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Isingeniso se-semiconductor yesizukulwane sesithathu se-GaN kanye nobuchwepheshe be-epitaxial obuhlobene
1. Ama-semiconductors esizukulwane sesithathu Ubuchwepheshe be-semiconductor besizukulwane sokuqala bathuthukiswa ngokusekelwe ezintweni ezisetshenziswayo ezifana no-Si no-Ge. Kuyisisekelo esibonakalayo sokuthuthukiswa kwama-transistors kanye nobuchwepheshe besifunda esihlanganisiwe. Izinto ze-semiconductor zesizukulwane sokuqala zibeka i...Funda kabanzi -
Ucwaningo lokulingisa lwezinombolo ngomphumela we-porous graphite ekukhuleni kwe-silicon carbide crystal
Inqubo eyisisekelo yokukhula kwe-crystal ye-SiC ihlukaniswe ibe yi-sublimation kanye nokubola kwezinto zokusetshenziswa ekushiseni okuphezulu, ukuthuthwa kwezinto zesigaba segesi ngaphansi kwesenzo se-gradient yokushisa, nokukhula kabusha kwezinto zesigaba segesi ku-crystal imbewu. Ngokusekelwe kulokhu, i...Funda kabanzi -
Izinhlobo Ze-Special Graphite
I-graphite ekhethekile iwukuhlanzeka okuphezulu, ukuminyana okuphezulu namandla aphezulu e-graphite impahla futhi inokumelana nokugqwala okuhle kakhulu, ukuzinza okuphezulu kwezinga lokushisa kanye nokuhamba kahle kukagesi. Yenziwe nge-graphite yemvelo noma yokwenziwa ngemuva kokwelashwa kokushisa okuphezulu nokucubungula ukucindezela okukhulu...Funda kabanzi -
Ukuhlaziywa kwemishini emincane yokubeka ifilimu - izimiso kanye nokusetshenziswa kwemishini ye-PECVD/LPCVD/ALD
Ukufakwa kwefilimu ezacile kuwukumboza ungqimba lwefilimu ku-substrate eyinhloko ye-semiconductor. Le filimu ingenziwa ngezinto ezihlukahlukene, njenge-insulating compound silicon dioxide, semiconductor polysilicon, ithusi lensimbi, njll. Izinto ezisetshenziselwa ukumboza zibizwa ngokuthi ifilimu encane ...Funda kabanzi -
Izinto ezibalulekile ezinquma ikhwalithi yokukhula kwe-silicon ye-monocrystalline - insimu eshisayo
Inqubo yokukhula ye-silicon ye-monocrystalline yenziwa ngokuphelele emkhakheni oshisayo. Inkambu eshisayo eshisayo isiza ekuthuthukiseni ikhwalithi yamakristalu futhi inokusebenza kahle okuphezulu kwekristalu. Idizayini yenkambu eshisayo inquma kakhulu izinguquko kumazinga okushisa...Funda kabanzi -
Ibuphi ubunzima bezobuchwepheshe besithando somlilo se-silicon carbide crystal?
Isithando somlilo sekristalu siyisisetshenziswa esibalulekile sokukhula kwekristalu ye-silicon carbide. Ifana nesithando somlilo esivamile se-crystalline silicon grade crystal growth. Isakhiwo sesithando somlilo asiyinkimbinkimbi kakhulu. Yakhiwa ikakhulukazi umzimba wesithando somlilo, isistimu yokufudumeza, indlela yokudlulisa ikhoyili...Funda kabanzi -
Yiziphi iziphambeko ze-silicon carbide epitaxial layer
Ubuchwepheshe obuyinhloko bokukhula kwezinto ze-SiC epitaxial okokuqala ubuchwepheshe bokulawula amaphutha, ikakhulukazi ubuchwepheshe bokulawula amaphutha obuthambekele ekuhlulekeni kwedivayisi noma ukuwohloka kokwethembeka. Ucwaningo lwendlela yokukhubazeka kwe-substrate edlulela ku-epi...Funda kabanzi -
Okusanhlamvu okumile okufakwe i-oxidized kanye nobuchwepheshe bokukhula kwe-epitaxial-Ⅱ
3. Ukukhula kwefilimu ezacile ye-Epitaxial I-substrate inikeza isendlalelo sokwesekwa ngokomzimba noma isendlalelo esiqhutshwayo samadivayisi wamandla we-Ga2O3. Isendlalelo esilandelayo esibalulekile isendlalelo sesiteshi noma isendlalelo se-epitaxial esisetshenziselwa ukumelana nogesi kanye nokuthuthwa kwenkampani yenethiwekhi. Ukuze ukhuphule i-voltage ephukile futhi unciphise i-conduc ...Funda kabanzi -
I-Gallium oxide crystal eyodwa kanye nobuchwepheshe bokukhula kwe-epitaxial
Ama-semiconductors e-Wide bandgap (WBG) amelwe i-silicon carbide (SiC) ne-gallium nitride (GaN) athole ukunakwa okusabalele. Abantu balindele lukhulu ngamathemba okufaka isicelo se-silicon carbide ezimotweni zikagesi namagridi kagesi, kanye namathemba okusebenza kwe-gallium...Funda kabanzi
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