Polish Sapphire wafer for epitaxy - 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-for-epitaxy-10057944/

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:

EPI-Ready Polished Saoohire Substrate

Crycal Materials	99.995% High Purity,2-3Grade Monocrystalline AL2O3
Wafer Surface Orientation	C-axis(0001)offset to M(1-100)/A(11-20) 0.2°±0.05° / 0.3°±0.1° / ±0.25°
Diameter	50.8mm ± 0.1mm / 76.2mm ± 0.25mm / 100.0 ± 0.40mm / 125.0 ± 0.3mm / 150.0 ± 0.3mm
Thickness	330um ± 15um/430um ± 10um/500um ± 10um
Major Flat	A-axis (1 1-2 0) ± 0.2°
Major Flat Length	16.0mm ± 1.0mm / 22.0mm ± 1.0mm / 32.5 ± 1.0mm / 47.5 ± 2.5mm
Minor	None
Front Surface Finish	Epi-ready polished, Ra< 0.2nm
Back Surface	SSP: Fine ground, Ra 0.4 to 1.0 um; DSP: Polished.
Edge condition	Edge defects not to exceed SEMI M3-91,
TTV	<15um/<10um/<10um
BOW	<15um/<10um/<10um
Warp	<15um/<10um/<10um
Bubble & Color	None by visual inspection in intensive light
Ground Boundary	None by visual inspection in fluorescent light
Cleanliness	Free visible contamination
Packaging	Packaged in a class 100 clean room environment, in cassettes of 25pcs or single fluroware, under a nitrogen atmosphere.
Note	R-plane (1-1 0 2), A-plane (1 1-2 0 ), and M-plane(1-1 0 0) are available; Customer's specification not listed above is also available upon request.