Substrates for thin-film magnetic heads, magnetic head sliders, and hard disk drive devices
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United States of America Patent
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Mar 22, 2016
Grant Date -
Dec 31, 2015
app pub date -
Jun 26, 2015
filing date -
Jun 30, 2014
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Abstract
An AlTiC-based substrate suitable for a thin-film magnetic head is provided. The Al2O3—TiC based substrate for a thin-film magnetic head including an Al2O3 phase and a TiC phase, wherein a c-axis lattice constant of the Al2O3 phase is 12.985 Å or more and 12.992 Å or less, and a lattice constant of the TiC phase is 4.297 Å or more and 4.325 Å or less.
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