|
Major capability parameter | |
|
Crystal structure |
M3 |
|
Unit cell constant |
a=5.462 Å |
|
Melt point（℃） |
1418 |
|
Density |
3.18（g/cm3） |
|
Hardness |
4（mohs） |
|
Thermal expansion |
18.85 x 10-6 /℃//c |
|
Index of refraction |
Ho=1.43382 |
|
Through scope |
0.11-12.00 |
|
Temperature index dh/dt x 10-6 |
10.6 @0.8 m |
|
Growth method |
Bridgeman |
|
Size |
10x3，10x5，10x10，15x15，，20x15，20x20， |
|
dia2” x 0.33mm dia2” x 0.43mm 15 x 15 mm | |
|
Thickness |
0.5mm，1.0mm |
|
Polishing |
Single or double |
|
Crystal orientation |
<001>±0.5º |
|
redirection precision |
±0.5° |
|
Redirection the edge: |
2°（special in 1°） |
|
Angle of crystalline |
Special size and orientation are available upon request |
|
Ra: |
≤5Å（5µm×5µm） |
|
Pack |
100 clean bag，1000 exactly clean bag |