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Dahaarka CVD Silicon Carbide (SiC)

Dahaarka CVD Silicon Carbide (SiC)

Hoyga> Alaabta > Daboolka CVD > Dahaarka CVD Silicon Carbide (SiC)

Sumeeyaha ICP ee SiC ee dahaarka leh
Sumeeyaha ICP ee SiC ee dahaarka leh

Sumeeyaha ICP ee SiC ee dahaarka leh


Qalabka ICP Etching Suscepter ee SiC Coated waa qayb taageero wafer ah oo waxqabad sare leh oo loogu talagalay codsiyada qallajinta balaasmaha ICP ee wax soo saarka semiconductor-ka ee horumarsan. Waxaa lagu dhisay substrate isostatic graphite oo heer semiconductor ah oo saafi ah oo lagu ilaaliyo dahaarka SiC ee cufan, wuxuu bixiyaa iska caabin balaasma oo heer sare ah, xasillooni kuleyl, iyo xakameyn wasakhaysan jawi qallajin oo cufnaan sare leh, awood sare leh. Iyada oo la hubinayo wareejinta kulaylka oo isku mid ah, booska waferka deggan, iyo cimri dhererka muddada dheer ee ka dhanka ah kiimikada ku salaysan halogen ee gardarrada ah, qalabkan qallajintu wuxuu taageeraa isku-dheellitirka habka oo la hagaajiyay, cimriga qaybaha oo la dheereeyay, iyo kharashka lahaanshaha oo la dhimay ee nidaamyada qallajinta balaasmaha ee casriga ah ee ICP. Waxaan rajeyneynaa inaan helno su'aashaada.

Description

Susceptor-ka ICP ee SiC ee Dahaaran waa qayb muhiim ah oo xiriir balaasma ah oo si gaar ah loogu talagalay hababka wax lagu qodo ee ICP (Inductively Coupled Plasma) ee wax soo saarka semiconductor-ka. Deegaanka balaasma ee cufnaanta sare leh halkaas oo xasilloonida habka, isku-midnimada kulaylka, iyo xakamaynta wasakhowga ay si toos ah u go'aamiso wax-soo-saarka iyo waxqabadka qalabka, susceptor-ka garaafiga wuxuu u adeegaa sida isku-xirka aasaasiga ah ee u dhexeeya wafer-ka, balaasma, iyo nidaamka maaraynta kulaylka.

Susceptors-ka Semixlab waxay isticmaalaan walxo isostatic graphite oo heer sare ah oo semiconductor ah oo lagu dahaadhay lakab Silicon Carbide oo cufan. Qaab-dhismeedkani wuxuu isku daraa kulaylka sare ee graphite iyo awood u lahaanshaha mishiinka iyo iska caabbinta daxalka plasma ee SiC ee gaarka ah iyo firfircoonida kiimikada. Xalka adag ee ka dhasha wuxuu u adkeystaa awoodda RF ee sare, kiimikooyinka ku salaysan halide ee daxalka leh, iyo duqeynta ion ee xooggan ee caadiga ah ee ku badan hababka qodista ICP.

Gudaha qolka etch-ka ee ICP, susceptor-ka graphite wuxuu door muhiim ah ka ciyaaraa booska wafer-ka, xakamaynta heerkulka, iyo soo celinta habka. Waxay siisaa taageero farsamo oo sax ah wafer-ka iyadoo awood u siineysa wareejinta kulaylka hufan si ay u taageerto qaboojinta helium-ka dambe iyo habaynta heerkulka deggan. Dhaqanka kulaylka ee isku midka ah ee dusha sare ee wafer-ka ayaa muhiim u ah ilaalinta heerarka etch-ka ee joogtada ah, isku-midnimada cabbirka muhiimka ah (CD), iyo xakamaynta astaanta - gaar ahaan saamiga sare ee muuqaalka iyo codsiyada etching-ka anisotropic. Dahaarka SiC wuxuu yareeyaa isbeddellada heerkulka maxalliga ah wuxuuna yareeyaa burburka uu keeno plasma-da.

Marka laga eego aragtida isdhexgalka balaasmaha, dahaarka SiC wuxuu u adeegaa sidii caqabad aad u waara oo ka dhan ah balaasmaha ku salaysan fluorine iyo chlorine ee badanaa loo isticmaalo in lagu xoqo silicon, dielectrics, iyo walxaha bandgap ballaaran. Marka la barbardhigo garaafka aan dahaarka lahayn ama walxaha dhoobada dhaqameed, heerka daxalka hooseeya iyo iska caabbinta sare ee micro-arcing si weyn ayuu u kordhiyaa cimriga qaybaha. Isla mar ahaantaana, lakabka SiC ee cufan wuxuu joojiyaa soo saarista walxaha iyo wasakhowga birta, isagoo buuxinaya shuruudaha nadaafadda ee adag ee warshadaha semiconductor-ka ee horumarsan iyadoo la taageerayo waqtiga shaqada ee qalabka guud iyo waqtiga celceliska u dhexeeya cilladaha (MTBF).

Qalabka ICP Etching Suscepter ee SiC Coated ICP wuxuu muujinayaa fahamka qoto dheer ee Semixlab Technology ee fiisigiska etching plasma, injineernimada agabka, iyo shuruudaha wax soo saarka semiconductor. Iyada oo la isku darayo qalabka Graphite-ka ee saafiga ah iyo tignoolajiyada SiC ee horumarsan, qalabka ICP Etching Suscepter ee Silicon Carbide Coated wuxuu bixiyaa xal dheellitiran oo si wax ku ool ah u xoojiya xasilloonida habka, dheereeya cimriga qaybaha, isla markaana taageera horumarka joogtada ah ee tignoolajiyada etching ICP.

Iyada oo ah soo saaraha Shiinaha ee hormuudka ka ah susceptors-ka ICP ee lagu dahaadhay SiC, Semixlab waxay ka go'an tahay inay bixiso la-talin farsamo oo horumarsan iyo xalal wax soo saar oo loo habeeyey warshadaha etching semiconductor-ka. Waxaan si daacad ah u rajeyneynaa inaan noqono lammaanahaaga muddada dheer ee Shiinaha.

sooc
Tilmaamaha asaasiga ah ee daahan CVD SiC
Property Qiimaha caadiga ah
Dhismaha Crystal FCC β wajiga polycrystalline, inta badan (111) ku jihaysan
mugga 3.21 g / cm³
darantahay ingeega, 2500 Vickers adag (500 garaam)
Cabbirka Midhaha 2 ~ 10μm
Nadiifinta kiimikada 99.99995%
Awoodda kuleylka 640 · kg-1K-1
Heerkulka Sublimation 2700 ℃
Awoodda Firfircoon 415 MPa RT 4-dhibic
Dhallinta Modul 430 Gpa 4pt laab, 1300 ℃
Habdhaqanka kulaylka 300W·m-1K-1
Balaadhinta kulaylka (CTE) 4.5 × 10-6K-1
Adeegyada aan bixino

Dukaanka wax soo saarka Semixlab

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