A - Axis 4 Inch Sapphire Optical Windows 85% Vision Light Transmissivity

A - Axis 4 Inch Sapphire Optical Windows 85% Vision Light Transmissivity

  • High Light

    sapphire optics


    sapphire substrate

  • Advantagement
    High Hardness9.0,wear Resistance,
  • Material
    99.999% Al2O3
  • Type
    Single Crystal
  • Industry
    Led,optical Glass,eli-ready Wafer
  • Application
    Semicondutor Wafer, Led Chip, Optical Glass Window, Electronic Ceramics
  • Color
    White Or Red Or Blue
  • Vision Light Transmissivity
  • Place of Origin
  • Brand Name
  • Model Number
  • Minimum Order Quantity
  • Price
    by case
  • Packaging Details
    Vacuum-sealed containers with nitrogen backfill in a class 100 environment
  • Delivery Time
  • Supply Ability

A - Axis 4 Inch Sapphire Optical Windows 85% Vision Light Transmissivity

4inch A-axis sapphire wafer for epi-ready,sapphire thick glass lens for covering,sapphire optical windows, 2INCH 6inch A axis,
random orientation sapphire wafer,


Sapphire advantagement 


  • -Transmits Wavelengths Ranging From UV to Mid-Infrared
  • -Thinner and Stronger than Standard Glass Windows
  • -Features Extreme Surface Hardness and Chemical Resistance
  • Low and High temperature can be used in 
Product Description: Al2O3 single crystal (Sapphire, also known as white stones, sapphire) has good thermal properties, excellent electrical characteristics and dielectric properties, and anti-chemicalcorrosion, it is high temperature, thermal conductivity, high hardness, infrared transparent, chemically stable good. Widely used in high-temperature infrared window materials and III-V nitride epitaxial film substrate and a variety of materials to meet the growing blue, purple, white light-emitting diode (LED) and blue laser (LD) needs, Branch Crystal company specializing in the production of high quality polished sapphire crystal and epitaxial substrates will provide you with a lot of high quality and low price monocrystalline substrate.
We can supply professional customized service in time and provide cooperation and support of new product development and technology appliance.

Sapphire Washers, Sapphire Windows, Sapphire Bearings, Sapphire Rods, Sapphire Tubes, Ruby
sapphire wafer, dome sapphire, Sapphire insulation Film, Sapphire ball lens, Sapphire/ruby ball
1sapphire lens-->2color sappphire-->3sapphire windows--->sapphire watch case --->sapphire optical plate 
-->sapphire lens ---rough sapphire for scan window--->sapphire laser blocks lens--- step lens
---color sapphire   for watch glass 
A - Axis 4 Inch Sapphire Optical Windows 85% Vision Light Transmissivity 0
4inch A-plane specification
  • Material: Single crystal Al2O3 99.999%
  • Orientation: A-plane(11-20) Off M -axis 0.2°±0.1
  • (11-20) - a plane: 2.379 Å ,(1-102) - r plane: 1.740 Å
  • (10-10) - m plane: 1.375 Å ,(0001) - c plane: 2.165 Å
  • Diameter:100.00±0.1mm
  • Thickness :650±25um or 500±25um
  • Primary flat:31±1mm
  • Cleanliness :Free visible contamination
  • OF Orientation flat: C axis±0.1° C-plane(0001)
  • Frontside Surface Roughness:Ra<0.2nm
  • Backside Surface Roughness: 0.8~1.2um
  • ( Or double side polished,  both side Ra<0.2nm)
  • TTV:<15um
  • BOW:-15~0um 
  • WARP:<20um
  • Laser Mark Series No. by needs
  • Package:Vacuum-sealed containers in a class 100 environment
  • Produce step for sapphire crystal to sapphire wafer



A - Axis 4 Inch Sapphire Optical Windows 85% Vision Light Transmissivity 1



Our services

1. Factory direct manufacture and sell.

2. Fast, accurate quotes.

3. Reply to you within 24 working hours.

4. ODM: Customized design is avaliable. Welcome.

5. Speed and precious delivery.



Q1: Are you a factory or trading company ?

A: We are trading company but have a sapphire  factory in wuxi city of China.


Q2: Where is your factory located ? How can i visit there ?

A: It is located in  wuxi city of Jiangsu, China. warmly welcome to visit us!


Q3: Are there any stock or standard products?

A: Yes, we have IPL windows with sapphire substrates as like 2-4inch wafer.

Other sizes also available from us, please provide the drawing or technical requirements

and needed quantity.


Q4: How about the samples policy?

A: Free samples, but buyers please bear the freight charge. For some expensive samples,

samples cost could be necessary.


Q5: If i place an order now ,how long would it be before i got delivery ?

A: It would largely depend on the size of the order and the items you want.

the most quick speed  is in 5 days.