Free standing GaN (Gallium Nitride) substrate wafer is mainly used for UHB-LED and LD application. The well-known effect of using free-standing GaN substrates can be improved material quality, reducing parasitic resistance effects for creating nitride semiconductor devices.
Product Name |
GaN-FS |
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Diameter |
50.8 ± 1.0 |
100 mm ± 0.1 |
mm |
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Type/Dopant |
N / Ge or Si |
N / Undoped |
SI / Fe or Carbon |
N / Undoped |
N / Si |
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Resistivity |
< 0.05 |
< 0.5 |
>106 |
< 0.5 |
< 0.05 |
Ω.cm |
Orientation* |
C-plane (0001) off toward M-Axis 0.35°± 0.15° |
C-plane(0001) ± 0.5° |
degree |
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Thickness* |
350~500 ± 25 |
µm |
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Dislocation Density |
(0.5~3) x 106 |
(0.1~3) x 106 |
(0.1~3) x 106 |
>5 x 106 |
cm-2 |
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Front Surface |
Polished (Ra<0.2nm) |
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Back Surface |
Fine ground |
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Useable Surface Area |
> 90 |
% |
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* Other conditions & customized specifications are welcome |