5-inch C-plane (0001) sapphire wafers are not as common as other specifications. However, its quality manufactured by CRYSCORE is as good as gold. 99.999% high purity. Optical grade one material. Roughness less than 0.2 nm (by AFM).
If you need any specifications, one major flat or two flats, please feel free to contact us. CRYSCORE will provide you with high surface quality sapphire wafers at a competitive cost.
|Item||5-inch C-plane(0001) 650μm Sapphire Wafers|
|Crystal Materials||99,999%, High Purity, Monocrystalline Al2O3|
|C-plane off-angle toward M-axis 0.2 +/- 0.1°|
|Diameter||125.0 mm +/- 0.1 mm|
|Thickness||650 μm +/- 25 μm|
|Primary Flat Orientation||A-plane(11-20) +/- 0.2°|
|Primary Flat Length||42.0 mm +/- 1.0 mm|
|Single Side Polished||Front Surface||Epi-polished, Ra < 0.2 nm (by AFM)|
|(SSP)||Back Surface||Fine ground, Ra = 0.8 μm to 1.2 μm|
|Double Side Polished||Front Surface||Epi-polished, Ra < 0.2 nm (by AFM)|
|(DSP)||Back Surface||Epi-polished, Ra < 0.2 nm (by AFM)|
|TTV||< 20 μm|
|BOW||< 20 μm|
|WARP||< 20 μm|
|Cleaning / Packaging||Class 100 cleanroom cleaning and vacuum packaging, single piece packaging.|
Note: Custom sapphire wafers with any orientation and any thickness can be provided.