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. 17, 2008
Filed:
Feb. 24, 2005
Tetsuya Kurokawa, Kawasaki, JP;
Koji Arita, Kawasaki, JP;
Tetsuya Kurokawa, Kawasaki, JP;
Koji Arita, Kawasaki, JP;
NEC Electronics Corporation, Kanagawa, JP;
Abstract
A semiconductor device having interconnects is reduced in leakage current between the interconnects and improved in the TDDB characteristic. It includes an insulating interlayer, and interconnectsfilled in grooves formed in the insulating interlayer, including a copper layermainly composed of copper, having the thickness smaller than the depth of the grooves, and a low-expansion metal layer, which is a metal layer having a heat expansion coefficient smaller than that of the copper layer, formed on the copper layer.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile