Solder mast ne mai matukar muhimmanci sashe na PCB buga kewaye allon, Babu shakka cewa Solder mask zai taimaka wajen taro, duk da haka abin da kuma abin da solder mask taimaka?Dole ne mu san ƙarin sani game da abin rufe fuska da kanta.
Menene abin rufe fuska na solder?
Solder mask ko solder stop mask ko solder resist is siriri lacquer-kamar Layer na polymer wanda yawanci ana shafa shi a kan burbushin tagulla na bugu na da'ira (PCB) don kariya daga hadawan abu da iskar shaka da kuma hana solder gadoji daga kafa tsakanin sarari solder pads. .
Gada mai siyarwa shine haɗin wutar lantarki da ba a yi niyya ba tsakanin masu gudanarwa guda biyu ta hanyar ƙaramar ɓangarorin solder.
PCBs suna amfani da abin rufe fuska don hana faruwar hakan.
Ba a koyaushe ana amfani da abin rufe fuska na solder don taron da aka sayar da hannu ba, amma yana da mahimmanci ga allunan da ake samarwa da yawa waɗanda ake siyarwa ta atomatik ta amfani da dabarun wanka na sake dawowa ko siyarwar.
Da zarar an yi amfani da shi, dole ne a buɗe abin rufe fuska a cikin abin rufe fuska a duk inda aka sayar da abubuwan da aka gyara, wanda aka cika ta amfani da photolithography.
Sabin rufe fuska na al'ada kore ne amma yanzu ana samunsa cikin launuka da yawa.
Hanyar solder mask
Tsarin abin rufe fuska na solder ya ƙunshi matakai da yawa.
Bayan matakin sharewa, wanda allunan da'irar da aka buga suna raguwa kuma saman jan ƙarfe ya kasance ko dai na injina ko kuma ƙarancin ƙarancin ƙarfe, ana amfani da abin rufe fuska na solder.
Akwai aikace-aikace da yawa kamar shafi na labule, bugu na allo ko feshi da akwai.
Bayan an lulluɓe PCBs da abin rufe fuska na solder, sauran ƙarfi yana buƙatar walƙiya a cikin matakin bushewa.
Mataki na gaba a cikin jerin shine fallasa.Don tsara abin rufe fuska na solder, ana amfani da zane-zane. An fallasa allon allon tare da madaidaicin haske na 360 nm.
Wuraren da aka fallasa za su yi polymerize yayin da wuraren da aka rufe za su kasance monomer.
A cikin ci gaba da haɓaka wuraren da aka fallasa suna da tsayayya, kuma za a wanke wuraren da ba a bayyana ba (monomer).
Ana yin maganin ƙarshe a cikin tsari ko tanda.Bayan warkewar ƙarshe, ana iya buƙatar ƙarin maganin UV don haɓaka kayan aikin injiniya da sinadarai na abin rufe fuska.
Babban aikin solder mask:
To menene aikin abin rufe fuska na Solder?
Zaɓi biyu a cikin jerin:
1. Kariya daga oxidation.
2. Kariya daga zafi.
3. Kariya daga gadar saida ta bazata.
4. Kariya daga fitarwa na electrostatic.
5. Kariya daga hyper fitarwa na halin yanzu.
6. Kariya daga kura.
Sai dai manyan ayyukan da ke sama, akwai kuma wasu aikace-aikace.Idan har yanzu akwai ƙarin tambayoyi game da abin rufe fuska na solder, Da fatan za a tuntuɓi masana a cikin PHILIFAST.
Lokacin aikawa: Juni-22-2021