JPS60174327U - surface wave filter - Google Patents
surface wave filterInfo
- Publication number
- JPS60174327U JPS60174327U JP6347084U JP6347084U JPS60174327U JP S60174327 U JPS60174327 U JP S60174327U JP 6347084 U JP6347084 U JP 6347084U JP 6347084 U JP6347084 U JP 6347084U JP S60174327 U JPS60174327 U JP S60174327U
- Authority
- JP
- Japan
- Prior art keywords
- wave filter
- surface wave
- electrode
- side interdigital
- interdigital electrode
- 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
Landscapes
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図および第２図は夫々本考案に係る表面波装置の無
アルカリガラスの一方および他方の主表面の平面図、第
３図および第４図は夫々本考案に係る表面波フィルタお
よび従来の表面波フィルタのフィルタ特性図、第５図お
よび第６図は夫々従来の表面波フィルタの説明図である
。
１１・・・・・・無アルカリガラス基板、１２・・・・
・・入力側インターディジタル電極、１３・・・・・・
出力側インターディジタル電極、１８・・・・・・圧電
薄膜、２３・・・・・・シールド電極、２４・・・・・
・リード端子、２５・・・・・・半田型。1 and 2 are plan views of one and the other main surfaces of the alkali-free glass of the surface acoustic wave device according to the present invention, respectively, and FIGS. 3 and 4 are plan views of the surface wave filter according to the present invention and the conventional surface wave filter, respectively. The filter characteristic diagrams of the surface wave filter, FIGS. 5 and 6, are explanatory diagrams of conventional surface wave filters, respectively. 11... Alkali-free glass substrate, 12...
...Input side interdigital electrode, 13...
Output side interdigital electrode, 18... Piezoelectric thin film, 23... Shield electrode, 24...
・Lead terminal, 25...Solder type.
Claims (1)
ィジタル電極を形成した基板と該電極を静電シールドす
るために基板裏面に形成したシールド電極を備えてなる
表面波フィルタにおいて、上記シールド電極には入力側
インターディジタル電極と出力側インターディジタル電
極からほぼ等距離の位置にリード端子が半田付けされて
いることを特徴とする表面波フィルタ。In a surface wave filter comprising a substrate on which an input-side interdigital electrode and an output-side interdigital electrode are formed, and a shield electrode formed on the back surface of the substrate for electrostatic shielding of the electrodes, the shield electrode has an input-side interdigital electrode. A surface wave filter characterized in that a lead terminal is soldered at a position approximately equidistant from the electrode and the output side interdigital electrode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6347084U JPS60174327U (en) | 1984-04-27 | 1984-04-27 | surface wave filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6347084U JPS60174327U (en) | 1984-04-27 | 1984-04-27 | surface wave filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60174327U true JPS60174327U (en) | 1985-11-19 |
Family
ID=30593645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6347084U Pending JPS60174327U (en) | 1984-04-27 | 1984-04-27 | surface wave filter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60174327U (en) |
-
1984
- 1984-04-27 JP JP6347084U patent/JPS60174327U/en active Pending
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