CRYSCORE OPTOELECTRONIC LIMITED
CRYSCORE OPTOELECTRONIC LIMITED
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2 Inch C-plane(0001) Sapphire Wafers

2 Inch C-plane(0001) Sapphire Wafers

CRYSCORE polishes the sapphire wafers by special CMP (Chemical Mechanical Polishing) technology, which is a widely used planarization technology, and provides the customers with high surface quality sapphire wafers at low cost.


We carry a variety of standard sapphire wafers in stock to ensure a quick delivery. The wafers are cleaned in class 100 cleanroom by ultrapure water with quality above 18 MΩ *cm, and then packed in clean cassettes. 25 pcs a pack or single pack is available to maximize customer flexibility in their research.

2 Inch C-plane(0001) Sapphire Wafers 2 Inch C-plane(0001) Sapphire Wafers
Specifications of 2 Inch C-plane(0001) Sapphire Wafers
Item2-inch C-plane(0001) 430μm Sapphire Wafers
Crystal Materials99,999%, High Purity, Monocrystalline Al2O3
GradePrime, Epi-Ready
Surface OrientationC-plane(0001)
C-plane off-angle toward M-axis 0.2 +/- 0.1°
Diameter50.8 mm +/- 0.1 mm
Thickness430 μm +/- 25 μm
Primary Flat OrientationA-plane(11-20) +/- 0.2°
Primary Flat Length16.0 mm +/- 1.0 mm
Single Side PolishedFront SurfaceEpi-polished, Ra < 0.2 nm (by AFM)
(SSP)Back SurfaceFine ground, Ra = 0.8 μm to 1.2 μm
Double Side PolishedFront SurfaceEpi-polished, Ra < 0.2 nm (by AFM)
(DSP)Back SurfaceEpi-polished, Ra < 0.2 nm (by AFM)
TTV< 10 μm
BOW< 10 μm
WARP< 10 μm
Cleaning / PackagingClass 100 cleanroom cleaning and vacuum packaging,
25 pieces in one cassette packaging or single piece packaging.

Note: Custom sapphire wafers with any orientation and any thickness can be provided.

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