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| Place of Origin | CHINA |
| Brand Name | zmkj |
| Model Number | 4inch |
4inch 2inch 0.5mm 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″ 4inch |
| 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 100.1±0.1mm |
| Thickness | 550±15um or 650±15um |
| Primary Flat location | A-axis±0.2° |
| Flat length | 16.0±1mm 30±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 | ≤15um |
| LTV | ≤2.5um(8mm*8mm) |
| BOW | ≤- 15um |
| Warp | ≤20um |
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Product Name
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Sapphire opticl grade 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
Sapphire Process Step for Wafers＆ Lens
About Our Fctory Equipment
A: We have factory,but zmkj is trading comprehensive semiconductor wafers for export bussiness.
A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock,
it is according to quantity.
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.
A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,
balance before shippment.
If you have another question, pls feel free to contact us as below:
Contact Us at Any Time
