Material: | Sapphire | Shape: | Available Upon Request |
---|---|---|---|
Surface Quality: | 60/40;40/20 | Thickness: | As Request |
Color: | Transperant,colorless | Usage: | Wrist Watch And Smartwatch Glass |
High Light: | sapphire optical window,sapphire coated glass |
The Application of Sapphire Crystal Glass
- Aerospace
Windows, ball bearings, sensors
- Medical
Dental tool tips, endoscopy, camera lens cover
- Oil & Gas
Sight window without housing, gauges, diffusion plates
- Military
Windows, viewports, sensors, range finders
- Research
Containment tubes, cuvettes, lenses
- Semiconductor
Plasma tubes, lamps, lasers
Shape | Lens |
Dimensions | Customer designed |
Diameter Tolerance | ±0.02mm |
Surface quality | 40/20, 60/40, 80/50 |
Material | Sapphire |
Certifacation | ISO, SGS |
Parameters
Crystal growing method: the Verneuil method
Hardness: Mohs hardness 9, Vickers hardness 1400 – 2300
Bending strength: 320 – 950 MPa
Transparency: Transmission range 0.2 – 4.
Synthetic Sapphire Window Technique Index :
Property | Specification |
Thickness | 0.5-50mm |
Size tolerance | 0.02mm |
Edge Finish | Ground and beveled |
Surface Quality | 40-20 scratch-dig |
Surface Flatness | λ/4 @ 633 nm |
Parallelism | ≤3 arc min (≤0.9 mrad) |
Clear Aperture | >80% of central diameter |