About the product
2inch /3inch 4inch /5inch C-axis/ a-axis/ r-axis/ m-axis 6"/6inch dia150mm C-plane Sapphire SSP/DSP wafers with 650um/1000um Thickness
About synthetic sapphire crystal
Sapphire Properties
GENERAL
Chemical Formula Al2O3
Crystal Stucture Hexagonal System ((hk o 1)
Unit Cell Dimension a=4.758 Å,Å c=12.991 Å, c:a=2.730
PHYSICAL
Metric English (Imperial)
Density 3.98 g/cc 0.144 lb/in3
Hardness 1525 - 2000 Knoop, 9 mhos 3700° F
Melting Point 2310 K (2040° C)
STRUCTURAL
Tensile Strength 275 MPa to 400 MPa 40,000 to 58,000 psi
at 20° 400 MPa 58,000 psi (design min.)
at 500° C 275 MPa 40,000 psi (design min.)
at 1000° C 355 MPa 52,000 psi (design min.)
Flexural Stength 480 MPa to 895 MPa 70,000 to 130,000 psi
Compression Strength 2.0 GPa (ultimate) 300,000 psi (ultimate)
About synthetic sapphire crystal
Sapphire Properties
GENERAL
Chemical Formula Al2O3
Crystal Stucture Hexagonal System ((hk o 1)
Unit Cell Dimension a=4.758 Å,Å c=12.991 Å, c:a=2.730
PHYSICAL
Metric English (Imperial)
Density 3.98 g/cc 0.144 lb/in3
Hardness 1525 - 2000 Knoop, 9 mhos 3700° F
Melting Point 2310 K (2040° C)
STRUCTURAL
Tensile Strength 275 MPa to 400 MPa 40,000 to 58,000 psi
at 20° 400 MPa 58,000 psi (design min.)
at 500° C 275 MPa 40,000 psi (design min.)
at 1000° C 355 MPa 52,000 psi (design min.)
Flexural Stength 480 MPa to 895 MPa 70,000 to 130,000 psi
Compression Strength 2.0 GPa (ultimate) 300,000 psi (ultimate)
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