JPH0316732U - - Google Patents
Info
- Publication number
- JPH0316732U JPH0316732U JP7716289U JP7716289U JPH0316732U JP H0316732 U JPH0316732 U JP H0316732U JP 7716289 U JP7716289 U JP 7716289U JP 7716289 U JP7716289 U JP 7716289U JP H0316732 U JPH0316732 U JP H0316732U
- Authority
- JP
- Japan
- Prior art keywords
- piezoelectric body
- main surface
- interdigital transducers
- acoustic wave
- wave filter
- 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 4
- 239000011358 absorbing material Substances 0.000 claims description 2
- 239000000758 substrate Substances 0.000 description 1
Description
第１図はこの考案の一実施例を示す平面図であ
る。第２図は第１図に示す弾性表面波フイルタの
タイムドメインを示すグラフである。第３図はこ
の考案の背景となる従来の弾性表面波フイルタの
一例を示す平面図である。
図において、１０……弾性表面波フイルタ、１
２……圧電体基板、１４および１６……インタデ
イジタルトランスデユーサ、１８……第１の吸音
材を示す。
FIG. 1 is a plan view showing an embodiment of this invention. FIG. 2 is a graph showing the time domain of the surface acoustic wave filter shown in FIG. FIG. 3 is a plan view showing an example of a conventional surface acoustic wave filter, which is the background of this invention. In the figure, 10...Surface acoustic wave filter, 1
2... piezoelectric substrate, 14 and 16... interdigital transducer, 18... first sound absorbing material.
Claims (1)
デイジタルトランスデユーサ、および 前記圧電体の主面上において前記２つのインタ
デイジタルトランスデユーサの間に形成される吸
音材を含む、弾性表面波フイルタ。[Claims for Utility Model Registration] A piezoelectric body, two interdigital transducers formed on the main surface of the piezoelectric body, and between the two interdigital transducers on the main surface of the piezoelectric body. A surface acoustic wave filter including a formed sound absorbing material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7716289U JPH0316732U (en) | 1989-06-29 | 1989-06-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7716289U JPH0316732U (en) | 1989-06-29 | 1989-06-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0316732U true JPH0316732U (en) | 1991-02-19 |
Family
ID=31619290
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7716289U Pending JPH0316732U (en) | 1989-06-29 | 1989-06-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0316732U (en) |
-
1989
- 1989-06-29 JP JP7716289U patent/JPH0316732U/ja active Pending
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