2inch Cplane Sapphire Substrate
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2inch Cplane Sapphire Substrate

99.999% high purity single crystal sapphire wafers for epitaxial growth. 
Our sapphire substrates feature excellent surface finish.
2inch sapphire wafers are our normal products with large quantity stock, Which allow a quick delivery time and competitive price.
  • 2inch

  • FineWin

Product Description

Detailed specification:

Item2Sapphire Substrates
Size2inch, 3inch, 4inch, 6inch 
Growth MethodKY
Crystal Materials99,999%, High Purity, Monocrystalline Al2O3
OrientationC-plane(0001) off M-axis(10-10) 0.3°,0.5°,1°,1.5°,2°,3° and others
Thickness430 μm; 500 μm; 650 μm +/- 25 μm
Primary Flat OrientationA-plane(11-20) +/- 0.2°
Front surfaceEpi-polished, Ra < 0.2 nm (by AFM)
Back surfaceEpi-polished, Ra < 0.2 nm (by AFM)Fine ground, Ra = 0.8 μm to 1.2 μm
TTV< 15 μm
BOW< 15 μm
WARP< 15 μm
CleaningClass 100 cleanroom cleaning and vacuum packaging,
Packaging25 pieces in one cassette packaging or single piece packaging.


Sapphire is a material of a unique combination of physical, chemical and optical properties, which make it resistant to high temperature, thermal shock, water and sand erosion, and scratching. It is a superior window material for many IR applications from 3µm to 5µm. C-plane sapphire substrates are widely used to grow III-V and II-VI compounds such as GaN for blue LED and laser diodes, while R-plane sapphire substrates are used for the hetero-epitaxial deposition of silicon for microelectronic IC applications.