JPH02145813U - - Google Patents
Info
- Publication number
- JPH02145813U JPH02145813U JP5550889U JP5550889U JPH02145813U JP H02145813 U JPH02145813 U JP H02145813U JP 5550889 U JP5550889 U JP 5550889U JP 5550889 U JP5550889 U JP 5550889U JP H02145813 U JPH02145813 U JP H02145813U
- Authority
- JP
- Japan
- Prior art keywords
- surface acoustic
- acoustic wave
- reflector
- length
- conversion
- 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
- 238000010897 surface acoustic wave method Methods 0.000 claims description 6
- 239000000758 substrate Substances 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 claims 2
- 239000000463 material Substances 0.000 claims 1
- 238000005192 partition Methods 0.000 description 1
Landscapes
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
Description
第1図は本考案による一実施例の正面図。第2
図は反射器の振動を模式的に示す斜視図。第3図
は本考案による第2の実施例の正面図。第4図は
本考案による第3の実施例の正面図。第5図は従
来技術による素子の正面図。
1……電極部、2……反射器、3……圧電性基
板、4……格子状反射器、5……振動しない部分
(電極部より長い部分)、6……振動する部分(
電極部と同じ長さの部分)、7……仕切りバー、
8……弾性表面波の伝播方向。
FIG. 1 is a front view of one embodiment of the present invention. Second
The figure is a perspective view schematically showing the vibration of the reflector. FIG. 3 is a front view of a second embodiment of the present invention. FIG. 4 is a front view of the third embodiment of the present invention. FIG. 5 is a front view of a device according to the prior art. 1... Electrode section, 2... Reflector, 3... Piezoelectric substrate, 4... Grid reflector, 5... Non-vibrating part (portion longer than the electrode part), 6... Vibrating part (
part of the same length as the electrode part), 7... partition bar,
8...Propagation direction of surface acoustic waves.
Claims (1)
波に変換するとともに、該変換の逆の変換を行な
う電極部と、前記弾性表面波を反射する反射器と
を具備する弾性表面波素子において、前記弾性表
面波の伝播方向に垂直な方向について、前記反射
器の長さが、前記電極部の長さより長いことを特
徴とする弾性表面波素子。 A surface acoustic wave element comprising, on a substrate made of a piezoelectric material, an electrode part that converts an electric signal into a surface acoustic wave and performs the inverse conversion of the conversion, and a reflector that reflects the surface acoustic wave, A surface acoustic wave element, wherein the length of the reflector is longer than the length of the electrode portion in a direction perpendicular to the propagation direction of the surface acoustic wave.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5550889U JPH02145813U (en) | 1989-05-15 | 1989-05-15 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5550889U JPH02145813U (en) | 1989-05-15 | 1989-05-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH02145813U true JPH02145813U (en) | 1990-12-11 |
Family
ID=31578523
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5550889U Pending JPH02145813U (en) | 1989-05-15 | 1989-05-15 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH02145813U (en) |
-
1989
- 1989-05-15 JP JP5550889U patent/JPH02145813U/ja active Pending