SiC
N-type silicon carbide substrate material is an essential material to support the development of the power electronics industry. Its outstanding physical characteristics such as high-pressure resistance and high-frequency resistance can be widely used in high-power high-frequency electronic devices, electric vehicle PCU, photovoltaic inverter, rail transit power control system and other fields, and can play a role of reducing volume simplification system and improving power density.
CasCrysTech (CCT) provides high quality SiC(Silicon Carbide) crystal substrate which can be customized upon customer's requirements.CasCrysTech (CCT) provides high quality Silicon Carbide(SiC) crystals upon request from customers.
Uses/Applications
N-type silicon carbide substrate material is an essential material to support the development of the power electronics industry.
It can be used in high-frequency electronic devices, electric vehicle power control unit(PCU), photovoltaic inverter, rail transit power control system and other fields, and can play a role of reducing volume simplification system and improving power density.
Features/Benefits
It has outstanding physical characteristics such as high-pressure resistance and high-frequency resistance.
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Parameters
Growth Method
Seed crystal sublimation method, PVT (Physical gas phase transfer)
Crystal Structure
Hexagonal
Lattice Constant
a=3.08 Å, c=15.08 Å
Marshalling Sequence
ABCACB(6H), ABCBABCB(4H)
Band gap
2.93 eV
Mohs Hardness
9.2 (mohs)
Thermal Conductivity @300K
5 (W/ cmK)
Dielectric Constant
e(11)=e(22)=9.66 e(33)=10.33
Conductor Type
I
N
Dopant
Undoped
Vanadium
Nitrogen
Resistivity （ohm.cm）
˃ 1 x 107
˃ 1 x 105
0.01-0.2
Dimension
5x5mm，10x10mm，15x15mm，20x20mm
Ø50.8, Ø100 mm, Ø150mm
Thickness
0.33/0.35/0.5mm,
According to customer needs, substrates with special orientation and size can be customized.
Polishing
One side or two sides
Orientation
<0001>or <0001>off 4.0º
Orientation Tolerance
±0.5°
Edge Orientation Accuracy
2°（Special requirements can reach within 1°）
Surface Roughness
Ra<5Å（5×5μm）
Package
Class 100 clean bag, Class 1000 super clean room
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Dimension
5x5mm，10x10mm，15x15mm，20x20mm; Ø50.8, Ø100 mm, Ø150mm
Thickness
0.33/0.35/0.5mm,
According to customer needs, substrates with special orientation and size can be customized.