Ka nts'etsopele e potlakileng ea theknoloji ea 'nete e ntlafalitsoeng (AR), likhalase tse bohlale, e le sesebelisoa sa bohlokoa sa theknoloji ea AR, li ntse li fetoha butle-butle ho tloha khopolong ho ea ho 'nete. Leha ho le joalo, ho amoheloa ho pharaletseng ha likhalase tse bohlale ho ntse ho tobane le liphephetso tse ngata tsa tekheniki, haholo-holo mabapi le theknoloji ea ponts'o, boima, ho qhibiliha ha mocheso, le ts'ebetso ea optical. Lilemong tsa morao tjena, silicon carbide (SiC), e le thepa e hlahang, e sebelisitsoe haholo lisebelisoa tse fapaneng tsa semiconductor ea matla le li-module. Hona joale e kena tšimong ea likhalase tsa AR e le thepa ea bohlokoa. Silicon carbide e na le index e phahameng ea refractive, thepa e ntle ea ho qhibiliha ha mocheso, le ho thatafala ho hoholo, har'a likarolo tse ling, li bontša bokhoni bo boholo ba ts'ebeliso theknolojing ea ponts'o, moralo o bobebe, le ho qhibiliha ha mocheso ha likhalase tsa AR. Re ka fana kaSiC wafer, e leng karolo ea bohlokoa ho ntlafatseng libaka tsena. Ka tlase, re tla hlahloba kamoo silicon carbide e ka tlisang liphetoho tse ncha likhalaseng tse bohlale ho tloha likarolong tsa thepa ea eona, tsoelo-pele ea theknoloji, lits'ebetso tsa 'maraka le litebello tsa bokamoso.
Matlotlo le Melemo ea Silicon Carbide
Silicon carbide ke thepa ea semiconductor e nang le lekhalo le leholo e nang le thepa e ntle haholo e kang ho thatafala ho hoholo, ho khanna mocheso ho hoholo, le index e phahameng ea refractive. Litšobotsi tsena li e fa monyetla o moholo oa ho sebelisoa lisebelisoa tsa elektroniki, lisebelisoa tsa mahlo le tsamaiso ea mocheso. Haholo-holo lefapheng la likhalase tse bohlale, melemo ea silicon carbide e bonahala haholo-holo likarolong tse latelang:
Index e Phahameng ea Refractive: Carbide ea silicon e na le index ea refractive e fetang 2.6, e phahameng haholo ho feta thepa ea setso joalo ka resin (1.51-1.74) le khalase (1.5-1.9). Index e phahameng ea refractive e bolela hore carbide ea silicon e ka thibela ho ata ha leseli ka katleho, ea fokotsa tahlehelo ea matla a leseli, ka hona ea ntlafatsa khanya ea ponts'o le pono ea tšimo (FOV). Mohlala, likhalase tsa Meta tsa Orion AR li sebelisa theknoloji ea tataiso ea maqhubu a silicon carbide, e fihlelang pono ea likhato tse 70, e fetang hōle pono ea likhato tse 40 ea thepa ea khalase ea setso.
Ho Hasana ha Mocheso ka Botle: Carbide ea silicon e na le ho hasana ha mocheso ka makhetlo a makholo ho feta khalase e tloaelehileng, e leng se nolofalletsang ho hasana ha mocheso ka potlako. Ho hasana ha mocheso ke bothata ba bohlokoa bakeng sa likhalase tsa AR, haholo-holo nakong ea lipontšo tse khanyang haholo le tšebeliso e telele. Lilense tsa carbide ea silicon li ka fetisa mocheso o hlahisoang ke likarolo tsa optical kapele, ho ntlafatsa botsitso le bophelo ba sesebelisoa. Re ka fana ka wafer ea SiC e netefatsang tsamaiso e sebetsang ea mocheso lits'ebetsong tse joalo.
Ho Tiea le ho Hanela ho Tloha ho Hoholo: Carbide ea silicon ke e 'ngoe ea thepa e thata ka ho fetisisa e tsejoang, e latela daemane feela. Sena se etsa hore lilense tsa carbide ea silicon li se ke tsa tsofala habonolo, li lokele tšebeliso ea letsatsi le letsatsi. Ka lehlakoreng le leng, thepa ea khalase le resin e na le menyetla e mengata ea ho ngoathoa, e leng se amang phihlelo ea mosebelisi.
Phello e Khahlanong le Mookoli: Lisebelisoa tsa khalase tsa setso likhalaseng tsa AR li atisa ho hlahisa phello ea mookoli, moo leseli le potolohileng le bonahatsang bokaholimo ba leqhubu la maqhubu, le hlahisang mekhoa ea khanya ea mebala e matla. Silicon carbide e ka felisa bothata bona ka katleho ka ho ntlafatsa sebopeho sa grating, ka hona e ntlafatsa boleng ba ponts'o le ho felisa phello ea mookoli e bakoang ke ho bonahatsa khanya e potolohileng bokaholimong ba leqhubu la maqhubu.
Lintlafatso tsa Theknoloji tsa Silicon Carbide ho Likhalase tsa AR
Lilemong tsa morao tjena, tsoelo-pele ea theknoloji ea silicon carbide likhalaseng tsa AR e shebane haholo le nts'etsopele ea lilense tsa waveguide tsa diffraction. Molaetsa oa waveguide oa diffraction ke theknoloji ea ponts'o e kopanyang ketsahalo ea diffraction ea leseli le meaho ea waveguide ho jala litšoantšo tse hlahisoang ke likarolo tsa optical ka grating e ka har'a lense. Sena se fokotsa botenya ba lense, e leng se etsang hore likhalase tsa AR li shebahale li le haufi le mahlo a tloaelehileng.
Ka Mphalane 2024, Meta (eo pele e neng e le Facebook) e hlahisitse tshebediso ya di-waveguide tse nang le silicon carbide tse kopantsweng le di-microLED digalaseng tsa yona tsa Orion AR, e rarolla mathata a bohlokwa masimong a kang sebaka sa pono, boima, le dintho tsa kgale tsa mahlo. Rasaense wa mahlo wa Meta Pascual Rivera o boletse hore theknoloji ya di-waveguide tsa silicon carbide e fetotse boleng ba pontsho ya digalase tsa AR ka botlalo, e fetola phihlelo ho tloha ho "matheba a mabone a kang a disco-ball" ho ya ho "phihlelo e kgutsitseng e kang ya holo ya konsarete."
Ka Tshitwe 2024, XINKEHUI e atlehile ho ntshetsa pele substrate ya pele ya kristale ya silicon carbide e nang le semi-insulating ya di-inch tse 12 lefatsheng, e leng se bontshang katleho e kgolo tshimong ya di-substrate tse kgolo. Theknoloji ena e tla potlakisa tshebediso ya silicon carbide maemong a matjha a tshebediso jwalo ka digalase tsa AR le di-heat sinks. Mohlala, wafer ya silicon carbide ya di-inch tse 12 e ka hlahisa dipara tse 8-9 tsa digalase tsa AR, e ntlafatsang haholo bokgoni ba tlhahiso. Re ka fana ka wafer ya SiC ho tshehetsa ditshebediso tse jwalo indastering ya digalase tsa AR.
Haufinyane tjena, mofani oa thepa ea silicon carbide substrate XINKEHUI o sebelisane le k'hamphani ea lisebelisoa tsa micro-nano optoelectronic MOD MICRO-NANO ho theha khoebo e kopanetsoeng e shebaneng le nts'etsopele le papatso ea 'maraka oa theknoloji ea lense ea waveguide ea AR diffraction. XINKEHUI, ka boiphihlelo ba eona ba botekgeniki ho li-substrate tsa silicon carbide, e tla fana ka li-substrate tsa boleng bo holimo bakeng sa MOD MICRO-NANO, e tla sebelisa melemo ea eona theknolojing ea optical ea micro-nano le ts'ebetsong ea waveguide ea AR ho ntlafatsa ts'ebetso ea li-waveguide tsa diffraction haholoanyane. Tšebelisano-'moho ena e lebelletsoe ho potlakisa tsoelo-pele ea theknoloji likhalaseng tsa AR, e khothaletsa ho tsamaea ha indasteri ho ea ts'ebetsong e phahameng le meralo e bobebe.
Pontšong ea 2025 SPIE AR|VR|MR, MOD MICRO-NANO e hlahisitse lilense tsa eona tsa khalase tsa AR tsa moloko oa bobeli tsa silicon carbide, tse boima ba ligrama tse 2.7 feela 'me li le botenya ba limilimithara tse 0.55 feela, tse bobebe ho feta likhalase tsa letsatsi tse tloaelehileng, e fa basebelisi phihlelo e batlang e sa bonahale ea ho apara, e fihlella moralo o "bobebe" ba 'nete.
Maemo a Tšebeliso ea Silicon Carbide ka Likhalaseng tsa AR
Mokgweng wa tlhahiso ya di-waveguides tsa silicon carbide, sehlopha sa Meta se ile sa hlola diphephetso tsa theknoloji ya ho betla ka ho tjheseletsa. Motsamaisi wa dipatlisiso Nihar Mohanty o hlalositse hore ho betla ka ho tjheseletsa ke theknoloji ya ho betla ka ho tjheseletsa e seng ya setso e betlang mela ka sekhutlo se sekametseng ho ntlafatsa kgokelo ya lesedi le bokgoni ba ho qhaqholla. Katleho ena e thehile motheo wa ho amohelwa ha silicon carbide ka bongata digalaseng tsa AR.
Likhalase tsa Meta tsa Orion AR ke ts'ebeliso e emelang theknoloji ea silicon carbide ho AR. Ka ho sebelisa theknoloji ea waveguide ea silicon carbide, Orion e fihlella tšimo ea pono ea likhato tse 70 'me e sebetsana ka katleho le mathata a kang ghosting le phello ea mookoli.
Giuseppe Carafiore, moetapele oa theknoloji ea tataiso ea maqhubu a AR ea Meta, o hlokometse hore index e phahameng ea refractive ea silicon carbide le conductivity ea mocheso li etsa hore e be thepa e loketseng likhalase tsa AR. Kamora ho khetha thepa, phephetso e latelang e ne e le ho nts'etsapele tataiso ea maqhubu, haholo-holo ts'ebetso ea ho hlaba e sekameng bakeng sa grating. Carafiore o hlalositse hore grating, e ikarabellang bakeng sa ho kopanya leseli le ho tsoa lenseng, e tlameha ho sebelisa ho hlaba ho sekameng. Mela e hlabang ha e hlophisitsoe ka ho otloloha empa e ajoa ka sekhutlo se sekametseng. Nihar Mohanty o ekelitse ka hore e ne e le sehlopha sa pele lefatšeng ka bophara ho fihlela ho hlaba ho sekameng ka kotloloho lisebelisoa. Ka 2019, Nihar Mohanty le sehlopha sa hae ba ile ba haha mohala o inehetseng oa tlhahiso. Pele ho moo, ho ne ho se na lisebelisoa tse fumanehang ho hlaba maqhubu a maqhubu a silicon carbide, leha e le hore theknoloji e ne e sa khonehe ka ntle ho laboratori.
Liphephetso le Litebello tsa Nakong e Tlang tsa Silicon Carbide
Leha silicon carbide e bonts'a bokhoni bo boholo likhalaseng tsa AR, ts'ebeliso ea eona e ntse e tobane le liphephetso tse 'maloa. Hona joale, thepa ea silicon carbide e theko e boima ka lebaka la sekhahla sa eona sa kholo se liehang le ts'ebetso e thata. Mohlala, lense e le 'ngoe ea silicon carbide bakeng sa likhalase tsa Meta tsa Orion AR e bitsa chelete e kaalo ka $1,000, e leng se etsang hore ho be thata ho fihlela litlhoko tsa' maraka oa bareki. Leha ho le joalo, ka nts'etsopele e potlakileng ea indasteri ea likoloi tsa motlakase, litšenyehelo tsa silicon carbide li ntse li fokotseha butle-butle. Ho feta moo, nts'etsopele ea li-substrate tse kholo (tse kang li-wafer tsa lisenthimithara tse 12) e tla tsoela pele ho fokotsa litšenyehelo le ntlafatso ea bokhoni.
Ho thatafala ho hoholo ha silicon carbide ho boetse ho etsa hore ho be thata ho sebetsana le yona, haholo-holo tlhahisong ya sebopeho sa micro-nano, e leng se lebisang ho sekgahla se tlase sa tlhahiso. Nakong e tlang, ka tshebedisano e tebileng pakeng tsa bafepedi ba substrate ya silicon carbide le bahlahisi ba micro-nano optical, bothata bona bo lebelletswe ho rarollwa. Tshebediso ya silicon carbide digalaseng tsa AR e ntse e le mekgahlelong ya yona ya pele, e hlokang hore dikhamphani tse ngata di tsetele dipatlisisong tsa silicon carbide tsa optical-grade le ntshetsopeleng ya disebediswa. Sehlopha sa Meta se lebeletse hore bahlahisi ba bang ba qale ho ntshetsa pele disebediswa tsa bona, ha dikhamphani tse ngata di tsetela dipatlisisong le disebedisweng tsa silicon carbide tsa optical-grade, tikoloho ya indasteri ya digalase tsa AR tsa bareki e tla ba matla le ho feta.
Qetello
Silicon carbide, e nang le index e phahameng ea refractive, ho qhala mocheso hantle, le ho ba thata haholo, e fetoha thepa ea bohlokoa lefapheng la likhalase tsa AR. Ho tloha tšebelisanong pakeng tsa XINKEHUI le MOD MICRO-NANO ho isa ts'ebelisong e atlehileng ea silicon carbide likhalaseng tsa Orion AR tsa Meta, bokhoni ba silicon carbide likhalaseng tse bohlale bo bontšitsoe ka botlalo. Ho sa tsotellehe liphephetso tse kang litšenyehelo le mathata a tekheniki, ha ketane ea indasteri e ntse e hola 'me theknoloji e ntse e tsoela pele, silicon carbide e lebelletsoe ho khanya tšimong ea likhalase tsa AR, e khanna likhalase tse bohlale ho ea ts'ebetsong e phahameng, boima bo bobebe, le ho amoheloa ka bongata. Nakong e tlang, silicon carbide e ka ba thepa e ka sehloohong indastering ea AR, e tlisang mehla e mecha ea likhalase tse bohlale.
Bokhoni ba silicon carbide ha bo felle feela likhalaseng tsa AR; lits'ebetso tsa eona tsa indasteri e fapaneng ho tsa elektroniki le tsa photonics le tsona li bonts'a menyetla e meholo. Mohlala, ts'ebeliso ea silicon carbide ho quantum computing le lisebelisoa tsa elektroniki tse matla haholo e ntse e hlahlojoa ka mafolofolo. Ha theknoloji e ntse e tsoela pele 'me litšenyehelo li fokotseha, silicon carbide e lebelletsoe ho bapala karolo ea bohlokoa masimong a mangata, ho potlakisa nts'etsopele ea liindasteri tse amanang. Re ka fana ka SiC wafer bakeng sa lits'ebetso tse fapaneng, ho ts'ehetsa tsoelo-pele theknolojing ea AR le ho feta.
Sehlahisoa se amanang
Sekhahla sa lipatlisiso sa dummy sa 8Inch 200mm 4H-N SiC Wafer
Nako ea poso: Mmesa-01-2025