4-inch Sapphire Polished Wafer

Name: 4-inch Sapphire Polished Wafer
SKU: LED-QCY-0016

Cat No:LED-QCY-0016

Description

This product is a 4-inch double-side polished sapphire wafer providing superior surface finish for GaN LED epitaxial deposition.

Datasheet

Inquiry

Basic Information

Material	Sapphire
Diameter, mm	100.0±0.5
Thickness, μm	650±25
Effective Area	>90%
Crystal Orientation	Al2O3 (0001)
Conductivity Type	Insulating type
Total Thickness Variation (TTV), μm	≤10
Bow, μm	≤25
‌Warp, μm	≤35
Surface Roughness, nm	≤0.2
Resistivity, Ω·cm	>10¹²

Applications

High-quality LED production

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For Research or Industrial Raw Materials, Not For Personal Medical Use!