| LINEAR FORMULA: |
Al2O3
|
| PURITY: |
>99.99% |
| CRYSTAL ORIENTATION: |
(100), (110) & (111) |
| GROWTH METHOD: |
Czochralski |
|
|
| CRYSTAL STRUCTURE: |
Hexagonal
|
| LATTICE CONSTANT: |
a=4.785, c=12.991
|
| MELTING POINT (°C): |
2040 C |
| THERMAL EXPANSION COEFFICIENT (/K): |
7.5 × 10-6 /°C |
| HARDNESS: |
9 |
| MOLAR MASS (G/MOL): |
|
| DENSITY (G/CM3): |
3.98g/cm3 |
| REFRACTIVE INDEX: |
|
| DIELECTRIC CONSTANTS: |
~9.4 @ 300K AT A Axis ~ 11.58@300K at C axis |
| CHEMICAL STABILITY: |
|
|
|
| SIZES: |
5x5mm & 10x10 mm |
| TYPICAL THICKNESS: |
0.5mm |
| SIZE TOLERANCES: |
+/- 0.1mm |
| THICKNESS TOLERANCES: |
+/- 0.015mm |
| ORIENTATION PRECISION: |
+/-0.5 degree |
|
|
| POLISHING OPTIONS: |
SINGLE SIDED (1SP) OR BOTH SIDES POLISHED (2SP) |
| ROUGHNESS RA: |
<0.5nm |
|
|
| ELECTRO-OPTIC COEFFIEIENT |
|
| SPECTRAL TRANSMISSION RANGE |
|
| NON LINEAR COEFFICIENT |
|
| THERMAL CONDUCTIVITY |
46.06 @ 0 oC, 25.12 @ 100 oC, 12.56 @ 400 oC ( W/(m.K) ) |
| WATER ABSORPTION |
0% |
| FLEXURAL STRENGTH |
380Mpa |
| MAX. WORKING TEMPERATURE |
1200C |
