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:
Dec. 20, 2005
Filed:
Jul. 01, 2004
Shuichi Takada, Yokohama, JP;
Nobuyuki Sasaki, Fuchu, JP;
Shuichi Takada, Yokohama, JP;
Nobuyuki Sasaki, Fuchu, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Toshiba Solutions Corporation, Tokyo, JP;
Abstract
A dielectric layer is formed on a first metal layer, the dielectric layer is formed with many concave portions at the upper surface. A second metal layer is formed on the dielectric layer, the second metal layer is formed with a convex portion at a position corresponding to each of many concave portions. A capacitances is generated between the first and second metal layers. The capacitor element is composed of the first metal layer, the dielectric layer and the second metal layer. The first and second metal layers are used as power supply interconnection, the capacitor element is connected between a pair of power supply interconnections. Further, the first metal layer is connected to reference voltage, and the second metal layer is used as a pad electrode. By doing so, a capacitor element is connected between the pad electrode and the reference voltage.