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:
Aug. 05, 1997
Filed:
Mar. 23, 1995
Toshiaki Fukuyama, Nara, JP;
Masakazu Matoba, Tenri, JP;
Yoshihisa Ishimoto, Sakai, JP;
Masahiro Kishida, Nabari, JP;
Toshiyuki Yoshimizu, Soraku-gun, JP;
Takeshi Seike, Kitakatsuragi-gun, JP;
Sharp Kabushiki Kaisha, Osaka, JP;
Abstract
A two-terminal nonlinear device according to the present invention includes a lower electrode of a thin Ta film doped with nitrogen which is formed on a substrate, an anodized oxide film formed by anodizing a surface of the lower electrode, and an upper electrode of a metal thin film which is formed on the anodized oxide film, wherein the thin Ta film includes a structure in which first portions and second portions are alternately deposited, the first portions containing a different amount of nitrogen from that contained in the second portions.