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. 12, 2011
Filed:
May. 30, 2007
Michihiro Kobayashi, Kanagawa, JP;
Hirofumi Nikaido, Kanagawa, JP;
Nobuyuki Katsuki, Kanagawa, JP;
Yasuhiro Kawakatsu, Kanagawa, JP;
Michihiro Kobayashi, Kanagawa, JP;
Hirofumi Nikaido, Kanagawa, JP;
Nobuyuki Katsuki, Kanagawa, JP;
Yasuhiro Kawakatsu, Kanagawa, JP;
NEC Electronics Corporation, Kawasaki, Kanagawa, JP;
Abstract
Two interconnect layers are electrically connected while reducing the number of manufacturing steps. A contact plugwhich is formed into a beaded shape in a layer underlying two interconnectsC andD and which also electrically connects the two interconnectsC andD is included. The two interconnectsC andD are separated to each other and are formed in a same layer. The contact plugis simultaneously formed with a contact plugto be connected to an interconnectand a contact plugto be connected to a source/drain region