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.

Date of Patent:
Oct. 18, 2022

Filed:

Oct. 08, 2020
Applicant:

Murata Manufacturing Co., Ltd., Nagaokakyo, JP;

Inventors:

Hiroshi Nakagawa, Nagaokakyo, JP;

Tomoyuki Ashimine, Nagaokakyo, JP;

Yasuhiro Murase, Nagaokakyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 29/76 (2006.01); H01L 27/108 (2006.01); H01G 4/33 (2006.01); H01G 4/018 (2006.01);
U.S. Cl.
CPC ...
H01G 4/33 (2013.01); H01G 4/018 (2013.01); H01L 27/10829 (2013.01);
Abstract

A capacitor that includes a substrate, a dielectric portion, and a conductor layer. The dielectric portion includes a thick film portion and a thin film portion. The thick film portion has a thickness larger than the average thickness of the dielectric portion in a direction perpendicular to the first main surface. The thin film portion has a thickness smaller than the average thickness of the dielectric portion in the direction perpendicular to the first main surface. The thick film portion has a larger relative permittivity than the thin film portion.


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