Gasar PCB Manufacturer

Babban Tg Board mai sauri multilayer tare da zinare na nutsewa don modem

Takaitaccen Bayani:

Nau'in kayan abu: FR4 Tg170

Adadin Layer: 4

Nisa / sarari: mil 6

Min rami: 0.30mm

Ƙarshen allon kauri: 2.0mm

Ƙarshen kauri na jan karfe: 35um

Saukewa: ENIG

Launin abin rufe fuska mai solder: kore"

Lokacin jagora: kwanaki 12


Cikakken Bayani

Tags samfurin

Nau'in kayan abu: FR4 Tg170

Adadin Layer: 4

Nisa / sarari: mil 6

Min rami: 0.30mm

Ƙarshen allon kauri: 2.0mm

Ƙarshen kauri na jan karfe: 35um

Saukewa: ENIG

Launin abin rufe fuska mai solder: kore``

Lokacin jagora: kwanaki 12

High Tg board

Lokacin da zazzabi na high Tg kewaye hukumar ya tashi zuwa wani yanki, da substrate zai canza daga "glass jihar" zuwa "rubber jihar", da kuma yawan zafin jiki a wannan lokaci ake kira da gilashin canji zafin jiki (Tg) na farantin.A wasu kalmomi, Tg shine mafi girman zafin jiki (℃) wanda substrate ya kasance m.Wato, talakawa PCB substrate abu a high zafin jiki ba kawai samar softening, nakasawa, narkewa da sauran al'amura, amma kuma ya nuna wani kaifi ƙi a inji da lantarki Properties (Ba na tsammanin kana so ka ga kayayyakin su bayyana wannan harka). ).

Janar Tg faranti sun fi digiri 130, babban Tg gabaɗaya ya fi digiri 170, kuma matsakaicin Tg yana kusan fiye da digiri 150.

Yawancin lokaci, PCB tare da Tg≥170 ℃ ana kiran shi babban Tg kewaye hukumar.

Tg na substrate yana ƙaruwa, kuma za a inganta juriya na zafi, juriya na danshi, juriya na sinadarai, juriya da sauran halaye na allon kewayawa.Mafi girman ƙimar TG shine, mafi kyawun aikin juriya na zafin jiki na farantin zai kasance.Musamman a cikin tsari mara gubar, ana amfani da babban TG sau da yawa.

High Tg yana nufin juriya mai zafi.Tare da saurin haɓaka masana'antar lantarki, musamman samfuran lantarki waɗanda ke wakilta ta kwamfutoci, zuwa haɓaka babban aiki, babban multilayer, buƙatar PCB substrate abu mafi girman juriya mai zafi azaman garanti mai mahimmanci.Fitowar da haɓaka fasahar shigarwa mai yawa da SMT da CMT ke wakilta ya sa PCB ya fi dogaro da goyan bayan juriya mai zafi na substrate cikin sharuddan ƙaramin buɗe ido, wayoyi masu kyau da nau'in bakin ciki.

Saboda haka, da bambanci tsakanin talakawa FR-4 da high-TG FR-4 shi ne cewa a cikin thermal jihar, musamman bayan hygroscopic da mai tsanani, da inji ƙarfi, girma da kwanciyar hankali, mannewa, ruwa sha, thermal bazuwa, thermal fadada da sauran yanayi. kayan sun bambanta.Haɓaka samfuran Tg a bayyane sun fi kayan aikin PCB na yau da kullun.A cikin 'yan shekarun nan, adadin abokan ciniki da ke buƙatar babban allon kewayawa na Tg ya karu kowace shekara.


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