Focusing on R&D and manufacturing high-end optical products and customized products.

 Yong Hee
SiC
    Publish time 2023-04-11 00:00    
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.


Features:

It has outstanding physical characteristics such as high-pressure resistance and high-frequency resistance.


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.



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

5x5mm10x10mm15x15mm20x20mm

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

Special requirements can reach within 1°

Surface Roughness

Ra<5Å5×5μm

Package

Class 100 clean bag, Class 1000 super clean room






Product Classification