Film magnetic head slider having a contacting portion containing zirconia and carbon
AssigneeHitachi, Ltd.
InventorsShinsuke Higuchi, Yukio Takeda, Shiro Iijima, Masaki Ohura, Sadanori Nagaike
Life of this patent
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Abstract
A film magnetic slider which comprises a slider performing contact-start-stop actions on a recording medium and being provided with a film magnetic head device on the side end of the slider, at least the recording-medium-contacting part of the slider being made from a sintered material having a thermal conductivity of not more than 0.02 cal/cm.sec..degree.C. and an average crystal grain size of not more than 5 .mu.m has a good slidability on the recording medium and a good machinability and can improve the life of the recording medium.
Claims7
A film magnetic head slider which comprises a slider performing contact-start-stop actions on a recording medium and being provided with a film magnetic head device on a side end of the slider, at least the recording medium-contacting part of a slider being made from a sintered material containing ZrO.sub.2 in the cubic system as the major component, and having an average crystal grain size of not more than 5 .mu.m, a carbon content of 0.01 to 1% by weight, and thermal conductivity of not more than 0.02 cal/cm.sec..degree.C.
Dependencies are inferred from the claim text.