JPH0453319U - - Google Patents
Info
- Publication number
- JPH0453319U JPH0453319U JP9618090U JP9618090U JPH0453319U JP H0453319 U JPH0453319 U JP H0453319U JP 9618090 U JP9618090 U JP 9618090U JP 9618090 U JP9618090 U JP 9618090U JP H0453319 U JPH0453319 U JP H0453319U
- Authority
- JP
- Japan
- Prior art keywords
- acoustic wave
- surface acoustic
- wave filter
- electrode fingers
- interdigital electrodes
- 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 3
- 239000000758 substrate Substances 0.000 claims 1
Description
第１図は本考案の一実施例の平面図、第２図は
従来の弾性表面波フイルタの平面図である。
１〜４……交叉指状電極。
FIG. 1 is a plan view of an embodiment of the present invention, and FIG. 2 is a plan view of a conventional surface acoustic wave filter. 1 to 4...Cross-finger electrodes.
Claims (1)
有する弾性表面波フイルタにおいて、前記交叉指
状電極の最外側の電極指のパターン幅をこれ以外
の内側の電極指よりも５０〜１００％だけ外側へ
広く形成したことを特徴とする弾性表面波フイル
タ。 In a surface acoustic wave filter having a configuration in which interdigital electrodes are formed on a piezoelectric substrate, the pattern width of the outermost electrode fingers of the interdigital electrodes is 50 to 100% smaller than that of the other inner electrode fingers. A surface acoustic wave filter that is characterized by being formed widely outward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9618090U JPH0453319U (en) | 1990-09-13 | 1990-09-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9618090U JPH0453319U (en) | 1990-09-13 | 1990-09-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0453319U true JPH0453319U (en) | 1992-05-07 |
Family
ID=31835496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9618090U Pending JPH0453319U (en) | 1990-09-13 | 1990-09-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0453319U (en) |
-
1990
- 1990-09-13 JP JP9618090U patent/JPH0453319U/ja active Pending
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