Ana noma lu'ulu'u na Sapphire daga foda mai tsarki mai yawan gaske tare da tsarkin >99.995%, wanda hakan ya sa su ne mafi girman yankin da ake buƙata don alumina mai tsarki. Suna nuna ƙarfi mai yawa, tauri mai yawa, da kuma halayen sinadarai masu karko, wanda hakan ke ba su damar yin aiki a cikin mawuyacin yanayi kamar yanayin zafi mai yawa, tsatsa, da tasiri. Ana amfani da su sosai a fannin tsaron ƙasa, fasahar farar hula, microelectronics, da sauran fannoni.
Daga foda mai tsarki na alumina zuwa lu'ulu'u masu launin shuɗi
1Muhimman Amfani da Sapphire
A ɓangaren tsaro, ana amfani da lu'ulu'u na sapphire musamman don tagogi masu linzami na infrared. Yaƙin zamani yana buƙatar daidaito mai yawa a cikin makamai masu linzami, kuma tagar infrared mai gani muhimmin sashi ne don cimma wannan buƙata. Ganin cewa makamai masu linzami suna fuskantar zafi mai ƙarfi da tasiri a sararin samaniya yayin tashi mai sauri, tare da yanayin yaƙi mai tsauri, radome dole ne ya sami ƙarfi mai yawa, juriyar tasiri, da kuma ikon jure zaizayar ƙasa daga yashi, ruwan sama, da sauran yanayi mai tsanani. Lu'ulu'u na sapphire, tare da kyakkyawan watsa haske, ingantattun halayen injiniya, da halayen sinadarai masu karko, sun zama kayan aiki mai kyau ga tagogi masu linzami na infrared.
Abubuwan da aka yi amfani da su a cikin LED suna wakiltar mafi girman amfani da sapphire. Ana ɗaukar hasken LED a matsayin juyin juya hali na uku bayan fitilun fluorescent da masu adana makamashi. Ka'idar LEDs ta ƙunshi canza makamashin lantarki zuwa makamashin haske. Lokacin da wutar lantarki ta ratsa ta cikin semiconductor, ramuka da electrons suna haɗuwa, suna fitar da makamashi mai yawa a cikin nau'in haske, a ƙarshe suna samar da haske. Fasahar guntu ta LED ta dogara ne akan wafers na epitaxial, inda ake sanya kayan iskar gas a kan wani abu. Babban kayan da aka yi amfani da su sun haɗa da silicon substrates, silicon carbide substrates, da sapphire substrates. Daga cikin waɗannan, sapphire substrates suna ba da fa'idodi masu mahimmanci akan sauran biyun, gami da kwanciyar hankali na na'ura, fasahar shiri mai girma, rashin shan haske mai gani, kyakkyawan watsa haske, da matsakaicin farashi. Bayanai sun nuna cewa kashi 80% na kamfanonin LED na duniya suna amfani da sapphire a matsayin kayan da aka yi amfani da su a cikin abu.
Baya ga aikace-aikacen da aka ambata a baya, ana kuma amfani da lu'ulu'u na sapphire a cikin allon wayar hannu, na'urorin likitanci, kayan ado na kayan ado, da kuma a matsayin kayan taga don kayan aikin gano kimiyya daban-daban kamar ruwan tabarau da prism.
2. Girman Kasuwa da Abubuwan da Za Su Faru
Sakamakon tallafin manufofi da kuma faɗaɗa yanayin amfani da guntun LED, ana sa ran buƙatar guntun sapphire da girman kasuwarsu za su cimma ci gaba mai lambobi biyu. Nan da shekarar 2025, ana sa ran yawan jigilar guntun sapphire zai kai guda miliyan 103 (wanda aka canza zuwa guntun inci 4), wanda ke wakiltar ƙaruwa da kashi 63% idan aka kwatanta da 2021, tare da ƙimar girma ta shekara-shekara (CAGR) na 13% daga 2021 zuwa 2025. Ana sa ran girman kasuwar guntun sapphire zai kai ¥ biliyan 8 nan da 2025, ƙaruwar kashi 108% idan aka kwatanta da 2021, tare da CAGR na 20% daga 2021 zuwa 2025. A matsayin "mafita" ga guntun, girman kasuwa da yanayin ci gaban lu'ulu'u na sapphire a bayyane yake.
3. Shiri na Lu'ulu'u na Sapphire
Tun daga shekarar 1891, lokacin da masanin kimiyyar Faransa Verneuil A. ya ƙirƙiro hanyar haɗa harshen wuta don samar da lu'ulu'u masu daraja ta wucin gadi a karon farko, nazarin haɓakar lu'ulu'u masu daraja ta wucin gadi ya ɗauki tsawon ƙarni. A wannan lokacin, ci gaban kimiyya da fasaha ya haifar da bincike mai zurfi kan dabarun haɓakar lu'ulu'u masu daraja don biyan buƙatun masana'antu na ingancin lu'ulu'u mafi girma, inganta ƙimar amfani, da rage farashin samarwa. Sabbin hanyoyi da fasahohi daban-daban sun bayyana don haɓaka lu'ulu'u masu daraja, kamar hanyar Czochralski, hanyar Kyropoulos, hanyar haɓaka fim (EFG) da aka ayyana a gefe, da hanyar musayar zafi (HEM).
3.1 Hanyar Czochralski don Shuka Lu'ulu'u na Sapphire
Hanyar Czochralski, wadda Czochralski J. ya fara amfani da ita a shekarar 1918, kuma an san ta da dabarar Czochralski (wanda aka takaita a matsayin hanyar Cz). A shekarar 1964, Poladino AE da Rotter BD sun fara amfani da wannan hanyar don noman lu'ulu'u masu launin shuɗi. Zuwa yanzu, ta samar da adadi mai yawa na lu'ulu'u masu launin shuɗi masu inganci. Ka'idar ta ƙunshi narkar da kayan da aka yi amfani da su don samar da narkewa, sannan a tsoma iri ɗaya na lu'ulu'u a cikin saman narkewa. Saboda bambancin zafin jiki a mahaɗin da ke da ƙarfi da ruwa, sanyaya ruwa sosai yana faruwa, wanda ke sa narkewar ta taurare a saman iri kuma ta fara noman lu'ulu'u ɗaya mai tsarin lu'ulu'u iri ɗaya. Ana jan iri a hankali sama yayin da yake juyawa a wani saurin gudu. Yayin da ake ja iri, narkewar ta taurare a hankali a mahaɗin, tana samar da lu'ulu'u ɗaya. Wannan hanyar, wacce ta ƙunshi jan lu'ulu'u daga narkewa, tana ɗaya daga cikin dabarun da aka saba amfani da su don shirya lu'ulu'u masu inganci.
Fa'idodin hanyar Czochralski sun haɗa da: (1) saurin girma, wanda ke ba da damar samar da lu'ulu'u masu inganci cikin ɗan gajeren lokaci; (2) lu'ulu'u suna girma a saman narkewa ba tare da taɓa bangon bututun ba, suna rage damuwa ta ciki yadda ya kamata da kuma inganta ingancin lu'ulu'u. Duk da haka, babban koma-baya na wannan hanyar shine wahalar da ake fuskanta wajen haɓaka lu'ulu'u masu girma dabam-dabam, wanda hakan ke sa ba ya dace da samar da manyan lu'ulu'u ba.
3.2 Hanyar Kyropoulos don Shuka Lu'ulu'u na Sapphire
Hanyar Kyropoulos, wadda Kyropoulos ya ƙirƙiro a shekarar 1926 (wanda aka taƙaita ta a matsayin hanyar KY), tana da kamanceceniya da hanyar Czochralski. Ta ƙunshi tsoma lu'ulu'u iri a cikin saman narkewa da kuma jan shi a hankali zuwa sama don samar da wuya. Da zarar ƙimar ƙarfafawa a mahaɗin narke-ƙwai ya daidaita, ba a sake ja ko juya irin ba. Madadin haka, ana sarrafa saurin sanyaya don ba da damar lu'ulu'u ɗaya ya taurare a hankali daga sama zuwa ƙasa, a ƙarshe ya samar da lu'ulu'u ɗaya.
Tsarin Kyropoulos yana samar da lu'ulu'u masu inganci, ƙarancin lahani, babba, kuma mai kyau ga farashi.
3.3 Hanyar Ci Gaban Fim (EFG) da Aka Bayyana a Gefen don Shuka Lu'ulu'u na Sapphire
Hanyar EFG fasaha ce ta girma ta lu'ulu'u mai siffar lu'ulu'u. Ka'idarta ta ƙunshi sanya narkewar da ke narkewa a cikin wani abu. Ana jan narkewar zuwa saman mold ɗin ta hanyar aikin capillary, inda yake haɗuwa da lu'ulu'u na iri. Yayin da aka ja iri kuma narkewar ta yi ƙarfi, lu'ulu'u ɗaya ya samar. Girman da siffar gefen mold ɗin suna iyakance girman lu'ulu'u. Saboda haka, wannan hanyar tana da wasu ƙuntatawa kuma ta fi dacewa da lu'ulu'u masu siffar saffir kamar bututu da bayanin martaba na U.
3.4 Hanyar Musayar Zafi (HEM) don Shuka Lu'ulu'u na Sapphire
Fred Schmid da Dennis ne suka ƙirƙiro hanyar musayar zafi don shirya manyan lu'ulu'u na sapphire a shekarar 1967. Tsarin HEM yana da kyakkyawan rufin zafi, sarrafa yanayin zafi mai zaman kansa a cikin narkewar da lu'ulu'u, da kuma kyakkyawan ikon sarrafawa. Yana samar da lu'ulu'u na sapphire cikin sauƙi tare da ƙarancin karyewa da babba.
Fa'idodin hanyar HEM sun haɗa da rashin motsi a cikin bututun ƙarfe, lu'ulu'u, da na'urar dumama ruwa yayin girma, wanda ke kawar da ayyukan jan abubuwa kamar waɗanda ke cikin hanyoyin Kyropoulos da Czochralski. Wannan yana rage tsangwama ga ɗan adam kuma yana guje wa lahani na lu'ulu'u da motsi na injiniya ke haifarwa. Bugu da ƙari, ana iya sarrafa saurin sanyaya don rage damuwa ta zafi da kuma lalacewar lu'ulu'u da ke haifarwa. Wannan hanyar tana ba da damar haɓaka manyan lu'ulu'u, tana da sauƙin aiki, kuma tana da kyakkyawan damar ci gaba.
Ta hanyar amfani da ƙwarewa mai zurfi a fannin girma da sarrafa daidaiton lu'ulu'u na sapphire, XKH tana ba da mafita na musamman na wafer na sapphire daga ƙarshe zuwa ƙarshe wanda aka tsara don aikace-aikacen tsaro, LED, da optoelectronics. Baya ga sapphire, muna samar da cikakken kayan aikin semiconductor masu inganci, gami da wafers na silicon carbide (SiC), wafers na silicon, sassan serami na SiC, da samfuran quartz. Muna tabbatar da inganci, aminci, da tallafin fasaha a duk kayan aiki, yana taimaka wa abokan ciniki cimma nasara a cikin aikace-aikacen masana'antu da bincike na ci gaba.
Lokacin Saƙo: Agusta-29-2025