I-SiC Epitaxy

Incazelo emfushane:

I-Weitai inikeza ifilimu elincanyana langokwezifiso (i-silicon carbide) i-SiC epitaxy kuma-substrates ukuze kuthuthukiswe amadivayisi e-silicon carbide.U-Weitai uzibophezele ekuhlinzekeni ngemikhiqizo yekhwalithi namanani ancintisanayo, futhi sibheke ngabomvu ukuba nguzakwethu wesikhathi eside e-China.


Imininingwane Yomkhiqizo

Omaka bomkhiqizo

I-SiC epitaxy (2)(1)

Incazelo Yomkhiqizo

4h-n 4inch 6inch dia100mm sic seed wafer 1mm ukujiya ukuze kukhule ingot

Usayizi owenziwe ngokwezifiso/2inch/3inch/4inch/6inch 6H-N/4H-SEMI/ 4H-N SIC ingots/Ukuhlanzeka okuphezulu 4H-N 4inch 6inch dia 150mm i-silicon carbide icrystal eyodwa (sic) substrates ama-wafersS/Izinkwa eziyisinkwa esikiwe ezenziwe ngokwezifisoUkukhiqiza 4 grade 4H-N 1.5mm SIC Wafers for imbewu crystal

Mayelana ne-Silicon Carbide (SiC)Crystal

I-Silicon carbide (SiC), eyaziwa nangokuthi i-carborundum, i-semiconductor equkethe i-silicon ne-carbon enefomula yamakhemikhali i-SiC.I-SiC isetshenziswa kumishini ye-semiconductor electronics esebenza emazingeni okushisa aphezulu noma ama-voltage aphezulu, noma kokubili.I-SiC futhi ingenye yezingxenye ezibalulekile ze-LED, iyindawo engaphansi edumile yamadivayisi e-GaN akhulayo, futhi isebenza njengesisakazi sokushisa endaweni ephezulu. ama-LED amandla.

Incazelo

Impahla

4H-SiC, Ikristalu Eyodwa

6H-SiC, Ikristalu Eyodwa

I-Lattice Parameters

a=3.076 Å c=10.053 Å

a=3.073 Å c=15.117 Å

Ukulandelana Kwesitaki

I-ABCB

I-ABCACB

Mohs Ukuqina

≈9.2

≈9.2

Ukuminyana

3.21 g/cm3

3.21 g/cm3

Therm.I-Expansion Coefficient

4-5×10-6/K

4-5×10-6/K

I-Refraction Index @750nm

cha = 2.61
ne = 2.66

cha = 2.60
ne = 2.65

I-Dielectric Constant

c:9.66

c:9.66

I-Thermal Conductivity (uhlobo lwe-N, 0.02 ohm.cm)

a~4.2 W/cm·K@298K
c~3.7 W/cm·K@298K

 

I-Thermal Conductivity (I-Semi-insulating)

a~4.9 W/cm·K@298K
c~3.9 W/cm·K@298K

a~4.6 W/cm·K@298K
c~3.2 W/cm·K@298K

I-band-gap

3.23 eV

3.02 eV

I-Break-Down Electrical Field

3-5×106V/cm

3-5×106V/cm

I-Saturation Drift Velocity

2.0×105m/s

2.0×105m/s

Ama-wafers e-SiC

  • Okwedlule:
  • Olandelayo: