ThePCB kewaye allonsau da yawa muna ganin suna da launuka da yawa.A zahiri, waɗannan launukan duk ana yin su ta hanyar bugu daban-daban na PCB solder resist inks.Common launuka a PCB kewaye hukumar solder resist inks ne kore, baki, ja, blue, fari, rawaya, da dai sauransu. Mutane da yawa ne m, menene bambanci tsakanin wadannan kewaye allon na daban-daban launuka?
Ko da’irar da ke kan na’urar lantarki, da uwayen wayar hannu ko kuma uwa-uba na kwamfuta, duk suna amfani da allunan da’ira na PCB.Ta fuskar bayyanar, allunan da'ira na PCB suna da launuka daban-daban, kore sun fi yawa, sannan kuma shuɗi, ja, baki, fari da sauransu.
Alloli masu lamba ɗaya suna aiki iri ɗaya ko da wane launi ne.Allolin launuka daban-daban suna nuna launuka daban-daban na tawada da aka yi amfani da su.Babban aikin solder resist tawada shine sanya shi a kan Layer resist Layer don rufe wayoyi don rufewa da kuma hana gajeriyar kewayawa.Ana ganin Green sau da yawa, saboda ana amfani da kowa da kowa don yin amfani da koren solder resist tawada don yin allon kewayawa, kuma masana'antun da ke yin tsayayya da tawada gabaɗaya suna samar da ƙarin koren mai, kuma farashin zai yi ƙasa da tawada sauran launuka., kusan duka a hannun jari.Tabbas, wasu abokan ciniki kuma za su buƙaci wasu launuka, irin su baki, ja, rawaya, da sauransu, waɗanda ke buƙatar bugu da tawada masu juriya na wasu launuka.
Tawada akan allon da'ira na PCB, gabaɗaya magana, ko da wane launi mai siyar da tawada yake, tasirinsa bai bambanta ba.Babban dalilin shine bambancin hangen nesa.Sai dai an yi amfani da farar fata akan ma'aunin aluminum da hasken baya, za a sami ɗan bambanci a cikin hasken haske, kuma ana amfani da wasu launuka don siyar da kariya.
Ana buga tawada masu siyar da launuka daban-daban akan allon kewayawa.Kodayake babu bambanci sosai a cikin aiki, har yanzu akwai ƴan bambance-bambance.Da farko, ya dubi daban.A hankali, Ina jin cewa baki da shuɗi sun fi tsayi, kuma buƙatun za su kasance mafi girma.Koyaya, allunan da'ira da ke amfani da tawada koren solder sun yi yawa, don haka suna jin na yau da kullun.Yawancin allo mai gefe guda suna amfani da tawada juriya mai kore.Idan aka kwatanta da baƙar fata, ba shi da sauƙi don ganin tsarin layi, kuma aikin rufewa zai fi kyau, wanda zai iya hana takwarorinsu daga kwafin allon zuwa wani matsayi.Fari yana nuna haske da kyau kuma ana amfani dashi gabaɗaya don haskakawa ko kunna baya.
Mai siyar da tawada da ake amfani da ita a yawancin allunan da'ira kore ne, kuma abin da ake siyar da tawada da ake amfani da shi a allunan eriya masu sassaucin ra'ayi na wayar hannu galibi baki ne da fari.Allon kebul da allon ƙirar kyamara galibi suna amfani da tawada mai siyar rawaya, kuma allon tsiri mai haske yana amfani da farin ko matte farin solder resist tawada.
Gabaɗaya magana, launin solder juriya tawada da aka yi amfani da shi akan PCB galibi ya dogara ne akan buƙatun abokan ciniki na masana'antar hukumar kewaye.Fitar da fim din.A kan allunan kewayawa masu sassauƙa, farin solder juriya tawada ba su da juriya ga lankwasawa fiye da sauran launuka.
Har ila yau, akwai wasu tawada masu juriya a kan allunan da'ira masu launuka na musamman.Yawancin ƙera tawada na wannan launi na musamman masana'antun tawada ne suka ƙirƙira su, wasu kuma ana haɗe su da tawada masu juriya guda biyu a daidai gwargwado.Haɗa shi (a cikin wasu manyan masana'antun hukumar da'ira, masanan mai a ciki na iya canza shi)
Komai abin da launi PCB solder tsayayya tawada ne, dole ne ya sami mai kyau printability da ƙuduri, don saduwa da masana'anta ta allo bugu bukatun da samar da bukatun.
Lokacin aikawa: Mayu-19-2023