Muna iya ganin garkuwa akan PCBS da yawa, musamman a cikin kayan lantarki masu amfani kamar wayoyin hannu. PCB na wayar yana rufe da garkuwa.
Ana samun murfin garkuwar a cikin PCBS na wayar hannu, musamman saboda wayoyin hannu suna da nau'ikan hanyoyin sadarwa mara igiyar waya, kamar GPS, BT, WiFi, 2G/3G/4G/5G, da wasu da'irori masu mahimmanci na analog da DC-DC na sauya wutar lantarki. yawanci ana buƙatar ware tare da murfin kariya. A daya bangaren kuma, ba sa shafar wasu da’irori, a daya bangaren kuma, suna hana wasu da’irori su shafi kansu.
Wannan yana daya daga cikin ayyukan kariya daga tsangwama na lantarki; Wani aikin garkuwar shi ne hana yin karo. PCB SMT za a raba shi zuwa alluna da yawa. Yawancin lokaci, faranti da ke kusa suna buƙatar rabuwa don hana haɗuwa kusa da lokacin gwaji na gaba ko wasu sufuri.
Abubuwan da ake amfani da su na garkuwa gabaɗaya farin tagulla ne, bakin karfe, faranti, da sauransu. A halin yanzu, yawancin garkuwar ana amfani da su ne da farin tagulla.
Farin jan ƙarfe yana da ɗan ƙaramin tasirin kariya mara kyau, mai laushi, mafi tsada fiye da bakin karfe, mai sauƙin kwano; Tasirin garkuwar bakin karfe yana da kyau, babban ƙarfi, matsakaicin farashi; Duk da haka, yana da wuyar yin tin (da wuya ya zama tin ba tare da magani na sama ba, kuma ana inganta shi bayan nickel plating, amma har yanzu bai dace da facin ba); Tasirin garkuwar tinplate shine mafi muni, amma tin yana da kyau kuma farashin yana da arha.
Ana iya raba garkuwa zuwa ƙayyadaddun da kuma cirewa.
Kafaffen murfin garkuwa guda ɗaya ana kiransa gabaɗaya guda ɗaya, kai tsaye SMT haɗe zuwa PCB, Ingilishi gabaɗaya ana kiransa Tsarin Garkuwa.
Garkuwar da za a iya cirewa kuma ana kiranta garkuwar guda biyu, kuma ana iya buɗe garkuwar guda biyu kai tsaye ba tare da taimakon kayan aikin bindiga mai zafi ba. Farashin ya fi tsada fiye da guda ɗaya, SMT yana waldawa akan PCB, wanda ake kira Shielding Frame, na sama ana kiransa Shielding Cover, kai tsaye akan Tsarin Garkuwa, mai sauƙin tarwatsawa, gabaɗaya Frame mai zuwa ana kiransa frame garkuwa, na sama. Murfin ana kiran murfin garkuwa. An ba da shawarar Frame don amfani da farin jan ƙarfe, tin ya fi kyau; Ana iya yin murfin da tinplate, galibi mai arha. Ana iya amfani da yanki guda biyu a farkon matakin aikin don sauƙaƙe ƙaddamarwa, jira kwanciyar hankali na gyara kayan aiki, sa'an nan kuma la'akari da amfani da guda ɗaya don rage farashin.
Lokacin aikawa: Maris 13-2024
