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:
Apr. 16, 2013
Filed:
Apr. 02, 2010
Applicants:
Chikako Chida, Osaka, JP;
Fumito Itou, Osaka, JP;
Hiroshige Hirano, Nara, JP;
Inventors:
Assignee:
Panasonic Corporation, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 23/48 (2006.01); H01L 23/52 (2006.01); H01L 29/40 (2006.01);
U.S. Cl.
CPC ...
Abstract
A semiconductor device includes a lower-layer wire, an upper-layer wire including a wire portion and a first wide portion whose wire width is greater than the wire portion, and a contact formation portion in which a contact portion for connecting the lower-layer wire and the first wide portion with each other is provided. The contact formation portion has a planar shape of which a length Lin a direction parallel to a wire width direction of the first wide portion is greater than a length Lin a direction parallel to a wire length direction of the first wide portion.