Idan ya yi maniyyi zuwalabaran kasuwanci, fahimtar elaborateness na semiconductor ƙirƙira ya zama dole. Semiconductor wafer suna da mahimmanci a cikin wannan masana'antar, amma galibi suna fuskantar gurɓatawa daga ƙazanta iri-iri. Waɗannan gurɓatattun, sun haɗa da zarra, kwayoyin halitta, ion ƙarfe, da oxide, na iya yin tasiri ga tsarin ƙirƙira.
Barbashikamar su polymer da etching na ƙazanta dogara akan ƙarfin intermolecular don adsorb akan saman wafer, suna shafar hoto na na'urar.kwayoyin kazantakamar man fata na homo da na'ura mai siffar fim a kan wafer, yana hana tsaftacewa.ions karfekamar baƙin ƙarfe da aluminium galibi ana cire su ta hanyar samuwar hadadden ion na ƙarfe.Oxidesyana hana tsarin ƙirƙira kuma yawanci ana cire su ta hanyar jiƙa a cikin ruwa mai tsarke hydrofluoric acid.
hanyoyin sinadaraiAna amfani da su akai-akai don tsaftacewa da wafer semiconductor. Dabarun tsabtace sinadarai na danshi kamar ruwa mai ruwa da ruwa da goge-goge suna da yawa. supersonic da megasonic hanyar tsaftacewa suna ba da ingantattun hanyoyi don cire ƙazanta. busassun tsabtace sinadarai, sun haɗa da fasahar plasma da fasahar zamani, kuma suna yin aiki a cikin matakan tsabtace wafer semiconductor.
Lokacin aikawa: Oktoba-29-2024