A cikin tsarin masana'antar semiconductor da ke tafiya zuwa ga tsarin kera nanoscale, yanke wafer, a matsayin babbar hanyar haɗin gwiwa a cikin kera guntu, yana da matuƙar tsauraran buƙatu don kwanciyar hankali na kayan aiki. Tushen granite, tare da juriyar girgiza mai kyau da kwanciyar hankali na zafi, ya zama babban ɓangaren kayan aikin yanke wafer, yana ba da garanti mai inganci don cimma ingantaccen aiki da ingantaccen aiki na wafer.
Babban halayen damping da hana girgiza: Kare daidaiton yanke matakin nano
Lokacin da kayan aikin yanke wafer ke aiki, juyawar madaurin sauri, girgizar kayan aikin yankewa mai yawa, da girgizar muhalli da kayan aikin da ke kewaye ke haifarwa duk za su yi tasiri sosai kan daidaiton yankewa. Aikin rage danshi na tushen ƙarfe na gargajiya yana da iyaka, wanda hakan ke sa ya zama da wahala a rage girgiza cikin sauri, wanda ke haifar da jitter matakin micron na kayan aikin yankewa kuma yana haifar da lahani kai tsaye kamar gefuna masu yagewa da fashe-fashe akan wafers. Babban halayen danshi na tushen granite sun magance wannan matsalar ta asali.
Ana haɗa lu'ulu'u na ma'adinai na ciki na granite a haɗe, suna samar da tsarin watsar da makamashi na halitta. Lokacin da aka aika girgizar zuwa tushe, ƙaramin tsarinsa na ciki zai iya canza kuzarin girgiza zuwa makamashin zafi cikin sauri, yana cimma ingantaccen rage girgizar. Bayanan gwaji sun nuna cewa a ƙarƙashin yanayin girgiza iri ɗaya, tushen granite zai iya rage girman girgizar da fiye da 90% cikin daƙiƙa 0.5, yayin da tushen ƙarfe yana buƙatar daƙiƙa 3 zuwa 5. Wannan kyakkyawan aikin rage girgiza yana tabbatar da cewa kayan aikin yankewa ya kasance mai karko yayin aikin yanke nanoscale, yana tabbatar da kyakkyawan gefen yanke wafer da kuma rage saurin yankewa yadda ya kamata. Misali, a cikin tsarin yanke wafer na 5nm, kayan aiki masu tushen granite na iya sarrafa girman yankewa cikin 10μm, wanda ya fi sama da kashi 40% na kayan aiki masu tushen ƙarfe.
Ƙarancin yawan faɗaɗawar zafi: Mai juriya ga tasirin canjin yanayin zafi
A lokacin aikin yanke wafer, zafi da gogayya tsakanin kayan aikin yankewa ke haifarwa, zubar da zafi daga aiki na dogon lokaci na kayan aiki, da canje-canje a yanayin zafin wurin aiki duk na iya haifar da nakasar zafi na kayan aikin. Yawan faɗaɗa zafi na kayan ƙarfe yana da girma sosai (kimanin 12×10⁻⁶/℃). Lokacin da zafin jiki ya canza da 5℃, tushen ƙarfe mai tsawon mita 1 na iya fuskantar nakasar 60μm, wanda ke haifar da canjin matsayin yankewa kuma yana shafar daidaiton yankewa sosai.
Adadin faɗaɗa zafin jiki na tushen granite shine (4-8) ×10⁻⁶/℃ kawai, wanda bai kai kashi ɗaya bisa uku na kayan ƙarfe ba. A ƙarƙashin canjin zafin jiki iri ɗaya, kusan za a iya yin watsi da canjin girmansa. Bayanan da aka auna na wani kamfanin kera semiconductor sun nuna cewa a lokacin aikin yanke wafer mai ƙarfi na tsawon awanni 8, lokacin da zafin jiki na yanayi ya canza da 10℃, matsakaicin matsayin yanke kayan aiki tare da tushen granite bai wuce 20μm ba, yayin da na kayan aiki tare da tushen ƙarfe ya wuce 60μm. Wannan aikin zafi mai ɗorewa yana tabbatar da cewa matsayin da ke tsakanin kayan aikin yankewa da wafer ya kasance daidai a kowane lokaci. Ko da a ƙarƙashin aiki na dogon lokaci ko canje-canje masu tsanani a yanayin zafi na muhalli, ana iya kiyaye daidaiton yankewa.
Tauri da juriya ga lalacewa: Tabbatar da dorewar aikin kayan aiki na dogon lokaci
Baya ga fa'idodin juriyar girgiza da kwanciyar hankali na zafi, ƙarfin tauri da juriyar lalacewa na tushen granite yana ƙara inganta amincin kayan aikin yanke wafer. Granite yana da tauri na 6 zuwa 7 akan sikelin Mohs da ƙarfin matsi wanda ya wuce 120MPa. Yana iya jure matsin lamba mai yawa da ƙarfin tasiri yayin aikin yankewa kuma baya fuskantar lalacewa. A halin yanzu, tsarinsa mai yawa yana ba shi juriya mai kyau ta lalacewa. Ko da a lokacin ayyukan yankewa akai-akai, saman tushen ba ya fuskantar lalacewa, yana tabbatar da cewa kayan aikin suna da aiki mai kyau na dogon lokaci.
A aikace-aikace na zahiri, kamfanonin kera wafer da yawa sun inganta yawan amfanin gona da ingancin samarwa ta hanyar amfani da kayan aikin yankewa tare da tushen granite. Bayanai daga wani kamfanin samar da wafer mai ci gaba a duniya sun nuna cewa bayan gabatar da kayan aikin yanke wafer, yawan amfanin gona ya karu daga kashi 88% zuwa sama da kashi 95%, an tsawaita lokacin kula da kayan aiki sau uku, wanda hakan ya rage farashin samarwa da kuma kara karfin gasa a kasuwa.
A ƙarshe, tushen granite, tare da kyakkyawan juriyar girgiza, kwanciyar hankali na zafi, ƙarfin juriya da juriyar lalacewa, yana ba da garantin aiki mai kyau ga kayan aikin yanke wafer. Yayin da fasahar semiconductor ke ci gaba zuwa ga daidaito mafi girma, tushen granite zai taka muhimmiyar rawa a fannin kera wafer, yana haɓaka ci gaba da haɓaka masana'antar semiconductor mai ƙirƙira.
Lokacin Saƙo: Mayu-20-2025