6inch Cplane Sapphire Substrate
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6inch Cplane Sapphire Substrate

Sapphire substrate features a unique combination of high strength, great heat resistance, wide transmission wavelength range, excellent thermal conductivity and stable electrical properties.
 
With the development of sapphire technology and the application market, 6 inch and 8 inch substrate wafers will be more adopted by mainstream chip companies due to their inherent advantages in production utilization.
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  • 6inch

  • FineWin

Product Description

Detailed specification:


Item6-inch C-plane(0001) 650μm Sapphire Wafers
Growth MethodKY
Crystal Materials99,999%, High Purity, Monocrystalline Al2O3
OrientationCplane (0001)+/- 0.1°  or Cplane off Mplane0.2+/- 0.1°
Thickness1000, 1100,1200 μm +/- 25 μm
Primary Flat OrientationA-plane(11-20) +/- 0.2°
Primary Flat Length47.0 mm +/- 1.0 mm
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< 25 μm
BOW< 30 μm
WARP< 30 μm
CleaningClass 100 cleanroom cleaning and vacuum packaging,
Packaging25 pieces in one cassette packaging or single piece packaging.



Application Situation:

Sapphire substrates will be highly competitive even after transiting into 6-inch wafer productions, as sapphire substrate prices have fallen recently, sapphire substrate material remained stable, and with mature industrial technology. 


the LED industry has used sapphire substrate material in more than 80% applications. As sapphire substrate prices plunge recently, it has led to decreased LED chip costs.



 

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