蓝宝石衬底

蓝宝石衬底是目前制造蓝光、绿光和白光LED的重要材料。公司可提供2寸标准衬底基片和毛坯片，衬底规格如下：Sapphire substrates2"Diameter50.8 ±0.05mmThickness330-430±50µmOrientationC (0001) ±0.2°TTV and Bow<20nm; or on requestFront SurfaceEpi polishedBack SideLapped or polishedFlatness<5nm, or on requestRoughness (Ra)<0.5nm, or on requestORF16.0 ±1.0mmPrimary Flat LocationA or M ±?0.5°Secondary Flat Location90°to primaryPackage25-wafer cassette, or on request