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.

Date of Patent:
Dec. 04, 2012

Filed:

Oct. 29, 2009
Applicants:

Junichi Koike, Sendai, JP;

Akihiro Shibatomi, Sendai, JP;

Inventors:

Junichi Koike, Sendai, JP;

Akihiro Shibatomi, Sendai, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 23/52 (2006.01);
U.S. Cl.
CPC ...
Abstract

A copper interconnection structure includes an insulating layer, an interconnection body including copper in an opening provided on the insulating layer, and a diffusion barrier layer formed between the insulating layer and the interconnection body. The diffusion barrier layer includes an oxide layer including manganese having a compositional ratio of oxygen to manganese (y/x) less than 2.


Find Patent Forward Citations

Koike, Junichi. (2012). Copper interconnection structure and method for forming copper interconnections (U.S. Patent No. 8324730). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8324730

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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