2¨藍寶石晶片的指標
Crystal Materials (材料) High Purity, Monocrystalline Al2O3
Grade(加工等級) Prime,Epi-ready
Orientation(晶體定向) C-axis [0001] off to M-plane[1-100] 0.2°±0.05°
Diameter(直徑) 50.8mm± 0.1
Thickness(厚度) 430um /-10um
Primary Flat(主定位邊) A-axis[11-20] ± 0.25°
Major Flat Length (定位邊長) 16.0mm± 1mm
Minor (第二定位邊) N / A
Surface Finish(表面處理) Front side(正面): Epi-ready polished,Ra≤0.2nm ; Backside(背面):Fine ground ,Ra=0.4~1.2
TTV/BOW/Warp(平整度) TTV ≤10um; BOW ≤10um; Warp ≤10um
Laser Mark(激光標記) Upon Customer’s Request
Packaging(包裝) 百級潔凈室,氮氣保護,真空包裝
Vacuum packed, in a class 100 clean room, under a nitrogen atmosphere