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:
Jun. 26, 2012
Filed:
May. 09, 2006
Tadahiro Ohmi, Sendai, JP;
Yasuyuki Shirai, Sendai, JP;
Hitoshi Morinaga, Sendai, JP;
Yasuhiro Kawase, Sendai, JP;
Masafumi Kitano, Sendai, JP;
Fumikazu Mizutani, Kitakyushu, JP;
Makoto Ishikawa, Kitakyushu, JP;
Tadahiro Ohmi, Sendai, JP;
Yasuyuki Shirai, Sendai, JP;
Hitoshi Morinaga, Sendai, JP;
Yasuhiro Kawase, Sendai, JP;
Masafumi Kitano, Sendai, JP;
Fumikazu Mizutani, Kitakyushu, JP;
Makoto Ishikawa, Kitakyushu, JP;
Tohoku University, Sendai-shi, JP;
Mitsubishi Chemical Corporation, Tokyo, JP;
Abstract
A metal oxide film suitable for protection of metals, composed mainly of aluminum. A metal oxide film includes a film of an oxide of a metal composed mainly of aluminum, having a thickness of 10 nm or greater, and exhibiting a moisture release rate from the film of 1E18 mol./cmor less. Further, there is provided a process for producing a metal oxide film, wherein a metal composed mainly of aluminum is subjected to anodic oxidation in a chemical solution of 4 to 10 pH value so as to obtain a metal oxide film.