HENAN ZG INDUSTRIAL PRODUCTS CO.,LTD
HENAN ZG INDUSTRIAL PRODUCTS CO.,LTD
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Sapphire Wafer, making blue LED , high Tc superconductor and microwave IC
Semiconductor Wafer Inc. provides 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 6 ". 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 , size range from 10 x 10 mm to 100 x 100 mm , we can offer complete orientation options including C plane ,A plane ,R plane and M plane , it has good surface finish Ra < 5 A and high cleanliness , SWI can offer epi ready grade sapphire wafer for your epitaxial growth . Please contact us for more product information .
Sapphire Wafer Feature
| Excellent light transmission | Good thermal conductivity |
| Low dielectric loss | High working temperature |
| High anti corrosion | Stable dielectric constant |
| Superior mechanical property |
Sapphire Wafer Properties
| Chemical formula | Al2O3 |
| Crystal structure | Hexagonal |
| Lattice constant | 4.77 A |
| Hardness | 9 |
| Thermal conductivity | 46 W / mk |
| Dielectric constant | 11.58 |
| Refractive index | 1.768 |
Product Specification
| Growth | Kyroplous |
|---|---|
| Diameter | Ø 1" / Ø 2" / Ø 3" / Ø 4"/ Ø 6" |
| Size | 10 x 10 / 20 x 20 / 50 x 50 / 100 x 100 mm |
| Thickness | 0.43 mm / 0.5 mm / 1 mm |
| Orientation | <0001> / <1120> / <1102> / <1010> |
| C plane / A plane / R plane / M plane | |
| Surface | one side / two sides epi polished |
| Roughness | Ra <= 5 A |
| Package | Single wafer container or Ampak cassette |