JPS6423131U - - Google Patents
Info
- Publication number
- JPS6423131U JPS6423131U JP11897087U JP11897087U JPS6423131U JP S6423131 U JPS6423131 U JP S6423131U JP 11897087 U JP11897087 U JP 11897087U JP 11897087 U JP11897087 U JP 11897087U JP S6423131 U JPS6423131 U JP S6423131U
- Authority
- JP
- Japan
- Prior art keywords
- acoustic wave
- surface acoustic
- metal strips
- piezoelectric substrate
- length
- 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.)
- Granted
Links
- 238000010897 surface acoustic wave method Methods 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 4
- 239000000758 substrate Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
Description
第１図はこの考案の一実施例による弾性表面波
反射器を示す図、第２図は従来の弾性表面波反射
器を示す図、第３図は弾性表面波反射器を用いた
２端子対共振器を示す図である。１は圧電体基板
、２，２ａ，２ｂは金属ストリツプ、３は弾性表
面波反射器、４はすだれ状電極、５はリード線で
ある。なお、図中、同一符号は同一、又は相当部
分を示す。
Fig. 1 shows a surface acoustic wave reflector according to an embodiment of the invention, Fig. 2 shows a conventional surface acoustic wave reflector, and Fig. 3 shows a two-terminal pair using a surface acoustic wave reflector. FIG. 3 is a diagram showing a resonator. 1 is a piezoelectric substrate; 2, 2a, and 2b are metal strips; 3 is a surface acoustic wave reflector; 4 is an interdigital electrode; and 5 is a lead wire. In addition, in the figures, the same reference numerals indicate the same or equivalent parts.
Claims (1)
属ストリツプ２ａと電気的に開放された金属スト
リツプ２ｂとを平行に配列することとし、配列の
本数又は長さを圧電体基板１上の場所に応じて変
化させるようにしたことを特徴とする弾性表面波
反射器。 (2) 配列の本数又は長さは弾性表面波の入射方
向に対して変化することを特徴とする実用新案登
録請求の範囲第１項記載の弾性表面波反射器。[Claims for Utility Model Registration] (1) On the piezoelectric substrate 1, electrically short-circuited metal strips 2a and electrically open metal strips 2b are arranged in parallel, and the number of arranged metal strips or A surface acoustic wave reflector characterized in that the length is changed depending on the location on a piezoelectric substrate 1. (2) The surface acoustic wave reflector according to claim 1, wherein the number or length of the array changes with respect to the incident direction of the surface acoustic wave.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987118970U JPH073695Y2 (en) | 1987-08-03 | 1987-08-03 | Surface acoustic wave reflector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987118970U JPH073695Y2 (en) | 1987-08-03 | 1987-08-03 | Surface acoustic wave reflector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6423131U true JPS6423131U (en) | 1989-02-07 |
| JPH073695Y2 JPH073695Y2 (en) | 1995-01-30 |
Family
ID=31363790
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987118970U Expired - Lifetime JPH073695Y2 (en) | 1987-08-03 | 1987-08-03 | Surface acoustic wave reflector |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH073695Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7157991B2 (en) | 2001-07-03 | 2007-01-02 | Fujitsu Media Devices Limited | Surface acoustic wave device having reflectors with both open and shorted electrodes |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5487457A (en) * | 1977-12-23 | 1979-07-11 | Nec Corp | Elastic surface-wave resonator |
| JPS5547718A (en) * | 1978-09-22 | 1980-04-04 | Philips Nv | Elastic wave resonator |
| JPS61270514A (en) * | 1985-05-22 | 1986-11-29 | キムラ電機株式会社 | Screw holder |
-
1987
- 1987-08-03 JP JP1987118970U patent/JPH073695Y2/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5487457A (en) * | 1977-12-23 | 1979-07-11 | Nec Corp | Elastic surface-wave resonator |
| JPS5547718A (en) * | 1978-09-22 | 1980-04-04 | Philips Nv | Elastic wave resonator |
| JPS61270514A (en) * | 1985-05-22 | 1986-11-29 | キムラ電機株式会社 | Screw holder |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7157991B2 (en) | 2001-07-03 | 2007-01-02 | Fujitsu Media Devices Limited | Surface acoustic wave device having reflectors with both open and shorted electrodes |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH073695Y2 (en) | 1995-01-30 |
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