Ndi chitukuko chachangu cha ukadaulo wa augmented reality (AR), magalasi anzeru, monga chonyamulira chofunikira cha ukadaulo wa AR, akusintha pang'onopang'ono kuchoka pa lingaliro kupita ku zenizeni. Komabe, kugwiritsa ntchito magalasi anzeru kwambiri kukukumana ndi mavuto ambiri aukadaulo, makamaka pankhani ya ukadaulo wowonetsera, kulemera, kutayika kwa kutentha, ndi magwiridwe antchito a kuwala. M'zaka zaposachedwa, silicon carbide (SiC), monga chinthu chatsopano, yagwiritsidwa ntchito kwambiri muzipangizo zosiyanasiyana zamagetsi ndi ma module. Tsopano ikupita kumunda wa magalasi a AR ngati chinthu chofunikira. Chizindikiro chachikulu cha refractive cha Silicon carbide, mphamvu zabwino kwambiri zotayira kutentha, komanso kuuma kwakukulu, pakati pa zinthu zina, zikuwonetsa kuthekera kwakukulu kogwiritsidwa ntchito muukadaulo wowonetsera, kapangidwe kopepuka, komanso kutayika kwa kutentha kwa magalasi a AR. Tikhoza kuperekaSiC wafer, zomwe zimagwira ntchito yofunika kwambiri pakukonza madera awa. Pansipa, tifufuza momwe silicon carbide ingabweretsere kusintha kwakukulu kwa magalasi anzeru kuchokera ku mbali za makhalidwe ake, kupita patsogolo kwa ukadaulo, kugwiritsa ntchito msika, ndi ziyembekezo zamtsogolo.
Katundu ndi Ubwino wa Silicon Carbide
Silicon carbide ndi chinthu chachikulu cha semiconductor chomwe chili ndi mawonekedwe abwino kwambiri monga kuuma kwambiri, kutentha kwambiri, komanso chizindikiro cha refractive chapamwamba. Makhalidwe amenewa amapatsa mwayi waukulu wogwiritsidwa ntchito muzipangizo zamagetsi, zida zowunikira, komanso kasamalidwe ka kutentha. Makamaka pankhani ya magalasi anzeru, ubwino wa silicon carbide umaonekera kwambiri m'mbali zotsatirazi:
Chizindikiro Chachikulu Chowunikira: Silicon carbide ili ndi chizindikiro cha kuwunikira choposa 2.6, chokwera kwambiri kuposa zipangizo zachikhalidwe monga utomoni (1.51-1.74) ndi galasi (1.5-1.9). Chizindikiro chachikulu chowunikira chimatanthauza kuti silicon carbide imatha kuchepetsa kufalikira kwa kuwala, kuchepetsa kutayika kwa mphamvu ya kuwala, motero kukonza kuwala kowonetsera ndi malo owonera (FOV). Mwachitsanzo, magalasi a Meta a Orion AR amagwiritsa ntchito ukadaulo wa silicon carbide waveguide, kukwaniritsa malo owonera a madigiri 70, kupitirira malo owonera a madigiri 40 a zipangizo zachikhalidwe zagalasi.
Kutaya Kutentha Kwabwino Kwambiri: Silicon carbide ili ndi mphamvu yoyendetsera kutentha kwambiri kuposa galasi wamba, zomwe zimapangitsa kuti kutentha kuyende mwachangu. Kutaya kutentha ndi vuto lalikulu pa magalasi a AR, makamaka panthawi yowala kwambiri komanso nthawi yayitali yogwiritsidwa ntchito. Magalasi a Silicon carbide amatha kusamutsa kutentha komwe kumapangidwa ndi zinthu zowunikira mwachangu, zomwe zimapangitsa kuti chipangizocho chikhale chokhazikika komanso chokhala ndi moyo wautali. Titha kupereka SiC wafer yomwe imatsimikizira kuti kutentha kumayendetsedwa bwino mu ntchito zotere.
Kulimba Kwambiri ndi Kukana Kuvala: Silicon carbide ndi chimodzi mwa zinthu zovuta kwambiri zomwe zimadziwika, chachiwiri kwa diamondi. Izi zimapangitsa kuti magalasi a silicon carbide asavunde kwambiri, oyenera kugwiritsidwa ntchito tsiku ndi tsiku. Mosiyana ndi zimenezi, magalasi ndi utomoni zimakhala zosavuta kukanda, zomwe zimakhudza zomwe ogwiritsa ntchito amagwiritsa ntchito.
Zotsatira Zotsutsana ndi Utawaleza: Zipangizo zagalasi zachikhalidwe zomwe zili mu magalasi a AR nthawi zambiri zimapangitsa kuti kuwala kozungulira kuwonetseke pamwamba pa mafunde, zomwe zimapangitsa kuti kuwala kwamitundu yosiyanasiyana kuwonetseke. Silicon carbide imatha kuthetsa vutoli mwa kukonza kapangidwe ka grating, motero kukonza mawonekedwe owonetsera ndikuchotsa mphamvu ya utawaleza yomwe imabwera chifukwa cha kuwala kozungulira pamwamba pa mafunde.
Kupita patsogolo kwaukadaulo kwa Silicon Carbide mu Magalasi a AR
M'zaka zaposachedwapa, kupita patsogolo kwa ukadaulo wa silicon carbide mu magalasi a AR kwakhala kukuyang'ana kwambiri pakupanga magalasi a diffraction waveguide. Diffraction waveguide ndi ukadaulo wowonetsera womwe umaphatikiza mawonekedwe a diffraction a kuwala ndi mawonekedwe a waveguide kuti afalitse zithunzi zopangidwa ndi zinthu zowunikira kudzera mu grating mu lens. Izi zimachepetsa makulidwe a lens, zomwe zimapangitsa kuti magalasi a AR aziwoneka pafupi ndi magalasi wamba.
Mu Okutobala 2024, Meta (yomwe kale inali Facebook) idayambitsa kugwiritsa ntchito ma waveguides opangidwa ndi silicon carbide pamodzi ndi ma microLED m'magalasi ake a Orion AR, kuthetsa mavuto akuluakulu m'magawo monga malo owonera, kulemera, ndi zinthu zakale zowoneka. Pascual Rivera, katswiri wa zamaso wa Meta, adati ukadaulo wa ma waveguides a silicon carbide unasintha kwathunthu mawonekedwe a magalasi a AR, kusintha zomwe zinachitika kuchokera ku "malo owala ngati mpira wa disco" kupita ku "zokumana nazo zodekha ngati holo ya konsati."
Mu Disembala 2024, XINKEHUI idapanga bwino chida choyamba cha silicon carbide single crystal cha mainchesi 12 padziko lonse lapansi, chomwe chikuwonetsa kupita patsogolo kwakukulu m'munda wa ma substrates akuluakulu. Ukadaulo uwu uthandizira kugwiritsa ntchito silicon carbide m'malo atsopano ogwiritsidwa ntchito monga magalasi a AR ndi ma heat sinks. Mwachitsanzo, wafer wa silicon carbide wa mainchesi 12 amatha kupanga magalasi a AR awiriawiri, zomwe zimapangitsa kuti ntchito iyende bwino. Titha kupereka wafer wa SiC kuti athandizire ntchito zotere mumakampani opanga magalasi a AR.
Posachedwapa, kampani yogulitsa zinthu zopangidwa ndi silicon carbide, XINKEHUI, idagwirizana ndi kampani ya micro-nano optoelectronic device MOD MICRO-NANO kuti ikhazikitse mgwirizano womwe umayang'ana kwambiri pakupanga ndi kukweza msika wa ukadaulo wa AR diffraction waveguide lens. XINKEHUI, yokhala ndi ukadaulo wake mu zinthu zopangidwa ndi silicon carbide, ipereka zinthu zopangidwa ndi silicon carbide zapamwamba kwambiri za MOD MICRO-NANO, zomwe zingagwiritse ntchito ubwino wake mu ukadaulo wa micro-nano optical ndi AR waveguide processing kuti ziwongolere magwiridwe antchito a ma diffraction waveguide. Mgwirizanowu ukuyembekezeka kufulumizitsa kupita patsogolo kwaukadaulo mu magalasi a AR, ndikulimbikitsa kupita patsogolo kwa makampaniwa ku magwiridwe antchito apamwamba komanso mapangidwe opepuka.
Pa chiwonetsero cha SPIE AR|VR|MR cha 2025, MOD MICRO-NANO idapereka magalasi ake agalasi a silicon carbide AR a m'badwo wachiwiri, olemera magalamu 2.7 okha komanso makulidwe a mamilimita 0.55 okha, opepuka kuposa magalasi agalasi wamba, kupatsa ogwiritsa ntchito mawonekedwe osavuta kuvala, ndikupanga kapangidwe "kopepuka" kwenikweni.
Milandu Yogwiritsira Ntchito Silicon Carbide mu Magalasi a AR
Pakupanga ma waveguides a silicon carbide, gulu la Meta linapambana mavuto a ukadaulo woduladula. Woyang'anira kafukufuku Nihar Mohanty anafotokoza kuti kuduladula ...
Magalasi a Meta a Orion AR ndi njira yogwiritsira ntchito ukadaulo wa silicon carbide mu AR. Pogwiritsa ntchito ukadaulo wa silicon carbide waveguide, Orion imapeza mawonekedwe a madigiri 70 ndipo imathetsa mavuto monga ghosting ndi utawaleza.
Giuseppe Carafiore, mtsogoleri wa ukadaulo wa Meta wa AR waveguide, adazindikira kuti kuchuluka kwa refractive index ya silicon carbide komanso kutentha kwa kutentha kumapangitsa kuti ikhale chinthu choyenera magalasi a AR. Pambuyo posankha chinthucho, vuto lotsatira linali kupanga waveguide, makamaka njira yolumikizira kuwala mkati ndi kunja kwa lens. Carafiore adafotokoza kuti grating, yomwe imayang'anira kulumikizana kwa kuwala kulowa ndi kutuluka mu lens, iyenera kugwiritsa ntchito slanted etching. Mizere yolumikizidwa siili yolunjika koma imagawidwa pa ngodya yopendekeka. Nihar Mohanty adawonjezera kuti anali gulu loyamba padziko lonse lapansi kukwaniritsa slanted etching mwachindunji pazida. Mu 2019, Nihar Mohanty ndi gulu lake adapanga mzere wopangira wapadera. Zisanachitike izi, panalibe zida zojambulira ma waveguide a silicon carbide, komanso ukadaulo sunali wotheka kunja kwa labu.
Mavuto ndi Ziyembekezo za Mtsogolo za Silicon Carbide
Ngakhale kuti silicon carbide ikuwonetsa kuthekera kwakukulu mu magalasi a AR, kugwiritsidwa ntchito kwake kukukumana ndi mavuto angapo. Pakadali pano, zinthu za silicon carbide ndizokwera mtengo chifukwa cha kukula kwake pang'onopang'ono komanso kukonzedwa kovuta. Mwachitsanzo, lenzi imodzi ya silicon carbide ya magalasi a Meta's Orion AR imadula mpaka $1,000, zomwe zimapangitsa kuti zikhale zovuta kukwaniritsa zosowa za ogula. Komabe, chifukwa cha kukula kwachangu kwa makampani opanga magalimoto amagetsi, mtengo wa silicon carbide ukuchepa pang'onopang'ono. Kuphatikiza apo, kupanga zinthu zazikulu (monga ma wafers a mainchesi 12) kudzapititsa patsogolo kuchepetsa ndalama ndikuwongolera magwiridwe antchito.
Kuuma kwakukulu kwa silicon carbide kumapangitsanso kuti zikhale zovuta kukonza, makamaka popanga kapangidwe ka micro-nano, zomwe zimapangitsa kuti pakhale zokolola zochepa. M'tsogolomu, ndi mgwirizano wozama pakati pa ogulitsa substrate ya silicon carbide ndi opanga ma micro-nano optical, vutoli likuyembekezeka kuthetsedwa. Kugwiritsa ntchito kwa silicon carbide m'magalasi a AR kukadali koyambirira, zomwe zimafuna makampani ambiri kuti azigwiritsa ntchito kafukufuku wa silicon carbide wa optical-grade komanso kupanga zida. Gulu la Meta likuyembekeza kuti opanga ena ayambe kupanga zida zawo, pamene makampani ambiri akamaika ndalama zambiri mu kafukufuku ndi zida za silicon carbide wa optical-grade, chilengedwe cha makampani opanga magalasi a AR chidzakhala cholimba kwambiri.
Mapeto
Silicon carbide, yokhala ndi refractive index yake yapamwamba, kutentha bwino kwambiri, komanso kuuma kwake kwakukulu, ikukhala chinthu chofunikira kwambiri pakupanga magalasi a AR. Kuyambira mgwirizano pakati pa XINKEHUI ndi MOD MICRO-NANO mpaka kugwiritsa ntchito bwino silicon carbide mu magalasi a Meta a Orion AR, kuthekera kwa silicon carbide mu magalasi anzeru kwawonetsedwa mokwanira. Ngakhale kuti pali zovuta monga mtengo ndi zopinga zaukadaulo, pamene unyolo wamakampani ukukulirakulira ndipo ukadaulo ukupitirira kupita patsogolo, silicon carbide ikuyembekezeka kuwala m'magalasi a AR, kuyendetsa magalasi anzeru kuti agwire bwino ntchito, kulemera kopepuka, komanso kugwiritsa ntchito bwino. M'tsogolomu, silicon carbide ikhoza kukhala chinthu chofunikira kwambiri mumakampani a AR, kuyambitsa nthawi yatsopano ya magalasi anzeru.
Kuthekera kwa silicon carbide sikungokhala pa magalasi a AR okha; kugwiritsa ntchito kwake m'mafakitale osiyanasiyana mu zamagetsi ndi ma photonics kukuwonetsanso mwayi waukulu. Mwachitsanzo, kugwiritsa ntchito silicon carbide mu quantum computing ndi zida zamagetsi zamagetsi zamphamvu kwambiri kukufufuzidwa mwachangu. Pamene ukadaulo ukupita patsogolo ndipo ndalama zikuchepa, silicon carbide ikuyembekezeka kukhala ndi gawo lofunikira m'magawo ambiri, kufulumizitsa chitukuko cha mafakitale ena ofanana. Tikhoza kupereka SiC wafer pa ntchito zosiyanasiyana, kuthandizira kupita patsogolo muukadaulo wa AR komanso kupitirira apo.
Zofanana ndi izi
8Inch 200mm 4H-N SiC Wafer Conductive dummy research grade
Nthawi yotumizira: Epulo-01-2025