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Stock List Crystals & Substrates

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Lithium Aluminium oxide ( LiAlO3 )

Crystal Specifications

Substrate

LiAlO3

Crystal structure

422 tetragonal

Cell parameter

a = 5.1687
c = 6.2676

Melting point(K)

1973

Density (g/cm3)

2.615

Thermal expansion (x 10-6k-1)

αaa = 7.1
αac = 15
(393-973K)

Dielectric constant (εer)

 

Hardness (Mohs)

6.5

Growth Method

Czockralski

Specifications

Standard Size

Ф?20, 20 x 20, 10 x 10, 10 x 5, 10 x 3 mm
or customer design

Thickness

0.5 mm, 1.0 mm

Thickness tolerance

0.02 mm or 0.005 mm for special order

Polish

one side or two sides

Orientation

(100) (110) (111)

Orientation accuracy

0.5

Edge Orientation accuracy

2 or 1 for special order

Cut with special tilt angle

available (tilt angle: 1 - 45)

Micro Roughness Ra

≤= 5 (5 μm 5 μm)

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