{"id":11427,"date":"2026-04-09T13:20:15","date_gmt":"2026-04-09T13:20:15","guid":{"rendered":"https:\/\/jinhaiharness.com\/?p=11427"},"modified":"2026-04-08T13:32:48","modified_gmt":"2026-04-08T13:32:48","slug":"bang-kapton","status":"publish","type":"post","link":"https:\/\/jinhaiharness.com\/vi\/kapton-tape","title":{"rendered":"B\u0103ng Kapton: H\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n v\u1ec1 ph\u00e2n t\u00edch v\u00e0 l\u1ef1a ch\u1ecdn"},"content":{"rendered":"

 <\/p>\n

\"B\u0103ng<\/p>\n

Ch\u01b0\u01a1ng 1: B\u0103ng Kapton l\u00e0 g\u00ec?<\/h2>\n

T\u1ed5ng quan v\u1ec1 s\u1ea3n ph\u1ea9m\uff1a<\/h3>\n

Kapton<\/a> B\u0103ng keo n\u00e0y l\u00e0 lo\u1ea1i b\u0103ng keo composite hi\u1ec7u su\u1ea5t cao \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t b\u1eb1ng c\u00e1ch ph\u1ee7 m\u1ed9t l\u1edbp keo d\u00ednh nh\u1ea1y \u00e1p l\u1ef1c \u0111\u1eb7c bi\u1ec7t l\u00ean n\u1ec1n polyimide. M\u00e0ng polyimide c\u00f3 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh nhi\u1ec7t tuy\u1ec7t v\u1eddi, \u0111\u1ed9 b\u1ec1n \u0111i\u1ec7n m\u00f4i cao v\u00e0 \u0111\u1eb7c t\u00ednh tho\u00e1t kh\u00ed th\u1ea5p. B\u1ea3n th\u00e2n ch\u1ea5t n\u1ec1n c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c nhi\u1ec7t \u0111\u1ed9 li\u00ean t\u1ee5c t\u1eeb -73\u00b0C \u0111\u1ebfn 260\u00b0C, v\u1edbi nhi\u1ec7t \u0111\u1ed9 \u0111\u1ec9nh ng\u1eafn h\u1ea1n v\u01b0\u1ee3t qu\u00e1 300\u00b0C. V\u1edbi \u0111\u1ed9 d\u00e0y ti\u00eau bi\u1ec3u t\u1eeb 0,025 mm \u0111\u1ebfn 0,075 mm, \u0111\u00e2y l\u00e0 m\u1ed9t trong nh\u1eefng v\u1eadt li\u1ec7u c\u00e1ch \u0111i\u1ec7n m\u1ecfng nh\u1ea5t trong ng\u00e0nh.<\/p>\n

Gi\u00e1 tr\u1ecb c\u1ed1t l\u00f5i:<\/h3>\n

B\u0103ng Kapton<\/a> \u0111\u00e3 thi\u1ebft l\u1eadp ti\u00eau chu\u1ea9n ng\u00e0nh tr\u00ean ba kh\u00eda c\u1ea1nh c\u1ed1t l\u00f5i: \u201ckh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t \u0111\u1ed9 cao, \u0111\u1ed9 tin c\u1eady v\u1ec1 c\u00e1ch \u0111i\u1ec7n v\u00e0 kh\u1ea3 n\u0103ng th\u00e1o g\u1ee1 kh\u00f4ng \u0111\u1ec3 l\u1ea1i c\u1eb7n b\u00e3\u201d. Trong khi c\u00e1c lo\u1ea1i b\u0103ng d\u00ednh truy\u1ec1n th\u1ed1ng kh\u00f4ng \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u trong m\u00f4i tr\u01b0\u1eddng h\u00e0n n\u00f3ng ch\u1ea3y \u1edf nhi\u1ec7t \u0111\u1ed9 cao ho\u1eb7c l\u00e0m s\u1ea1ch b\u1eb1ng h\u00f3a ch\u1ea5t, b\u0103ng d\u00ednh Kapton v\u1eabn duy tr\u00ec hi\u1ec7u su\u1ea5t \u1ed5n \u0111\u1ecbnh v\u00e0 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u00e1o g\u1ee1 m\u00e0 kh\u00f4ng \u0111\u1ec3 l\u1ea1i b\u1ea5t k\u1ef3 c\u1eb7n b\u00e3 n\u00e0o sau khi qu\u00e1 tr\u00ecnh ho\u00e0n t\u1ea5t, \u0111\u1ea3m b\u1ea3o tu\u00e2n th\u1ee7 c\u00e1c y\u00eau c\u1ea7u v\u1ec1 quy tr\u00ecnh s\u1ea1ch.<\/p>\n

T\u1ed5ng quan v\u1ec1 c\u00e1c t\u00ednh n\u0103ng ch\u00ednh<\/p>\n\n\n\n\n\n\n\n\n\n
Th\u00f4ng s\u1ed1 hi\u1ec7u su\u1ea5t<\/td>\nGi\u00e1 tr\u1ecb \u0111i\u1ec3n h\u00ecnh<\/td>\nM\u00f4 t\u1ea3<\/td>\n<\/tr>\n
Nhi\u1ec7t \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng li\u00ean t\u1ee5c<\/td>\n-73\u00b0C \u0111\u1ebfn 260\u00b0C (-100\u00b0F \u0111\u1ebfn 500\u00b0F)<\/td>\n\u0110\u1ed9 \u1ed5n \u0111\u1ecbnh nhi\u1ec7t c\u1ee7a ch\u1ea5t n\u1ec1n r\u1ea5t t\u1ed1t<\/td>\n<\/tr>\n
Nhi\u1ec7t \u0111\u1ed9 cao nh\u1ea5t trong ng\u1eafn h\u1ea1n<\/td>\nH\u01a1n 300\u00b0C<\/td>\nTh\u00edch h\u1ee3p cho c\u00e1c quy tr\u00ecnh nh\u01b0 h\u00e0n n\u00f3ng ch\u1ea3y<\/td>\n<\/tr>\n
\u0110\u1ed9 b\u1ec1n \u0111i\u1ec7n m\u00f4i<\/td>\n6.500 V \u0111\u1ebfn 10.000 V<\/td>\nT\u00f9y thu\u1ed9c v\u00e0o \u0111\u1ed9 d\u00e0y; \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u ch\u1ee9ng nh\u1eadn UL<\/td>\n<\/tr>\n
\u0110\u1ed9 b\u1ec1n k\u00e9o<\/td>\n33 lb\/in (kho\u1ea3ng 46 N\/cm)<\/td>\nL\u1ef1c gi\u1eef \u0111\u1ee7 m\u1ea1nh<\/td>\n<\/tr>\n
C\u1ea5p \u0111\u1ed9 ch\u1ed1ng ch\u00e1y<\/td>\n\u0110\u01b0\u1ee3c ch\u1ee9ng nh\u1eadn theo ti\u00eau chu\u1ea9n UL 510<\/td>\nTu\u00e2n th\u1ee7 c\u00e1c ti\u00eau chu\u1ea9n an to\u00e0n \u0111i\u1ec7n<\/td>\n<\/tr>\n
T\u1ed1c \u0111\u1ed9 tho\u00e1t kh\u00ed<\/td>\nR\u1ea5t th\u1ea5p<\/td>\nTh\u00edch h\u1ee3p cho m\u00f4i tr\u01b0\u1eddng ch\u00e2n kh\u00f4ng<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Ch\u01b0\u01a1ng 2: Nh\u1eefng l\u1ee3i \u00edch khi ch\u1ecdn b\u0103ng Kapton<\/h2>\n

Ph\u00e2n t\u00edch v\u1eadt li\u1ec7u\uff1a<\/h3>\n

Nh\u1eefng \u01b0u \u0111i\u1ec3m c\u1ed1t l\u00f5i c\u1ee7a b\u0103ng Kapton xu\u1ea5t ph\u00e1t t\u1eeb c\u1ea5u tr\u00fac c\u00f3 n\u0103ng l\u01b0\u1ee3ng li\u00ean k\u1ebft cao c\u1ee7a c\u00e1c chu\u1ed7i ph\u00e2n t\u1eed polyimide. C\u1ea5u tr\u00fac n\u00e0y mang l\u1ea1i cho v\u1eadt li\u1ec7u n\u1ec1n ba \u0111\u1eb7c t\u00ednh ch\u00ednh: duy tr\u00ec t\u00ednh to\u00e0n v\u1eb9n v\u1eadt l\u00fd m\u00e0 kh\u00f4ng b\u1ecb ch\u1ea3y \u1edf nhi\u1ec7t \u0111\u1ed9 cao li\u00ean t\u1ee5c 260\u00b0C; \u0111i\u1ec7n tr\u1edf su\u1ea5t th\u1ec3 t\u00edch cao t\u1edbi 10\u00b9\u2076 \u0111\u1ebfn 10\u00b9\u2077 \u03a9\u00b7cm; v\u00e0 h\u1eb1ng s\u1ed1 \u0111i\u1ec7n m\u00f4i \u1ed5n \u0111\u1ecbnh \u1edf m\u1ee9c 3,4 \u0111\u1ebfn 3,6 (1 MHz); c\u0169ng nh\u01b0 kh\u1ea3 n\u0103ng ch\u1ed1ng dung m\u00f4i v\u00e0 ch\u1ed1ng \u0103n m\u00f2n h\u00f3a h\u1ecdc tuy\u1ec7t v\u1eddi.<\/p>\n

Keo d\u00ednh nh\u1ea1y \u00e1p l\u1ef1c silicon (Silicone PSA) k\u1ebft h\u1ee3p v\u1edbi ch\u1ea5t n\u1ec1n polyimide gi\u00fap \u0111\u1ea3m b\u1ea3o b\u0103ng d\u00ednh duy tr\u00ec \u0111\u1ed9 b\u00e1m d\u00ednh \u1edf nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 kh\u00f4ng \u0111\u1ec3 l\u1ea1i c\u1eb7n khi g\u1ee1 b\u1ecf. B\u0103ng d\u00ednh Kapton c\u00f2n c\u00f3 t\u00ednh t\u1ef1 d\u1eadp t\u1eaft; ngay c\u1ea3 khi b\u1ecb b\u1eaft l\u1eeda, n\u00f3 c\u0169ng nhanh ch\u00f3ng t\u1ef1 d\u1eadp t\u1eaft v\u00e0 ch\u1ec9 b\u1ecb ch\u00e1y x\u00e9m b\u1ec1 m\u1eb7t, khi\u1ebfn s\u1ea3n ph\u1ea9m n\u00e0y an to\u00e0n h\u01a1n nhi\u1ec1u so v\u1edbi c\u00e1c s\u1ea3n ph\u1ea9m thay th\u1ebf kh\u00e1c.<\/p>\n

B\u0103ng Kapton c\u00f3 nh\u1eefng \u01b0u \u0111i\u1ec3m g\u00ec so v\u1edbi c\u00e1c lo\u1ea1i b\u0103ng th\u00f4ng th\u01b0\u1eddng? Nh\u01b0 \u0111\u01b0\u1ee3c tr\u00ecnh b\u00e0y trong b\u1ea3ng d\u01b0\u1edbi \u0111\u00e2y:<\/h3>\n\n\n\n\n\n\n\n\n\n\n\n
Th\u00f4ng s\u1ed1 hi\u1ec7u su\u1ea5t<\/td>\nKapton (Polyimide\/PI)<\/td>\nB\u0103ng d\u00ednh PVC<\/td>\nB\u0103ng keo c\u00f3 l\u1edbp l\u00f3t v\u1ea3i PET<\/td>\n<\/tr>\n
Nhi\u1ec7t \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng trong th\u1eddi gian d\u00e0i<\/td>\n220\u2013260\u00b0C<\/td>\n\u226480\u00b0C<\/td>\n80\u2013120\u00b0C<\/td>\n<\/tr>\n
Nhi\u1ec7t \u0111\u1ed9 cao nh\u1ea5t trong ng\u1eafn h\u1ea1n<\/td>\nTr\u00ean 300\u00b0C<\/td>\n100\u2013130\u00b0C<\/td>\n150\u2013200\u00b0C<\/td>\n<\/tr>\n
\u0110i\u1ec7n tr\u1edf th\u1ec3 t\u00edch (\u03a9\u00b7cm)<\/td>\n10\u00b9\u2076\u201310\u00b9\u2077<\/td>\n10\u00b9\u00b2\u201310\u00b9\u2074<\/td>\n10\u00b9\u2074\u201310\u00b9\u2075<\/td>\n<\/tr>\n
\u0110\u1ed9 b\u1ec1n \u0111i\u1ec7n m\u00f4i (kV\/mm)<\/td>\n100\u2013300<\/td>\n20\u201350<\/td>\n50\u2013100<\/td>\n<\/tr>\n
\u00a0C\u1ea5p \u0111\u1ed9 ch\u1ed1ng ch\u00e1y<\/td>\n\u0110\u01b0\u1ee3c ch\u1ee9ng nh\u1eadn theo ti\u00eau chu\u1ea9n UL 510<\/td>\nCh\u1ea5t ch\u1ed1ng ch\u00e1y (lo\u1ea1i th\u1ea5p)<\/td>\nC\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u00e1y m\u1ed9t ph\u1ea7n<\/td>\n<\/tr>\n
\u00a0Kh\u1ea3 n\u0103ng ch\u1ed1ng h\u00f3a ch\u1ea5t<\/td>\nTuy\u1ec7t v\u1eddi (ch\u1ed1ng axit v\u00e0 dung m\u00f4i)<\/td>\nC\u00f4ng b\u1eb1ng<\/td>\nT\u1ed1t<\/td>\n<\/tr>\n
\u00a0Kh\u00f4ng \u0111\u1ec3 l\u1ea1i c\u1eb7n \u1edf nhi\u1ec7t \u0111\u1ed9 cao<\/td>\nC\u00f3<\/td>\nKh\u00f4ng (Kh\u00f4ng c\u00f3 d\u01b0 l\u01b0\u1ee3ng \u0111\u00e1ng k\u1ec3)<\/td>\n\u00c1p d\u1ee5ng cho m\u1ed9t s\u1ed1 s\u1ea3n ph\u1ea9m<\/td>\n<\/tr>\n
M\u1ee9c chi ph\u00ed<\/td>\nCao<\/td>\nTh\u1ea5p<\/td>\nTrung b\u00ecnh<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n

Ch\u01b0\u01a1ng 3: L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 ch\u1ecdn b\u0103ng Kapton ph\u00f9 h\u1ee3p?<\/h2>\n

C\u00e1c th\u00f4ng s\u1ed1 ch\u00ednh:<\/h3>\n