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| Place of Origin | CHINA |
| Brand Name | zmkj |
| Model Number | 2inch 3inch |
2inch 3inch 0.43mm single side polished SSP 0.4mm DSP thickness sapphire Al2O3 crystals substrate wafers for epi-ready,
other size as like 2inch ,3inch ,4inch ,5inch ,6inch ,8inch ,10inch and customized size sapphire wafer ＆ optical lens also can be provide.
Sapphire Substrate Features
Sapphire Substrate Application
Common Size For Wafer ＆ Optical Lens
| Item | 2″ 50.8mm 3inch 76.2mm |
| Crystal | LED Grade Sapphire |
| Sapphire Purity | ≥99.9996% |
| Color | Transparent |
| Orientation | C plane tiled M axis 0.20°±0.1° |
| Diameter | 50.8±0.1mm 76.2±0.1mm |
| Thickness | 430±10um or 400±10um |
| Primary Flat location | A-axis±0.2° |
| Flat length | 16.0±1mm 22±1mm |
| Front Side Surface | Mirror polished , EPI Ready |
| Surface Roughness | Ra<3A |
| Back Side Roughness |
Fine ground, Ra=1.0±0.2um ( or doule side polised 2sp)
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| TTV | ≤10um |
| LTV | ≤2.5um(8mm*8mm) |
| BOW | ≤- 15um |
| Warp | ≤15um |
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Product Name
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Sapphire window
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Material
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Sapphire crystal
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Color
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transparent
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Diameter Tolerance
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+/-0.02mm
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Surface quality
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SD 20/10; 40/20;60/40;80/50
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Clear Aperture
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>90% of Diameter
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Chamfer
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0.25mm*45 degree
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Application
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For optical use
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Sample products in details
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