Vet-ChinaDhoobada Silikoon CarbideDahaarku waa dahaar ilaalin oo waxqabad sare leh oo laga sameeyay aad u adag oo u adkaysta xirashadasilikoon carbide (SiC)agab, kaas oo bixiya iska caabin kiimiko oo heer sare ah iyo xasillooni heerkul sare leh. Astaamahani waa muhiim wax soo saarka semiconductor-ka, sidaa darteedDahaarka Dhoobada ee Silicon Carbidewaxaa si weyn loogu isticmaalaa qaybaha muhiimka ah ee qalabka wax soo saarka semiconductor-ka.
Doorka gaarka ah ee Vet-ChinaDhoobada Silikoon CarbideDahaarka wax soo saarka semiconductor waa sida soo socota:
Kobcinta adkeysiga qalabka:Dahaarka Dhoobada ee Silicon Carbide Dahaarka Dhoobada ee Silicon Carbide wuxuu bixiyaa ilaalin dusha sare oo aad u fiican qalabka wax soo saarka semiconductor-ka iyadoo leh adkeysi aad u sarreeya iyo iska caabin xirasho. Gaar ahaan deegaannada habka heerkulka sare iyo kuwa aadka u daxalka badan, sida kaydinta uumiga kiimikada (CVD) iyo xoqidda balaasmaha, dahaarka ayaa si wax ku ool ah uga hortagi kara dusha sare ee qalabka inuu waxyeello u geysto nabaad-guurka kiimikada ama xirashada jirka, taasoo si weyn u kordhinaysa cimriga adeegga qalabka iyo yareynta waqtiga shaqada oo ay keento beddelka iyo dayactirka joogtada ah.
Hagaaji daahirnimada habka:Habka wax soo saarka semiconductor-ka, wasakhowga yar wuxuu sababi karaa cillado alaabeed. Dahaarka kiimikada ee Silicon Carbide Ceramic Coating wuxuu u oggolaanayaa inuu xasilloonaado xaaladaha daran, isagoo ka hortagaya in walaxdu ay sii deyso walxaha ama wasakhda, taasoo hubinaysa daahirnimada deegaanka ee habka. Tani waxay si gaar ah muhiim ugu tahay tallaabooyinka soo saarista ee u baahan saxnaan sare iyo nadiifin sare, sida PECVD iyo ion-ka lagu beero.
Hagaaji maaraynta kulaylka:Habaynta semiconductor-ka heerkulka sare leh, sida habaynta kulaylka degdega ah (RTP) iyo hababka oksaydhka, habaynta kulaylka sare ee Silicon Carbide Ceramic Coating waxay suurtogal ka dhigaysaa qaybinta heerkulka isku midka ah gudaha qalabka. Tani waxay ka caawisaa yaraynta cadaadiska kulaylka iyo isbeddelka walxaha ee ay keento isbeddelka heerkulka, taasoo hagaajinaysa saxnaanta wax soo saarka iyo joogtaynta.
Taageero jawi hab-raac oo adag:Hawsha u baahan xakamaynta jawiga ee adag, sida hababka ICP etching iyo PSS etching, xasilloonida iyo iska caabbinta oksaydhka ee Silicon Carbide Ceramic Coating waxay hubisaa in qalabku uu ilaaliyo waxqabad deggan hawlgalka muddada dheer, taasoo yaraynaysa khatarta burburka walxaha ama dhaawaca qalabka oo ay ugu wacan tahay isbeddellada deegaanka.
| 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 |
Si diirran ayaan kuugu soo dhaweyneynaa inaad booqato warshaddayada, aan yeelano dood dheeraad ah!
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