0.1mm Thickness Sapphire Wafer Al2O3 Material For Small Optical Glass Lens
Brand Name:zmkj
Model Number:dia12x2.5mmt
Minimum Order Quantity:100pcs
Delivery Time:10-20DAYS
Place of Origin:china
Price:by case
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Shanghai Shanghai China
Address:
Room.1-1805,No.1079 Dianshanhu Road,Qingpu Area Shanghai city, China /201799
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Product Details
sapphire parts ,sapphire glass plate for bearing ,optical glass lens
by sapphire ,0.1mm thickness sapphire wafer ,optical glass ingots
by sapphire ,sapphire optical rods,Sapphire small lens,sapphire bearing
1. What's Sapphire? What advantage sapphire have?
Sapphire is a hard crystal,it widely been used for watch and mobilephone, Beauty equipment ,
lasers,LED, and so on.
Material Sapphire(Al2O3)
Density(20°C) Kg/m3 3.98×103
Crystal Structure
hexagonal Crystal lattice constant
a=4.785Å c=12.991 Å
Mohs hardness 9
Melting Point 2045°C
Boiling Point 3000°C
Coefficient of Thermal
Expansion α=5.8×10 -6 /K
Specific heat 0.418W.s/g/k
Thermal conduction 25.12W/m/k(@100°C)
Refractive Index (nd) no=1.768 ne=1.76 dn/dt
13×10-6/K(@633nm)
Tranmission T≈80%(0.3~5um)
Permittivity 11.5(//c), 9.3(⊥c)
Application
- - For LED substrate application
- Sapphire wafer and substrate applications include:
- - Microelectronic IC applications - SOS Silicon-on-Sapphire
- - Growth of superconducting compounds / Gallium Nitride - Infrared detectors
- - Hybrid microelectronics - Polishing carriers
- Hostile environment
- Optical transmission from ultraviolet to near infrared
- High temperature
- Radiation resistance
2. sapphire sample size:dia12x2.5mmt lapped/lapped
3. What shape and size canwe provide?
Specification for sapphire lens
| 1. | Material | Sapphire etc |
| 2. | Dimension | shape0.5-300mm x thickness 0.1~200mm |
| 3. | Dimension Tolerance | ±0.01~0.1mm |
| 4. | Angle Tolerance | 3'~5' |
| 5. | Surface Quality | 80/50,60/40,40/20,20/10, |
| 6. | Flatness | Lambda /4 to 2 Lambda |
| 7. | Bevel | 0.25 mm at 45 degrees |
| 8. | Coating | AR coating or custom |
Process of sapphire lens
sapphire crystal (KY)--> customized orientation rough
block--> anneal 1600°-->wire saw cut-->
shape rough lapped-->chamfer---> (anneal ) ---> fine groud
lapped--> polished -->check test
0.1mm Thickness Sapphire Wafer Al2O3 Material For Small Optical Glass Lens
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