FPC

1.FPC-Cirƙirar Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙaddamarwa da aka yi ta hanyar etching a kan takarda na jan karfe ta amfani da fim din polyester ko polyimide a matsayin substrate don samar da kewaye.

2.Product Halaye: ① Ƙananan girman da nauyin nauyi : saduwa da buƙatun girma, ƙarami, nauyin nauyi, bakin ciki da kuma babban tabbaci na ci gaba; ② Babban sassauci: na iya motsawa da faɗaɗa da yardar kaina a cikin sararin 3D, cimma haɗin haɗin haɗin gwiwa da haɗin waya.

FPC aikace-aikace:

kamara, kyamarar bidiyo, CD-ROM, DVD, rumbun kwamfutarka, kwamfutar tafi-da-gidanka, tarho, wayar hannu, firinta, injin fax, TV, kayan aikin likita, na'urorin lantarki, sararin samaniya da kayayyakin soja.

Dangane da adadin nau'ikan yadudduka, ana iya raba shi zuwa allo mai gefe guda, allon mai gefe biyu da allon multilayer.

allo mai gefe guda : madugu a gefe ɗaya kawai

Allo mai gefe biyu : akwai masu gudanarwa guda 2 a bangarorin biyu, kuma don kafa haɗin wutar lantarki tsakanin masu gudanarwa 2 tare da rami (ta) azaman gada. Ramin rami ƙaramin rami ne da aka yi da jan ƙarfe a bangon ramin wanda za a iya haɗa shi da kewayen bangarorin biyu.

Allo-Layer Multi-Layer : ya ƙunshi yadudduka 3 ko fiye na madugu, tare da madaidaicin shimfidar wuri.

Sai dai allo mai gefe ɗaya, adadin yadudduka na katako gabaɗaya har ma, kamar 2, 4, 6, 8, galibi saboda tsarin tari mai banƙyama yana da asymmetric kuma yana da saurin shiga jirgi. A gefe guda, PCB mai sassauƙa ya bambanta saboda babu matsala ta warping, don haka 3-Layer, 5-Layer, da sauransu.

An ƙera foil ɗin tagulla zuwa Tagulla-Electro-Deposited (ED Copper) da Tagulla Annealed Copper (RA Copper)

1oz ≈ 35um

OZ shine ainihin raka'a na nauyi, daidai da 1/16 fam, kusan 28.35g.

A cikin masana'antar hukumar da'ira, kauri na 1oz jan ƙarfe da aka shimfiɗa a cikin ƙafar ƙafa ɗaya ana bayyana shi azaman 1oz. Don haka wani lokacin abokan ciniki suna neman 28.35g na jan karfe, nan da nan ya kamata mu gane cewa wannan buƙatu ne na 1oz na jan karfe.

Aiki na solder mask: ① surface insulation ② kare da'irar da kuma hana lalacewar da'irar ③ hana conductive abubuwa na waje kasawa cikin da'irar da kuma haifar da gajeren kewaye.

Akwai nau'ikan kayan masarufi iri biyu: tawada da murfin rufewa

Tawada da aka yi amfani da shi don abin rufe fuska gabaɗaya yana ɗaukar hoto kuma ana kiransa hoton hoto mai ƙima, an rage shi azaman LPI. Gabaɗaya ana samunsu cikin kore, baki, fari, ja, rawaya, shuɗi, da sauransu.

Rufe, yawanci ana samunsu cikin rawaya (wasu ana kiransu amber), baki da fari. Baƙar fata yana da kyakkyawan baƙar fata kuma fari yana da babban haske, wanda zai iya maye gurbin farin tawada don alluna masu sassauƙa na baya.

A cikin yanayin allo mai sassauƙa, duka tawada da coerlay ana iya amfani da su don abin rufe fuska. To mene ne kwatankwacin fa'ida da rashin amfanin biyun? Da fatan za a koma ga teburin da ke ƙasa:

Aiki na surface gama shi ne don hana jan karfe surface hadawan abu da iskar shaka, samar da waldi ko bonding Layer.

Yawanci akwai hanyoyin ƙare saman da yawa kamar ƙasa: ƙayyadaddun ƙayyadaddun ƙayyadaddun farfajiya.

OSP: Organic solderability preservatives OSP: 0.2-0.5um

Plating Ni/A Plating Tin:4-20um

ENIG: Electroless Nickel Immersion Zinare ENIG: 0.05-0.1um

Plating Sn/Tin Plating Zinariya:0.1-1um

Immersion Sn/Tin Immersion Tin: 0.3-1.2um

Immersion Ag Immersion Ag: 0.07-0.2um.

Kwatancen farashi: Plating Ni/Au(ENIG)> Immersion Ag> Plating Sn/Tin (Immersion Sn/Tin)> OSP.

Ba kamar katako mai tsauri ba, katako mai sassauƙa ba su da ƙarfi iri ɗaya da ƙarfin injina kamar katako mai ƙarfi, don haka ba za a iya gyara shi da kyau ta screws ko saka ramukan katin ba. Yawancin lokaci, wajibi ne a gyara shi akan na'urar tare da manne mai gefe biyu don hana FPC daga girgiza bayan taro. Bugu da ƙari, ana iya amfani da manne mai gefe biyu don haɗa mai tauri zuwa FPC.

DST (Tape mai-Sided Biyu), kuma aka sani da Manne-Sensitive Adhesive (PSA), manne mai gefe biyu ne da ake amfani da shi don FPC.

Za'a iya raba mannen matsi na mannewa zuwa manne na yau da kullun, manne mai zafi mai zafi, manne mai ɗaukuwa da mannen ɗabi'a na thermal.

Adhesives na yau da kullun sun haɗa da 3M467,3M468, adhesives masu ɗaukar nauyi sun haɗa da 3M9703,3M9713

Thermal conductive adhesives sun hada da 3M8805,3M9882

Babban manne mai zafi yana nufin manne wanda zai iya jure yanayin zafi na SMT na ɗan gajeren lokaci, ana amfani dashi don allunan da ke buƙatar hawan SMT. Abubuwan da aka saba amfani da su sun haɗa da 3M9460,3M9077,3M9079,TESA8853,da sauransu.

Akwai nau'ikan stiffeners da yawa kamar haka:

Bakin Karfe (SS): Wasu abokan ciniki suna nuna SUS akan zane-zanensu, amma a zahiri, wannan stiffener ne. SUS nau'in zanen karfe ne da aka saba amfani dashi.

AL: Aluminum

FR4

Polyimide

Polyester

Electro-Magnetic Interference (EMI) al'amari ne na kowa, musamman a high-mita da'irori, don tabbatar da mutuncin siginar ba tare da murdiya ba, electromagnetic garkuwa wajibi ne.The kayan amfani da electromagnetic garkuwa na FPC yafi hada da azurfa tawada da azurfa film tawada. .

Azurfa tawada abu ne mai kama da manna tare da barbashi na azurfa da guduro. Ana iya buga shi a kan FPC kamar tawada siliki a cikin allo mai tsauri, sannan a gasa a dafe shi. Don hana oxidation na azurfa a cikin iska, ana buga Layer na tawada ko fim mai kariya akan tawada na azurfa don kariya.

An raba gyare-gyaren da aka saba amfani da su zuwa nau'in wuka da karfe. Daidaiton ƙirar wuka yana da ƙasa, tare da haɓakar juriya na kusan +/- 0.3mm. A daidaito na karfe mold ne high, tare da talakawa karfe mold game da +/- 0.1mm da daidai karfe mold har zuwa +/- 0.05mm. Sakamakon farashin gyare-gyaren karfe yana da yawa ko ma sau goma fiye da na wuka.

Knife molds kuma aka sani da kayan aiki masu laushi, da kuma ƙarfe na ƙarfe wanda kuma aka sani da kayan aiki masu wuya.

Yi amfani da kayan bincike na lantarki don cikakken iko akan samfurin don bincika manyan lahani kamar buɗaɗɗe, gajere, da sauransu a cikin kewayen samfur. A cikin matakin samfurin, adadin yana da ɗan ƙaramin ƙarfi, don adana kuɗin buɗe firam ɗin gwaji, ana amfani da bincike mai tashi don gwaji. Koyaya, gwajin binciken tashi yana da ɗan rikitarwa kuma yana ɗaukar lokaci mai tsawo yana haifar da ƙarancin inganci. Sabili da haka, ana yin gwaji ta amfani da firam ɗin gwaji (fixture, jig) yayin samar da taro.

Lalacewar da za a iya samu yayin binciken lantarki sun haɗa da: abu; bude; gajere.

Ya kamata a mai da hankali ga abin da ya faru na lahani yayin binciken lantarki: ɓarke ​​​​a kan sassan ƙarewar saman da ke haifar da binciken binciken lantarki

Gudanar da cikakkiyar dubawa na samfuran da aka gama daidai da ƙa'idodin dubawa

Akwai hanyoyin dubawa da yawa bisa ga buƙatun samfur daban-daban kamar ƙasa:

① dubawa na gani

② duban ƙaramin gani (mafi ƙarancin 10X)

Yafi duba bayyanar, ciki har da scratches, dents, wrinkles, hadawan abu da iskar shaka, blistering, solder mask misalignment, hakowa misalignment, kewaye gibi, saura jan karfe, kasashen waje abubuwa, da dai sauransu.