产品简介
蓝宝石(Sapphire,又称白宝石,分子式为Al2O3)单晶是一种优秀的多功能材料。它耐高温,导热好,硬度高,透红外,化学稳定性好。广泛用于工业、国防和科研的多个领域(如耐高温红外窗口等)。同时它也是一种用途广泛的单晶基片材料,是当前蓝、紫、白光发光二极管(LED)和蓝光激光器(LD)工业的首选基片(需首先在蓝宝石基片上外延氮化镓薄膜),也是重要的超导薄膜基片。
产品规格说明
1.常规蓝宝石晶片
Crystal Materials
99,996% of Al2O3,High Purity, Monocrystalline, Al2O3
Crystal quality
Inclusions, block marks, twins, Color, micro-bubbles and dispersal centers are non-existent
Diameter
2inch
3inch
4inch
5inch ~ 7inch
50.8± 0.1mm
76.2±0.2mm
100±0.3mm
In accordance with the provisions of standard production
Thickness
430±15µm
550±15µm
650±20µm
Can be customized by customer
Orientation
C- plane (0001) to M-plane (1-100) or A-plane(1 1-2 0) 0.2±0.1° /0.3±0.1°, R-plane (1-1 0 2), A-plane (1 1-2 0 ), M-plane(1-1 0 0), Any Orientation , Any angle
Primary flat length
16.0±1mm
22.0±1.0mm
32.5±1.5 mm
In accordance with the provisions of standard production
Primary flat Orientation
A-plane (1 1-2 0 ) ± 0.2°
TTV
≤10µm
≤15µm
≤20µm
≤30µm
LTV
≤10µm
≤15µm
≤20µm
≤30µm
TIR
≤10µm
≤15µm
≤20µm
≤30µm
BOW
≤10µm
≤15µm
≤20µm
≤30µm
Warp
≤10µm
≤15µm
≤20µm
≤30µm
Front Surface
Epi-Polished (Ra< 0.2nm)
Back Surface
Fine ground (Ra=0.5 to 1.2 µm), Epi-Polished (Ra< 0.2nm)
Note
Can provide high-quality sapphire substrate wafer according to customers' specific requirement
2. R面蓝宝石晶片
公司根据客户的特殊需求,也另生产R面蓝宝石晶片!
4寸R面蓝宝石衬底
项目规格
尺寸与公差
单位
直径
100±0.3
mm
厚度
500
µm
厚度公差
±20
µm
晶向
R面
定向精度
定向精度<0.08°(5′)
基准边
边长:32.5 ± 1.5
mm
基准边晶向
(0ī11)
---
定向精度<0.08°(5′)
表面粗糙度
<0.2
nm
翘曲度(Warp)
<20
µm
表面处理
双面抛光
N/A
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