Ka nts'etsopele e potlakileng ea thekenoloji ea 'nete e ntseng e eketseha (AR), likhalase tse bohlale, e le sesebelisoa sa bohlokoa sa theknoloji ea AR, butle-butle li fetoha ho tloha mohopolong ho ea ho' nete. Leha ho le joalo, ho ananeloa ha likhalase tse bohlale ho ntse ho tobane le liphephetso tse ngata tsa tekheniki, haholo-holo mabapi le theknoloji ea ponts'o, boima ba 'mele, ho tima mocheso le ts'ebetso ea optical. Lilemong tsa morao tjena, silicon carbide (SiC), e le thepa e hlahang, e 'nile ea sebelisoa haholo ka lisebelisoa tse fapaneng tsa semiconductor ea matla le li-module. Hona joale e kena lebaleng la likhalase tsa AR e le thepa ea bohlokoa. Lenane le phahameng la refractive la Silicon carbide, thepa e babatsehang ea ho qhala mocheso, le boima bo phahameng, har'a likarolo tse ling, li bontša bokhoni bo boholo ba tšebeliso ea theknoloji ea pontšo, moralo o bobebe, le ho senya mocheso oa likhalase tsa AR. Re ka fanaSephaphatha sa SiC, e phethang karolo ea bohlokoa ho ntlafatseng likarolo tsena. Ka tlase, re tla hlahloba hore na silicon carbide e ka tlisa liphetoho joang ho likhalase tse bohlale ho tloha likarolong tsa thepa ea eona, tsoelo-pele ea theknoloji, lisebelisoa tsa 'maraka le litebello tsa nako e tlang.
Thepa le Melemo ea Silicon Carbide
Silicon carbide ke thepa e pharalletseng ea semiconductor e nang le thepa e ntle joalo ka boima bo phahameng, conductivity e phahameng ea mocheso, le index e phahameng ea refractive. Litšobotsi tsena li e fa monyetla o moholo oa ho sebelisoa lisebelisoa tsa elektroniki, lisebelisoa tsa optical le taolo ea mocheso. Haholo-holo lebaleng la likhalase tse bohlale, melemo ea silicon carbide e bonahala haholo maemong a latelang:
High Refractive Index: Silicon carbide e na le index ea refractive ea ho feta 2.6, e phahameng haholo ho feta lisebelisoa tsa setso tse kang resin (1.51-1.74) le khalase (1.5-1.9). Lenane le phahameng la "refractive index" le bolela hore silicon carbide e khona ho thibela ho ata ha leseli, ho fokotsa tahlehelo ea matla a khanya, kahoo e ntlafatsa ho khanya le pono ea pono (FOV). Ka mohlala, likhalase tsa Meta's Orion AR li sebelisa theknoloji ea silicon carbide waveguide, ho finyella sebaka sa pono sa 70-degree, se fetang hōle sebaka sa 40-degree ea pono ea lisebelisoa tsa khale tsa khalase.
Phallo e Ntle ea Mocheso: Silicon carbide e na le conductivity ea mocheso ka makhetlo a makholo ho feta ea khalase e tloaelehileng, e nolofalletsang ho tsamaisa mocheso ka potlako. Ho senya mocheso ke taba ea bohlokoa bakeng sa likhalase tsa AR, haholo-holo nakong ea lipontšo tse khanyang haholo le tšebeliso ea nako e telele. Lilense tsa Silicon carbide li ka fetisetsa mocheso o hlahisoang ke lisebelisoa tsa optical ka potlako, ho ntlafatsa botsitso le bophelo ba sesebelisoa. Re ka fana ka SiC wafer e netefatsang taolo e sebetsang ea mocheso lits'ebetsong tse joalo.
Boima bo phahameng le bo hanang ho roala: Silicon carbide ke e 'ngoe ea thepa e thata ka ho fetisisa e tsejoang, ea bobeli ho daemane. Sena se etsa hore lilense tsa silicon carbide li se ke tsa apara, tse loketseng tšebeliso ea letsatsi le letsatsi. Ka lehlakoreng le leng, lisebelisoa tsa khalase le resin li na le menyetla e mengata ea ho ba le mengoapo, e amang boiphihlelo ba mosebelisi.
Anti-Rainbow Effect: Lisebelisoa tsa khale tsa khalase ka likhalase tsa AR li atisa ho hlahisa phello ea mookoli, moo leseli le leng teng le hlahang holim'a waveguide, ho theha mekhoa e khanyang ea mebala. Silicon carbide e ka felisa taba ena ka katleho ka ho ntlafatsa sebopeho sa grating, ka hona ho ntlafatsa boleng ba ponts'o le ho felisa phello ea mookoli e bakoang ke ho bonahatsa khanya e teng sebakeng sa waveguide.
Katleho ea Theknoloji ea Silicon Carbide ka Likhalase tsa AR
Lilemong tsa morao tjena, tsoelo-pele ea theknoloji ea silicon carbide ka likhalase tsa AR e tsepamisitse maikutlo haholo ho nts'etsopele ea lilense tsa maqhubu a diffraction. Diffraction waveguide ke theknoloji e bonts'ang e kopanyang ketsahalo ea diffraction ea leseli le meaho ea waveguide ho phatlalatsa litšoantšo tse hlahisoang ke likarolo tsa optical ka grating ka lense. Sena se fokotsa botenya ba lense, ho etsa hore likhalase tsa AR li shebahale haufi le liaparo tsa mahlo tse tloaelehileng.
Ka Mphalane 2024, Meta (eo pele e neng e le Facebook) e ile ea hlahisa tšebeliso ea li-waveguide tsa silicon carbide-etched waveguides tse kopantsoeng le li-microLED ka likhalase tsa eona tsa Orion AR, ho rarolla mathata a bohlokoa masimong a joalo ka pono, boima le lintho tsa khale tsa khale. Setsebi sa mahlo sa Meta, Pascual Rivera, se boletse hore theknoloji ea silicon carbide waveguide e fetotse ka botlalo boleng ba likhalase tsa AR, ea fetola boiphihlelo ho tloha ho "mabala a khanyang a kang a disco-ball" ho ea ho "phihlelo ea konsarete e kang holo."
Ka Tšitoe 2024, XINKEHUI e atlehile ho nts'etsapele karolo ea pele ea lefats'e ea 12-inch high-purity semi-insulating silicon carbide single crystal substrate, e tšoaeang katleho e kholo tšimong ea li-substrates tse boholo bo boholo. Theknoloji ena e tla potlakisa ts'ebeliso ea silicon carbide maemong a macha a ts'ebeliso joalo ka likhalase tsa AR le lisinki tsa mocheso. Mohlala, sephaphatha sa silicon carbide sa 12-inch se ka hlahisa lipara tse 8-9 tsa lilense tsa likhalase tsa AR, tsa ntlafatsa haholo katleho ea tlhahiso. Re ka fana ka SiC wafer ho ts'ehetsa lits'ebetso tse joalo indastering ea likhalase tsa AR.
Haufinyane tjena, morekisi oa 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 ea theknoloji ea lense ea AR diffraction waveguide. XINKEHUI, ka boitseanape ba eona ba botekgeniki ho li-silicon carbide substrates, e tla fana ka li-substrates tsa boleng bo holimo tsa MOD MICRO-NANO, e tla sebelisa melemo ea eona ho theknoloji ea micro-nano optical le ts'ebetso ea waveguide ea AR ho ntlafatsa ts'ebetso ea maqhubu a diffraction waveguides. Tšebelisano ena e lebelletsoe ho potlakisa tsoelo-pele ea theknoloji ka likhalase tsa AR, ho khothaletsa ts'ebetso ea indasteri ho ea tšebetsong e holimo le meralo e bobebe.
Pontšong ea 2025 SPIE AR | VR|MR, MOD MICRO-NANO e hlahisitse lilense tsa eona tsa moloko oa bobeli oa silicon carbide AR, tse boima ba ligrama tse 2.7 feela le botenya ba limilimithara tse 0.55 feela, tse bobebe ho feta likhalase tsa letsatsi tse tloaelehileng, tse fang basebelisi boiphihlelo bo sa bonahaleng ba ho apara, ho fihlela moetso o bobebe oa 'nete.
Maemo a Kopo a Silicon Carbide ka Likhalase tsa AR
Ts'ebetsong ea tlhahiso ea li-waveguides tsa silicon carbide, sehlopha sa Meta se ile sa hlola liqholotso tsa theknoloji e thellisang ea etching. Motsamaisi oa lipatlisiso Nihar Mohanty o hlalositse hore etching e thellisitsoeng ke tekhenoloji eo e seng ea setso ea grating e hlophisang mela ka lehlakoreng le le leng ho ntlafatsa khokahano ea leseli le ho kopanya hantle. Katleho ena e thehile motheo oa ho amoheloa ka bongata ha silicon carbide ka likhalase tsa AR.
Likhalase tsa Meta's Orion AR ke ts'ebeliso e emelang theknoloji ea silicon carbide ho AR. Ka ho sebelisa theknoloji ea silicon carbide waveguide, Orion e fihlella sebaka sa pono sa 70-degree mme e sebetsana ka katleho le litaba tse kang ghosting le phello ea mookoli.
Giuseppe Carafiore, moetapele oa theknoloji ea Meta's AR waveguide, o hlokometse hore silicon carbide's high refractive index le thermal conductivity e etsa hore e be thepa e loketseng bakeng sa likhalase tsa AR. Ka mor'a ho khetha boitsebiso, phephetso e latelang e ne e le ho hlahisa waveguide, haholo-holo mokhoa o tsitsitseng oa etching bakeng sa grating. Carafiore o hlalositse hore grating, e ikarabellang bakeng sa ho kopanya leseli ho kena le ho tsoa ka lense, e tlameha ho sebelisa etching e sebiloeng. Methapo e kentsoeng ha e hlophisoe ho ea holimo empa e ajoa ka lehlakoreng le sekametseng. Nihar Mohanty o ekelitse hore ke sehlopha sa pele lefatšeng ka bophara ho fihlela etching e theohileng ka kotloloho ho lisebelisoa. Ka selemo sa 2019, Nihar Mohanty le sehlopha sa hae ba ile ba theha mohala o ikemiselitseng oa tlhahiso. Pele ho moo, ho ne ho se na lisebelisoa tse neng li fumaneha ho kenya li-waveguides tsa silicon carbide, leha e le hore theknoloji e ne e le teng ka ntle ho lab.
Mathata le Litebello tsa Bokamoso ba Silicon Carbide
Le hoja silicon carbide e bontša bokhoni bo boholo ka likhalase tsa AR, ts'ebeliso ea eona e ntse e tobana le mathata a 'maloa. Hona joale, thepa ea silicon carbide e theko e boima ka lebaka la sekhahla sa eona sa ho hōla butle le ho sebetsa ka thata. Mohlala, lense e le 'ngoe ea silicon carbide bakeng sa likhalase tsa Meta's Orion AR e bitsa chelete e kaalo ka $1,000, e leng ho etsang hore ho be thata ho fihlela litlhoko tsa mmaraka oa bareki. Leha ho le joalo, ka tsoelo-pele e potlakileng ea indasteri ea likoloi tsa motlakase, theko ea silicon carbide e ntse e fokotseha butle-butle. Ho feta moo, nts'etsopele ea li-substrates tsa boholo bo boholo (joalo ka li-wafers tsa 12-inch) li tla tsoela pele ho fokotsa litšenyehelo le ntlafatso ea ts'ebetso.
Ho thatafala ho phahameng ha silicon carbide ho boetse ho etsa hore ho be thata ho sebetsa, haholo-holo ka thepa ea sebopeho sa micro-nano, e lebisang ho lihlahisoa tse tlaase. Nakong e tlang, ka tšebelisano e tebileng pakeng tsa bafani ba silicon carbide substrate le baetsi ba micro-nano optical, taba ena e lebeletsoe hore e rarolloe. Tšebeliso ea Silicon carbide ka likhalase tsa AR e ntse e le mekhahlelo ea eona ea pele, e hloka hore lik'hamphani tse ngata li tsetele lipatlisisong tsa optical-grade silicon carbide le nts'etsopele ea lisebelisoa. Sehlopha sa Meta se lebelletse hore bahlahisi ba bang ba qale ho iketsetsa lisebelisoa tsa bona, ha lik'hamphani li ntse li tsetela haholoanyane lipatlisisong le lisebelisoa tsa silicon carbide, ke moo sistimi ea indasteri ea likhalase tsa AR e tla matlafala.
Qetello
Silicon carbide, e nang le index ea eona e phahameng ea refractive, phepelo e ntle ea mocheso, le boima bo phahameng, e fetoha lisebelisoa tsa bohlokoa lefapheng la likhalase tsa AR. Ho tloha ts'ebelisanong pakeng tsa XINKEHUI le MOD MICRO-NANO ho ea ho ts'ebeliso e atlehileng ea silicon carbide ka likhalase tsa Meta's Orion AR, bokhoni ba silicon carbide ka likhalase tse bohlale bo bontšitsoe ka botlalo. Leha ho na le mathata a kang litšenyehelo le mathata a tekheniki, ha ketane ea indasteri e ntse e hola le theknoloji e ntse e tsoela pele, silicon carbide e lebelletsoe ho khanya lebaleng la likhalase tsa AR, ho 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 fetoha ntho e ka sehloohong indastering ea AR, e tlisang nako e ncha ea likhalase tse bohlale.
Monyetla oa silicon carbide ha o felle feela ho likhalase tsa AR; lits'ebetso tsa eona tse fapaneng tsa indasteri ea lisebelisoa tsa elektroniki le lifoto le tsona li bonts'a menyetla e mengata. Mohlala, ts'ebeliso ea silicon carbide ho komporo ea quantum 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 mafapheng a mangata, ho potlakisa nts'etsopele ea liindasteri tse amanang. Re ka fana ka SiC wafer bakeng sa lits'ebetso tse fapaneng, re ts'ehetsa tsoelo-pele ea theknoloji ea AR le ho feta.
Sehlahisoa se amanang
8Inch 200mm 4H-N SiC Wafer Conductive dummy grade research
Nako ea poso: Apr-01-2025