{"id":4178,"date":"2026-01-28T14:38:14","date_gmt":"2026-01-28T06:38:14","guid":{"rendered":"https:\/\/laserdiode-ld.com\/?p=4178"},"modified":"2026-01-15T14:38:54","modified_gmt":"2026-01-15T06:38:54","slug":"%ec%97%94%ec%a7%80%eb%8b%88%ec%96%b4%eb%a7%81-%ec%8b%a0%eb%a2%b0%ec%84%b1-%eb%b0%98%eb%8f%84%ec%b2%b4-%eb%a0%88%ec%9d%b4%ec%a0%80-%ec%b9%a9-%eb%ac%b4%ea%b2%b0%ec%84%b1%ec%9d%b4-%ea%b3%a0%ec%a0%84","status":"publish","type":"post","link":"https:\/\/laserdiode-ld.com\/ko\/%ec%97%94%ec%a7%80%eb%8b%88%ec%96%b4%eb%a7%81-%ec%8b%a0%eb%a2%b0%ec%84%b1-%eb%b0%98%eb%8f%84%ec%b2%b4-%eb%a0%88%ec%9d%b4%ec%a0%80-%ec%b9%a9-%eb%ac%b4%ea%b2%b0%ec%84%b1%ec%9d%b4-%ea%b3%a0%ec%a0%84-2","title":{"rendered":"\uc5d4\uc9c0\ub2c8\uc5b4\ub9c1 \uc2e0\ub8b0\uc131: \ubc18\ub3c4\uccb4 \ub808\uc774\uc800 \uce69 \ubb34\uacb0\uc131\uc774 \uace0\uc804\ub825 \uc2a4\ud0dd \uc131\ub2a5\uc5d0 \ubbf8\uce58\ub294 \uc601\ud5a5"},"content":{"rendered":"

\ub2e4\uc774\ub809\ud2b8 \ub2e4\uc774\uc624\ub4dc \ub808\uc774\uc800\uc640 \uace0\ucd9c\ub825 \ud38c\ud551 \uc2dc\uc2a4\ud15c\uc73c\ub85c\uc758 \uc0b0\uc5c5 \uc804\ud658\uc73c\ub85c \uc778\ud574 \ud3ec\ud1a0\ub2c9\uc2a4\uc758 \uae30\ubcf8 \uad6c\uc131 \uc694\uc18c\uc778 \ubc18\ub3c4\uccb4 \ub808\uc774\uc800 \uce69<\/strong>. \ucd1d \ucd9c\ub825 \uc804\ub825\uc740 \uc885\uc885 \uc870\ub2ec\uc758 \uc8fc\uc694 \uc9c0\ud45c\uc774\uc9c0\ub9cc, \uc2e4\uc81c \uac12\uc740 \ub808\uc774\uc800 \ub2e4\uc774\uc624\ub4dc \uc2a4\ud0dd<\/strong> \ub294 \uc2a4\ud399\ud2b8\ub7fc \uc548\uc815\uc131\uacfc \uc218\ub9cc \uc2dc\uac04\uc758 \uc791\ub3d9 \uc2dc\uac04 \ub3d9\uc548 \uc131\ub2a5 \uc800\ud558\ub97c \uacac\ub51c \uc218 \uc788\ub294 \ub2a5\ub825\uc73c\ub85c \uce21\uc815\ub429\ub2c8\ub2e4. \uace0\ud718\ub3c4 \ud30c\uc774\ubc84 \ub808\uc774\uc800 \ub610\ub294 \uc758\ub8cc\uc6a9 \uc218\uc220 \uc7a5\ube44\ub97c \uad6c\ucd95\ud558\ub294 \uc2dc\uc2a4\ud15c \ud1b5\ud569\uc5c5\uccb4\uc758 \uacbd\uc6b0 \uce69 \uc218\uc900 \ubb3c\ub9ac\ud559\uc5d0\uc11c \uc2a4\ud0dd \uc218\uc900 \uc5d4\uc9c0\ub2c8\uc5b4\ub9c1\uc73c\ub85c\uc758 \uc804\ud658\uc744 \uc774\ud574\ud558\ub294 \uac83\uc774 \uc7a5\uae30\uc801\uc778 \uc6b4\uc601 \ube44\uc6a9\uc744 \uc808\uac10\ud558\ub294 \ub370 \uac00\uc7a5 \uc911\uc694\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

\uc5d0\ud53c\ud0dd\uc15c \uc6b0\uc218\uc131: \ubc18\ub3c4\uccb4 \ub808\uc774\uc800 \uce69\uc758 \uc218\uba85 \uc8fc\uae30<\/h2>\n\n\n\n

\uc131\ub2a5\uc740 \uace0\ud718\ub3c4 \ub808\uc774\uc800 \ub2e4\uc774\uc624\ub4dc<\/a><\/strong> \ub294 \uae08\ub3c4\uae08 \uacf5\uc815\uc774\ub098 \ub0c9\uac01 \ub9e4\ub2c8\ud3f4\ub4dc\uac00 \ubd80\ucc29\ub418\uae30 \ud6e8\uc52c \uc804\uc5d0 \uacb0\uc815\ub429\ub2c8\ub2e4. \uc774 \uacfc\uc815\uc740 \uc6d0\uc790\uce35 \ub2e8\uc704\uc758 \uc815\ubc00\ub3c4\ub85c \uc5d0\ud53c\ud0dd\uc15c \uce35\uc744 \uc131\uc7a5\uc2dc\ud0a4\ub294 MOCVD(\uae08\uc18d-\uc720\uae30 \ud654\ud559 \uae30\uc0c1 \uc99d\ucc29) \ubc18\uc751\uae30\uc5d0\uc11c \uc2dc\uc791\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n

\ud65c\uc131 \uc601\uc5ed\uc758 \uade0\uc77c\uc131<\/h3>\n\n\n\n

\ud65c\uc131 \uc601\uc5ed\uc758 \ubc18\ub3c4\uccb4 \ub808\uc774\uc800 \uce69<\/a><\/strong> \ub294 \uc77c\ubc18\uc801\uc73c\ub85c \ubcc0\ud615\ub41c InGaAs\/AlGaAs \uc591\uc790 \uc6b0\ubb3c\ub85c \uad6c\uc131\ub429\ub2c8\ub2e4. \uc2e0\ub8b0\uc131\uc740 \uc804\uccb4 \uc6e8\uc774\ud37c\uc5d0 \uac78\uccd0 \uc774\ub7ec\ud55c \uce35\uc758 \uade0\uc77c\uc131\uc5d0 \uc758\ud574 \uacb0\uc815\ub429\ub2c8\ub2e4. \uc591\uc790 \uc6f0\uc758 \ub450\uaed8\uac00 \uba87 \uc639\uc2a4\ud2b8\ub86c\ub9cc \ubcc0\ud654\ud574\ub3c4 \ubc29\ucd9c \ud30c\uc7a5\uc758 \ubcc0\ud654\uac00 \ubc1c\uc0dd\ud569\ub2c8\ub2e4. \uc591\uc790 \uc6b0\ubb3c\uc5d0\uc11c \uba40\ud2f0 \uc774\ubbf8\ud130 \ub808\uc774\uc800 \ub2e4\uc774\uc624\ub4dc<\/a><\/strong> \ubc14\ub97c \uae30\uc900\uc73c\ub85c 10mm \ud3ed\uc758 \uc774\ubbf8\ud130\uac00 \ub2e4\uc591\ud55c \ud30c\uc7a5\uc744 \uac16\ub294 \uacbd\uc6b0, \uacb0\uacfc\uc801\uc73c\ub85c \u201c\uc2a4\ud399\ud2b8\ub7fc \ud655\uc7a5'\uc73c\ub85c \uc778\ud574 \ud761\uc218 \ub300\uc5ed\uc774 \uc881\uc740 \uace0\uccb4 \ub610\ub294 \ud30c\uc774\ubc84 \ub808\uc774\uc800(\uc608: 976nm\uc758 Yb \ub3c4\ud551 \ud30c\uc774\ubc84)\ub97c \ud6a8\uc728\uc801\uc73c\ub85c \ud38c\ud551\ud560 \uc218 \uc5c6\uac8c \ub429\ub2c8\ub2e4.<\/p>\n\n\n\n

\ub0b4\ubd80 \uc591\uc790 \ud6a8\uc728\uacfc \uc5f4 \ubd80\ud558 \ube44\uad50<\/h3>\n\n\n\n

\uace0\uc131\ub2a5 \uce69\uc740 \ub0b4\ubd80 \uc591\uc790 \ud6a8\uc728\uc744 \uadf9\ub300\ud654\ud558\ub3c4\ub85d \uc124\uacc4\ub418\uc5b4 \uc8fc\uc785\ub41c \uc804\uc790\uc758 \ub300\ubd80\ubd84\uc774 \uc5f4\uc774 \uc544\ub2cc \uad11\uc790\ub85c \ubcc0\ud658\ub418\ub3c4\ub85d \ud569\ub2c8\ub2e4. \ub192\uc740 \uc8fc\uc785 \uc804\ub958\uc5d0\uc11c\ub294 \u201c\uce90\ub9ac\uc5b4 \ub204\uc124'\uc774 \uc911\uc694\ud55c \ubb38\uc81c\uac00 \ub429\ub2c8\ub2e4. \uc804\uc790\ub294 \uc591\uc790\uc758 \uac07\ud798\uc5d0\uc11c \ubc97\uc5b4\ub098 \ud074\ub798\ub529 \uce35\uc5d0\uc11c \uc7ac\uacb0\ud569\ud569\ub2c8\ub2e4. \uc774\ub294 \ud6a8\uc728\uc744 \ub5a8\uc5b4\ub728\ub9b4 \ubfd0\ub9cc \uc544\ub2c8\ub77c \uc811\ud569 \uc628\ub3c4\ub97c \uc0c1\uc2b9\uc2dc\ucf1c \uc554\uc120 \uacb0\ud568(DLD)\uc758 \ud615\uc131\uc744 \uac00\uc18d\ud654\ud569\ub2c8\ub2e4. \uce90\ub9ac\uc5b4 \uac10\uae08\uc774 \uc6b0\uc218\ud55c \uce69\uc740 \ub35c \uacf5\uaca9\uc801\uc778 \ub0c9\uac01\uc774 \ud544\uc694\ud558\ubbc0\ub85c \ucd5c\uc885 \uce69\uc758 \ubcf5\uc7a1\uc131\uacfc \ubb34\uac8c\uc5d0 \uc9c1\uc811\uc801\uc778 \uc601\ud5a5\uc744 \ubbf8\uce69\ub2c8\ub2e4. \ub808\uc774\uc800 \ub2e4\uc774\uc624\ub4dc \uc2a4\ud0dd<\/a><\/strong>.<\/p>\n\n\n\n

\uba40\ud2f0 \uc774\ubbf8\ud130 \ub808\uc774\uc800 \ub2e4\uc774\uc624\ub4dc \uc9c0\uc624\uba54\ud2b8\ub9ac\ub97c \ud1b5\ud55c \ud30c\uc6cc \uc2a4\ucf00\uc77c\ub9c1<\/h2>\n\n\n\n

\uc0b0\uc5c5\uc6a9 \uae08\uc18d \uc808\ub2e8 \ub610\ub294 \ud074\ub798\ub529\uc5d0 \ud544\uc694\ud55c \ud0ac\ub85c\uc640\ud2b8 \uc218\uc900\uc758 \ucd9c\ub825\uc744 \ub2ec\uc131\ud558\uae30 \uc704\ud574 \ub2e8\uc77c \uc774\ubbf8\ud130\ub97c \ubc14 \ub2e8\uc704\ub85c \uadf8\ub8f9\ud654\ud558\uace0 \uc774\ub7ec\ud55c \ubc14\ub97c \ud1b5\ud569\ud558\uc5ec \uba40\ud2f0 \uc774\ubbf8\ud130 \ub808\uc774\uc800 \ub2e4\uc774\uc624\ub4dc<\/a><\/strong> \uc5b4\uc148\ube14\ub9ac.<\/p>\n\n\n\n

\ucc44\uc6b0\uae30 \uc694\uc18c \ub51c\ub808\ub9c8<\/h3>\n\n\n\n

\u201c\ucc44\uc6b0\uae30 \uacc4\uc218\u201d\ub294 \ub808\uc774\uc800 \ubc14\uc758 \uc804\uccb4 \ud3ed\uc5d0 \ub300\ud55c \ubc29\ucd9c \uba74\uc801\uc758 \ube44\uc728\uc785\ub2c8\ub2e4. \ud544 \ud329\ud130\uac00 \ub192\uc73c\uba74(\uc608: 50% \uc774\uc0c1) \ucd9c\ub825\uc774 \ucee4\uc9c0\uc9c0\ub9cc \ub0c9\uac01\ud558\uae30 \uc5b4\ub824\uc6b4 \uc9d1\uc911\ub41c \uc5f4 \uc601\uc5ed\uc774 \uc0dd\uae41\ub2c8\ub2e4. \uc6a9\ub3c4\uc5d0 \uace0\ud718\ub3c4 \ub808\uc774\uc800 \ub2e4\uc774\uc624\ub4dc<\/strong> \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0\uc11c\ub294 \ub354 \ub0ae\uc740 \ud544 \ud329\ud130(20% ~ 30%)\uac00 \uc120\ud638\ub418\ub294 \uacbd\uc6b0\uac00 \ub9ce\uc2b5\ub2c8\ub2e4. \uc774 \uac04\uaca9\uc740 \uc774\ubbf8\ud130 \uac04\uc758 \uc5f4 \ubc29\ucd9c\uc744 \uac1c\uc120\ud558\uace0 \uac1c\ubcc4 \uc774\ubbf8\ud130 \ucf5c\ub9ac\uba54\uc774\uc158\uc744 \uc704\ud55c \ub9c8\uc774\ud06c\ub85c \uc635\ud2f1\uc758 \uc0ac\uc6a9\uc744 \uc6a9\uc774\ud558\uac8c \ud558\uba70, \uc774\ub294 \ube54 \ud30c\ub77c\ubbf8\ud130 \uc81c\ud488(BPP)\uc744 \ubcf4\uc874\ud558\ub294 \ub370 \ud544\uc218\uc801\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

\uae30\uacc4\uc801 \uc751\ub825 \ubc0f \ud53c\uce58 \uc815\ubc00\ub3c4<\/h3>\n\n\n\n

\uc5ec\ub7ec \uac1c\uc758 \uc774\ubbf8\ud130\ub97c \uc7a5\ucc29\ud560 \ub54c\ub294 \u201c\ud53c\uce58\u201d(\uc774\ubbf8\ud130 \uc0ac\uc774\uc758 \uac70\ub9ac)\uc758 \uae30\uacc4\uc801 \uc815\ubc00\ub3c4\uac00 \ub9e4\uc6b0 \uc911\uc694\ud569\ub2c8\ub2e4. \uace0\uc804\ub825 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0\uc11c\ub294 \uc774\ubbf8\ud130 \uc704\uce58\uac00 2\ubbf8\ud06c\ub860\ub9cc \ubc97\uc5b4\ub098\ub3c4 \ube5b\uc774 \uace0\uc18d\ucd95 \ucf5c\ub9ac\uba54\uc774\ud130(FAC)\ub97c \ud1b5\uacfc\ud55c \ud6c4 \uc0c1\ub2f9\ud55c \u201c\ud3ec\uc778\ud305 \uc624\ucc28'\uac00 \ubc1c\uc0dd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc2dc\uc2a4\ud15c \ube4c\ub354\uc758 \uc785\uc7a5\uc5d0\uc11c \uc774\ub294 \uc7a5\ucc29 \uacf5\ucc28\uac00 \uc88b\uc9c0 \uc54a\uc740 \uac12\uc2fc \uc2a4\ud0dd\uc740 \ube5b\uc758 \uc0c1\ub2f9 \ubd80\ubd84\uc774 \uc804\uc1a1 \uad11\uc12c\uc720\uc5d0 \ub4e4\uc5b4\uac00\uc9c0 \ubabb\ud558\uae30 \ub54c\ubb38\uc5d0 \u201d\uc0ac\uc6a9 \uac00\ub2a5\ud55c\u201c \uc804\ub825\uc774 \ud6e8\uc52c \ub0ae\uc544\uc9c4\ub2e4\ub294 \uac83\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

\ub808\uc774\uc800 \ub2e4\uc774\uc624\ub4dc \uc2a4\ud0dd\uc758 \uc2a4\ud399\ud2b8\ub7fc \uc5d4\uc9c0\ub2c8\uc5b4\ub9c1<\/h2>\n\n\n\n

\ucd5c\uc2e0 \uc0b0\uc5c5 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0\uc11c\ub294 \uc804\ub825\ub9cc\uc73c\ub85c\ub294 \ucda9\ubd84\ud558\uc9c0 \uc54a\uc73c\uba70 \u201c\uc2a4\ud399\ud2b8\ub7fc \ubc1d\uae30'\uac00 \uc0c8\ub85c\uc6b4 \ubca4\uce58\ub9c8\ud06c\uc785\ub2c8\ub2e4. \uc774\ub294 \ud2b9\ud788 \uad11\uc12c\uc720\uc758 \ud761\uc218 \ud53c\ud06c\uac00 \uc881\uc740(\uc57d 1~2nm) \ud30c\uc774\ubc84 \ub808\uc774\uc800 \ud38c\ud551\uc5d0 \uc0ac\uc6a9\ub418\ub294 976nm \ud30c\uc7a5\uc758 \uacbd\uc6b0 \ub354\uc6b1 \uadf8\ub807\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

\ubcfc\ub968 \ube0c\ub798\uadf8 \uadf8\ub808\uc774\ud305(VBG) \ud1b5\ud569<\/h3>\n\n\n\n

\ud30c\uc7a5\uc744 \uc7a0\uadf8\uace0 \uc2a4\ud399\ud2b8\ub7fc\uc744 \uc881\ud788\uae30 \uc704\ud574 \ubcfc\ub968 \ube0c\ub798\uadf8 \uaca9\uc790\ub97c \uc55e\uc5d0 \ubc30\uce58\ud558\ub294 \uacbd\uc6b0\uac00 \ub9ce\uc2b5\ub2c8\ub2e4. \ub808\uc774\uc800 \ub2e4\uc774\uc624\ub4dc \uc2a4\ud0dd<\/strong>. \uadf8\ub7ec\ub098 VBG \uc7a0\uae08\uc758 \uc131\uacf5 \uc5ec\ubd80\ub294 \uc804\uc801\uc73c\ub85c \uae30\ubcf8 \uc778\ud504\ub77c\uc758 \u201c\uc2a4\ud399\ud2b8\ub7fc \uc21c\ub3c4'\uc5d0 \ub2ec\ub824 \uc788\uc2b5\ub2c8\ub2e4. \ubc18\ub3c4\uccb4 \ub808\uc774\uc800<\/a> \uce69<\/strong>. \uce69\uc758 \uc790\uc5f0 \uac8c\uc778 \ud504\ub85c\ud30c\uc77c\uc774 \ub108\ubb34 \ub113\uac70\ub098 \u201c\uc2a4\ub9c8\uc77c\u201d \ud6a8\uacfc(\uae30\uacc4\uc801 \uad7d\ud798)\uac00 \uc788\ub294 \uacbd\uc6b0, VBG\ub294 \ube5b\uc758 \uc77c\ubd80\ub9cc \uace0\uc815\ud558\uc5ec \u201c\uae30\uc0dd\u201d \ud53c\ud06c\ub97c \ubc1c\uc0dd\uc2dc\ucf1c \uc5ed\ubc18\uc0ac \ub610\ub294 \uad6d\uc18c \uac00\uc5f4\uc744 \ud1b5\ud574 \ub808\uc774\uc800 \uc2dc\uc2a4\ud15c\uc744 \uc190\uc0c1\uc2dc\ud0ac \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

\ud30c\uc7a5 \uc548\uc815\ud654 \ubc0f \uc5f4 \ud53c\ub4dc\ubc31<\/h3>\n\n\n\n

\uc798 \uc124\uacc4\ub41c \uc2a4\ud0dd\uc740 \uc804\ub958\uac00 \uc99d\uac00\ud558\ub354\ub77c\ub3c4 \uc548\uc815\uc801\uc778 \ud30c\uc7a5\uc744 \uc720\uc9c0\ud569\ub2c8\ub2e4. \uc774\ub97c \uc704\ud574\uc11c\ub294 \uc2a4\ud0dd\uc758 \ubaa8\ub4e0 \ubc14\uc5d0 \uac78\uccd0 \uade0\ud615 \uc7a1\ud78c \uc5f4 \uc784\ud53c\ub358\uc2a4\uac00 \ud544\uc694\ud569\ub2c8\ub2e4. 10\ubc14 \uc2a4\ud0dd\uc758 \uc0c1\ub2e8 \ubc14\uac00 \ud558\ub2e8 \ubc14\ubcf4\ub2e4 5\ub3c4 \ub354 \ub728\uac70\uc6b0\uba74 \ud30c\uc7a5\uc774 \uc5c7\uac08\ub824 \uc804\uccb4 \ucd9c\ub825 \uc2a4\ud399\ud2b8\ub7fc\uc774 \ub113\uc5b4\uc9d1\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc5f4 \ubd88\uade0\uc77c\uc131\uc740 \ub0c9\uac01 \ub9e4\ub2c8\ud3f4\ub4dc \uc124\uacc4\uac00 \uc720\uccb4 \uc5ed\ud559 \ubc0f \ubc14 \uc804\uccb4\uc758 \uc555\ub825 \uac15\ud558\ub97c \uace0\ub824\ud558\uc9c0 \uc54a\ub294 \ud558\uc704 \uacc4\uce35 \uc2a4\ud0dd\uc5d0\uc11c \ud754\ud788 \ubc1c\uc0dd\ud558\ub294 \uc7a5\uc560 \uc9c0\uc810\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

\uad6c\uc131 \uc694\uc18c \ud488\uc9c8\uc5d0\uc11c \ucd1d \uc18c\uc720 \ube44\uc6a9(TCO)\uae4c\uc9c0<\/h2>\n\n\n\n

\ud3ec\ud1a0\ub2c9\uc2a4 \uc0b0\uc5c5\uc5d0\uc11c\ub294 \uc2dc\uc2a4\ud15c \ub2e4\uc6b4\ud0c0\uc784\uc73c\ub85c \uc778\ud55c \ub192\uc740 \ube44\uc6a9 \ub54c\ubb38\uc5d0 \u201c\uc800\ub834\ud558\uac8c \uad6c\ub9e4\ud55c\ub2e4'\ub294 \ub17c\ub9ac\ub294 \uc885\uc885 \uc2e4\ud328\ud569\ub2c8\ub2e4. A \ub808\uc774\uc800 \ub2e4\uc774\uc624\ub4dc \uc2a4\ud0dd<\/strong> \ub294 \uc18c\ubaa8\ud488\uc774 \uc544\ub2c8\ub77c \uae30\uacc4\uc758 \ud575\uc2ec \uc5d4\uc9c4\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

\ub808\uc774\uc800 \uc5f4\ud654\uc758 \uc544\ub808\ub2c8\uc6b0\uc2a4 \uad00\uacc4<\/h3>\n\n\n\n

\ub2e4\uc774\uc624\ub4dc\uc758 \uc218\uba85($L$)\uc740 \uc811\ud569 \uc628\ub3c4($T_j$)\uc640 \uae30\ud558\uae09\uc218\uc801\uc73c\ub85c \uad00\ub828\uc774 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n

$L \\propto \\exp(E_a \/ k T_j)$<\/p>\n\n\n\n

\uc5ec\uae30\uc11c $E_a$\ub294 \uc131\ub2a5 \uc800\ud558 \uba54\ucee4\ub2c8\uc998\uc758 \ud65c\uc131\ud654 \uc5d0\ub108\uc9c0\uc774\uace0 $k$\ub294 \ubcfc\uce20\ub9cc \uc0c1\uc218\uc785\ub2c8\ub2e4. \uce69 \ud6a8\uc728 \ud5a5\uc0c1 \ub610\ub294 \uc6b0\uc218\ud55c \uc2a4\ud0dd \ub0c9\uac01\uc744 \ud1b5\ud574 \uc811\ud569 \uc628\ub3c4\ub97c 10\u00b0C\ub9cc \ub0ae\ucd94\uba74 \ub514\ubc14\uc774\uc2a4\uc758 \uc791\ub3d9 \uc218\uba85\uc744 \ub450 \ubc30\ub85c \ub298\ub9b4 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc7ac\ubb34\uc801 \uad00\uc810\uc5d0\uc11c \ubcf4\uba74, 20%\uc758 \ube44\uc6a9\uc774 \ub354 \ub4e4\uc9c0\ub9cc 100% \ub354 \uc624\ub798 \uc9c0\uc18d\ub418\ub294 \uc2a4\ud0dd\uc740 \uad50\uccb4 \uc778\ub825\uacfc \uc0dd\uc0b0 \uc2dc\uac04 \uc190\uc2e4\uc744 \uace0\ub824\ud560 \ub54c TCO\ub97c \uc808\ubc18 \uac00\uae4c\uc774 \uc808\uac10\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

\uc0ac\ub840 \uc5f0\uad6c: \uc0b0\uc5c5\uc6a9 \ud30c\uc774\ubc84 \ub808\uc774\uc800\ub97c \uc704\ud55c \uace0\ud6a8\uc728 \ud38c\ud551<\/h2>\n\n\n\n

1. \ud074\ub77c\uc774\uc5b8\ud2b8 \ubc30\uacbd<\/h3>\n\n\n\n

\ud55c \uc0b0\uc5c5\uc6a9 \ub808\uc774\uc800 \uc81c\uc870\uc5c5\uccb4\ub294 \uc870\uc120\uc18c \uc6a9\uc811 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc744 \uc704\ud55c 20kW CW \ud30c\uc774\ubc84 \ub808\uc774\uc800\ub97c \uac1c\ubc1c \uc911\uc774\uc5c8\uc2b5\ub2c8\ub2e4. \uc774 \uc2dc\uc2a4\ud15c\uc5d0\ub294 \ub2e4\uc591\ud55c \uc8fc\ubcc0 \uc870\uac74\uc5d0\uc11c \uc881\uc740 \uc2a4\ud399\ud2b8\ub7fc \ud3ed\uc744 \uc720\uc9c0\ud560 \uc218 \uc788\ub294 \uc548\uc815\uc801\uc778 976nm \ud38c\ud504 \uc18c\uc2a4\uac00 \ud544\uc694\ud588\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

2. \uae30\uc220\uc801 \uacfc\uc81c<\/h3>\n\n\n\n

\ucd08\uae30 \ud504\ub85c\ud1a0\ud0c0\uc785\uc740 \ud45c\uc900 \uba40\ud2f0 \uc774\ubbf8\ud130 \ub808\uc774\uc800 \ub2e4\uc774\uc624\ub4dc<\/strong> \uc2a4\ud0dd\uc744 \ud615\uc131\ud569\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \ud38c\ud504 \ucd9c\ub825\uc774 \uc99d\uac00\ud568\uc5d0 \ub530\ub77c \u201c\ud30c\uc7a5 \uc774\ub3d9\u201d\uc73c\ub85c \uc778\ud574 \ud38c\ud504 \ube5b\uc774 \uc774\ud14c\ub974\ube00 \ud761\uc218 \ud53c\ud06c\uc5d0\uc11c \uba40\uc5b4\uc9c0\uac8c \ub418\uc5c8\uc2b5\ub2c8\ub2e4. \uadf8 \uacb0\uacfc \ud761\uc218\ub418\uc9c0 \uc54a\uc740 \ud38c\ud504 \ube5b\uc774 \ud30c\uc774\ubc84 \ub808\uc774\uc800\uc758 \uacb0\ud569\uae30\uc5d0 \ub3c4\ub2ec\ud558\uc5ec \uad11\ud559 \uad6c\uc131 \uc694\uc18c\uc5d0 \uce58\uba85\uc801\uc778 \uc5f4 \uace0\uc7a5\uc744 \uc77c\uc73c\ucf30\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

    \n
  • \ubaa9\ud45c \ud30c\uc7a5:<\/strong> 976nm(\uc548\uc815\ud654).<\/li>\n\n\n\n
  • \uc2a4\ud399\ud2b8\ub7fc \ud3ed:<\/strong> < 1.0nm(FWHM).<\/li>\n\n\n\n
  • \uc6b4\uc601 \ud658\uacbd:<\/strong> 10\u00b0C~40\u00b0C\uc758 \uc628\ub3c4 \ubcc0\ub3d9\uc774 \uc788\ub294 \uc0b0\uc5c5 \ud604\uc7a5.<\/li>\n<\/ul>\n\n\n\n

    3. \uae30\uc220 \ud30c\ub77c\ubbf8\ud130 \uc124\uc815 \ubc0f \uc194\ub8e8\uc158<\/h3>\n\n\n\n

    \uace0\ubc00\ub3c4 \ub808\uc774\uc800 \ub2e4\uc774\uc624\ub4dc \uc2a4\ud0dd<\/strong> \uace0\uae09 \ud65c\uc6a9 \ubc18\ub3c4\uccb4 \ub808\uc774\uc800 \uce69<\/strong> \ud2b9\uc218\ud55c \u201c\uc7a0\uae34 \ud30c\uc7a5\u201d \uc544\ud0a4\ud14d\ucc98\ub97c \uac16\ucd98 \uae30\uc220\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

    \ub9e4\uac1c\ubcc0\uc218<\/strong><\/td>\uae30\uc900 \uc2a4\ud0dd<\/strong><\/td>\uace0\ud718\ub3c4 \ucd5c\uc801\ud654 \uc2a4\ud0dd<\/strong><\/td><\/tr><\/thead>
    \uc911\uc2ec \ud30c\uc7a5<\/strong><\/td>976nm<\/td>976.2nm<\/td><\/tr>
    \ubd84\uad11 \ud3ed (FWHM)<\/strong><\/td>4.5nm<\/td>0.8nm(VBG \uc7a0\uae08)<\/td><\/tr>
    \ud30c\uc7a5 \uc2dc\ud504\ud2b8 \ub300 \uc628\ub3c4<\/strong><\/td>0.35nm\/\u00b0C<\/td>0.02nm\/\u00b0C<\/td><\/tr>
    \ub9c9\ub300 \uac04 \uc628\ub3c4 \ub378\ud0c0<\/strong><\/td>6.5 \u00b0C<\/td>1.8 \u00b0C<\/td><\/tr>
    \ubc14\ub2f9 \ucd5c\ub300 \ucd9c\ub825<\/strong><\/td>100 W<\/td>135 W<\/td><\/tr>
    \uc5f4 \uc800\ud56d<\/strong><\/td>0.45 K\/W<\/td>0.28 K\/W<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

    4. \ud488\uc9c8 \uad00\ub9ac(QC) \ubc0f \uac80\uc99d<\/h3>\n\n\n\n
      \n
    • \uc2a4\ud399\ud2b8\ub7fc \ub9e4\ud551:<\/strong> \ubaa8\ub4e0 \uba40\ud2f0 \uc774\ubbf8\ud130 \ub808\uc774\uc800 \ub2e4\uc774\uc624\ub4dc<\/strong> \ub9c9\ub300\ub294 \uc2a4\ud0dd\uc5d0 \ud1b5\ud569\ub418\uae30 \uc804\uc5d0 \ud30c\uc7a5 \uade0\uc77c\uc131\uc744 \uc704\ud574 \ub9e4\ud551\ub418\uc5c8\uc2b5\ub2c8\ub2e4.<\/li>\n\n\n\n
    • \uace0\uc555 \uc720\uccb4 \ud14c\uc2a4\ud2b8:<\/strong> \ub9c8\uc774\ud06c\ub85c \ucc44\ub110 \ucfe8\ub7ec\ub294 \u201c\ud56b\uc2a4\ud31f\u201d\uc744 \uc720\ubc1c\ud560 \uc218 \uc788\ub294 \ub204\uc218\ub098 \ud750\ub984 \uc81c\ud55c\uc774 \uc5c6\ub294\uc9c0 \ud655\uc778\ud558\uae30 \uc704\ud574 10bar \uc555\ub825\uc5d0\uc11c \ud14c\uc2a4\ud2b8\ub97c \uac70\ucce4\uc2b5\ub2c8\ub2e4.\u201d<\/li>\n\n\n\n
    • \uc804\uae30 \uad11\ud559 \ud6a8\uc728 \ud504\ub85c\ud30c\uc77c\ub9c1:<\/strong> \uc2a4\ud0dd\uc740 110%\uc758 \uc815\uaca9 \uc804\ub958\uc5d0\uc11c \ud14c\uc2a4\ud2b8\ud558\uc5ec \uce69\uc758 NAM(\ube44\ud761\uc218 \ubbf8\ub7ec) \uba74\uc774 \uadf9\ud55c\uc758 \uc11c\uc9c0\ub97c \ucc98\ub9ac\ud560 \uc218 \uc788\ub294\uc9c0 \ud655\uc778\ud588\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n

      5. \uacb0\ub860<\/h3>\n\n\n\n

      \uc5f4 \uc804\ub3c4\uc131\uc774 \ub6f0\uc5b4\ub09c \uc2a4\ud0dd\uacfc VBG \ud638\ud658 \uce69\uc744 \ud65c\uc6a9\ud558\uc5ec \uace0\uac1d\uc740 \uc548\uc815\uc801\uc778 20kW \ucd9c\ub825\uc744 \ub2ec\uc131\ud588\uc2b5\ub2c8\ub2e4. \uc881\uc740 \uc2a4\ud399\ud2b8\ub7fc\uc740 \ud38c\ud504 \ud761\uc218 \ud6a8\uc728\uc744 75%\uc5d0\uc11c 92%\ub85c \ub192\uc5ec \ud30c\uc774\ubc84 \ub808\uc774\uc800 \ub0c9\uac01 \uc2dc\uc2a4\ud15c\uc758 \uc5f4 \ubd80\ud558\ub97c \ud06c\uac8c \uc904\uc774\uace0 \uc804\uccb4 \uc124\uacc4\ub97c \ub354\uc6b1 \ucef4\ud329\ud2b8\ud558\uac8c \ub9cc\ub4e4 \uc218 \uc788\uc5c8\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

      \uae30\uc220 \uc131\ub2a5 \ub370\uc774\ud130: \ub2e4\uc774\uc624\ub4dc \uc2a4\ud0dd \ubc0f \uc2a4\ud399\ud2b8\ub7fc \uc81c\uc5b4<\/h2>\n\n\n\n

      \uc774 \ud45c\ub294 \ub2e4\uc591\ud55c \ub4f1\uae09\uc758 \ub808\uc774\uc800 \ub2e4\uc774\uc624\ub4dc \uc2a4\ud0dd<\/strong> \uce69 \ubb34\uacb0\uc131 \ubc0f \ub9c8\uc6b4\ud305 \uae30\uc220\uc744 \uae30\ubc18\uc73c\ub85c \ud55c \uad6c\uc131\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

      \uae30\ub2a5 \uce74\ud14c\uace0\ub9ac<\/strong><\/td>\uc774\ucf54\ub178\ubbf8 \ub4f1\uae09<\/strong><\/td>\uc0b0\uc5c5 \ub4f1\uae09<\/strong><\/td>\uace0\ud718\ub3c4 \uc2dc\ub9ac\uc988<\/strong><\/td><\/tr><\/thead>
      \uce69 \ub4f1\uae09<\/strong><\/td>\ud45c\uc900 \ub4f1\uae09<\/td>\uace0\uc2e0\ub8b0\uc131 \ud328\uc2dc\ube0c<\/td>\ucd08\uace0\ud6a8\uc728<\/td><\/tr>
      \ub0a9\ub55c \uc720\ud615<\/strong><\/td>\uc778\ub4d0 \ub55c\ub0a9<\/td>AuSn \ud558\ub4dc \uc194\ub354<\/td>AuSn \ud558\ub4dc \uc194\ub354<\/td><\/tr>
      \ubc29\uc5f4\ud310<\/strong><\/td>\uad6c\ub9ac \ube14\ub85d<\/td>\ub9e4\ud06c\ub85c \ucc44\ub110<\/td>\ub9c8\uc774\ud06c\ub85c \ucc44\ub110(MCC)<\/td><\/tr>
      \uc2a4\ud399\ud2b8\ub7fc \ud3ed<\/strong><\/td>3 - 5nm<\/td>2 - 3nm<\/td>< 1nm(VBG \uc0ac\uc6a9)<\/td><\/tr>
      \uc77c\ubc18\uc801\uc778 \uc218\uba85<\/strong><\/td>5,000\uc2dc\uac04<\/td>15,000\uc2dc\uac04<\/td>> 20,000\uc2dc\uac04 \ucd08\uacfc<\/td><\/tr>
      \ubc1d\uae30(MW\/cm\u00b2-sr)<\/strong><\/td>\ub0ae\uc74c<\/td>Medium<\/td>\ub192\uc74c<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

      \uc790\uc8fc \ubb3b\ub294 \uc9c8\ubb38<\/h2>\n\n\n\n

      1. \u201c\ubbf8\uc18c\u201d \ud6a8\uacfc\ub294 \uad11\ucf00\uc774\ube14 \uacb0\ud569 \ud6a8\uc728\uc5d0 \uc5b4\ub5a4 \uc601\ud5a5\uc744 \ubbf8\uce58\ub098\uc694?<\/h3>\n\n\n\n

      \u201c\ubbf8\uc18c\u201d \ud6a8\uacfc\ub294 \ubb3c\ub9ac\uc801\uc73c\ub85c \uace0\uac1c\ub97c \uc219\uc774\ub294 \uba40\ud2f0 \uc774\ubbf8\ud130 \ub808\uc774\uc800 \ub2e4\uc774\uc624\ub4dc<\/strong> \ub9c9\ub300. \ubc14\uac00 \uc644\ubcbd\ud558\uac8c \ud3c9\ud3c9\ud558\uc9c0 \uc54a\uc73c\uba74 \uc774\ubbf8\ud130\uac00 \ub354 \uc774\uc0c1 \uace0\uc18d \ucd95 \ucf5c\ub9ac\uba54\uc774\ud130(FAC)\uc758 \ucd08\uc810\uba74\uc5d0 \uc788\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \uc774\ub85c \uc778\ud574 \uac1c\ubcc4 \ube54\uc774 \uc11c\ub85c \ub2e4\ub978 \ubc29\ud5a5\uc744 \uac00\ub9ac\ud0a4\uac8c \ub418\uc5b4 \ube5b\uc744 \uc791\uc740 \uad11\uc12c\uc720\uc5d0 \uc9d1\uc911\uc2dc\ud0ac \uc218 \uc5c6\uac8c \ub429\ub2c8\ub2e4. \uace0\ud488\uc9c8 \uc2a4\ud0dd\uc740 0.5\ub9c8\uc774\ud06c\ub860 \uc774\ud558\uc758 \ud3c9\ud0c4\ub3c4\ub97c \uc720\uc9c0\ud558\uae30 \uc704\ud574 AuSn \uc194\ub354\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

      2. \uc0b0\uc5c5\uc6a9 \uc2a4\ud0dd\uc5d0 \uc778\ub4d0\ubcf4\ub2e4 AuSn \uc194\ub354\uac00 \uc120\ud638\ub418\ub294 \uc774\uc720\ub294 \ubb34\uc5c7\uc778\uac00\uc694?<\/h3>\n\n\n\n

      \uc778\ub4d0\uc740 \uc5f4 \uc2a4\ud2b8\ub808\uc2a4\ub97c \ubc1b\uc73c\uba74 \u201c\ud06c\ub9ac\ud504\u201d\uac00 \ubc1c\uc0dd\ud558\uc5ec \uc2dc\uac04\uc774 \uc9c0\ub0a8\uc5d0 \ub530\ub77c \ube54 \ud488\uc9c8\uc774 \uc800\ud558\ub420 \uc218 \uc788\ub294 \uc5f0\uc131 \uc194\ub354\uc785\ub2c8\ub2e4. AuSn(\uae08-\uc8fc\uc11d)\uc740 \ub2e8\ub2e8\ud558\uace0 \uc548\uc815\uc801\uc778 \uacb0\ud569\uc744 \uc81c\uacf5\ud558\ub294 \uacbd\uc9c8 \uc194\ub354\uc785\ub2c8\ub2e4. \ub354 \ubcf5\uc7a1\ud55c \uc81c\uc870 \ubc0f CTE\uc640 \uc77c\uce58\ud558\ub294 \uc11c\ube0c\ub9c8\uc6b4\ud2b8\uac00 \ud544\uc694\ud558\uc9c0\ub9cc, \uc774 \uc194\ub354\ub294 \ubc18\ub3c4\uccb4 \ub808\uc774\uc800 \uce69<\/strong> \uc774\ub3d9\uc744 \ubc29\uc9c0\ud558\uc5ec \uc218\ub144\uac04\uc758 \uc6b4\uc601 \uae30\uac04 \ub3d9\uc548 \uc77c\uad00\ub41c \uc131\ub2a5\uc744 \ubcf4\uc7a5\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

      3. \u201c\ube44\ud761\uc218 \ubbf8\ub7ec(NAM)\u201d\ub294 \uce69 \uc2e0\ub8b0\uc131\uc5d0\uc11c \uc5b4\ub5a4 \uc5ed\ud560\uc744 \ud558\ub098\uc694?<\/h3>\n\n\n\n

      NAM\uc740 \uc804\ubb38\ud654\ub41c \uce58\ub8cc\ubc95\uc785\ub2c8\ub2e4. \ubc18\ub3c4\uccb4 \ub808\uc774\uc800 \uce69<\/strong>. \uc774\ub294 \ud45c\uba74\uc5d0\uc11c \uad11\uc790\uc758 \ud761\uc218\ub97c \ubc29\uc9c0\ud558\uc5ec \uce58\uba85\uc801\uc778 \uad11\ud559 \uc190\uc0c1(COD)\uc758 \uc8fc\uc694 \uc6d0\uc778\uc778 \uad11\uc790\uc758 \ud761\uc218\ub97c \ubc29\uc9c0\ud569\ub2c8\ub2e4. NAM \uae30\uc220\uc774 \uc5c6\uc73c\uba74 \uce69\uc740 \ub2e4\uc74c\uc5d0 \ud544\uc694\ud55c \ub192\uc740 \uc804\ub958 \ubc00\ub3c4\uc5d0\uc11c \uc548\uc804\ud558\uac8c \uc791\ub3d9\ud560 \uc218 \uc5c6\uc2b5\ub2c8\ub2e4. \uace0\ud718\ub3c4 \ub808\uc774\uc800 \ub2e4\uc774\uc624\ub4dc<\/strong> \uc560\ud50c\ub9ac\ucf00\uc774\uc158.<\/p>\n\n\n\n

      4. \ub0c9\uac01\uc218 \ud488\uc9c8\uc774 \ub808\uc774\uc800 \ub2e4\uc774\uc624\ub4dc \uc2a4\ud0dd\uc758 \uc218\uba85\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce60 \uc218 \uc788\ub098\uc694?<\/h3>\n\n\n\n

      \uc608, \ud2b9\ud788 \ub9c8\uc774\ud06c\ub85c \ucc44\ub110 \ub0c9\uac01\uc774 \uc788\ub294 \uc2a4\ud0dd\uc758 \uacbd\uc6b0 \ub354\uc6b1 \uadf8\ub807\uc2b5\ub2c8\ub2e4. \ubb3c\uc744 \uc81c\ub300\ub85c \ud0c8\uc774\uc628 \ucc98\ub9ac\ud558\uac70\ub098 \uc5ec\uacfc\ud558\uc9c0 \uc54a\uc73c\uba74 \ubbf8\ub124\ub784 \uce68\uc804\ubb3c\uc774\ub098 \uc0dd\ubb3c\ud559\uc801 \uc131\uc7a5\uc73c\ub85c \uc778\ud574 \ubbf8\uc138 \ucc44\ub110\uc774 \ub9c9\ud790 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub85c \uc778\ud574 \uce69\uc758 \uc811\ud569\ubd80 \uc628\ub3c4\uac00 \uc989\uac01\uc801\uc73c\ub85c \uc0c1\uc2b9\ud558\uc5ec \uce69\uc758 \uc218\uba85\uc774 \ud06c\uac8c \ub2e8\ucd95\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n

      5. \uc2a4\ud0dd\uc758 \ud30c\uc7a5\uc774 \uc548\uc815\uc801\uc778\uc9c0 \uc5b4\ub5bb\uac8c \ud655\uc778\ud560 \uc218 \uc788\ub098\uc694?<\/h3>\n\n\n\n

      \ub4dc\ub77c\uc774\ube0c \uc804\ub958\ub97c \ubcc0\ud654\uc2dc\ud0a4\uba74\uc11c \uad11\ud559 \uc2a4\ud399\ud2b8\ub7fc \ubd84\uc11d\uae30(OSA)\ub97c \uc0ac\uc6a9\ud558\uc5ec \ucd9c\ub825 \uc2a4\ud399\ud2b8\ub7fc\uc744 \ubaa8\ub2c8\ud130\ub9c1\ud574\uc57c \ud569\ub2c8\ub2e4. \uc548\uc815\uc801\uc778 \uc2a4\ud0dd\uc740 \uc804\ub958\uac00 \uc99d\uac00\ud568\uc5d0 \ub530\ub77c \ud53c\ud06c \ud30c\uc7a5\uc758 \ubcc0\ud654\uac00 \uac70\uc758 \ub098\ud0c0\ub098\uc9c0 \uc54a\uc73c\uba70, \ud2b9\ud788 VBG\ub85c \uc7a0\uae34 \uc2a4\ud0dd\uc778 \uacbd\uc6b0 \ub354\uc6b1 \uadf8\ub807\uc2b5\ub2c8\ub2e4. \uace0\ud718\ub3c4 \ub808\uc774\uc800 \ub2e4\uc774\uc624\ub4dc<\/strong>.<\/p>","protected":false},"excerpt":{"rendered":"

      \ub2e4\uc774\ub809\ud2b8 \ub2e4\uc774\uc624\ub4dc \ub808\uc774\uc800\uc640 \uace0\ucd9c\ub825 \ud38c\ud551 \uc2dc\uc2a4\ud15c\uc73c\ub85c\uc758 \uc0b0\uc5c5 \uc804\ud658\uc73c\ub85c \uc778\ud574 \ud3ec\ud1a0\ub2c9\uc2a4\uc758 \uae30\ubcf8 \uad6c\uc131 \uc694\uc18c\uc778 \ubc18\ub3c4\uccb4 \ub808\uc774\uc800 \uce69\uc5d0 \uc804\ub840 \uc5c6\ub294 \uad00\uc2ec\uc774 \uc9d1\uc911\ub418\uace0 \uc788\uc2b5\ub2c8\ub2e4. \ucd1d \ucd9c\ub825 \uc804\ub825\uc774 \uc870\ub2ec\uc758 \uc8fc\uc694 \uc9c0\ud45c\uc778 \uacbd\uc6b0\uac00 \ub9ce\uc9c0\ub9cc, \ub808\uc774\uc800 \ub2e4\uc774\uc624\ub4dc \uc2a4\ud0dd\uc758 \uc9c4\uc815\ud55c \uac00\uce58\ub294 \uc2a4\ud399\ud2b8\ub7fc \uc548\uc815\uc131\uacfc [...]\uc758 \ub2a5\ub825\uc73c\ub85c 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