Shaashadda graphite ee SiC-da dahaarka lehwaa qayb muhiim ah oo loo isticmaalo hababka kala duwan ee wax soo saarka semiconductor-ka. Waxaan isticmaalnaa tignoolajiyadeena shatiga leh si aan u samayno suscetpor-ka dahaarka leh ee SiC oo leh daahirnimo aad u sarreysa, isku mid ahaanshaha dahaarka wanaagsan iyo cimri adeeg oo aad u wanaagsan, iyo sidoo kale iska caabin kiimiko oo sare iyo sifooyin xasillooni kuleyl.
Astaamaha alaabtayada:
1. Iska caabinta oksaydhka heerkulka sare ilaa 1700℃.
2. Nadiifnimo sare iyo isku midnimo kuleyl
3. Iska caabin aad u fiican oo daxalka ah: aashitada, alkali, milixda iyo walxaha dabiiciga ah.
4. Adkayn sare, dusha sare oo is haysta, iyo walxo yaryar.
5. Adeeg dheer iyo cimri dheer
| CVD SiC薄膜基本物理性能 Sifooyinka aasaasiga ah ee jireed ee CVD SiCdahaarka | |
| 性质 / Hantida | 典型数值 / Qiimaha Caadiga ah |
| 晶体结构 / Qaab-dhismeedka Crystal | Marxaladda FCC β多晶,主要为(111) 取向 |
| 密度 / Cufnaanta | 3.21 g/cm³ |
| 硬度 / Adkaanta | 2500 维氏硬度(500g oo culeys ah |
| 晶粒大小 / Xaddiga Badarka | 2 ~ 10μm |
| 纯度 / Nadiifinta Kiimikada | 99.99995% |
| 热容 / Awoodda Kulaylka | 640 J·kg-1·K-1 |
| 升华温度 / Heerkulka Sublimation | 2700℃ |
| 抗弯强度 / Xoogga Laablaabashada | 415 MPa RT 4-dhibcood |
| 杨氏模量 / Modulus-ka Young | 430 GPA 4pt laab, 1300℃ |
| 导热系数 / ThermalGudbinta | 300W·m-1·K-1 |
| 热膨胀系数 / Ballaarinta Kulaylka (CTE) | 4.5 × 10-6K-1 |
VET Energy waa soo saare xirfadle ah oo diiradda saaraya cilmi-baarista iyo horumarinta agabyada horumarsan sida graphite, silicon carbide, quartz, iyo sidoo kale daaweynta agabka sida dahaarka SiC, dahaarka TaC, dahaarka kaarboonka galaaska ah, dahaarka kaarboonka pyrolytic, iwm. Badeecadaha waxaa si weyn loogu isticmaalaa photovoltaic, semiconductor, tamar cusub, birta, iwm.
Kooxdayada farsamada waxay ka timaadaa hay'adaha cilmi-baarista ee ugu sarreeya gudaha, waxayna ku siin karaan xalal agab xirfadeed oo dheeraad ah.
Faa'iidooyinka Tamarta VET waxaa ka mid ah:
• Warshad iyo shaybaar xirfadeed oo gaar ah;
• Heerarka iyo tayada saafiga ah ee hormuudka ka ah warshadaha;
• Qiimo tartan ah & Waqtiga keenista degdegga ah;
• Iskaashi warshadeed oo badan oo adduunka oo dhan ah;
Waxaan kugu soo dhaweyneynaa inaad booqato warshadeenna iyo shaybaarkeenna wakhti kasta!
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