JPS58143620A - 弾性表面波共振器 - Google Patents
弾性表面波共振器Info
- Publication number
- JPS58143620A JPS58143620A JP2588282A JP2588282A JPS58143620A JP S58143620 A JPS58143620 A JP S58143620A JP 2588282 A JP2588282 A JP 2588282A JP 2588282 A JP2588282 A JP 2588282A JP S58143620 A JPS58143620 A JP S58143620A
- Authority
- JP
- Japan
- Prior art keywords
- acoustic wave
- surface acoustic
- comb
- electrode fingers
- shaped 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.)
- Granted
Links
- 238000010897 surface acoustic wave method Methods 0.000 title claims abstract description 42
- 230000005855 radiation Effects 0.000 claims abstract description 29
- 239000000758 substrate Substances 0.000 claims description 7
- 230000001902 propagating effect Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 2
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 230000001629 suppression Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000002747 voluntary effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
- H03H9/02—Details
- H03H9/125—Driving means, e.g. electrodes, coils
- H03H9/145—Driving means, e.g. electrodes, coils for networks using surface acoustic waves
- H03H9/14517—Means for weighting
- H03H9/1452—Means for weighting by finger overlap length, apodisation
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
- H03H9/46—Filters
- H03H9/64—Filters using surface acoustic waves
- H03H9/6489—Compensation of undesirable effects
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2588282A JPS58143620A (ja) | 1982-02-22 | 1982-02-22 | 弾性表面波共振器 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2588282A JPS58143620A (ja) | 1982-02-22 | 1982-02-22 | 弾性表面波共振器 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS58143620A true JPS58143620A (ja) | 1983-08-26 |
JPH0245847B2 JPH0245847B2 (enrdf_load_stackoverflow) | 1990-10-12 |
Family
ID=12178146
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2588282A Granted JPS58143620A (ja) | 1982-02-22 | 1982-02-22 | 弾性表面波共振器 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS58143620A (enrdf_load_stackoverflow) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63114408A (ja) * | 1986-10-31 | 1988-05-19 | Toshiba Corp | 弾性表面波装置 |
JP2007019710A (ja) * | 2005-07-06 | 2007-01-25 | Fujitsu Media Device Kk | 弾性表面波装置 |
US9319023B2 (en) | 2011-06-28 | 2016-04-19 | Kyocera Corporation | Acoustic wave element and acoustic wave device using same |
US10476474B2 (en) | 2016-01-13 | 2019-11-12 | Taiyo Yuden Co., Ltd. | Acoustic wave resonator, filter, and duplexer |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE112014006013B4 (de) | 2013-12-26 | 2024-06-20 | Murata Manufacturing Co., Ltd. | Vorrichtung für elastische Wellen und Filtervorrichtung |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55144423U (enrdf_load_stackoverflow) * | 1979-04-05 | 1980-10-16 |
-
1982
- 1982-02-22 JP JP2588282A patent/JPS58143620A/ja active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55144423U (enrdf_load_stackoverflow) * | 1979-04-05 | 1980-10-16 |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63114408A (ja) * | 1986-10-31 | 1988-05-19 | Toshiba Corp | 弾性表面波装置 |
JP2007019710A (ja) * | 2005-07-06 | 2007-01-25 | Fujitsu Media Device Kk | 弾性表面波装置 |
US9319023B2 (en) | 2011-06-28 | 2016-04-19 | Kyocera Corporation | Acoustic wave element and acoustic wave device using same |
USRE47991E1 (en) | 2011-06-28 | 2020-05-12 | Kyocera Corporation | Acoustic wave element and acoustic wave device using same |
US10476474B2 (en) | 2016-01-13 | 2019-11-12 | Taiyo Yuden Co., Ltd. | Acoustic wave resonator, filter, and duplexer |
Also Published As
Publication number | Publication date |
---|---|
JPH0245847B2 (enrdf_load_stackoverflow) | 1990-10-12 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US7576471B1 (en) | SAW filter operable in a piston mode | |
US10009009B2 (en) | Elastic wave device including electrode fingers with elongated sections | |
JP2000286663A (ja) | 弾性表面波素子 | |
US6346761B1 (en) | Surface acoustic wave device capable of suppressing spurious response due to non-harmonic higher-order modes | |
JPS58143620A (ja) | 弾性表面波共振器 | |
JPS607850B2 (ja) | 音響表面波トランスジュ−サ | |
JP2005012544A (ja) | 弾性表面波フィルタおよび弾性表面波共振器 | |
JPS6043912A (ja) | 弾性表面波共振子 | |
EP0450928A2 (en) | Saw reflectionless quarterwavelength transducers | |
JPH06334469A (ja) | 弾性表面波フィルタ | |
JPH03222511A (ja) | Saw共振器フィルタ | |
JPS62199111A (ja) | Idt励振横結合二重モ−ドフイルタ | |
JP2004516703A (ja) | トランスバーサルモード結合型共振器フィルタ | |
JP3201088B2 (ja) | 弾性表面波共振子 | |
JPH02260908A (ja) | 弾性表面波装置 | |
JPH05183375A (ja) | 圧電薄膜発振子 | |
JPS6355807B2 (enrdf_load_stackoverflow) | ||
JPH03295308A (ja) | 弾性表面波共振子 | |
JP3480785B2 (ja) | 縦モード共振器弾性表面波フィルタ | |
JPS6382115A (ja) | 弾性表面波装置 | |
JPH05181098A (ja) | 音響光学可変波長フィルタ | |
JPH01220910A (ja) | 弾性表面波共振装置 | |
JPH0211012A (ja) | 表面弾性波多重モードフィルタ | |
JPH08321740A (ja) | 弾性表面波デバイス | |
JP2539789Y2 (ja) | 弾性表面波フィルタの電極構造 |