Product Details
Place of Origin: china
Brand Name: zmkj
Model Number: dia12x2.5mmt
Payment & Shipping Terms
Minimum Order Quantity: 100pcs
Price: by case
Packaging Details: PET Films
Delivery Time: 10-20DAYS
Materials: |
99.999％ Al2O3 |
Application: |
Semicondutor Wafer, Led Chip, Optical Glass Window, Electronic Ceramics，bearing |
Advantagement: |
High Hardness9.0，wear Resistance, |
VisVisible Light TransmittanceVisible Light Transmittance: |
85％ |
Color: |
Red And White |
Type: |
Single Crystal |
Use: |
Culture Of Bacterial Tablets In Ultra-low Temperature Laboratory |
Materials: |
99.999％ Al2O3 |
Application: |
Semicondutor Wafer, Led Chip, Optical Glass Window, Electronic Ceramics，bearing |
Advantagement: |
High Hardness9.0，wear Resistance, |
VisVisible Light TransmittanceVisible Light Transmittance: |
85％ |
Color: |
Red And White |
Type: |
Single Crystal |
Use: |
Culture Of Bacterial Tablets In Ultra-low Temperature Laboratory |
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
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 |
Video
Video
