SemiceraDahaarka dhoobada ee Silicon Carbidewaa dahaar ilaalineed oo heersare ah oo ka samaysan walxo silikoon carbide (SiC) aad u adag una adkaysata. Dahaarka waxaa sida caadiga ah lagu kaydiyaa dusha sare ee substrate by CVD ama PVD habka lehQaybaha carbide silicon, bixinta caabbinta daxalka kiimikada heer sare ah iyo xasilloonida heerkulka sare. Sidaa darteed, Dahaarka dhoobada Silicon Carbide waxaa si weyn loogu isticmaalaa qaybaha muhiimka ah ee qalabka wax soo saarka semiconductor.
In wax soo saarka semiconductor,Dahaarka SiCwaxay u adkeysan kartaa heerkul aad u sarreeya oo gaaraya ilaa 1600 ° C, sidaas darteed Dahaarka Silicon Carbide Ceramic Coating waxaa badanaa loo isticmaalaa lakabka ilaalinta qalabka ama qalabka si looga hortago waxyeellada heerkulka sare ama jawiga daxalka.
Isla markaana,dahaarka dhoobada silicon carbidewaxay u adkeysan kartaa nabaad guurka asiidhka, alkalis, oxides iyo reagents kiimikaad kale, waxayna leedahay caabbinta daxalka sare ee walxaha kiimikaad ee kala duwan. Sidaa darteed, badeecadani waxay ku habboon tahay bay'adaha daxalka ee kala duwan ee warshadaha semiconductor.
Waxaa intaa dheer, marka la barbardhigo walxaha kale ee dhoobada, SiC waxay leedahay kuleylka kuleylka sare waxayna si wax ku ool ah u qaban kartaa kulaylka. Habkani wuxuu go'aamiyaa in hababka semiconductor ee u baahan xakamaynta heerkulka saxda ah, heerkulka sare ee kulaylkaDahaarka dhoobada ee Silicon Carbidewaxay ka caawisaa inay si siman u kala firdhiso kulaylka, ka hortagto kulaylka deegaanka, oo hubiso in qalabku ku shaqeeyo heerkulka ugu fiican.
Astaamaha asaasiga ah ee dahaarka CVD sic | |
Hanti | Qiimaha caadiga ah |
Dhismaha Crystal | FCC β wajiga polycrystalline, inta badan (111) ku jihaysan |
Cufnaanta | 3.21 g/cm³ |
Adag | 2500 Vickers adag (500g oo culeys ah) |
Hadhuudhka SiZe | 2 ~ 10μm |
Nadiifnimada Kiimikada | 99.99995% |
Awoodda kulaylka | 640 · kg-1·K-1 |
Heerkulka Sublimation | 2700 ℃ |
Xoog Jilicsan | 415 MPa RT 4-dhibic |
Dhallinta Modul | 430 Gpa 4pt laab, 1300 ℃ |
Habdhaqanka kulaylka | 300W·m-1·K-1 |
Balaadhinta kulaylka (CTE) | 4.5×10-6K-1 |