Gabatarwar samfur

Kwamitin da'ira mai sassauƙa (FPC), wanda kuma aka sani da madaidaicin allon kewayawa, allon kewayawa, nauyi mai sauƙi, kauri na bakin ciki, lankwasawa da nadawa kyauta da sauran kyawawan halaye ana fifita su. Koyaya, binciken ingancin gida na FPC ya dogara ne akan binciken gani da hannu, wanda yake da tsada da ƙarancin inganci. Tare da saurin bunƙasa masana'antar lantarki, ƙirar allon kewayawa yana ƙara haɓaka daidaitattun daidaito da ƙima, kuma hanyar ganowa ta gargajiya ta zamani ba za ta iya biyan buƙatun samarwa ba, kuma gano ta atomatik na lahani na FPC ya zama makawa. yanayin ci gaban masana'antu.

Flexible circuit (FPC) fasaha ce da Amurka ta ƙera don haɓaka fasahar roka a sararin samaniya a shekarun 1970. Yana da da'irar da aka buga tare da babban aminci da kuma kyakkyawan sassaucin da aka yi da fim din polyester ko polyimide a matsayin substrate. Ta hanyar haɗa ƙirar da'irar a kan takardar filastik na bakin ciki mai sassauƙa, adadi mai yawa na ainihin abubuwan da aka haɗa a cikin kunkuntar wuri mai iyaka. Don haka samar da da'ira mai sassauƙa mai sassauƙa. Ana iya lankwasa wannan da'irar kuma a ninka yadda ake so, nauyi mai sauƙi, ƙananan ƙananan, zafi mai kyau, shigarwa mai sauƙi, karya ta hanyar fasahar haɗin gwiwar gargajiya. A cikin tsarin da'irar mai sassauƙa, kayan da aka haɗa sune fim ɗin insulating, jagora da wakili na haɗin gwiwa.

Abun da ke ciki 1, fim ɗin rufewa

Fim ɗin insulating yana samar da tushe mai tushe na kewaye, kuma mannen yana ɗaure foil ɗin tagulla zuwa rufin insulating. A cikin zane-zane mai yawa, sannan an haɗa shi zuwa Layer na ciki. Ana kuma amfani da su azaman abin rufe fuska don kare kewaye daga ƙura da danshi, da kuma rage damuwa yayin lanƙwasa, foil ɗin tagulla yana samar da Layer mai ɗaukar hoto.

A cikin wasu sassa masu sassauƙa, ana amfani da ƙaƙƙarfan abubuwan da aka kirkira ta aluminum ko bakin karfe, waɗanda zasu iya samar da kwanciyar hankali mai girma, ba da tallafi ta jiki don sanya abubuwan haɗin gwiwa da wayoyi, da sakin damuwa. Manne yana ɗaure madaidaicin sashi zuwa da'ira mai sassauƙa. Bugu da ƙari, ana amfani da wani abu a wasu lokuta a cikin sassa masu sassauƙa, wanda shine maɗaukakin maɗaukaki, wanda aka kafa ta hanyar rufe bangarorin biyu na fim din da aka rufe tare da manne. Laminates masu mannewa suna ba da kariya ga muhalli da kayan lantarki na lantarki, da kuma ikon kawar da fim din bakin ciki guda ɗaya, da kuma ikon haɗa nau'i-nau'i masu yawa tare da ƙananan yadudduka.

Akwai nau'ikan kayan fim masu rufewa da yawa, amma mafi yawan amfani da su sune kayan polyimide da polyester. Kusan kashi 80% na duk masana'antun da'ira masu sassauƙa a Amurka suna amfani da kayan fim na polyimide, kuma kusan kashi 20% suna amfani da kayan fim na polyester. Polyimide kayan suna da flammability, barga geometrical girma da kuma yana da high hawaye ƙarfi, kuma suna da ikon yin tsayayya da waldi zafin jiki, polyester, kuma aka sani da polyethylene biyu phthalates (Polyethyleneterephthalate ake magana a kai a matsayin: PET), wanda jiki Properties ne kama da polyimides. yana da ƙananan dielectric akai-akai, yana ɗaukar danshi kaɗan, amma baya jurewa ga yanayin zafi. Polyester yana da wurin narkewa na 250 ° C da zafin canjin gilashin (Tg) na 80 ° C, wanda ke iyakance amfani da su a aikace-aikacen da ke buƙatar walƙiya mai faɗi. A cikin ƙananan aikace-aikacen zafin jiki, suna nuna rashin ƙarfi. Duk da haka, sun dace don amfani da su a cikin samfura irin su tarho da sauran waɗanda ba sa buƙatar fallasa ga mummuna yanayi. Polyimide insulating film yawanci ana hade tare da polyimide ko acrylic m, polyester insulating abu ne gaba daya hade da polyester m. Amfanin haɗuwa tare da kayan aiki tare da halaye iri ɗaya na iya samun kwanciyar hankali na girma bayan bushewar waldi ko bayan hawan laminating da yawa. Sauran mahimman kaddarorin a cikin adhesives sune ƙarancin dielectric akai-akai, juriya mai ƙarfi, babban yanayin canjin gilashi da ƙarancin ɗanɗano.

2. Shugaba

Rufin jan ƙarfe ya dace don amfani a cikin sassa masu sassauƙa, yana iya zama Electrodeposited (ED), ko plated. Bakin tagulla tare da saka wutar lantarki yana da fili mai sheki a gefe guda, yayin da saman ɗayan gefen kuma ya dushe. Abu ne mai sassauƙa wanda za'a iya yin shi cikin kauri da faɗin yawa, kuma gefen maras ban sha'awa na ED ɗin tagulla yana sau da yawa ana kula da shi musamman don haɓaka ƙarfin haɗin gwiwa. Baya ga sassaucin sa, foil ɗin jan ƙarfe na jabu shima yana da halaye na wuya da santsi, wanda ya dace da aikace-aikacen da ke buƙatar lanƙwasawa mai ƙarfi.

3. M

Bugu da ƙari, ana amfani da shi don haɗa fim ɗin da ke rufewa zuwa kayan aiki, ana iya amfani da manne a matsayin abin rufewa, a matsayin mai kariya, da kuma abin rufewa. Babban bambanci tsakanin su biyun ya ta'allaka ne a cikin aikace-aikacen da aka yi amfani da su, inda abin da aka haɗa shi da fim ɗin rufewa shine ƙirƙirar da'ira da aka gina. Fasahar buga allo da aka yi amfani da ita don rufe abin da ake amfani da shi. Ba duk laminates sun ƙunshi adhesives ba, kuma laminates ba tare da adhesives ba suna haifar da ƙananan da'irori da mafi girman sassauci. Idan aka kwatanta da tsarin laminated bisa ga manne, yana da mafi kyawun halayen thermal. Saboda tsarin bakin ciki na da'ira mai sassaucin ra'ayi, kuma saboda kawar da juriya na thermal na manne, don haka inganta yanayin zafi, ana iya amfani da shi a cikin yanayin aiki inda mai sassauƙa mai sassauƙa dangane da tsarin laminated. ba za a iya amfani da.

Maganin haihuwa

A cikin tsarin samarwa, don hana buɗe gajeriyar kewayawa da yawa da haifar da ƙarancin yawan amfanin ƙasa ko rage hakowa, calender, yankewa da sauran matsalolin aiwatar da ƙayyadaddun tsari wanda ya haifar da rarrabuwar kwamitin FPC, matsalolin sake cikawa, da kimanta yadda za a zaɓi kayan don cimma mafi kyau. sakamakon amfani da abokin ciniki mai sassauƙan allon kewayawa, pre-jiyya yana da mahimmanci musamman.

Kafin magani, akwai abubuwa guda uku da ya kamata a magance su, kuma waɗannan abubuwa guda uku injiniyoyi sun kammala su. Na farko shi ne tantance injiniyoyin hukumar FPC, musamman don tantance ko za a iya samar da hukumar FPC na abokin ciniki, ko karfin samar da kamfani zai iya biyan bukatun hukumar kwastomomi da kudin naúrar; Idan an ƙaddamar da kimanta aikin, mataki na gaba shine shirya kayan aiki nan da nan don saduwa da samar da albarkatun kasa don kowane haɗin samar. A ƙarshe, injiniyan ya kamata: Zane-zane na CAD na abokin ciniki, bayanan layin gerber da sauran takaddun injiniya ana sarrafa su don dacewa da yanayin samarwa da ƙayyadaddun kayan aikin samarwa, sannan zane-zane da MI (katin aikin injiniya) da sauran kayan. aika zuwa sashen samarwa, sarrafa takardu, sayayya da sauran sassan don shigar da tsarin samar da yau da kullun.

Tsarin samarwa

Tsarin bangarori biyu

Budewa → hakowa → PTH → electroplating → pretreatment → bushe fim shafi → alignment → Exposure → Ci gaba → Graphic plating → defilm → Pretreatment → Dry film shafi → alignment bayyanar → Ci gaba → etching → defilm → Surface jiyya → murfin fim → latsawa nickel plating → buga hali → yankan → Auna wutar lantarki → bugawa → Dubawa ta ƙarshe → Marufi → jigilar kaya

Tsarin panel guda ɗaya

Budewa → hakowa → manne bushe fim → daidaitawa → Bayyanawa → haɓakawa → etching → cire fim → Maganin saman → fim ɗin shafa → latsa → warkewa → gyaran fuska → plating nickel → bugun hali Jirgin ruwa