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:
Apr. 23, 1991
Filed:
Jul. 19, 1989
Applicant:
Inventors:
Tadahiro Ohmi, Sendai-shi, Miyagi-ken, JP;
Masahiro Miki, Abeno-ku, Osaka, JP;
Hirohisa Kikuyama, Nara-shi, Nara-ken, JP;
Matagoro Maeno, Izumi-shi, Osaka, JP;
Assignee:
Other;
Primary Examiner:
Int. Cl.
CPC ...
C23F / ;
U.S. Cl.
CPC ...
4284722 ; 428469 ; 4284721 ; 148283 ; 118726 ;
Abstract
A metal material characterized in that a film passivated by fluorination which is mainly composed of a metal fluoride substantially satisfying stoichiometric ratio is formed at least partially on a surface of a metal of the metal material, and an apparatus at least partially composed of the metal material.