JPH01115325U - - Google Patents
Info
- Publication number
- JPH01115325U JPH01115325U JP1017588U JP1017588U JPH01115325U JP H01115325 U JPH01115325 U JP H01115325U JP 1017588 U JP1017588 U JP 1017588U JP 1017588 U JP1017588 U JP 1017588U JP H01115325 U JPH01115325 U JP H01115325U
- Authority
- JP
- Japan
- Prior art keywords
- piezoelectric plate
- electrode film
- excitation electrode
- fixing part
- center
- 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
- 230000005284 excitation Effects 0.000 claims description 7
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
Landscapes
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
Description
第１図ａ及びｂはそれぞれ本考案の第１の実施
例の平面図及びＡ―Ａ′線断面図、第２図は本考
案の第２の実施例の平面図、第３図ａ及びｂはそ
れぞれ従来の圧電振動子の一例の平面図及びＢ―
Ｂ′線断面図である。
１，１ａ，１ｂ……圧電板、２ａ，２ｂ，２ｃ
，２ｄ，２ｅ，２ｆ……励起用電極膜、３ａ，３
ｂ，３ｃ，３ｄ，３ｅ，３ｆ……固定部、４ａ，
４ｂ，４ｃ，４ｄ……溝、５ａ，５ｂ，５ｃ，５
ｄ，５ｅ，５ｆ……サポータ、６……導電性接着
剤。
Figures 1a and b are a plan view and a sectional view taken along the line A-A' of the first embodiment of the present invention, Figure 2 is a plan view of the second embodiment of the present invention, and Figures 3a and b are a plan view and B of an example of a conventional piezoelectric vibrator, respectively.
It is a sectional view taken along the line B'. 1, 1a, 1b...piezoelectric plate, 2a, 2b, 2c
, 2d, 2e, 2f...excitation electrode film, 3a, 3
b, 3c, 3d, 3e, 3f... fixed part, 4a,
4b, 4c, 4d... groove, 5a, 5b, 5c, 5
d, 5e, 5f...supporter, 6...conductive adhesive.
Claims (1)
れの頂部を第１の固定部と第２の固定部とする板
状の圧電板と、該圧電板の一方の面上の前記第１
の固定部から前記圧電板の中央部に形成される第
１の励起用電極膜と、前記圧電板の前記一方の面
に対向する他方の面上の前記第２の固定部から前
記圧電板の中央部に形成される第２の励起用電極
膜と、前記第１の励起用電極膜と前記第２の固定
部との間の前記圧電板上に前記中心線と平行に設
けられる第１の溝と、前記第２の励起用電極膜と
前記第１の固定部との間の前記圧電板上に前記中
心線と平行に設けられる第２の溝とを含むことを
特徴とする圧電振動子。 a plate-shaped piezoelectric plate having a symmetrical shape with respect to a center line and having the tops of the symmetrical shape as a first fixing part and a second fixing part; and the first fixing part on one surface of the piezoelectric plate.
A first excitation electrode film formed on the center part of the piezoelectric plate from a fixed part of the piezoelectric plate, and a first excitation electrode film formed on the center part of the piezoelectric plate from the second fixed part on the other surface opposite to the one surface of the piezoelectric plate. a second excitation electrode film formed in the center; and a first excitation electrode film provided parallel to the center line on the piezoelectric plate between the first excitation electrode film and the second fixing part. A piezoelectric vibrator comprising: a groove; and a second groove provided on the piezoelectric plate between the second excitation electrode film and the first fixing part in parallel to the center line. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1017588U JPH01115325U (en) | 1988-01-27 | 1988-01-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1017588U JPH01115325U (en) | 1988-01-27 | 1988-01-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01115325U true JPH01115325U (en) | 1989-08-03 |
Family
ID=31217597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1017588U Pending JPH01115325U (en) | 1988-01-27 | 1988-01-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01115325U (en) |
-
1988
- 1988-01-27 JP JP1017588U patent/JPH01115325U/ja active Pending