Ezinyangeni ezisanda kwedlula, uMnyango Wezimboni Nobuchwepheshe Bolwazi (MIIT) ukhiphe "Iziqondiso Zokuphromothwa Nokusetshenziswa Kwezisetshenziswa Ezinkulu Zobuchwepheshe Zokuqala (Isethi) (Inguqulo ka-2024)". Lokhu kuvula indlela yokwenziwa kwasendaweni okugcwele kokukhiqizwa kwama-chip avuthiwe kumanodi angaphezu kuka-28nm!
Nakuba ubuchwepheshe be-28nm bungafinyeleleki, bubambe ukubaluleka okubalulekile njengomugqa ohlukanisayo phakathi kwama-chips aphansi kuya maphakathi kanye namaphakathi kuya phezulu. Ngaphandle kwama-CPU athuthukile, ama-GPU, nama-AI chips, ama-chips amaningi ebanga lezimboni ancike ku-28nm noma ubuchwepheshe obuphakeme.
![MIIT Promotes Domestic DUV Lithography Machines with ≤8nm Overlay Accuracy]()
Isimiso Esisebenzayo: Intuthuko ku-Deep Ultraviolet Lithography
Imishini ye-lithography ye-KrF (Krypton Fluoride) kanye ne-ArF (Argon Fluoride) ingena ngaphansi kwesigaba se-Deep Ultraviolet (DUV) lithography. Kokubili kusebenzisa amaza okukhanya athile aklanywe ngamasistimu okukhanya kungqimba lwe-photoresist lwewafa ye-silicon, idlulisela amaphethini wesekethe ayinkimbinkimbi.
Imishini ye-KrF Lithography:
Sebenzisa umthombo wokukhanya wamaza wamaza angu-248nm, ufinyelela izinqumo ezingaphansi kuka-110nm, ezifanele izinqubo ezihlukahlukene zokukhiqiza isekethe ehlanganisiwe.
Imishini ye-ArF Lithography:
Sebenzisa umthombo wokukhanya we-wavelength ongu-193nm, ohlinzeka ngokulungiswa okuphezulu kobuchwepheshe benqubo ye-sub-65nm, okuvumela ukwenziwa kwamasekhethi angcono kakhulu.
Ukubaluleka Kwezobuchwepheshe: Ukuthuthukiswa Kwemboni Nokuzethemba
Ukuthuthukiswa kwale mishini ye-lithography kuphawula ingqopha-mlando enkulu ekuthuthukisweni kokukhiqizwa kwe-semiconductor kanye nokuzuza ukuzimela kwezimboni.:
Ukuthuthukiswa Kwezobuchwepheshe:
Ukwakhiwa ngempumelelo kwemishini ye-lithography ye-KrF ne-ArF kugqamisa inqubekelaphambili ebalulekile kubuchwepheshe be-lithography obusezingeni eliphezulu, okuhlinzeka ngosekelo oluqinile lobuchwepheshe lokukhiqiza i-semiconductor.
Ukuthuthukiswa Kwemboni:
Imishini ye-lithography enembayo ephezulu inika amandla ukukhiqizwa kwamasekethe ahlanganisiwe ayinkimbinkimbi futhi asebenza kahle kakhulu, eqhuba ukwakheka okusha kulo lonke uchungechunge lwenani le-semiconductor.
Ukuphepha Kwezomnotho Nezwe: Ngokunciphisa ukuncika kubuchwepheshe bangaphandle, le mishini iqinisa ukuzimela kwemboni ye-semiconductor yasekhaya, iqinisa ukuphepha kwezomnotho nezimboni.
I-Chiller yamanzi
: Ukhiye Wokusebenza Komshini Ozinzile we-Lithography
Ukulawula izinga lokushisa okunembile kubalulekile ukuze kuqinisekiswe ikhwalithi kanye nesivuno senqubo ye-lithography. Izibandisi zamanzi, njengezingxenye ezibalulekile zezinhlelo zokupholisa, zidlala indima ebalulekile:
Izidingo zokupholisa:
Imishini ye-Lithography izwela kakhulu ekuguquguqukeni kwezinga lokushisa ngesikhathi sokuchayeka, okudinga ukupholisa amanzi okuhlinzeka ngokulawula izinga lokushisa okunembe kakhulu futhi kuzinzile.
Imisebenzi ye-Chillers:
Ngokujikeleza amanzi okupholisa, ama-chillers ahlakaza ngempumelelo ukushisa okukhiqizwa ngesikhathi sokusebenza, ukugcina imishini ye-laser ngaphakathi kwebanga lokushisa elilungile kanye nokuqinisekisa ukunemba nokuthembeka kwinqubo ye-lithography.
![Ultrafast laser chiller CWUP-20ANP with 0.08℃ stability]()
I-TEYU Chiller Inikeza Izixazululo Zokupholisa Ezichwepheshile zeMishini ye-Lithography
I-TEYU CWUP yochungechunge lwe-ultrafast laser chillers inganikeza ukulawula izinga lokushisa okunembayo futhi okuzinzile kwemishini ye-lithography. I
imodeli ye-chiller CWUP-20ANP
ifinyelela ukuqina kwezinga lokushisa ±0.08°C, iletha ukupholisa okusebenza kahle kakhulu kokukhiqiza okunembayo.
Ezweni elinembile lokwenziwa kwe-semiconductor, imishini ye-lithography ingamathuluzi abalulekile okudlulisa amaphethini ama-microcircuit. Ngokuthuthuka kobuchwepheshe, umshini we-krypton fluoride lithography kanye nomshini we-argon fluoride lithography kube amandla abalulekile okukhuthaza ukuthuthukiswa komkhakha ngokusebenza kwawo okuhle kakhulu.