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4H High Purity Semi Insulating SiC Wafer , Production Grade , Epi Ready, 2”Size

    Buy cheap 4H High Purity Semi Insulating SiC Wafer , Production Grade , Epi Ready, 2”Size from wholesalers
     
    Buy cheap 4H High Purity Semi Insulating SiC Wafer , Production Grade , Epi Ready, 2”Size from wholesalers
    • Buy cheap 4H High Purity Semi Insulating SiC Wafer , Production Grade , Epi Ready, 2”Size from wholesalers

    4H High Purity Semi Insulating SiC Wafer , Production Grade , Epi Ready, 2”Size

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    Brand Name : PAM-XIAMEN
    Price : By Case
    Payment Terms : T/T
    Supply Ability : 10,000 wafers/month
    Delivery Time : 5-50 working days
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    4H High Purity Semi Insulating SiC Wafer , Production Grade , Epi Ready, 2”Size

    4H High Purity Semi Insulating SiC Wafer , Production Grade , Epi Ready, 2”Size


    PAM-XIAMEN provides high quality single crystal SiC (Silicon Carbide)waferfor electronic and optoelectronic industry. SiC wafer is a next generation semiconductor material with unique electrical properties and excellent thermal properties for high temperature and high power device application. SiC wafer can be supplied in diameter 2~6 inch, both 4H and 6H SiC , N-type , Nitrogen doped , and semi-insulating type available. Please contact us for more information


    Here Shows Detail Specification:

    SILICON CARBIDE MATERIAL PROPERTIES

    PolytypeSingle Crystal 4HSingle Crystal 6H
    Lattice Parametersa=3.076 Åa=3.073 Å
    c=10.053 Åc=15.117 Å
    Stacking SequenceABCBABCACB
    Band-gap3.26 eV3.03 eV
    Density3.21 · 103 kg/m33.21 · 103 kg/m3
    Therm. Expansion Coefficient4-5×10-6/K4-5×10-6/K
    Refraction Indexno = 2.719no = 2.707
    ne = 2.777ne = 2.755
    Dielectric Constant9.69.66
    Thermal Conductivity490 W/mK490 W/mK
    Break-Down Electrical Field2-4 · 108 V/m2-4 · 108 V/m
    Saturation Drift Velocity2.0 · 105 m/s2.0 · 105 m/s
    Electron Mobility800 cm2/V·S400 cm2/V·S
    hole Mobility115 cm2/V·S90 cm2/V·S
    Mohs Hardness~9~9

    4Hhigh Purity Semi Insulating Silicon Carbide Wafer, Production Grade,Epi Ready,2”Size


    SUBSTRATE PROPERTYS4H-51-SI-PWAM-250 S4H-51-SI-PWAM-330 S4H-51-SI-PWAM-430
    DescriptionProduction Grade 4H SEMI Substrate
    Polytype4H
    Diameter(50.8 ± 0.38) mm
    Thickness(250 ± 25) μm (330 ± 25) μm (430 ± 25) μm
    Resistivity (RT)>1E5 Ω·cm
    Surface Roughness< 0.5 nm (Si-face CMP Epi-ready); <1 nm (C- face Optical polish)
    FWHM<30 arcsec <50 arcsec
    Micropipe DensityA+≤1cm-2 A≤10cm-2 B≤30cm-2 C≤50cm-2 D≤100cm-2
    Surface Orientation
    On axis <0001>± 0.5°
    Off axis 3.5° toward <11-20>± 0.5°
    Primary flat orientationParallel {1-100} ± 5°
    Primary flat length16.00 ± 1.70 mm
    Secondary flat orientation Si-face:90° cw. from orientation flat ± 5°
    C-face:90° ccw. from orientation flat ± 5°
    Secondary flat length8.00 ± 1.70 mm
    Surface FinishSingle or double face polished
    PackagingSingle wafer box or multi wafer box
    Usable area≥ 90 %
    Edge exclusion1 mm

    sic crystal defects

    Most of the defects which were observed in SiC were also observed in other crystalline materials. Like the dislocations, stacking faults (SFs), low angle boundaries (LABs) and twins. Some others appear in materials having the Zing- Blend or the Wurtzite structure, like the IDBs. Micropipes and inclusions from other phases mainly appear in SiC.


    SiC Material Properties

    SILICON CARBIDE (SiC) materials are currently metamorphosing from research and development into a market driven manufacturing product. SiC substrates are currently used as the base for a large fraction of the world production of green, blue, and ultraviolet light-emitting diodes (LEDs). Emerging markets for SiC homoepitaxy include high-power switching devices and microwave devices for S and X band . Applications for heteroepitaxial GaN-based structures on SiC substrates include LEDs and microwave devices. These exciting device results stem primarily from the exploitation of the unique electrical and thermophysical properties offered by SiC compared to Si and GaAs. Among these are: a large bandgap for high-temperature operation and radiation resistance; high critical breakdown field for high-power output; high saturated electron velocity for high-frequency operation; significantly higher thermal conductivity for thermal management of high-power devices.

    Product Tags:

    4h sic wafer

      

    semi standard wafer

      
    Quality 4H High Purity Semi Insulating SiC Wafer , Production Grade , Epi Ready, 2”Size for sale
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