发明名称 |
SUBSTRATES FOR THIN-FILM MAGNETIC HEADS, MAGNETIC HEAD SLIDERS, AND HARD DISK DRIVE DEVICES |
摘要 |
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 12.992 Å or more and 12.998 Å or less, and a lattice constant of the TiC phase is 4.297 Å or more and 4.315 Å or less. |
申请公布号 |
US2015380023(A1) |
申请公布日期 |
2015.12.31 |
申请号 |
US201514751184 |
申请日期 |
2015.06.26 |
申请人 |
NIPPON TUNGSTEN CO., LTD. ;HITACHI METALS, LTD. |
发明人 |
HARA Yusuke;MITOMI Shinzoh;MATSUO Shigeru;SAKUMICHI Hidetaka |
分类号 |
G11B5/39;G11B5/60 |
主分类号 |
G11B5/39 |
代理机构 |
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代理人 |
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主权项 |
1. An 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 12.992 Å or more and 12.998 Å or less, and a lattice constant of the TiC phase is 4.297 Å or more and 4.315 Å or less. |
地址 |
Fukuoka-shi JP |