JPS57183116A - Piezoelectric oscillator - Google Patents
Piezoelectric oscillatorInfo
- Publication number
- JPS57183116A JPS57183116A JP6875481A JP6875481A JPS57183116A JP S57183116 A JPS57183116 A JP S57183116A JP 6875481 A JP6875481 A JP 6875481A JP 6875481 A JP6875481 A JP 6875481A JP S57183116 A JPS57183116 A JP S57183116A
- Authority
- JP
- Japan
- Prior art keywords
- oscillator
- oscillation mode
- size
- mode
- piezoelectric oscillator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000010355 oscillation Effects 0.000 abstract 5
- 239000010408 film Substances 0.000 abstract 1
- 239000010409 thin film Substances 0.000 abstract 1
- 238000007740 vapor deposition Methods 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/15—Constructional features of resonators consisting of piezoelectric or electrostrictive material
- H03H9/21—Crystal tuning forks
Landscapes
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
Abstract
PURPOSE:To obtain the relatively-flat temperature characteristics of a resonance frequency approximately at the normal temperature by setting the size of an E type oscillator so that longitudinal length oscillation mode and out-surface flection oscillation mode are coupled mutually. CONSTITUTION:When the plate thickness size of the oscillating branches of a piezoelectric oscillator 11 formed in an E shape is (t) and its length size is (l), t/l is so set that oscillation occurs in the mixed oscilation mode of primary oscillation mode and out-surface flection quintic oscillation mode. Metallic thin- film electrodes 6 and 7 are stuck on the surfaces of the oscillating branches 1, 2 and 3 of the piezoelectric oscillator 11 by vapor deposition, and a metallic film 8 is stuck atop as an additional mass for frequency fine afjustment. Then, a voltage having a frequency equal to the resonance frequency of the oscillator 11 is applied between terminals 9 and 10 to allow the oscillator to oscillate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6875481A JPS57183116A (en) | 1981-05-07 | 1981-05-07 | Piezoelectric oscillator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6875481A JPS57183116A (en) | 1981-05-07 | 1981-05-07 | Piezoelectric oscillator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57183116A true JPS57183116A (en) | 1982-11-11 |
| JPH0150133B2 JPH0150133B2 (en) | 1989-10-27 |
Family
ID=13382858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6875481A Granted JPS57183116A (en) | 1981-05-07 | 1981-05-07 | Piezoelectric oscillator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57183116A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008043727A1 (en) * | 2006-10-09 | 2008-04-17 | Csem Centre Suisse D'electronique Et De Microtechnique Sa Recherche Et Développement | Silicon resonator of the tuning-fork type |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002118441A (en) * | 2000-10-10 | 2002-04-19 | Citizen Watch Co Ltd | Torsional vibrator |
-
1981
- 1981-05-07 JP JP6875481A patent/JPS57183116A/en active Granted
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008043727A1 (en) * | 2006-10-09 | 2008-04-17 | Csem Centre Suisse D'electronique Et De Microtechnique Sa Recherche Et Développement | Silicon resonator of the tuning-fork type |
| US8098002B2 (en) | 2006-10-09 | 2012-01-17 | Csem Centre Suisse D'electronique Et De Microtechnique Sa Recherche Et Developpement | Silicon resonator of the tuning-fork type |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0150133B2 (en) | 1989-10-27 |
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