Material for magnetic head substrate member
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United States of America Patent
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Feb 20, 1990
Grant Date -
N/A
app pub date -
Mar 3, 1987
filing date -
Jun 20, 1986
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A material for thin film magnetic head slider particularly suited for high recording, which is obtained by sintering a mixture consisting essentially of: 5 to 45% by weight of titanium carbide component; 0.2 to 10% by weight of zirconium oxide; 0.05 to 2% by weight of oxide of yttrium; 0.2 to 25% by weight of aluminum nitride; and the balance of Al.sub.2 O.sub.3 component substituted with 0.5 to 8% by weight being at least one machinability agent selected from the group consisting of oxides of Mg, Ca, B, Ni and Cr and complex oxides thereof.
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