Tuning-fork type piezoelectric resonator plate comprising leg portions and a bonding portion respectively provided on first and second end faces of a base portion
US8400048B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 18, 2009 |
| Grant date | Mar 19, 2013 |
| Priority date | — |
| Expiry date | Nov 28, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03H9/21
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A tuning-fork type piezoelectric resonator plate includes: at least a plurality of leg portions serving as vibrating portions; a bonding portion bonded to the outside, and a base portion from which the leg portions and the bonding portion protrude. The plurality of leg portions protrude from a first end face of the base portion and are provided side-by-side on the first end face. The bonding portion protrude from a second end face located opposite the first end face of the base portion at a position located opposite a center position of the plurality of leg portions in a width direction of the first end face of the base portion. And, at least a base end portion of the bonding portion is used as a bond region that is bonded to the outside.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.