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Compared to other wafers, the sapphire wafer has many unique features such as high strength, anti-corrosion, anti-abrasion, good thermal conductivity, and good electrical isolation. Due to its excellent mechanical and chemical characteristics, the sapphire wafer plays an important role in the optoelectronics industry and is widely used in precision mechanical parts and vacuum equipment.
|
Growth |
Kyroplous |
|
Diameter |
Ø 1" /Ø 2" / Ø 3" / Ø 4"/ Ø5" |
|
Size |
10 x 10 / 20 x 20 / 50 x 50 / 100 x 100 mm |
|
Thickness |
0.43 mm / 0.5 mm / 1 mm |
|
Surface |
one side / two sides epi polished |
|
Roughness |
Ra ≤ 5 A |
|
Package |
Single wafer container or Ampak cassette |
|
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 |
- High-frequency device
- High-power device
- GaN epitaxy device
- High-temperature device
- Optoelectronic device
- Light-emitting diode
Our Sapphire Wafer is carefully handled during storage and transportation to preserve the quality of our product in its original condition.
