JPS61199926U - - Google Patents
Info
- Publication number
- JPS61199926U JPS61199926U JP8445085U JP8445085U JPS61199926U JP S61199926 U JPS61199926 U JP S61199926U JP 8445085 U JP8445085 U JP 8445085U JP 8445085 U JP8445085 U JP 8445085U JP S61199926 U JPS61199926 U JP S61199926U
- Authority
- JP
- Japan
- Prior art keywords
- bus bar
- reflector
- electrode
- finger
- acoustic wave
- 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
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 1
Landscapes
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
Description
第１図、第２図、第３図および第４図は夫々本
考案に係る表面波装置のリフレクタの実施例の一
部破断平面図、第５図は表面波共振子の電極構造
を示す平面図、第６図はリフレクタの形成方法を
示す説明図、第７図および第８図は夫々従来のリ
フレクタの形成時に発生する抜け残りおよびアー
ルの説明図、第９図は片側のバスバーを除去した
従来のリフレクタの一部破断平面図である。
１……表面波基板、２……インターデイジタル
電極、８……抜け残り、１１，１１′，１１″…
…リフレクタ、１２……シヨート電極、１３，１
４……バスバー、１３ａ，１４ａ……ダミー電極
、２１……リフレクタ、ｇ１……ギヤツプ、ｇ１
，ｇ２……間隙、Ｒ……アール。
1, 2, 3, and 4 are partially cutaway plan views of embodiments of the reflector of the surface acoustic wave device according to the present invention, and FIG. 5 is a plan view showing the electrode structure of the surface acoustic wave resonator. Figures 6 and 6 are explanatory diagrams showing the method of forming a reflector, Figures 7 and 8 are respectively explanatory diagrams of residual holes and radiuses that occur when forming conventional reflectors, and Figure 9 is an explanatory diagram showing the method of forming a reflector. Figure 9 is an explanatory diagram showing the method of forming a reflector. FIG. 2 is a partially cutaway plan view of a conventional reflector. 1...Surface wave substrate, 2...Interdigital electrode, 8...Remaining material, 11, 11', 11''...
...Reflector, 12...Short electrode, 13,1
4...Bus bar, 13a, 14a...Dummy electrode, 21...Reflector, g 1 ...Gap, g 1
, g 2 ... gap, R ... R.
Claims (1)
板上に形成された表面波を反射するシヨート型の
リフレクタであつて、表面波の伝播路に沿つてそ
の両側にほゞ平行に配置されるとともに相互に短
絡された一対のバスバーを有し、上記表面波の伝
播路を横断して一方のバスバーから他方のバスバ
ーに向つてフインガー電極が突出するとともに、
他方のバスバーから一方のバスバーに向かつてフ
インガー電極が突出しており、各フインガー電極
の先端とバスバーとの間に間隙が形成されている
ことを特徴とする表面波装置のリフレクタ。 (2) 上記各フインガー電極の先端は、バスバー
から突出するダミー電極と対向していることを特
徴とする実用新案登録請求の範囲第１項記載の表
面波装置のリフレクタ。[Claims for Utility Model Registration] (1) A short reflector that reflects surface waves formed on a surface wave substrate together with an interdigital electrode, which is approximately parallel to both sides along the propagation path of the surface waves. a pair of busbars arranged in the same direction and short-circuited to each other, with finger electrodes protruding from one busbar toward the other busbar across the propagation path of the surface waves;
A reflector for a surface acoustic wave device, characterized in that finger electrodes protrude from the other bus bar toward one bus bar, and a gap is formed between the tip of each finger electrode and the bus bar. (2) The reflector for a surface acoustic wave device according to claim 1, wherein the tip of each finger electrode faces a dummy electrode protruding from the bus bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8445085U JPS61199926U (en) | 1985-06-03 | 1985-06-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8445085U JPS61199926U (en) | 1985-06-03 | 1985-06-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61199926U true JPS61199926U (en) | 1986-12-15 |
Family
ID=30633975
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8445085U Pending JPS61199926U (en) | 1985-06-03 | 1985-06-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61199926U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1996010293A1 (en) * | 1994-09-29 | 1996-04-04 | Seiko Epson Corporation | Saw device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5887908A (en) * | 1981-11-20 | 1983-05-25 | Hitachi Ltd | Electrode construction of surface acoustic wave filter |
-
1985
- 1985-06-03 JP JP8445085U patent/JPS61199926U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5887908A (en) * | 1981-11-20 | 1983-05-25 | Hitachi Ltd | Electrode construction of surface acoustic wave filter |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1996010293A1 (en) * | 1994-09-29 | 1996-04-04 | Seiko Epson Corporation | Saw device |
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