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Aluminum oxide Wafer Al2O3 Crystal Substrate

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Aluminum oxide Wafer Al2O3 Crystal Substrate

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    Al2O3

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    1

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    In Stock

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Aluminum oxide Wafer Al2O3 Crystal Substrate

Sapphire crystal has good thermal properties, excellent electrical properties and dielectric properties, And good thermostability, Thermal conductivity, Infrared permeability, chemical stability, High hardness, anti-chemical corrosion,  Sapphire,Al2O3 are widely used in industrial, national defense and scientific research (such as high-temperature infrared windows, etc.). It is also a extensive use in monocrystalline substrate material.



The main performance parameters
Product Name Sapphire single crystal substrate, Sapphire wafer, Al2O3 wafer
Crystal Structure
Hexagonal system
Orientation
C-plane (0001), A-plane (11-20), M-plane (10-10), R-plane (1-102)
Lattice Constant
a=4.748Å  c=12.97Å
Density
3.98（g/cm3）
Melting Point
2040℃
Mohs Hardness
9
Coefficient of Thermal expansion
7.5  (x10-6/ oC)
Thermal conductivity
 
⊥c
//c
23℃
0.055
26℃ 0.060
77℃
0.040
70℃ 0.041
Dielectric Constant
~ 9.4 @300K  at A axis ~ 11.58@ 300K at C axis
Packing
Class-100 Clean bag, in class-1000 clean room

 

Standard Specification
Product Name Orientation Standard Size Thickness Polishing  
Sapphire substrate
Sapphire wafer 		<0001> ±0.3°
<11-20> ±0.3°
<10-10> ±0.3°
<1-102> ±0.3°
Or other off-angle 		10x10mm
10x5mm
5x5mm
20x20mm
100x100mm
φ1" x 0.5mm
φ2" x 0.43mm
φ3" x 0.5mm
φ4" x 0.65mm
φ6" x 1.0mm
Or others 		0.1mm
0.2mm
0.5mm
1.0mm
2.0mm
Or others 		Fine ground
Single side polished
Double side polished

Roughness: Ra<3A(0.3nm)
(Epi-ready) 		Inquiry Online


Al2O3 substrate

tags : Al2O3 substrate Al2O3 Crystal Substrate Aluminum oxide Wafer
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