JPH0443021U - - Google Patents
Info
- Publication number
- JPH0443021U JPH0443021U JP8333890U JP8333890U JPH0443021U JP H0443021 U JPH0443021 U JP H0443021U JP 8333890 U JP8333890 U JP 8333890U JP 8333890 U JP8333890 U JP 8333890U JP H0443021 U JPH0443021 U JP H0443021U
- Authority
- JP
- Japan
- Prior art keywords
- piezoelectric substrate
- substrate
- spacer
- electrodes
- acoustic wave
- 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
- 239000000758 substrate Substances 0.000 claims description 13
- 125000006850 spacer group Chemical group 0.000 claims description 4
- 238000010897 surface acoustic wave method Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims 1
- 230000005284 excitation Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
Description
第１図イは本考案の表面弾性波素子の一実施例
を示す構成図、ロ図はイ図のｘ−ｘ断面図である
。
１……圧電体基板、２……スペーサ、３……絶
縁基板、４，５……電極、６，８……リード線、
７……信号源、９……負荷。
FIG. 1A is a block diagram showing an embodiment of the surface acoustic wave device of the present invention, and FIG. 1... Piezoelectric substrate, 2... Spacer, 3... Insulating substrate, 4, 5... Electrode, 6, 8... Lead wire,
7...Signal source, 9...Load.
Claims (1)
のスペーサが形成された圧電体基板と、この圧電
体基板のスペーサ上に設置され前記圧電体基板と
対向する面に表面弾性波励振動用と信号検出用の
電極がそれぞれ形成された絶縁基板とを備え、前
記絶縁基板を前記圧電体基板の中心を回転中心と
して前記圧電体基板のスペーサ上を回転させるこ
とにより、前記絶縁基板に形成された電極の向き
を前記圧電体基板に対して微小に変化させて周波
数の微調整を行うようにしたことを特徴とする表
面弾性波素子。 A piezoelectric substrate in which a ring-shaped spacer with a constant height is formed on the outer periphery of one side of a circular flat plate, and a piezoelectric substrate for surface acoustic wave excitation vibration installed on the spacer of the piezoelectric substrate and on the surface facing the piezoelectric substrate. and an insulating substrate on which electrodes for signal detection are formed, respectively, and by rotating the insulating substrate on a spacer of the piezoelectric substrate about the center of the piezoelectric substrate, the electrodes are formed on the insulating substrate. 1. A surface acoustic wave device, characterized in that the frequency is finely adjusted by slightly changing the orientation of the piezoelectric substrate with respect to the piezoelectric substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8333890U JPH0443021U (en) | 1990-08-07 | 1990-08-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8333890U JPH0443021U (en) | 1990-08-07 | 1990-08-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0443021U true JPH0443021U (en) | 1992-04-13 |
Family
ID=31630924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8333890U Pending JPH0443021U (en) | 1990-08-07 | 1990-08-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0443021U (en) |
-
1990
- 1990-08-07 JP JP8333890U patent/JPH0443021U/ja active Pending
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