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. 10, 2014
Filed:
Jan. 04, 2007
Hiroshi Morioka, Kawasaki, JP;
Jusuke Ogura, Kawasaki, JP;
Sergey Pidin, Kawasaki, JP;
Fujitsu Semiconductor Limited, Yokohama, JP;
Abstract
A semiconductor device having a contact structure is provided. The semiconductor device includes: a conductive region; a first film and a second film which are formed over the conductive region to realize a layer; and a contact electrode which extends through the layer to the conductive region, and is formed so as to replace a portion of the layer with a portion of the contact electrode, where the portion of the layer is constituted by only the first film, only the second film, or both of a portion of the first film and a portion of the second film, and the portion of the first film occupies a major part of the portion of the layer.