Products

  

Single Crystal Substrates

Sapphire (Al2O3) Single Crystal Substrates

PHYSICAL PROPERTIES

Structure:

Hexagonal a=0.477 nm

Twin Structure:

Twinfree

Density:

3.98g/cm3

Melting Point:

2052° C

Thermal Expansion:

par.c: 5.4 x 10-6 K-1

perp.c: 6.2 x 10-6 K-1

Dielectric Constant:

par.c: 9.4

perp.c: 11.5

Loss Tangent (10GHz):

par.c: 3 x 10-5

perp.c: 8.6 x 10-5

SUBSTRATE PARAMETERS

Orientation:

<0001>, <1012>, and <1102>