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:
Aug. 05, 2003
Filed:
May. 17, 2001
Katsunobu Hori, Hyogo, JP;
Takeshi Matsunuma, Hyogo, JP;
Kenichiro Shiozawa, Hyogo, JP;
Moriaki Akazawa, Hyogo, JP;
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Abstract
A semiconductor device having a capacitor and a method of manufacturing thereof are provided, securing a certain capacitance while allowing the size to be reduced. The semiconductor device includes a capacitor lower electrode having an upper surface and including a metal film, a dielectric film deposited on the upper surface of the capacitor lower electrode and having its thickness smaller than that of the capacitor lower electrode, and a capacitor upper electrode deposited on the dielectric film, having its width smaller than that of the capacitor lower electrode and including a metal film.