Fur Awoodda Crucibles Silicon Carbide Kobaca Crystal Heerkul Sare

1. Hordhac

Kaliya 24 saacadood ka hor, Semiconductor giant Wolfspeed ayaa ku dhawaaqday horumar ku saabsan khadka wax soo saarka ee 200mm silikoon carbide wafer, iyada oo tixraacaysa wax-soosaarka crystal-ka ee la wanaajiyay iyada oo ay ugu wacan tahay agabka qallafsan ee horumarsan. Hal-abuurkan xuddun u ah? Kuwa is-hoosaysiiya haddana xoog badan Silicon carbide crucible-Markab wax qabad sarreeya oo awood u siinaya xaaladaha aadka u daran ee looga baahan yahay jiilka soo socda ee korriinka semiconductor-ka.

Halka dadka intiisa badani isku lammaan yihiin silsiladda carbide oo leh abrasives ama biriiga baabuurta, doorkeeda nadiifinta sare, hababka warshadaha heerkulka sare waa meesha ay si dhab ah u iftiimayso. Maqaalkan, waxaan u dhexgeli doonaa mid ka mid ah codsiyadiisa ugu baahida badan-iyo kuwa xiisaha leh: koraya semiconductors-ka-crystal ee baabuurta korontada, saldhigyada 5G, iyo nidaamyada tamarta la cusboonaysiin karo.

2. Waa maxay sababta Silicon Carbide Crucibles? Sayniska ka dambeeya Doorashada

Koritaanka kiristaalo semiconductor sida silicon carbide (SiC) ama gallium nitride (GaN) waxay u baahan tahay heerkul ka badan 2,000°C jawiga kimikalka leh. Inta badan ceramics-ku way dillaacaan, ka falceliyaan, ama wasakheeyaan dhalaalka xaaladahan - laakiin ma aha silikoon carbide.

Silicon Crucibles carbide waxay bixiyaan kulaylka aan caadiga ahayn, isu-dheellitir la'aanta kulaylka eber-ka, iyo firfircooni la'aanta kiimikaad ee heer sare ah. Si ka duwan crucibles graphite, kaas oo soo bandhigi kara wasakh kaarboon, ama alumina, taas oo dhalaalaysa ama falcelin, Silicon carbide waxay ilaalisaa daacadnimada qaabdhismeedka iyada oo iska caabin ah daxalka ka dhalaalay semiconductors.

3. Iftiiminta Codsiga Niche: Kobaca SiC-kaliya-Crystal

3.1. Habka Gaadiidka Uumiga Jirka (PVT).

Farsamada ugu badan ee soo saarista kiristaalo badan ee SiC waa Gaadiidka Uumiga Jirka (PVT). Nidaamkan, nadiifinta sare ee SiC budada waxay hoos u dhigtaa qol xidhan oo dib u dhigaa sidii hal kiristaan ​​oo abuur ah. Falcelinta oo dhan waxay ka dhacdaa gudaha a silsiladda carbide Crucible, kaas oo ay tahay inuu u adkeysto heerkulka ilaa 2,500 ° C hoostiisa cadaadiska hoose ee argon ama faakuum.

Wax kasta oo wasakhaysan oo ka timaadda qolofka-sida aluminiumka aluminiumka ah ama boron ka soo baxa boron carbide-waxay burburin kartaa sifooyinka korantada ee waferka ka dhashay. Taasi waa sababta soo saarayaasha ay si adag uga door bidaan kiriimyada silikoon carbide ee nadiifka ah ee nadiifka ah sida boron carbide vs silicon carbide, halkaas oo boron carbide's kulaylka hoose ee firfircoonida iyo falcelinta sare ay ka dhigayso mid aan ku habboonayn codsigan.

3.2. Silicon Nitride Alternatives oo ka wanagsan

Qaar ayaa laga yaabaa inay la yaabaan: ka waran nitride silicon? Halka qaybaha dhoobada ee silikoon nitride-sida silikoon nitride soo saarka warshadaynta, silikoon nitride silikoon, ama gaashaanka kulaylka silikoon nitride - ay aad ugu fiican yihiin iska caabinta shoogga kulaylka, waxay hoos u dhigaan wax ka sarreeya 1,800 ° C yaraynta jawiga. Taas bedelkeeda, silikoon carbide wuxuu ahaanayaa mid deggan oo dhaafsiisan 2,200°C, taasoo ka dhigaysa mid aan lagu beddeli karin kobaca PVT crystal.

Xataa ikhtiraacida suuqa budada silikoon nitride nadiif ah oo saraysa ma xidhin farqigan waxqabadka. Habaynta semiconductor heerkul aad u sareeysa, silikoon carbide si fudud lama mid aha.

4. Wixii ka dambeeya Shaybaadhka: Isticmaalka Warshadaynta iyo Lama Filaanka ah ee Ceramics Silicon Carbide

Saynis isku mid ah oo awood u siinaya silikoon carbide crucibles ayaa sidoo kale awood u leh codsiyo kale oo la yaab leh. Laga soo bilaabo dhoobada dhoobada silikoon carbide ee dahaarka kilns warshadaha ilaa silikoon carbide gubi nozzles ee foornooyinka dhalooyinka, dhoobadani waa faras shaqo oo deegaan aad u daran.

Injineerada sidoo kale waxay ku tiirsan yihiin qaybaha ay ka midka yihiin tiirarka dhoobada ee silikoon carbide, tiirarka dhoobada silikoonka, iyo lebenka silikoon carbide ee dahaarka u adkaysta ee biraha shubida iyo farsamaynta kiimikada. Dhanka kale, tuubooyinka silikoon carbide-gaar ahaan silikoon carbide thermocouple tuubooyinka ilaalinta iyo tuubooyinka dhoobada silikoon carbide ee heerkul sare-waa heer ku saabsan qaybaha hawada iyo tamarta.

Haa, xitaa jikadaadu way ka faa'iidaysan kartaa: noocyada gaarka ah hadda waxay bixiyaan suxuunta dubista dhoobada silikoon carbide, saxannada cashada dhoobada silikoon carbide, iyo xitaa suxuunta subagga dhoobada ee silikoon carbide. In kasta oo aanay ahayn wax caadi ah, walxahan waxay ka faa'idaystaan ​​haynta kulaylka ee walxaha iyo dusha aan falcelin lahayn-ku habboon dubista farsamada ama alaabta miiska sare sida silikoon carbide taarikada dhoobada cad ama noocyo madow oo gacanta lagu sameeyay.

5. Isbarbardhigga Agabka: Waa maxay sababta aan dhoobada kale ahayn?

• Boron carbide vs silicon carbide: Carbide boron waa ka adag tahay laakiin aad u jajaban oo kulaylkeedu yar yahay - kuma habboona weelasha waaweyn.
• Alumina: Way ka jaban tahay laakiin waxay kaga falcelisaa SiC-da dhalaalaysa iyo dildilaaca baaskiilka kulaylka.
• Graphite: Waxay si fiican u qabataa kulaylka laakiin waxay wasakhaysaa dhalaalidda kaarboon; waxay u baahan tahay dahaar ilaalin ah oo hoos u dhacaya waqti ka dib.
• Silikon nitride: Aad ugu fiican heerkulka dhexdhexaadka ah laakiin wuxuu ku burburaa xaaladaha koritaanka SiC.

Marka la soo koobo, koritaanka crystal, kaliya carbide silikoon ayaa bixiya dheelitirka qumman ee nadiifnimada, xoogga, iyo xasiloonida kulaylka.

6. Gunaanad

Laga soo bilaabo awood-siinta semiconductors-ka awooda baabuurta korontada ilaa xayndaabka foornooyinka warshadaha iyo xitaa ka soo muuqda alaabta jikada ee gourmet, silikoon carbide crucibles waxay ka dhigan tahay hal waji oo ka mid ah isku-dhafka dhoobada ee aan caadiga ahayn. Maaddaama ay kor u kacdo baahida loo qabo semiconductors-bandgap-ballaaran, doorka silikoon carbide crucible wuxuu kaliya u kori doonaa mid aad muhiim u ah - taas oo caddaynaysa in mararka qaarkood, tignoolajiyada ugu horumarsan ay ku xiran tahay kalsoonida xasilloon ee weelka dhoobada si wanaagsan loo farsameeyey.

Mareegahayaga oo la aasaasay Oktoobar 17, 2012, waa shirkad tignoolajiyadeed sare leh oo ay ka go'an tahay cilmi-baarista iyo horumarinta, wax soo saarka, farsamaynta, iibinta iyo adeegyada farsamada ee alaabta qaraabada dhoobada ah sida Unlock. Alaabadayada waxaa ku jira laakiin aan ku xaddidnayn Alaabooyinka dhoobada ah ee Boron Carbide, Alaabta dhoobada ee Boron Nitride, Alaabta dhoobada ee Silicon Nitride, Alaabta dhoobada ee Silicon Nitride, Alaabta dhoobada ee Zirconium Dioxide, iwm. Hadii aad xiisaynayso, fadlan xor u noqo inaad nala soo xidhiidho.