Sapphire

Single crystal sapphire offers superior mechanical properties and chemical stability coupled with light transmission.

Applications include GaAs carrier plates, POS scanner window, microwave plasma tubes and windows,  fixtures for high temperature equipment and blue LED.

 

COMPOSITION
UNIT
Al203
DENSITY
g/cc
3.98
MAX WK TEMP
°C
1900
HARDNESS
Knoop
2000
FLEXURAL
MPa
480
COMPRESSIVE
GPa
2.0
THERMAL CONDUCTIVITY W/(m°k) 46.06
C.O.T.E. In / In / °C 5.8 x 10-7
TENSILE
MPa
400
CRYSTAL STRUCTURE
(hk•l)
Hexagonal System
DIELECTRIC STRENGTH
D.C. Volts Mil @   0.100"  Thick
9.39
COLOR
-
Clear
         
     
 
 

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