815\uc5d0\uc11c \ud728\uc744 \uc904\uc774\ub294 \uc2e4\uc6a9\uc801\uc778 \ubc29\ubc95\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

    1. \uc628\ub3c4 \ub0ae\ucd94\uace0 \ub09c\ubc29\/\ub0c9\ubc29 \uc18d\ub3c4 \ub2a6\ucd94\uae30<\/h3>\n\n\n\n

    \uc628\ub3c4\ub294 \uc2a4\ud2b8\ub808\uc2a4\uc758 \uc8fc\uc694 \uc6d0\uc778\uc774\ubbc0\ub85c \uc624\ube10 \uc628\ub3c4\ub97c \ub0ae\ucd94\uac70\ub098 \ub9ac\ud50c\ub85c\uc6b0 \uacf5\uc815\uc5d0\uc11c \uac00\uc5f4 \ubc0f \ub0c9\uac01 \uc18d\ub3c4\ub97c \ub2a6\ucd94\ub294 \uac83\uc774 \ub3c4\uc6c0\uc774 \ub429\ub2c8\ub2e4. \uae30\ud310\uc774 \ub354 \ucc9c\ucc9c\ud788 \uac00\uc5f4 \ubc0f \ub0c9\uac01\ub418\uba74 \uc5f4\ud33d\ucc3d\uc73c\ub85c \uc778\ud55c \uc2a4\ud2b8\ub808\uc2a4\uac00 \ub0ae\uc544\uc9c0\uace0 \ub4a4\ud2c0\ub9bc\uc774 \ubc1c\uc0dd\ud560 \uac00\ub2a5\uc131\uc774 \uc904\uc5b4\ub4ed\ub2c8\ub2e4. \uc628\ub3c4 \ud504\ub85c\ud30c\uc77c\uc744 \ubcc0\uacbd\ud558\uba74 \ub0a9\ub55c \ud488\uc9c8\uc774\ub098 \uc0ac\uc774\ud074 \uc2dc\uac04\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce60 \uc218 \uc788\uc73c\ubbc0\ub85c \ubd80\uc791\uc6a9\uc774 \uc788\ub294\uc9c0 \ud655\uc778\ud558\uc138\uc694.<\/p>\n\n\n\n

    2. \uace0-Tg \uc18c\uc7ac \uc0ac\uc6a9<\/h3>\n\n\n\n

    Tg\ub294 \uc720\ub9ac \uc804\uc774 \uc628\ub3c4\uc785\ub2c8\ub2e4. Tg \uc774\uc0c1\uc5d0\uc11c\ub294 \uc7ac\ub8cc\uac00 \uc5f0\ud654\ub418\uc5b4 \uace0\ubb34\ucc98\ub7fc \ub429\ub2c8\ub2e4. Tg\uac00 \ub0ae\uc740 \uc18c\uc7ac\ub294 \ub9ac\ud50c\ub85c\uc6b0\uc5d0\uc11c \ub354 \ube68\ub9ac, \ub354 \uc624\ub798 \uc5f0\ud654\ub429\ub2c8\ub2e4. Tg\uac00 \ub192\uc740 \ubca0\uc774\uc2a4 \uc18c\uc7ac\ub97c \uc0ac\uc6a9\ud558\uba74 \uc5f4\uc5d0 \uc758\ud55c \uae30\ud310\uc758 \ubcc0\ud615\uc5d0 \ub300\ud55c \uc800\ud56d\ub825\uc774 \ub192\uc544\uc9d1\ub2c8\ub2e4. \uace0Tg \uc18c\uc7ac\ub294 \ube44\uc6a9\uc774 \ub354 \ub9ce\uc774 \ub4e4\uc9c0\ub9cc \ub4a4\ud2c0\ub9bc \ubc0f \uae30\ud0c0 \uc5f4 \uad00\ub828 \ubb38\uc81c\ub97c \ubc29\uc9c0\ud558\ub294 \ub370 \ub3c4\uc6c0\uc774 \ub429\ub2c8\ub2e4. High-Tg\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \ubb34\uc5f0 \uacf5\uc815\uc5d0 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n

    \"high<\/figure>\n\n\n\n

    3. \ubcf4\ub4dc \ub450\uaed8 \ub298\ub9ac\uae30<\/h3>\n\n\n\n

    \ub9ce\uc740 \uc18c\ube44\uc790 \uc81c\ud488\uc740 \uc587\uace0 \uac00\ubcbc\uc6b4 PCB\ub97c \ubaa9\ud45c\ub85c \ud569\ub2c8\ub2e4. 1.0mm, 0.8mm \ub610\ub294 0.6mm \uc815\ub3c4\uc758 \uc587\uc740 \uae30\ud310\uc774 \ud604\uc7ac \uc77c\ubc18\uc801\uc785\ub2c8\ub2e4. \uae30\ud310\uc774 \uc587\uc744\uc218\ub85d \ub9ac\ud50c\ub85c\uc6b0\ub97c \ud1b5\ud574 \ud3c9\ud3c9\ud558\uac8c \uc720\uc9c0\ud558\uae30\uac00 \ub354 \uc5b4\ub835\uc2b5\ub2c8\ub2e4. \uc81c\ud488\uc5d0\uc11c \ud5c8\uc6a9\ud558\ub294 \uacbd\uc6b0 \ud45c\uc900 1.6mm \ubcf4\ub4dc \ub450\uaed8\ub97c \uc0ac\uc6a9\ud558\uc138\uc694. \ubcf4\ub4dc\uac00 \ub450\uaebc\uc6b8\uc218\ub85d \uad6c\ubd80\ub7ec\uc9d0\uacfc \ucc98\uc9d0\uc744 \ubc29\uc9c0\ud558\uace0 \ub4a4\ud2c0\ub9bc \uc704\ud5d8\uc744 \ub0ae\ucda5\ub2c8\ub2e4.<\/p>\n\n\n\n

    4. \ubcf4\ub4dc \ud06c\uae30 \ubc0f \ud328\ub110 \uc218 \uac10\uc18c<\/h3>\n\n\n\n

    \ub9ac\ud50c\ub85c\uc6b0 \uc624\ube10\uc740 \uc885\uc885 \uac00\uc7a5\uc790\ub9ac\uc5d0\uc11c \ubcf4\ub4dc\ub97c \uc9c0\uc9c0\ud558\uae30 \ub54c\ubb38\uc5d0 \ud070 \ubcf4\ub4dc\ub294 \uc790\uccb4 \ubb34\uac8c\ub85c \uc778\ud574 \ucc98\uc9c8 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub300\ud615 \ud328\ub110\uc758 \uacbd\uc6b0, \uae34 \uac00\uc7a5\uc790\ub9ac\ub97c \uc9c0\uc9c0 \uccb4\uc778\uc744 \ub530\ub77c \ubc30\uce58\ud558\uc5ec \ucc98\uc9d0\uc744 \uc904\uc774\uc138\uc694. \ub610\ud55c \uac00\ub2a5\ud558\uba74 \ud328\ub110\ub2f9 \ubcf4\ub4dc\ub97c \ub354 \uc801\uac8c \uc0ac\uc6a9\ud558\uc138\uc694. \ubcf4\ub4dc\ub97c \uc881\uc740 \uac00\uc7a5\uc790\ub9ac\ub97c \uc55e\uc73c\ub85c \ud5a5\ud558\uac8c \ud558\uc5ec \uc624\ube10\uc744 \ud1b5\uacfc\uc2dc\ucf1c \ucc98\uc9d0\uc744 \uc904\uc774\uc138\uc694.<\/p>\n\n\n\n

    5. \ub9ac\ud50c\ub85c\uc6b0 \uce90\ub9ac\uc5b4 \ub610\ub294 \ud2b8\ub808\uc774 \uc0ac\uc6a9<\/h3>\n\n\n\n

    \ub2e4\ub978 \ubc29\ubc95\uc73c\ub85c \ucda9\ubd84\ud558\uc9c0 \uc54a\uc740 \uacbd\uc6b0 \ub9ac\ud50c\ub85c \uce90\ub9ac\uc5b4 \ub610\ub294 \ud15c\ud50c\ub9bf\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \uce90\ub9ac\uc5b4\ub294 \uac00\uc5f4 \ubc0f \ub0c9\uac01 \uc911\uc5d0 PCB\ub97c \ud3c9\ud3c9\ud558\uac8c \uc720\uc9c0\ud569\ub2c8\ub2e4. \uce90\ub9ac\uc5b4\ub294 \ubcf4\ub4dc\uac00 Tg \uc774\ud558\ub85c \ub0c9\uac01\ub418\uc5b4 \uac15\uc131\uc744 \ud68c\ubcf5\ud560 \ub54c\uae4c\uc9c0 \ubcf4\ub4dc\uac00 \uc6c0\uc9c1\uc774\uc9c0 \uc54a\ub3c4\ub85d \uc720\uc9c0\ud569\ub2c8\ub2e4. \ub2e8\uba74 \uce90\ub9ac\uc5b4\uac00 \ucda9\ubd84\ud558\uc9c0 \uc54a\uc740 \uacbd\uc6b0 \uc0c1\ub2e8 \ud50c\ub808\uc774\ud2b8\uc640 \ud558\ub2e8 \ud50c\ub808\uc774\ud2b8 \uc0ac\uc774\uc5d0 \ubcf4\ub4dc\ub97c \uace0\uc815\ud558\ub294 2\ud53c\uc2a4 \uce90\ub9ac\uc5b4\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \uce90\ub9ac\uc5b4\ub294 \ube44\uc6a9\uc774 \ub9ce\uc774 \ub4e4\uace0 \ucde8\uae09 \uc2dc\uac04\uc774 \ub354 \ud544\uc694\ud558\uc9c0\ub9cc \ub4a4\ud2c0\ub9bc\uc744 \uc798 \uc904\uc5ec\uc90d\ub2c8\ub2e4.<\/p>\n\n\n\n

    6. V-\ucef7\uc744 \ub77c\uc6b0\ud305\ub41c \ud0ed \ub610\ub294 \u201c\ub9c8\uc6b0\uc2a4 \ubb3c\ub9bc\u201d\uc73c\ub85c \uad50\uccb4\ud558\uae30\u201d<\/h3>\n\n\n\n

    V\ucef7\uc740 \ud328\ub110\uc744 \uc57d\ud654\uc2dc\ud0ac \uc218 \uc788\uc73c\ubbc0\ub85c V\ucef7\uc758 \uae4a\uc774\ub97c \uc904\uc774\uac70\ub098 \uc194\ub9ac\ub4dc \ud0ed \ub610\ub294 \ub77c\uc6b0\ud305 \ub808\uc77c\uc744 \uc0ac\uc6a9\ud558\uc138\uc694. \ub2e8\ub2e8\ud55c \ud0ed\uc774\ub098 \uc2a4\ud0ec\ud504 \uad6c\uba4d\uc740 \ud328\ub110 \uac15\ub3c4\ub97c \ub192\uac8c \uc720\uc9c0\ud558\uace0 \ub4a4\ud2c0\ub9bc \uc704\ud5d8\uc744 \ub0ae\ucda5\ub2c8\ub2e4. V\ucef7\uc744 \uc0ac\uc6a9\ud574\uc57c \ud558\ub294 \uacbd\uc6b0, \ucef7 \uae4a\uc774\ub97c \uc595\uac8c \uc720\uc9c0\ud558\uace0 \ubcf4\ub4dc\ub97c \uc9c0\uc9c0\ud560 \uc218 \uc788\ub294 \ucda9\ubd84\ud55c \ud328\ub110 \ud504\ub808\uc784\uc744 \ub0a8\uaca8\ub450\uc138\uc694.<\/p>\n\n\n\n

    7. \uc2e0\uc911\ud55c \uc18c\uc7ac \uc120\ud0dd \ubc0f \ub300\uce6d \ub514\uc790\uc778<\/h3>\n\n\n\n

    CTE\uac00 \ube44\uc2b7\ud558\uace0 \uacf5\uc815 \uc694\uad6c \uc0ac\ud56d\uc5d0 \ub9de\ub294 \uae30\ubcf8 \uc7ac\ub8cc\ub97c \uc120\ud0dd\ud569\ub2c8\ub2e4. \uad6c\ub9ac \ud328\ud134\uc774 \uc0c1\ub2e8\uacfc \ud558\ub2e8, \uadf8\ub9ac\uace0 \ub808\uc774\uc5b4 \uac04\uc5d0 \ucd5c\ub300\ud55c \ub300\uce6d\uc774 \ub418\ub3c4\ub85d \ub514\uc790\uc778\ud569\ub2c8\ub2e4. \ud55c\ucabd\uc5d0\ub294 \uad6c\ub9ac\uac00 \ubd88\uade0\ud615\ud558\uac8c \ub300\ub7c9\uc73c\ub85c \uc8fc\uc785\ub418\uace0 \ub2e4\ub978 \ucabd\uc740 \ud76c\ubc15\ud558\uac8c \uc8fc\uc785\ub418\ub294 \uac83\uc744 \ud53c\ud558\uc138\uc694. \uac00\ub2a5\ud558\uba74 \ub0b4\ubd80 \ud3c9\uba74 \ubd84\ud560 \ub610\ub294 \uc5f4 \ub9b4\ub9ac\ud504\ub97c \uc0ac\uc6a9\ud558\uc5ec \uad6c\ub9ac \ubd84\ud3ec\uc758 \uade0\ud615\uc744 \ub9de\ucda5\ub2c8\ub2e4.<\/p>\n\n\n\n

    8. \ub300\uce6d \ub610\ub294 \uc0ac\ub824 \uae4a\uc740 \uc2a4\ud0dd\uc5c5 \uc0ac\uc6a9<\/h3>\n\n\n\n

    \ub300\uce6d \uc2a4\ud0dd\uc5c5(\uac70\uc6b8\ucc98\ub7fc \uacb9\uccd0 \uc313\uae30)\uc740 \ubd88\uade0\ud615\uc744 \uc904\uc774\uace0 \ub4a4\ud2c0\ub9bc\uc744 \uc904\uc785\ub2c8\ub2e4. \uc804\uae30\uc801\uc778 \uc774\uc720\ub85c \ube44\ub300\uce6d \uc2a4\ud0dd\uc5c5\uc774 \ud544\uc694\ud55c \uacbd\uc6b0, \uc804\uccb4 \uad6c\uc870\uac00 \uade0\ud615\uc744 \uc720\uc9c0\ud558\ub3c4\ub85d \ub808\uc774\uc5b4 \uc21c\uc11c\ub97c \uacc4\ud68d\ud558\uc138\uc694. \ucf54\uc5b4 \uc7ac\ub8cc\uac00 \ub2e4\ub978 \uacbd\uc6b0, \uc801\uce35 \uc2a4\ud0dd\uc758 \ub808\uc774\uc5b4\ub9c1 \ubc0f \ud234 \ubcf4\ub4dc \ubc30\uce58\ub97c \uc870\uc815\ud558\uc5ec \uc2a4\ud2b8\ub808\uc2a4\ub97c \uc904\uc77c \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

    9. \ub77c\ubbf8\ub124\uc774\uc158 \ub9e4\uac1c\ubcc0\uc218 \ucd5c\uc801\ud654<\/h3>\n\n\n\n

    \ub77c\ubbf8\ub124\uc774\uc158 \uc124\uc815\uc774 \uc911\uc694\ud569\ub2c8\ub2e4. \ud504\ub808\uc2a4 \uc628\ub3c4 \ud504\ub85c\ud30c\uc77c, \uc720\uc9c0 \uc2dc\uac04 \ubc0f \ub0c9\uac01 \uc81c\uc5b4\uac00 \ubaa8\ub450 \uc751\ub825\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce69\ub2c8\ub2e4. \ud56b \uc0ac\uc774\ud074\uc774 \ub05d\ub0a0 \ub54c \ub0c9\uac01\uc744 \uc81c\uc5b4\ud560 \uc218 \uc788\ub294 \ud504\ub808\uc2a4\ub97c \uc0ac\uc6a9\ud558\uc138\uc694. \ub0c9\uac01 \uae30\ub2a5\uc774 \ud1b5\ud569\ub41c \ud56b \ud504\ub808\uc2a4\ub294 \uc2a4\ud0dd\uc744 \ub0c9\uac04 \ud504\ub808\uc2a4\ub85c \ube60\ub974\uac8c \uc62e\uae30\ub294 \ud56b \ud504\ub808\uc2a4\ubcf4\ub2e4 \ub0ab\uc2b5\ub2c8\ub2e4. \ub610\ud55c \ub77c\ubbf8\ub124\uc774\uc158 \uc911\uc5d0 PCB \uc2a4\ud0dd \uc8fc\uc704\uc5d0 \ud234 \ud50c\ub808\uc774\ud2b8\uc640 \uc644\ucda9\uc7ac\ub97c \ub300\uce6d\uc73c\ub85c \uc313\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

    \ube44\ud45c\uc900 \uc7ac\ub8cc \ub610\ub294 \ube44\ub300\uce6d \uad6c\uc870\ub97c \uc0ac\uc6a9\ud574\uc57c \ud558\ub294 \ubcf4\ub4dc\uc758 \uacbd\uc6b0 \ud504\ub808\uc2a4\uc5d0\uc11c \ube44\ub300\uce6d \uc2a4\ud0dc\ud0b9\uc744 \uc2dc\ub3c4\ud574 \ubcf4\uc138\uc694. \uc774 \uc544\uc774\ub514\uc5b4\ub294 \uc5f4 \ud750\ub984\uc758 \uade0\ud615\uc744 \ub9de\ucd94\ub294 \ubc29\uc2dd\uc73c\ub85c \uc644\ucda9\uc7ac \ub610\ub294 \ud234 \ud50c\ub808\uc774\ud2b8\ub97c \ubc30\uce58\ud558\uc5ec \uc591\ucabd\uc774 \ub3d9\uc77c\ud55c \uc18d\ub3c4\ub85c \uac00\uc5f4 \ubc0f \ub0c9\uac01\ub418\ub3c4\ub85d \ud558\ub294 \uac83\uc785\ub2c8\ub2e4. \uc774\ub807\uac8c \ud558\uba74 CTE \ubd88\uc77c\uce58 \ud6a8\uacfc\ub97c \uc904\uc77c \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub77c\ubbf8\ub124\uc774\ud2b8 \ud6c4 \uacbd\ud654 \ub610\ub294 \ud6c4 \ubca0\uc774\ud06c \ub2e8\uacc4\ub3c4 \uae30\ud310 \uc548\uc815\ud654\uc5d0 \ub3c4\uc6c0\uc774 \ub429\ub2c8\ub2e4.<\/p>\n\n\n\n

    10. \uc624\ube10 \ub799 \uc2e4\uc218 \ubc29\uc9c0 \ubc0f \ubca0\uc774\ud0b9 \ud750\ub984 \uc81c\uc5b4<\/h3>\n\n\n\n

    \uc194\ub354 \ub9c8\uc2a4\ud06c \ub610\ub294 \ubc94\ub840 \uc789\ud06c\ub97c \uad6c\uc6b8 \ub54c\ub294 \uc544\ub798\ucabd \ubcf4\ub4dc\uac00 \ubb34\uac8c\ub85c \uc778\ud574 \uad6c\ubd80\ub7ec\uc9c0\ub294 \ubc29\uc2dd\uc73c\ub85c \ubcf4\ub4dc\ub97c \uc313\uc9c0 \ub9c8\uc138\uc694. \ubc14\ub78c\uc5d0 \uc758\ud574 \ubcf4\ub4dc\uac00 \uad6c\ubd80\ub7ec\uc9c0\uc9c0 \uc54a\ub3c4\ub85d \uc624\ube10\uc758 \ubcf4\ub4dc \ubc29\ud5a5\uc774 \uacf5\uae30 \ud750\ub984\uacfc \uc77c\uce58\ud558\ub294\uc9c0 \ud655\uc778\ud558\uc138\uc694. \uc5f4\ud48d \ud3c9\ud0c4\ud654 \uc791\uc5c5 \uc2dc, \uc5f4\ucda9\uaca9\uc744 \uc720\ubc1c\ud558\ub294 \uae09\uaca9\ud55c \ub0c9\uac01\uc744 \ubc29\uc9c0\ud558\uae30 \uc704\ud574 \ubcf4\ub4dc\ub97c \ud3c9\ud3c9\ud558\uac8c \ub193\uace0 \ubb3c \uc138\ucc99 \uc804 \ucd5c\uc18c 30\ucd08 \ub3d9\uc548 \uc2dd\ud600\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

    11. \uc800\uc7a5 \ubc0f \ucde8\uae09 \uad00\ub9ac<\/h3>\n\n\n\n

    \ubcf4\ub4dc\uac00 \uad6c\ubd80\ub7ec\uc9c0\uc9c0 \uc54a\ub294 \ub799\uc5d0 \ubcf4\ub4dc\ub97c \ubcf4\uad00\ud558\uc138\uc694. \ubcf4\ub4dc\uac00 \uc11c\ub85c\ub97c \ub204\ub97c \uc218 \uc788\ub294 \uc881\uc740 \uacf5\uac04\uc5d0 \ub9ce\uc740 \ub799\uc744 \uc313\uc544\ub450\uc9c0 \ub9c8\uc138\uc694. \uc801\uc808\ud55c \ud314\ub808\ud2b8\uc640 \ub799 \uac04\uaca9\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc18c\uc131\uc5d0 \uc758\ud574 \ubcf4\ub4dc\uac00 \ub20c\ub9ac\uac70\ub098 \ubcc0\ud615\ub418\uc9c0 \uc54a\ub3c4\ub85d \ud558\uc138\uc694. \ubcf4\uad00 \uc911 \uc77c\ubd80 \ubcc0\ud615\uc740 \ub098\uc911\uc5d0 \ud3c9\ud3c9\ud558\uac8c \ud558\ub294 \ub2e8\uacc4\uc5d0\uc11c\ub3c4 \uc644\uc804\ud788 \uc81c\uac70\ub418\uc9c0 \uc54a\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

    12. \ubc30\uc1a1 \uc804 \ud3c9\ud0c4\ud654(\ucd5c\uc885 \ud3c9\ud0c4\ud654)<\/h3>\n\n\n\n

    \ub300\ubd80\ubd84\uc758 PCB \uc81c\uc870\uc5c5\uccb4\ub294 \ubc30\uc1a1 \uc804\uc5d0 \ucd5c\uc885 \ud3c9\ud0c4\ud654 \ub2e8\uacc4\ub97c \uc9c4\ud589\ud569\ub2c8\ub2e4. \uc774 \ub2e8\uacc4\ub294 \uae30\uacc4\uc801 \ud3c9\ud0c4\ud654 \ub610\ub294 \uc911\ub7c9\uc5d0 \uc758\ud55c \uc5f4 \ud3c9\ud0c4\ud654\uc77c \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc194\ub354 \ub9c8\uc2a4\ud06c\uc640 \ud45c\uba74 \ucf54\ud305\uc740 \uc5f4 \ud3c9\ud0c4\ud654\uc758 \uc791\ub3d9 \ubc29\uc2dd\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce58\ubbc0\ub85c \ubca0\uc774\ud06c \uc628\ub3c4\uc640 \uc2dc\uac04\uc744 \uc2e0\uc911\ud558\uac8c \uc81c\uc5b4\ud574\uc57c \ud569\ub2c8\ub2e4. \ub300\ubd80\ubd84\uc758 \uae30\ud310\uc758 \uacbd\uc6b0, Tg \ubc14\ub85c \uc544\ub798 \ub610\ub294 \uadf8 \uadfc\ucc98\uae4c\uc9c0 \uac00\uc5f4\ud558\uace0 \ub0c9\uac01\ud558\ub294 \ub3d9\uc548 \ubb34\uac8c\ub97c \uc0ac\uc6a9\ud558\uba74 \uae30\ud310\uc744 \ud3c9\ud3c9\ud558\uac8c \ub9cc\ub4dc\ub294 \ub370 \ub3c4\uc6c0\uc774 \ub429\ub2c8\ub2e4. Tg\uac00 \ub192\uc740 \uc7ac\ub8cc\uc758 \uacbd\uc6b0 \ub354 \ub192\uc740 \uc628\ub3c4\uac00 \ud544\uc694\ud560 \uc218 \uc788\uc9c0\ub9cc \uc789\ud06c \ubc0f \ucf54\ud305 \ud55c\uacc4\uc5d0 \uc8fc\uc758\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

    \uad7d\ub294 \ub3d9\uc548 \uc555\ub825\uc744 \uac00\ud558\uace0 \uad7d\uace0 \ub09c \ud6c4 \ub0c9\uac01 \uc2dc\uac04\uc744 \ub2a6\ucd94\uba74 \ud3c9\ud0c4\ud654 \ud6a8\uacfc\uc5d0 \ub3c4\uc6c0\uc774 \ub429\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc124\uc815\uc740 \ubcf4\ub4dc \uc18c\uc7ac \ubc0f \ucf54\ud305\uacfc \uc77c\uce58\ud574\uc57c \ud569\ub2c8\ub2e4. \ucd5c\uc885 \ud3c9\ud0c4\ud654\ub294 \ub4a4\ud2c0\ub9bc\uc744 \ud06c\uac8c \uc904\uc77c \uc218 \uc788\uc9c0\ub9cc, \uc774\uc804 \uacf5\uc815 \ub2e8\uacc4\uc5d0\uc11c \ud070 \ub0b4\uc7a5 \uc751\ub825\uc774 \ubc1c\uc0dd\ud55c \uacbd\uc6b0 \uc644\uc804\ud55c \ud574\uacb0\ucc45\uc740 \uc544\ub2d9\ub2c8\ub2e4.<\/p>\n\n\n\n

    \uc81c\uc791 \ubc0f \ub514\uc790\uc778 \ub178\ud2b8<\/h2>\n\n\n\n

    \ubcf4\ub4dc\uc5d0 \uc800-Tg \uc18c\uc7ac\ub97c \uc0ac\uc6a9\ud558\ub294 \uacbd\uc6b0, \ub4a4\ud2c0\ub9bc\uc5d0 \ub300\ud55c \uacb0\ud568\ub960\uc774 \uace0-Tg \uc18c\uc7ac\ubcf4\ub2e4 \ub192\uc740 \uacbd\ud5a5\uc774 \uc788\uc2b5\ub2c8\ub2e4. \uace0-Tg \uc18c\uc7ac\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \ud544\ub7ec\ub97c \ud3ec\ud568\ud558\uba70 \uc800-Tg \uc720\ud615\ubcf4\ub2e4 CTE\uac00 \ub0ae\uc2b5\ub2c8\ub2e4. \ub2e4\uc6b4\uc2a4\ud2b8\ub9bc \uacf5\uc815\uc5d0\uc11c 150\u00b0C\uc5d0 \uac00\uae4c\uc6b4 \uc77c\ubc18\uc801\uc778 \ubca0\uc774\ud06c \uc628\ub3c4\ub294 \uc800-Tg \ubcf4\ub4dc\uc5d0 \ub354 \ub9ce\uc740 \uc601\ud5a5\uc744 \ubbf8\uce69\ub2c8\ub2e4.<\/p>\n\n\n\n

    \uc124\uacc4 \uc2dc \uad6c\uc870\uc801 \ube44\ub300\uce6d, \uc7ac\ub8cc \ube44\ub300\uce6d, \uace0\ub974\uc9c0 \uc54a\uc740 \uad6c\ub9ac \ud328\ud134\uc744 \ud53c\ud558\uc138\uc694. \uc774\ub7ec\ud55c \uc124\uacc4 \ubb38\uc81c\ub294 \ub4a4\ud2c0\ub9bc \uc704\ud5d8\uc744 \uc99d\uac00\uc2dc\ud0b5\ub2c8\ub2e4. \ub610\ud55c \ucf54\uc5b4 \ub300 \ucf54\uc5b4 \ub77c\ubbf8\ub124\uc774\uc158(\uc5ec\ub7ec \ucf54\uc5b4\ub97c \uc9c1\uc811 \uc811\ud569)\uc740 \uad6c\ub9ac \ud638\uc77c \ub77c\ubbf8\ub124\uc774\uc158\uc744 \uc0ac\uc6a9\ud55c \ub2e8\uc77c \ucf54\uc5b4\ubcf4\ub2e4 \ub354 \ubcf5\uc7a1\ud55c \uc751\ub825\uc744 \uc720\ubc1c\ud558\ub294 \uacbd\uc6b0\uac00 \ub9ce\uc2b5\ub2c8\ub2e4. \ucf54\uc5b4\uac00 3\uac1c \uc774\uc0c1\uc778 \ucf54\uc5b4 \uc2a4\ud0dd\uc740 \ub2e8\uc21c\ud55c \uad6c\uc870\ubcf4\ub2e4 \ub4a4\ud2c0\ub9bc \ud14c\uc2a4\ud2b8\uc5d0\uc11c \ub354 \ub192\uc740 \uc2e4\ud328\uc728\uc744 \ubcf4\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

    \ud328\ub110 \ud504\ub808\uc784 \ub514\uc790\uc778\ub3c4 \ub4a4\ud2c0\ub9bc\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce69\ub2c8\ub2e4. \ud328\ub110 \uac00\uc7a5\uc790\ub9ac\uc5d0 \uc5f0\uc18d\uc801\uc778 \ub300\ud615 \uad6c\ub9ac \ud504\ub808\uc784\uc774 \uc788\uc73c\uba74 \ub77c\ubbf8\ub124\uc774\uc158 \uc911\uc5d0 \uc804\uccb4 \ud328\ub110\uc774 \ub2e8\ub2e8\ud574\uc9c0\uace0 \uc751\ub825\uc774 \uc81c\uc790\ub9ac\uc5d0 \uc720\uc9c0\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \uc751\ub825\uc740 \ub77c\uc6b0\ud305 \ud6c4\uc5d0 \ubc29\ucd9c\ub418\uc5b4 \ub2e8\uc77c \ubcf4\ub4dc\uac00 \ub354 \ud718\uc5b4\uc9c8 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uad6c\ub9ac \uc810 \ub610\ub294 \ube14\ub85d\uc774 \uc788\ub294 \ube44\uc5f0\uc18d \ud504\ub808\uc784\uc740 \uc751\ub825\uc744 \uc11c\uc11c\ud788 \ubc29\ucd9c\ud558\ub294 \uacbd\ud5a5\uc774 \uc788\uc73c\uba70 \ub77c\uc6b0\ud305 \ud6c4 \ub2e8\uc77c \ubcf4\ub4dc\uc758 \ud728\uc774 \ub35c \ubc1c\uc0dd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

    \ub77c\ubbf8\ub124\uc774\uc158 \uc804\ub7b5<\/h2>\n\n\n\n

    \ub77c\ubbf8\ub124\uc774\uc158\uc740 \ub4a4\ud2c0\ub9bc \uc81c\uc5b4\uc758 \ud575\uc2ec\uc785\ub2c8\ub2e4. \uc801\uc808\ud55c \ud504\ub808\uc2a4 \uc120\ud0dd, \uc62c\ubc14\ub978 \ub9e4\uac1c\ubcc0\uc218 \uc124\uc815, \uc2a4\ud0dd \ubc30\uc5f4\uc744 \uacc4\ud68d\ud558\uc5ec \uc751\ub825\uc744 \uc904\uc774\uc138\uc694. \ub300\uce6d \uad6c\uc870\uc758 \uacbd\uc6b0 \ub300\uce6d \uc2a4\ud0dd\uacfc \ub300\uce6d \ud234 \ud50c\ub808\uc774\ud2b8\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \ud504\ub808\uc2a4 \ub0b4\ubd80\uc758 \uc2a4\ud0dd\uc744 \ub0c9\uac01\ud558\ub294 \ud56b \ud504\ub808\uc2a4\ub294 \ubcc4\ub3c4\uc758 \ucf5c\ub4dc \ud504\ub808\uc2a4\ub85c \uc774\ub3d9\ud558\ub294 \uac83\ubcf4\ub2e4 \ub0ab\uc2b5\ub2c8\ub2e4. \uc18c\uc7ac\uac00 \uc9c0\uc9c0\ub41c \uc0c1\ud0dc\uc5d0\uc11c \ub0c9\uac01\ud558\uba74 \ub4a4\ud2c0\ub9bc\uc73c\ub85c \uc774\uc5b4\uc9c0\ub294 \uc751\ub825 \ubc29\ucd9c\uc774 \uc904\uc5b4\ub4ed\ub2c8\ub2e4.<\/p>\n\n\n\n

    \ube44\ub300\uce6d \ubcf4\ub4dc\ub97c \ub9cc\ub4e4\uc5b4\uc57c \ud558\ub294 \uacbd\uc6b0 \ube44\ub300\uce6d \ub3c4\uad6c \uc2a4\ud0dc\ud0b9 \ubc0f \ud6c4 \uacbd\ud654 \ub2e8\uacc4\ub97c \uc2e4\ud5d8\ud574 \ubcf4\uc138\uc694. \uc774 \ubc29\ubc95\uc740 \uc591\ucabd \ubcf4\ub4dc \ud45c\uba74\uc744 \ub2e4\ub974\uac8c \uac00\uc5f4\ud558\uac70\ub098 \ub0c9\uac01\uc2dc\ud0a4\ub294 \ubc29\uc2dd\uc73c\ub85c \uc644\ucda9\uc7ac\ub97c \ubc30\uce58\ud558\uc5ec \ucd5c\uc885 \uc218\ucd95\uc774 \uade0\ud615\uc744 \uc774\ub8e8\ub3c4\ub85d \ud569\ub2c8\ub2e4. \ub77c\ubbf8\ub124\uc774\uc158 \ud6c4 2\ucc28 \uacbd\ud654 \ub610\ub294 \ud3c9\ud0c4\ud654 \ub2e8\uacc4\ub97c \ucd94\uac00\ud558\uace0 \uae30\ud310 \ub450\uaed8 \uacf5\ucc28\ub97c \ud655\uc778\ud558\uba74 \uace0\uac1d \uc0ac\uc591 \ub0b4\uc5d0\uc11c \ubd80\ud488\uc744 \uc5bb\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

    \uae30\ud0c0 \ud504\ub85c\uc138\uc2a4 \uc81c\uc5b4<\/h2>\n\n\n\n

    \ub77c\ubbf8\ub124\uc774\uc158 \uc678\uc5d0\ub3c4 \uc194\ub354 \ub9c8\uc2a4\ud06c \uacbd\ud654, \ub808\uc804\ub4dc \uacbd\ud654, HASL, \ub9ac\ud50c\ub85c\uc6b0\uc640 \uac19\uc740 \ub2e4\ub978 \uace0\uc5f4 \ub2e8\uacc4\ub3c4 \uae30\uc5b5\ud558\uc138\uc694. \uc774\ub7ec\ud55c \ub2e8\uacc4\ub294 \uc2a4\ud2b8\ub808\uc2a4\ub97c \uc720\ubc1c\ud558\ub294 \uae09\uaca9\ud55c \uac00\uc5f4 \ubc0f \ub0c9\uac01 \uc8fc\uae30\ub97c \ud53c\ud558\uae30 \uc704\ud574 \uc81c\uc5b4\ub418\uc5b4\uc57c \ud569\ub2c8\ub2e4. \uc801\uc808\ud55c \uc624\ube10 \ud504\ub85c\ud30c\uc77c\uc744 \uc0ac\uc6a9\ud558\uace0, \uac00\uc5f4 \ubc0f \ub0c9\uac01 \uc2dc\uac04\uc744 \ub298\ub9ac\uace0, \ubcf4\ub4dc\ub97c \ud3c9\ud3c9\ud55c \ud45c\uba74\uc5d0\uc11c \uc26c\uac70\ub098 \uc2dd\ud788\ub3c4\ub85d \ud558\uc138\uc694. \ubcf4\uad00 \uc911\uc5d0\ub294 \ubcf4\ub4dc\ub97c \uad6c\ubd80\ub824\uc11c \uc313\uc9c0 \uc54a\ub3c4\ub85d \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

    \ucd5c\uc885 \ud3c9\ud0c4\ud654 \ubc0f \ubc30\uc1a1<\/h2>\n\n\n\n

    \ub300\ubd80\ubd84\uc758 \uacf5\uc7a5\uc5d0\uc11c\ub294 \ubc30\uc1a1 \uc804\uc5d0 \uacf5\uc815\uc73c\ub85c \uc778\ud55c \ud728\uc744 \uc81c\uac70\ud558\uae30 \uc704\ud574 \ubcf4\ub4dc\ub97c \ud3c9\ud3c9\ud558\uac8c \ub9cc\ub4ed\ub2c8\ub2e4. \uae30\uacc4\uc801 \ud3c9\ud0c4\ud654 \ub610\ub294 \uc911\ub7c9\uc5d0 \uc758\ud55c \uc5f4 \ud3c9\ud0c4\ud654\ub294 \ud3c9\ud0c4\ub3c4\ub97c \ud5a5\uc0c1\uc2dc\ud0b5\ub2c8\ub2e4. \uc77c\ubc18\uc801\uc778 \uc18c\uc7ac\uc758 \uacbd\uc6b0, 140~150\u00b0C \uadfc\ucc98\uc5d0\uc11c \ud3c9\ud0c4\ud654 \ubca0\uc774\ud06c\ub294 \ub9ce\uc740 \ud45c\uc900 \ubcf4\ub4dc\uc758 Tg\ubcf4\ub2e4 \ub192\uae30 \ub54c\ubb38\uc5d0 \ud6a8\uacfc\uc801\uc785\ub2c8\ub2e4. Tg\uac00 \ub192\uc740 \ubcf4\ub4dc\uc758 \uacbd\uc6b0, \uc774 \ubca0\uc774\ud06c\ub294 \ud6a8\uacfc\uac00 \ub5a8\uc5b4\uc9c0\ubbc0\ub85c \uc870\uc2ec\uc2a4\ub7fd\uac8c \uc99d\uac00\uc2dc\ucf1c\uc57c \ud569\ub2c8\ub2e4. \ub354 \ub192\uc740 \uc555\ub825\uacfc \ub354 \uae34 \ub0c9\uac01 \uc2dc\uac04\uc744 \uc0ac\uc6a9\ud558\uba74 \uacb0\uacfc\ub97c \uac1c\uc120\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ud3c9\ud0c4\ud654 \ub2e8\uacc4\ub294 \ucd5c\uc885 \uace0\uac1d\uc774 \ubcf4\ub294 \ucd5c\uc885 \ud3c9\ud0c4\ub3c4\uc5d0 \ud070 \ucc28\uc774\ub97c \ub9cc\ub4e4 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

    \uc694\uc57d \ubc0f \uc2e4\ubb34 \uccb4\ud06c\ub9ac\uc2a4\ud2b8<\/h2>\n\n\n\n

    \ub4a4\ud2c0\ub9bc\uc740 \uc77c\ubc18\uc801\uc778 PCB \ubb38\uc81c\uc785\ub2c8\ub2e4. \uc774\ub294 \uc7ac\ub8cc \ubd88\uc77c\uce58, \uc5f4 \uc8fc\uae30, \ucde8\uae09, \ubb34\uac70\uc6b4 \ubd80\ud488, \ud328\ub110 \uc124\uacc4\uc5d0\uc11c \ube44\ub86f\ub429\ub2c8\ub2e4. \ub4a4\ud2c0\ub9bc\uc744 \uc904\uc774\ub824\uba74:<\/p>\n\n\n\n

      \n
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    • \uae4a\uc740 V\ucef7\uc744 \ub77c\uc6b0\ud305\ub41c \ud0ed\uc774\ub098 \uc2a4\ud0ec\ud504 \uad6c\uba4d\uc73c\ub85c \ub300\uccb4\ud558\uac70\ub098 \uc904\uc774\uc138\uc694.<\/li>\n\n\n\n
    • \ub77c\ubbf8\ub124\uc774\uc158 \uc124\uc815\uc744 \ucd5c\uc801\ud654\ud558\uace0 \uac00\ub2a5\ud558\uba74 \ud56b-\ucf5c\ub4dc \ud1b5\ud569 \ud504\ub808\uc2a4\ub97c \uc0ac\uc6a9\ud558\uc138\uc694.<\/li>\n\n\n\n
    • \uad7d\ub294 \ub3d9\uc548 \ubcf4\ub4dc\ub97c \uc313\uac70\ub098 \uc555\ucd95\ud558\uc9c0 \ub9c8\uc138\uc694.<\/li>\n\n\n\n
    • \uc81c\uc5b4\ub41c \uc5f4\uacfc \uc555\ub825\uc73c\ub85c \ub9c8\uc9c0\ub9c9 \ud3c9\ud0c4\ud654 \ub2e8\uacc4\ub97c \ucd94\uac00\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n

      \uc124\uacc4 \ubc0f \uc0dd\uc0b0 \ub2e8\uacc4\uc5d0\uc11c \uc774\ub7ec\ud55c \ub2e8\uacc4\ub97c \ub530\ub974\uba74 \ub4a4\ud2c0\ub9bc\ub960\uc744 \uc904\uc774\uace0 \uc7ac\uc791\uc5c5 \ubc0f \uc870\ub9bd \uc2e4\ud328\ub97c \uc904\uc77c \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uac01 \uae30\ud310\uc740 \ubaa8\ub450 \ub2e4\ub974\ubbc0\ub85c \uc804\uccb4 \uc0dd\uc0b0 \uc804\uc5d0 \uc0c8\ub85c\uc6b4 \uc2a4\ud0dd\uc5c5, \uc7ac\ub8cc \ub610\ub294 \ud328\ub110 \uad6c\uc131\uc5d0 \ub300\ud55c \uc18c\uaddc\ubaa8 \ud14c\uc2a4\ud2b8\ub97c \uc2e4\ud589\ud558\uc138\uc694. \uc774\ub807\uac8c \ud558\uba74 \ub300\ub7c9 \uc0dd\uc0b0\uc5d0\uc11c \uc704\ud5d8\uc744 \uc81c\uac70\ud558\uace0 \ud488\uc9c8\uc744 \ub192\uac8c \uc720\uc9c0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

      \ub9c8\ubb34\ub9ac \ub178\ud2b8<\/h2>\n\n\n\n

      \uc124\uacc4 \ub2e8\uacc4\uc640 \uacf5\uc815 \uacc4\ud68d \uc911\uc5d0 \ub4a4\ud2c0\ub9bc\uc744 \ud574\uacb0\ud558\uc138\uc694. \uad6c\ub9ac \ub808\uc774\uc544\uc6c3, \ud328\ub110\ub9c1 \uc804\ub7b5 \ub610\ub294 \ub77c\ubbf8\ub124\uc774\uc158 \uc21c\uc11c\ub97c \uc870\uae08\ub9cc \ubcc0\uacbd\ud574\ub3c4 \ud070 \uc601\ud5a5\uc744 \ubbf8\uce60 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uae30\ud310\uc774 \uc5ec\uc804\ud788 \ud718\uc5b4\uc9c0\uba74 \uce90\ub9ac\uc5b4\ub97c \uc0ac\uc6a9\ud558\uac70\ub098 \ub450\uaed8\ub97c \ub298\ub9ac\uac70\ub098 \uc7ac\ub8cc \ub4f1\uae09\uc744 \ubcc0\uacbd\ud558\uc138\uc694. \uae30\ud310 \uacf5\uae09\uc5c5\uccb4\uc640 \ud611\ub825\ud558\uc5ec \uc124\uacc4 \uaddc\uce59\uacfc \uacf5\uc815 \uc81c\uc5b4\ub97c \uacb0\ud569\ud55c \uc811\uadfc \ubc29\uc2dd\uc744 \uc120\ud0dd\ud558\uc138\uc694. \uc774\ub807\uac8c \ud558\uba74 \uc5b4\uc148\ube14\ub9ac\uc758 \uc548\uc815\uc131\uc744 \ub192\uc774\uace0 \ubd80\ud488 \ubd88\ub7c9 \ubc0f \uc7ac\uc791\uc5c5\uc73c\ub85c \uc778\ud55c \ube44\uc6a9\uc744 \uc808\uac10\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>","protected":false},"excerpt":{"rendered":"

      Introduction When a printed circuit board (PCB) goes through reflow soldering, it often bends or warps. If the problem is 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