{"id":7705,"date":"2026-03-04T03:57:11","date_gmt":"2026-03-04T03:57:11","guid":{"rendered":"https:\/\/weldomachining.com\/?p=7705"},"modified":"2026-03-04T03:57:13","modified_gmt":"2026-03-04T03:57:13","slug":"fr4-dielectric-constant","status":"publish","type":"post","link":"https:\/\/weldomachining.com\/ko\/fr4-dielectric-constant\/","title":{"rendered":"FR4 \uc720\uc804\uc728 \ubc0f \uc18c\uc7ac \ud2b9\uc131\uc5d0 \ub300\ud55c \uc0c1\uc138 \uc124\uba85"},"content":{"rendered":"

FR4\ub294 \uc6b0\uc218\ud55c \uae30\uacc4\uc801 \uac15\ub3c4, \uc548\uc815\uc801\uc778 \uc804\uae30\uc801 \uc131\ub2a5, \uc800\ub834\ud55c \ube44\uc6a9\uc73c\ub85c \uc778\ud574 \uac00\uc7a5 \ub110\ub9ac \uc0ac\uc6a9\ub418\ub294 PCB \uae30\ud310 \uc7ac\ub8cc \uc911 \ud558\ub098\uc785\ub2c8\ub2e4. PCB \uc124\uacc4\uc5d0\uc11c FR4 \uc720\uc804\uc728(Dk)<\/strong> \uc740 \uc2e0\ud638 \uc804\ud30c, \uc784\ud53c\ub358\uc2a4 \uc81c\uc5b4, \uc2e0\ud638 \ubb34\uacb0\uc131\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce58\ub294 \ud575\uc2ec \uc694\uc18c\uc785\ub2c8\ub2e4. \uc774 \uae00\uc5d0\uc11c\ub294 FR4\uc758 \uad6c\uc870, \uc804\uae30\uc801 \ud2b9\uc131, \uc751\uc6a9 \ubd84\uc57c \ubc0f \ub300\uccb4 \uc7ac\ub8cc\uc5d0 \ub300\ud574 \uc124\uba85\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

\"FR4
FR4 \uc720\uc804\uc728<\/figcaption><\/figure>\n\n\n\n

FR4 \uc7ac\ub8cc\ub780 \ubb34\uc5c7\uc778\uac00<\/h2>\n\n\n\n

FR4 <\/a>\ub294 \uc720\ub9ac \uc12c\uc720 \uac15\ud654 \uc5d0\ud3ed\uc2dc \uc801\uce35\ud310(Glass Fiber Reinforced Epoxy Laminate)\uc73c\ub85c, NEMA \ud45c\uc900<\/a>. \uc758 \ub09c\uc5f0\uc131 \uc7ac\ub8cc \ubd84\ub958\uc5d0 \uc18d\ud569\ub2c8\ub2e4. \uc774 \uba85\uce6d\uc5d0\uc11c, FR<\/strong> \ub294 \ub09c\uc5f0\uc131(Flame Retardant)\uc744 \uc758\ubbf8\ud558\uba70, 4<\/strong> \ub294 NEMA \ubd84\ub958\uc5d0\uc11c \uc7ac\ub8cc \ub4f1\uae09 \ubc88\ud638\ub97c \ub098\ud0c0\ub0c5\ub2c8\ub2e4. FR4\ub294 \uc8fc\ub85c \uc720\ub9ac \uc12c\uc720 \ucc9c, \uc5d0\ud3ed\uc2dc \uc218\uc9c0, \ub3d9\ubc15\uce35\uc73c\ub85c \uad6c\uc131\ub429\ub2c8\ub2e4:<\/p>\n\n\n\n

\uc720\ub9ac \uc12c\uc720\ub294 \uae30\uacc4\uc801 \uac15\ub3c4\uc640 \uad6c\uc870\uc801 \uc548\uc815\uc131\uc744 \uc81c\uacf5\ud558\uace0, \uc5d0\ud3ed\uc2dc \uc218\uc9c0\ub294 \uc811\ucc29\ub825\uacfc \uc804\uae30 \uc808\uc5f0\uc131\uc744 \uc81c\uacf5\ud558\uba70, \ub3d9\ubc15\uc740 \ub3c4\uc804 \ud68c\ub85c\uce35\uc744 \ud615\uc131\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

\uc774 \ubcf5\ud569 \uad6c\uc870\ub294 FR4\uc5d0 \ube44\uad50\uc801 \ub192\uc740 \uae30\uacc4\uc801 \uac15\ub3c4, \uc6b0\uc218\ud55c \uc804\uae30 \uc808\uc5f0 \uc131\ub2a5, \uc548\uc815\uc801\uc778 \uc5f4\uc801 \ud2b9\uc131\uc744 \ubd80\uc5ec\ud569\ub2c8\ub2e4. \ub610\ud55c \uc81c\uc870 \uacf5\uc815\uc774 \uc131\uc219\ud558\uace0 \ube44\uc6a9\uc774 \ube44\uad50\uc801 \uc800\ub834\ud558\uc5ec \uc778\uc1c4 \ud68c\ub85c \uae30\ud310 \uc81c\uc870\uc5d0 \ub110\ub9ac \uc0ac\uc6a9\ub418\uba70 \uc804\uc790 \uc0b0\uc5c5\uc5d0\uc11c \uac00\uc7a5 \uc77c\ubc18\uc801\uc778 PCB \uae30\ud310 \uc7ac\ub8cc \uc911 \ud558\ub098\uac00 \ub418\uc5c8\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

\"FR4<\/figure>\n\n\n\n

FR4\uc758 \uc720\uc804\uc728\uc774\ub780 \ubb34\uc5c7\uc778\uac00<\/h2>\n\n\n\n

FR4\uc758 \uc720\uc804\uc728\uc740 \uc77c\ubc18\uc801\uc73c\ub85c 4.2 \u2013 4.8<\/strong>.<\/p>\n\n\n\n

\ub2e4\uc591\ud55c \uc8fc\ud30c\uc218\uc5d0\uc11c\uc758 \ub300\ud45c\uc801\uc778 \uac12\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n

\uc2e0\ud638 \uc8fc\ud30c\uc218<\/th>FR4 \uc720\uc804\uc728<\/th><\/tr><\/thead>
1 MHz<\/td>4.5<\/td><\/tr>
100 MHz<\/td>4.4<\/td><\/tr>
1 GHz<\/td>4.2 \u2013 4.5<\/td><\/tr>
10 GHz<\/td>4.0 \u2013 4.3<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

PCB \uc124\uacc4\uc5d0\uc11c \uc5d4\uc9c0\ub2c8\uc5b4\ub4e4\uc740 \uc77c\ubc18\uc801\uc73c\ub85c FR4\uc758 \uc720\uc804\uc728(Dk)\uc744 \uc57d 4.4<\/strong> \uacc4\uc0b0 \ubc0f \uc124\uacc4\uc758 \uae30\uc900\uac12\uc73c\ub85c \uc0ac\uc6a9\ud558\uba70, \uc774\ub294 \uc784\ud53c\ub358\uc2a4 \uc81c\uc5b4\uc640 \uc2e0\ud638 \uc804\ud30c \uc18d\ub3c4 \ucd94\uc815\uc5d0 \ud65c\uc6a9\ub429\ub2c8\ub2e4. \uc774 \uae30\uc900\uac12\uc740 \ub300\ubd80\ubd84\uc758 \uc77c\ubc18\uc801\uc778 \ud68c\ub85c \uc124\uacc4 \uc694\uad6c\ub97c \ucda9\uc871\ud560 \uc218 \uc788\uc73c\uba70, PCB \ubc30\uc120 \uc124\uacc4\uc640 \uc784\ud53c\ub358\uc2a4 \uacc4\uc0b0\uc5d0 \ub110\ub9ac \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n

\ud558\uc9c0\ub9cc FR4\uc758 \uc720\uc804\uc728\uc740 \uace0\uc815\ub41c \uac12\uc774 \uc544\ub2c8\ub77c\ub294 \uc810\uc5d0 \uc720\uc758\ud574\uc57c \ud569\ub2c8\ub2e4. \uc2e0\ud638 \uc8fc\ud30c\uc218, \uc18c\uc7ac \uc870\uc131, \uc720\ub9ac\uc12c\uc720\uc640 \uc218\uc9c0\uc758 \ube44\uc728, PCB \uc81c\uc870 \uacf5\uc815, \uc628\ub3c4 \ubcc0\ud654 \ub4f1 \ub2e4\uc591\ud55c \uc694\uc778\uc5d0 \ub530\ub77c \ub2ec\ub77c\uc9c8 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uace0\uc18d \ub610\ub294 \uace0\uc8fc\ud30c PCB \uc124\uacc4\uc5d0\uc11c\ub294 \uc774\ub7ec\ud55c \ubcc0\ud654\uac00 \uc2e0\ud638 \ubb34\uacb0\uc131, \uc784\ud53c\ub358\uc2a4 \ub9e4\uce6d, \uc804\uc1a1 \uc190\uc2e4 \ub4f1\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce60 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub530\ub77c\uc11c \uc5d4\uc9c0\ub2c8\uc5b4\ub4e4\uc740 \uc18c\uc7ac \uacf5\uae09\uc5c5\uccb4\uac00 \uc81c\uacf5\ud558\ub294 \uc0c1\uc138\ud55c \ud30c\ub77c\ubbf8\ud130 \ub370\uc774\ud130(\ub370\uc774\ud130\uc2dc\ud2b8)\ub97c \ucc38\uace0\ud558\uace0, \uc2dc\ubbac\ub808\uc774\uc158 \ub3c4\uad6c\uc640 \uacb0\ud569\ud558\uc5ec \ubcf4\ub2e4 \uc815\ud655\ud55c \uc124\uacc4\uc640 \ucd5c\uc801\ud654\ub97c \uc9c4\ud589\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

FR4\uc758 \uc8fc\uc694 \uc804\uae30\uc801 \ud2b9\uc131<\/h2>\n\n\n\n

\uc720\uc804\uc728 \uc678\uc5d0\ub3c4 FR4\uc5d0\ub294 PCB \uc2e0\ud638 \uc804\uc1a1 \uc131\ub2a5\uc5d0 \uc9c1\uc811 \uc601\ud5a5\uc744 \ubbf8\uce58\ub294 \uc5ec\ub7ec \uc8fc\uc694 \uc804\uae30\uc801 \ud30c\ub77c\ubbf8\ud130\uac00 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

\uc190\uc2e4 \uacc4\uc218(Df)<\/h3>\n\n\n\n

FR4\uc758 \uc190\uc2e4 \uacc4\uc218(Df)\ub294 \uc77c\ubc18\uc801\uc73c\ub85c 0.017\u20130.025<\/strong>. \ubc94\uc704\uc5d0 \uc788\uc2b5\ub2c8\ub2e4. \uc190\uc2e4 \uacc4\uc218\ub294 \uc18c\uc7ac\uac00 \uc804\uc790\uae30\uc7a5 \ub0b4\uc5d0\uc11c \uc783\ub294 \uc5d0\ub108\uc9c0\uc758 \uc591\uc744 \ubc18\uc601\ud569\ub2c8\ub2e4. \uac12\uc774 \ub192\uc744\uc218\ub85d \uc804\uc1a1 \uc911 \uc2e0\ud638 \uac10\uc1e0\uac00 \ucee4\uc9d1\ub2c8\ub2e4. \ub530\ub77c\uc11c FR4\ub294 \uc911\uc800\uc8fc\ud30c \ub514\uc9c0\ud138 \ud68c\ub85c\uc640 \uc77c\ubc18 \uc804\uc790 \uc7a5\ube44\uc5d0 \ub354 \uc801\ud569\ud558\uba70, \uace0\uc8fc\ud30c \ub610\ub294 RF \uc751\uc6a9\uc5d0\uc11c\ub294 \uc5d4\uc9c0\ub2c8\uc5b4\ub4e4\uc774 \uc2e0\ud638 \uac10\uc1e0\ub97c \uc904\uc774\uace0 \uc804\uc1a1 \uc131\ub2a5\uc744 \ud5a5\uc0c1\uc2dc\ud0a4\uae30 \uc704\ud574 \uc190\uc2e4\uc774 \ub354 \ub0ae\uc740 \uc18c\uc7ac\ub97c \uc120\ud0dd\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

\uc720\uc804 \uac15\ub3c4<\/h3>\n\n\n\n

FR4\uc758 \uc720\uc804 \uac15\ub3c4\ub294 \uc77c\ubc18\uc801\uc73c\ub85c 20 kV\/mm<\/strong>, \uc815\ub3c4\ub85c, \uc18c\uc7ac\uac00 \ub2e8\uc704 \ub450\uaed8\ub2f9 \ube44\uad50\uc801 \ub192\uc740 \uc804\uc555\uc744 \uc804\uae30\uc801 \ud30c\uad34 \uc5c6\uc774 \uacac\ub51c \uc218 \uc788\uc74c\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4. \ub192\uc740 \uc720\uc804 \uac15\ub3c4\ub294 FR4\uc5d0 \uc6b0\uc218\ud55c \uc804\uae30 \uc808\uc5f0 \uc2e0\ub8b0\uc131\uc744 \uc81c\uacf5\ud558\uba70, \uc548\uc815\uc801\uc778 \uc808\uc5f0 \uc131\ub2a5\uc774 \uc694\uad6c\ub418\ub294 \uc804\uc6d0 \ud68c\ub85c, \uc0b0\uc5c5 \uc81c\uc5b4 \uc7a5\ube44, \uace0\ubc00\ub3c4 \uc804\uc790 \ubd80\ud488\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

\uc808\uc5f0 \uc131\ub2a5<\/h3>\n\n\n\n

FR4\ub294 \ub6f0\uc5b4\ub09c \uc808\uc5f0 \ud2b9\uc131\uc744 \uac00\uc9c0\uace0 \uc788\uc73c\uba70, \uc8fc\ub85c \ub192\uc740 \uccb4\uc801 \uc800\ud56d, \ub192\uc740 \ud45c\uba74 \uc800\ud56d, \ub0ae\uc740 \ud761\uc218\uc728\ub85c \ub098\ud0c0\ub0a9\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ud2b9\uc131 \ub355\ubd84\uc5d0 \ub2e4\uc591\ud55c \ud658\uacbd \uc870\uac74\uc5d0\uc11c\ub3c4 \uc548\uc815\uc801\uc778 \uc804\uae30 \uc131\ub2a5\uc744 \uc720\uc9c0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc2b5\uae30\uac00 \ub9ce\uc740 \ud658\uacbd\uc774\ub098 \uc628\ub3c4 \ubcc0\ud654\uac00 \ud070 \uacf3\uc5d0\uc11c\ub3c4 FR4\ub294 \ub204\uc124 \ubc0f \uc804\uae30\uc801 \uace0\uc7a5\uc744 \ud6a8\uacfc\uc801\uc73c\ub85c \ubc29\uc9c0\ud558\uc5ec \uc804\uc790 \uc7a5\ube44\uc758 \uc2e0\ub8b0\uc131 \uc788\ub294 \uc791\ub3d9\uc744 \ubcf4\uc7a5\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

\uc5f4 \ubc0f \uae30\uacc4\uc801 \ud2b9\uc131<\/h2>\n\n\n\n

\uc548\uc815\uc801\uc778 \uc804\uae30\uc801 \ud2b9\uc131 \uc678\uc5d0\ub3c4 FR4\ub294 \uc6b0\uc218\ud55c \uc5f4 \uc548\uc815\uc131\uacfc \uae30\uacc4\uc801 \uac15\ub3c4\ub97c \uac00\uc9c0\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uc720\ub9ac\uc12c\uc720 \uac15\ud654 \uad6c\uc870\ub85c \uc778\ud574 \ub192\uc740 \uad6c\uc870\uc801 \uac15\ub3c4\uc640 \uce58\uc218 \uc548\uc815\uc131\uc744 \uc81c\uacf5\ud558\uc5ec PCB\uac00 \uc81c\uc870, \ub0a9\ub55c, \uc7a5\uae30\uac04 \uc0ac\uc6a9 \uc911\uc5d0\ub3c4 \ud615\ud0dc\ub97c \uc720\uc9c0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub610\ud55c FR4\ub294 \uc77c\uc815 \uc218\uc900\uc758 \ub0b4\uc5f4\uc131\uc744 \uac16\ucd94\uace0 \uc788\uc5b4 \uc804\uc790 \uc7a5\uce58 \uc791\ub3d9 \uc2dc \ubc1c\uc0dd\ud558\ub294 \uc5f4\uc744 \uacac\ub51c \uc218 \uc788\uc73c\uba70, \uc18c\ube44\uc790 \uc804\uc790\uc81c\ud488, \uc0b0\uc5c5 \uc7a5\ube44, \uc790\ub3d9\ucc28 \uc804\uc790\uc81c\ud488 \ub4f1\uc5d0 \ub110\ub9ac \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n

\uc720\ub9ac\uc804\uc774\uc628\ub3c4(Tg)<\/h3>\n\n\n\n

FR4\uc758 \uc720\ub9ac\uc804\uc774\uc628\ub3c4\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \ub2e4\uc74c\uacfc \uac19\uc740 \ubc94\uc8fc\ub85c \ub098\ub269\ub2c8\ub2e4:<\/p>\n\n\n\n

FR4 \uc720\ud615<\/th>Tg \uc628\ub3c4<\/th><\/tr><\/thead>
\ud45c\uc900 FR4<\/td>130\u00b0C<\/td><\/tr>
\uc911\uac04 Tg FR4<\/td>150\u00b0C<\/td><\/tr>
\uace0 Tg FR4<\/td>170\u00b0C<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\uace0 Tg FR4\ub294 \ub354 \ub192\uc740 \ub0a9\ub55c \uc628\ub3c4\ub97c \uacac\ub51c \uc218 \uc788\uc5b4 \ubb34\uc5f0 \ub0a9\ub55c PCB \ubc0f \uc790\ub3d9\ucc28 \uc804\uc790\uc81c\ud488\uc5d0 \uc77c\ubc18\uc801\uc73c\ub85c \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n

\uc5f4\ud33d\ucc3d\uacc4\uc218(CTE)<\/h3>\n\n\n\n

FR4\uc758 \uc5f4\ud33d\ucc3d\uacc4\uc218(CTE)\ub294 \ubc29\ud5a5\uc5d0 \ub530\ub77c \ub2e4\ub985\ub2c8\ub2e4. X\/Y \ud3c9\uba74\uc5d0\uc11c\ub294 \uc57d 11\u201315 ppm\/\u00b0C<\/strong>, \uc774\uace0, Z \ubc29\ud5a5\uc5d0\uc11c\ub294 \uc57d 50\u201370 ppm\/\u00b0C<\/strong>. CTE\ub294 \uc628\ub3c4 \ubcc0\ud654 \uc2dc PCB\uc758 \uce58\uc218 \uc548\uc815\uc131\uc744 \ud3c9\uac00\ud558\ub294 \uc911\uc694\ud55c \ub9e4\uac1c\ubcc0\uc218\uc785\ub2c8\ub2e4. \uc774\ub294 \ub0a9\ub55c \uc811\ud569\ubd80\uc758 \uc2e0\ub8b0\uc131, \ub2e4\uce35 PCB \uad6c\uc870\uc758 \uc548\uc815\uc131, \uadf8\ub9ac\uace0 \uc5f4 \uc0ac\uc774\ud074\ub9c1\uc5d0\uc11c\uc758 \uc81c\ud488 \uc218\uba85\uc5d0 \uc9c1\uc811\uc801\uc778 \uc601\ud5a5\uc744 \ubbf8\uce69\ub2c8\ub2e4. CTE\uac00 \uc804\uc790 \ubd80\ud488 \uc18c\uc7ac\uc640 \ud06c\uac8c \ub2e4\ub97c \uacbd\uc6b0 \ubc18\ubcf5\uc801\uc778 \uac00\uc5f4\uacfc \ub0c9\uac01 \uacfc\uc815\uc5d0\uc11c \uc2a4\ud2b8\ub808\uc2a4\uac00 \ubc1c\uc0dd\ud558\uc5ec PCB\uc758 \uc2e0\ub8b0\uc131\uc5d0 \uc601\ud5a5\uc744 \uc904 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

\uae30\uacc4\uc801 \uac15\ub3c4<\/h3>\n\n\n\n

FR4\ub294 \ube44\uad50\uc801 \ub192\uc740 \uae30\uacc4\uc801 \uac15\ub3c4\uc640 \uc6b0\uc218\ud55c \uad6c\uc870\uc801 \uc548\uc815\uc131\uc744 \uac00\uc9c0\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uc778\uc7a5 \uac15\ub3c4\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \uc57d 300\u2013400 MPa<\/strong>, \uc774\uace0, \uad7d\ud798 \uac15\ub3c4\ub294 \uc57d 400 MPa<\/strong>, \uc774\uba70, \uc18c\uc7ac\uc758 \ubc00\ub3c4\ub294 \uc57d 1.85 g\/cm\u00b3<\/strong>. \uc785\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ud2b9\uc131 \ub355\ubd84\uc5d0 FR4\ub294 \ubcf5\uc7a1\ud55c \uc804\uc790 \uc7a5\ube44\uc640 \ub2e4\uce35 PCB \uad6c\uc870\uc5d0\uc11c \uc548\uc815\uc131\uc744 \uc720\uc9c0\ud560 \uc218 \uc788\uc73c\uba70, \uc81c\uc870, \uc870\ub9bd, \uc7a5\uae30 \uc6b4\uc6a9 \uacfc\uc815\uc5d0\uc11c \ubcc0\ud615\uc774\ub098 \uc190\uc0c1\uc5d0 \uac15\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

\uace0\uc18d PCB \uc124\uacc4\uc5d0\uc11c FR4\uc758 \uc5ed\ud560<\/h2>\n\n\n\n

\ub370\uc774\ud130 \ud1b5\uc2e0 \uc18d\ub3c4\uac00 \uacc4\uc18d \uc99d\uac00\ud568\uc5d0 \ub530\ub77c \uace0\uc18d PCB \uc124\uacc4\uc5d0\uc11c\ub294 \uae30\ud310 \uc18c\uc7ac\uc758 \uc804\uae30\uc801 \uc131\ub2a5\uc5d0 \ub300\ud55c \uc694\uad6c\uac00 \ub192\uc544\uc9c0\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uace0\uc18d \ud68c\ub85c\uc5d0\uc11c FR4\uc758 \uc18c\uc7ac \ud2b9\uc131\uc740 \uc2e0\ud638 \uc804\ud30c \uc18d\ub3c4, \uc784\ud53c\ub358\uc2a4 \uc81c\uc5b4, \uc2e0\ud638 \uac10\uc1e0, \uadf8\ub9ac\uace0 \ud06c\ub85c\uc2a4\ud1a0\ud06c \ubc0f \uc2e0\ud638 \ubc18\uc0ac\uc5d0 \uc9c1\uc811\uc801\uc778 \uc601\ud5a5\uc744 \ubbf8\uce69\ub2c8\ub2e4. PCB \uc124\uacc4\uac00 \ucd5c\uc801\ud654\ub418\uc9c0 \uc54a\uc73c\uba74 \uc2e0\ud638 \ubb34\uacb0\uc131 \ubb38\uc81c, \ud0c0\uc774\ubc0d \uc624\ub958, \uc804\uc790\uae30 \uac04\uc12d(EMI) \ub4f1\uc758 \ubb38\uc81c\uac00 \ubc1c\uc0dd\ud560 \uc218 \uc788\uc73c\uba70, \uc774\ub294 \ud68c\ub85c \uc2dc\uc2a4\ud15c\uc758 \uc548\uc815\uc131\uc5d0 \uc601\ud5a5\uc744 \uc904 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub530\ub77c\uc11c \uace0\uc18d \ud68c\ub85c \uc124\uacc4\uc5d0\uc11c\ub294 FR4\uc758 \uc804\uae30\uc801 \ub9e4\uac1c\ubcc0\uc218\uc640 \uc18c\uc7ac \ud2b9\uc131\uc744 \ucda9\ubd84\ud788 \uace0\ub824\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

FR4\uc640 \uc784\ud53c\ub358\uc2a4 \uc81c\uc5b4 \uc124\uacc4<\/h2>\n\n\n\n

\uace0\uc18d PCB \uc124\uacc4\uc5d0\uc11c \uc784\ud53c\ub358\uc2a4 \uc81c\uc5b4\ub294 \uc2e0\ud638 \ubb34\uacb0\uc131\uc744 \ud655\ubcf4\ud558\uae30 \uc704\ud55c \ud575\uc2ec \uae30\uc220 \uc911 \ud558\ub098\uc785\ub2c8\ub2e4. \uc804\uc1a1\uc120 \uc784\ud53c\ub358\uc2a4\ub294 \uc8fc\ub85c \uc720\uc804\uc728(Dk), PCB \uc720\uc804\uccb4 \ub450\uaed8(H), \ud2b8\ub808\uc774\uc2a4 \ud3ed(W), \uadf8\ub9ac\uace0 \uad6c\ub9ac \ub450\uaed8(T)<\/strong>. \uc640 \uac19\uc740 \ub9e4\uac1c\ubcc0\uc218\uc5d0 \ub530\ub77c \uacb0\uc815\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n

\uc2e0\ud638 \uc804\ud30c \uc18d\ub3c4\ub294 \ub2e4\uc74c \uacf5\uc2dd\uc73c\ub85c \ud45c\ud604\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4:<\/kbd><\/strong><\/p>\n\n\n\n

V = C \/ \u221aDk C<\/strong> \uc5ec\uae30\uc11c 4.4<\/strong>, \ub294 \ube5b\uc758 \uc18d\ub3c4\uc785\ub2c8\ub2e4. FR4\uc758 \uc720\uc804\uc728\uc740 \uc57d \uad11\uc18d\uc758 50%<\/strong>. \uc774\uac83\uc774 \ubc14\ub85c Altium Designer\ub098 Cadence\uc640 \uac19\uc740 PCB \uc124\uacc4 \uc18c\ud504\ud2b8\uc6e8\uc5b4\uac00 \uc784\ud53c\ub358\uc2a4 \uacc4\uc0b0 \ubc0f \uc2e0\ud638 \uc2dc\ubbac\ub808\uc774\uc158\uc744 \uc218\ud589\ud560 \ub54c \uc815\ud655\ud55c Dk \ud30c\ub77c\ubbf8\ud130\ub97c \uc0ac\uc6a9\ud574\uc57c \ud558\ub294 \uc774\uc720\uc774\uae30\ub3c4 \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

\"FR4<\/figure>\n\n\n\n

FR4\uc640 \ub300\uccb4 \uc18c\uc7ac \uac04\uc758 \ube44\uad50<\/h2>\n\n\n\n

\uc77c\ubd80 \uace0\uc8fc\ud30c, \uace0\uc18d \ub610\ub294 \uace0\uc628 \uc751\uc6a9 \ubd84\uc57c\uc5d0\uc11c\ub294 \uc5d4\uc9c0\ub2c8\uc5b4\ub4e4\uc774 FR4\ub97c \ub300\uccb4\ud558\uae30 \uc704\ud574 \ub2e4\ub978 PCB \uae30\ud310 \uc7ac\ub8cc\ub97c \uc120\ud0dd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc7ac\ub8cc\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \uc720\uc804\uc728\uc774 \ub0ae\uac70\ub098 \uc2e0\ud638 \uc190\uc2e4\uc774 \uc801\uc5b4 RF \ud1b5\uc2e0, \uace0\uc18d \ub370\uc774\ud130 \uc804\uc1a1 \ubc0f \ud2b9\uc218 \ud658\uacbd \ud68c\ub85c \uc124\uacc4\uc758 \uc694\uad6c\ub97c \ucda9\uc871\ud569\ub2c8\ub2e4. \ud1b5\uc2e0 \uae30\uc220\uacfc \uc804\uc790 \uc7a5\uce58\uc758 \uc131\ub2a5\uc774 \ud5a5\uc0c1\ub428\uc5d0 \ub530\ub77c \uc774\ub7ec\ud55c \uace0\uc131\ub2a5 PCB \uc7ac\ub8cc\ub294 \ud2b9\uc815 \uc751\uc6a9 \ubd84\uc57c\uc5d0\uc11c \uc810\uc810 \ub354 \uc77c\ubc18\uc801\uc73c\ub85c \uc0ac\uc6a9\ub418\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

\uc7ac\ub8cc<\/th>\uc720\uc804\uc728<\/th>\uc190\uc2e4<\/th>\uc751\uc6a9 \ubd84\uc57c<\/th><\/tr><\/thead>
FR4<\/td>4.2\u20134.8<\/td>\uc911\uac04<\/td>\ud45c\uc900 PCB<\/td><\/tr>
\ub85c\uc800\uc2a4<\/td>3.2\u20133.5<\/td>\ub0ae\uc74c<\/td>RF \ud1b5\uc2e0<\/td><\/tr>
PTFE<\/td>2.1<\/td>\ub9e4\uc6b0 \ub0ae\uc74c<\/td>\ub9c8\uc774\ud06c\ub85c\ud30c \ud68c\ub85c<\/td><\/tr>
\uba54\uadf8\ud2b8\ub860<\/td>3.3<\/td>\ub9e4\uc6b0 \ub0ae\uc74c<\/td>\uace0\uc18d \ud1b5\uc2e0<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\ub85c\uc800\uc2a4 \uace0\uc8fc\ud30c \uc7ac\ub8cc<\/h3>\n\n\n\n

\ub85c\uc800\uc2a4 <\/a>RF PCB\uc5d0\uc11c \uc77c\ubc18\uc801\uc73c\ub85c \uc0ac\uc6a9\ub418\ub294 \ub300\uccb4 \uc7ac\ub8cc\uc785\ub2c8\ub2e4. \uc720\uc804\uc728\uc740 \uc57d 3.2\u20133.5<\/strong> \uc774\uace0, \ube44\uad50\uc801 \ub0ae\uc740 \uc190\uc2e4 \uacc4\uc218\ub97c \uac00\uc9c0\uace0 \uc788\uc5b4 \uace0\uc8fc\ud30c \ud658\uacbd\uc5d0\uc11c \uc548\uc815\uc801\uc778 \uc131\ub2a5\uc744 \uc81c\uacf5\ud558\uba70 \uc2e0\ud638 \uac10\uc1e0 \ubc0f \uc804\uc1a1 \uc190\uc2e4\uc744 \ud6a8\uacfc\uc801\uc73c\ub85c \uc904\uc5ec\uc90d\ub2c8\ub2e4.<\/p>\n\n\n\n

\uc6b0\uc218\ud55c \uace0\uc8fc\ud30c \ud2b9\uc131\uc73c\ub85c \uc778\ud574 \ub85c\uc800\uc2a4 \uc7ac\ub8cc\ub294 5G \ud1b5\uc2e0 \uc7a5\ube44, \ub808\uc774\ub354 \uc2dc\uc2a4\ud15c \ubc0f \uc704\uc131 \ud1b5\uc2e0 \ud68c\ub85c<\/strong>. FR4\uc640 \ube44\uad50\ud588\uc744 \ub54c, \uace0\uc8fc\ud30c \uc548\uc815\uc131\uc774 \uc694\uad6c\ub418\ub294 RF \ud68c\ub85c \uc124\uacc4\uc5d0 \ub354 \uc801\ud569\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

PTFE(\ud3f4\ub9ac\ud14c\ud2b8\ub77c\ud50c\ub8e8\uc624\ub85c\uc5d0\ud2f8\ub80c) \uc18c\uc7ac<\/h3>\n\n\n\n

PTFE <\/a>(\ud14c\ud50c\ub860)\uc740 \uace0\uc131\ub2a5 \ub9c8\uc774\ud06c\ub85c\ud30c \ud68c\ub85c \uc18c\uc7ac\ub85c \uc57d 2.1\uc758 \ub0ae\uc740 \uc720\uc804\uc728\uacfc \ub9e4\uc6b0 \ub0ae\uc740 \uc190\uc2e4 \uacc4\uc218\ub97c \uac00\uc9c0\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/strong>, \uace0\uc8fc\ud30c \ubc0f \ub9c8\uc774\ud06c\ub85c\ud30c \uc751\uc6a9 \ubd84\uc57c\uc5d0\uc11c \ub9e4\uc6b0 \uc548\uc815\uc801\uc778 \uc2e0\ud638 \uc804\uc1a1 \uc131\ub2a5\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

\ub530\ub77c\uc11c \uc8fc\ub85c RF \ud68c\ub85c, \ub9c8\uc774\ud06c\ub85c\ud30c \ubaa8\ub4c8, \uc704\uc131 \ud1b5\uc2e0 \uc7a5\ube44<\/strong>. \uc5d0 \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \ud558\uc9c0\ub9cc PTFE \uc18c\uc7ac\ub294 \uc81c\uc870 \ube44\uc6a9\uc774 \ub192\uace0 \uac00\uacf5 \ub09c\uc774\ub3c4\uac00 \ud07d\ub2c8\ub2e4.<\/strong>, \uadf8\ub798\uc11c \uc8fc\ub85c \uace0\uae09 \ub610\ub294 \uace0\uc8fc\ud30c \uc751\uc6a9 \ubd84\uc57c\uc5d0\uc11c\ub9cc \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n

\ud3f4\ub9ac\uc774\ubbf8\ub4dc \uc18c\uc7ac<\/h3>\n\n\n\n

\ud3f4\ub9ac\uc774\ubbf8\ub4dc<\/a> \ub294 \uc8fc\ub85c \uace0\uc628 \ub610\ub294 \ud50c\ub809\uc2dc\ube14 \ud68c\ub85c<\/strong>, \uc5d0 \uc0ac\uc6a9\ub418\uba70, \ub192\uc740 \uc628\ub3c4\uc5d0\uc11c\ub3c4 \uc548\uc815\uc801\uc778 \uc804\uae30\uc801 \uc131\ub2a5\uc744 \uc720\uc9c0\ud558\uba74\uc11c \uc6b0\uc218\ud55c \ub0b4\uc5f4\uc131\uacfc \uae30\uacc4\uc801 \uc720\uc5f0\uc131\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. \uc77c\ubc18\uc801\uc73c\ub85c \ud50c\ub809\uc2dc\ube14 \uc778\uc1c4 \ud68c\ub85c \uae30\ud310(FPC), \ud56d\uacf5\uc6b0\uc8fc \uc804\uc790\uc81c\ud488, \uace0\uc628 \uc0b0\uc5c5\uc6a9 \uc804\uc790 \uc7a5\ube44<\/strong>. \uc5d0 \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \uad7d\ud798\uc774\ub098 \uace0\uc628\uc5d0\uc11c \uc791\ub3d9\uc774 \ud544\uc694\ud55c \uc81c\ud488\uc5d0\uc11c\ub294 \ud3f4\ub9ac\uc774\ubbf8\ub4dc\uac00 FR4\uc758 \uc911\uc694\ud55c \ub300\uccb4\uc7ac\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

\uace0\uc18d \ub514\uc9c0\ud138 PCB \uc18c\uc7ac(\uba54\uadf8\ud2b8\ub860 \/ \ub12c\ucf54)<\/h3>\n\n\n\n

\uba54\uadf8\ud2b8\ub860, \ub12c\ucf54\uc640 \uac19\uc740 \uc18c\uc7ac \uba54\uadf8\ud2b8\ub860, \ub12c\ucf54, \uadf8\ub9ac\uace0 \uc544\uc774\uc194\ub77c<\/strong> \ub294 \uace0\uc18d \ub514\uc9c0\ud138 \ud68c\ub85c\uc5d0 \ud2b9\ud654\ub41c PCB \uae30\ud310\uc785\ub2c8\ub2e4. \uc774\ub4e4\uc740 \ub354 \ub0ae\uc740 \uc720\uc804 \uc190\uc2e4\uacfc \ub354 \uc548\uc815\uc801\uc778 \uc720\uc804\uc728<\/strong>, \uc744 \uc81c\uacf5\ud558\uc5ec \uc2e0\ud638 \ubb34\uacb0\uc131\uc744 \ud5a5\uc0c1\uc2dc\ud0a4\uace0 \uace0\uc18d \uc2e0\ud638 \uc804\uc1a1\uc5d0\uc11c \uac10\uc1e0\ub97c \uc904\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

\uc774 \uc18c\uc7ac\ub4e4\uc740 \ub110\ub9ac \uc0ac\uc6a9\ub418\uace0 \uc788\uc2b5\ub2c8\ub2e4 \ub370\uc774\ud130 \uc13c\ud130 \uc11c\ubc84, \ub124\ud2b8\uc6cc\ud06c \uc7a5\ube44, \uace0\uc18d \ud1b5\uc2e0 \uc2dc\uc2a4\ud15c<\/strong>. \uc5d0\uc11c. PCIe\uc640 \uace0\uc18d \uc774\ub354\ub137\uacfc \uac19\uc740 \uace0\uc18d \uc778\ud130\ud398\uc774\uc2a4 \uae30\uc220\uc758 \ubc1c\uc804\uc73c\ub85c, \uace0\uae09 \uc804\uc790 \uc7a5\uce58\uc5d0\uc11c\uc758 \uc0ac\uc6a9\uc774 \uacc4\uc18d \uc99d\uac00\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

FR4\uc758 \ub113\uc740 \uc801\uc6a9\uc758 \uc8fc\uc694 \uc7a5\uc810\uc740 \uc800\ub834\ud55c \ube44\uc6a9, \uc131\uc219\ud55c \uc81c\uc870 \uacf5\uc815, \uc548\uc815\uc801\uc778 \uacf5\uae09<\/strong>, \uc785\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc774\uc720\ub85c \ub300\ubd80\ubd84\uc758 \uc804\uc790 \uc7a5\uce58\uac00 \uc5ec\uc804\ud788 FR4 \uc18c\uc7ac\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

FR4 \uc18c\uc7ac\uac00 \uc9c0\uc6d0\ud558\ub294 \uac00\uacf5 \ubc29\ubc95<\/h2>\n\n\n\n

FR4\ub294 \uc6b0\uc218\ud55c \uae30\uacc4\uc801 \uac15\ub3c4\uc640 \uc548\uc815\uc131\uc744 \uac00\uc9c0\uace0 \uc788\uc5b4 CNC \uac00\uacf5<\/a><\/strong>, \ubc00\ub9c1, \ub4dc\ub9b4\ub9c1, \uc2ac\ub86f\ud305, \uc724\uacfd \uc808\ub2e8\uacfc \uac19\uc740 \uc815\ubc00 \uc81c\uc870\uac00 \uac00\ub2a5\ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uacf5\uc815\uc740 PCB \uc81c\uc870\ubfd0\ub9cc \uc544\ub2c8\ub77c FR4 \uc808\uc5f0\ud310 \ubc0f \uc804\uc790 \uad6c\uc870 \ubd80\ud488 \uac00\uacf5\uc5d0\ub3c4 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n

PCB \uc81c\uc870\uc5d0\uc11c FR4\ub294 \uace0\uc815\ubc00 \ub4dc\ub9b4\ub9c1 \uacf5\uc815<\/strong> \uc744 \uc9c0\uc6d0\ud558\uba70, \uc774\ub97c \ud1b5\ud574 \uad00\ud1b5\ud640, \ube14\ub77c\uc778\ub4dc \ube44\uc544, \ub9e4\ubab0 \ube44\uc544<\/strong>. \uc640 \uac19\uc740 \uc5f0\uacb0 \uad6c\uc870\ub97c \ud615\uc131\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

\uae30\uacc4\uc801 \ub610\ub294 \ub808\uc774\uc800 \ub4dc\ub9b4\ub9c1\uacfc \uae08\uc18d\ud654\uac00 \uacb0\ud569\ub418\uc5b4 \uc11c\ub85c \ub2e4\ub978 \ud68c\ub85c\uce35 \uac04\uc758 \uc804\uae30\uc801 \uc5f0\uacb0\uc744 \uac00\ub2a5\ud558\uac8c \ud569\ub2c8\ub2e4. \ub2e4\uce35 PCB \uc801\uce35 \uacf5\uc815<\/strong>. \uc81c\uc870 \uacfc\uc815\uc5d0\uc11c FR4 \ud504\ub9ac\ud504\ub808\uadf8\uc640 \ub3d9\ubc15\uc774 \uace0\uc628\uacfc \uace0\uc555 \ud558\uc5d0\uc11c \uc801\uce35\ub418\uc5b4 \ub2e4\uce35 \ud68c\ub85c \uad6c\uc870\ub97c \ud615\uc131\ud558\uba70, \ubcf5\uc7a1\ud55c \uc804\uc790 \uae30\uae30\uc758 \uace0\ubc00\ub3c4 \ubc30\uc120 \uc694\uad6c\ub97c \ucda9\uc871\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

\ub610\ud55c, FR4 PCB \ud68c\ub85c \ud328\ud134\uc740 \uc77c\ubc18\uc801\uc73c\ub85c \ud654\ud559\uc801 \uc5d0\uce6d \uacf5\uc815<\/strong>, \uc744 \ud1b5\ud574 \ud615\uc131\ub418\uba70, \ubd88\ud544\uc694\ud55c \ub3d9\ubc15\uc744 \uc81c\uac70\ud558\uc5ec \ud544\uc694\ud55c \ud68c\ub85c \ud328\ud134\uc744 \ub9cc\ub4ed\ub2c8\ub2e4. \uc774\ub294 PCB \uc81c\uc870\uc758 \ud575\uc2ec \uacf5\uc815 \uc911 \ud558\ub098\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

\"\uc6f0\ub3c4
\uc6f0\ub3c4 \uac00\uacf5 \uc13c\ud130<\/figcaption><\/figure>\n\n\n\n

FR4 PCB\uc758 \uc77c\ubc18\uc801\uc778 \ud45c\uba74 \ub9c8\uac10 \ubc29\ubc95<\/h2>\n\n\n\n

PCB \uc81c\uc870\uac00 \uc644\ub8cc\ub41c \ud6c4, \ud45c\uba74 \ub9c8\uac10<\/strong> \uc774 \uc77c\ubc18\uc801\uc73c\ub85c \ud544\uc694\ud558\uba70, \uc774\ub294 \ub3d9\ubc15\uce35\uc744 \ubcf4\ud638\ud558\uace0 \uc194\ub354\ub9c1\uc131\uc744 \ud5a5\uc0c1\uc2dc\ud0a4\uae30 \uc704\ud568\uc785\ub2c8\ub2e4. HASL(\uc5f4\ud48d \uc194\ub354 \ub808\ubca8\ub9c1)<\/strong> \uc740 \uc804\ud1b5\uc801\uc778 \uacf5\uc815\uc73c\ub85c \ube44\uc6a9\uc774 \ube44\uad50\uc801 \uc800\ub834\ud558\uace0 \uc194\ub354\ub9c1\uc131\uc774 \uc6b0\uc218\ud558\uc9c0\ub9cc, \ud45c\uba74 \ud3c9\ud0c4\ub3c4\uac00 \uc0c1\ub300\uc801\uc73c\ub85c \ub0ae\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

ENIG(\ubb34\uc804\ud574 \ub2c8\ucf08 \uae08 \ub3c4\uae08)<\/strong> \uc740 \uc6b0\uc218\ud55c \ud45c\uba74 \ud3c9\ud0c4\ub3c4, \uac15\ud55c \uc0b0\ud654 \uc800\ud56d\uc131, \uc548\uc815\uc801\uc778 \uc194\ub354\ub9c1 \uc131\ub2a5<\/strong>, \uc744 \uc81c\uacf5\ud558\uc5ec \uace0\ubc00\ub3c4 PCB \ubc0f \uace0\uae09 \uc804\uc790 \uc81c\ud488<\/strong>.<\/p>\n\n\n\n

\uc5d0 \ub110\ub9ac \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/strong> OSP(\uc720\uae30 \uc194\ub354\ub9c1 \ubcf4\uc874\uc81c).<\/p>\n\n\n\n

\ub294 \uce5c\ud658\uacbd\uc801\uc774\uace0 \ube44\uc6a9\uc774 \uc800\ub834\ud558\uba70 \ud3c9\ud0c4\ub3c4\uac00 \uc6b0\uc218\ud55c \ud45c\uba74 \ucc98\ub9ac \ubc29\ubc95\uc774\uc9c0\ub9cc, \ubcf4\uad00 \uae30\uac04\uc774 \ube44\uad50\uc801 \uc9e7\uc2b5\ub2c8\ub2e4., \uce68\uc9c0 \uc740 \ubc0f \uce68\uc9c0 \uc8fc\uc11d<\/strong> \uacf5\uc815\uc740 FR4 PCB\uc5d0\uc11c\ub3c4 \uc77c\ubc18\uc801\uc73c\ub85c \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ub9c8\uac10 \ucc98\ub9ac\ub294 \uc6b0\uc218\ud55c \uc804\uae30 \uc804\ub3c4\uc131\uacfc \ub0a9\ub55c \uc131\ub2a5\uc744 \uc81c\uacf5\ud558\uba70 \uace0\uc18d \ub610\ub294 \ubbf8\uc138 \ud53c\uce58 \ud68c\ub85c \uc124\uacc4\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4<\/strong>.<\/p>\n\n\n\n

\"FR4<\/figure>\n\n\n\n

FR4 \uc18c\uc7ac\uc758 \uc77c\ubc18\uc801\uc778 \uc801\uc6a9 \uc0ac\ub840<\/h2>\n\n\n\n

FR4\ub294 \uc6b0\uc218\ud55c \uae30\uacc4\uc801 \uac15\ub3c4, \uc548\uc815\uc801\uc778 \uc804\uae30\uc801 \uc131\ub2a5, \uadf8\ub9ac\uace0 \ube44\uad50\uc801 \ub0ae\uc740 \uc81c\uc870 \ube44\uc6a9<\/strong>, \uc73c\ub85c \uc778\ud574 \uc18c\ube44\uc790 \uc804\uc790\uc81c\ud488\ubd80\ud130 \uc0b0\uc5c5 \uc7a5\ube44 \ubc0f \uc790\ub3d9\ucc28 \uc804\uc790 \uc2dc\uc2a4\ud15c\uae4c\uc9c0 \ub110\ub9ac \uc0ac\uc6a9\ub418\uba70, \uc804\uc790 \uc0b0\uc5c5\uc758 \ub300\ubd80\ubd84\uc758 \uc751\uc6a9 \ubd84\uc57c\ub97c \ud3ec\uad04\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

\uc18c\ube44\uc790 \uc804\uc790\uc81c\ud488<\/h3>\n\n\n\n

\uc18c\ube44\uc790 \uc804\uc790\uc81c\ud488\uc5d0\uc11c\ub294 FR4\uac00 \ud68c\ub85c \uae30\ud310\uc5d0 \uc77c\ubc18\uc801\uc73c\ub85c \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \uc2a4\ub9c8\ud2b8\ud3f0, \ub178\ud2b8\ubd81, \uc2a4\ub9c8\ud2b8 \ud648 \uae30\uae30<\/strong>. \uc774\ub7ec\ud55c \uc81c\ud488\ub4e4\uc740 \ube44\uc6a9\uc774 \uad00\ub9ac\ub418\uace0 \uc131\ub2a5\uc774 \uc548\uc815\uc801\uc778 PCB \uc18c\uc7ac\ub97c \ud544\uc694\ub85c \ud558\uba70, FR4\uac00 \uc774\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

\uc0b0\uc5c5\uc6a9 \uc804\uc790\uc81c\ud488<\/h3>\n\n\n\n

\uc0b0\uc5c5\uc6a9 \uc804\uc790 \uc7a5\ube44\uc5d0\uc11c\ub294 FR4\uac00 PLC \uc81c\uc5b4 \uc2dc\uc2a4\ud15c, \uc804\uc6d0 \ubaa8\ub4c8, \uc790\ub3d9\ud654 \uc7a5\ube44 \ud68c\ub85c \uae30\ud310<\/strong>. \uc5d0 \uc77c\ubc18\uc801\uc73c\ub85c \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \uc0b0\uc5c5 \uc7a5\ube44\ub294 \uc7a5\uae30\uac04 \uc548\uc815\uc801\uc778 \uc791\ub3d9\uc774 \uc694\uad6c\ub418\uba70, FR4\uc758 \uc6b0\uc218\ud55c \uc808\uc5f0\uc131\uacfc \uae30\uacc4\uc801 \uac15\ub3c4\ub294 \ubcf5\uc7a1\ud55c \uc0b0\uc5c5 \ud658\uacbd\uc5d0\uc11c \uc2e0\ub8b0\uc131\uc744 \ud655\ubcf4\ud558\ub294 \ub370 \ub3c4\uc6c0\uc774 \ub429\ub2c8\ub2e4.<\/p>\n\n\n\n

\uc790\ub3d9\ucc28 \uc804\uc790\uc81c\ud488<\/h3>\n\n\n\n

\uc790\ub3d9\ucc28 \uc804\uc790\uc81c\ud488\uc5d0\uc11c\ub294 FR4\uac00 ECU \uc81c\uc5b4 \uc2dc\uc2a4\ud15c, \ucc28\ub7c9\uc6a9 \uc778\ud3ec\ud14c\uc778\uba3c\ud2b8 \uc2dc\uc2a4\ud15c, ADAS \uc13c\uc11c \ubaa8\ub4c8<\/strong>. \uc5d0 \ub110\ub9ac \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \uc790\ub3d9\ucc28 \uc804\uc790\uc81c\ud488\uc774 \uacc4\uc18d \ud655\ub300\ub428\uc5d0 \ub530\ub77c \uc548\uc815\uc801\uc778 PCB \uc18c\uc7ac\uc5d0 \ub300\ud55c \uc218\uc694\uac00 \uc99d\uac00\ud558\uace0 \uc788\uc73c\uba70, FR4\ub294 \ube44\uc6a9\uacfc \uc131\ub2a5\uc758 \uade0\ud615\uc744 \uc798 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

\uc804\ubc18\uc801\uc73c\ub85c \ube44\uc6a9 \uacbd\uc7c1\ub825, \uc131\uc219\ud55c \uc81c\uc870 \uacf5\uc815, \uc548\uc815\uc801\uc778 \uc131\ub2a5<\/strong>, \uc73c\ub85c \uc778\ud574 FR4\ub294 PCB \uc0b0\uc5c5\uc5d0\uc11c \uac00\uc7a5 \ub110\ub9ac \uc0ac\uc6a9\ub418\ub294 \uae30\ud310 \uc18c\uc7ac\ub85c \ub0a8\uc544 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

\uc694\uc57d<\/h2>\n\n\n\n

FR4\ub294 \uc804\uc790 \uc81c\uc870 \uc0b0\uc5c5\uc5d0\uc11c \uac00\uc7a5 \ub110\ub9ac \uc0ac\uc6a9\ub418\ub294 PCB \uae30\ud310 \uc18c\uc7ac \uc911 \ud558\ub098\uc785\ub2c8\ub2e4. \uc720\uc804\uc728\uc740 \uc77c\ubc18\uc801\uc73c\ub85c 4.2\u20134.8<\/strong>, \ubc94\uc704\uc5d0 \uc788\uc73c\uba70, \uc6b0\uc218\ud55c \uae30\uacc4\uc801 \uac15\ub3c4, \uc804\uae30 \uc808\uc5f0 \uc131\ub2a5, \uc5f4\uc801 \uc548\uc815\uc131\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. \uace0\uc8fc\ud30c \uc751\uc6a9\uc5d0\uc11c \uc77c\ubd80 \uc2e0\ud638 \uc190\uc2e4\uc774 \ubc1c\uc0dd\ud560 \uc218 \uc788\uc9c0\ub9cc, FR4\ub294 \ub300\ubd80\ubd84\uc758 \uc804\uc790\uae30\uae30\uc5d0\uc11c \ube44\uc6a9\uacfc \uc131\ub2a5 \uba74\uc5d0\uc11c \uade0\ud615 \uc7a1\ud78c \uc18c\uc7ac \uc120\ud0dd\uc73c\ub85c \ub0a8\uc544 \uc788\uc2b5\ub2c8\ub2e4. \uace0\uc18d PCB \uc124\uacc4\uc5d0\uc11c\ub294 \uc5d4\uc9c0\ub2c8\uc5b4\uac00 \uc720\uc804\uc728 \ubcc0\ud654, \uc18c\uc7ac \uc190\uc2e4, \uc784\ud53c\ub358\uc2a4 \uc81c\uc5b4, \uc2e0\ud638 \ubb34\uacb0\uc131\uacfc \uac19\uc740 \uc694\uc18c\ub97c \uace0\ub824\ud558\uc5ec \uc548\uc815\uc801\uc778 \ud68c\ub85c \ub3d9\uc791\uc744 \ubcf4\uc7a5\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

FR4 \uc138\ubd80 \uc815\ubcf4 \ub610\ub294 \uac00\uacf5 \ube44\uc6a9 \uacac\uc801\uc744 \uc6d0\ud558\uc2dc\uba74 \ubb38\uc758\ud574 \uc8fc\uc138\uc694. \ubb38\uc758<\/a> \uc800\ud76c\uc640 \uc0c1\ub2f4\ud558\uc2e4 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>","protected":false},"excerpt":{"rendered":"

FR4 is one of the most widely used PCB substrate materials due to its good mechanical strength, stable electrical performance, and low cost. In PCB design, the FR4 dielectric constant (Dk) is a key factor affecting signal propagation, impedance control, and signal integrity. This article explains the structure, electrical properties, applications, and alternative materials of […]<\/p>\n","protected":false},"author":2,"featured_media":5394,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[],"class_list":["post-7705","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"_links":{"self":[{"href":"https:\/\/weldomachining.com\/ko\/wp-json\/wp\/v2\/posts\/7705","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/weldomachining.com\/ko\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/weldomachining.com\/ko\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/weldomachining.com\/ko\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/weldomachining.com\/ko\/wp-json\/wp\/v2\/comments?post=7705"}],"version-history":[{"count":1,"href":"https:\/\/weldomachining.com\/ko\/wp-json\/wp\/v2\/posts\/7705\/revisions"}],"predecessor-version":[{"id":7708,"href":"https:\/\/weldomachining.com\/ko\/wp-json\/wp\/v2\/posts\/7705\/revisions\/7708"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/weldomachining.com\/ko\/wp-json\/wp\/v2\/media\/5394"}],"wp:attachment":[{"href":"https:\/\/weldomachining.com\/ko\/wp-json\/wp\/v2\/media?parent=7705"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/weldomachining.com\/ko\/wp-json\/wp\/v2\/categories?post=7705"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/weldomachining.com\/ko\/wp-json\/wp\/v2\/tags?post=7705"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}