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Al203-TiC Substrate
Kyocera features three Al2O3-TiC Substrate materials for MR and GMR heads.
- TF1000 : High Purity 99.9% Al203-TiC material recommended for RIE processing
- TF800 : An average 0.5 micron grain size for excellent surface finish results after Ion-Milling
- TF400L : A popular material offering excellent slicing performance
Kyocera's Al203-TiC Substrates are available Bare or with ABC and Serialization.
Material Characteristics
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TF1000
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TF800
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TF400L
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A
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B
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Bulk Density
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4.32
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4.32
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4.23
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4.31
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4.3
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Avg. Grain Size
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micron
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1
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0.5
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1
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1
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1.5
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Hardness (Hv)
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Gpa
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18.8
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19.2
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18.5
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18
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19.2
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Young's Modulus
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Gpa
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407
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407
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392
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385
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405
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Coeffecient of Thermal Expansion (40-400°C)
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X10-6/°C
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7.8
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7.9
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7.5
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7.8
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7.6
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Volume Resistivity (20°C)
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Ω·cm
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3 x 10-3
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4 x 10-3
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6 x 10-3
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3 x 10-3
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3 x 10-3
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Al203-TiC Substrate | Ceramic Disk Spacer | Ceramic Fixtures
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