Materials properties
Structure formula: MgO
State: Monocrystalline
Crystal structure: cCubic
Lattice parameter: 4.213 Å
Density: 3.58 g/cm3
Melting point: 2800°C
Thermal expansion coefficient: 14.2 * 10-6/°C
Dielectrical constant (εr): 10


Substrate properties
Orientation: (100)
Orientation accuracy: £ 0.5°
Standard size: 10mm x 10mm x thickness 1mm or 0.5mm
Tolerance of length: ± 0.10mm (typical better ± 0.05mm)
Tolerance of thickness: ± 0.05mm
Parallelness: £ 0.02mm
Polishing: Standard: one side
Flatness: ¼
Roughness of surface: Rmax £ 5nm (average Ra = 1nm)
Scratches: none
Surface quality: With light microscope without defects