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Atomfair 2″ Undoped GaAs Single Crystal Wafer
A compound of gallium and arsenic, our GaAs wafer is a III-V direct-bandgap semiconductor with a zinc blende crystal structure. It’s ideal for manufacturing microwave ICs, MMICs, IR LEDs, laser diodes, solar cells, and optical windows. As a high-quality substrate, it enables epitaxial growth of other III-V semiconductors like InGaAs and AlGaAs, meeting rigorous standards for optoelectronic and high-frequency applications.
Description
Property | Value |
---|---|
Crystal Material | Single Crystal Gallium Arsenide, VGF/LEC grown |
Orientation | (100) or (111) a°±β° |
Doping | Undoped |
Diameter | 50mm±0.25mm |
Thickness | 350±25um / 550±25um / 625±25um |
Resistivity | (1-30)x10Ω.cm |
Mobility | 1500~3000 cm²/V-sec |
Etch Pit Density | ≤510 cm⁻² |
Primary Flat | (0-1-1)±0.5deg, 16±1.0mm |
Secondary Flat | (0-1 1)±5.0 deg, 8±1.0mm |
Front Surface | Polished in Epi-ready Prime grade |
Back Surface | Polished / Lapping or Etched |
Epi-ready | Yes |
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