Polish Sapphire wafer - WH-SW

Sapphire windows, 1.Material:single sapphire, 2.Dimension:2mm to 150mm, 3.Surface Quality:40/20, 4.Flatness:1/4 lambda at 633nm - more info check here: http://www.buymeasuringtools.com/Polish-Sapphire-wafer-10058255/

Quick Brief

Place of Origin: Jilin China (Mainland) Brand Name: Worldhawk Model Number: WH-SW Material: Glass Usage: Optical Structure: plano Shape: Plano

Product Features:

Sapphire windows

1.Material:single sapphire

2.Dimension:2mm to 150mm

3.Surface Quality:40/20

4.Flatness:1/4 lambda at 633nm

Business Terms:

Port: Changchun,China

Minimum Order Quantity: 20 Piece/Pieces

Supply Ability: 50000 Piece/Pieces per Month

Payment Terms: L/C,T/T,Western Union,paypal

Contact Supplier

Specifications and Product Details:

Sapphire wafer

Product Description

Crystal
Sapphire Crystal LED class
LED Grade Sapphire
Purity sapphire
Sapphire purity> 99.99%
Color
Color Transparent
Transparent
Crystal orientation
Orientation C surface partial M surface 0.2 ° ± 0.05 °
C-plane (0001) off to M-plane (1-100) 0.2 ° ± 0.05 °
Diameter 50.85 ± 0.05mm
Thickness 0.43 ± 0.015 mm

Initial plane
Primary Flat A axis ± 0.1 °
A-axis ± 0.1 °
Plane Length
Flat Length 16.0 ± 0.5mm
Front surface roughness
Front Side Surface Roughness EPI polished, Ra ≤ 0.2nm
EPI polished, Ra ≤ 0.2nm
Flatness
TTV
≤ 7.0μ M (95% ≤ 5.0μ M; 100% ≤ 7.0μ M)
Warp
WARP
≤ 10.0μ M
Curvature
BOW
-5 ~ +4 mm (90% ≤ 0)
Micro-porosity and color
Bubble & Color is not visible light lamp
None by visual inspection in intensive light
Grain boundary