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.

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.

  • 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


  • 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.