Daga PCB Duniya,
Mutane da yawa suna amfani da launi na PCB don bambanta ingancin allon.A zahiri, launin motherboard ba shi da alaƙa da aikin PCB.
PCB Board, ba cewa mafi girma da darajar, da sauki shi ne don amfani.
Launin saman PCB shine ainihin launi na tsayayyar solder.Juriya na solder na iya hana faruwar siyar da abubuwan da ba daidai ba, da jinkirta rayuwar sabis na na'urar, da hana iskar shaka da lalata da'irar na'urar.
Idan kun fahimci allon PCB na manyan kamfanoni irin su Huawei da ZTE, za ku ga cewa launi gabaɗaya kore ne.Wannan saboda fasahar kore ita ce mafi girma da sauƙi.
Bugu da kari ga kore, da launi na PCB za a iya bayyana a matsayin "karrarawa da whistles": fari, rawaya, ja, blue, matte launuka, har ma da chrysanthemum, purple, baki, haske kore, da dai sauransu kasancewar farin, domin shi wajibi ne don yin samfuran haske Launukan da aka yi amfani da su, da kuma amfani da wasu launuka, galibi don yin lakabin samfuran.A cikin dukkan matakin kamfanin daga R&D zuwa saukowa samfurin, ya danganta da amfani da PCB daban-daban, allon gwaji na iya zama shuɗi, allon maɓalli zai zama ja, allon ciki na kwamfutar zai zama baki, waɗanda aka yiwa alama. ta launi.
Kwamitin PCB na gama gari shine allon kore, wanda kuma ake kira koren mai.Tawada abin rufe fuska shine mafi tsufa, mafi arha kuma mafi shahara.Baya ga balagagge fasaha, koren man yana da yawa abũbuwan amfãni:
A cikin sarrafa PCB, samar da samfuran lantarki sun haɗa da yin allo da faci.A yayin aiwatar da tsari, akwai matakai da yawa don shiga cikin dakin hasken rawaya, kuma koren PCB allon yana da mafi kyawun tasirin gani a cikin dakin hasken rawaya;na biyu, a cikin sarrafa facin SMT, ana amfani da tin.Matakan, faci da daidaitawar AOI duk suna buƙatar daidaitawa na gani, kuma kayan aikin farantin ƙasa kore ya fi abokantaka don ganewa.
Wani ɓangare na tsarin dubawa ya dogara ga ma'aikata su lura (amma yanzu yawancinsu suna amfani da gwajin gwajin tashi maimakon manual), suna kallon allon a ƙarƙashin haske mai ƙarfi, kore yana da abokantaka da idanu.Green PCBs kuma sun fi dacewa da muhalli, kuma ba za su saki iskar gas mai guba ba lokacin da aka sake sarrafa su a yanayin zafi.
Sauran launuka na PCB, irin su shuɗi da baƙar fata, ana yin su da cobalt da carbon, bi da bi, saboda suna da raunin wutar lantarki, kuma akwai haɗarin gajeriyar kewayawa.
Dauki baƙar allo a matsayin misali.A cikin samarwa, allon baƙar fata yana iya haifar da bambancin launi saboda tsari da matsalolin kayan aiki, yana haifar da babban lahani na PCB.Alamomin da'irar baƙar fata ba su da sauƙin rarrabewa, wanda zai ƙara wahala don gyarawa da gyarawa daga baya.Yawancin masana'antun PCB ba sa amfani da PCB baƙar fata.Ko da a cikin fagagen masana'antar soja da sarrafa masana'antu, samfuran da ke da buƙatu masu inganci sosai suna amfani da koren PCB substrates.
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Na gaba, bari mu magana game da tasirin solder mask launi tawada a kan allo?
Don samfurin da aka gama, tasirin tawada daban-daban akan allon yana nunawa a cikin bayyanar, wato, ko yana da kyau ko a'a.Alal misali, kore ya hada da kore kore, haske kore, duhu kore, matt kore, da dai sauransu, launi ne ma haske, yana da sauki ganin filogi Bayyanar allon bayan da rami tsari ba shi da kyau, da kuma wasu masana'antun' tawada ba su da kyau, resin da rini rabo suna da matsala, za a sami matsaloli irin su kumfa, kuma ana iya gano ƙananan canje-canje a launi;tasiri akan samfuran da aka gama da shi galibi ana nunawa Game da wahalar samarwa, wannan matsalar tana da ɗan rikitarwa don bayyanawa.Tawada masu launi daban-daban suna da matakai daban-daban na canza launi, kamar feshin electrostatic, spraying, da bugu na allo.Hakanan rabon tawada ya bambanta.Kuskure kadan zai sa launin ya bayyana.matsala.
Ko da yake launin tawada ba shi da wani tasiri a kan allon PCB, kauri na tawada yana da tasiri mai girma a kan abin da ke damun shi, musamman ga allon zinare na ruwa, wanda ke da tsauraran matakai akan kauri na tawada;kauri da kumfa na ja tawada suna da sauƙin sarrafawa, kuma jan tawada yana rufe A kan layi, ana iya rufe wasu lahani, kuma bayyanar ya fi kyau, amma mummunan abu shine farashin ya fi tsada.Lokacin yin hoto, bayyanar ja da rawaya sun fi kwanciyar hankali, kuma fari shine mafi wahalar sarrafawa.
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Don taƙaitawa, launi ba shi da wani tasiri a kan aikin da aka gama, kuma yana da ƙananan tasiri akan taron PCB da sauran hanyoyin haɗin gwiwa;a cikin ƙirar PCB, kowane daki-daki a cikin kowane hanyar haɗin yanar gizo ana sarrafa shi sosai, kuma allon PCB ya zama maɓalli na allo mai kyau.PCB uwayen uwa masu launi daban-daban galibi don siyar da samfur ne.Ba a ba da shawarar ku yi amfani da launi azaman muhimmin la'akari a cikin sarrafa PCB ba.