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. 13, 2006
Filed:
Dec. 23, 2003
Applicant:
Yoshihiro Takao, Kawasaki, JP;
Inventor:
Yoshihiro Takao, Kawasaki, JP;
Assignee:
Fujitsu Limited, Kawasaki, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01L 23/48 (2006.01);
U.S. Cl.
CPC ...
Abstract
The semiconductor device comprises an interconnection buried in an interconnection groove formed in a lower insulating film, and an upper insulating film having a contact hole formed down to an end part of the interconnection. The interconnection groove is formed by using a design pattern having a main interconnection portionand an extended portionprovided at an end part of a main interconnection portionfor forming the interconnection and extended perpendicularly to an extending direction of the main interconnection portion