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:
Nov. 08, 2016
Filed:
Dec. 17, 2008
Applicants:
Hayato Kita, Osaka, JP;
Futoshi Katsuki, Osaka, JP;
Inventors:
Hayato Kita, Osaka, JP;
Futoshi Katsuki, Osaka, JP;
Assignee:
NIPPON STEEL & SUMITOMO METAL CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 15/01 (2006.01); C25F 1/00 (2006.01); C25F 1/04 (2006.01); C25F 1/08 (2006.01); C23C 28/04 (2006.01);
U.S. Cl.
CPC ...
C25F 1/08 (2013.01); C23C 28/042 (2013.01); C23C 28/044 (2013.01); Y10T 428/12493 (2015.01);
Abstract
Disclosed are a titanium material having excellent surface characteristics and a method for readily producing a titanium material having excellent surface characteristics. More specifically, provided is a titanium material including a surface film having a multilayer structure provided with at least two layers, namely a surface layer and an inner layer in contact with the inner side of the surface layer, wherein the surface layer is formed of titanium oxide with a hardness of 5 GPa to 20 GPa, and the inner layer contains at least one of titanium carbide and titanium nitride.