|
Major capability parameter | |
|
Crystal structure |
M6 |
|
Unit cell constant |
a=3.252Å c=5.313 Å |
|
Density |
5.7（g/cm3） |
|
Hardness |
4（mohs） |
|
Melt point |
1975℃ |
|
Thermal expansion |
6.5 x 10-6 /℃//a 3.7 x 10-6 /℃//c |
|
Planned constant |
1200 mv/k @ 300 ℃ |
|
Thermal conductivity |
0.006 cal/cm/k |
|
Through scope |
0.4-0.6 um > 50% at 2mm |
|
Crystal orientation |
<0001>、<11-20>、<10-10>±0.5º |
|
Size（mm） |
25×25×0.5mm、10×10×0.5mm、10×5×0.5mm、5×5×0.5mm
special size and orientation are available upon request |
|
Surface rough |
Surface roughness(Ra):<=5A |
|
Polishing |
Single or double |
|
Pack |
100 clean bag，1000 exactly clean bag |