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2 / 3 Inch Sapphire Parts , Sapphire Substrate 0.4mm Thickness High Working Temperature

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SHANGHAI FAMOUS TRADE CO.,LTD

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2inch 3inch 0.43mm single side polished SSP 0.4mm DSP thickness sapphire Al2O3 crystals substrate wafers for epi-ready,

other size as like 2inch ,3inch ,4inch ,5inch ,6inch ,8inch ,10inch and customized size sapphire wafer ＆ optical lens also can be provide.

Sapphire Substrate Features

Sapphire Substrate Application

Common Size For Wafer ＆ Optical Lens

Item	2″ 50.8mm 3inch 76.2mm
Crystal	LED Grade Sapphire
Sapphire Purity	≥99.9996%
Color	Transparent
Orientation	C plane tiled M axis 0.20°±0.1°
Diameter	50.8±0.1mm 76.2±0.1mm
Thickness	430±10um or 400±10um
Primary Flat location	A-axis±0.2°
Flat length	16.0±1mm 22±1mm
Front Side Surface	Mirror polished , EPI Ready
Surface Roughness	Ra<3A
Back Side Roughness	Fine ground, Ra=1.0±0.2um ( or doule side polised 2sp)
TTV	≤10um
LTV	≤2.5um(8mm*8mm)
BOW	≤- 15um
Warp	≤15um

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sapphire bearings

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