JPS5850729U - surface acoustic wave filter - Google Patents
surface acoustic wave filterInfo
- Publication number
- JPS5850729U JPS5850729U JP13827781U JP13827781U JPS5850729U JP S5850729 U JPS5850729 U JP S5850729U JP 13827781 U JP13827781 U JP 13827781U JP 13827781 U JP13827781 U JP 13827781U JP S5850729 U JPS5850729 U JP S5850729U
- Authority
- JP
- Japan
- Prior art keywords
- acoustic wave
- surface acoustic
- wave filter
- piezoelectric substrate
- shielding plate
- 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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来の弾性表面波フィルタを示す平面図、第２
図は本考案の弾性表面波フィルタの一実施例を示す平面
図、第３薗は第２図に示す弾性表面波フィルタのＣ−０
間を示す縦断面図、第４図は従来の弾性表面波フィルタ
と本考案の弾性表面波フィルタが示すフィルタ特性図で
ある。
１・・・・・・圧電基板、２９．３・・・・・・すだれ
状電極、５・・・・・・圧電基板表面、８・・・・・・
接着剤、７・・・・・・電磁遮蔽板、９・・・・・・ス
テム。Figure 1 is a plan view showing a conventional surface acoustic wave filter, Figure 2 is a plan view showing a conventional surface acoustic wave filter.
The figure is a plan view showing one embodiment of the surface acoustic wave filter of the present invention, and the third column is C-0 of the surface acoustic wave filter shown in FIG.
FIG. 4 is a longitudinal cross-sectional view showing the distance between the two, and FIG. 4 is a filter characteristic diagram of a conventional surface acoustic wave filter and a surface acoustic wave filter of the present invention. 1... Piezoelectric substrate, 29.3... Interdigital electrode, 5... Piezoelectric substrate surface, 8...
Adhesive, 7... Electromagnetic shielding plate, 9... Stem.
Claims (1)
表面波フィルタにおいて、前記すだれ状電極上を電磁遮
蔽板で覆ってなることを特徴とする弾性表面波フィルタ
。 ２ 電磁遮蔽板が、すだれ状電極間の弾性表面波伝播路
以外の圧電基板上に固定されてなるこ七を特徴とする実
用新案登録請求の範囲第１項記載の弾性表面波フィルタ
。[Claims for Utility Model Registration] 1. A surface acoustic wave filter comprising a piezoelectric substrate and a set of interdigitated electrodes formed close to each other, characterized in that the interdigitated electrodes are covered with an electromagnetic shielding plate. . 2. The surface acoustic wave filter according to claim 1, wherein the electromagnetic shielding plate is fixed on a piezoelectric substrate other than the surface acoustic wave propagation path between the interdigital electrodes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13827781U JPS5850729U (en) | 1981-09-19 | 1981-09-19 | surface acoustic wave filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13827781U JPS5850729U (en) | 1981-09-19 | 1981-09-19 | surface acoustic wave filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5850729U true JPS5850729U (en) | 1983-04-06 |
Family
ID=29931506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13827781U Pending JPS5850729U (en) | 1981-09-19 | 1981-09-19 | surface acoustic wave filter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5850729U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH068936A (en) * | 1992-06-25 | 1994-01-18 | Asahi Chem Ind Co Ltd | Storage box for wrapping film |
-
1981
- 1981-09-19 JP JP13827781U patent/JPS5850729U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH068936A (en) * | 1992-06-25 | 1994-01-18 | Asahi Chem Ind Co Ltd | Storage box for wrapping film |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS5850729U (en) | surface acoustic wave filter | |
| JPS5840928U (en) | surface acoustic wave filter | |
| JPS60172427U (en) | surface wave device | |
| JPS60153026U (en) | filter bank | |
| JPS611922U (en) | surface acoustic wave device | |
| JPS58158527U (en) | surface wave filter | |
| JPS6011032U (en) | liquid sensor | |
| JPS60119200U (en) | piezoelectric sounding body | |
| JPS59152821U (en) | surface acoustic wave device | |
| JPS6011528U (en) | piezoelectric resonator | |
| JPS6129531U (en) | surface acoustic wave device | |
| JPS5959030U (en) | surface wave device | |
| JPS60192525U (en) | surface wave device | |
| JPS5888424U (en) | Surface wave thin film interdigital transducer | |
| JPS58155129U (en) | Chip type piezoelectric vibrating parts | |
| JPS5889924U (en) | electronic components | |
| JPS5976131U (en) | Surface acoustic wave “ro” wave device | |
| JPS59157330U (en) | piezoelectric resonator | |
| JPS5877921U (en) | surface acoustic wave device | |
| JPS5888425U (en) | Surface wave thin film interdigital transducer | |
| JPS5967029U (en) | surface acoustic wave device | |
| JPS6030632U (en) | surface wave filter | |
| JPS6059624U (en) | surface acoustic wave device | |
| JPS60174327U (en) | surface wave filter | |
| JPS58155131U (en) | surface acoustic wave device |