Nekukurumidza kukura kwetekinoroji yeAugmented Reality (AR), magirazi akangwara, semutakuri akakosha wetekinoroji yeAR, ari kuchinja zvishoma nezvishoma kubva papfungwa kuenda kuchokwadi. Zvisinei, kushandiswa kwakapararira kwemagirazi akangwara kuchiri kusangana nematambudziko mazhinji ehunyanzvi, kunyanya maererano netekinoroji yekuratidza, huremu, kupisa, uye mashandiro ekuona. Mumakore achangopfuura, silicon carbide (SiC), sechinhu chiri kubuda, chave chichishandiswa zvakanyanya mumidziyo yakasiyana-siyana yemagetsi uye mamodule. Iye zvino iri kupinda mumunda wemagirazi eAR sechinhu chakakosha. Silicon carbide's high refractive index, hunhu hwakanaka hwekudzima kupisa, uye kuomarara kwakanyanya, pakati pezvimwe zvinhu, zvinoratidza mukana wakakura wekushandiswa mutekinoroji yekuratidza, dhizaini yakareruka, uye kupisa kwemagirazi eAR. Tinogona kupaSiC wafer, iyo inoita basa guru mukuvandudza nzvimbo idzi. Pazasi, tichaongorora kuti silicon carbide inogona sei kuunza shanduko huru kumagirazi akangwara kubva pazvinhu zvehunhu hwayo, budiriro yetekinoroji, mashandisirwo emusika, uye tarisiro yeramangwana.
Hunhu uye Mabhenefiti eSilicon Carbide
Silicon carbide chinhu chakakura che semiconductor chine hunhu hwakanaka hwakadai sekuomarara kwakanyanya, kupisa kwakanyanya, uye refractive index yakakwira. Hunhu uhwu hunoipa mukana wakakura wekushandiswa mumidziyo yemagetsi, michina yemaziso, uye manejimendi yekupisa. Kunyanya mumunda wemagirazi akangwara, mabhenefiti esilicon carbide anonyanya kuratidzwa mune zvinotevera:
High Refractive Index: Silicon carbide ine refractive index inopfuura 2.6, yakakwirira zvikuru pane zvinhu zvechinyakare zvakaita se resin (1.51-1.74) negirazi (1.5-1.9). High refractive index zvinoreva kuti silicon carbide inogona kudzikamisa kupararira kwechiedza, ichideredza kurasikirwa nesimba rechiedza, nokudaro ichivandudza kupenya kwechiedza uye field of view (FOV). Semuenzaniso, magirazi eMeta's Orion AR anoshandisa tekinoroji yesilicon carbide waveguide, ichiwana field of view ye70-degree, ichipfuura field of view ye40-degree yezvinhu zvegirazi zvechinyakare.
Kupisa Kwakanaka Kwazvo: Silicon carbide ine simba rekupisa rakapetwa kazana kupfuura regirazi remazuva ose, zvichiita kuti kupisa kupfuure nekukurumidza. Kupisa kunopisa inyaya huru kumagirazi eAR, kunyanya panguva yekupenya kwakanyanya uye kushandiswa kwenguva refu. Magirazi eSilicon carbide anogona kukurumidza kutamisa kupisa kunogadzirwa nezvikamu zve optical, zvichiwedzera kugadzikana uye hupenyu hwechishandiso. Tinogona kupa SiC wafer iyo inovimbisa kutonga kwakanaka kwekupisa mumashandisirwo akadaro.
Kuomarara Kwakanyanya uye Kusapfeka: Silicon carbide chimwe chezvinhu zvakaoma zvikuru chinozivikanwa, chiri chechipiri kune dhaimani. Izvi zvinoita kuti magirazi esilicon carbide asashande zvakanyanya, zvakakodzera kushandiswa kwezuva nezuva. Kusiyana neizvi, zvinhu zvegirazi neresin zvinowanzokwenywa, izvo zvinokanganisa ruzivo rwemushandisi.
Kurwisa Muraraungu: Zvinhu zvegirazi zvechinyakare mumagirazi eAR zvinowanzo gadzira muraraungu, apo chiedza chemudenga chinopenya kubva pamusoro pemafungu, zvichigadzira mapatani echiedza chemavara anochinja-chinja. Silicon carbide inogona kubvisa dambudziko iri nekuvandudza chimiro chegirafu, nokudaro ichivandudza kunaka kwechiratidziro uye kubvisa muraraungu unokonzereswa nekupenya kwechiedza chemudenga pamusoro pemafungu.
Kubudirira kwetekinoroji kweSilicon Carbide muAR Glasses
Mumakore achangopfuura, kufambira mberi kwetekinoroji kwesilicon carbide mumagirazi eAR kwakanyanya kutarisa pakugadzirwa kwemalenzi e diffraction waveguide. Diffraction waveguide itekinoroji yekuratidza inosanganisa diffraction phenomenon yechiedza nemagadzirirwo e waveguide kuparadzira mifananidzo inogadzirwa nezvikamu zve optical kuburikidza ne grating iri mu lenzi. Izvi zvinoderedza ukobvu hwe lenzi, zvichiita kuti magirazi eAR ataridzike seari pedyo nemaziso akajairika.
Muna Gumiguru 2024, Meta (yaimbova Facebook) yakatanga kushandisa ma "silicon carbide-etched waveguides" pamwe chete nema "microLEDs" mumagirazi ayo eOrion AR, zvichigadzirisa matambudziko makuru muminda yakadai se "field of view", huremu, uye optical artifacts. Nyanzvi yeMeta ye optical Pascual Rivera yakati tekinoroji ye "silicon carbide waveguide" yakachinja zvachose kunaka kwemagirazi eAR, ichichinja ruzivo kubva pa "disco-ball-like rainbow light spots" kuenda ku "concert hall selute."
Muna Zvita 2024, XINKEHUI yakabudirira kugadzira substrate yekutanga yepasi rose ye12-inch high-purity semi-insulating silicon carbide single crystal substrate, zvichiratidza budiriro huru mumunda we substrates hombe. Iyi tekinoroji ichakurumidzisa kushandiswa kwesilicon carbide muzvishandiso zvitsva zvakaita semagirazi eAR nema heat sinks. Semuenzaniso, wafer yesilicon carbide ye12-inch inogona kugadzira magirazi eAR 8-9, zvichivandudza zvakanyanya kushanda zvakanaka kwekugadzira. Tinogona kupa SiC wafer kutsigira mashandisirwo akadaro muindasitiri yemagirazi eAR.
Munguva pfupi yapfuura, mupi wemidziyo yesilicon carbide substrate XINKEHUI yakabatana nekambani yemidziyo yemicro-nano optoelectronic MOD MICRO-NANO kuti vagadzire mubatanidzwa wakatarisana nekuvandudzwa nekusimudzirwa kwemusika kwetekinoroji yeAR diffraction waveguide lens. XINKEHUI, nehunyanzvi hwayo mumidziyo yesilicon carbide substrates, ichapa michina yemhando yepamusoro yeMOD MICRO-NANO, iyo ichashandisa zvakanakira zvayo mutekinoroji yemicro-nano optical uye AR waveguide processing kuti iwedzere kugadzirisa mashandiro emidziyo yediffraction waveguide. Kubatana uku kunotarisirwa kukurumidzisa kufambira mberi kwetekinoroji mumagirazi eAR, zvichikurudzira kufambira mberi kweindasitiri kuenda kumabasa epamusoro uye magadzirirwo akareruka.
Pakuratidzwa kweSPIE AR|VR|MR kwa2025, MOD MICRO-NANO yakapa magirazi ayo egirazi echizvarwa chechipiri esilicon carbide AR, anorema magiramu 2.7 chete uye ane ukobvu hwemamilimita 0.55 chete, akareruka kupfuura magirazi ezuva enguva dzose, ichipa vashandisi ruzivo rwekupfeka rusingaonekwe, vachiwana dhizaini "yakareruka" zvechokwadi.
Nyaya dzekushandisa Silicon Carbide muAR Glasses
Mukugadzirwa kwema "silicon carbide waveguides", timu yaMeta yakakunda matambudziko e "slanted etching technology". Maneja wekutsvaga ruzivo Nihar Mohanty akatsanangura kuti "slanted etching" inyanzvi isiri yechinyakare ye "grating" iyo inocheka mitsetse pakona yakatsamira kuti iwedzere kubatana kwechiedza uye kushanda zvakanaka kwe "decoupling". Kubudirira uku kwakaisa hwaro hwekushandiswa kwe "silicon carbide" mumagirazi eAR.
Magirazi eMeta eOrion AR anomiririra tekinoroji yesilicon carbide muAR. Nekushandisa tekinoroji yesilicon carbide waveguide, Orion inowana maonero e70-degree uye inogadzirisa zvinobudirira matambudziko akadai se ghosting uye rainbow effect.
Giuseppe Carafiore, mutungamiriri wetekinoroji yeAR waveguide yeMeta, akataura kuti silicon carbide ine refractive index yakakwira uye thermal conductivity inoita kuti ive chinhu chakanakira magirazi eAR. Mushure mekusarudza chinhu chacho, dambudziko rinotevera raive rekugadzira waveguide, kunyanya maitiro ekucheka akatsveyama egrating. Carafiore akatsanangura kuti grating, iyo inokonzera kubatanidza chiedza mukati nekubuda mu lens, inofanira kushandisa slanted etching. Mitsetse yakatsveyama haina kurongwa yakatwasuka asi inoparadzirwa pakona yakatsveyama. Nihar Mohanty akawedzera kuti ndivo vaive timu yekutanga pasi rose kuwana slanted etching zvakananga pamidziyo. Muna 2019, Nihar Mohanty nechikwata chake vakagadzira tambo yekugadzira yakatsaurirwa. Izvi zvisati zvaitika, hapana michina yaivepo yekucheka magirazi esilicon carbide, uye tekinoroji yacho yaisakwanisika kunze kwelab.
Matambudziko uye Tariro Yeramangwana yeSilicon Carbide
Kunyangwe hazvo silicon carbide ichiratidza kugona kukuru mumagirazi eAR, kushandiswa kwayo kuchiri kutarisana nematambudziko akati wandei. Parizvino, zvinhu zvesilicon carbide zvinodhura nekuda kwekukura kwayo zvishoma nezvishoma uye kuoma kwekugadzirisa. Semuenzaniso, lenzi imwe chete yesilicon carbide yemagirazi eMeta's Orion AR inodhura kusvika $1,000, zvichiita kuti zviome kusangana nezvinodiwa nemusika wevatengi. Zvisinei, nekukura nekukurumidza kweindasitiri yemotokari dzemagetsi, mutengo wesilicon carbide uri kudzikira zvishoma nezvishoma. Uyezve, kugadzirwa kwemidziyo mikuru (yakadai sewafers 12-inch) kuchawedzera kudzikisa mitengo uye kuvandudza mashandiro.
Kuomarara kwakanyanya kwesilicon carbide kunoitawo kuti zviome kugadzirisa, kunyanya mukugadzira chivakwa che micro-nano, zvichikonzera goho rakaderera. Mune ramangwana, nekushandira pamwe kwakadzama pakati pevatengesi ve silicon carbide substrate nevagadziri ve micro-nano optical, nyaya iyi inotarisirwa kugadziriswa. Kushandiswa kweSilicon carbide mumagirazi eAR kuchiri muzvikamu zvayo zvekutanga, zvichida kuti makambani akawanda aise mari muongororo ye silicon carbide ye optical-grade uye kugadzira michina. Chikwata cheMeta chinotarisira kuti vamwe vagadziri vatange kugadzira michina yavo, sezvo makambani akawanda achiisa mari muongororo ye silicon carbide ye optical-grade, ndiko kusimba kunoita kuti indasitiri yemagirazi e AR yevatengi ive yakasimba.
Mhedziso
Silicon carbide, ine refractive index yayo yepamusoro, kupisa kwayo kwakanyanya, uye kuomarara kwayo, iri kuva chinhu chakakosha mumunda wemagirazi eAR. Kubva pakushanda pamwe chete pakati peXINKEHUI neMOD MICRO-NANO kusvika pakushandiswa kwesilicon carbide mumagirazi eMeta eOrion AR, kugona kwesilicon carbide mumagirazi akangwara kwakaratidzwa zvizere. Pasinei nematambudziko akadai semutengo uye zvipingamupinyi zvehunyanzvi, sezvo indasitiri ichikura uye tekinoroji ichiramba ichifambira mberi, silicon carbide inotarisirwa kupenya mumunda wemagirazi eAR, ichitungamira magirazi akangwara kuti ashande zvakanaka, areruke, uye ashandiswe zvakanyanya. Mune ramangwana, silicon carbide inogona kuva chinhu chikuru muindasitiri yeAR, ichiunza nguva itsva yemagirazi akangwara.
Kugona kwesilicon carbide hakugumiri pamagirazi eAR chete; mashandisirwo ayo muindasitiri dzakasiyana siyana mumagetsi ne photonics anoratidzawo mikana yakakura. Semuenzaniso, kushandiswa kwesilicon carbide mu quantum computing nemidziyo yemagetsi ine simba guru kuri kuongororwa zvakanyanya. Sezvo tekinoroji ichifambira mberi uye mitengo ichiderera, silicon carbide inotarisirwa kutamba basa guru muminda yakawanda, ichikurumidzisa kukura kwemaindasitiri ane hukama. Tinogona kupa SiC wafer yekushandiswa kwakasiyana-siyana, tichitsigira kufambira mberi mune tekinoroji yeAR uye kune dzimwe nzvimbo.
Chigadzirwa chakafanana
8Inch 200mm 4H-N SiC Wafer Conductive dummy research giredhi
Nguva yekutumira: Kubvumbi-01-2025