Home ﹥ Products > 藍寶石晶片 Sapphire Substrate (Al2O3) > Substrate See Larger Image Sapphire Substrate (藍寶石晶片) Substrate 2"/ 3"/ 4" Sapphire Specification Specification Item 2" 3" 4" Unit 1.Surface Orientation C-plane(0001) C-plane(0001) C-plane(0001) 1-1 Surface Orientation M 0.20±0.10 0.20±0.10 0.20±0.10 degree 1.2 Surface Orientation A 0.00±0.10 0.00±0.10 0.00±0.10 degree 2.Orientation Flat A-plane(11-20) A-plane(11-20) A-plane(11-20) 2-1 Primary Flat 0.00±0.25 0.00±0.25 0.00±0.25 degree 2-2 Primary Flat Length 16.0±1.0 22.0±1.0 32.0±1.0 mm 3.Diameter 50.8±0.25 76.2±0.25 100.0±0.3 mm 4.Thickness 330/430±25 550±25 650±25 μm 5.TTV ≦10 ≦10 ≦15 μm 6.BOW -10~0 -10~0 -20~0 μm 7.WARP ≦10 ≦15 ≦15 μm 8.Front Surface Ra≦0.2 Ra≦0.3 Ra≦0.3 nm 9.Back Surface 0.8≦Ra≦1.2 0.8≦Ra≦1.2 0.8≦Ra≦1.2 μm
