Description
Features:
- Single crystal Al2O3 doped with 0.05-0.1% wt Fe Size: 10 mm x 10 mm x 0.5mm
- Orientation: (0001) +/-0.4 o
- Polish: one side polished.
- Surface finish( RMS or Ra): <10 A
Typical Properties for Al2O3:
- Crystal Structure: Hexagonal. a=4.758 Angstroms c=12.99 Angstroms
- Melting Point: 2040 degree C
- Density: 3.97 gram/cm 2
- Growth Technique: CZ
- Crystal Purity: >99.99%
- Hardness: 9 ( mohs)
- Thermal Expansion : 7.5x10 -6 ( / o C)
- Thermal Conductivity : 46.06 @ 0 o C, 25.12 @ 100 o C, 12.56 @ 400 o C ( W/(m.K) )
- Dielectric Constant: ~ 9.4 @300K at A axis ~ 11.58@ 300K at C axis
- Loss Tangent at 10 GHz: < 2x10 -5 at A axis , <5 x10 -5 at C axis