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. 09, 2025
Filed:
Mar. 03, 2022
Seiko Epson Corporation, Tokyo, JP;
Koji Kitahara, Ina, JP;
SEIKO EPSON CORPORATION, , JP;
Abstract
A vibration device includes a base having a first surface and a second surface that is in a front-back relationship with the first surface, a vibrator disposed at the first surface, and a lid having a first recess that opens toward the first surface, a third surface that is the bottom surface of the first recess, and a fourth surface that is in a front-back relationship with the third surface, the lid being so bonded to the first surface that the vibrator is encapsulated in the first recess, and the lid has a second recess that is part of the third surface recessed toward the fourth surface and includes a diaphragm formed of the bottom surface of second recess and the fourth surface.