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:
Oct. 06, 2009
Filed:
Apr. 08, 2005
Takumi Mikawa, Shiga, JP;
Yuji Judai, Kyoto, JP;
Takumi Mikawa, Shiga, JP;
Yuji Judai, Kyoto, JP;
Panasonic Corporation, Osaka, JP;
Abstract
A semiconductor device includes: first and second conductive layers; a first insulating film; a first plug; a second insulating film; a first opening; and a capacitor constituted by a lower electrode made of a first metal film formed on the wall and bottom of the first opening and electrically connected to the upper end of the first plug, a capacitive dielectric film made of a ferroelectric film formed on the lower electrode, and an upper electrode made of a second metal film formed on the capacitive dielectric film. The second conductive layer and the upper electrode are electrically connected to each other in the first and second insulating films.