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0.1mm Thickness Sapphire Wafer Al2O3 Material For Small Optical Glass Lens

0.1mm Thickness Sapphire Wafer Al2O3 Material For Small Optical Glass Lens

  • High Light

    sapphire bearings

    ,

    sapphire windows

  • 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
  • Place of Origin
    china
  • Brand Name
    zmkj
  • Model Number
    dia12x2.5mmt
  • Minimum Order Quantity
    100pcs
  • Price
    by case
  • Packaging Details
    PET Films
  • Delivery Time
    10-20DAYS

0.1mm Thickness Sapphire Wafer Al2O3 Material For Small Optical Glass Lens

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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 

  1. - For LED substrate application
  2. Sapphire wafer and substrate applications include:
  3. - Microelectronic IC applications - SOS Silicon-on-Sapphire
  4. - Growth of superconducting compounds / Gallium Nitride - Infrared detectors
  5. - Hybrid microelectronics - Polishing carriers
  6. Hostile environment
  7. Optical transmission from ultraviolet to near infrared
  8. High temperature
  9. Radiation resistance

2. sapphire sample size:dia12x2.5mmt lapped/lapped

0.1mm Thickness Sapphire Wafer Al2O3 Material For Small Optical Glass Lens 00.1mm Thickness Sapphire Wafer Al2O3 Material For Small Optical Glass Lens 1

3. What shape and size canwe provide?


0.1mm Thickness Sapphire Wafer Al2O3 Material For Small Optical Glass Lens 20.1mm Thickness Sapphire Wafer Al2O3 Material For Small Optical Glass Lens 3

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 4