Indlela Yokukhulisa Isithando Somlilo Sekristalu Se-Sapphire KY Kyropoulos Yokukhiqiza I-Wafer Ye-Sapphire kanye Nefasitela Elibonakalayo

Incazelo emfushane:

Lo mshini wokukhulisa ikristalu le-sapphire usebenzisa indlela ehamba phambili emhlabeni wonke ye-Kyropoulos (KY), eyenzelwe ngqo ukukhula kwekristalu elilodwa le-sapphire elinobubanzi obukhulu, elingenasici esiphansi. Indlela ye-KY ivumela ukulawula okunembile kokudonsa ikristalu lembewu, isivinini sokujikeleza, kanye nokushintshashintsha kwezinga lokushisa, okuvumela ukukhula kwamakristalu e-sapphire afinyelela kumasentimitha angu-300 (300 mm) ububanzi emazingeni okushisa aphezulu (2000–2200°C). Izinhlelo ze-XKH ze-KY zisetshenziswa kabanzi ekukhiqizweni kwezimboni kwama-wafer e-sapphire e-C/A-plane angu-2–12-intshi namafasitela e-optical, okufeza umkhiqizo wanyanga zonke wamayunithi angu-20. Lo mshini usekela izinqubo zokusebenzisa i-doping (isb., i-Cr³⁰ doping yokwenza i-ruby) futhi unikeza ikhwalithi yekristalu nge:

Ubuningi bokuhlukana <100/cm²

Ukudluliselwa >85% @ 400–5500 nm

Sithumelele i-imeyili

Izici

Isimiso Sokusebenza

Isimiso esiyinhloko sendlela ye-KY sihilela ukuncibilikisa izinto zokusetshenziswa ze-Al₂O₃ ezihlanzekile kakhulu ku-tungsten/molybdenum crucible ku-2050°C. Ikristalu yembewu yehliswa ekuncibilikeni, kulandelwe ukuhoxiswa okulawulwayo (0.5–10 mm/h) kanye nokujikeleza (0.5–20 rpm) ukuze kufezwe ukukhula okuqondile kwamakristalu angawodwa e-α-Al₂O₃. Izici ezibalulekile zifaka:

• Amakristalu amakhulu (ubukhulu obuphezulu. Φ400 mm × 500 mm)
• I-sapphire yezinga lokukhanya eliphansi (ukuhlanekezela kwe-wavefront <λ/8 @ 633 nm)
• Amakristalu axutshwe (isib., i-Ti³⁰ doping ye-sapphire yenkanyezi)

Izingxenye Zesistimu Eyinhloko

1. Uhlelo Lokuncibilikisa Olusezingeni Eliphezulu
• I-Tungsten-molybdenum composite crucible (izinga lokushisa eliphezulu 2300°C)
• Isifudumezi se-graphite esinezindawo eziningi (±0.5°C control lokushisa)

2. Uhlelo Lokukhula Kwekristalu
• Indlela yokudonsa eqhutshwa yi-Servo (± 0.01 mm ngokunemba)
• I-magnetic fluid rotary seal (ukulawulwa kwesivinini esingenazinyathelo okungu-0–30 rpm)

3. Ukulawulwa Kwensimu Yokushisa
• Ukulawula izinga lokushisa okuzimele kwezindawo ezi-5 (1800–2200°C)
• Isivikelo sokushisa esilungisekayo (±2°C/cm gradient)
• Uhlelo Lokuhlanza Nokushaja I-Vacuum
• 10⁻⁴ Pa high vacuum
• Ukulawula igesi exubile ye-Ar/N₂/H₂

4. Ukuqapha Okuhlakaniphile
• Ukuqapha ububanzi bekristalu ngesikhathi sangempela se-CCD
• Ukutholwa kwezinga lokuncibilika kwama-spectral amaningi

Ukuqhathanisa Indlela ye-KY vs. CZ

Ipharamitha	Indlela ye-KY	Indlela ye-CZ
Usayizi Omkhulu Wekristalu	Φ400 mm	Φ200 mm
Izinga Lokukhula	5–15 mm/h	20–50 mm/h
Ubuningi obuphelele	<100/cm²	500–1000/cm²
Ukusetshenziswa Kwamandla	80–120 kWh/kg	50–80 kWh/kg
Izicelo Ezijwayelekile	Amafasitela abonakalayo/ama-wafer amakhulu	Izisekelo/ubucwebe be-LED

Izinhlelo Zokusebenza Eziyinhloko

1. Amafasitela e-Optoelectronic
• Ama-dome e-IR ezempi (ukudluliselwa >85%@3–5 μm)
• Amafasitela e-UV laser (amelana nobukhulu bamandla obungu-200 W/cm²)

2. Izingxenyana ze-semiconductor
• Ama-wafer epitaxial eGaN (amasentimitha angu-2–8, i-TTV <10 μm)
• Izisekelo ze-SOI (ubulukhuni bomphezulu <0.2 nm)

3. I-Electronics Yabathengi
• Ingilazi yesembozo sekhamera ye-smartphone (ubulukhuni be-Mohs 9)
• Izibonisi zewashi elihlakaniphile (ukuthuthukiswa kokumelana nokuklwebheka okungu-10×)

4. Izinto Ezikhethekile
• Ama-IR optics ahlanzekile kakhulu (i-coefficient yokumunca <10⁻³ cm⁻¹)
• Amafasitela okubuka i-reactor yenuzi (ukubekezelela imisebe: 10¹⁶ n/cm²)

Izinzuzo Zemishini Yokukhulisa Ikristalu Ye-Kyropoulos (KY) Sapphire

Imishini yokukhulisa ikristalu ye-sapphire esekelwe endleleni ye-Kyropoulos (KY) inikeza izinzuzo zobuchwepheshe ezingenakuqhathaniswa, iyibeka njengesixazululo esisezingeni eliphezulu sokukhiqiza ngezinga lezimboni. Izinzuzo ezibalulekile zifaka:

1. Amandla Obukhulu: Iyakwazi ukukhulisa amakristalu e-sapphire afinyelela kumasentimitha angu-300 ububanzi, okuvumela ukukhiqizwa okuphezulu kwama-wafers kanye nezingxenye ze-optical zezinhlelo zokusebenza ezithuthukisiwe njenge-GaN epitaxy namafasitela e-military-grade.

2. Ubuningi obuphansi kakhulu: Ifinyelela ubuningi bokuhlukaniswa kwesikhala <100/cm² ngokuklama insimu yokushisa elungiselelwe kahle kanye nokulawula ukushisa okunembile, okuqinisekisa ubuqotho bekristalu obuphezulu kumadivayisi e-optoelectronic.

3. Ukusebenza Kokukhanya Okusezingeni Eliphezulu: Kuletha ukudlulisa okungaphezulu kuka-85% okubonakalayo kuma-spectra e-infrared (400–5500 nm), okubalulekile kumafasitela e-UV laser kanye nama-infrared optics.

4. Ukuzenzakalela Okuthuthukisiwe: Kufaka izindlela zokudonsa eziqhutshwa yi-servo (ukunemba okungu-± 0.01 mm) kanye nezimbozo ezijikelezayo ze-magnetic fluid (ukulawula okungenasinyathelo okungu-0–30 rpm), kunciphisa ukungenelela komuntu nokuthuthukisa ukuhambisana.

5. Izinketho Zokusebenzisa Izidakamizwa Eziguquguqukayo: Isekela ukwenza ngokwezifiso ngama-dopants afana ne-Cr³⁰ (ye-ruby) kanye ne-Ti³⁰ (ye-star sapphire), enakekela izimakethe ezikhethekile ze-optoelectronics kanye nobucwebe.

6. Ukusebenza Kahle Kwamandla: Ukushisa okuthuthukisiwe (i-tungsten-molybdenum crucible) kunciphisa ukusetshenziswa kwamandla kube ngu-80–120 kWh/kg, kuncintisana nezinye izindlela zokukhula.

7. Ukukhiqizwa Okungalinganiswa: Kufinyelela umkhiqizo wanyanga zonke wama-wafer angu-5,000+ ngezikhathi zokujikeleza okusheshayo (izinsuku ezingu-8-10 zamakristalu angu-30-40 kg), okuqinisekiswa ukufakwa komhlaba wonke okungaphezu kuka-200.
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8. Ukuqina Kwezinga Lezempi: Kuhlanganisa imiklamo engamelani nemisebe nezinto ezingamelani nokushisa (ezimelana no-10¹⁶ n/cm²), ezibalulekile ekusetshenzisweni kwezindiza kanye nezikhali zenuzi.
Lezi zinto ezintsha ziqinisa indlela ye-KY njengendinganiso yegolide yokukhiqiza amakristalu e-sapphire asebenza kahle kakhulu, okuqhuba intuthuko kwezokuxhumana kwe-5G, i-quantum computing, kanye nobuchwepheshe bokuzivikela.

Izinsizakalo ze-XKH

I-XKH inikeza izixazululo eziphelele ze-turnkey zezinhlelo zokukhula kwekristalu ye-sapphire, okuhlanganisa ukufakwa, ukulungiswa kwenqubo, kanye nokuqeqeshwa kwabasebenzi ukuqinisekisa ukuhlanganiswa kokusebenza okungenamthungo. Sinikeza izindlela zokupheka zokukhula eziqinisekiswe kusengaphambili (50+) ezenzelwe izidingo ezahlukahlukene zezimboni, okunciphisa kakhulu isikhathi se-R&D kumakhasimende. Ngezinhlelo zokusebenza ezikhethekile, izinsizakalo zokuthuthukiswa ngokwezifiso zivumela ukwenza ngokwezifiso i-cavity (Φ200–400 mm) kanye nezinhlelo ze-doping ezithuthukisiwe (Cr/Ti/Ni), ezisekela izingxenye ze-optical ezisebenza kahle kakhulu kanye nezinto ezingamelana nemisebe.

Izinsizakalo ezengeziwe zifaka phakathi ukucubungula ngemuva kokukhula njengokusika, ukugaya, kanye nokupholisha, okuhambisana nohlu oluphelele lwemikhiqizo yesafire efana nama-wafers, amashubhu, kanye nama-blank amatshe ayigugu. Lokhu okunikezwayo kunakekela imikhakha kusukela kuma-electronics abathengi kuya ezindiza. Usekelo lwethu lobuchwepheshe luqinisekisa iwaranti yezinyanga ezingu-24 kanye nokuxilongwa okukude kwesikhathi sangempela, okuqinisekisa isikhathi esincane sokungasebenzi kanye nokusebenza kahle kokukhiqiza okuqhubekayo.