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:
Jul. 09, 1991
Filed:
Oct. 11, 1989
Applicant:
Inventor:
Yoshiyuki Sato, Ikeda, JP;
Assignee:
Agency of Industrial Science and Technology, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C25D / ; C23C / ;
U.S. Cl.
CPC ...
204 383 ; 204 561 ; 20419215 ; 427 35 ;
Abstract
The present invention provides a process for preparing an iridium oxide film which comprises evaporating iridium and carbon by electron beam or sputtering to prepare an iridium-carbon composite film, heating said composite film in an oxidizing atmosphere to form a thermally oxidized iridium oxide film, and continuously applying an alternating potential to said iridium oxide film in an aqueous solution to conduct electrolytic oxidation.