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 代理人
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