Ngokuthuthuka okusheshayo kobuchwepheshe be-augmented reality (AR), izibuko ezihlakaniphile, njengesithwali esibalulekile sobuchwepheshe be-AR, kancane kancane ziyashintsha ukusuka kumqondo ukuya eqinisweni. Kodwa-ke, ukwamukelwa okusabalele kwezibuko ezihlakaniphile kusabhekene nezinselele eziningi zobuchwepheshe, ikakhulukazi mayelana nobuchwepheshe bokubonisa, isisindo, ukuchithwa kokushisa, nokusebenza kokubona. Eminyakeni yamuva nje, i-silicon carbide (SiC), njengempahla evelayo, isetshenziswe kabanzi kumadivayisi ahlukahlukene we-semiconductor yamandla namamojula. Manje isingena emkhakheni wezibuko ze-AR njengento ebalulekile. Inkomba ephezulu ye-silicon carbide ecwebezelayo, izici ezinhle kakhulu zokuqeda ukushisa, nobulukhuni obuphezulu, phakathi kwezinye izici, kubonisa amandla abalulekile okusetshenziswa kubuchwepheshe bokubonisa, idizayini engasindi, kanye nokulahlwa kokushisa kwezibuko ze-AR. SingahlinzekaIsicwecwana se-SiC, edlala indima ebalulekile ekuthuthukiseni lezi zindawo. Ngezansi, sizohlola ukuthi i-silicon carbide ingaletha kanjani izinguquko ezingilazini ezihlakaniphile ezivela ezintweni zayo, ukuphumelela kwezobuchwepheshe, ukusetshenziswa kwemakethe, namathemba esikhathi esizayo.
Izakhiwo kanye Nezinzuzo zeSilicon Carbide
I-Silicon carbide iyimpahla ebanzi ye-bandgap semiconductor enezakhiwo ezinhle kakhulu njengokuqina okuphezulu, ukuqhutshwa kokushisa okuphezulu, kanye nenkomba ephezulu ye-refractive. Lezi zici ziyinikeza amandla amakhulu okusetshenziswa kumishini kagesi, izinto ezibonakalayo, kanye nokuphathwa kwe-thermal. Ikakhulukazi emkhakheni wezingilazi ezihlakaniphile, izinzuzo ze-silicon carbide zibonakala ikakhulukazi kulezi zici ezilandelayo:
I-High Refractive Index: I-Silicon carbide inenkomba ye-refractive engaphezu kuka-2.6, ephakeme kakhulu kunezinto zendabuko ezifana ne-resin (1.51-1.74) nengilazi (1.5-1.9). Inkomba ye-refractive ephezulu isho ukuthi i-silicon carbide inganqanda ngempumelelo ukusakazeka kokukhanya, yehlise ukulahleka kwamandla okukhanya, ngaleyo ndlela ithuthukise ukugqama kwesibonisi nendawo yokubuka (FOV). Isibonelo, izibuko ze-Meta ze-Orion AR zisebenzisa ubuchwepheshe be-silicon carbide waveguide, ezifinyelela inkambu yokubuka engu-70-degree, eyidlula kude inkambu yokubuka ye-40-degree yezinto zengilazi zendabuko.
Ukukhipha Ukushisa Okuhle Kakhulu: I-Silicon carbide ine-thermal conductivity izikhathi ezingamakhulukhulu kunaleyo yengilazi evamile, evumela ukushisa okusheshayo. Ukukhipha ukushisa kuyinkinga ebalulekile ezingilazini ze-AR, ikakhulukazi ngesikhathi sokuboniswa kokukhanya okuphezulu nokusetshenziswa isikhathi eside. Amalensi e-silicon carbide angadlulisa ngokushesha ukushisa okukhiqizwa yizingxenye ze-optical, athuthukise ukuzinza nempilo yedivayisi. Singahlinzeka nge-SiC wafer eqinisekisa ukuphathwa okushisayo okusebenzayo ezinhlelweni ezinjalo.
Ukuqina Okuphezulu Nokumelana Nokugqoka: I-Silicon carbide ingenye yezinto eziqinile ezaziwa, isibili ngedayimane. Lokhu kwenza amalensi e-silicon carbide angagugi, alungele ukusetshenziswa kwansuku zonke. Ngokuphambene, izinto zengilazi ne-resin zijwayele ukuklwebheka, okuthinta ulwazi lomsebenzisi.
I-Anti-Rainbow Effect: Izinto zengilazi zendabuko ezingilazini ze-AR zivame ukukhiqiza umphumela wothingo, lapho ukukhanya kwe-ambient kukhombisa indawo ye-waveguide, kudala amaphethini okukhanya ombala aguqukayo. I-Silicon carbide ingaqeda le nkinga ngempumelelo ngokuthuthukisa isakhiwo sokugawula, ngaleyo ndlela ithuthukise ikhwalithi yokubonisa futhi isuse umphumela wothingo olubangelwa ukubonakaliswa kokukhanya okuzungezile endaweni ye-waveguide.
Ukuphumelela Kwezobuchwepheshe kwe-Silicon Carbide ezingilazini ze-AR
Eminyakeni yamuva nje, ukuthuthuka kwezobuchwepheshe kwe-silicon carbide ezingilazini ze-AR kugxile kakhulu ekuthuthukisweni kwamalensi we-waveguide diffraction. I-waveguide ye-diffraction iwubuchwepheshe bokubonisa obuhlanganisa i-diffraction phenomenon yokukhanya nezakhiwo ze-waveguide ukuze kusabalalise izithombe ezikhiqizwe izingxenye ze-optical ngokusebenzisa i-grated kulens. Lokhu kunciphisa ukujiya kwelensi, okwenza izibuko ze-AR zibukeke eduze nezingubo zamehlo ezijwayelekile.
Ngo-Okthoba 2024, i-Meta (owayekade eyi-Facebook) yethula ukusetshenziswa kwamagagasi e-silicon carbide-etched waveguides ahlanganiswe nama-microLEDs ezingilazini zawo ze-Orion AR, ixazulula izingqinamba ezibalulekile emikhakheni efana nenkundla yokubuka, isisindo, kanye nezinto zobuciko ezibonakalayo. Usosayensi obonayo we-Meta u-Pascual Rivera uthe ubuchwepheshe be-silicon carbide waveguide buguqule ngokuphelele ikhwalithi yokubonisa yezibuko ze-AR, bashintsha okuhlangenwe nakho kusuka “kuzindawo zokukhanya okufana ne-disco-ball-like rainbow” kuya “kokuzithokozisa okufana nehholo lekhonsathi.”
NgoDisemba 2024, i-XINKEHUI yathuthukisa ngempumelelo i-silicon carbide single crystal substrate yokuqala emhlabeni engama-intshi angu-12, okumaka impumelelo enkulu emkhakheni wama-substrates anosayizi omkhulu. Lobu buchwepheshe buzosheshisa ukusetshenziswa kwe-silicon carbide ezimweni ezintsha zokusetshenziswa njengezibuko ze-AR namasinki okushisa. Isibonelo, i-silicon carbide wafer engu-12-intshi ingakhiqiza amapheya angu-8-9 wamalensi ezingilazi ze-AR, ithuthukise kakhulu ukusebenza kahle kokukhiqiza. Singahlinzeka nge-SiC wafer ukusekela izinhlelo ezinjalo embonini yezibuko ze-AR.
Muva nje, umphakeli we-silicon carbide substrate i-XINKEHUI ubambisene nenkampani yedivayisi ye-micro-nano optoelectronic MOD MICRO-NANO ukusungula ibhizinisi elihlanganyelwe eligxile ekuthuthukisweni nasekukhuthazeni imakethe yobuchwepheshe belensi ye-AR diffraction waveguide. I-XINKEHUI, enobuchwepheshe bayo ku-silicon carbide substrates, izohlinzeka ngama-substrates ekhwalithi ephezulu ye-MOD MICRO-NANO, ezosebenzisa izinzuzo zayo kubuchwepheshe be-micro-nano optical kanye nokucutshungulwa kwe-waveguide ye-AR ukuze kuthuthukiswe ukusebenza kwamagagasi e-diffraction. Lokhu kubambisana kulindeleke ukuthi kusheshise impumelelo yezobuchwepheshe ezingilazini ze-AR, kukhuthaze umnyakazo wemboni oya ekusebenzeni okuphezulu nemiklamo elula.
Embukisweni wango-2025 we-SPIE AR|VR|MR, i-MOD MICRO-NANO yethule amalensi ayo esizukulwane sesibili se-silicon carbide AR, enesisindo esingu-2.7 amagremu kuphela futhi anogqinsi lwamamilimitha angu-0.55, alula kunezibuko zelanga ezivamile, enikeza abasebenzisi umuzwa wokugqoka ocishe ungabonakali, bathole idizayini “elula” ngempela.
Amacala okusebenza we-Silicon Carbide ezingilazini ze-AR
Enqubweni yokukhiqiza ama-waveguides e-silicon carbide, ithimba le-Meta lanqoba izinselelo zobuchwepheshe be-etching etshekile. Umphathi wocwaningo u-Nihar Mohanty uchaze ukuthi i-etching etshekile iwubuchwepheshe bokugaya obungebona bendabuko obunamathisela imigqa nge-engeli ethambekele ukuze kuthuthukiswe ukuhlanganisa ukukhanya kanye nokusebenza kahle kokuhlanganisa. Lokhu kuphumelela kwabeka isisekelo sokwamukelwa ngobuningi kwe-silicon carbide ezingilazini ze-AR.
Izibuko ze-Meta's Orion AR ziwuhlelo lokusebenza olumele ubuchwepheshe be-silicon carbide ku-AR. Ngokusebenzisa ubuchwepheshe be-silicon carbide waveguide, i-Orion ifinyelela inkambu yokubuka engu-70-degree futhi ibhekana ngokuphumelelayo nezinkinga ezifana nokupokoza kanye nomthelela wothingo.
U-Giuseppe Carafiore, umholi wezobuchwepheshe be-Meta's AR waveguide, uphawule ukuthi inkomba ye-silicon carbide ephezulu ye-refractive kanye ne-thermal conductivity iyenza into efanelekile yezibuko ze-AR. Ngemva kokukhetha okokusebenza, inselele elandelayo kwaba ukuthuthukisa i-waveguide, ikakhulukazi inqubo yokunamathisela etshekile yegridi. UCarafiore wachaza ukuthi i-graft, enesibopho sokuhlanganisa ukukhanya ngaphakathi nangaphandle kwelensi, kufanele isebenzise i-etching etshekile. Imigqa eqoshiwe ayihlelwa ngokuma mpo kodwa isakazwa nge-engeli egobile. U-Nihar Mohanty wengeze ngokuthi bayiqembu lokuqala emhlabeni jikelele ukuthola i-slate etching ngqo kumadivayisi. Ngo-2019, u-Nihar Mohanty nethimba lakhe bakhe umugqa wokukhiqiza ozinikele. Ngaphambi kwalokho, azikho izinto ezisetshenziswayo ezazitholakala zokufaka ama-waveguide e-silicon carbide, futhi nobuchwepheshe babungenzeki ngaphandle kwelebhu.
Izinselele kanye Namathemba Esikhathi esizayo eSilicon Carbide
Yize i-silicon carbide ikhombisa amandla amakhulu ezingilazini ze-AR, ukusetshenziswa kwayo kusabhekene nezinselelo ezimbalwa. Njengamanje, impahla ye-silicon carbide iyabiza ngenxa yezinga layo lokukhula kancane kanye nokucubungula okunzima. Isibonelo, ilensi eyodwa ye-silicon carbide yezibuko ze-Meta's Orion AR ibiza imali elinganiselwa ku-$1,000, okwenza kube nzima ukuhlangabezana nezidingo zemakethe yabathengi. Kodwa-ke, ngokuthuthuka okusheshayo kwemboni yezimoto zikagesi, izindleko ze-silicon carbide ziyancipha kancane kancane. Ngaphezu kwalokho, ukuthuthukiswa kwama-substrates anosayizi omkhulu (njengamawafa angama-intshi angu-12) kuzoqhubeza nokwehliswa kwezindleko kanye nokwenza ngcono ukusebenza kahle.
Ukuqina okuphezulu kwe-silicon carbide nakho kwenza kube inselele ukucubungula, ikakhulukazi ekwenziweni kwesakhiwo se-micro-nano, okuholela emazingeni esivuno aphansi. Ngokuzayo, ngokubambisana okujulile phakathi kwabahlinzeki be-silicon carbide substrate kanye nabakhiqizi be-micro-nano optical, le nkinga kulindeleke ukuthi ixazululwe. Isicelo se-silicon carbide ezingilazini ze-AR sisesigabeni saso sokuqala, esidinga izinkampani eziningi ukuthi zitshale ocwaningweni lwe-silicon carbide olusezingeni eliphezulu nokuthuthukiswa kwemishini. Ithimba le-Meta lilindele ukuthi abanye abakhiqizi baqale ukuzakhela imishini yabo, njengoba izinkampani zitshala imali eningi ocwaningweni namathuluzi e-silicon carbide, imboni yezibuko ze-AR izoqina kakhulu.
Isiphetho
I-Silicon carbide, enenkomba yayo ephezulu yokugqamisa, ukunqanyulwa kokushisa okuhle kakhulu, nobulukhuni obuphezulu, isiba into ebalulekile emkhakheni wezibuko ze-AR. Kusukela ekusebenzisaneni phakathi kwe-XINKEHUI ne-MOD MICRO-NANO kuya ekusetshenzisweni ngempumelelo kwe-silicon carbide ezingilazini ze-Meta's Orion AR, amandla e-silicon carbide ezingilazini ezihlakaniphile aboniswe ngokugcwele. Naphezu kwezinselelo ezifana nezindleko nezithiyo zobuchwepheshe, njengoba uchungechunge lwemboni lukhula kanye nobuchwepheshe buqhubeka nokuthuthuka, i-silicon carbide kulindeleke ukuthi ikhanye emkhakheni wezibuko ze-AR, ishayele izibuko ezihlakaniphile ekusebenzeni okuphezulu, isisindo esincane, nokutholwa okubanzi. Ngokuzayo, i-silicon carbide ingase ibe into evamile embonini ye-AR, ingenise inkathi entsha yezibuko ezihlakaniphile.
Amandla e-silicon carbide awagcini ezingilazini ze-AR; izinhlelo zayo ezisetshenziswayo ezimbonini ezahlukene kweze-elekthronikhi nezithombe nazo zibonisa amathemba amakhulu. Isibonelo, ukusetshenziswa kwe-silicon carbide ku-quantum computing namadivayisi kagesi anamandla amakhulu kuhlolwa ngenkuthalo. Njengoba ubuchwepheshe buqhubeka nezindleko zehla, i-silicon carbide kulindeleke ukuthi ibambe iqhaza elibalulekile emikhakheni eminingi, isheshise ukuthuthukiswa kwezimboni ezihlobene. Singahlinzeka nge-SiC wafer yezinhlelo zokusebenza ezihlukahlukene, sisekela intuthuko kokubili ubuchwepheshe be-AR nangale kwalokho.
Umkhiqizo ohlobene
Ibanga le-8Inch 200mm 4H-N SiC Wafer Conductive dummy research grade
Isikhathi sokuthumela: Apr-01-2025