{"id":7918,"date":"2026-07-06T08:34:43","date_gmt":"2026-07-06T08:34:43","guid":{"rendered":"https:\/\/lead-pcb.com\/?p=7918"},"modified":"2026-09-20T03:00:38","modified_gmt":"2026-09-20T03:00:38","slug":"fr-4-material-properties","status":"publish","type":"post","link":"https:\/\/lead-pcb.com\/ko\/blog\/fr-4-material-properties\/","title":{"rendered":"PCB \ub77c\ubbf8\ub124\uc774\ud2b8 \uc120\ud0dd\uc744 \uc704\ud55c FR-4 \uc7ac\ub8cc \ud2b9\uc131"},"content":{"rendered":"<p class=\"wp-block-paragraph\">\uac00\uc7a5 \uc911\uc694\ud55c FR-4 \uc7ac\ub8cc \ud2b9\uc131\uc740 PCB\uac00 \uacac\ub38c\uc57c \ud558\ub294 \uc870\uac74\uc5d0 \ub530\ub77c \ub2ec\ub77c\uc9d1\ub2c8\ub2e4. \uc804\uae30 \uc2e0\ud638, \uc870\ub9bd \uc5f4, \uc791\ub3d9 \uc628\ub3c4, \uc804\uc555 \uc2a4\ud2b8\ub808\uc2a4, \uc2b5\uae30, \uae30\uacc4\uc801 \ud558\uc911 \ub4f1\uc744 \uace0\ub824\ud574\uc57c \ud569\ub2c8\ub2e4. \uc720\uc804\uc728\uacfc \uc190\uc2e4, \uc5f4\ud33d\ucc3d\uacfc \uc548\uc815\uc131, \uc808\uc5f0 \uc131\ub2a5, \uae30\uacc4\uc801 \uc694\uad6c\uc0ac\ud56d\ubd80\ud130 \ud655\uc778\ud558\uc138\uc694.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>FR-4\ub294 \ub09c\uc5f0\uc131 \uc720\ub9ac\uc12c\uc720 \uac15\ud654 \uc5d0\ud3ed\uc2dc \uc7ac\ub8cc\uc758 \ud55c \uc885\ub958\uc785\ub2c8\ub2e4. \ud2b9\uc815\ud55c \ud558\ub098\uc758 \ubc30\ud569\uc774\ub098 \uace0\uc815\ub41c \uc218\uce58 \ud2b9\uc131\uc744 \uac00\ub9ac\ud0a4\ub294 \uac83\uc740 \uc544\ub2d9\ub2c8\ub2e4.<\/strong> \uc81c\ud488\uba85\uc774 \uba85\uc2dc\ub41c \ub77c\ubbf8\ub124\uc774\ud2b8\ub97c \uc120\ud0dd\ud558\uace0, \uc124\uacc4\uc640 \uad00\ub828\ub41c \uc870\uac74\uc5d0\uc11c \ud574\ub2f9 \uc81c\ud488\uc758 \ub370\uc774\ud130\ub97c \ud3c9\uac00\ud558\uc138\uc694.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774 \uac00\uc774\ub4dc\uc5d0\uc11c\ub294 \uc774\ub7ec\ud55c \ud2b9\uc131\uc744 \ud574\uc11d\ud558\uace0, \ud6c4\ubcf4 \uad6c\uc870\ub97c \ube44\uad50\ud558\uba70, \uc5d4\uc9c0\ub2c8\uc5b4\ub9c1\uacfc \uad6c\ub9e4 \ubd80\uc11c \ubaa8\ub450\uac00 \ud65c\uc6a9\ud560 \uc218 \uc788\ub294 \uc694\uad6c\uc0ac\ud56d\uc744 PCB \uacf5\uae09\uc5c5\uccb4\uc5d0 \uc804\ub2ec\ud558\ub294 \ubc29\ubc95\uc744 \uc124\uba85\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p class=\"wp-block-paragraph\"><strong>\ud575\uc2ec \uc694\uc810<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uc911\uc694\ud55c \uac12\uc758 \uadfc\uac70\uac00 \ub418\ub294 \ub77c\ubbf8\ub124\uc774\ud2b8 \uc81c\ud488, \uad6c\uc870, \uc8fc\ud30c\uc218, \uc628\ub3c4, \uc2dc\ud5d8 \ubc29\ubc95\uc744 \uae30\ub85d\ud558\uc138\uc694.<\/li>\n\n\n\n<li>Tg\ub294 \ubd84\ud574, \ud33d\ucc3d, \ubc15\ub9ac \ubc0f \uc7a5\uae30 \uc5f4 \ub370\uc774\ud130\uc640 \ud568\uaed8 \ud3c9\uac00\ud558\uc138\uc694.<\/li>\n\n\n\n<li>\uc2a4\ud0dd\uc5c5\uc744 \uac1c\ubc1c\ud560 \ub54c\ub294 \uad6c\uc870\ubcc4 \uc804\uae30 \ub370\uc774\ud130\ub97c \uc0ac\uc6a9\ud558\uc138\uc694. \uc77c\ubc18\uc801\uc778 FR-4 Dk \uac12\ub9cc\uc73c\ub85c\ub294 \uc81c\ud488 \ucd9c\uc2dc \uae30\uc900\uc744 \uc815\ud558\uae30\uc5d0 \ucda9\ubd84\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uc8fc\ubb38 \uc804\uc5d0 \ud569\uaca9 \uae30\uc900\uacfc \ub300\uccb4\ud488 \uc2b9\uc778 \uc808\ucc28\ub97c \uc815\ud558\uc138\uc694.<\/li>\n<\/ul>\n<\/div><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">\ud55c\ub208\uc5d0 \ubcf4\ub294 FR-4 \uc7ac\ub8cc \ud2b9\uc131<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\uac12, \ub2e8\uc704 \ubc0f \uc2dc\ud5d8 \uc870\uac74 \ucc38\uace0 \ud45c<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc544\ub798 \uc608\uc2dc\ub294 \uacf5\uac1c\ub41c <strong>Isola 370HR\uc758 \uc77c\ubc18\uc801\uc778 \uac12<\/strong>\uc774\uba70, \ubaa8\ub4e0 FR-4\uc5d0 \uc801\uc6a9\ub418\ub294 \ud55c\uacc4\uac12\uc774\ub098 \uad6c\ub9e4 \uc0ac\uc591\uc73c\ub85c \ubcf4\uc7a5\ub418\ub294 \uac12\uc774 \uc544\ub2d9\ub2c8\ub2e4. \uc2dc\ud5d8 \ubc29\ubc95\uc740 \ud574\ub2f9 \uc81c\ud488\uc758 <a href=\"https:\/\/www.isola-group.com\/wp-content\/uploads\/data-sheets\/370hr-laminate-prepreg.pdf\">370HR \ub370\uc774\ud130\uc2dc\ud2b8<\/a>.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1536\" height=\"1024\" src=\"https:\/\/lead-pcb.com\/wp-content\/uploads\/2026\/07\/fr-4-typical-material-properties-ipc-methods.webp\" alt=\"Infographic of FR-4 material properties overview including Tg, Td, Z-axis CTE, and dielectric constant tested under IPC standards\" class=\"wp-image-23593\" srcset=\"https:\/\/lead-pcb.com\/wp-content\/uploads\/2026\/07\/fr-4-typical-material-properties-ipc-methods.webp 1536w, https:\/\/lead-pcb.com\/wp-content\/uploads\/2026\/07\/fr-4-typical-material-properties-ipc-methods-300x200.webp 300w, https:\/\/lead-pcb.com\/wp-content\/uploads\/2026\/07\/fr-4-typical-material-properties-ipc-methods-1024x683.webp 1024w, https:\/\/lead-pcb.com\/wp-content\/uploads\/2026\/07\/fr-4-typical-material-properties-ipc-methods-768x512.webp 768w, https:\/\/lead-pcb.com\/wp-content\/uploads\/2026\/07\/fr-4-typical-material-properties-ipc-methods-18x12.webp 18w\" sizes=\"auto, (max-width: 1536px) 100vw, 1536px\" \/><figcaption class=\"wp-element-caption\"><em>\uc8fc\uc694 FR-4 \ubb3c\ub9ac\uc801\u00b7\uc804\uae30\uc801\u00b7\uc5f4\uc801 \ud2b9\uc131(Tg, Td, CTE, Dk\/Df)\uc744 \ud574\ub2f9 IPC-TM-650 \ubc0f ASTM \uc2dc\ud5d8 \ud45c\uc900\uacfc \uc5f0\uacb0\ud574 \uc815\ub9ac\ud55c \uac1c\uc694\uc785\ub2c8\ub2e4.<\/em><\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th>\ud2b9\uc131<\/th><th>\uc77c\ubc18\uc801\uc778 \uc608\uc2dc \uac12<\/th><th>\uc2dc\ud5d8 \ubc29\ubc95 \ub610\ub294 \uc870\uac74<\/th><th>\uc120\uc815 \uc2dc \uace0\ub824\uc0ac\ud56d<\/th><\/tr><tr><td>Tg<\/td><td>180\u00b0C<\/td><td>DSC; IPC-TM-650 2.4.25C<\/td><td>\uc720\ub9ac \uc804\uc774<\/td><\/tr><tr><td>Td<\/td><td>340\u00b0C<\/td><td>TGA, \uc9c8\ub7c9 \uc190\uc2e4 5%; 2.4.24.6<\/td><td>\ubd84\ud574<\/td><\/tr><tr><td>T260 \/ T288<\/td><td>60 \/ 30\ubd84<\/td><td>\uad6c\ub9ac \uc81c\uac70 \ud6c4 \uce21\uc815; TMA, 2.4.24.1<\/td><td>\ubc15\ub9ac<\/td><\/tr><tr><td>Z\ucd95 CTE<\/td><td>45 \/ 230 ppm\/\u00b0C<\/td><td>Tg \ubbf8\ub9cc \/ \ucd08\uacfc; 2.4.24C<\/td><td>\ub450\uaed8 \ubc29\ud5a5 \ud33d\ucc3d<\/td><\/tr><tr><td>Dk \/ Df<\/td><td>4.17 \/ 0.0161<\/td><td>1 GHz; 2.5.5.9<\/td><td>\uc804\uae30\uc801 \ubaa8\ub378\ub9c1<\/td><\/tr><tr><td>\uc5f4\uc804\ub3c4\uc728<\/td><td>0.4 W\/(m\u00b7K)<\/td><td>ASTM E1952; \ucd95 \ubbf8\uc9c0\uc815<\/td><td>\uc5f4 \ud750\ub984<\/td><\/tr><tr><td>\uc804\uae30 \uac15\ub3c4<\/td><td>54 kV\/mm<\/td><td>2.5.6.2A<\/td><td>\uc808\uc5f0 \uc131\ub2a5 \uc120\ubcc4 \ud3c9\uac00<\/td><\/tr><tr><td>\ud761\uc2b5\ub960<\/td><td>0.15%<\/td><td>2.6.2.1A<\/td><td>\uc218\ubd84 \ubc18\uc751<\/td><\/tr><tr><td>\uad74\uace1 \uac15\ub3c4<\/td><td>620 \/ 531 MPa<\/td><td>\uae38\uc774 \ubc29\ud5a5 \/ \ud6a1\ubc29\ud5a5; 2.4.4B<\/td><td>\uae30\uacc4\uc801 \uac15\ub3c4<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Dk\uc640 Df\ub294 \ubb34\ucc28\uc6d0 \uac12\uc785\ub2c8\ub2e4. \ubc29\ud5a5\uc774 \uba85\uc2dc\ub418\uc9c0 \uc54a\uc740 \uac12\uc740 \uc2dc\ubbac\ub808\uc774\uc158\uc758 \ubaa8\ub4e0 \ucd95\uc5d0 \uc801\uc6a9\ud574\uc11c\ub294 \uc548 \ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\uc77c\ubc18\uc801\uc778 \ub370\uc774\ud130\uc2dc\ud2b8 \uac12\uacfc \uad6c\ub9e4 \uc694\uad6c\uc0ac\ud56d \ube44\uad50<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc77c\ubc18\uac12\uc740 \ubcf4\uace0\ub41c \uc7ac\ub8cc \uc131\ub2a5\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \uad6c\ub9e4 \uc694\uad6c\uc0ac\ud56d\uc740 \ubb34\uc5c7\uc744 \ud569\uaca9 \ub610\ub294 \ubd88\ud569\uaca9\uc73c\ub85c \ud310\uc815\ud560\uc9c0 \uc815\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc911\uc694\ud55c \ud2b9\uc131\uc740 \ud55c\uacc4\uac12, \uc2dc\ud5d8 \ubc29\ubc95, \uc804\ucc98\ub9ac \uc870\uac74 \ubc0f \ud544\uc694\ud55c \uc99d\ube59\uc5d0 \ud569\uc758\ud558\uc138\uc694. \uc801\ud569\uc131\uc744 \uc7ac\ub8cc \uc778\uc99d, \uc778\uc99d\uc11c \ub610\ub294 \uc9c0\uc815\ub41c \uc2dc\ud5d8 \uc911 \uc5b4\ub5a4 \ubc29\uc2dd\uc73c\ub85c \uc785\uc99d\ud558\ub294\uc9c0 \ud655\uc778\ud558\uc138\uc694. \ub370\uc774\ud130\uc2dc\ud2b8\uc758 \ubaa8\ub4e0 \ud56d\ubaa9\uc774 \ub0a9\ud488\ub418\ub294 \ubaa8\ub4e0 PCB\uc5d0 \ub300\ud574 \uce21\uc815\ub41c\ub2e4\uace0 \uac00\uc815\ud558\uc9c0 \ub9c8\uc138\uc694.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub9c8\ucc2c\uac00\uc9c0\ub85c, \uc77c\ubc18\uac12\uc744 \ub3c4\uba74\uc5d0 \uadf8\ub300\ub85c \uc62e\uae34\ub2e4\ub294 \uc774\uc720\ub9cc\uc73c\ub85c \ucd5c\uc19f\uac12\uc73c\ub85c \ubc14\uafb8\uc9c0 \ub9c8\uc138\uc694. \uc81c\uc548\ud55c \ud569\uaca9 \uc694\uad6c\uc0ac\ud56d\uc744 \uacf5\uae09\uc5c5\uccb4\uac00 \ucda9\uc871\ud560 \uc218 \uc788\ub294\uc9c0 \ud655\uc778\ud558\uc138\uc694.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">FR-4\uc5d0 \uace0\uc815\ub41c \ub2e8\uc77c \ubb3c\uc131\uac12 \uc138\ud2b8\uac00 \uc5c6\ub294 \uc774\uc720<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\uc218\uc9c0 \uc2dc\uc2a4\ud15c, \uc720\ub9ac \ubcf4\uac15\uc7ac, \ucf54\uc5b4 \ubc0f \ud504\ub9ac\ud504\ub808\uadf8<\/h3>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"750\" src=\"https:\/\/lead-pcb.com\/wp-content\/uploads\/2026\/07\/fr-4-material-cross-section-xyz-axes.webp\" alt=\"Microscopic cross-section of FR-4 laminate showing woven glass yarn, cured epoxy resin, copper foil, and X Y Z coordinate axes\" class=\"wp-image-23592\" srcset=\"https:\/\/lead-pcb.com\/wp-content\/uploads\/2026\/07\/fr-4-material-cross-section-xyz-axes.webp 1000w, https:\/\/lead-pcb.com\/wp-content\/uploads\/2026\/07\/fr-4-material-cross-section-xyz-axes-300x225.webp 300w, https:\/\/lead-pcb.com\/wp-content\/uploads\/2026\/07\/fr-4-material-cross-section-xyz-axes-768x576.webp 768w, https:\/\/lead-pcb.com\/wp-content\/uploads\/2026\/07\/fr-4-material-cross-section-xyz-axes-16x12.webp 16w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">FR-4\ub294 \uc9c1\uc870 \uc720\ub9ac \ubcf4\uac15\uc7ac\uc640 \uc5d0\ud3ed\uc2dc \uae30\ubc18 \uc218\uc9c0 \uc2dc\uc2a4\ud15c\uc744 \uacb0\ud569\ud55c \uc7ac\ub8cc\uc785\ub2c8\ub2e4. \uc218\uc9c0 \ubc30\ud569, \uc720\ub9ac \uc9c1\ubb3c \uc885\ub958, \uc218\uc9c0\uc640 \uc720\ub9ac\uc758 \ube44\uc728\uc740 \ucd5c\uc885 \uc7ac\ub8cc\uc5d0 \uc601\ud5a5\uc744 \uc90d\ub2c8\ub2e4. \ub3d9\ubc15\uc740 \ub3d9\ubc15 \uc801\uce35 \uad6c\uc870\uc758 \ubcc4\ub3c4 \uad6c\uc131 \uc694\uc18c\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub2e4\uce35 \uae30\ud310 \uc81c\uc870\uc5d0\uc11c <strong>\ucf54\uc5b4<\/strong> \uc740 \uacbd\ud654\ub41c \uc801\uce35\ud310\uc774\uba70, \uc77c\ubc18\uc801\uc73c\ub85c \ub3d9\ubc15\uc774 \uc785\ud600\uc9c4 \uc0c1\ud0dc\ub85c \uacf5\uae09\ub429\ub2c8\ub2e4. <strong>\ud504\ub9ac\ud504\ub808\uadf8<\/strong> \uc5d0\ub294 \ubd80\ubd84\uc801\uc73c\ub85c \uacbd\ud654\ub41c \uc218\uc9c0\uc640 \ubcf4\uac15\uc7ac\uac00 \ud3ec\ud568\ub418\uc5b4 \uc788\uc73c\uba70, \uc801\uce35 \uacfc\uc815\uc5d0\uc11c \uce35\ub4e4\uc744 \uc811\ucc29\ud569\ub2c8\ub2e4. \uacbd\ud654\ub418\uc9c0 \uc54a\uc740 \ud504\ub9ac\ud504\ub808\uadf8 \uc2dc\ud2b8\ub97c \uc644\uc131\ub41c \uce35\uc73c\ub85c \uac04\uc8fc\ud558\uc9c0 \ub9d0\uace0, \uc124\uacc4\uc5d0 \ud544\uc694\ud55c \uc644\uc131\ub41c \uc720\uc804\uccb4 \uad6c\uc870\ub97c \uc9c0\uc815\ud558\uc138\uc694.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Isola\uc758 \uc7ac\ub8cc \uc120\ud0dd \uc9c0\uce68\uc5d0 \ub530\ub974\uba74 \uc218\uc9c0, \ubcf4\uac15\uc7ac \ubc0f \ub3d9\ubc15\uc758 \ud2b9\uc131\uc774 \uc804\uae30\uc801 \uc131\ub2a5\uc5d0 \uc601\ud5a5\uc744 \uc90d\ub2c8\ub2e4. \ub530\ub77c\uc11c \uc801\uce35\ud310\uc744 \uc120\ud0dd\ud560 \ub54c\ub294 \uc2a4\ud0dd\uc5c5\ub3c4 \ud568\uaed8 \uace0\ub824\ud574\uc57c \ud569\ub2c8\ub2e4. <a href=\"https:\/\/www.isola-group.com\/wp-content\/uploads\/PCB-Material-Selection-for-RF-Microwave-and-Millimeter-wave-Designs.pdf\">Isola \uc7ac\ub8cc \uc120\ud0dd \uc9c0\uce68<\/a>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\uc7ac\ub8cc \uc9c0\uc815, IPC \uaddc\uaca9 \ubc0f UL \ub4f1\uae09<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uac01 \ud45c\uae30\ub294 \uc11c\ub85c \ub2e4\ub978 \ub0b4\uc6a9\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>FR-4:<\/strong> \uc7ac\ub8cc \ub4f1\uae09\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\uc81c\uc870\uc5c5\uccb4 \ubc0f \uc81c\ud488 \uc9c0\uc815:<\/strong> \ud2b9\uc815 \uc801\uce35\ud310 \uc2dc\uc2a4\ud15c\uc744 \uc2dd\ubcc4\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>IPC-4101 \uc0ac\uc591 \uc2dc\ud2b8:<\/strong> \uc9c0\uc815\ub41c \uacbd\uc6b0 \uc801\uc6a9\ub418\ub294 \uae30\ubcf8 \uc7ac\ub8cc \uc694\uad6c\uc0ac\ud56d\uc744 \uc2dd\ubcc4\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>UL 94 \ub4f1\uae09:<\/strong> \uac00\uc5f0\uc131 \uc2dc\ud5d8\uc5d0\uc11c\uc758 \uc131\ub2a5\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">IPC-4101\uc740 \uacbd\uc131 \ubc0f \ub2e4\uce35 \uc778\uc1c4 \ud68c\ub85c \uae30\ud310\uc6a9 \uae30\ubcf8 \uc7ac\ub8cc\ub97c \ub2e4\ub8e8\uba70, \uad6c\uc870\uc640 \ubb3c\uc131 \uc694\uad6c\uc0ac\ud56d\uc744 \ud3ec\ud568\ud569\ub2c8\ub2e4. \ud504\ub85c\uc81d\ud2b8\uc5d0\uc11c \uc694\uad6c\ud558\ub294 \uacbd\uc6b0 \uc801\uc6a9\ud560 \uac1c\uc815\ud310\uacfc \uc0ac\uc591 \uc2dc\ud2b8\ub97c \uc9c0\uc815\ud558\uc138\uc694. <a href=\"https:\/\/www.ipc.org\/TOC\/IPC-4101D.pdf\">IPC-4101\uc758 \uc801\uc6a9 \ubc94\uc704 \ubc0f \uad6c\uc131<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc120\ud0dd\ud55c \uc7ac\ub8cc\uc640 \uad6c\uc870\uc5d0 \ud544\uc694\ud55c \uac00\uc5f0\uc131 \ub4f1\uae09\uc744 \ud655\uc778\ud558\uc138\uc694. \uac00\uc5f0\uc131 \ub4f1\uae09\uc740 \uc5f0\uc18d \uc0ac\uc6a9 \uc628\ub3c4\ub97c \uaddc\uc815\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. UL\uc740 \uac00\uc5f0\uc131\uacfc \uc7a5\uae30 \uc5f4 \ud3c9\uac00\ub97c \ubcc4\ub3c4\ub85c \ub2e4\ub8f9\ub2c8\ub2e4. <a href=\"https:\/\/www.ul.com\/services\/plastics-testing-and-certification\">UL \uc7ac\ub8cc \uc2dc\ud5d8<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\uc804\uae30\uc801 \ud2b9\uc131: Dk, Df \ubc0f \uc808\uc5f0 \uc131\ub2a5<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\uc8fc\ud30c\uc218\uc640 \uc2a4\ud0dd\uc5c5\uc5d0 \ub9de\ub294 Dk \ubc0f Df \ub370\uc774\ud130 \uc120\ud0dd<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\uc720\uc804\uc728<\/strong>\ub610\ub294 \uc0c1\ub300 \uc720\uc804\uc728\uc740 \uc815\uc804\uc6a9\ub7c9, \uc804\ud30c \uc9c0\uc5f0 \ubc0f \uc804\uc1a1\uc120 \uc784\ud53c\ub358\uc2a4\uc5d0 \uc601\ud5a5\uc744 \uc90d\ub2c8\ub2e4. <strong>\uc720\uc804 \uc190\uc2e4 \uacc4\uc218<\/strong>\uc190\uc2e4 \ud0c4\uc820\ud2b8\ub77c\uace0\ub3c4 \ud558\uba70, \uc720\uc804\uccb4 \uc190\uc2e4\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc7ac\ub8cc\ub97c \ube44\uad50\ud560 \ub54c\ub294 \uc8fc\ud30c\uc218, \uc2dc\ud5d8 \ubc29\ubc95 \ubc0f \uad6c\uc870\ub97c \uc77c\uce58\uc2dc\ud0a4\uc138\uc694. \uc124\uacc4 \uc2dc\uc5d0\ub294 \uad00\ub828 \uc8fc\ud30c\uc218 \ubc94\uc704\uc5d0 \ub300\ud574 \uacf5\uae09\uc5c5\uccb4\uac00 \uad8c\uc7a5\ud558\ub294 Dk\/Df \ub370\uc774\ud130 \ub610\ub294 \ubaa8\ub378\uc774 \ubb34\uc5c7\uc778\uc9c0 \ud655\uc778\ud558\uc138\uc694.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc804\uc1a1\uc120\uc758 <strong>\uc720\ud6a8 \uc720\uc804\uc728<\/strong> \uc740 \uc804\uc790\uae30\uc7a5\uc774 \uc9c0\ub098\uac00\ub294 \uc704\uce58\uc5d0 \ub530\ub77c \ub2ec\ub77c\uc9d1\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4 \ud45c\uba74 \ub9c8\uc774\ud06c\ub85c\uc2a4\ud2b8\ub9bd\uc758 \uc804\uc790\uae30\uc7a5\uc740 \uae30\ud310 \ub0b4\ubd80\uc640 \uadf8 \uc704\ucabd \uacf5\uac04 \ubaa8\ub450\uc5d0 \ubd84\ud3ec\ud569\ub2c8\ub2e4. \ub530\ub77c\uc11c \ud574\ub2f9 \ubaa8\ub378\uc740 \uc801\uce35\ud310\uc758 \ubc8c\ud06c Dk\ubfd0 \uc544\ub2c8\ub77c \uae30\ud558 \uad6c\uc870\ub3c4 \uace0\ub824\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Df\ub9cc\uc73c\ub85c \uc804\uccb4 \ucc44\ub110 \uc190\uc2e4\uc744 \uc608\uce21\ud560 \uc218\ub294 \uc5c6\uc2b5\ub2c8\ub2e4. \ub3c4\uccb4 \uc190\uc2e4, \ub3d9\ubc15 \uac70\uce60\uae30 \ubc0f \uc784\ud53c\ub358\uc2a4 \ubd88\uc5f0\uc18d\ub3c4 \uc601\ud5a5\uc744 \uc90d\ub2c8\ub2e4. \ub530\ub77c\uc11c \ubaa8\ub4e0 FR-4 \uad6c\uc870\uac00 \ubd80\uc801\ud569\ud574\uc9c0\ub294 \ubcf4\ud3b8\uc801\uc778 \uc8fc\ud30c\uc218\ub294 \uc5c6\uc2b5\ub2c8\ub2e4. \ucc44\ub110 \uae38\uc774\uc640 \uc190\uc2e4 \uc608\uc0b0\uc744 \ud3c9\uac00\ud558\uc138\uc694. <a href=\"https:\/\/www.isola-group.com\/wp-content\/uploads\/PCB-Material-Selection-for-RF-Microwave-and-Millimeter-wave-Designs.pdf\">Isola \uc804\uc1a1\uc120 \ubc0f \uc190\uc2e4 \ubd84\uc11d<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc911\uc694\ud55c \uc2e0\ud638\uc120\uc744 \ubc30\uc120\ud558\uae30 \uc804\uc5d0 \uad6c\uc870, \uc644\uc131\ub41c \uc720\uc804\uccb4 \ub450\uaed8, \ub3d9\ubc15, \uc804\uae30 \ubaa8\ub378 \ubc0f \uc784\ud53c\ub358\uc2a4 \ubaa9\ud45c\ub97c \ud569\uc758\ud558\uc138\uc694. \uc804\uccb4 \uc2a4\ud0dd\uc5c5 \uc124\uacc4 \uc808\ucc28\ub294 <a href=\"https:\/\/lead-pcb.com\/ko\/blog\/fr-4-material-properties\/\" data-type=\"post\" data-id=\"7918\">\uc784\ud53c\ub358\uc2a4 \uc81c\uc5b4 PCB \uc124\uacc4 \uac00\uc774\ub4dc<\/a> \ub97c \ucc38\uc870\ud558\uc138\uc694.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\uc808\uc5f0 \ub0b4\ub825, \uc800\ud56d\ub960 \ubc0f CTI<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub7ec\ud55c \ud2b9\uc131\uc740 \uc11c\ub85c \ub2e4\ub978 \uc808\uc5f0 \uc131\ub2a5\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\uc808\uc5f0 \ub0b4\ub825:<\/strong> \uc9c0\uc815\ub41c \uc2dc\ud5d8 \uc870\uac74\uc5d0\uc11c \ub2e8\uc704 \ub450\uaed8\ub2f9 \uc808\uc5f0 \ud30c\uad34 \uc804\uc555\uc785\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\uccb4\uc801 \uc800\ud56d\ub960 \ubc0f \ud45c\uba74 \uc800\ud56d\ub960:<\/strong> \uc7ac\ub8cc \ub0b4\ubd80 \ub610\ub294 \ud45c\uba74\uc744 \ub530\ub77c \uc804\ub958\uac00 \ud750\ub974\ub294 \uac83\uc5d0 \ub300\ud55c \uc800\ud56d.<\/li>\n\n\n\n<li><strong>\ube44\uad50 \ud2b8\ub798\ud0b9 \uc9c0\uc218(CTI):<\/strong> \uc2dc\ud5d8 \uc870\uac74\uc5d0\uc11c \uc808\uc5f0 \ud45c\uba74\uc744 \uac00\ub85c\uc9c8\ub7ec \uc804\ub3c4\uc131 \ud2b8\ub799\uc774 \ud615\uc131\ub418\ub294 \uac83\uc5d0 \ub300\ud55c \uc0c1\ub300\uc801 \uc800\ud56d.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">IPC\ub294 \ub2e4\uc74c \ud56d\ubaa9\uc5d0 \ub300\ud574 \ubcc4\ub3c4\uc758 \uc2dc\ud5d8 \ubc29\ubc95\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4 <a href=\"https:\/\/www.electronics.org\/sites\/default\/files\/test_methods_docs\/2.5.6.2a.pdf\">\uc804\uae30\uc801 \uac15\ub3c4<\/a> \uacfc <a href=\"https:\/\/www.electronics.org\/sites\/default\/files\/test_methods_docs\/2.5.17.1a.pdf\">\uccb4\uc801\/\ud45c\uba74 \uc800\ud56d\ub960<\/a>. UL\uc740 CTI\ub97c \ub2e4\uc74c \ud56d\ubaa9\uc5d0 \ub300\ud55c \ubcc4\ub3c4\uc758 \ud3c9\uac00\ub85c \uc124\uba85\ud569\ub2c8\ub2e4 <a href=\"https:\/\/www.ul.com\/services\/comparative-tracking-index-cti-iec-60112\">\ud2b8\ub798\ud0b9 \uc800\ud56d<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub370\uc774\ud130\uc2dc\ud2b8\uc758 \uc808\uc5f0 \ud30c\uad34\uac12\uc5d0 \uae30\ud310 \ub450\uaed8\ub97c \uacf1\ud55c \uacb0\uacfc\ub97c \uc2b9\uc778\ub41c \uc0ac\uc6a9 \uc804\uc555\uc73c\ub85c \uac04\uc8fc\ud558\uc9c0 \ub9c8\uc2ed\uc2dc\uc624. \uc801\uc6a9\ub418\ub294 \uac04\uaca9, \ud658\uacbd \ubc0f \uac80\uc99d \uc694\uac74\uc744 \ud3ec\ud568\ud558\uc5ec \uc81c\ud488 \uc218\uc900\uc5d0\uc11c \uc808\uc5f0 \uc694\uac74\uc744 \uc124\uc815\ud558\uc2ed\uc2dc\uc624.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\uc5f4\uc801 \ud2b9\uc131: Tg, Td, \ud33d\ucc3d \ubc0f \uc5f4 \ud750\ub984<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Tg, \ubd84\ud574, \ubc15\ub9ac \uc2dc\uac04 \ubc0f \uc7a5\uae30 \uc628\ub3c4 \ub4f1\uae09<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Tg\ub294 \uc720\ub9ac \uc804\uc774 \uc601\uc5ed\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4<\/strong>, \uc774 \uc601\uc5ed\uc5d0\uc11c\ub294 \uc218\uc9c0\uc758 \uac15\uc131 \ubc0f \ud33d\ucc3d \uac70\ub3d9\uc774 \ubcc0\ud569\ub2c8\ub2e4. \uc774\ub294 \ub179\ub294\uc810\ub3c4 \uc544\ub2c8\uace0 \uc644\uc804\ud55c \uc0ac\uc6a9 \uc628\ub3c4 \ub4f1\uae09\ub3c4 \uc544\ub2d9\ub2c8\ub2e4. DSC\ub294 \uc5f4\uc6a9\ub7c9 \uac70\ub3d9\uc744 \ud1b5\ud574 \uc804\uc774\ub97c \uce21\uc815\ud558\uace0, TMA\ub294 \uce58\uc218 \ubcc0\ud654\ub97c \uc0b4\ud3b4\ubd05\ub2c8\ub2e4. \uacb0\uacfc\ub97c \ube44\uad50\ud560 \ub54c\ub294 \uce21\uc815 \ubc29\ubc95\uc744 \ub3d9\uc77c\ud558\uac8c \uc720\uc9c0\ud558\uc2ed\uc2dc\uc624. <a href=\"https:\/\/www.electronics.org\/sites\/default\/files\/test_methods_docs\/2.4.25d.pdf\">IPC DSC \uc2dc\ud5d8 \ubc29\ubc95<\/a>, <a href=\"https:\/\/www.electronics.org\/sites\/default\/files\/test_methods_docs\/2.4.24c.pdf\">IPC TMA \uc2dc\ud5d8 \ubc29\ubc95<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Td\ub294 \uc5f4\ubd84\ud574\uc640 \uad00\ub828\uc774 \uc788\uc2b5\ub2c8\ub2e4.<\/strong> \uc9c8\ub7c9 \uc190\uc2e4 \uae30\uc900\uc774 \uc911\uc694\ud569\ub2c8\ub2e4. IPC\uc758 TGA \ubc29\ubc95\uc740 2% \ubc0f 5% \uc190\uc2e4 \uc2dc\uc758 \uc628\ub3c4\ub97c \ubaa8\ub450 \ubcf4\uace0\ud569\ub2c8\ub2e4. \ud55c \uc7ac\ub8cc\uc758 2% \uc190\uc2e4 \uac12\uc744 \ub2e4\ub978 \uc7ac\ub8cc\uc758 5% \uc190\uc2e4 \uac12\uacfc \ube44\uad50\ud558\uba74 \uc624\ud574\ub97c \ubd88\ub7ec\uc77c\uc73c\ud0ac \uc218 \uc788\uc2b5\ub2c8\ub2e4. <a href=\"https:\/\/www.electronics.org\/sites\/default\/files\/test_methods_docs\/2-4_2-4-24-6.pdf\">IPC \ubd84\ud574 \uc628\ub3c4 \uc2dc\ud5d8 \ubc29\ubc95<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>T260 \ubc0f T288\uc740 \uc9c0\uc815\ub41c \uc2dc\ud5d8 \uc628\ub3c4\uc5d0\uc11c \ubc15\ub9ac\uae4c\uc9c0 \uac78\ub9ac\ub294 \uc2dc\uac04\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4.<\/strong> \uc2dc\ud3b8 \uc900\ube44\uc640 \ub3d9\ubc15 \uc0c1\ud0dc\uac00 \uc911\uc694\ud569\ub2c8\ub2e4. \uc774 \uce21\uc815\uac12\uc740 \uc644\uc131\ub41c \uc870\ub9bd\uccb4\uac00 \uba87 \ucc28\ub840\uc758 \ub9ac\ud50c\ub85c \uacf5\uc815\uc744 \uacac\ub51c \uc218 \uc788\ub294\uc9c0\ub294 \ub098\ud0c0\ub0b4\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. <a href=\"https:\/\/www.electronics.org\/sites\/default\/files\/test_methods_docs\/2.4.24.1.pdf\">IPC \ubc15\ub9ac \uc2dc\uac04 \uc2dc\ud5d8 \ubc29\ubc95<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\uc0c1\ub300 \uc5f4\uc9c0\uc218(RTI)\ub294 \uc7a5\uae30 \uc5f4 \ub178\ud654\ub97c \ub2e4\ub8f9\ub2c8\ub2e4.<\/strong> RTI\ub294 \ud574\ub2f9 \uc778\uc815 \uc870\uac74\uacfc \uc804\uccb4 \uc81c\ud488 \ud3c9\uac00\uc758 \ub9e5\ub77d\uc5d0\uc11c \uace0\ub824\ud574\uc57c \ud569\ub2c8\ub2e4. UL\uc758 \uc5f4 \ub178\ud654 \uc2dc\ud5d8\uc740 \ub2e8\uae30 \uc5f4 \ud2b9\uc131 \ud3c9\uac00\uc640\ub294 \ubcc4\uac1c\uc785\ub2c8\ub2e4. <a href=\"https:\/\/www.ul.com\/services\/plastics-testing-and-certification\">UL \uc5f4 \ud3c9\uac00<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc2e4\ubb34\uc801\uc73c\ub85c\ub294 \uc608\uc0c1 \uc0ac\uc6a9 \uc628\ub3c4, \ub0a9\ub55c \ud504\ub85c\ud30c\uc77c, \uc7ac\uc791\uc5c5 \uc2dc \uc5f4 \ub178\ucd9c \ubc0f \uc2e0\ub8b0\uc131 \uc694\uac74\uc744 \ud568\uaed8 \uac80\ud1a0\ud574\uc57c \ud569\ub2c8\ub2e4. \ub192\uc740 Tg \uac12\ub9cc\uc73c\ub85c\ub294 \uc774 \uac80\ud1a0\ub97c \ub300\uc2e0\ud560 \uc218 \uc5c6\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Tg \ubbf8\ub9cc \ubc0f \ucd08\uacfc\uc5d0\uc11c\uc758 X\/Y\ucd95 \ubc0f Z\ucd95 CTE<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc5f4\ud33d\ucc3d\uacc4\uc218\ub294 \uc628\ub3c4\uc5d0 \ub530\ub978 \uce58\uc218 \ubcc0\ud654\ub97c \ub098\ud0c0\ub0c5\ub2c8\ub2e4. X\uc640 Y\ub294 \uae30\ud310 \ud3c9\uba74 \ubc29\ud5a5\uc774\uace0, Z\ub294 \ub450\uaed8 \ubc29\ud5a5\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uac01 CTE \uac12\uc758 \ubc29\ud5a5\uacfc \uc628\ub3c4 \uad6c\uac04\uc744 \ud655\uc778\ud558\uc2ed\uc2dc\uc624. Tg \ubbf8\ub9cc\uc758 \uacc4\uc218\ub294 \uc804\uc774\uc810\uc744 \ud1b5\uacfc\ud558\ub294 \uc804\uccb4 \uc628\ub3c4 \ubcc0\ud654 \uad6c\uac04\uc744 \ub098\ud0c0\ub0bc \uc218 \uc5c6\uc2b5\ub2c8\ub2e4. \ub610\ud55c ppm\/\u00b0C\ub85c \ud45c\uc2dc\ub41c \uacc4\uc218\uc640 \uba85\uc2dc\ub41c \uad6c\uac04\uc5d0\uc11c\uc758 \ucd1d \ud33d\ucc3d\ub960\uc744 \ubc31\ubd84\uc728\ub85c \ub098\ud0c0\ub0b8 \uac12\uc744 \uad6c\ubd84\ud558\uc2ed\uc2dc\uc624. <a href=\"https:\/\/www.electronics.org\/sites\/default\/files\/test_methods_docs\/2.4.24c.pdf\">IPC \uc5f4\ud33d\ucc3d \uc2dc\ud5d8 \ubc29\ubc95<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ube44\uc544 \uc2e0\ub8b0\uc131\uc744 \uac80\ud1a0\ud560 \ub54c\ub294 \uae30\ud310 \ub450\uaed8, \ud640 \ud615\uc0c1, \ub3c4\uae08 \ubc0f \uc608\uc0c1 \uc5f4 \uc0ac\uc774\ud074\uacfc \ud568\uaed8 \ub77c\ubbf8\ub124\uc774\ud2b8\uc758 \ub450\uaed8 \ubc29\ud5a5 \ud33d\ucc3d\uc744 \uace0\ub824\ud558\uc2ed\uc2dc\uc624. CTE\ub294 \ud574\ub2f9 \ud3c9\uac00\uc758 \uc785\ub825\uac12 \uc911 \ud558\ub098\uc77c \ubfd0, \ub2e8\ub3c5\uc73c\ub85c \uc2e0\ub8b0\uc131\uc744 \ubcf4\uc7a5\ud558\uc9c0\ub294 \uc54a\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\uc5f4\uc804\ub3c4\uc728\uacfc \uc804\uccb4 \uae30\ud310\uc758 \uc5f4 \uacbd\ub85c<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc5f4\uc804\ub3c4\uc728\uc740 \uc5f4 \uc804\ub2ec \ud2b9\uc131\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \uc774\ub294 \uc218\uc9c0\uac00 \uc5f4 \ub178\ucd9c\uc744 \uacac\ub514\ub294\uc9c0\uc640\ub294 \ub2e4\ub978 \uc9c8\ubb38\uc5d0 \ub2f5\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ubd80\ud488\uc774 \uc9c0\ub098\uce58\uac8c \ub728\uac70\uc6cc\uc9c0\uba74 \uae30\ud310\uacfc\uc758 \uc811\ud569\ubd80, \ub3d9\ubc15\uc758 \uc5f4 \ud655\uc0b0, \uc5f4 \ube44\uc544, \uc811\ud569\uba74, \uacf5\uae30 \ud750\ub984 \ubc0f \ubc29\uc5f4\ud310\uc744 \ud3ec\ud568\ud55c \uc804\uccb4 \ub0c9\uac01 \uacbd\ub85c\ub97c \uac80\ud1a0\ud558\uc2ed\uc2dc\uc624. Tg\ub97c \ub192\uc774\ub294 \uac83\ub9cc\uc73c\ub85c \ubc29\uc5f4 \uc131\ub2a5\uc774 \uac1c\uc120\ub41c\ub2e4\uace0 \ubcfc \uc218\ub294 \uc5c6\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc2dc\ubbac\ub808\uc774\uc158\uc5d0\ub294 \ubc29\ud5a5\uc5d0 \ub9de\ub294 \uc7ac\ub8cc \ub370\uc774\ud130\ub97c \uc0ac\uc6a9\ud558\uace0 \ub3d9\ubc15\uc740 \ubcc4\ub3c4\ub85c \ubaa8\ub378\ub9c1\ud558\uc2ed\uc2dc\uc624. \ud328\ud134 \ub3d9\ubc15\uacfc \ube44\uc544\uac00 \ud3ec\ud568\ub41c \uc644\uc131\ub41c \ub2e4\uce35 \uae30\ud310\uc5d0 \ub77c\ubbf8\ub124\uc774\ud2b8\uc758 \uc5f4\uc804\ub3c4\uc728 \uac12 \ud558\ub098\ub97c \uadf8\ub300\ub85c \uc801\uc6a9\ud558\uc9c0 \ub9c8\uc2ed\uc2dc\uc624.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\uae30\uacc4\uc801 \ud2b9\uc131 \ubc0f \uc218\ubd84: \ucd94\uac00\ub85c \ud655\uc778\ud560 \uc0ac\ud56d<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\uae30\uacc4\uc801 \ud558\uc911\uc744 \ubc1b\ub294 \uae30\ud310\uc5d0\uc11c\ub294 \ub2e4\uc74c\uc744 \uad6c\ubd84\ud558\uc2ed\uc2dc\uc624 <strong>\uac15\ub3c4<\/strong> \uc640 <strong>\uac15\uc131<\/strong>. \uac15\ub3c4\ub294 \ud558\uc911\uc5d0 \ub530\ub978 \ud30c\uc190\uacfc \uad00\ub828\uc774 \uc788\uace0, \ud0c4\uc131\ub960\uc740 \ubcc0\ud615\uc5d0 \ub300\ud55c \uc800\ud56d\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \uae30\ud310 \ub450\uaed8, \uc9c0\uc9c0 \uc704\uce58 \ubc0f \uc7a5\ucc29 \ud558\uc911\ub3c4 \uae30\uacc4\uc801 \ud3c9\uac00\uc5d0 \ud3ec\ud568\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uac15\ud654 \ub77c\ubbf8\ub124\uc774\ud2b8\ub97c \ube44\uad50\ud560 \ub54c\ub294 \uc2dc\ud5d8 \ubc29\ud5a5\uc744 \ub3d9\uc77c\ud558\uac8c \uc720\uc9c0\ud558\uc2ed\uc2dc\uc624. IPC\uc758 \uad74\uace1 \uac15\ub3c4 \uc2dc\ud5d8 \ubc29\ubc95\uc740 \uae38\uc774 \ubc29\ud5a5 \ubc0f \ud3ed \ubc29\ud5a5 \uc2dc\ud3b8\uc744 \uba85\uc2dc\uc801\uc73c\ub85c \uc694\uad6c\ud569\ub2c8\ub2e4. \uacf5\uc815 \ub610\ub294 \uc7ac\uc791\uc5c5 \uc751\ub825\uc774 \uc911\uc694\ud55c \uacbd\uc6b0\uc5d0\ub294 \ub3d9\ubc15 \uc811\ucc29\ub825\uc744 \ubcc4\ub3c4\ub85c \uac80\ud1a0\ud574\uc57c \ud569\ub2c8\ub2e4. <a href=\"https:\/\/www.electronics.org\/sites\/default\/files\/test_methods_docs\/2.4.4b.pdf\">IPC \uad74\uace1 \uac15\ub3c4 \uc2dc\ud5d8 \ubc29\ubc95<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc218\ubd84 \ud761\uc218\ub3c4 \uc2dc\ud5d8 \ubc29\ubc95\uc5d0 \ub530\ub77c \ub2ec\ub77c\uc9d1\ub2c8\ub2e4. \uc608\uc2dc \ud45c\uc5d0\uc11c \ucc38\uc870\ud55c \ud761\uc218\uc728 \uc2dc\ud5d8 \ubc29\ubc95\uc740 \uc2dc\ud3b8\uc744 \uc870\uc808\ud55c \ub4a4 \uc9c0\uc815\ub41c 24\uc2dc\uac04 \uce68\uc9c0 \ud6c4\uc758 \uc9c8\ub7c9 \uc99d\uac00\ub97c \uce21\uc815\ud569\ub2c8\ub2e4. \uc774 \uacb0\uacfc\uac00 \ubaa8\ub4e0 \uc2b5\ub3c4 \ub178\ucd9c\uc744 \ub098\ud0c0\ub0b4\ub294 \uac83\uc740 \uc544\ub2c8\uba70, \uc644\uc131\ub41c \uae30\ud310\uc758 \uc804\uae30\uc801 \uc2e0\ub8b0\uc131\uc744 \uc785\uc99d\ud558\uc9c0\ub3c4 \uc54a\uc2b5\ub2c8\ub2e4. <a href=\"https:\/\/www.electronics.org\/sites\/default\/files\/test_methods_docs\/2.6.2.1a.pdf\">IPC \uc218\ubd84 \ud761\uc218 \uc2dc\ud5d8 \ubc29\ubc95<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc2b5\ub3c4\uac00 \ub192\uace0 \uc804\uae30\uc801 \ubc14\uc774\uc5b4\uc2a4\uac00 \uac00\ud574\uc9c0\ub294 \uc751\uc6a9 \ubd84\uc57c\uc5d0\uc11c\ub294 \ud761\uc218\uc728 \ub370\uc774\ud130 \uc678\uc5d0\ub3c4 \uad00\ub828 \uc808\uc5f0 \uc2e0\ub8b0\uc131 \uadfc\uac70\ub97c \uc694\uccad\ud558\uc2ed\uc2dc\uc624. \uc81c\uc870\uc5c5\uccb4\uc640 \ubcf4\uad00 \ubc0f \uc870\ub9bd \uc804 \ucde8\uae09 \uc694\uac74\uc744 \ud655\uc778\ud558\uc2ed\uc2dc\uc624.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\uc608\uc81c: FR-4 \ub370\uc774\ud130\uc2dc\ud2b8 \uc77d\uae30<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\uc81c\ud488, \uac1c\uc815\ud310, \uad6c\uc870 \ubc0f \uc2dc\ud5d8 \uc870\uac74 \ud655\uc778<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\uac00\uc0c1 \uc2dc\ub098\ub9ac\uc624:<\/strong> \ud55c \ud300\uc774 \uc784\ud53c\ub358\uc2a4 \uc81c\uc5b4 \uc2e0\ud638\uac00 \uc788\ub294 6\uce35 \ucee8\ud2b8\ub864\ub7ec\ub97c \uac1c\ubc1c\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uc81c\uc548\ub41c \ucf54\uc5b4 \uad6c\uc870 \ub450 \uac00\uc9c0\ub294 \ub77c\ubbf8\ub124\uc774\ud2b8 \uc81c\ud488\uba85\uacfc \uacf5\uce6d \ub450\uaed8\uac00 \uac19\uc2b5\ub2c8\ub2e4. \uad6c\ub9e4 \ub2f4\ub2f9\uc790\ub294 \ub450 \uad6c\uc870\ub97c \uc11c\ub85c \ub300\uccb4\ud574\ub3c4 \ub418\ub294\uc9c0 \ubb38\uc758\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc5d4\uc9c0\ub2c8\uc5b4\ub294 \ubb38\uc11c \uac1c\uc815\ud310\uc744 \uae30\ub85d\ud569\ub2c8\ub2e4. 370HR \uc81c\ud488 \ub370\uc774\ud130\uc2dc\ud2b8\ub294 \uac1c\uc815\ud310 E\ub97c \uba85\uc2dc\ud558\uace0, \ubcc4\ub3c4\uc758 \uad6c\uc870 \ud45c\ub294 2020\ub144 3\uc6d4 16\uc77c\uc790 \uac1c\uc815\ud310 C\ub97c \uba85\uc2dc\ud569\ub2c8\ub2e4. \uac01 \uc218\uce58\ub294 \ud574\ub2f9 \ucd9c\ucc98\uc640 \ud568\uaed8 \uae30\ub85d\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uacf5\ud1b5 1 GHz \ube44\uad50 \uae30\uc900\uc5d0\uc11c \uad6c\uc870 \ud45c\uc5d0\ub294 \ub2e4\uc74c\uacfc \uac19\uc774 \uae30\uc7ac\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th>370HR \ucf54\uc5b4 \uad6c\uc870<\/th><th class=\"has-text-align-right\" data-align=\"right\">\uc218\uc9c0 \ud568\ub7c9<\/th><th class=\"has-text-align-right\" data-align=\"right\">\uacf5\uce6d \ub450\uaed8<\/th><th class=\"has-text-align-right\" data-align=\"right\">Dk<\/th><th class=\"has-text-align-right\" data-align=\"right\">Df<\/th><\/tr><tr><td>2116 \uae00\ub77c\uc2a4 1\uc7a5<\/td><td class=\"has-text-align-right\" data-align=\"right\">47%<\/td><td class=\"has-text-align-right\" data-align=\"right\">0.102 mm<\/td><td class=\"has-text-align-right\" data-align=\"right\">4.26<\/td><td class=\"has-text-align-right\" data-align=\"right\">0.018<\/td><\/tr><tr><td>106 \uae00\ub77c\uc2a4 1\uc7a5 + 1080 \uae00\ub77c\uc2a4 1\uc7a5<\/td><td class=\"has-text-align-right\" data-align=\"right\">60%<\/td><td class=\"has-text-align-right\" data-align=\"right\">0.102 mm<\/td><td class=\"has-text-align-right\" data-align=\"right\">4.00<\/td><td class=\"has-text-align-right\" data-align=\"right\">0.021<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"563\" src=\"https:\/\/lead-pcb.com\/wp-content\/uploads\/2026\/07\/fr-4-glass-style-resin-content-dk-comparison.webp\" alt=\"Comparison diagram of two FR-4 core constructions showing differences in glass style, resin content, and dielectric constant (Dk)\" class=\"wp-image-23594\" srcset=\"https:\/\/lead-pcb.com\/wp-content\/uploads\/2026\/07\/fr-4-glass-style-resin-content-dk-comparison.webp 1000w, https:\/\/lead-pcb.com\/wp-content\/uploads\/2026\/07\/fr-4-glass-style-resin-content-dk-comparison-300x169.webp 300w, https:\/\/lead-pcb.com\/wp-content\/uploads\/2026\/07\/fr-4-glass-style-resin-content-dk-comparison-768x432.webp 768w, https:\/\/lead-pcb.com\/wp-content\/uploads\/2026\/07\/fr-4-glass-style-resin-content-dk-comparison-18x10.webp 18w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub294 \uacf5\uac1c\ub41c \ucc38\uace0 \ub370\uc774\ud130\uc774\uba70 \ud569\uaca9 \uae30\uc900\uc774 \uc544\ub2d9\ub2c8\ub2e4. \ubcc4\ub3c4 \ud45c\uc5d0\ub294 \uc774\ub7ec\ud55c \ud56d\ubaa9\uc758 \uc2dc\ud5d8 \ubc29\ubc95\uc774 \uba85\uc2dc\ub418\uc5b4 \uc788\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. <a href=\"https:\/\/www.isola-group.com\/wp-content\/uploads\/data-sheets\/370HR__Dk_Df_Tables.pdf\">Isola 370HR \uad6c\uc870 \ud45c<\/a>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\uc124\uacc4\uc5d0\uc11c \ube44\uad50\ud558\uac70\ub098 \uc0ac\uc6a9\ud560 \uc218 \uc788\ub294 \uac12\uc744 \ud310\ub2e8\ud558\uae30<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ube44\uad50 \uacb0\uacfc, \uc81c\ud488\uba85\uacfc \uacf5\uce6d \ub450\uaed8\uac00 \uac19\ub2e4\uace0 \ud574\uc11c \uc804\uae30\uc801 \ud2b9\uc131\uae4c\uc9c0 \ub3d9\uc77c\ud55c \uac83\uc740 \uc544\ub2d9\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc5d4\uc9c0\ub2c8\uc5b4\ub9c1 \uce21\uba74\uc5d0\uc11c \ub2e4\uc74c\uacfc \uac19\uc774 \ub300\uc751\ud574\uc57c \ud569\ub2c8\ub2e4:<\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li>\uc2e4\uc81c\ub85c \uc81c\uc548\ub41c \uad6c\uc870\ub97c \ud655\uc778\ud558\uace0 \ud574\ub2f9\ub418\ub294 \ucd5c\uc2e0 \ub370\uc774\ud130\ub97c \ud655\ubcf4\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uc81c\uc870\uc5c5\uccb4\uc640 \ubaa8\ub378 \ubc0f \uc644\uc131 \uce58\uc218\ub97c \ud569\uc758\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\ubcc0\uacbd\uc744 \uc2b9\uc778\ud558\uae30 \uc804\uc5d0 \uc784\ud53c\ub358\uc2a4\uc640 \ucc44\ub110 \uc131\ub2a5\uc744 \ub2e4\uc2dc \uacc4\uc0b0\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uc2b9\uc778\ub41c \uad6c\uc870\uc640 \ub300\uccb4 \uc801\uc6a9 \uc870\uac74\uc744 \uae30\ub85d\ud569\ub2c8\ub2e4.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\uc81c\ud488 \uc218\uc900\uc758 \ud45c\uc640 \uc774 \ube44\uad50\ub9cc\uc73c\ub85c\ub294 \uc644\uc131\ud488\uc758 \uc784\ud53c\ub358\uc2a4\ub97c \uc608\uce21\ud558\uae30\uc5d0 \uc815\ubcf4\uac00 \ucda9\ubd84\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \ub610\ud55c \uc774 \uc0ac\ub840\ub294 \ud2b9\uc815 \uad6c\uc870\uac00 \ud56d\uc0c1 \ub354 \uc6b0\uc218\ud558\ub2e4\ub294 \uc810\uc744 \uc785\uc99d\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \uc120\ud0dd\uc740 \ud68c\ub85c\uc640 \uc801\uce35 \uad6c\uc131\uc5d0 \ub530\ub77c \ub2ec\ub77c\uc9d1\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\ub77c\ubbf8\ub124\uc774\ud2b8 \uc120\ud0dd \ubc0f \ub300\uccb4\ud488 \uac80\ud1a0 \ubc29\ubc95<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\uc124\uacc4\uc758 \ud575\uc2ec \uc81c\ud55c \uc694\uac74\ubd80\ud130 \uc0b4\ud3b4\ubcf4\uc138\uc694. \ub2e4\uc74c \ud45c\ub294 \ubcf4\ud3b8\uc801\uc778 \uc7ac\ub8cc \uad8c\uc7a5 \uc0ac\ud56d\uc774 \uc544\ub2c8\ub77c \uc2e4\ubb34\uc801\uc778 \uac80\ud1a0 \ud2c0\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th>\uc8fc\uc694 \uace0\ub824 \uc0ac\ud56d<\/th><th>\uc694\uccad\ud560 \uc99d\ube59<\/th><th>\uacb0\uc815\ud560 \uc0ac\ud56d<\/th><\/tr><tr><td>\uc784\ud53c\ub358\uc2a4 \ub610\ub294 \uc804\ud30c \uc9c0\uc5f0<\/td><td>\uad6c\uc870\ubcc4 Dk \ubaa8\ub378 \ubc0f \uc644\uc131 \uc801\uce35 \uad6c\uc131<\/td><td>\ud2b8\ub808\uc774\uc2a4 \ud615\uc0c1\uacfc \uacf5\ucc28 \ud655\uc778<\/td><\/tr><tr><td>\ucc44\ub110 \uc190\uc2e4<\/td><td>\uad00\ub828 \uc8fc\ud30c\uc218 \ub300\uc5ed\uc758 Df, \ub3d9\ubc15 \ud504\ub85c\ud30c\uc77c, \ucc44\ub110 \ubd84\uc11d<\/td><td>\uc81c\uc548\ub41c \ub77c\ubbf8\ub124\uc774\ud2b8\ub97c \uc720\uc9c0\ud558\uac70\ub098 \uc190\uc2e4\uc774 \ub354 \ub0ae\uc740 \ub300\uc548\uc744 \uac80\ud1a0<\/td><\/tr><tr><td>\uc870\ub9bd \ubc0f \uc5f4 \uc0ac\uc774\ud074\ub9c1<\/td><td>Tg \uc2dc\ud5d8 \ubc29\ubc95, Td \uae30\uc900, \ud33d\ucc3d, \ubc15\ub9ac \ub370\uc774\ud130, \uad00\ub828 \uc778\uc99d<\/td><td>\uc608\uc815\ub41c \uc5f4 \ub178\ucd9c \uc870\uac74\uc5d0 \uc801\ud569\ud55c\uc9c0 \ud655\uc778<\/td><\/tr><tr><td>\uc5f4 \uc81c\uac70<\/td><td>\ubc29\ud5a5\ubcc4 \uc5f4\uc804\ub3c4\ub3c4 \ubc0f \uc804\uccb4 \uc5f4 \ubaa8\ub378<\/td><td>\uc5f4 \uacbd\ub85c\ub97c \uac1c\uc120\ud558\uac70\ub098 \ub2e4\ub978 \uad6c\uc870\ub97c \uac80\ud1a0<\/td><\/tr><tr><td>\uc808\uc5f0 \ubc0f \uc2b5\ub3c4<\/td><td>\uc694\uad6c\ub418\ub294 \uc804\uae30\uc801 \ud2b9\uc131 \ubc0f \uad00\ub828 \ud658\uacbd \uc2dc\ud5d8 \uadfc\uac70<\/td><td>\uc81c\ud488 \uc218\uc900\uc758 \uc808\uc5f0 \uc694\uac74 \ud655\uc778<\/td><\/tr><tr><td>\ube44\uc6a9 \ubc0f \uacf5\uae09 \uc5f0\uc18d\uc131<\/td><td>\uc81c\uc548 \uc7ac\ub8cc, \uad6c\uc870\uc758 \uacf5\uae09 \uac00\ub2a5\uc131, \ub0a9\uae30, \ub300\uccb4\ud488 \ubb38\uc11c<\/td><td>\ubb38\uc11c\ud654\ub41c \uc870\ub2ec \uc804\ub7b5 \uc2b9\uc778<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\ub354 \ud3ed\ub113\uc740 \ub300\uc548\uc744 \uc54c\uc544\ubcf4\ub824\uba74 \ub2e4\uc74c\uc744 \ucc38\uc870\ud558\uc138\uc694: <a href=\"https:\/\/lead-pcb.com\/ko\/blog\/fr-4-material-properties\/\" data-type=\"post\" data-id=\"7918\">PCB \uc18c\uc7ac \uc120\ud0dd \uac00\uc774\ub4dc <\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub300\uccb4\ud488\uc744 \uac80\ud1a0\ud560 \ub54c\ub294 \ub2e4\uc74c \ub450 \uac00\uc9c0\ub97c \uad6c\ubd84\ud558\uc138\uc694: <strong>\uaddc\uaca9 \ucda9\uc871<\/strong> \uc640 <strong>\uac80\uc99d\ub41c \uc124\uacc4 \uc720\uc9c0<\/strong>. \ub3d9\uc77c\ud55c \ucd5c\uc18c \uc694\uac74\uc744 \ucda9\uc871\ud55c\ub2e4\uace0 \ud574\uc11c \uc804\uae30\uc801 \ud2b9\uc131\uc774\ub098 \uc81c\uc870 \ubc18\uc751\uae4c\uc9c0 \ub3d9\uc77c\ud55c \uac83\uc740 \uc544\ub2d9\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uae30\ud310\uc5d0 \uc911\uc694\ud55c \ud2b9\uc131\uc744 \uae30\uc900\uc73c\ub85c \ube44\uad50 \uc790\ub8cc\ub97c \uc694\uccad\ud558\uc138\uc694. \ud544\uc694\ud55c \uacbd\uc6b0 \uad6c\uc870, \ub3d9\ubc15, \uc2dc\ud5d8 \ubc29\ubc95 \ubc0f \uc778\uc99d \uc0c1\ud0dc\uc758 \ubcc0\uacbd \uc0ac\ud56d\uc744 \ubb38\uc11c\ud654\ud55c \ub4a4, \ubd84\uc11d\uc774\ub098 \uc778\uc99d\uc744 \ub2e4\uc2dc \uc218\ud589\ud574\uc57c \ud558\ub294\uc9c0 \uacb0\uc815\ud558\uc138\uc694. \uad6c\ub9e4 \ubd80\uc11c\uc5d0\ub294 \uc2b9\uc778, \uc870\uac74\ubd80 \uc2b9\uc778 \ub610\ub294 \uac70\ubd80 \uc911 \ud558\ub098\ub85c \uba85\ud655\ud788 \uc804\ub2ec\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">FR-4 PCB \ubb38\uc758\uc5d0 \ud3ec\ud568\ud560 \ub0b4\uc6a9<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\ud6a8\uacfc\uc801\uc778 \ubb38\uc758\uc5d0\ub294 \uc81c\uc870 \ud30c\uc77c\uacfc \ud568\uaed8 \ud30c\uc77c\ub9cc\uc73c\ub85c\ub294 \uc804\ub2ec\ud560 \uc218 \uc5c6\ub294 \uc791\ub3d9 \uc694\uac74\uc774 \ud3ec\ud568\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"439\" src=\"https:\/\/lead-pcb.com\/wp-content\/uploads\/2026\/07\/pcb-fr-4-laminate-selection-inquiry-workflow.webp\" alt=\"Workflow flowchart from PCB stackup electrical modeling and material selection to vendor inquiry and purchase approval\" class=\"wp-image-23595\" srcset=\"https:\/\/lead-pcb.com\/wp-content\/uploads\/2026\/07\/pcb-fr-4-laminate-selection-inquiry-workflow.webp 1200w, https:\/\/lead-pcb.com\/wp-content\/uploads\/2026\/07\/pcb-fr-4-laminate-selection-inquiry-workflow-300x110.webp 300w, https:\/\/lead-pcb.com\/wp-content\/uploads\/2026\/07\/pcb-fr-4-laminate-selection-inquiry-workflow-1024x375.webp 1024w, https:\/\/lead-pcb.com\/wp-content\/uploads\/2026\/07\/pcb-fr-4-laminate-selection-inquiry-workflow-768x281.webp 768w, https:\/\/lead-pcb.com\/wp-content\/uploads\/2026\/07\/pcb-fr-4-laminate-selection-inquiry-workflow-18x7.webp 18w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>\uc6a9\ub3c4 \ubc0f \ud658\uacbd:<\/strong> \uae30\ub2a5, \uc608\uc0c1 \uae30\ud310 \uc628\ub3c4, \uc2b5\ub3c4, \uc804\uc555 \uc2a4\ud2b8\ub808\uc2a4 \ubc0f \uae30\ub300 \uc0ac\uc6a9 \uc218\uba85.<\/li>\n\n\n\n<li><strong>\uc870\ub9bd \uacf5\uc815 \ub178\ucd9c:<\/strong> \uc608\uc815\ub41c \ub0a9\ub55c \uacf5\uc815, \uc0ac\uc6a9 \uac00\ub2a5\ud55c \ud504\ub85c\ud30c\uc77c \ubc0f \uc608\uc0c1 \uc7ac\uc791\uc5c5.<\/li>\n\n\n\n<li><strong>\uae30\ud310 \uad6c\uc870:<\/strong> \uce35\uc218, \uc644\uc131 \ub450\uaed8 \ubc0f \uacf5\ucc28, \ub3d9\ubc15 \uc694\uad6c\uc0ac\ud56d, \uc81c\uc548\ub41c \uc801\uce35 \uad6c\uc870.<\/li>\n\n\n\n<li><strong>\uc804\uae30\uc801 \ubaa9\ud45c:<\/strong> \uc784\ud53c\ub358\uc2a4 \uac12 \ubc0f \uacf5\ucc28, \ud574\ub2f9 \uc8fc\ud30c\uc218 \ubc94\uc704, \uc911\uc694 \ucc44\ub110 \uae38\uc774, \uc190\uc2e4 \ub610\ub294 \uc9c0\uc5f0 \ud55c\uacc4.<\/li>\n\n\n\n<li><strong>\uc7ac\ub8cc \uc694\uad6c\uc0ac\ud56d:<\/strong> \ud544\uc218 \uc81c\uc870\uc5c5\uccb4\/\uc81c\ud488, \uc801\uc6a9 \uc0ac\uc591 \ubc0f \uac1c\uc815\ud310, \ub610\ub294 \uc7ac\ub8cc \uc120\ud0dd\uc774 \uc790\uc720\ub85c\uc6b4 \uacbd\uc6b0 \uce21\uc815 \uac00\ub2a5\ud55c \uc131\ub2a5 \uae30\uc900.<\/li>\n\n\n\n<li><strong>\uc218\ub77d \uae30\uc900 \ubc0f \ubb38\uc11c\ud654:<\/strong> \ud544\uc694\ud55c \ubb3c\uc131 \ud55c\uacc4, \uc2dc\ud5d8 \ubc29\ubc95, \uc2dc\ud5d8 \uc804\ucc98\ub9ac \uc870\uac74, \uc778\uc99d\uc11c, \ucd94\uc801\uc131 \ubc0f \ud569\uc758\ub41c \uc2dc\ud5d8 \ubcf4\uace0\uc11c.<\/li>\n\n\n\n<li><strong>\ub300\uccb4 \uc7ac\ub8cc \uc815\ucc45:<\/strong> \ub300\uccb4 \uc7ac\ub8cc \ud5c8\uc6a9 \uc5ec\ubd80 \ubc0f \uc2b9\uc778 \ub2f4\ub2f9\uc790.<\/li>\n\n\n\n<li><strong>\uc0c1\uc5c5\uc801 \uc694\uad6c\uc0ac\ud56d:<\/strong> \uc2dc\uc81c\ud488 \ubc0f \uc591\uc0b0 \uc218\ub7c9, \ub0a9\uae30 \ubaa9\ud45c, \uacf5\uae09 \uc9c0\uc18d\uc131 \uc694\uad6c\uc0ac\ud56d.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\uc815\ud655\ud55c \uc7ac\ub8cc\uac00 \uc544\uc9c1 \uacb0\uc815\ub418\uc9c0 \uc54a\uc558\ub2e4\uba74, \uacf5\uae09\uc5c5\uccb4\uc5d0 \uc81c\uc548\ud558\ub294 \uc801\uce35\ud310\uacfc \uad6c\uc131\uc744 \ubc1d\ud788\uace0 \uba85\uc2dc\ub41c \uc694\uad6c\uc0ac\ud56d\uc744 \uc5b4\ub5bb\uac8c \ucda9\uc871\ud558\ub294\uc9c0 \uc124\uba85\ud574 \ub2ec\ub77c\uace0 \uc694\uccad\ud558\uc138\uc694.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc131\ub2a5\uc5d0 \ubbfc\uac10\ud55c \uc791\uc5c5\uc758 \uacbd\uc6b0, \ub2e4\uc74c\uacfc \uac19\uc774 \ubb38\uc758\ud558\uba74 \uc720\uc6a9\ud569\ub2c8\ub2e4:<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\uc81c\uc548\ud558\ub294 \uc801\uce35\ud310\uc758 \uc81c\uc870\uc5c5\uccb4\uc640 \uc81c\ud488, \ucf54\uc5b4 \ubc0f \ud504\ub9ac\ud504\ub808\uadf8 \uad6c\uc131, \uad00\ub828 \ub370\uc774\ud130\uc2dc\ud2b8\uc758 \uac1c\uc815\ud310\uc744 \uc54c\ub824 \uc8fc\uc138\uc694. \uc81c\uacf5\ub41c \uc694\uad6c\uc0ac\ud56d\uacfc \ub2e4\ub978 \uc810\uc774 \uc788\uc73c\uba74 \uba85\uc2dc\ud574 \uc8fc\uc138\uc694. \uc2b9\uc778\ub41c \uc7ac\ub8cc\ub098 \uad6c\uc131\uc744 \ubcc0\uacbd\ud558\uae30 \uc804\uc5d0 \uc11c\uba74\uc73c\ub85c \uc5d4\uc9c0\ub2c8\uc5b4\ub9c1 \uc2b9\uc778\uc744 \ubc1b\uc73c\uc138\uc694.<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">\ubaa9\ud45c\ub294 \uc2e4\uc81c PCB \uc124\uacc4\uc640 \uc5f0\uacc4\ub41c \uc7ac\ub8cc \uc0ac\uc591\uc5d0 \ud569\uc758\ud558\ub294 \uac83\uc785\ub2c8\ub2e4. \uc2a4\ud0dd\uc5c5, \uc81c\uc791 \ud30c\uc77c \ubc0f \uc791\ub3d9 \uc694\uad6c\uc0ac\ud56d\uc744 \ubcf4\ub0b4\uc2e4 \ub54c\ub294 \ub2e4\uc74c \ubb38\uc758 \uc591\uc2dd\uc744 \uc774\uc6a9\ud558\uc138\uc694: <a href=\"https:\/\/lead-pcb.com\/ko\/pcb-manufacturing\/fr-4-pcb\/\" data-type=\"page\" data-id=\"6535\">LEADHUI PCB\uc5d0 FR-4 PCB \ubb38\uc758\ud558\uae30<\/a>.<\/p>","protected":false},"excerpt":{"rendered":"<p>The FR-4 material properties that matter most depend on what your PCB must withstand: electrical signals, assembly heat, operating temperatures, voltage stress, moisture, and mechanical loading. Start with dielectric constant and loss, thermal expansion and stability, insulation performance, and mechanical requirements. FR-4 is a flame-retardant, glass-reinforced epoxy material class. It does not identify one fixed [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":23592,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_seopress_titles_title":"FR-4 Material Properties: A PCB Laminate Selection Guide","_seopress_titles_desc":"Understand FR-4 material properties, compare laminate datasheets, and specify Dk, Tg, CTE, thermal performance, and material requirements for your PCB inquiry.","_seopress_robots_index":"","_seopress_robots_follow":"","_seopress_robots_imageindex":"","_seopress_robots_snippet":"","_seopress_robots_primary_cat":"","_seopress_robots_breadcrumbs":"","_seopress_robots_freeze_modified_date":"","_seopress_robots_custom_modified_date":"","_seopress_robots_canonical":"","_seopress_social_fb_title":"","_seopress_social_fb_desc":"","_seopress_social_fb_img":"","_seopress_social_fb_img_attachment_id":0,"_seopress_social_fb_img_width":0,"_seopress_social_fb_img_height":0,"_seopress_social_twitter_title":"","_seopress_social_twitter_desc":"","_seopress_social_twitter_img":"","_seopress_social_twitter_img_attachment_id":0,"_seopress_social_twitter_img_width":0,"_seopress_social_twitter_img_height":0,"_seopress_redirections_value":"","_seopress_redirections_enabled":"","_seopress_redirections_enabled_regex":"","_seopress_redirections_logged_status":"","_seopress_redirections_param":"","_seopress_redirections_type":0,"_seopress_analysis_target_kw":"","_seopress_news_disabled":"","_seopress_video_disabled":"","_seopress_video":[],"_seopress_pro_schemas_manual":[],"_seopress_pro_rich_snippets_disable_all":"","_seopress_pro_rich_snippets_disable":[],"_seopress_pro_schemas":[],"footnotes":""},"categories":[14,2],"tags":[],"class_list":["post-7918","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-electronic-circuit","category-pcb-design"],"acf":[],"meta_box":[],"_links":{"self":[{"href":"https:\/\/lead-pcb.com\/ko\/wp-json\/wp\/v2\/posts\/7918","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lead-pcb.com\/ko\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lead-pcb.com\/ko\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lead-pcb.com\/ko\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/lead-pcb.com\/ko\/wp-json\/wp\/v2\/comments?post=7918"}],"version-history":[{"count":0,"href":"https:\/\/lead-pcb.com\/ko\/wp-json\/wp\/v2\/posts\/7918\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/lead-pcb.com\/ko\/wp-json\/wp\/v2\/media\/23592"}],"wp:attachment":[{"href":"https:\/\/lead-pcb.com\/ko\/wp-json\/wp\/v2\/media?parent=7918"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lead-pcb.com\/ko\/wp-json\/wp\/v2\/categories?post=7918"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lead-pcb.com\/ko\/wp-json\/wp\/v2\/tags?post=7918"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}