fahimtar gurɓatar wafer na semiconductor da tsarin tsaftacewa

Lokacin da aka yi maniyyi zuwalabaran kasuwanci, fahimtar yadda ake yin semiconductor yana da mahimmanci. wafer na semiconductor muhimmin sashi ne a wannan masana'antar, amma galibi suna fuskantar gurɓatawa daga nau'ikan ƙazanta daban-daban. Waɗannan gurɓatattun abubuwa, waɗanda suka haɗa da atom, kwayoyin halitta, ion na ƙarfe, da oxide, na iya yin tasiri ga tsarin ƙera su.

BarbashiKamar polymer da ƙazanta, amincewa da ƙarfin intermolecular don shawagi a saman wafer ɗin, yana shafar photolithography na na'urar.ƙazanta na halittakamar man fata na homo da man injin fim a kan wafer, suna hana tsaftacewa.ions na ƙarfeKamar ƙarfe da aluminum, sau da yawa ana cire su ta hanyar ƙirƙirar hadaddun ion na ƙarfe.OxidesAna cire su ta hanyar jiƙa su da ruwa mai narkewa a cikin hydrofluoric acid.

hanyoyin sinadaraiAna amfani da su sosai don tsaftacewa da kuma cire wafer semiconductor. dabarun tsaftacewar sinadarai masu danshi kamar nutsewa cikin ruwa da gogewar injiniya suna da yawa. Hanyar tsaftacewa mai ƙarfi da megasonic suna ba da hanyoyi masu inganci don kawar da ƙazanta. Tsaftace sinadarai masu busasshe, gami da fasahar plasma da gas, suma suna taka rawa a cikin ayyukan tsaftacewar wafer semiconductor.