Rufin tagullayana da ƙarancin iskar oxygen kuma ana iya haɗe shi tare da nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan) ana iya haɗe su, kamar ƙarfe, kayan rufewa. Kuma tagulla foil ne yafi amfani a electromagnetic garkuwa da antistatic. Don sanya murfin jan ƙarfe mai ɗaukar nauyi a kan farfajiyar ƙasa kuma a haɗe shi da ƙarfe na ƙarfe, zai samar da ingantaccen ci gaba da garkuwar lantarki. Ana iya raba shi zuwa: foil ɗin tagulla mai ɗaure kai, foil ɗin tagulla na gefe guda, foil ɗin tagulla na gefe biyu da makamantansu.

A cikin wannan nassi, idan za ku ƙara koyo game da foil na jan karfe a cikin tsarin masana'antar PCB, da fatan za a duba ku karanta abubuwan da ke ƙasa a cikin wannan sashe don ƙarin ilimin ƙwararru.

Menene fasalin foil na jan karfe a masana'antar PCB?

PCB tagulla foilshine farkon kauri na jan karfe da aka yi amfani da shi a waje da ciki na allon PCB multilayer. An ayyana nauyin jan ƙarfe azaman nauyin (a cikin oza) na jan karfe da ke cikin ƙafa ɗaya na yanki. Wannan siga yana nuna gaba ɗaya kauri na jan karfe akan Layer. MADPCB tana amfani da ma'aunin tagulla masu zuwa don ƙirƙira PCB (farantin karfe). An auna ma'aunin nauyi a oz/ft2. Za'a iya zaɓar nauyin jan ƙarfe mai dacewa don dacewa da buƙatun ƙira.

· A PCB masana'antu, da jan karfe foils ne a cikin Rolls, waxanda suke da lantarki sa da tsarki na 99.7%, da kuma kauri na 1/3oz/ft2 (12μm ko 0.47mil) – 2oz/ft2 (70μm ko 2.8mil).

Bakin jan karfe yana da ƙananan iskar oxygen kuma ana iya haɗa shi ta hanyar masana'antun laminate zuwa kayan tushe daban-daban, irin su ƙarfe core, polyimide, FR-4, PTFE da yumbu, don samar da laminates na jan karfe.

Hakanan za'a iya shigar da shi a cikin allon multilayer azaman foil ɗin tagulla da kansa kafin a danna.

A cikin masana'antar PCB ta al'ada, kauri na jan ƙarfe na ƙarshe akan yadudduka na ciki ya rage na foil ɗin tagulla na farko; A kan yadudduka na waje muna yin farantin karin 18-30μm tagulla akan waƙoƙin yayin aikin plating panel.

Tagulla don shimfidar filaye na allunan multilayer yana cikin nau'in foil na tagulla kuma an matse shi tare da prepregs ko cores. Don amfani da microvias a cikin HDI PCB, foil ɗin tagulla yana kan RCC kai tsaye (mai rufin jan ƙarfe).

Me yasa ake buƙatar foil na jan karfe a masana'antar PCB?

Kayan lantarki na jan ƙarfe (tsaftacewa fiye da 99.7%, kauri 5um-105um) ɗaya ne daga cikin mahimman kayan masana'antar lantarki A cikin saurin haɓaka masana'antar bayanan lantarki, amfani da bututun ƙarfe na ƙarfe na ƙarfe yana haɓaka, samfuran ana amfani da su sosai. a cikin lissafin masana'antu, Kayan sadarwa, Kayan aikin QA, baturan lithium-ion, saitunan talabijin na farar hula, masu rikodin bidiyo, 'yan wasan CD, masu kwafi, tarho, kwandishan, na'urorin lantarki na mota, wasan consoles.

Rufin tagulla na masana'antuza a iya raba kashi biyu Categories: birgima jan karfe tsare (RA jan karfe foil) da kuma point jan karfe tsare (ED jan karfe foil), a cikin abin da calendaring jan karfe tsare yana da kyau ductility da sauran halaye, shi ne farkon taushi farantin tsari amfani da Copper foil, yayin da electrolytic jan karfe tsare ne m farashin kera tagulla tsare. Kamar yadda kullun tagulla mai birgima shine mahimman albarkatun ƙasa na katako mai laushi, don haka halaye na kalandar kalandar tagulla da canje-canjen farashin akan masana'antar katako mai laushi suna da wani tasiri.

Menene ainihin ƙa'idodin ƙirar jan ƙarfe a cikin PCB?

Shin kun san cewa allunan da'ira da aka buga suna da yawa a cikin rukunin na'urorin lantarki? Na tabbata daya yana cikin na'urar lantarki da kuke amfani da ita a yanzu. Duk da haka, yin amfani da waɗannan na'urorin lantarki ba tare da fahimtar fasaharsu ba da kuma hanyar ƙira shi ma al'ada ce ta kowa. Mutane suna amfani da na'urorin lantarki kowace sa'a guda amma ba su san yadda suke aiki ba. Don haka ga wasu manyan sassa na PCB waɗanda aka ambata don samun saurin fahimtar yadda allunan da’ira ke aiki.

· Kwamfutar da aka buga shi ne allon filastik mai sauƙi tare da ƙari na gilashi. Ana amfani da foil ɗin tagulla don gano hanyoyin kuma yana ba da damar kwararar caji da sigina a cikin na'urar. Alamun jan ƙarfe shine hanyar samar da wuta ga sassa daban-daban na na'urar lantarki. Maimakon wayoyi, alamun jan karfe suna jagorantar tafiyar da caji a cikin PCBs.

PCBs na iya zama Layer daya da yadudduka biyu kuma. PCB mai layi daya shine masu sauki. Suna da foil ɗin tagulla a gefe ɗaya kuma ɗayan shine ɗakin sauran abubuwan. Yayin kan PCB mai leda biyu, ɓangarorin biyu an kebe su don ɓarnar jan ƙarfe. Mai layi biyu sune rikitattun PCBs masu rikitattun alamomi don kwararar caji. Babu wani bangon tagulla da zai iya ketare juna. Ana buƙatar waɗannan PCB don na'urorin lantarki masu nauyi.

Hakanan akwai nau'ikan siyar da siliki biyu akan PCB tagulla. Ana amfani da abin rufe fuska don bambance launi na PCB. Akwai launuka masu yawa na PCBs kamar su kore, purple, ja, da dai sauransu. Mashin solder shima yana ƙayyadaddun jan karfe daga wasu karafa don fahimtar sarkar haɗin gwiwa. Yayin da siliki shine ɓangaren rubutu na PCB, ana rubuta haruffa da lambobi daban-daban akan siliki don mai amfani da injiniya.

Yadda za a zabi abin da ya dace don takarda tagulla a cikin PCB?

Kamar yadda aka ambata a baya, kuna buƙatar ganin matakin mataki-mataki don fahimtar ƙirar masana'anta na allon da'ira da aka buga. Kayan aikin waɗannan allunan sun ƙunshi yadudduka daban-daban. Bari mu fahimci wannan tare da jerin:

Abun da ke ƙasa:

Tushen tushe akan allon filastik wanda aka tilasta shi tare da gilashi shine madaidaicin. Matsakaicin tsarin dielectric na takarda yawanci ya ƙunshi resin epoxy da takarda gilashi. An ƙirƙira wani yanki ta hanyar da zai iya biyan buƙatun misali yanayin canjin yanayi (TG).

Lamination:

Kamar yadda a bayyane yake daga sunan, lamination kuma hanya ce don samun kaddarorin da ake buƙata kamar haɓakar thermal, ƙarfin ƙarfi, da zafin canji (TG). Ana yin lamination a ƙarƙashin matsin lamba. Lamination da substrate tare suna taka muhimmiyar rawa a kwararar cajin lantarki a cikin PCB.