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Colorless Transparent Silicon Carbide SiC Polished Wafer lens
  • Colorless Transparent Silicon Carbide SiC Polished Wafer lens
  • Colorless Transparent Silicon Carbide SiC Polished Wafer lens
  • Colorless Transparent Silicon Carbide SiC Polished Wafer lens

Colorless Transparent Silicon Carbide SiC Polished Wafer lens

Place of Origin china
Brand Name zmsh
Model Number HPSI
Product Details
Semiconductor Substrate
Sic Crystal
5G, Device Material, MOCVD,power Electronics
4H-N,semi ,No Doped
Green,blue, White
9.0 Up
High Light: 

Silicon Carbide SiC Polished Wafer


Colorless SiC Polished Wafer


4H-N SiC Polished Wafer

Product Description

Hardness9.4 colourless transparent High purity 4H-SEMI Silicon Carbide SiC Polished Wafer for High  transmittance optical application 


SiC Wafer Feature


Property 4H-SiC, Single Crystal 6H-SiC, Single Crystal
Lattice Parameters a=3.076 Å c=10.053 Å a=3.073 Å c=15.117 Å
Stacking Sequence ABCB ABCACB
Mohs Hardness ≈9.2 ≈9.2
Density 3.21 g/cm3 3.21 g/cm3
Therm. Expansion Coefficient 4-5×10-6/K 4-5×10-6/K
Refraction Index @750nm

no = 2.61

ne = 2.66

no = 2.60

ne = 2.65

Dielectric Constant c~9.66 c~9.66
Thermal Conductivity (N-type, 0.02

a~4.2 W/cm·K@298K

c~3.7 W/cm·K@298K

Thermal Conductivity (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

Band-gap 3.23 eV 3.02 eV
Break-Down Electrical Field 3-5×106V/cm 3-5×106V/cm
Saturation Drift Velocity 2.0×105m/s 2.0×105m/s



Physical & Electronic Properties of SiC Compared to GaAa and Si

  Wide Energy Bandgap (eV)

4H-SiC: 3.26 6H-SiC: 3.03 GaAs: 1.43 Si: 1.12

Electronic devices formed in SiC can operate at extremely high temperatures without suffering from intrinsic conduction effects because of the wide energy bandgap. Also, this property allows SiC to emit and detect short wavelength light which makes the fabrication of blue light emitting diodes and nearly solar blind UV photodetectors possible.

High Breakdown Electric Field [V/cm (for 1000 V operation)]

4H-SiC: 2.2 x 106* 6H-SiC: 2.4 x 106* GaAs: 3 x 105 Si: 2.5 x 105

SiC can withstand a voltage gradient (or electric field) over eight times greater than than Si or GaAs without undergoing avalanche breakdown. This high breakdown electric field enables the fabrication of very high-voltage, high-power devices such as diodes, power transitors, power thyristors and surge suppressors, as well as high power microwave devices. Additionally, it allows the devices to be placed very close together, providing high device packing density for integrated circuits.

High Thermal Conductivity (W/cm · K @ RT)
4H-SiC: 3.0-3.8 6H-SiC: 3.0-3.8 GaAs: 0.5 Si: 1.5

SiC is an excellent thermal conductor. Heat will flow more readily through SiC than other semiconductor materials. In fact, at room temperature, SiC has a higher thermal conductivity than any metal. This property enables SiC devices to operate at extremely high power levels and still dissipate the large amounts of excess heat generated.

High Saturated Electron Drift Velocity [cm/sec (@ E ≥ 2 x 105 V/cm)]

4H-SiC: 2.0 x 107 6H-SiC: 2.0 x 107 GaAs: 1.0 x 107 Si: 1.0 x 107
SiC devices can operate at high frequencies (RF and microwave) because of the high saturated electron drift velocity of SiC.



*III-V Nitride Deposition    *Optoelectronic Devices

*High-Power Devices           *High-Temperature Devices


2.Size Of Material Ingot


















3.products in details
Colorless Transparent Silicon Carbide SiC Polished Wafer lens 0 

Colorless Transparent Silicon Carbide SiC Polished Wafer lens 1



Q: What's the way of shipping and cost?

A:(1) We accept DHL, Fedex, EMS by FOB.


Q: How to pay?

A: T/T, IN advance 


Q: What's your MOQ?

A: (1) For inventory, the MOQ is 30g.

(2) For customized commen products, the MOQ is 50g


Q: What's the delivery time?

A: (1) For the standard products

For inventory: the delivery is 5 workdays after you place the order.

For customized products: the delivery is 2 -4 weeks after you order contact.



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Rm5-616,No.851,Dianshanhu avenue, Qingpu area,Shanghai city,CHINA
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