10 Layer ENIG FR4 Tg150 PCB
Kiʻekiʻe Tg PCB
ʻO ke aniani Transition Temperature (Tg) kekahi o nā waiwai koʻikoʻi o kēlā me kēia epoxy a ʻo ia ka ʻāina wela kahi e hoʻololi ai ka polymer mai ka mea paʻakikī, aniani a hiki i kahi mea palupalu a pulu.
Ke hiki aku ka mahana hana i ka helu heheʻe, ʻo ia hoʻi, ʻoi aku ka mahana ma mua o ka waiwai Tg, e hoʻololi ʻia ke kūlana o nā mea PCB mai ke aniani a hiki i ka wai, kahi e hoʻopili ai i ka hana o PCB.A pili kēia waiwai i ka paʻa o ka nui PCB.
E like me ka mea maʻamau, i hana ʻia me Tg ≥ 170 ℃ PCB mea, i kapa ʻia he Tg kiʻekiʻe i paʻi ʻia ka papa kaapuni.Me ka hoʻomohala wikiwiki ʻana o ka ʻoihana uila, hoʻohana nui ʻia nā mea Tg kiʻekiʻe i nā kamepiula, nā lako kamaʻilio, nā mea kikoʻī, a me nā mea hana, etc.
Pehea e hoʻokaʻawale ai i nā mea PCB Tg kiʻekiʻe
Nā mea waiwai | Tg | Mot |
ʻO ka maʻamau Tg | 130 ℃ | 110 |
Medium Tg | 150 ℃ | 130 |
Kiekie Tg | 170 ℃ | 150 |
polyimide-Ultra kiʻekiʻe Tg | 260 ℃ | 240 |
Noi o High Tg PCB
ʻO ke kiʻekiʻe o Tg, ʻoi aku ka maikaʻi o ka hana ʻana o ka PCB heat resistance, moisture resistance, chemical resistance, stability a me nā ʻano ʻē aʻe.