JPS63198216U - - Google Patents
Info
- Publication number
- JPS63198216U JPS63198216U JP8840487U JP8840487U JPS63198216U JP S63198216 U JPS63198216 U JP S63198216U JP 8840487 U JP8840487 U JP 8840487U JP 8840487 U JP8840487 U JP 8840487U JP S63198216 U JPS63198216 U JP S63198216U
- Authority
- JP
- Japan
- Prior art keywords
- electrode
- acoustic wave
- surface acoustic
- interdigital electrode
- pair
- 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
- 239000000758 substrate Substances 0.000 claims description 2
- 238000000605 extraction Methods 0.000 claims 2
Landscapes
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
Description
第１図は本考案に係る弾性表面波フイルタの一
実施例を示す平面図である。第２図は従来の弾性
表面波フイルタの平面図である。
１０……基板、１１，１２……すだれ状電極、
１１ａ，１２ａ……フインガ電極、１１ｂ，１２
ｂ……共通電極、１１ｃ，１２ｃ……引出し電極
、１１ｄ，１２ｄ……取出し電極、Ｌ１……フイ
ンガ電極開口長、Ｌ２……引出し電極間隔。
FIG. 1 is a plan view showing an embodiment of a surface acoustic wave filter according to the present invention. FIG. 2 is a plan view of a conventional surface acoustic wave filter. 10... Substrate, 11, 12... Interdigital electrode,
11a, 12a...Finger electrode, 11b, 12
b...Common electrode, 11c, 12c...Extracting electrode, 11d, 12d...Extracting electrode, L1...Finger electrode opening length, L2...Extracting electrode interval.
Claims (1)
電極とを設けてなる弾性表面波フイルタにおいて
、 すだれ状電極のフインガ電極開口長を１０λ（
λ：弾性表面波の波長）以下とし、一対の取出し
電極に接続される一対の引出し電極を前記フイン
ガ電極開口長よりも外側に配置したこと、 を特徴とする弾性表面波フイルタ。[Claims for Utility Model Registration] In a surface acoustic wave filter comprising an input-side interdigital electrode and an output-side interdigital electrode on a substrate, the finger electrode aperture length of the interdigital electrode is 10λ (
λ: wavelength of a surface acoustic wave) or less, and a pair of extraction electrodes connected to the pair of extraction electrodes are arranged outside the finger electrode opening length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8840487U JPS63198216U (en) | 1987-06-08 | 1987-06-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8840487U JPS63198216U (en) | 1987-06-08 | 1987-06-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63198216U true JPS63198216U (en) | 1988-12-20 |
Family
ID=30946484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8840487U Pending JPS63198216U (en) | 1987-06-08 | 1987-06-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63198216U (en) |
-
1987
- 1987-06-08 JP JP8840487U patent/JPS63198216U/ja active Pending