JPS5469983A - Thickness-width slip crystal vibrator - Google Patents
Thickness-width slip crystal vibratorInfo
- Publication number
- JPS5469983A JPS5469983A JP13711177A JP13711177A JPS5469983A JP S5469983 A JPS5469983 A JP S5469983A JP 13711177 A JP13711177 A JP 13711177A JP 13711177 A JP13711177 A JP 13711177A JP S5469983 A JPS5469983 A JP S5469983A
- Authority
- JP
- Japan
- Prior art keywords
- thickness
- vibration
- center
- width
- vibrator
- 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.)
- Pending
Links
- 239000013078 crystal Substances 0.000 title abstract 3
- 239000000853 adhesive Substances 0.000 abstract 1
- 238000006073 displacement reaction Methods 0.000 abstract 1
- 230000005284 excitation Effects 0.000 abstract 1
- 230000010287 polarization Effects 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 elements; Electromechanical resonators
- H03H9/15—Constructional features of resonators consisting of piezoelectric or electrostrictive material
- H03H9/17—Constructional features of resonators consisting of piezoelectric or electrostrictive material having a single resonator
- H03H9/177—Constructional features of resonators consisting of piezoelectric or electrostrictive material having a single resonator of the energy-trap type
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
- H03H9/46—Filters
- H03H9/54—Filters comprising resonators of piezoelectric or electrostrictive material
- H03H9/56—Monolithic crystal filters
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
- H03H9/46—Filters
- H03H9/54—Filters comprising resonators of piezoelectric or electrostrictive material
- H03H9/56—Monolithic crystal filters
- H03H9/566—Electric coupling means therefor
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
Abstract
PURPOSE:To make possible excitation of the vibration mode of (1, 1, 1) by improving electrode structure and facilitate supporting of the vibrator by improving its shape. CONSTITUTION:The polarization distribution of the vibration mode of (1, 1, 1) is the same vibration as thickness slip vibration and is such a vibration that its displacement is maxmum at the center of the electric axis direction (X-axis direction) as shown in the figure, becomes gradually smaller from the end part in the direction perpendicular to the electric axis and becomes zero at the center and is of anantiphase in the last half wherein it gradually increases and becomes maximum in the end part. If the length of crystal is let XO, the thickness Y0, and the width ZO, then no distortions occur at all in the plane AB which is neraly the center of ZO and therefore supporting this AB enables the energy loss owing to the support to be eliminated. For example, grooves 9a are provided at both ends of the thickness-width slip crystal vibrator 8 having exciting electrodes 9, 10 and support lead wires 9b are secured in these grooves by means of adhesive agents or the like.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13711177A JPS5469983A (en) | 1977-11-15 | 1977-11-15 | Thickness-width slip crystal vibrator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13711177A JPS5469983A (en) | 1977-11-15 | 1977-11-15 | Thickness-width slip crystal vibrator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5469983A true JPS5469983A (en) | 1979-06-05 |
Family
ID=15191086
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13711177A Pending JPS5469983A (en) | 1977-11-15 | 1977-11-15 | Thickness-width slip crystal vibrator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5469983A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6061834U (en) * | 1983-09-30 | 1985-04-30 | キンセキ株式会社 | contour quartz crystal |
-
1977
- 1977-11-15 JP JP13711177A patent/JPS5469983A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6061834U (en) * | 1983-09-30 | 1985-04-30 | キンセキ株式会社 | contour quartz crystal |
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