QUARTZ-CRYSTAL VIBRATING PIECE, CRYSTAL UNIT, CRYSTAL CONTROLLED OSCILLATOR, AND INTERMEDIATE WAFER FOR QUARTZ-CRYSTAL VIBRATING PIECE
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
Sep 12, 2024
app pub date -
Feb 28, 2024
filing date -
Mar 9, 2023
priority date (Note) -
Published
status (Latency Note)
Importance
Abstract
A quartz-crystal vibrating piece includes an element unit, excitation electrodes, and an extraction electrode. The element unit includes a vibrator, a first thick portion, and second thick portions. The vibrator has a quadrilateral shape in plan view, vibrates in a thickness-shear mode, and has a thickness t1. The first thick portion has a rectangular shape in plan view, has a short side connected to one side of the vibrator, extends in a first direction, and has a thickness t2 thicker than the thickness t1. The second thick portions are connected to both side surfaces of an end portion of the first thick portion in an opposite side of the vibrator. Each of the second thick portions extends along a second direction intersecting with the first direction and having a thickness t3 thicker than the thickness t1 and same as or different from the thickness t2.
First Claim
Family
International Classification(s)
- [Classification Symbol]
- [Patents Count]
Cited Art Landscape
Patent Citation Ranking
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully