Ikhaya> uhlu lokubonisa
I-Wet etching iyindlela ethokozisayo esetshenziswayo ukukhiqiza izakhi ze-elekthronikhi ezincane ezaziwa ngokuthi ama-semiconductors. Ama-semiconductors ayisithako esiyinhloko kumadivayisi afana namakhompyutha nama-smartphone. Ukujula okumanzi kusiza ukukhiqiza lezo zingxenye ezincane ngokukhetha ngokukhetha izingxenye zongqimba endaweni ethile. Ngakho-ke, ake sithole: sesizokwenza inqwaba yama-semiconductors sisebenzisa i-Semixlab etching emanzi.
Ukufakwa okumanzi kungasetshenziswa ukufaka amaphethini aqondile ezintweni ezifana ne-silicon. Uma kuziwa ekwenzeni ama-semiconductors, i-wet etching ibalulekile ekukhiqizeni amasekhethi amancane amisa umbukiso agcina amadivaysi edijithali esebenza. Onjiniyela bangasika izingxenye ezithile ukuze bakhe izimo namaphethini ngokusebenzisa uketshezi oluthile ebusweni bento.
Inqubo yokufaka emanzi ihlanganisa izinyathelo eziningi. Okokuqala, indwangu imbozwa ungqimba oluyisivikelo olubizwa ngokuthi isifihla-buso. Le mask inokumelana okuphezulu noketshezi oluhlabayo futhi iwusizo ekwenzeni iphethini yokuphuma. Khona-ke, izinto ezibonakalayo zicwiliswa ku-etching medium, ezincibilikisa izindawo ezingavikelekile kuphethini edingekayo. I-etching emanzi yindlela izici ezincane ezifana nama-transistors nama-capacitor enziwa ngayo kuma-wafer we-semiconductor.
I-Semixlab al2o3 etching emanzi incike ekuphenduleni kwamakhemikhali okwenzeka phakathi koketshezi oluhlabayo kanye nempahla. Izinto ezisetshenziswayo ezihlukene zidinga uketshezi oluhlanganisayo oluhlukene ukuze kukhiqizwe imiphumela oyifunayo. Enye indlela ebonisayo yokwenza amaphethini e-silicon iwuku-etching, kusetshenziswa isixazululo se-hydrofluoric acid, esiphendula nge-silicon ukwenza amaphethini. Onjiniyela bangathola imiphumela enemininingwane ngokulawula amandla kanye nezinga lokushisa loketshezi lwe-etching.
Ukukhipha amanzi kunezinzuzo ezithile. Kuyindlela eshibhile futhi elula esetshenziswa ukwenza izinhlobo zamaphethini ezisezingeni eliphezulu zendawo ebushelelezi. Ukufakwa okumanzi kuyasebenza nasezintweni eziningi futhi kusetshenziswa kakhulu ekwenzeni i-semiconductor. Kodwa, njenganoma yini enye, iza ne-downsides yayo. Kungase futhi kube kancane, futhi kube nzima ukuvimbela ama-etches ajule kakhulu futhi amakhulu. Njengoba ubuchwepheshe buthuthuka, amanye amasu, njengokuchopha okomile, ayathuthukiswa ukuze kuxazululwe lezi zinkinga.
Kunamathiphu ambalwa awusizo onjiniyela ukuze bamanzise i-etch ngempumelelo. Okokuqala, ukuklanywa kwemaski kubucayi ukuze kuvikelwe okokusebenza ekuqoshweni. Imaski enhle izoqinisekisa ukuthi izifunda ezilungile kuphela zendawo ezibekiwe, okuqinisekisa amaphethini anembile. Bese kuba khona futhi izinga lokushisa namandla oketshezi oluhlabayo lapho izilawuli nazo zidinga ukwenziwa. Okokugcina, amasu amahle elebhu, njengokuphatha izinto ezihlanzekile, azovimbela izinkinga futhi akusize ekuqedeni i-Semixlab ephumelelayo. Ifaka indandatho ye-Focus.
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