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2" Standard Ingot

4" Standard Ingot

6" Standard Ingot


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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.
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