I-CVD SiC Coating

Isingeniso seSilicon Carbide Coating 

I-Chemical Vapor Deposition (CVD) yethu ye-Silicon Carbide (SiC) iyisendlalelo esihlala isikhathi eside futhi esingagugi, esilungele izindawo ezidinga ukugqwala okuphezulu nokumelana nokushisa.I-Silicon Carbide coatingisetshenziswa ngezendlalelo ezincane kuma-substrates ahlukahlukene ngenqubo ye-CVD, enikeza izici zokusebenza ezisezingeni eliphezulu.


Izici Eziyinhloko

       ● -Ukuhlanzeka Okukhethekile: Ukuziqhayisa ngokwakhiwa okumsulwa kwe99.99995%, wethuUkufakwa kwe-SiCinciphisa ubungozi bokungcola emisebenzini ebucayi ye-semiconductor.

● -Ukumelana Okuphakeme: Ibonisa ukumelana okuhle kakhulu kukho kokubili ukuguga nokugqwala, okuyenza ifaneleke kumakhemikhali ayinselele nezilungiselelo ze-plasma.
● -High Thermal Conductivity: Iqinisekisa ukusebenza okuthembekile ngaphansi kwezinga lokushisa elidlulele ngenxa yezakhiwo zayo ezishisayo ezivelele.
● -Ukuzinza kweDimensional: Igcina ubuqotho besakhiwo kulo lonke ibanga elibanzi lamazinga okushisa, sibonga i-coefficient yayo ephansi yokwandisa okushisayo.
● -Ukuqina Okuthuthukisiwe: Ngesilinganiso sobulukhuni be40 GPA, i-SiC yethu enamathelayo imelana nomthelela omkhulu kanye nokuhuzuka.
● -Smooth Surface Qeda: Inikeza isiphetho esifana nesibuko, inciphisa ukukhiqizwa kwezinhlayiya futhi ithuthukise ukusebenza kahle.


Izinhlelo zokusebenza

I-Semicera Izingubo ze-SiCasetshenziswa ezigabeni ezehlukene zokukhiqiza i-semiconductor, okuhlanganisa:

● -Ukwakhiwa kwe-chip ye-LED
● -Ukukhiqizwa kwePolysilicon
● -Ukukhula kwe-Crystal Semiconductor
● -I-Silicon ne-SiC Epitaxy
● -I-Thermal Oxidation and Diffusion (TO&D)

 

Sihlinzeka ngezinto ezinamekwe nge-SiC ezakhiwe ngegraphite ye-isostatic yamandla aphezulu, ikhabhoni eqiniswe yi-carbon fibre-reinforced carbon kanye ne-4N recrystallized silicon carbide, eklanyelwe ama-reactors afakwe umbhede,Iziguquli ze-STC-TCS, izibonisi zeyunithi ye-CZ, isikebhe se-SiC wafer, i-SiCwafer paddle, i-SiC wafer tube, nezithwali ze-wafer ezisetshenziswa ku-PECVD, i-silicon epitaxy, izinqubo ze-MOCVD.


Izinzuzo

● -Isikhathi Sempilo Esandisiwe: Yehlisa ngokuphawulekayo isikhathi sokuphumula semishini kanye nezindleko zokuyilungisa, ithuthukisa ukusebenza kahle kokukhiqiza kukonke.
● -Ikhwalithi Ethuthukisiwe: Ifinyelela ukuhlanzeka okuphezulu okudingekayo ekucutshungulweni kwe-semiconductor, ngaleyo ndlela kukhuphule ikhwalithi yomkhiqizo.
● -Ukwengeza Ukuphumelela: Ilungiselela izinqubo ezishisayo neze-CVD, okuholela ezikhathini zomjikelezo omfushane kanye nesivuno esiphezulu.


Imininingwane Yezobuchwepheshe
     

● -Isakhiwo: I-FCC β isigaba se-polycrystaline, ikakhulukazi (111)iqondiswe
● -Ukuminyana: 3.21 g/cm³
● -Ukuqina: 2500 Vickes ubulukhuni (500g umthwalo)
● -Ukuphuka Kokuqina: 3.0 MPa·m1/2
● -I-Thermal Expansion Coefficient (100–600 °C): 4.3 x 10-6k-1
● -I-Elastic Modulus(1300 ℃):435 I-GPa
● -Ukuqina Kwefilimu Okujwayelekile:100µm
● -Ukuqina Kobuso:2-10 µm


Idatha Yokuhlanzeka (Ikalwa Nge-Glow Discharge Mass Spectroscopy)

Isici

ppm

Isici

ppm

Li

< 0.001

Cu

< 0.01

Be

< 0.001

Zn

<0.05

Al

< 0.04

Ga

< 0.01

P

< 0.01

Ge

<0.05

S

< 0.04

As

< 0.005

K

<0.05

In

< 0.01

Ca

<0.05

Sn

< 0.01

Ti

< 0.005

Sb

< 0.01

V

< 0.001

W

<0.05

Cr

<0.05

Te

< 0.01

Mn

< 0.005

Pb

< 0.01

Fe

<0.05

Bi

<0.05

Ni

< 0.01

 

 
Ngokusebenzisa ubuchwepheshe be-CVD obusezingeni eliphezulu, sinikeza ofanelana naweIzixazululo ze-SiC coatingukuhlangabezana nezidingo eziguquguqukayo zamakhasimende ethu kanye nokusekela intuthuko ekukhiqizeni ama-semiconductor.