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.
|