JPS611922U - surface acoustic wave device - Google Patents
surface acoustic wave deviceInfo
- Publication number
- JPS611922U JPS611922U JP8563484U JP8563484U JPS611922U JP S611922 U JPS611922 U JP S611922U JP 8563484 U JP8563484 U JP 8563484U JP 8563484 U JP8563484 U JP 8563484U JP S611922 U JPS611922 U JP S611922U
- Authority
- JP
- Japan
- Prior art keywords
- comb
- acoustic wave
- surface acoustic
- wave device
- 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
【図面の簡単な説明】
第1図は本考案に係る弾性表面波装置であり、2チャン
ネル用SAW共振子の平面図、第2図は2チャンネル用
SAW共振子の電極の設計用データのグラフ、第3図は
1チャンネル用SAW共振子の斜視図で、第4図はその
A−A線断面図である。
1・・・圧電性基板、2・・・櫛形電極、入・・・電極
間ピッチ、1・・・電極間隔、W・・・電極幅。[Brief Description of the Drawings] Fig. 1 shows a surface acoustic wave device according to the present invention, and Fig. 2 is a plan view of a two-channel SAW resonator, and Fig. 2 is a graph of data for designing electrodes of the two-channel SAW resonator. , FIG. 3 is a perspective view of a one-channel SAW resonator, and FIG. 4 is a cross-sectional view taken along line A--A. DESCRIPTION OF SYMBOLS 1... Piezoelectric substrate, 2... Comb-shaped electrode, In... Inter-electrode pitch, 1... Electrode spacing, W... Electrode width.
Claims (1)
形電極からなる複数個の共振子を有し、各櫛形電極の電
極間ピッチを周波数に応じ所定の条件で設定したものに
おいて、電極間隔に対する電極幅の比を各共振子毎にそ
れぞれ異ならせて各櫛形電極を形成したことを特徴とす
る弾性表面波装置。In a device that has a plurality of resonators consisting of thin film comb-shaped electrodes formed on a piezoelectric substrate so that comb teeth interlock with each other, and the pitch between the electrodes of each comb-shaped electrode is set under a predetermined condition according to the frequency, the electrode spacing is 1. A surface acoustic wave device characterized in that each comb-shaped electrode is formed with a different electrode width ratio for each resonator.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8563484U JPS611922U (en) | 1984-06-08 | 1984-06-08 | surface acoustic wave device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8563484U JPS611922U (en) | 1984-06-08 | 1984-06-08 | surface acoustic wave device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS611922U true JPS611922U (en) | 1986-01-08 |
Family
ID=30636206
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8563484U Pending JPS611922U (en) | 1984-06-08 | 1984-06-08 | surface acoustic wave device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS611922U (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63215309A (en) * | 1987-03-03 | 1988-09-07 | Nkk Corp | Manufacturing equipment for seamless steel pipe |
JPS6468113A (en) * | 1987-09-09 | 1989-03-14 | Hiroshi Shimizu | Electrode structure for idt exciting type piezoelectric resonator |
JPH04224619A (en) * | 1990-12-25 | 1992-08-13 | Nhk Spring Co Ltd | Furnace for heat treatment and method for controlling temperature in this furnace |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5958907A (en) * | 1982-09-29 | 1984-04-04 | Hitachi Ltd | Electrode constituting method of surface acoustic wave filter |
JPS5994910A (en) * | 1982-11-19 | 1984-05-31 | Toyo Commun Equip Co Ltd | Frequency fine adjusting method |
-
1984
- 1984-06-08 JP JP8563484U patent/JPS611922U/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5958907A (en) * | 1982-09-29 | 1984-04-04 | Hitachi Ltd | Electrode constituting method of surface acoustic wave filter |
JPS5994910A (en) * | 1982-11-19 | 1984-05-31 | Toyo Commun Equip Co Ltd | Frequency fine adjusting method |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63215309A (en) * | 1987-03-03 | 1988-09-07 | Nkk Corp | Manufacturing equipment for seamless steel pipe |
JPH0569604B2 (en) * | 1987-03-03 | 1993-10-01 | Nippon Kokan Kk | |
JPS6468113A (en) * | 1987-09-09 | 1989-03-14 | Hiroshi Shimizu | Electrode structure for idt exciting type piezoelectric resonator |
JPH04224619A (en) * | 1990-12-25 | 1992-08-13 | Nhk Spring Co Ltd | Furnace for heat treatment and method for controlling temperature in this furnace |
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