The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 22, 2016
Filed:
Jun. 26, 2015
Applicants:
Nippon Tungsten Co., Ltd., Fukuoka-shi, Fukuoka, JP;
Hitachi Metals, Ltd., Minato-ku, Tokyo, JP;
Inventors:
Yusuke Hara, Fukuoka, JP;
Shinzoh Mitomi, Fukuoka, JP;
Shigeru Matsuo, Fukuoka, JP;
Hidetaka Sakumichi, Kumagaya, JP;
Assignees:
NIPPON TUNGSTEN CO., LTD., Fukuoka, JP;
HITACHI METALS, LTD., Tokyo, JP;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G11B 21/21 (2006.01); G11B 5/10 (2006.01); G11B 5/105 (2006.01); G11B 5/60 (2006.01);
U.S. Cl.
CPC ...
G11B 5/10 (2013.01); G11B 5/105 (2013.01);
Abstract
An AlTiC-based substrate suitable for a thin-film magnetic head is provided. The AlO—TiC based substrate for a thin-film magnetic head including an AlOphase and a TiC phase, wherein a c-axis lattice constant of the AlOphase 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.