{"id":9560,"date":"2024-12-11T08:14:36","date_gmt":"2024-12-11T08:14:36","guid":{"rendered":"https:\/\/www.besterpcba.com\/?p=9560"},"modified":"2024-12-11T08:22:41","modified_gmt":"2024-12-11T08:22:41","slug":"how-circuit-boards-work","status":"publish","type":"post","link":"https:\/\/www.besterpcba.com\/ko\/%ed%9a%8c%eb%a1%9c-%ea%b8%b0%ed%8c%90-%ec%9e%91%eb%8f%99-%eb%b0%a9%ec%8b%9d\/","title":{"rendered":"PCB\ub780 \ubb34\uc5c7\uc774\uba70 \ud68c\ub85c \uae30\ud310\uc758 \uc791\ub3d9 \uc6d0\ub9ac"},"content":{"rendered":"<p>\uc2a4\ub9c8\ud2b8\ud3f0\uc758 \ubcf5\uc7a1\ud55c \ub0b4\ubd80 \uc791\ub3d9 \ubc29\uc2dd\uc5d0 \uac10\ud0c4\ud558\uac70\ub098 \ubcf5\uc7a1\ud55c \uc704\uc131 \uc2dc\uc2a4\ud15c\uc774 \uc5b4\ub5bb\uac8c \uc774\ub807\uac8c \uc791\uc740 \ud328\ud0a4\uc9c0\uc5d0 \ub4e4\uc5b4\uac08 \uc218 \uc788\ub294\uc9c0 \uad81\uae08\ud55c \uc801\uc774 \uc788\uc73c\uc2e0\uac00\uc694? \uadf8 \ud574\ub2f5\uc740 \uc804\uc790\uacf5\ud559\uc758 \uc138\uacc4\uc5d0 \ud601\uba85\uc744 \uc77c\uc73c\ud0a8 \ub180\ub77c\uc6b4 \ubc1c\uba85\ud488\uc778 \uc778\uc1c4 \ud68c\ub85c \uae30\ud310\uc5d0 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \ud3c9\ubc94\ud558\uc9c0\ub9cc \ub3c5\ucc3d\uc801\uc778 \ubd80\ud488\uc740 \uac00\uc7a5 \ub2e8\uc21c\ud55c \uacc4\uc0b0\uae30\ubd80\ud130 \ucd5c\ucca8\ub2e8 \uc288\ud37c\ucef4\ud4e8\ud130\uc5d0 \uc774\ub974\uae30\uae4c\uc9c0 \uc624\ub298\ub0a0 \uc6b0\ub9ac\uac00 \uc0ac\uc6a9\ud558\ub294 \uac70\uc758 \ubaa8\ub4e0 \uc804\uc790 \uae30\uae30\uc758 \uadfc\uac04\uc744 \uc774\ub8e8\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\uc804\uc790 \ubd80\ud488\uc758 \uad6c\uc131, \ub514\uc790\uc778, \uc81c\uc870 \uacf5\uc815, \uadf8\ub9ac\uace0 \ud604\ub300 \uae30\uc220\uc5d0\uc11c \uc911\uc694\ud55c \uc5ed\ud560\uc744 \ud558\ub294 \uc804\uc790 \ubd80\ud488\uc5d0 \ub300\ud574 \uc54c\uc544\ubcf4\uc138\uc694. \ub178\ub828\ud55c \uc5d4\uc9c0\ub2c8\uc5b4\ub4e0 \ub2e8\uc21c\ud788 \uc88b\uc544\ud558\ub294 \uae30\uae30\uc758 \ub0b4\ubd80 \uc791\ub3d9 \ubc29\uc2dd\uc774 \uad81\uae08\ud55c \ubd84\uc774\ub4e0, \uc774 \uae00\uc744 \ud1b5\ud574 \ud544\uc218 \uc804\uc790 \ubd80\ud488\uc5d0 \ub300\ud55c \ucca0\uc800\ud55c \uc774\ud574\ub97c \uc5bb\uc744 \uc218 \uc788\uc744 \uac83\uc785\ub2c8\ub2e4.<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"what-is-a-printed-circuit-board\">\uc778\uc1c4 \ud68c\ub85c \uae30\ud310\uc774\ub780?<\/h2>\n\n\n<p>\uc778\uc1c4 \ud68c\ub85c \uae30\ud310(PCB)\uc740 \ube44\uc804\ub3c4\uc131 \uc7ac\ub8cc\ub85c \ub9cc\ub4e0 \ud3c9\ud3c9\ud55c \uae30\ud310\uc73c\ub85c, \ud575\uc2ec \uc804\uc790 \ubd80\ud488\uc744 \uc5f0\uacb0\ud558\uace0 \uc9c0\uc9c0\ud558\ub294 \ud50c\ub7ab\ud3fc \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4. \ud558\uc9c0\ub9cc \uc774 \uac04\ub2e8\ud55c \uc815\uc758\ub294 \uc2e4\uc81c \ubcf5\uc7a1\uc131\uacfc \uc911\uc694\uc131\uc5d0 \ub300\ud55c \ud45c\uba74\uc801\uc778 \uc124\uba85\uc5d0 \ubd88\uacfc\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\ub3c4\ub85c\uac00 \uad6c\ub9ac\ub85c \ub9cc\ub4e4\uc5b4\uc9c0\uace0 \uac74\ubb3c\uc774 \uc804\uc790 \ubd80\ud488\uc73c\ub85c \uc774\ub8e8\uc5b4\uc9c4 \ubbf8\ub2c8\uc5b4\ucc98 \ub3c4\uc2dc\ub97c \uc0c1\uc0c1\ud574 \ubcf4\uc138\uc694. \uacac\uace0\ud558\uace0 \ub2e8\uc5f4\ub41c \uae30\ucd08 \uc704\uc5d0 \ub193\uc778 \uc774 \ub3c4\uc2dc\ub294 \ubcf8\uc9c8\uc801\uc73c\ub85c \uc804\uc790\uc81c\ud488\uc758 \uc138\uacc4\uc5d0\uc11c PCB\uac00 \uc0c1\uc9d5\ud558\ub294 \uac83\uacfc \uac19\uc2b5\ub2c8\ub2e4. \ube44\uc720\uc5d0\uc11c '\ub3c4\ub85c'\ub294 \uc2e4\uc81c\ub85c\ub294 \uae30\ud310 \ud45c\uba74\uc5d0 \uc5d0\uce6d \ub610\ub294 \uc778\uc1c4\ub41c \ud2b8\ub808\uc774\uc2a4\ub77c\uace0 \ud558\ub294 \uc587\uc740 \uad6c\ub9ac \ud1b5\ub85c\uc785\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ud2b8\ub808\uc774\uc2a4\ub294 \ub2e4\uc591\ud55c \uc804\uc790 \ubd80\ud488\uc744 \uc5f0\uacb0\ud558\ub294 \uc804\uc120 \uc5ed\ud560\uc744 \ud558\uc5ec \uc804\uae30\uac00 \uc815\ubc00\ud558\uac8c \uc81c\uc5b4\ub41c \ubc29\uc2dd\uc73c\ub85c \ubd80\ud488 \uac04\uc5d0 \ud750\ub974\ub3c4\ub85d \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\uc774 \uc804\uc790 \ub3c4\uc2dc\uc758 \uae30\ucd08\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \uc720\ub9ac\uc12c\uc720 \uac15\ud654 \uc5d0\ud3ed\uc2dc \ub77c\ubbf8\ub124\uc774\ud2b8\uc758 \uc77c\uc885\uc778 FR4\ub77c\ub294 \uc7ac\ub8cc\ub85c \ub9cc\ub4e4\uc5b4\uc9d1\ub2c8\ub2e4. FR4\ub294 \uc804\uae30 \uc808\uc5f0 \ud2b9\uc131, \uae30\uacc4\uc801 \uac15\ub3c4, \uc5f4\uacfc \uc2b5\uae30\uc5d0 \ub300\ud55c \uc800\ud56d\uc131\uc774 \ub6f0\uc5b4\ub098\ub2e4\ub294 \ud3c9\uac00\ub97c \ubc1b\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \ud2b9\uc815 \uc6a9\ub3c4\uc5d0 \ub530\ub77c \uc5d0\ud3ed\uc2dc\ub098 \ud398\ub180\uacfc \uac19\uc740 \ub2e4\ub978 \uc18c\uc7ac\uac00 \uc0ac\uc6a9\ub420 \uc218 \uc788\uc73c\uba70, \ud2b9\ud788 \ub35c \uae4c\ub2e4\ub86d\uac70\ub098 \ube44\uc6a9\uc5d0 \ubbfc\uac10\ud55c \uc6a9\ub3c4\uc758 \uacbd\uc6b0 \ub354\uc6b1 \uadf8\ub807\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p>PCB\ub294 \uc804\uc790 \uc81c\uc870\uc5d0 \ud601\uba85\uc744 \uc77c\uc73c\ucf30\uc2b5\ub2c8\ub2e4. PCB\uac00 \ub4f1\uc7a5\ud558\uae30 \uc804\uc5d0\ub294 \uc804\uc790 \uae30\uae30\ub294 \uc810\ub300\uc810 \ubc30\uc120 \ub610\ub294 \uc640\uc774\uc5b4 \ub798\ud551 \uae30\uc220\uc5d0 \uc758\uc874\ud588\uc2b5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ubc29\uc2dd\uc740 \ub178\ub3d9 \uc9d1\uc57d\uc801\uc774\uace0 \uc2dc\uac04\uc774 \ub9ce\uc774 \uc18c\uc694\ub420 \ubfd0\ub9cc \uc544\ub2c8\ub77c \uc624\ub958\uc640 \uc2e0\ub8b0\uc131 \ubb38\uc81c\uac00 \ubc1c\uc0dd\ud558\uae30 \uc26c\uc6e0\uc2b5\ub2c8\ub2e4. \ubc18\uba74 PCB\ub294 \ubcf5\uc7a1\ud55c \uc804\uc790 \ud68c\ub85c\ub97c \ub9cc\ub4dc\ub294 \ub370 \uc788\uc5b4 \ubcf4\ub2e4 \uac04\uc18c\ud654\ub418\uace0 \uc548\uc815\uc801\uc774\uba70 \ube44\uc6a9 \ud6a8\uc728\uc801\uc778 \uc194\ub8e8\uc158\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"pcb-layers-and-materials\">PCB \ub808\uc774\uc5b4 \ubc0f \uc7ac\ub8cc<\/h2>\n\n\n<p>PCB\ub97c \uc81c\ub300\ub85c \uc774\ud574\ud558\ub824\uba74 \ub9d0 \uadf8\ub300\ub85c PCB\uc758 \uce35\uc744 \ubc97\uaca8\ub0b4\uc57c \ud569\ub2c8\ub2e4. PCB\ub294 \ud558\ub098\uc758 \uade0\uc77c\ud55c \uae30\ud310\uc774 \uc544\ub2c8\ub77c \uac01\uac01 \ud2b9\uc815 \uc6a9\ub3c4\uc5d0 \ub9de\uac8c \uc138\uc2ec\ud558\uac8c \uc124\uacc4\ub41c \ub2e4\uc591\ud55c \uc7ac\ub8cc\uc758 \uc0cc\ub4dc\uc704\uce58\uc785\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ub808\uc774\uc5b4\ub97c \uc790\uc138\ud788 \uc0b4\ud3b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"substrate-layer\">\uae30\ud310 \ub808\uc774\uc5b4<\/h3>\n\n\n<p>\uae30\ud310 \ub808\uc774\uc5b4\ub294 \ubaa8\ub4e0 PCB\uc758 \ud575\uc2ec\uc785\ub2c8\ub2e4. \uc774\uac83\uc740 \ub2e4\ub978 \ubaa8\ub4e0 \uac83\uc774 \uad6c\ucd95\ub418\ub294 \uae30\ubc18\uc774\uba70, \uadf8 \ud2b9\uc131\uc740 \ubcf4\ub4dc\uc758 \uc804\ubc18\uc801\uc778 \uc131\ub2a5\uc5d0 \uacb0\uc815\uc801\uc778 \uc601\ud5a5\uc744 \ubbf8\uce69\ub2c8\ub2e4. \uc55e\uc11c \uc5b8\uae09\ud588\ub4ef\uc774 PCB \uae30\ud310\uc5d0 \uac00\uc7a5 \uc77c\ubc18\uc801\uc73c\ub85c \uc0ac\uc6a9\ub418\ub294 \uc18c\uc7ac\ub294 FR4\uc778\ub370, \uc774 \uc18c\uc7ac\uac00 \uc5c5\uacc4\uc5d0\uc11c \ub110\ub9ac \uc0ac\uc6a9\ub418\ub294 \uc774\uc720\ub294 \ubb34\uc5c7\uc77c\uae4c\uc694?<\/p>\n\n\n\n<p>FR4\uc758 \uc778\uae30\ub294 \ub180\ub77c\uc6b4 \ud2b9\uc131 \uc870\ud569\uc5d0\uc11c \ube44\ub86f\ub429\ub2c8\ub2e4. \uc804\uae30 \uc808\uc5f0\uc131\uc774 \ub6f0\uc5b4\ub098 \ud68c\ub85c\uc758 \ub2e4\ub978 \ubd80\ubd84 \uac04\uc5d0 \uc6d0\uce58 \uc54a\ub294 \uc804\ub958\uac00 \ud750\ub974\ub294 \uac83\uc744 \ubc29\uc9c0\ud558\ub294 \ub370 \ub9e4\uc6b0 \uc911\uc694\ud569\ub2c8\ub2e4. \ud558\uc9c0\ub9cc \uc804\uae30\uc801 \ud2b9\uc131\uc740 \uc2dc\uc791\uc5d0 \ubd88\uacfc\ud569\ub2c8\ub2e4. FR4\ub294 \ub610\ud55c \ub6f0\uc5b4\ub09c \uae30\uacc4\uc801 \uac15\ub3c4\ub97c \uc790\ub791\ud558\uc5ec \ub4a4\ud2c0\ub9bc\uc774\ub098 \ud30c\uc190 \uc5c6\uc774 \ud639\ub3c5\ud55c \uc81c\uc870 \ubc0f \uc0ac\uc6a9 \ud658\uacbd\uc744 \uacac\ub38c\ub0bc \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\uae30\ud310 \uc18c\uc7ac\uc758 \uc911\uc694\ud55c \ud30c\ub77c\ubbf8\ud130 \uc911 \ud558\ub098\ub294 \uc720\ub9ac \uc804\uc774 \uc628\ub3c4(Tg)\uc785\ub2c8\ub2e4. \uc774\ub294 \uc18c\uc7ac\uac00 \ubd80\ub4dc\ub7ec\uc6cc\uc9c0\uace0 \ub531\ub531\ud55c \uad6c\uc870\ub97c \uc783\uae30 \uc2dc\uc791\ud558\ub294 \uc628\ub3c4\uc785\ub2c8\ub2e4. FR4\uc758 \uacbd\uc6b0 \uc774 \uc628\ub3c4\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \uc57d 130-140\u00b0C\ub85c \ub300\ubd80\ubd84\uc758 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0 \ucda9\ubd84\ud569\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \uace0\uc131\ub2a5 \ub610\ub294 \uace0\uc628 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc758 \uacbd\uc6b0 \ub354 \ub192\uc740 Tg \uac12\uc744 \uac00\uc9c4 \uc18c\uc7ac\uac00 \ud544\uc694\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\uae30\ud310\uc758 \ub2e4\ub978 \uc911\uc694\ud55c \ud2b9\uc131\uc73c\ub85c\ub294 \uc778\uc7a5 \uac15\ub3c4, \uc720\uc804 \uc0c1\uc218, \uc218\ubd84 \ud761\uc218 \ubc0f \uc5f4\ud33d\ucc3d\uc774 \uc788\uc2b5\ub2c8\ub2e4. \uc778\uc7a5 \uac15\ub3c4\ub294 \ubcf4\ub4dc\uac00 \ud30c\uc190\ub418\uae30 \uc804\uc5d0 \uacac\ub51c \uc218 \uc788\ub294 \uc751\ub825\uc758 \uc591\uc744 \uacb0\uc815\ud569\ub2c8\ub2e4. \uc720\uc804\uc728\uc740 \ud2b9\ud788 \uace0\uc8fc\ud30c\uc218\uc5d0\uc11c \ubcf4\ub4dc\uc758 \uc804\uae30\uc801 \uc131\ub2a5\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce69\ub2c8\ub2e4. \uc218\ubd84 \ud761\uc218\uc728\uc740 \uc77c\ubc18\uc801\uc73c\ub85c \uc2dc\uac04\uc774 \uc9c0\ub098\ub3c4 \ubcf4\ub4dc\uc758 \uc804\uae30\uc801, \uae30\uacc4\uc801 \ud2b9\uc131\uc744 \uc720\uc9c0\ud558\uae30 \uc704\ud574 \ub0ae\uc740 \ud761\uc218\uc728\uc774 \uc120\ud638\ub418\ubbc0\ub85c \uc8fc\uc758\ud574\uc57c \ud569\ub2c8\ub2e4. \uc5f4\ud33d\ucc3d\uc740 \uc791\ub3d9 \uc911 \uc628\ub3c4 \ubcc0\ub3d9\uc774 \uc2ec\ud55c \ubcf4\ub4dc\uc758 \uacbd\uc6b0 \ud2b9\ud788 \uc911\uc694\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p>FR4\ub294 \ub300\ubd80\ubd84\uc758 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0 \uac00\uc7a5 \ub9ce\uc774 \uc0ac\uc6a9\ub418\uc9c0\ub9cc \ud2b9\uc815 \ud2b9\uc131\uc774 \ud544\uc694\ud55c \uacbd\uc6b0 \ub2e4\ub978 \uc18c\uc7ac\ub3c4 \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \uc5f4 \ubc29\ucd9c\uc774 \uc8fc\uc694 \uad00\uc2ec\uc0ac\uc778 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0\ub294 \uc54c\ub8e8\ubbf8\ub284 \uae30\ud310\uc744 \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"copper-layer\">\uad6c\ub9ac \uce35<\/h3>\n\n\n<p>PCB\uc758 \uac00\uc7a5 \uc911\uc694\ud55c \uad6c\uc131 \uc694\uc18c\uc778 \uad6c\ub9ac\uce35\uc740 \uae30\ud310 \uce35 \uc704\uc5d0 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \uc587\uc740 \uad6c\ub9ac \ud638\uc77c \uce35\uc740 \uae30\ud310\uc5d0 \uc801\uce35\ub418\uc5b4 \ud68c\ub85c\ub97c \ud1b5\ud574 \uc804\uae30\uac00 \ud750\ub974\ub3c4\ub85d \ud558\ub294 \uc804\ub3c4\uc131 \uacbd\ub85c\ub97c \ud615\uc131\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\uc774 \uad6c\ub9ac \uce35\uc758 \ub450\uaed8\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \ud3c9\ubc29\ud53c\ud2b8\ub2f9 \uc628\uc2a4(oz\/ft\u00b2)\ub85c \uc9c0\uc815\ub418\uba70, 1\uc628\uc2a4\/ft\u00b2\uac00 \uc77c\ubc18\uc801\uc778 \ud45c\uc900\uc785\ub2c8\ub2e4. \uc774\uac83\uc740 \uc774\uc0c1\ud55c \uce21\uc815 \ub2e8\uc704\ucc98\ub7fc \ubcf4\uc77c \uc218 \uc788\uc9c0\ub9cc PCB \uc81c\uc870\uc758 \uc5ed\uc0ac\uc5d0 \uae4a\uc774 \ubfcc\ub9ac\ub97c \ub450\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uc2e4\uc81c\ub85c 1\uc628\uc2a4\/ft\u00b2\ub294 \uc57d 35\ub9c8\uc774\ud06c\ub85c\ubbf8\ud130(\u00b5m)\uc758 \ub450\uaed8\ub97c \uc758\ubbf8\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\uad6c\ub9ac \ub450\uaed8\uac00 \uc911\uc694\ud55c \uc774\uc720\ub294 \ubb34\uc5c7\uc778\uac00\uc694? \uc804\ub958 \uc804\ub2ec \ub2a5\ub825\uacfc \uc5f4 \ubc29\ucd9c\uc5d0 \uad00\ud55c \uac83\uc785\ub2c8\ub2e4. \uad6c\ub9ac\uac00 \ub450\uaebc\uc6b8\uc218\ub85d \ub354 \ub192\uc740 \uc804\ub958\ub97c \ucc98\ub9ac\ud558\uace0 \uc5f4\uc744 \ub354 \ud6a8\uacfc\uc801\uc73c\ub85c \ubc29\ucd9c\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc774\uc720\ub85c \uace0\uc804\ub825 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0\uc11c\ub294 2\uc628\uc2a4\/ft\u00b2 \ub610\ub294 \uc2ec\uc9c0\uc5b4 3\uc628\uc2a4\/ft\u00b2 \uad6c\ub9ac\ub97c \uc0ac\uc6a9\ud55c PCB\ub97c \ucc3e\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\uad6c\ub9ac \uce35\uc740 \uc804\uccb4 \uae30\ud310\uc744 \ub2e8\ub2e8\ud55c \uc2dc\ud2b8\ub85c \ub36e\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \ub300\uc2e0 \ud2b9\uc815 \ud328\ud134\uc73c\ub85c \uc5d0\uce6d\ub418\uc5b4 \ud68c\ub85c\ub97c \ud615\uc131\ud558\ub294 \ud2b8\ub808\uc774\uc2a4\ub97c \ub9cc\ub4ed\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ud2b8\ub808\uc774\uc2a4\uc758 \ud3ed\uacfc \uac04\uaca9\uc740 \ubcf4\ub4dc\uc758 \uc804\uae30\uc801 \uc131\ub2a5\uacfc \uc81c\uc870 \uc218\uc728\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce58\ub294 \uc911\uc694\ud55c \uc124\uacc4 \ub9e4\uac1c \ubcc0\uc218\uc785\ub2c8\ub2e4.<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"solder-mask-layer\">\uc194\ub354 \ub9c8\uc2a4\ud06c \ub808\uc774\uc5b4<\/h3>\n\n\n<p>PCB\ub97c \uc790\uc138\ud788 \uc0b4\ud3b4\ubcf8 \uc801\uc774 \uc788\ub2e4\uba74 \ub2e4\ub978 \uc0c9\uc0c1\ub3c4 \ubb3c\ub860 \uac00\ub2a5\ud558\uc9c0\ub9cc \uc8fc\ub85c \ub179\uc0c9\uc778 \ub3c5\ud2b9\ud55c \uc0c9\uc0c1\uc744 \ubcf4\uc168\uc744 \uac83\uc785\ub2c8\ub2e4. \uc774 \uc0c9\uc0c1\uc740 \uad6c\ub9ac \uce35 \uc704\uc5d0 \ub3c4\ud3ec\ub418\ub294 \uc194\ub354 \ub9c8\uc2a4\ud06c \uce35\uc5d0\uc11c \ube44\ub86f\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\uc194\ub354 \ub9c8\uc2a4\ud06c\ub294 \uba87 \uac00\uc9c0 \uc911\uc694\ud55c \uae30\ub2a5\uc744 \ud569\ub2c8\ub2e4. \uad6c\ub9ac \ud754\uc801\uc744 \uc0b0\ud654 \ubc0f \ub2e8\ub77d\uc73c\ub85c\ubd80\ud130 \ubcf4\ud638\ud569\ub2c8\ub2e4. \ub610\ud55c \uc870\ub9bd \uacfc\uc815\uc5d0\uc11c \uc194\ub354\uac00 \uc881\uc740 \uac04\uaca9\uc758 \uc194\ub354 \ud328\ub4dc \uc0ac\uc774\uc5d0 \ub07c\ub294 \uac83\uc744 \ubc29\uc9c0\ud569\ub2c8\ub2e4. \ub610\ud55c \uc2e4\ud06c\uc2a4\ud06c\ub9b0 \ub808\uc774\uc5b4\uc5d0 \uace0\ub300\ube44 \ubc30\uacbd\uc744 \uc81c\uacf5\ud558\uc5ec \ubd80\ud488 \ubc30\uce58\ub97c \ub354 \uc27d\uac8c \ub9cc\ub4ed\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\uc194\ub354 \ub9c8\uc2a4\ud06c\uc758 \uac00\uc7a5 \uc77c\ubc18\uc801\uc778 \uc0c9\uc0c1\uc740 \ub179\uc0c9\uc785\ub2c8\ub2e4(\uad70\uc0ac\uc6a9\uc73c\ub85c \uac70\uc2ac\ub7ec \uc62c\ub77c\uac00\ub294 \uc804\ud1b5). \ube68\uac15, \ud30c\ub791, \uac80\uc815, \ud22c\uba85 \ub4f1\uc758 \ub2e4\ub978 \uc0c9\uc0c1\ub3c4 \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc0c9\uc0c1 \uc120\ud0dd\uc740 \uae30\ub2a5\ubcf4\ub2e4\ub294 \ubbf8\uad00\uc774\ub098 \ud2b9\uc815 \uc5c5\uacc4 \uad00\uc2b5\uc5d0 \ub530\ub77c \uacb0\uc815\ub418\ub294 \uacbd\uc6b0\uac00 \ub9ce\uc9c0\ub9cc, \uc77c\ubd80 \uc0c9\uc0c1\uc740 \uc2dc\uac01\uc801 \uac80\uc0ac\uc5d0 \uc57d\uac04 \ub354 \ub098\uc740 \ub300\ube44\ub97c \uc81c\uacf5\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"silkscreen-layer\">\uc2e4\ud06c\uc2a4\ud06c\ub9b0 \ub808\uc774\uc5b4<\/h3>\n\n\n<p>\uc77c\ubc18\uc801\uc73c\ub85c PCB\uc5d0\uc11c \ubcfc \uc218 \uc788\ub294 \ub9c8\uc9c0\ub9c9 \ub808\uc774\uc5b4\ub294 \uc2e4\ud06c\uc2a4\ud06c\ub9b0\uc785\ub2c8\ub2e4. \uc77c\ubc18\uc801\uc73c\ub85c \ud770\uc0c9(\ub2e4\ub978 \uc0c9\uc0c1\ub3c4 \uac00\ub2a5)\uc774\uba70 \ubcf4\ub4dc\uc758 \uc870\ub9bd, \ud14c\uc2a4\ud2b8 \ubc0f \uc0ac\uc6a9\uc5d0 \ub3c4\uc6c0\uc774 \ub418\ub294 \ud14d\uc2a4\ud2b8\uc640 \uae30\ud638\uac00 \ud3ec\ud568\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\uc2e4\ud06c\uc2a4\ud06c\ub9b0\uc5d0\ub294 \ubd80\ud488 \uc9c0\uc815\uc790(\uc608: \uccab \ubc88\uc9f8 \uc800\ud56d\uc758 \uacbd\uc6b0 R1, \uc138 \ubc88\uc9f8 \ucee4\ud328\uc2dc\ud130\uc758 \uacbd\uc6b0 C3), \uadf9\uc131 \ubd80\ud488\uc758 \uadf9\uc131 \ud45c\uc2dc\uae30, \uc9d1\uc801 \ud68c\ub85c\uc758 \uacbd\uc6b0 \ud540 1 \ud45c\uc2dc\uae30\uac00 \ud3ec\ud568\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub610\ud55c \uc81c\uc870\uc5c5\uccb4\uc758 \ub85c\uace0\ub098 \ubcf4\ub4dc \uac1c\uc815 \ubc88\ud638, \uacbd\uace0 \uae30\ud638 \ub610\ub294 \uae30\ud0c0 \uc911\uc694 \uacf5\uc9c0\uc0ac\ud56d\uc774 \ud45c\uc2dc\ub420 \uc218\ub3c4 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\uc2e4\ud06c\uc2a4\ud06c\ub9b0\uc740 \ubcf4\ub4dc\uc758 \uc804\uae30 \uae30\ub2a5\uc5d0 \uc9c1\uc811\uc801\uc778 \uc601\ud5a5\uc744 \ubbf8\uce58\uc9c0\ub294 \uc54a\uc9c0\ub9cc \uadf8 \uc911\uc694\uc131\uc744 \uacfc\uc18c\ud3c9\uac00\ud574\uc11c\ub294 \uc548 \ub429\ub2c8\ub2e4. \uc798 \uc124\uacc4\ub41c \uc2e4\ud06c\uc2a4\ud06c\ub9b0\uc740 \uc870\ub9bd \ubc0f \ubb38\uc81c \ud574\uacb0 \ud504\ub85c\uc138\uc2a4\uc758 \uc18d\ub3c4\ub97c \ud06c\uac8c \ub192\uc5ec \uc81c\ud488 \uc218\uba85 \uc8fc\uae30 \ub3d9\uc548 \uc218\ub9ce\uc740 \uc2dc\uac04\uc744 \uc808\uc57d\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"other-materials-and-considerations\">\uae30\ud0c0 \uc790\ub8cc \ubc0f \uace0\ub824 \uc0ac\ud56d<\/h3>\n\n\n<p>\uc608\ub97c \ub4e4\uc5b4, \ub2e4\uce35 \ubcf4\ub4dc\ub294 \uc804\ub3c4\uc131 \uce35 \uc0ac\uc774\uc5d0 \ud504\ub9ac\ud504\ub808\uadf8\ub77c\uace0 \ud558\ub294 \ubd80\ubd84 \uacbd\ud654 \uc5d0\ud3ed\uc2dc \uc218\uc9c0\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \uac00\uc5f4\ud558\uace0 \ub204\ub974\uba74 \ud504\ub9ac\ud504\ub808\uadf8\uac00 \ud750\ub974\ub2e4\uac00 \uacbd\ud654\ub418\uc5b4 \uce35\uc744 \ub2e8\ub2e8\ud55c \uad6c\uc870\ub85c \uacb0\ud569\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\ub610\ud55c FR4\uac00 \uac00\uc7a5 \uc77c\ubc18\uc801\uc778 \uae30\ud310 \uc18c\uc7ac\uc774\uae30\ub294 \ud558\uc9c0\ub9cc \uc720\uc77c\ud55c \uc635\uc158\uc740 \uc544\ub2d9\ub2c8\ub2e4. \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc758 \ud2b9\uc815 \uc694\uad6c \uc0ac\ud56d\uc5d0 \ub530\ub77c \ub2e4\ub978 \uc18c\uc7ac\ub97c \uc0ac\uc6a9\ud560 \uc218\ub3c4 \uc788\uc2b5\ub2c8\ub2e4. \uc54c\ub8e8\ubbf8\ub284 PCB\ub294 \uc5f4 \ubc29\ucd9c\uc744 \uac1c\uc120\ud558\uae30 \uc704\ud574 \uc0ac\uc6a9\ud560 \uc218 \uc788\uc73c\uba70, Kapton \ub610\ub294 Pyralux\uc640 \uac19\uc740 \uc720\uc5f0\ud55c \uae30\ud310\uc740 PCB\uac00 \uad6c\ubd80\ub7ec\uc9c0\uac70\ub098 \ud718\uc5b4\uc838\uc57c \ud558\ub294 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0 \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \uc138\ub77c\ubbf9 \uae30\ud310\uc740 \ucd08\uace0\uc8fc\ud30c \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<p>PCB\uc6a9 \uc7ac\ub8cc\ub97c \uc120\ud0dd\ud560 \ub54c \uc5d4\uc9c0\ub2c8\uc5b4\ub294 \uc55e\uc11c \uc124\uba85\ud55c \uae30\ubcf8 \uc0ac\ud56d \uc678\uc5d0\ub3c4 \ub2e4\uc591\ud55c \ud2b9\uc131\uc744 \uace0\ub824\ud574\uc57c \ud569\ub2c8\ub2e4. \uc5ec\uae30\uc5d0\ub294 \uc720\uc804 \uc0c1\uc218(Dk), \uc190\uc2e4 \uacc4\uc218(Df), \uc5f4\ud33d\ucc3d \uacc4\uc218(CTE)\uac00 \ud3ec\ud568\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc720\uc804 \uc0c1\uc218(Dk)\ub294 \ud2b9\ud788 \uace0\uc8fc\ud30c\uc5d0\uc11c \ubcf4\ub4dc\uc758 \uc804\uae30\uc801 \uc131\ub2a5\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce69\ub2c8\ub2e4. \uc190\uc2e4 \uacc4\uc218(Df)\ub294 \uc720\uc804\uccb4 \uc7ac\ub8cc\uc5d0\uc11c \uc5f4\ub85c \uc190\uc2e4\ub418\ub294 \uc5d0\ub108\uc9c0\uc758 \uc591\uacfc \uad00\ub828\uc774 \uc788\uc2b5\ub2c8\ub2e4. \uc5f4\ud33d\ucc3d \uacc4\uc218(CTE)\ub294 \uc791\ub3d9 \uc911 \uc628\ub3c4 \ubcc0\ub3d9\uc774 \uc2ec\ud55c \ubcf4\ub4dc\uc5d0 \ud2b9\ud788 \uc911\uc694\ud569\ub2c8\ub2e4.<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"electronic-components-on-a-pcb\">PCB\uc758 \uc804\uc790 \ubd80\ud488<\/h2>\n\n\n<p>PCB\ub294 \ud68c\ub85c\uc758 \uc804\ubc18\uc801\uc778 \uae30\ub2a5\uc5d0\uc11c \uac01\uac01 \uace0\uc720\ud55c \uc5ed\ud560\uc744 \ud558\ub294 \ub2e4\uc591\ud55c \uc804\uc790 \ubd80\ud488\uc758 \uae30\ucd08 \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4.<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"resistors\">\uc800\ud56d\uae30<\/h3>\n\n\n<p>\ud68c\ub85c \ub0b4\uc5d0\uc11c \uc804\ub958\uac00 \uc5b4\ub5bb\uac8c \uc81c\uc5b4\ub418\ub294\uc9c0 \uad81\uae08\ud55c \uc801\uc774 \uc788\ub098\uc694? \ubc14\ub85c \uc5ec\uae30\uc5d0 \uc800\ud56d\uc774 \ub4f1\uc7a5\ud569\ub2c8\ub2e4. \uc5b4\ub514\uc5d0\ub098 \uc788\ub294 \uc774 \ubd80\ud488\uc740 \uc804\ub958\uc758 \ud750\ub984\uc744 \uc81c\uc5b4\ud558\uace0 \uc804\uc555\uc744 \ub098\ub204\ub294 \uc804\uc790 \ud68c\ub85c\uc758 \ud575\uc2ec \ubd80\ud488\uc785\ub2c8\ub2e4.<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"capacitors\">\ucee4\ud328\uc2dc\ud130<\/h3>\n\n\n<p>\uc800\ud56d\uae30\uac00 \uc804\ub958\uc758 \ud750\ub984\uc744 \uc81c\uc5b4\ud55c\ub2e4\uba74 \uc804\uae30 \uc5d0\ub108\uc9c0\ub97c \uc800\uc7a5\ud558\ub294 \ubd80\ud488\uc740 \ubb34\uc5c7\uc77c\uae4c\uc694? \ubc14\ub85c \ucee4\ud328\uc2dc\ud130\uc785\ub2c8\ub2e4. \uc774 \ubd80\ud488\uc740 \uc804\uae30 \uc5d0\ub108\uc9c0\ub97c \ube60\ub974\uac8c \uc800\uc7a5\ud558\uace0 \ubc29\ucd9c\ud560 \uc218 \uc788\uc5b4 \uc804\uc6d0 \uacf5\uae09 \uc7a5\uce58 \ucd9c\ub825\uc744 \ubd80\ub4dc\ub7fd\uac8c \ud558\uac70\ub098 \ud68c\ub85c \ub2e8\uacc4 \uac04 \uc2e0\ud638\ub97c \uacb0\ud569\ud558\ub294 \ub4f1\uc758 \uc791\uc5c5\uc5d0 \ub9e4\uc6b0 \uc911\uc694\ud569\ub2c8\ub2e4.<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"inductors\">\uc778\ub355\ud130<\/h3>\n\n\n<p>\uc778\ub355\ud130\ub294 \uc800\ud56d\uae30\uc640 \ucee4\ud328\uc2dc\ud130\ubcf4\ub2e4\ub294 \ub35c \uc77c\ubc18\uc801\uc774\uc9c0\ub9cc \ub9ce\uc740 \ud68c\ub85c\uc5d0\uc11c \uc911\uc694\ud55c \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uad6c\uc131 \uc694\uc18c\ub294 \uc790\uae30\uc7a5\uc5d0 \uc5d0\ub108\uc9c0\ub97c \uc800\uc7a5\ud558\uace0 \uace0\uc8fc\ud30c \uc2e0\ud638\ub294 \ucc28\ub2e8\ud558\ub294 \ub3d9\uc2dc\uc5d0 DC \ubc0f \uc800\uc8fc\ud30c \uc2e0\ud638\ub294 \ud1b5\uacfc\uc2dc\ud0ac \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"transistors\">\ud2b8\ub79c\uc9c0\uc2a4\ud130<\/h3>\n\n\n<p>\ud2b8\ub79c\uc9c0\uc2a4\ud130\ub294 \ud604\ub300 \uc804\uc790\uc81c\ud488\uc758 \uae30\ubcf8 \uad6c\uc131 \uc694\uc18c\uc785\ub2c8\ub2e4. \uc774 3\ub2e8\uc790 \uc7a5\uce58\ub294 \uc2e0\ud638\ub97c \uc99d\ud3ed\ud558\uac70\ub098 \uc2a4\uc704\uce58 \uc5ed\ud560\uc744 \ud558\uba70 \ubaa8\ub4e0 \ub514\uc9c0\ud138 \ub85c\uc9c1\uc758 \uae30\ucd08\ub97c \ud615\uc131\ud569\ub2c8\ub2e4.<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"diodes\">\ub2e4\uc774\uc624\ub4dc<\/h3>\n\n\n<p>\uc804\ub958\uac00 \ud55c \ubc29\ud5a5\uc73c\ub85c\ub9cc \ud750\ub974\ub3c4\ub85d \ud574\uc57c \ud55c\ub2e4\uba74 \uc5b4\ub5bb\uac8c \ud574\uc57c \ud560\uae4c\uc694? \ubc14\ub85c \ub2e4\uc774\uc624\ub4dc\uac00 \ud544\uc694\ud55c \uacbd\uc6b0\uc785\ub2c8\ub2e4. \uc774 \ub450 \ub2e8\uc790 \uc7a5\uce58\ub294 \uc804\ub958\ub294 \ud55c \ubc29\ud5a5\uc73c\ub85c \ud750\ub974\uac8c \ud558\uace0 \ub2e4\ub978 \ubc29\ud5a5\uc740 \ucc28\ub2e8\ud569\ub2c8\ub2e4.<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"integrated-circuits-ics\">\uc9d1\uc801 \ud68c\ub85c(IC)<\/h3>\n\n\n<p>\uc9d1\uc801 \ud68c\ub85c\ub294 \uc804\uc790 \uc18c\ud615\ud654\uc758 \uc815\uc810\uc785\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uad6c\uc131 \uc694\uc18c\ub294 \uc218\uc2ed\uc5b5 \uac1c\uc758 \ud2b8\ub79c\uc9c0\uc2a4\ud130\ub97c \ud3ec\ud568\ud558\ub294 \uc804\uccb4 \ud68c\ub85c\ub97c \ud558\ub098\uc758 \uce69\uc5d0 \ub2f4\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"connectors\">\ucee4\ub125\ud130<\/h3>\n\n\n<p>\uc2e0\ud638\uc640 \uc804\ub825\uc740 \uc5b4\ub5bb\uac8c PCB\uc5d0 \ub4e4\uc5b4\uc624\uace0 \ub098\uac00\ub098\uc694? \ucee4\ub125\ud130\ub97c \ud1b5\ud574\uc11c\uc785\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uad6c\uc131 \uc694\uc18c\ub294 PCB\uc640 \uc678\ubd80 \uc138\uacc4 \uc0ac\uc774\uc758 \uc778\ud130\ud398\uc774\uc2a4\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"switches\">\uc2a4\uc704\uce58<\/h3>\n\n\n<p>\uc2a4\uc704\uce58\ub294 \ud68c\ub85c\ub97c \uc218\ub3d9\uc73c\ub85c \uc81c\uc5b4\ud560 \uc218 \uc788\ub294 \uc218\ub2e8\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"transformers\">\ud2b8\ub79c\uc2a4\ud3ec\uba38<\/h3>\n\n\n<p>\ubcc0\uc555\uae30\ub294 \uc804\uc6d0 \uacf5\uae09 \uc7a5\uce58\uc640 \uc624\ub514\uc624 \ud68c\ub85c\uc5d0\uc11c \uc911\uc694\ud55c \uad6c\uc131 \uc694\uc18c\uc785\ub2c8\ub2e4. \ubcc0\uc555\uae30\ub294 \uc804\uc790\uae30 \uc720\ub3c4\ub97c \uc0ac\uc6a9\ud558\uc5ec \ud68c\ub85c \uac04\uc5d0 \uc804\uae30 \uc5d0\ub108\uc9c0\ub97c \uc804\ub2ec\ud558\uba70, \uc774 \uacfc\uc815\uc5d0\uc11c \uc804\uc555 \ub808\ubca8\uc744 \ubcc0\uacbd\ud558\ub294 \uacbd\uc6b0\uac00 \ub9ce\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"sensors\">\uc13c\uc11c<\/h3>\n\n\n<p>\uc810\uc810 \ub354 \uc2a4\ub9c8\ud2b8\ud558\uace0 \uc5f0\uacb0\ub41c \uc138\uc0c1\uc5d0\uc11c \uc13c\uc11c\ub294 \uc911\uc694\ud55c \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uad6c\uc131 \uc694\uc18c\ub294 \uc628\ub3c4, \uc555\ub825 \ub610\ub294 \ube5b\uacfc \uac19\uc740 \ubb3c\ub9ac\uc801 \ud604\uc0c1\uc744 \ud68c\ub85c\uc5d0\uc11c \ucc98\ub9ac\ud560 \uc218 \uc788\ub294 \uc804\uae30 \uc2e0\ud638\ub85c \ubcc0\ud658\ud569\ub2c8\ub2e4.<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"fuses-and-circuit-breakers\">\ud4e8\uc988 \ubc0f \ud68c\ub85c \ucc28\ub2e8\uae30<\/h3>\n\n\n<p>\uc804\uc790 \uc124\uacc4\uc5d0\uc11c \uc548\uc804\uc740 \uac00\uc7a5 \uc911\uc694\ud55c \uc694\uc18c\uc774\uba70, \ud4e8\uc988\uc640 \ud68c\ub85c \ucc28\ub2e8\uae30\uac00 \ubc14\ub85c \uc5ec\uae30\uc5d0 \ud574\ub2f9\ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uad6c\uc131 \uc694\uc18c\ub294 \uacfc\uc804\ub958 \uc870\uac74\uc73c\ub85c\ubd80\ud130 \ud68c\ub85c\ub97c \ubcf4\ud638\ud558\uc5ec \uc804\ub958\uac00 \uc548\uc804 \uc218\uc900\uc744 \ucd08\uacfc\ud560 \uacbd\uc6b0 \ud68c\ub85c\ub97c \ucc28\ub2e8\ud569\ub2c8\ub2e4.<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"potentiometers\">\uc804\uc704\ucc28\uacc4<\/h3>\n\n\n<p>\ud68c\ub85c\uc758 \ub3d9\uc791\uc744 \uc218\ub3d9\uc73c\ub85c \uc870\uc815\ud574\uc57c \ud558\ub098\uc694? \ud754\ud788 '\ud3ec\ud150\uc154\ubbf8\ud130'\ub77c\uace0 \uc904\uc5ec\uc11c \ubd80\ub974\ub294 \uc804\uc704\ucc28\uacc4\ub294 \uc774\ub7ec\ud55c \uc870\uc815\uc774 \uac00\ub2a5\ud55c \uac00\ubcc0 \uc800\ud56d\uae30\uc785\ub2c8\ub2e4.<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"crystal-oscillators\">\uc218\uc815 \ubc1c\uc9c4\uae30<\/h3>\n\n\n<p>\ub9ce\uc740 \uc804\uc790 \ud68c\ub85c\uc5d0\uc11c \ud0c0\uc774\ubc0d\uc740 \ub9e4\uc6b0 \uc911\uc694\ud558\uba70 \uc218\uc815 \ubc1c\uc9c4\uae30\ub294 \ub9e4\uc6b0 \uc548\uc815\uc801\uc778 \uc2dc\uac04 \uae30\ubc18\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"pcb-design-and-manufacturing\">PCB \uc124\uacc4 \ubc0f \uc81c\uc870<\/h2>\n\n\n<p>\ud68c\ub85c \uc544\uc774\ub514\uc5b4\uc5d0\uc11c \uc644\uc131\ub41c PCB\uae4c\uc9c0\uc758 \uc5ec\uc815\uc740 \uc804\uae30 \uacf5\ud559, \uc7ac\ub8cc \uacfc\ud559, \uc815\ubc00 \uc81c\uc870\uac00 \uacb0\ud569\ub41c \ud765\ubbf8\ub85c\uc6b4 \uacfc\uc815\uc785\ub2c8\ub2e4. PCB \uc81c\uc791\uc758 \uc8fc\uc694 \ub2e8\uacc4\ub97c \uc0b4\ud3b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"design-phase\">\ub514\uc790\uc778 \ub2e8\uacc4<\/h3>\n\n<h4 class=\"wp-block-heading\" id=\"schematic-capture\">\ud68c\ub85c\ub3c4 \ucea1\ucc98<\/h4>\n\n\n<p>PCB \uc81c\uc791\uc758 \uccab \ubc88\uc9f8 \ub2e8\uacc4\ub294 \ud68c\ub85c \uc124\uacc4\ub97c \ud68c\ub85c\ub3c4\ub85c \ucea1\ucc98\ud558\ub294 \uac83\uc785\ub2c8\ub2e4. \uc774 \ub2e8\uacc4\uc5d0\uc11c \uc5d4\uc9c0\ub2c8\uc5b4\ub294 \uad6c\uc131 \uc694\uc18c \uac04\uc758 \ub17c\ub9ac\uc801 \uc5f0\uacb0\uc744 \uc815\uc758\ud558\uc5ec \uae30\ubcf8\uc801\uc73c\ub85c \ud68c\ub85c\uac00 \uc5b4\ub5bb\uac8c \uc791\ub3d9\ud574\uc57c \ud558\ub294\uc9c0\uc5d0 \ub300\ud55c \ub9f5\uc744 \uc791\uc131\ud569\ub2c8\ub2e4. \ucd5c\uc2e0 PCB \uc124\uacc4 \uc18c\ud504\ud2b8\uc6e8\uc5b4\ub294 \uc774 \uacfc\uc815\uc744 \uc608\uc804\ubcf4\ub2e4 \ud6e8\uc52c \uc27d\uac8c \ub9cc\ub4e4\uc5b4 \uc8fc\uc9c0\ub9cc, \uc5ec\uc804\ud788 \uc804\uc790\uacf5\ud559 \ubc0f \ud68c\ub85c \uc774\ub860\uc5d0 \ub300\ud55c \uae4a\uc740 \uc774\ud574\uac00 \ud544\uc694\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\ud68c\ub85c\ub3c4\ub97c \ucea1\ucc98\ud558\ub294 \ub3d9\uc548 \uc5d4\uc9c0\ub2c8\uc5b4\ub294 \ubd80\ud488 \uc120\ud0dd, \uc2e0\ud638 \ud750\ub984, \uc804\ub825 \ubd84\ubc30, \uc124\uacc4 \uaddc\uce59\uacfc \uac19\uc740 \uc694\uc18c\ub97c \uace0\ub824\ud574\uc57c \ud569\ub2c8\ub2e4. \uad6c\uc131 \uc694\uc18c \uc120\ud0dd\uc5d0\ub294 \uc62c\ubc14\ub978 \uac12\uacfc \ub4f1\uae09\uc744 \uac00\uc9c4 \uc62c\ubc14\ub978 \uad6c\uc131 \uc694\uc18c\ub97c \uc120\ud0dd\ud558\ub294 \uac83\uc774 \ud3ec\ud568\ub429\ub2c8\ub2e4. \uc2e0\ud638 \ud750\ub984\uc740 \uc2e0\ud638\uac00 \ud68c\ub85c\ub97c \ud1b5\ud574 \uc758\ub3c4\ud55c \ubc29\uc2dd\uc73c\ub85c \uc774\ub3d9\ud558\ub3c4\ub85d \ubcf4\uc7a5\ud569\ub2c8\ub2e4. \uc804\ub825 \ubd84\ubc30\uc5d0\ub294 \ud68c\ub85c\uc758 \ub2e4\uc591\ud55c \ubd80\ubd84\uc5d0 \uc804\ub825\uc744 \uacf5\uae09\ud558\ub294 \ubc29\ubc95\uc744 \uacc4\ud68d\ud558\ub294 \uac83\uc774 \ud3ec\ud568\ub429\ub2c8\ub2e4. \uc124\uacc4 \uaddc\uce59\uc740 \ubaa8\ubc94 \uc0ac\ub840\uc640 \ud504\ub85c\uc81d\ud2b8\uc5d0 \ub300\ud55c \ud2b9\uc815 \uc694\uad6c \uc0ac\ud56d\uc744 \uc900\uc218\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n<h4 class=\"wp-block-heading\" id=\"pcb-layout\">PCB \ub808\uc774\uc544\uc6c3<\/h4>\n\n\n<p>\ub2e4\uc74c \ub2e8\uacc4\ub294 \ud68c\ub85c\ub3c4\uac00 \uc644\uc131\ub418\uba74 \uadf8 \ub17c\ub9ac\uc801 \ud45c\ud604\uc744 \ubb3c\ub9ac\uc801 \ub808\uc774\uc544\uc6c3\uc73c\ub85c \ubcc0\ud658\ud558\ub294 \uac83\uc785\ub2c8\ub2e4. \uc774 \ub2e8\uacc4\ub294 PCB \uc124\uacc4\uc5d0\uc11c \uace0\ubb34\uc640 \ub3c4\ub85c\uac00 \ub9cc\ub098\ub294 \uc9c0\uc810\uc774\uba70, \uc885\uc885 \uc608\uc220\uc774\uc790 \uacfc\ud559\uc73c\ub85c \uac04\uc8fc\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\ub808\uc774\uc544\uc6c3 \uacfc\uc815\uc5d0\uc11c \uc124\uacc4\uc790\ub294 \ubd80\ud488 \ubc30\uce58, \ud2b8\ub808\uc774\uc2a4 \ub77c\uc6b0\ud305, \ub808\uc774\uc5b4 \uc2a4\ud0dd\uc5c5, \uc2e0\ud638 \ubb34\uacb0\uc131, \uc804\ub825 \ubb34\uacb0\uc131 \ubc0f \uc804\uc790\uae30 \ud638\ud658\uc131(EMC)\uc744 \uace0\ub824\ud574\uc57c \ud569\ub2c8\ub2e4. \ubd80\ud488 \ubc30\uce58\uc5d0\ub294 \ucd5c\uc801\uc758 \uc2e0\ud638 \ud750\ub984, \uc5f4 \uad00\ub9ac, \uc870\ub9bd \uc6a9\uc774\uc131\uc744 \uc704\ud55c \ubd80\ud488 \ubc30\uce58\uac00 \ud3ec\ud568\ub429\ub2c8\ub2e4. \ud2b8\ub808\uc774\uc2a4 \ub77c\uc6b0\ud305\uc740 \ud68c\ub85c\ub3c4\uc5d0 \ub530\ub77c \uad6c\uc131 \uc694\uc18c\ub97c \uc5f0\uacb0\ud560 \uad6c\ub9ac \uacbd\ub85c\ub97c \ub9cc\ub4dc\ub294 \ud504\ub85c\uc138\uc2a4\uc785\ub2c8\ub2e4. \ub808\uc774\uc5b4 \uc2a4\ud0dd\uc5c5\uc740 PCB\uc758 \ub808\uc774\uc5b4 \uc218\uc640 \ub808\uc774\uc5b4 \ubc30\uc5f4 \ubc29\ubc95\uc744 \uacb0\uc815\ud574\uc57c \ud569\ub2c8\ub2e4. \uc2e0\ud638 \ubb34\uacb0\uc131\uc740 \uace0\uc18d \uc2e0\ud638\uac00 \uc65c\uace1\uc774\ub098 \uac04\uc12d \uc5c6\uc774 \uc804\ud30c\ub420 \uc218 \uc788\ub3c4\ub85d \ubcf4\uc7a5\ud569\ub2c8\ub2e4. \uc804\ub825 \ubb34\uacb0\uc131\uc5d0\ub294 \ubaa8\ub4e0 \uad6c\uc131 \uc694\uc18c\uc5d0 \uae68\ub057\ud558\uace0 \uc548\uc815\uc801\uc778 \uc804\ub825\uc744 \uacf5\uae09\ud558\uae30 \uc704\ud55c \uc804\uc6d0 \ud50c\ub808\uc778\uacfc \ub514\ucee4\ud50c\ub9c1 \uc124\uacc4\uac00 \ud3ec\ud568\ub429\ub2c8\ub2e4. \uc804\uc790\ud30c \uc801\ud569\uc131(EMC)\uc740 \ubcf4\ub4dc \uc548\ud30e\uc5d0\uc11c \uc804\uc790\ud30c \uac04\uc12d\uc744 \ucd5c\uc18c\ud654\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\ucd5c\uc2e0 PCB \ub808\uc774\uc544\uc6c3 \uc18c\ud504\ud2b8\uc6e8\uc5b4\ub294 \uc790\ub3d9 \ub77c\uc6b0\ud130\uc640 \uc124\uacc4 \uaddc\uce59 \uac80\uc0ac\uae30 \ub4f1 \uc774\ub7ec\ud55c \uc791\uc5c5\uc744 \uc9c0\uc6d0\ud558\ub294 \uac15\ub825\ud55c \ub3c4\uad6c\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \ubcf5\uc7a1\ud55c \uae30\ud310\uc740 \ucd5c\uc801\uc758 \uacb0\uacfc\ub97c \uc5bb\uae30 \uc704\ud574 \uc0c1\ub2f9\ud55c \uc218\uc791\uc5c5\uc774 \ud544\uc694\ud55c \uacbd\uc6b0\uac00 \ub9ce\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"fabrication-phase\">\uc81c\uc791 \ub2e8\uacc4<\/h3>\n\n<h4 class=\"wp-block-heading\" id=\"imaging-and-etching\">\uc774\ubbf8\uc9d5 \ubc0f \uc5d0\uce6d<\/h4>\n\n\n<p>\ub514\uc790\uc778\uc774 \uc644\uc131\ub418\uba74 \uc81c\uc791 \ud504\ub85c\uc138\uc2a4\uac00 \uc2dc\uc791\ub429\ub2c8\ub2e4. \uccab \ubc88\uc9f8 \ub2e8\uacc4\ub294 \ub514\uc790\uc778\uc744 \uad6c\ub9ac\ub85c \ub36e\uc778 \ubcf4\ub4dc\uc5d0 \uc62e\uae30\ub294 \uac83\uc785\ub2c8\ub2e4. \uc774 \uc791\uc5c5\uc740 \uc77c\ubc18\uc801\uc73c\ub85c \ud3ec\ud1a0\ub9ac\uc18c\uadf8\ub798\ud53c \ud504\ub85c\uc138\uc2a4\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc218\ud589\ub429\ub2c8\ub2e4. \uae30\ud310\uc740 \ud3ec\ud1a0\ub808\uc9c0\uc2a4\ud2b8\ub77c\uace0 \ud558\ub294 \uac10\uad11 \ud544\ub984\uc73c\ub85c \ucf54\ud305\ub429\ub2c8\ub2e4. PCB \ub514\uc790\uc778\uc740 \ud22c\uba85 \ud544\ub984\uc5d0 \uc778\uc1c4\ub418\uc5b4 \ud3ec\ud1a0\ub9c8\uc2a4\ud06c\ub97c \ub9cc\ub4ed\ub2c8\ub2e4. \ud3ec\ud1a0\ub9c8\uc2a4\ud06c\uac00 \ubcf4\ub4dc\uc5d0 \uc815\ub82c\ub418\uace0 \uc5b4\uc148\ube14\ub9ac\uac00 \uc790\uc678\uc120\uc5d0 \ub178\ucd9c\ub429\ub2c8\ub2e4. \ud3ec\ud1a0\ub808\uc9c0\uc2a4\ud2b8\uc758 \ub178\ucd9c\ub41c \ubd80\ubd84\uc740 \uad73\uc5b4\uc9c0\uace0 \ub178\ucd9c\ub418\uc9c0 \uc54a\uc740 \ubd80\ubd84\uc740 \ubd80\ub4dc\ub7ec\uc6cc\uc9d1\ub2c8\ub2e4. \uae30\ud310\uc774 \uac1c\ubc1c\ub418\uc5b4 \ubd80\ub4dc\ub7ec\uc6b4 \ud3ec\ud1a0\ub808\uc9c0\uc2a4\ud2b8\uac00 \uc81c\uac70\ub418\uace0 PCB \ub514\uc790\uc778\uacfc \uc77c\uce58\ud558\ub294 \ud328\ud134\uc774 \ub0a8\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\uae30\ud310\uc740 \uc774\ubbf8\uc9d5 \ud6c4 \uc5d0\uce6d \uacfc\uc815\uc744 \uac70\uce69\ub2c8\ub2e4. \ud654\ud559 \ubb3c\uc9c8\uc744 \uc0ac\uc6a9\ud558\uc5ec \ub178\ucd9c\ub41c \uad6c\ub9ac\ub97c \uc81c\uac70\ud558\uace0 \ud68c\ub85c\ub97c \uad6c\uc131\ud558\ub294 \uad6c\ub9ac \ud754\uc801\ub9cc \ub0a8\uae41\ub2c8\ub2e4. \uadf8\ub7f0 \ub2e4\uc74c \ub0a8\uc740 \ud3ec\ud1a0\ub808\uc9c0\uc2a4\ud2b8\ub97c \uc81c\uac70\ud558\uc5ec \uc644\uc131\ub41c \uad6c\ub9ac \ud328\ud134\uc744 \ub4dc\ub7ec\ub0c5\ub2c8\ub2e4.<\/p>\n\n\n<h4 class=\"wp-block-heading\" id=\"drilling-and-plating\">\ub4dc\ub9b4\ub9c1 \ubc0f \ub3c4\uae08<\/h4>\n\n\n<p>\ub2e4\uc74c\uc73c\ub85c \ubd80\ud488 \ub9ac\ub4dc\uc640 \ube44\uc544(\ub808\uc774\uc5b4 \uac04 \uc5f0\uacb0)\ub97c \uc704\ud574 \ubcf4\ub4dc\uc5d0 \uad6c\uba4d\uc744 \ub6ab\uc2b5\ub2c8\ub2e4. \ucd5c\uc2e0 \uc81c\uc870\uc5d0\uc11c\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \uc815\ubc00\ub3c4\ub97c \uc704\ud574 \ucef4\ud4e8\ud130\ub85c \uc81c\uc5b4\ub418\ub294 \ub4dc\ub9b4\ub9c1 \uba38\uc2e0\uc73c\ub85c \uc774 \uc791\uc5c5\uc744 \uc218\ud589\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\ubcf4\ub4dc\ub294 \ub4dc\ub9b4\ub9c1 \ud6c4 \ub3c4\uae08 \uacf5\uc815\uc744 \uac70\uce69\ub2c8\ub2e4. \uc774\ub807\uac8c \ud558\uba74 \ub4dc\ub9b4\ub9c1\ub41c \uad6c\uba4d\uc758 \ubcbd\uc5d0 \uc587\uc740 \uad6c\ub9ac \uce35\uc774 \uc313\uc5ec \ub808\uc774\uc5b4 \uac04\uc5d0 \uc804\uae30\uc801 \uc5f0\uacb0\uc774 \uc774\ub8e8\uc5b4\uc9d1\ub2c8\ub2e4. \ub2e4\uce35 \ubcf4\ub4dc\uc758 \uacbd\uc6b0 \ub808\uc774\uc5b4\uac00 \uc313\uc774\uba74\uc11c \uc774 \uacfc\uc815\uc744 \uc5ec\ub7ec \ubc88 \ubc18\ubcf5\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n<h4 class=\"wp-block-heading\" id=\"solder-mask-and-silkscreen-application\">\uc194\ub354 \ub9c8\uc2a4\ud06c \ubc0f \uc2e4\ud06c\uc2a4\ud06c\ub9b0 \uc801\uc6a9<\/h4>\n\n\n<p>\ub2e4\uc74c\uc73c\ub85c \uc194\ub354 \ub9c8\uc2a4\ud06c\uac00 \uc801\uc6a9\ub429\ub2c8\ub2e4. \uc774\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \ubcf4\ub4dc\uc758 \uc591\uba74\uc5d0 \uc801\uc6a9\ub418\ub294 \uc587\uc740 \ud3f4\ub9ac\uba38 \uce35\uc73c\ub85c, \ubd80\ud488\uc774 \ub0a9\ub55c\ub420 \ubd80\ubd84\ub9cc \ub178\ucd9c\ub41c \uad6c\ub9ac\ub97c \ub0a8\uae41\ub2c8\ub2e4. \uadf8\ub7f0 \ub2e4\uc74c \uc77c\ubc18\uc801\uc73c\ub85c \uc5f4 \ub610\ub294 \uc790\uc678\uc120\uc744 \uc0ac\uc6a9\ud558\uc5ec \uae30\ud310\uc744 \uacbd\ud654\uc2dc\ucf1c \uc194\ub354 \ub9c8\uc2a4\ud06c\ub97c \uad73\ud799\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\ub9c8\uc9c0\ub9c9\uc73c\ub85c \uc2e4\ud06c\uc2a4\ud06c\ub9b0\uc744 \uc801\uc6a9\ud569\ub2c8\ub2e4. \uc774 \uc791\uc5c5\uc740 \uc77c\ubc18\uc801\uc73c\ub85c \uc2a4\ud06c\ub9b0 \uc778\uc1c4 \ud504\ub85c\uc138\uc2a4\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc218\ud589\ub418\uc9c0\ub9cc, \uc77c\ubd80 \uace0\uae09 \ubcf4\ub4dc\uc5d0\uc11c\ub294 \ub354 \uc138\ubc00\ud55c \ub514\ud14c\uc77c\uc744 \uc704\ud574 \uc789\ud06c\uc82f \uc778\uc1c4\ub97c \uc0ac\uc6a9\ud560 \uc218\ub3c4 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"assembly-phase\">\uc870\ub9bd \ub2e8\uacc4<\/h3>\n\n<h4 class=\"wp-block-heading\" id=\"component-placement\">\uad6c\uc131 \uc694\uc18c \ubc30\uce58<\/h4>\n\n\n<p>\uc774\uc81c \ubca0\uc5b4 \ubcf4\ub4dc\uac00 \uc644\uc131\ub41c \uc0c1\ud0dc\uc5d0\uc11c \uad6c\uc131 \uc694\uc18c\ub97c \ucd94\uac00\ud560 \ucc28\ub840\uc785\ub2c8\ub2e4. \uac04\ub2e8\ud55c \ubcf4\ub4dc\ub098 \uc18c\uaddc\ubaa8 \uc0dd\uc0b0\uc758 \uacbd\uc6b0 \uc774 \uc791\uc5c5\uc744 \uc218\uc791\uc5c5\uc73c\ub85c \uc218\ud589\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ud558\uc9c0\ub9cc \ub300\ubd80\ubd84\uc758 \ucd5c\uc2e0 PCB \uc5b4\uc148\ube14\ub9ac\ub294 \ub180\ub77c\uc6b4 \uc18d\ub3c4\uc640 \uc815\ubc00\ub3c4\ub85c \ubd80\ud488\uc744 \ubc30\uce58\ud560 \uc218 \uc788\ub294 \uc790\ub3d9\ud654\ub41c \ud53d \uc564 \ud50c\ub808\uc774\uc2a4 \uae30\uacc4\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/p>\n\n\n<h4 class=\"wp-block-heading\" id=\"soldering\">\ub0a9\ub55c<\/h4>\n\n\n<p>\uad6c\uc131 \uc694\uc18c\uac00 \uc81c\uc790\ub9ac\uc5d0 \ubc30\uce58\ub418\uba74 \ubcf4\ub4dc\uc5d0 \uc601\uad6c\uc801\uc73c\ub85c \ubd80\ucc29\ud574\uc57c \ud569\ub2c8\ub2e4. \uc774 \uc791\uc5c5\uc740 \uc77c\ubc18\uc801\uc73c\ub85c \ub450 \uac00\uc9c0 \ubc29\ubc95 \uc911 \ud558\ub098\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc218\ud589\ud569\ub2c8\ub2e4:<\/p>\n\n\n\n<p><strong>\uc6e8\uc774\ube0c \ub0a9\ub55c:<\/strong> \uae30\ud310\uc744 \uc6a9\uc735\ub41c \ub55c\ub0a9\uc758 \ubb3c\uacb0 \uc704\ub85c \ud1b5\uacfc\uc2dc\ucf1c \ub178\ucd9c\ub41c \uae08\uc18d \ud45c\uba74\uc5d0 \uc811\ucc29\ud558\uc5ec \ud544\uc694\ud55c \uc5f0\uacb0\uc744 \ub9cc\ub4ed\ub2c8\ub2e4. \uc774 \ubc29\ubc95\uc740 \uc77c\ubc18\uc801\uc73c\ub85c \uc2a4\ub8e8\ud640 \uad6c\uc131 \uc694\uc18c\uc5d0 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<p><strong>\ub9ac\ud50c\ub85c\uc6b0 \ub0a9\ub55c:<\/strong> \ubd80\ud488\uc744 \ubc30\uce58\ud558\uae30 \uc804\uc5d0 \uc194\ub354 \ud398\uc774\uc2a4\ud2b8\ub97c \ubcf4\ub4dc\uc5d0 \ub3c4\ud3ec\ud569\ub2c8\ub2e4. \uadf8\ub7f0 \ub2e4\uc74c \uc804\uccb4 \uc5b4\uc148\ube14\ub9ac\ub97c \ub9ac\ud50c\ub85c\uc6b0 \uc624\ube10\uc5d0\uc11c \uac00\uc5f4\ud558\uc5ec \ub55c\ub0a9\uc744 \ub179\uc774\uace0 \uc5f0\uacb0\ubd80\ub97c \ub9cc\ub4ed\ub2c8\ub2e4. \uc774 \ubc29\ubc95\uc740 \ud45c\uba74 \uc2e4\uc7a5 \uad6c\uc131 \uc694\uc18c\uc5d0 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n\n\n<h4 class=\"wp-block-heading\" id=\"testing-and-inspection\">\ud14c\uc2a4\ud2b8 \ubc0f \uac80\uc0ac<\/h4>\n\n\n<p>PCB \uc81c\uc870\uc758 \ub9c8\uc9c0\ub9c9 \ub2e8\uacc4\ub294 \ud14c\uc2a4\ud2b8 \ubc0f \uac80\uc0ac\uc785\ub2c8\ub2e4. \uc5ec\uae30\uc5d0\ub294 \uc721\uc548 \uac80\uc0ac, \uc790\ub3d9 \uad11\ud559 \uac80\uc0ac(AOI), \ud68c\ub85c \ub0b4 \ud14c\uc2a4\ud2b8 \ubc0f \uae30\ub2a5 \ud14c\uc2a4\ud2b8\uac00 \ud3ec\ud568\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc721\uc548 \uac80\uc0ac\uc5d0\ub294 \uc798\ubabb \ubc30\uce58\ub41c \ubd80\ud488\uc774\ub098 \ub0a9\ub55c \ube0c\ub9ac\uc9c0\uc640 \uac19\uc740 \uba85\ubc31\ud55c \uacb0\ud568\uc774 \uc788\ub294\uc9c0 \ud655\uc778\ud558\ub294 \uc791\uc5c5\uc774 \ud3ec\ud568\ub429\ub2c8\ub2e4. \uc790\ub3d9 \uad11\ud559 \uac80\uc0ac(AOI)\ub294 \uce74\uba54\ub77c\uc640 \uc774\ubbf8\uc9c0 \ucc98\ub9ac\ub97c \uc0ac\uc6a9\ud558\uc5ec \uacb0\ud568\uc744 \uac10\uc9c0\ud569\ub2c8\ub2e4. \ud68c\ub85c \ub0b4 \ud14c\uc2a4\ud2b8\uc5d0\ub294 \uc62c\ubc14\ub978 \uc870\ub9bd\uc744 \ud655\uc778\ud558\uae30 \uc704\ud574 \ubcf4\ub4dc\uc758 \ub2e4\uc591\ud55c \uc9c0\uc810\uc744 \uac80\uc0ac\ud558\ub294 \uc791\uc5c5\uc774 \ud3ec\ud568\ub429\ub2c8\ub2e4. \uae30\ub2a5 \ud14c\uc2a4\ud2b8\ub294 \ubcf4\ub4dc\uc758 \uc804\uc6d0\uc744 \ucf1c\uace0 \ubcf4\ub4dc\uac00 \uc758\ub3c4\ud55c \ub300\ub85c \uc791\ub3d9\ud558\ub294\uc9c0 \ud655\uc778\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\uc774 \ud14c\uc2a4\ud2b8\uc5d0 \ubd88\ud569\uaca9\ud55c \ubcf4\ub4dc\ub294 \uac00\ub2a5\ud558\uba74 \uc7ac\uc791\uc5c5\ud558\uac70\ub098 \uacb0\ud568\uc774 \ub108\ubb34 \uc2ec\ud558\uba74 \ud3d0\uae30\ud569\ub2c8\ub2e4.<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"how-circuit-boards-work\">\ud68c\ub85c \uae30\ud310\uc758 \uc791\ub3d9 \uc6d0\ub9ac<\/h2>\n\n\n<p>\uc774\uc81c PCB\uc758 \uad6c\uc131\uacfc \uc81c\uc870\uc5d0 \ub300\ud574 \uc0b4\ud3b4\ubcf4\uc558\uc73c\ub2c8, \uc804\uc790 \uae30\uae30\uc5d0\uc11c \uc2e4\uc81c\ub85c \uc5b4\ub5bb\uac8c \uc791\ub3d9\ud558\ub294\uc9c0 \uc0b4\ud3b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4. PCB\ub294 \uc804\uc790 \ubd80\ud488\uc744 \uc704\ud55c \ubb3c\ub9ac\uc801 \uc9c0\uc9c0 \uad6c\uc870\uc774\uc790 \uadf8 \ud575\uc2ec\uc5d0 \uc788\ub294 \ubcf5\uc7a1\ud55c \uc804\uae30 \uc5f0\uacb0 \ub124\ud2b8\uc6cc\ud06c\uc758 \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4. \uadf8\ub807\ub2e4\uba74 \ub2e8\uc21c\ud574 \ubcf4\uc774\ub294 \uc774 \uae30\ud310\uc774 \uc5b4\ub5bb\uac8c \ud604\ub300 \uc804\uc790\uae30\uae30\uc758 \uc815\uad50\ud55c \uae30\ub2a5\uc744 \uad6c\ud604\ud560 \uc218 \uc788\uc744\uae4c\uc694?<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"pcbs-as-interconnection-platforms\">\uc0c1\ud638 \uc5f0\uacb0 \ud50c\ub7ab\ud3fc\uc73c\ub85c\uc11c\uc758 PCB<\/h3>\n\n\n<p>PCB\ub294 \uac74\ubb3c\uc774 \uc804\uc790 \ubd80\ud488\uc774\uace0 \ub3c4\ub85c\uac00 \uad6c\ub9ac \uc120\ub85c\uc778 \ubbf8\ub2c8\uc5b4\ucc98 \ub3c4\uc2dc\ub77c\uace0 \uc0dd\uac01\ud558\uba74 \ub429\ub2c8\ub2e4. \ub3c4\uc2dc\uc758 \uc778\ud504\ub77c\ub97c \ud1b5\ud574 \uc0ac\ub78c\uacfc \ubb3c\ud488\uc774 \uac74\ubb3c \uc0ac\uc774\ub97c \ud6a8\uc728\uc801\uc73c\ub85c \uc774\ub3d9\ud560 \uc218 \uc788\ub294 \uac83\ucc98\ub7fc, PCB\uc758 \ud754\uc801\uc744 \ud1b5\ud574 \uc804\uae30 \uc2e0\ud638\uc640 \uc804\ub825\uc774 \uad6c\uc131 \uc694\uc18c \uc0ac\uc774\ub97c \uc774\ub3d9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\uc774\ub7ec\ud55c \uc0c1\ud638 \uc5f0\uacb0 \uc5ed\ud560\uc740 \ub9e4\uc6b0 \uc911\uc694\ud569\ub2c8\ub2e4. PCB\uac00 \uc5c6\ub2e4\uba74 \uac01 \uad6c\uc131 \uc694\uc18c\ub97c \uac1c\ubcc4\uc801\uc73c\ub85c \uc640\uc774\uc5b4\ub85c \uc5f0\uacb0\ud574\uc57c \ud558\ub294\ub370, \uc774 \uacfc\uc815\uc740 \uc2dc\uac04\uc774 \uc624\ub798 \uac78\ub9ac\uace0 \uc624\ub958\uac00 \ubc1c\uc0dd\ud558\uae30 \uc26c\uc6b0\uba70 \ubd80\ud53c\uac00 \ud06c\uace0 \uc2e0\ub8b0\ud560 \uc218 \uc5c6\ub294 \uc7a5\uce58\uac00 \ub420 \uac83\uc785\ub2c8\ub2e4. PCB\ub294 \ubd80\ud488 \uc0c1\ud638 \uc5f0\uacb0\uc744 \uc704\ud55c \ud45c\uc900\ud654\ub418\uace0 \ucef4\ud329\ud2b8\ud558\uba70 \uc548\uc815\uc801\uc778 \ud50c\ub7ab\ud3fc\uc744 \uc81c\uacf5\ud568\uc73c\ub85c\uc368 \uc774 \ubb38\uc81c\ub97c \ud574\uacb0\ud569\ub2c8\ub2e4.<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"the-role-of-traces\">\ud2b8\ub808\uc774\uc2a4\uc758 \uc5ed\ud560<\/h3>\n\n\n<p>PCB\uc758 \uad6c\ub9ac \ud2b8\ub808\uc774\uc2a4\ub294 \ud68c\ub85c\uc758 \uc0dd\uba85\uc120\uc785\ub2c8\ub2e4. \ud3ed\uc774 1\ubc00\ub9ac\ubbf8\ud130\ub3c4 \uc548 \ub418\ub294 \uc774 \uc587\uc740 \ud1b5\ub85c\ub294 \ubcf4\ub4dc \uc804\uccb4\uc5d0 \uc804\uae30 \uc2e0\ud638\uc640 \uc804\ub825\uc744 \uc804\ub2ec\ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ud2b8\ub808\uc774\uc2a4\uc758 \ub808\uc774\uc544\uc6c3\uc740 \ud68c\ub85c\uc758 \uae30\ub2a5\uc5d0 \ub9e4\uc6b0 \uc911\uc694\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\uc608\ub97c \ub4e4\uc5b4, \ub514\uc9c0\ud138 \ud68c\ub85c\uc5d0\uc11c \ud2b8\ub808\uc774\uc2a4\ub294 \ub9c8\uc774\ud06c\ub85c\ud504\ub85c\uc138\uc11c\uc640 \uba54\ubaa8\ub9ac \uce69 \uc0ac\uc774\uc5d0 \ub370\uc774\ud130 \uc2e0\ud638\ub97c \uc804\ub2ec\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc544\ub0a0\ub85c\uadf8 \ud68c\ub85c\uc5d0\uc11c\ub294 \ub2e4\uc591\ud55c \uc99d\ud3ed \ub2e8\uacc4 \uac04\uc5d0 \uc624\ub514\uc624 \uc2e0\ud638\ub97c \uc804\ub2ec\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ud2b8\ub808\uc774\uc2a4\uc758 \ud3ed, \uae38\uc774, \ub77c\uc6b0\ud305\uc740 \ud2b9\ud788 \uc784\ud53c\ub358\uc2a4 \ubc0f \uc2e0\ud638 \ubc18\uc0ac\uc640 \uac19\uc740 \uc694\uc18c\uac00 \uc911\uc694\ud55c \uace0\uc8fc\ud30c \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0\uc11c \ud68c\ub85c\uc758 \uc131\ub2a5\uc5d0 \ud070 \uc601\ud5a5\uc744 \ubbf8\uce60 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"component-interaction\">\ucef4\ud3ec\ub10c\ud2b8 \uc0c1\ud638 \uc791\uc6a9<\/h3>\n\n\n<p>\ud2b8\ub808\uc774\uc2a4\ub294 \uacbd\ub85c\ub97c \uc81c\uacf5\ud558\uc9c0\ub9cc, \ud68c\ub85c\uc5d0 \uae30\ub2a5\uc744 \ubd80\uc5ec\ud558\ub294 \uac83\uc740 \uad6c\uc131 \uc694\uc18c \uac04\uc758 \uc0c1\ud638 \uc791\uc6a9\uc785\ub2c8\ub2e4. \uc800\ud56d\uae30\ub294 \uc804\ub958 \ud750\ub984\uc744 \uc81c\uc5b4\ud558\uace0 \uc804\uc555\uc744 \ub098\ub204\uba70, \ucee4\ud328\uc2dc\ud130\ub294 \uc804\uae30 \uc5d0\ub108\uc9c0\ub97c \uc800\uc7a5 \ubc0f \ubc29\ucd9c\ud558\uc5ec \uc804\uc6d0 \uacf5\uae09\uc744 \uc6d0\ud65c\ud558\uac8c \ud558\uace0 AC \uc2e0\ud638\ub97c \uacb0\ud569\ud558\uba70, \uc778\ub355\ud130\ub294 \ud544\ud130\ub9c1 \ubc0f \uc804\ub825 \ubcc0\ud658\uc5d0 \uc720\uc6a9\ud55c \uc790\uae30\uc7a5\uc5d0 \uc5d0\ub108\uc9c0\ub97c \uc800\uc7a5\ud558\uace0, \ud2b8\ub79c\uc9c0\uc2a4\ud130\uc640 \uc9d1\uc801 \ud68c\ub85c\ub294 \uc2e0\ud638\ub97c \ucc98\ub9ac\ud558\uace0 \uc99d\ud3ed\ud558\uc5ec \ubaa8\ub4e0 \ub514\uc9c0\ud138 \ubc0f \uc544\ub0a0\ub85c\uadf8 \ucc98\ub9ac\uc758 \uae30\ubc18\uc744 \ud615\uc131\ud558\ub294 \ub4f1 \ubcf4\ub4dc\uc758 \uac01 \uad6c\uc131 \uc694\uc18c\ub294 \ud2b9\uc815\ud55c \uc5ed\ud560\uc744 \uc218\ud589\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p>PCB\uc758 \ud2b8\ub808\uc774\uc2a4\uc5d0 \uc758\ud574 \uc5f0\uacb0\ub41c \uc774\ub7ec\ud55c \uad6c\uc131 \uc694\uc18c\uc758 \ud2b9\uc815 \ubc30\uc5f4\uc5d0 \ub530\ub77c \ud68c\ub85c\uc758 \uc804\uccb4 \uae30\ub2a5\uc774 \uacb0\uc815\ub429\ub2c8\ub2e4. \uc774\ub294 LED \uc810\uba78 \ud68c\ub85c\ucc98\ub7fc \uac04\ub2e8\ud560 \uc218\ub3c4 \uc788\uace0 \uc2a4\ub9c8\ud2b8\ud3f0\uc758 \uba54\uc778 \ubcf4\ub4dc\ucc98\ub7fc \ubcf5\uc7a1\ud560 \uc218\ub3c4 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"signal-routing-and-power-distribution\">\uc2e0\ud638 \ub77c\uc6b0\ud305 \ubc0f \uc804\ub825 \ubd84\ubc30<\/h3>\n\n\n<p>PCB\ub294 \uc2e0\ud638\ub97c \ud6a8\uc728\uc801\uc73c\ub85c \ub77c\uc6b0\ud305\ud558\uace0 \uc804\ub825\uc744 \ubd84\ubc30\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub2e4\uce35 PCB\uc5d0\uc11c\ub294 \uc804\uccb4 \ub808\uc774\uc5b4\uac00 \uc804\ub825 \ubd84\ubc30 \ubc0f \uc811\uc9c0 \uc804\uc6a9\uc73c\ub85c \uc0ac\uc6a9\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574 \uae30\uc874 \ubc30\uc120 \ubc29\uc2dd\uc5d0 \ube44\ud574 \ub354 \ud6a8\uc728\uc801\uc73c\ub85c \uc804\ub825\uc744 \uacf5\uae09\ud558\uace0 \ub178\uc774\uc988\ub97c \ub354 \uc798 \ucc28\ub2e8\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p>PCB\uc758 \uc2e0\ud638 \ub77c\uc6b0\ud305\uc740 \ud2b9\ud788 \uace0\uc18d \ub514\uc9c0\ud138 \ud68c\ub85c\uc5d0\uc11c \ub9e4\uc6b0 \ubcf5\uc7a1\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc124\uacc4\uc790\ub294 \ud2b8\ub808\uc774\uc2a4 \uae38\uc774 \ub9e4\uce6d, \uc784\ud53c\ub358\uc2a4 \uc81c\uc5b4, \ud06c\ub85c\uc2a4\ud1a0\ud06c \ucd5c\uc18c\ud654 \ub4f1\uc758 \uc694\uc18c\ub97c \uace0\ub824\ud574\uc57c \ud569\ub2c8\ub2e4. \ud2b8\ub808\uc774\uc2a4 \uae38\uc774 \uc815\ud569\uc740 \ubcd1\ub82c \uc2e0\ud638(\uc608: \ub370\uc774\ud130 \ubc84\uc2a4 \ub77c\uc778)\uac00 \ub3d9\uc2dc\uc5d0 \ub3c4\ucc29\ud560 \uc218 \uc788\ub3c4\ub85d \ub3d9\uc77c\ud55c \uc804\uae30\uc801 \uae38\uc774\ub97c \uac16\ub3c4\ub85d \ubcf4\uc7a5\ud569\ub2c8\ub2e4. \uc784\ud53c\ub358\uc2a4 \uc81c\uc5b4\ub294 \uc2e0\ud638 \ubc18\uc0ac\ub97c \ubc29\uc9c0\ud558\uae30 \uc704\ud574 \ud2b8\ub808\uc774\uc2a4\ub97c \ub530\ub77c \uc784\ud53c\ub358\uc2a4\ub97c \uc77c\uc815\ud558\uac8c \uc720\uc9c0\ud574\uc57c \ud569\ub2c8\ub2e4. \ud06c\ub85c\uc2a4\ud1a0\ud06c \ucd5c\uc18c\ud654\ub294 \ud55c \ud2b8\ub808\uc774\uc2a4\uc758 \uc2e0\ud638\uac00 \uc778\uc811\ud55c \ud2b8\ub808\uc774\uc2a4\uc5d0 \uac04\uc12d\ud558\ub294 \uac83\uc744 \ubc29\uc9c0\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\ucd5c\uc2e0 PCB \uc124\uacc4 \uc18c\ud504\ud2b8\uc6e8\uc5b4\ub294 \uc774\ub7ec\ud55c \ubcf5\uc7a1\uc131\uc744 \uad00\ub9ac\ud558\ub294 \ub370 \ub3c4\uc6c0\uc774 \ub418\ub294 \ub3c4\uad6c\ub97c \uc81c\uacf5\ud558\uc9c0\ub9cc, \ucd5c\uc0c1\uc758 \uc131\ub2a5\uc744 \uc704\ud574 \ubcf4\ub4dc\uc758 \ub808\uc774\uc544\uc6c3\uc744 \ucd5c\uc801\ud654\ud558\ub824\uba74 \uc5ec\uc804\ud788 \uc0c1\ub2f9\ud55c \uc804\ubb38 \uc9c0\uc2dd\uc774 \ud544\uc694\ud569\ub2c8\ub2e4.<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"the-pcb-as-a-system\">\uc2dc\uc2a4\ud15c\uc73c\ub85c\uc11c\uc758 PCB<\/h3>\n\n\n<p>PCB\ub294 \ubd80\ud488\uc758 \ucd1d\ud569 \uadf8 \uc774\uc0c1\uc785\ub2c8\ub2e4. \ud2b9\uc815 \uc7ac\ub8cc \ud2b9\uc131\uacfc \ub808\uc774\uc544\uc6c3\uc744 \uac16\ucd98 \ubcf4\ub4dc \uc790\uccb4\ub294 \ud68c\ub85c\uc758 \ud544\uc218\uc801\uc778 \ubd80\ubd84\uc774 \ub429\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uae30\ud310\uc758 \uc720\uc804\uccb4 \ud2b9\uc131\uc740 \ud2b8\ub808\uc774\uc2a4 \uc0ac\uc774\uc758 \uc815\uc804 \uc6a9\ub7c9\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce58\uba70, \uc774\ub294 \uace0\uc8fc\ud30c \uc2e0\ud638 \uc804\ud30c\uc5d0 \uc601\ud5a5\uc744 \uc904 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\ubcf4\ub4dc\uc758 \uc5f4 \ud2b9\uc131\uc740 \uc804\ub825 \uc18c\ubaa8\uac00 \ub9ce\uc740 \uad6c\uc131 \uc694\uc18c\uc5d0\uc11c \uc5f4\uc744 \ubc29\ucd9c\ud558\ub294 \ubc29\uc2dd\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce69\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uad6c\uc131 \uc694\uc18c\uc640 \ud2b8\ub808\uc774\uc2a4\uc758 \ubb3c\ub9ac\uc801 \ubc30\uc5f4\uc740 \ud68c\ub85c\uc758 \uc804\uc790\uae30 \ubc29\ucd9c\uacfc \uac04\uc12d\uc5d0 \ub300\ud55c \ubbfc\uac10\uc131\uc5d0 \uc601\ud5a5\uc744 \uc904 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<p>\ubcf8\uc9c8\uc801\uc73c\ub85c PCB\ub294 \ub2e8\uc21c\ud788 \ud68c\ub85c\ub97c \ud638\uc2a4\ud305\ud558\ub294 \uac83\uc774 \uc544\ub2c8\ub77c \ud68c\ub85c\uc758 \uc77c\ubd80\uac00 \ub429\ub2c8\ub2e4. \uadf8\ub807\uae30 \ub54c\ubb38\uc5d0 PCB \uc124\uacc4\ub294 \uc804\uc790 \uc81c\ud488 \uac1c\ubc1c\uc5d0\uc11c \ub9e4\uc6b0 \uc911\uc694\ud55c \ubd80\ubd84\uc785\ub2c8\ub2e4. \uc798 \uc124\uacc4\ub41c PCB\ub294 \uc81c\ud488\uc758 \uc131\ub2a5, \uc2e0\ub8b0\uc131 \ubc0f \uc81c\uc870 \uac00\ub2a5\uc131\uc744 \ud5a5\uc0c1\uc2dc\ud0ac \uc218 \uc788\ub294 \ubc18\uba74, \uc798\ubabb \uc124\uacc4\ub41c PCB\ub294 \uae30\ub2a5, \uc804\uc790\uae30 \ud638\ud658\uc131 \ub610\ub294 \uc5f4 \uad00\ub9ac\uc5d0 \ubb38\uc81c\ub97c \uc77c\uc73c\ud0ac \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>","protected":false},"excerpt":{"rendered":"<p>\uc2a4\ub9c8\ud2b8\ud3f0\uc758 \ubcf5\uc7a1\ud55c \ub0b4\ubd80 \uc791\ub3d9\uc5d0 \uac10\ud0c4\ud558\uac70\ub098 \ubcf5\uc7a1\ud55c \uc704\uc131 \uc2dc\uc2a4\ud15c\uc774 \uc5b4\ub5bb\uac8c \uc774\ub807\uac8c \uc791\uc740 \ud328\ud0a4\uc9c0\uc5d0 \ub4e4\uc5b4\uac08 \uc218 \uc788\ub294\uc9c0 \uad81\uae08\ud55c \uc801\uc774 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