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:
Apr. 27, 2021
Filed:
Oct. 30, 2019
Murata Manufacturing Co., Ltd., Nagaokakyo, JP;
Hiroshi Nakagawa, Nagaokakyo, JP;
Tomoyuki Ashimine, Nagaokakyo, JP;
Yasuhiro Murase, Nagaokakyo, JP;
MURATA MANUFACTURING CO., LTD., Nagaokakyo, JP;
Abstract
A capacitor is provided that includes a base having a first main surface and a second main surface opposing each other with a trench formed on a side of the first main surface (A. Moreover, a dielectric film is disposed in a region that includes an inside of the trench on the side of the first main surface of the base; a conductor film is provided that includes a first conductor layer disposed on the dielectric film, which is the region including the inside of the trench and a second conductor layer disposed on the first conductor layer; and a stress relieving portion is provided in contact with at least a part of the end of the first conductor layer. Moreover, a thickness of the stress relieving portion is smaller than a thickness of the conductor film, outside the trench portion of the first main surface of the base.