| 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 4.317 Å or more and 4.325 Å or less. | ||
| 申请公布号 | US9293156(B2) | 申请公布日期 | 2016.03.22 |
| 申请号 | US201514752157 | 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 | G11B21/21;G11B5/10;G11B5/105;G11B5/60 | 主分类号 | G11B21/21 |
| 代理机构 | Nixon Peabody LLP | 代理人 | Nixon Peabody LLP ;Costellia Jeffrey L. |
| 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 4.317 Å or more and 4.325 Å or less. | ||
| 地址 | Fukuoka JP | ||