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:
Nov. 08, 2022
Filed:
Sep. 29, 2020
Murata Manufacturing Co., Ltd., Nagaokakyo, JP;
Ryohei Hamazaki, Nagaokakyo, JP;
Daiki Tsuji, Nagaokakyo, JP;
MURATA MANUFACTURING CO., LTD., Kyoto, JP;
Abstract
A pressure detection element includes a substrate, first and second electrodes on the substrate, a membrane including a first diaphragm portion and a second diaphragm portion and spaced from the substrate, and a spacer between the substrate and the membrane to define a first space in which the first electrode and the first diaphragm portion are spaced from and opposed to each other and a second space in which the second electrode and the second diaphragm portion are spaced from and opposed to each other. The substrate includes a trench in a portion positioned between the first diaphragm portion and the second diaphragm portion when viewed in a direction in which the substrate and the membrane are opposed.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile