Jagorar Zaɓin Kayan Kayan Aikin Wafer: Kwatanta Tsawon Tsawon Shekaru 10 tsakanin Granite da Cast Iron.

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A fagen masana'antar semiconductor, daidaiton kayan aikin duba wafer kai tsaye yana ƙayyade inganci da yawan amfanin kwakwalwan kwamfuta. A matsayin tushe mai goyan bayan ainihin abubuwan ganowa, daidaiton girman kayan tushe na kayan aiki yana taka muhimmiyar rawa a cikin aikin dogon lokaci na kayan aiki. Granite da simintin ƙarfe sune kayan tushe guda biyu da aka saba amfani da su don kayan aikin duba wafer. Wani binciken kwatankwacin shekaru 10 ya bayyana manyan bambance-bambancen da ke tsakanin su dangane da kwanciyar hankali mai girma, yana ba da mahimman bayanai don zaɓin kayan aiki. ;
Bayanin Gwaji da Zane
Tsarin samar da wafers na semiconductor yana da matuƙar buƙatu don gano daidaito. Ko da juzu'in matakin mikrometer na iya haifar da raguwar aikin guntu ko ma gogewa. Don bincika yanayin kwanciyar hankali na granite da simintin ƙarfe yayin amfani na dogon lokaci, ƙungiyar bincike ta tsara gwaje-gwajen da suka kwaikwayi ainihin yanayin aiki. An zaɓi samfuran ƙarfe da simintin ƙarfe na ƙayyadaddun ƙayyadaddun abubuwa kuma an sanya su a cikin ɗakin muhalli inda zafin jiki ya canza daga 15 ℃ zuwa 35 ℃ kuma zafi ya tashi daga 30% zuwa 70% RH. An yi amfani da girgizar injiniya a lokacin aikin kayan aiki ta hanyar tebur mai girgiza. An auna mahimmin ma'auni na samfuran kowane kwata ta amfani da madaidaicin madaidaicin laser interferometer, kuma an ci gaba da yin rikodin bayanan har tsawon shekaru 10. ;

Sakamakon gwaji: cikakkiyar fa'idar granite
Shekaru goma na bayanan gwaji sun nuna cewa granite substrate yana nuna kwanciyar hankali mai ban mamaki. Matsakaicin haɓakawar haɓakawar thermal yana da ƙasa sosai, matsakaicin kawai 4.6 × 10⁻⁶ / ℃. Ƙarƙashin sauye-sauyen zafin jiki mai tsauri, ana sarrafa juzu'in juzu'i a cikin ± 0.001mm. A cikin fuskantar canje-canjen zafi, ƙaƙƙarfan tsarin granite yana sa shi kusan ba shi da tasiri, kuma babu wani canje-canje mai ƙima da ke faruwa. A cikin yanayin girgizar injiniya, ingantattun halaye na damping na granite yadda ya kamata ya sha kuzarin girgiza, kuma juzu'in juzu'i yana da ƙanƙanta. ;
Sabanin haka, don simintin ƙarfe na simintin gyare-gyare, matsakaicin matsakaicin haɓakawar haɓakawar thermal ya kai 11 × 10⁻⁶ / ℃ - 13 × 10⁻⁶ / ℃, kuma matsakaicin karkatar da girman da ya haifar da canjin zafin jiki a cikin shekaru 10 shine ± 0.05mm. A cikin yanayi mai ɗanɗano, simintin ƙarfe yana da haɗari ga tsatsa da lalata. Wasu samfurori suna nuna nakasar gida, kuma ɓacin girman girman yana ƙara ƙaruwa. Ƙarƙashin aikin girgizar injin, simintin ƙarfe yana da ƙarancin aikin damping na girgiza kuma girmansa yana canzawa akai-akai, yana sa ya zama da wahala a cika madaidaicin buƙatun duba wafer. ;
Dalili mai mahimmanci na bambancin kwanciyar hankali
An kafa Granite sama da ɗaruruwan miliyoyin shekaru ta hanyoyin tafiyar da yanayin ƙasa. Tsarinsa na ciki yana da yawa kuma iri ɗaya, kuma lu'ulu'u na ma'adinai an daidaita su sosai, kawar da damuwa na ciki ta yanayi. Wannan yana sa ya zama rashin jin daɗi ga canje-canje a cikin abubuwan waje kamar zazzabi, zafi da girgiza. Ana yin simintin ƙarfe ta hanyar simintin simintin gyare-gyare kuma yana da lahani na ƙananan abubuwa kamar pores da ramukan yashi a ciki. A halin yanzu, ragowar danniya da aka haifar yayin aikin simintin gyare-gyare yana da wuyar haifar da canje-canje na girma a ƙarƙashin ƙarfafa yanayin waje. Abubuwan ƙarfe na ƙarfe na simintin gyare-gyare suna sa shi saurin yin tsatsa saboda zafi, haɓaka lalacewar tsari da rage kwanciyar hankali. ;
Tasiri akan kayan aikin duba wafer
Kayan aikin dubawa na Wafer bisa tushen granite, tare da ingantaccen aikin sa, na iya tabbatar da cewa tsarin binciken yana kiyaye daidaito na dogon lokaci, rage yanke hukunci da gano ganowar da aka rasa ta hanyar juzu'in kayan aiki, da haɓaka yawan amfanin ƙasa. A halin yanzu, ƙananan buƙatun kulawa suna rage cikakken farashin tsarin rayuwa na kayan aiki. Kayan aiki da ke amfani da simintin ƙarfe na simintin gyare-gyare, saboda rashin kwanciyar hankali, yana buƙatar gyare-gyare akai-akai da kiyayewa. Wannan ba kawai yana ƙara farashin aiki ba har ma yana iya yin tasiri ga ingancin samar da na'ura mai kwakwalwa saboda rashin isassun daidaito, yana haifar da yuwuwar asarar tattalin arziki. ;
A karkashin yanayin da masana'antar semiconductor ke neman mafi girman daidaito da inganci, zabar granite a matsayin kayan tushe don kayan aikin binciken wafer babu shakka yunkuri ne mai hikima don tabbatar da aikin kayan aiki da haɓaka gasa na masana'antu. ;