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:
Jul. 29, 2008
Filed:
Oct. 25, 2005
Applicants:
Katsuaki Natori, Yokohama, JP;
Tomohiro Saito, Yokohama, JP;
Yoshihiro Uozumi, Yokohama, JP;
Inventors:
Assignee:
Kabushiki Kaisha Toshiba, Kawasaki-shi, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 21/20 (2006.01);
U.S. Cl.
CPC ...
Abstract
A semiconductor device comprising a semiconductor substrate, and a plurality of capacitors formed on the semiconductor substrate. The capacitors comprise a plurality of lower electrodes formed on the semiconductor substrate, a ferroelectric film formed continuously covering the plurality of lower electrodes, and an upper electrode formed on the surface of the ferroelectric film, wherein each of the capacitors is formed for each of the plurality of lower electrode.