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Lithium Aluminium oxide ( LiAlO3 )
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Crystal Specifications
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Substrate
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LiAlO3
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Crystal structure
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422 tetragonal
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Cell parameter
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a = 5.1687 Å
c = 6.2676 Å
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Melting pointø(°K÷)
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1973
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Density ø(g/cm3÷)
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2.615
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Thermal expansion (x 10-6k-1)
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αaa = 7.1
αac = 15
(393-973°K)
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Dielectric constant (εer)
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Hardness (Mohs)
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6.5
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Growth Method
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Czockralski
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Specifications
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Standard Size
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Ф?20, 20 x 20, 10 x 10, 10 x 5, 10 x 3 mm
or customer design
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Thickness
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0.5 mm, 1.0 mm
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Thickness tolerance
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±0.02 mm or 0.005 mm for special order
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Polish
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one side or two sides
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Orientation
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(100) (110) (111)
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Orientation accuracy
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± 0.5°
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Edge Orientation accuracy
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2° or 1° for special order
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Cut with special tilt angle
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available (tilt angle: 1° - 45°)
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Micro Roughness Ra
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≤= 5 Å (5 μm × 5 μm)
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 Up
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