Epitaxy LED buluug/cagaaran

Sharaxaad Gaaban:

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.


Faahfaahinta Alaabta

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Tilmaamaha ugu muhiimsan:

1. Iska caabbinta oksaydhka heerkulka sare:

caabbinta oksaydhisku weli aad bay u wanaagsan tahay marka heerkulku gaadho 1600 C.

2. Nadiifin sare: oo ay samaysay uumiga kiimikaad ee hoos yimaada xaalad koloriineed heerkul sare ah.

3. Iska caabbinta nabaadguurka: adkaanta sare, dusha sare, qaybo yaryar.

4. Iska caabinta daxalka: acid, alkali, milix iyo reagents organic.

 Tilmaamaha ugu muhiimsan eeDaboolka 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

 

 
LED Epitaxy
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