2°Off C - Axis Synthetic Sapphire Glass Epi - Ready Substrates 2 Inch Diameter 50.8mm

2°off C-plane orientation 2inch sapphire wafer for epi-ready, customized orientation Al2O3 single crystal wafer ,sapphire thick glass lens for covering,sapphire optical windows

About Our Company
We can provide single crystal sapphire wafer to optoelectronics and microelectronics industry for making blue LED , high Tc superconductor and microwave IC applications , in diameter range from 1" to 8". Sapphire wafer have many unique features such as high strength, high anti- corrosion , high anti-abrasion , low dielectric loss , good electrical insulation , with excellent mechanical and chemical characteristics , sapphire wafer plays an important role in opto-electronics industry today and widely used in precision mechanical parts and vacuum equipments . Sapphire wafer are produed by Kyroplous method , wafer can be offered in round shape and square shape etc. size range from 5 x 5 mm to 300 x 300 mml, we can offer customized orientation options including C plane ,A plane ,R plane and M plane , it has good surface finish Ra < 3 A and high cleanliness , zmkj can offer epi ready grade sapphire wafer for your epitaxial growth . Please contact us for more product information .


Applications

- For LED substrate application (2-8inch wafer)

Sapphire wafer and substrate applications include:
- Microelectronic IC applications - SOS Silicon-on-Sapphire
- Growth of superconducting compounds / Gallium Nitride - Infrared detectors
- Hybrid microelectronics - Polishing carriers
Sapphire optical lens Aapplications points:(customized shape)

- Hostile environment
- Optical transmission from ultraviolet to near infrared
- High temperature
- Radiation resistance

2inch 2°off C-plane specification
Material: Single crystal Al2O3 99.999％
Orientation: off C-plane(0001) to M -axis 2°±0.1°,

Diameter:50.80±0.2mm

Thickness 500±15um or 750±15um or 1000±15um

Primary flat:16±1mm

OF Orientation flat: A axis±0.1°

Frontside Surface Roughness:Ra＜0.3nm

Backside Surface Roughness: 0.8~1.2um

( Or double side polished, both side Ra＜0.3nm)

TTV:＜15um

BOW:-15~0um

WARP:＜15um

Laser Mark Series No. by needs

Package:Vacuum-sealed containers in a class 100 environment

Cleanliness :Free visible contamination