2” Sapphire Ingot
Specification Item: 2 Inch Sapphire Ingot
Primary Flat Orientation: A-plane(1120)±0.2°
Orientation of C-plane Surface: C-plane(0001)±0.1°
Diameter: 50.9±0.1mm
Circularity: ±0.02mm
Straightness: ±0.02mm
Primary Flat Length: 16.0±0.5mm
Bubbles: ≦15% Mark
Effective Length /pc :80~240mm /pc

2"蓝宝石晶片的指标

Crystal Materials (材料)

High Purity, Monocrystalline Al2O3

Grade(加工等级)

Prime,Epi-ready

Orientation(晶体定向)

C-axis [0001] off to M-plane[1-100] 0.2°±0.05°

Diameter(直径)

50.8mm± 0.1

Thickness(厚度)

430um+/-10um

Primary Flat(主定位边）

A-axis[11-20] ± 0.25°

Major Flat Length (定位边长）

16.0mm± 1mm

Minor (第二定位边)

N / A

Surface Finish(表面处理)

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(激光标记)

Upon Customer's Request

Packaging（包装）

百级洁净室，氮气保护，真空包装

Vacuum packed, in a class 100 clean room, under a nitrogen atmosphere