C/A/M axis 4 inch sapphire wafers single crystal Al2O3,SSP DSP high hardness sapphire substrate

Short Description:

4-inch sapphire wafers are widely used in LEDs, laser diodes, optoelectronic devices, semiconductor devices and other fields. Sapphire wafers have high transmittance and high hardness, making them ideal substrates for manufacturing high brightness and high power LEDs. In addition, sapphire wafers can be used to manufacture optical windows, mechanical components, and more. Whether in the optical field or other fields, sapphire wafers have a wide range of application prospects!

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Product Specification

Material: >99.99% high purity aluminium oxide crystals (effervescent method)

Crystal orientation:

* C-axis (0001) (standard sapphire substrate)

* C-axis deflection towards A-axis 0.5-6 degrees

* C-axis deflection towards M-axis 0.5-6 degrees (oblique cut sapphire substrate)

* A-plane (11-20)

* M-plane (1-100)

* R-side (1-102)

Diameter

* 10*10mm, 15*15mm, 20*20mm (square)

* 50.8mm (2 inch), 76.2mm (3 inch), 100mm (4 inch), 150mm (6 inch), 200mm (8 inch)

* 104mm (4-inch carrier size variable), 159mm (6-inch carrier size variable)

Thickness

* 150 micron/300 micron/400 micron/430 micron (2 inch standard thickness)

* 500 micron / 650 micron (4 inch standard thickness) / 1000 micron (6 inch standard thickness)

* Thickness can be selected more please contact customer service confirmation

Polishing: Single-side polishing / double-side polishing (optional)

CMP Polished Surface Roughness: Epi-ready Ra Total Thickness Tolerance TTV: Warp BOW: refer to specification

Warp: refer to specification

Packing: 25pcs/box Multi-pcs box packing, double PE bag for vacuum.

Shanghai Xinkehui New Material Co., Ltd. can offer sapphire ingot from 80~400kg, sapphire blanks, Sapphire finished products, different colors sapphire(including ruby with laser or gem), EFG sapphire tube, sapphire coating service, Sapphire wafers, and so on.