EP-ADS \ucef4\ud329\ud2b8 \uc2dc\ub9ac\uc988<\/a>\ud55c\uad6d \uc5d0\ubc84\ud30c\uc6cc(Ever-Power) EP \uc2dc\ub9ac\uc988 \uae30\uc5b4\ubc15\uc2a4\ub294 \ud558\uc6b0\uc9d5\uacfc \uc720\uc131\uae30\uc5b4 \uce90\ub9ac\uc5b4 \ubd80\ud488 \ubaa8\ub450 \uc54c\ub8e8\ubbf8\ub284 \ud558\uc6b0\uc9d5 \uc635\uc158\uc744 \uc120\ud0dd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub2e8, \ub0b4\ubd80\uc758 \uac15\ucca0 \uae30\uc5b4 \uc694\uc18c(\uc720\uc131\uae30\uc5b4, \ub9c1\uae30\uc5b4, \ud0dc\uc591\uae30\uc5b4)\ub294 \uc815\ubc00 \uae30\uc5b4 \uc81c\uc870\uc0c1 \ubd88\uac00\ud53c\ud558\uac8c \uac15\ucca0\ub85c \uc81c\uc791\ub429\ub2c8\ub2e4. \uac15\ucca0 \uae30\uc5b4 \uc694\uc18c\ub294 \uace0\uc18d \ud68c\uc804\ud558\uc5ec \uc815\uc790\uae30\uc7a5 \uae30\uc5ec\ub3c4\ub97c \uc904\uc774\uace0 \uc678\ubd80 \ud558\uc6b0\uc9d5\uc5d0 \uc758\ud574 \uc0c1\ub2f9 \ubd80\ubd84 \ucc28\ud3d0\ub418\ubbc0\ub85c \ud558\uc6b0\uc9d5\ubcf4\ub2e4 \uc790\uae30 \uc2e0\ud638\uac00 \ud6e8\uc52c \uc791\uc2b5\ub2c8\ub2e4. \uc138\ub77c\ubbf9 \ub610\ub294 \ud2f0\ud0c0\ub284 \uae30\uc5b4 \uc694\uc18c\ub97c \ud3ec\ud568\ud55c \uc644\uc804 \ube44\uc790\uc131 \uad6c\uc870\ub294 \uc5b4\ub5a4 \uc81c\uc870\uc5c5\uccb4\uc758 \ud45c\uc900 \uce74\ud0c8\ub85c\uadf8 \uc81c\ud488\uc5d0\uc11c\ub3c4 \uc81c\uacf5\ub418\uc9c0 \uc54a\ub294 \ub9de\ucda4\ud615 \uc5d4\uc9c0\ub2c8\uc5b4\ub9c1 \uc791\uc5c5\uc785\ub2c8\ub2e4.<\/p>\n<\/section>\n<\/p>\n\n\uc0bc\uc131 \ubc0f SK\ud558\uc774\ub2c9\uc2a4 \uacf5\uae09\ub9dd - \uc7a5\ube44 \uc778\uc99d\uc744 \uc704\ud55c \ubb38\uc11c \uc694\uad6c \uc0ac\ud56d<\/h2>\n
\uc0bc\uc131(\ud3c9\ud0dd, \ud654\uc131, \uae30\ud765)\uacfc SK\ud558\uc774\ub2c9\uc2a4(\uccad\uc8fc, \uc774\ucc9c)\uc5d0 \uc785\ucc30\ud558\ub294 \ud55c\uad6d \ubc18\ub3c4\uccb4 \uc7a5\ube44 \uacf5\uae09\uc5c5\uccb4\ub294 \ub2e4\ub2e8\uacc4 \uacf5\uae09\uc5c5\uccb4 \uc2b9\uc778 \uc808\ucc28\ub97c \ud1b5\ud574 \uc7a5\ube44\ub97c \uac80\uc99d\ubc1b\uc544\uc57c \ud569\ub2c8\ub2e4. \uae30\uc5b4\ubc15\uc2a4\ub97c \ud3ec\ud568\ud55c \uad6c\ub3d9 \ubd80\ud488\uc5d0 \ub300\ud55c \ubd80\ud488 \uc218\uc900\uc758 \ubb38\uc11c\ub294 \uc77c\ubc18\uc801\uc73c\ub85c IQ(\uc124\uce58 \uac80\uc99d) \ub2e8\uacc4\uc5d0\uc11c \uc694\uad6c\ub429\ub2c8\ub2e4. \ud544\uc694\ud55c \ubb38\uc11c \ud328\ud0a4\uc9c0\ub294 \uacf5\uc815 \uad6c\uc5ed \ud074\ub9b0\ub8f8 \ub4f1\uae09\uacfc \uc7a5\ube44 \uc720\ud615\uc5d0 \ub530\ub77c \ub2e4\ub974\uc9c0\ub9cc, ISO 4~5 \ub4f1\uae09 \uad6c\uc5ed\uc758 \uc815\ubc00 \uad6c\ub3d9 \ubd80\ud488\uc5d0 \ub300\ud55c \ud45c\uc900 \ud328\ud0a4\uc9c0\uc5d0\ub294 \ub2e4\uc74c \ud56d\ubaa9\uc774 \ud3ec\ud568\ub429\ub2c8\ub2e4.<\/p>\n
\n
\n
\u2460 \ud074\ub9b0\ub8f8 \uc790\uc7ac \uc778\uc99d<\/div>\n
\uc81c\uc870\uc5c5\uccb4\uac00 \ubaa8\ub4e0 \uc790\uc7ac(\ud558\uc6b0\uc9d5, \uc530, \uc724\ud65c\uc720)\uac00 \uc81c\uc870 \uacf5\uc7a5\uc758 \uc790\uc7ac \uc0ac\uc591\uc744 \ucda9\uc871\ud55c\ub2e4\ub294 \uc11c\uba74 \uc9c4\uc220\uc11c. PFPE \uc724\ud65c\uc720\uc758 \uacbd\uc6b0: PFPE \ub4f1\uae09 \ubc0f \uacf5\uae09\uc5c5\uccb4\uba85 \ud3ec\ud568. FFKM \uc530\uc758 \uacbd\uc6b0: \ubd88\uc18c\uc218\uc9c0 \uc0ac\uc591 \ud655\uc778. \ud55c\uad6d \uc5d0\ubc84\ud30c\uc6cc\ub294 \uc774 \uc9c4\uc220\uc11c\ub97c \ud55c\uad6d\uc5b4\ub85c \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n<\/div>\n
\n
\u2461 \uac00\uc2a4 \ubc29\ucd9c \uc2dc\ud5d8 \ub370\uc774\ud130<\/div>\n
ASTM E1603 \ub610\ub294 \ub3d9\ub4f1\ud55c \uaddc\uaca9\uc5d0 \ub530\ub978 \uc724\ud65c\uc720 \ubc0f \uc530 \uc7ac\uc9c8\uc758 \uac00\uc2a4 \ubc29\ucd9c \uc2dc\ud5d8 \uacb0\uacfc(20~25\u00b0C). \ucd1d \uc9c8\ub7c9 \uc190\uc2e4(TML) \ubc0f \uc218\uc9d1\ub41c \ud718\ubc1c\uc131 \uc751\ucd95 \ubb3c\uc9c8(CVCM)\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4. PFPE \uadf8\ub9ac\uc2a4\uc758 \uacbd\uc6b0, \uc774\ub7ec\ud55c \uac12\uc740 \uc77c\ubc18\uc801\uc73c\ub85c <0.01% TML \ubc0f <0.001% CVCM\uc73c\ub85c, \ud45c\uc900 \uc81c\uc870 \ud55c\ub3c4 \ub0b4\uc5d0 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<\/div>\n
\n
\u2462 \ubc31\ub798\uc2dc \uce21\uc815 \uc778\uc99d\uc11c<\/div>\n
\ub2e8\uc704\ubcc4 \uce21\uc815\ub41c \ubc31\ub798\uc2dc \uac12(\ub4f1\uae09 \uc801\ud569\uc131 \ud45c\uc2dc\ubfd0 \uc544\ub2c8\ub77c \uc2e4\uc81c \uac12)\uc744 \uc81c\uacf5\ud574\uc57c \ud569\ub2c8\ub2e4. \ud55c\uad6d \uc5d0\ubc84\ud30c\uc6cc\ub294 \ubaa8\ub4e0 EP-AFH \ubaa8\ub378\uacfc P0 \ubc0f P1 \ub4f1\uae09\uc758 EP-AB\/AF \ubaa8\ub378\uc5d0 \ub300\ud574 \uc774 \uac12\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. \uc704\uce58 \uacb0\uc815\uc5d0 \uc911\uc694\ud55c \uad6c\ub3d9\ucd95\uc758 IQ \ubb38\uc11c\ud654\uc5d0 \ud544\uc218\uc801\uc785\ub2c8\ub2e4.<\/p>\n<\/div>\n
\n
\u2463 RoHS \ubc0f REACH \uc900\uc218 \uc120\uc5b8<\/div>\n
\uae30\uc5b4\ubc15\uc2a4\uc5d0 EU RoHS 2(2011\/65\/EU \uac1c\uc815\ud310) \ubc0f REACH(EC 1907\/2006) SVHC \ubaa9\ub85d\uc5d0 \uae08\uc9c0\ub41c \ubb3c\uc9c8\uc774 \ud3ec\ud568\ub418\uc5b4 \uc788\uc9c0 \uc54a\uc74c\uc744 \uc11c\uba74\uc73c\ub85c \ud655\uc778\ud558\ub294 \uc11c\ub958\uc785\ub2c8\ub2e4. \ub2e4\uad6d\uc801 \ubc18\ub3c4\uccb4 \uc81c\uc870 \uc5c5\uccb4\uc5d0 \ud310\ub9e4\ub418\ub294 \uc7a5\ube44\uc5d0 \ud544\uc218\uc801\uc73c\ub85c \uc694\uad6c\ub418\ub294 \uc11c\ub958\uc785\ub2c8\ub2e4. \ud55c\uad6d \uc5d0\ubc84\ud30c\uc6cc\ub294 \ud074\ub9b0\ub8f8 \uc8fc\ubb38 \uc2dc \uc774 \uc11c\ub958\ub97c \ud45c\uc900\uc73c\ub85c \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n<\/div>\n
\n
\u2464 \uce58\uc218 \ub3c4\uba74 (PDF, \ud55c\uad6d\uc5b4 + \uc601\uc5b4)<\/div>\n
\uc124\uce58 \uc801\uaca9\uc131 \ud3c9\uac00\ub97c \uc704\ud55c \uacf5\ucc28 \ud3ec\ud568 \uc804\uccb4 \uce58\uc218 \ub3c4\uba74. IQ\/OQ \ud504\ub85c\ud1a0\ucf5c \ubb38\uc11c \uc791\uc131\uc5d0 \ud544\uc218\uc801\uc785\ub2c8\ub2e4. \ud55c\uad6d \uc5d0\ubc84\ud30c\uc6cc\ub294 \ubaa8\ub4e0 EP \uc2dc\ub9ac\uc988 \ubaa8\ub378\uc5d0 \ub300\ud574 \uc8fc\ubb38 \uc811\uc218 \ud6c4 3\uc601\uc5c5\uc77c \uc774\ub0b4\uc5d0 \uc774 \ub3c4\uba74\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n<\/div>\n
\n
\u2465 \ub9e4\uce6d \ud398\uc5b4 \ube44\uc728 \uc778\uc99d\uc11c (AGV \uc804\uc6a9)<\/div>\n
\ucc28\ub3d9 \uad6c\ub3d9 \ubc29\uc2dd\uc758 FOUP AGV\uc758 \uacbd\uc6b0, \ub450 \uad6c\ub3d9 \ud720 \uae30\uc5b4\ubc15\uc2a4 \uac04\uc758 \uae30\uc5b4\ube44 \ucc28\uc774\uac00 \u22640.01%\uc784\uc744 \ud655\uc778\ud558\ub294 \uae30\uc5b4\ube44 \ubcc0\ub3d9 \uc778\uc99d\uc11c\uac00 \ud544\uc694\ud569\ub2c8\ub2e4. \ud55c\uad6d \uc5d0\ubc84\ud30c\uc6cc\ub294 \ub9e4\uce6d \ud398\uc5b4 AGV \uc8fc\ubb38 \uc2dc \uc774 \uc778\uc99d\uc11c\ub97c \uae30\ubcf8 \uc635\uc158\uc73c\ub85c \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n<\/div>\n<\/div>\n
\ud55c\uad6d \ubc18\ub3c4\uccb4 \uc81c\uc870 \uc124\ube44 \ud504\ub85c\uc81d\ud2b8\uc758 \uc870\ub2ec \uc2dc\uae30: <\/strong>
\n\uc0bc\uc131\uacfc SK\ud558\uc774\ub2c9\uc2a4\uc758 \uc7a5\ube44 \uc778\uc99d \uc8fc\uae30\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \uc7a5\ube44 \uc124\uacc4 \ud655\uc815\ubd80\ud130 \uacf5\uc7a5 \ucd9c\ud558 \uc2b9\uc778\uae4c\uc9c0 6~12\uac1c\uc6d4\uc774 \uc18c\uc694\ub429\ub2c8\ub2e4. \uae30\uc5b4\ubc15\uc2a4 \uad00\ub828 \ubb38\uc11c \ud328\ud0a4\uc9c0\ub294 IQ \ub2e8\uacc4, \uc989 \uc778\uc99d \uc8fc\uae30 \uc2dc\uc791 \ud6c4 4~6\uac1c\uc6d4 \uc2dc\uc810\uc5d0 \ud544\uc694\ud569\ub2c8\ub2e4. \ud074\ub9b0\ub8f8\uc6a9 \uae30\uc5b4\ubc15\uc2a4(PFPE + FFKM, \ub0a9\uae30 2~4\uc8fc)\uc758 \uacbd\uc6b0, IQ \ubb38\uc11c \uc81c\ucd9c \uc694\uad6c \uc2dc\uc810\uc73c\ub85c\ubd80\ud130 \ub2a6\uc5b4\ub3c4 10\uc8fc \uc804\uc5d0\ub294 \uc8fc\ubb38\uc744 \uc644\ub8cc\ud574\uc57c \ud569\ub2c8\ub2e4. \ud2b9\uc815 \uacf5\uc7a5 \uad6c\uc5ed \ubc0f \ud074\ub9b0\ub8f8 \ub4f1\uae09\uc5d0 \ub9de\ub294 \ubb38\uc11c\uc758 \uac00\uc6a9\uc131\uacfc \ub0a9\uae30\ub97c \ud655\uc778\ud558\ub824\uba74 \uad6c\ub9e4 \ub2e8\uacc4\uac00 \uc544\ub2cc \uc124\uacc4 \ub2e8\uacc4\uc5d0\uc11c \ud55c\uad6d\uc5d0\ubc84\ud30c\uc6cc\uc5d0 \ubb38\uc758\ud558\uc2ed\uc2dc\uc624.<\/span><\/div>\n<\/section>\n<\/p>\n\n\uac00\uc2a4 \ubc29\ucd9c \uc608\uc0b0 \uacc4\uc0b0 - \ud45c\uc900 \uadf8\ub9ac\uc2a4 \ub610\ub294 PFPE \uadf8\ub9ac\uc2a4 \uc911 \uc5b4\ub5a4 \uac83\uc774 \ud544\uc694\ud55c\uc9c0 \ud310\ub2e8\ud558\ub294 \ubc29\ubc95<\/h2>\n
\ud45c\uc900 \ubc00\ubd09 \uadf8\ub9ac\uc2a4\uc640 PFPE \ud074\ub9b0\ub8f8 \uc724\ud65c\uc720 \uc911 \uc5b4\ub5a4 \uac83\uc744 \uc120\ud0dd\ud560\uc9c0\ub294 \uae30\uc5b4\ubc15\uc2a4\uac00 \ud074\ub9b0\ub8f8 \uacf5\uae30\uc5d0 \ubc29\ucd9c\ud558\ub294 \uac00\uc2a4\ub7c9\uacfc \ub178\ucd9c\ub41c \uc6e8\uc774\ud37c \ud45c\uba74\uacfc\uc758 \uadfc\uc811\uc131\uc5d0 \ub530\ub77c \uacb0\uc815\ub429\ub2c8\ub2e4. \ub2e4\uc74c \uacc4\uc0b0 \ubc29\uc2dd\uc744 \ud1b5\ud574 \ud55c\uad6d \uc7a5\ube44 \uacf5\uae09\uc5c5\uccb4\ub294 \ubd88\ud544\uc694\ud55c \ube44\uc6a9 \uc99d\uac00\ub97c \ucd08\ub798\ud560 \uc218 \uc788\ub294 \ubcf4\uc218\uc801\uc778 \uae30\ubcf8\uac12 \ub300\uc2e0 \uc815\ub7c9\uc801\uc73c\ub85c \uacb0\uc815\uc744 \ub0b4\ub9b4 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n
\n
\uac00\uc2a4 \ubc29\ucd9c \uc624\uc5fc \uc608\uc0b0 - \ub2e8\uc21c\ud654 \ubaa8\ub378<\/p>\n
\ub2e8\uc77c \uae30\uc5b4\ubc15\uc2a4\uc5d0\uc11c \uc6e8\uc774\ud37c D\uc5d0 \ub300\ud55c \uc99d\ucc29 \uc18d\ub3c4(ng\/cm\u00b2\/hr):<\/p>\n
D \u2248 P_vap \u00d7 M_grease \u00d7 k_geom \/ (R \u00d7 T)<\/p>\n
\uc5b4\ub514:
\nP_vap = 20\u00b0C\uc5d0\uc11c\uc758 \uc724\ud65c\uc720 \uae30\uc720\uc758 \uc99d\uae30\uc555 (Pa)
\nM_grease = \ub178\ucd9c\ub41c \uadf8\ub9ac\uc2a4 \ud45c\uba74\uc801(cm\u00b2)
\nk_geom = \uae30\ud558\ud559\uc801 \uc778\uc790 (\uac70\ub9ac\uc640 \uac01\ub3c4\uc5d0 \ub530\ub77c \ub2ec\ub77c\uc9c0\uba70, \uc57d 10\u207b\u2075 ~ 10\u207b\u00b3)
\nR, T = \uae30\uccb4 \uc0c1\uc218, \uc628\ub3c4<\/p>\n
\ubbf8\ub124\ub784 \uc624\uc77c PAO(\ud45c\uc900): P_vap \u2248 10\u207b\u00b3 Pa
\n\u2192 D \u2252 300mm \uac70\ub9ac\uc5d0\uc11c 0.05\u20130.5 ng\/cm\u00b2\/hr
\n\u2192 24\uc2dc\uac04 \uc774\uc0c1 \uacbd\uacfc \ud6c4: \uc6e8\uc774\ud37c \uc0c1\uc5d0 1.2\u201312 ng\/cm\u00b2 \ucd95\uc801 \u2190 ISO 5 \uae30\uc900 \ubbf8\ub2ec<\/p>\n
PFPE(\ud074\ub9b0\ub8f8 \ub4f1\uae09): P_vap \u2248 10\u207b\u00b9\u2070 Pa
\n\u2192 D < 10\u207b\u2077 ng\/cm\u00b2\/hr \u2014 7\ubc30 \ub354 \ub0ae\uc74c
\n\u2192 \ud45c\uc900 \ubd84\uc11d \ubc29\ubc95\uc73c\ub85c\ub294 \uce21\uc815\ud560 \uc218 \uc5c6\uc74c \u2713<\/p><\/div>\n<\/div>\n
\uc774 \uacc4\uc0b0 \uacb0\uacfc\ub294 \ub178\ucd9c\ub41c \uc6e8\uc774\ud37c\uac00 \uc2dc\uc57c\uc5d0 \ub4e4\uc5b4\uc624\ub294 \ubaa8\ub4e0 \uae30\uc5b4\ubc15\uc2a4\uc5d0 PFPE \uadf8\ub9ac\uc2a4\ub97c \uc0ac\uc6a9\ud558\ub294 \uac83\uc774 \ub2e8\uc21c\ud788 \uc120\ud638 \uc0ac\ud56d\uc774 \uc544\ub2c8\ub77c \ud544\uc218 \uc0ac\ud56d\uc778 \uc774\uc720\ub97c \ubcf4\uc5ec\uc90d\ub2c8\ub2e4. \uc77c\ubc18 \uadf8\ub9ac\uc2a4\uc758 \uc99d\uae30\uc555\uc740 PFPE\ubcf4\ub2e4 7\ubc30\ub098 \ub192\uc2b5\ub2c8\ub2e4. \uc5b4\ub5a4 \uae30\ud558\ud559\uc801 \uc694\uc18c\ub098 \uac70\ub9ac \uc124\uc815\ub3c4 \uc774\ub7ec\ud55c \uadfc\ubcf8\uc801\uc778 \ucc28\uc774\ub97c \uc0c1\uc1c4\ud560 \uc218 \uc5c6\uc2b5\ub2c8\ub2e4. \uc6e8\uc774\ud37c\uac00 \ub300\uae30\uc5d0 \ub178\ucd9c\ub420 \uc218 \uc788\ub294 ISO 3~6 \ub4f1\uae09 \uad6c\uc5ed\uc758 \ubaa8\ub4e0 \uae30\uc5b4\ubc15\uc2a4\uc5d0\uc11c PFPE \uadf8\ub9ac\uc2a4\ub294 \uc120\ud0dd \uc0ac\ud56d\uc774 \uc544\ub2c8\ub77c \ud544\uc218 \uc694\uad6c \uc0ac\ud56d\uc785\ub2c8\ub2e4.<\/p>\n
<\/p>\n
\ubc18\ub3c4\uccb4 \uc124\ube44\uc5d0\uc11c \ud45c\uc900 \uc724\ud65c\uc720 \uc0ac\uc6a9\uc774 \ud5c8\uc6a9\ub418\ub294 \uacbd\uc6b0: <\/strong>
\n\uc6e8\uc774\ud37c\uac00 \uc804\ud600 \uc5c6\ub294 ISO Class 8 \uc774\ud558 \uad6c\uc5ed(\ud339 \uc9c0\uc6d0 \ud1b5\ub85c, \uc720\ud2f8\ub9ac\ud2f0\uc2e4, \uc7a5\ube44 \ud558\ubd80 \ubc14\ub2e5)\uc5d0 \uc124\uce58\ub41c \uae30\uc5b4\ubc15\uc2a4\ub294 PFPE \uc724\ud65c\uc720\uac00 \ud544\uc694\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uad6c\uc5ed\uc5d0\ub294 \ud45c\uc900 \uadf8\ub9ac\uc2a4\ub97c \uc0ac\uc6a9\ud558\ub294 \ud45c\uc900 EP-AB \ub610\ub294 EP-BPG \uc2dc\ub9ac\uc988\uac00 \uc801\ud569\ud558\uace0 \ube44\uc6a9 \ud6a8\uc728\uc801\uc778 \uc0ac\uc591\uc785\ub2c8\ub2e4. PFPE \ucd94\uac00 \ube44\uc6a9(\uc77c\ubc18\uc801\uc73c\ub85c \ub2e8\uc704\ub2f9 30~50% \ub354 \ub192\uc74c)\uc740 \uc6e8\uc774\ud37c \ub178\ucd9c \uac00\ub2a5\uc131\uc774 \uc788\ub294 \uad6c\uc5ed\uc5d0 \uc788\ub294 \uae30\uc5b4\ubc15\uc2a4\uc5d0\ub9cc \uc815\ub2f9\ud654\ub429\ub2c8\ub2e4. \uad6c\uc5ed\uacfc \uad00\uacc4\uc5c6\uc774 \ud339 \uc2dc\uc124 \ub0b4 \ubaa8\ub4e0 \uae30\uc5b4\ubc15\uc2a4\uc5d0 \ud074\ub9b0\ub8f8 \uc0ac\uc591\uc744 \uc801\uc6a9\ud558\ub294 \uac83\uc740 \uae30\ub2a5\uc801 \uc774\uc810 \uc5c6\uc774 \ubd88\ud544\uc694\ud558\uac8c BOM \ube44\uc6a9\uc744 \uc99d\uac00\uc2dc\ud0b5\ub2c8\ub2e4.<\/span><\/div>\n<\/section>\n<\/p>\n