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:
Sep. 23, 2003
Filed:
Sep. 21, 2001
Fujitsu Limited, Kawasaki, JP;
Abstract
A capacitor comprises a first conducting film formed on a substrate , a first dielectric film formed on the first conducting film, a second conducting film formed on the first dielectric film, a second dielectric film formed above the second conducting film, covering the edge of the second conducting film, a third conducting film formed above the second dielectric film, covering a part of the second dielectric film covering the edge of the second conducting film. The capacitor further comprises an insulation film covering the edge of the second conducing film or the part of the second dielectric film. An effective thickness of the insulation film between the second conducting film and the third conducing film in the region near the edge of the second conducting film can be increased, whereby concentration of electric fields in the region near the edge of the second conducting film. Consequently, the capacitor can have large capacitance without lowering voltage resistance.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile