Silikon carbide RTA saxan sidayha ee semiconductor

Sharaxaad Gaaban:

Silicon carbide waa nooc cusub oo ceramics ah oo leh waxqabad qiimo sare leh iyo sifooyin wanagsan. Sababo la xiriira astaamaha sida xoogga sare iyo adayga, iska caabin heerkul sare ah, kulaylka kuleylka weyn iyo iska caabbinta daxalka kiimikada awgeed, Silicon Carbide waxay u adkeysan kartaa dhammaan dhexdhexaadinta kiimikada. Sidaa darteed, SiC waxaa si weyn loogu isticmaalaa macdanta saliidda, kiimikooyinka, mishiinada iyo hawada hawada, xitaa tamarta nukliyeerka iyo milatarigu waxay leeyihiin baahidooda gaarka ah ee SIC. Qaar ka mid ah codsiyada caadiga ah ee aan bixin karno waxaa ka mid ah giraangiraha daboolka ee bamka, waalka iyo hubka difaaca iwm.

Waxaan awoodnaa inaan naqshadeyno oo aan soo saarno si waafaqsan cabbirradaada gaarka ah oo leh tayo wanaagsan oo macquul ah waqti gaarsiinta.


Faahfaahinta Alaabta

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Sharaxaada

Shirkadeena waxay bixisaa adeegyada habka daahan SiC ee habka CVD ee dusha sare ee graphite, ceramics iyo alaabta kale, si gaasaska gaarka ah ee ay ku jiraan kaarboon iyo silikoon ay uga falceliyaan heerkulka sare si ay u helaan nadiifnimada sare ee SiC molecules, molecules deposited on the dusha alaabta dahaarka ah, samaynta lakabka ilaalinta SIC.

Tilmaamaha ugu muhiimsan

1. Iska caabbinta oksaydhka heerkulka sare:
caabbinta oksaydhisku weli aad bay u wanaagsan tahay marka heerkulku uu gaadho 1600 C.
2. Nadiifin sare: oo ay samaysay uumiga kiimikaad ee hoos yimaada xaalad koloriineed heerkul sare ah.
3. Iska caabinta nabaadguurka: adkaanta sare, dusha sare, qaybo yaryar.
4. Iska caabinta daxalka: acid, alkali, milix iyo reagents organic.

Tilmaamaha ugu Muhiimsan ee Dahaarka CVD-SIC

Guryaha SiC-CVD

Dhismaha Crystal FCC β wejiga
Cufnaanta g/cm³ 3.21
Adag Vickers adag 2500
Cabirka Hadhuudhka μm 2 ~ 10
Nadiifnimada Kiimikada % 99.99995
Awoodda kulaylka J·k-1 ·K-1 640
Heerkulka Sublimation 2700
Xoogga Felexural MPa (RT 4-dhibcood) 415
Dhallinta Modul Gpa (4pt laab, 1300 ℃) 430
Balaadhinta kulaylka (CTE) 10-6K-1 4.5
Dhaqdhaqaaqa kulaylka (W/mK) 300
Goobta shaqada ee Semicera
Goobta shaqada ee Semicera 2
Mashiinka qalabka
Habaynta CNN, nadiifinta kiimikada, daahan CVD
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