| Item |
Specification
|
| Product Name |
2" Standard Sapphire Ingot |
4" Standard Sapphire Ingot |
6" Standard Sapphire Ingot |
| Sapphire Material |
High Purity > 99.995%, Monocrystalline Al2O3
|
| Surface Orientation |
C-plane (0001)
|
| M-axis Orientation Tolerance |
0.0 +/- 0.1 deg. |
| A-axis Orientation Tolerance |
0.0 +/- 0.1 deg.
|
| Primary Flat Location, A-plane |
0.0 +/- 0.15 deg.
|
| Primary Flat Length |
16 +/- 0.8 mm |
30 +/- 0.8 mm |
47.5 +/- 0.8 mm |
| M-axis Tilting Angle |
0.0 +/- 0.1 deg.
|
| Ingot Diameter |
50.8 +/- 0.1 mm |
100.1 +/- 0.1 mm |
150.1 +/- 0.1 mm |
| Ingot Length - minimum |
60 mm (< 60 is also available)
|
| Ingot Length - maximum |
200 mm |
150 mm |
150 mm |
| Circularity |
0 +/- 0.02 mm
|
| Edge Chipping/Crack |
< 3 mm
|
| EPD (Etching Pits Density) |
< 1000 pcs/cm2
|
| Length Exclusion (Bubble, defects) |
< 10 %
|
| M-axis Orientation |
parallel to Primary A-Flat
|
| Surface Roughness |
Fire ground
|
| Coloration |
No coloration
|
| Crystal Quality Grade |
Optical grade 1-3
|
| Polarization Inspection |
Perfect Crystal
|
| Material Documentation |
Traceable Lot ID |
|
Remarks:
1. Length Exclusion: Allowance as noted. Exclusive areas will be identified and marked on individual cores. Exclusive areas will not be billed.
2. Material Documentation: A unique and traceable Lot ID will be marked on each core.
3. Customised specification is available upon customers' requirement.
|
