CN101379699B - 声表面波谐振器及使用该声表面波谐振器的声表面波滤波器以及天线共用器 - Google Patents
声表面波谐振器及使用该声表面波谐振器的声表面波滤波器以及天线共用器 Download PDFInfo
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- CN101379699B CN101379699B CN2007800046075A CN200780004607A CN101379699B CN 101379699 B CN101379699 B CN 101379699B CN 2007800046075 A CN2007800046075 A CN 2007800046075A CN 200780004607 A CN200780004607 A CN 200780004607A CN 101379699 B CN101379699 B CN 101379699B
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- Prior art keywords
- electrode
- saw resonator
- saw
- filter
- film
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; 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
- H03H3/00—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators
- H03H3/007—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks
- H03H3/08—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks for the manufacture of resonators or networks using surface acoustic waves
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/02—Details
- H03H9/02535—Details of surface acoustic wave devices
- H03H9/02818—Means for compensation or elimination of undesirable effects
- H03H9/02858—Means for compensation or elimination of undesirable effects of wave front distortion
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/02—Details
- H03H9/02535—Details of surface acoustic wave devices
- H03H9/02818—Means for compensation or elimination of undesirable effects
- H03H9/02881—Means for compensation or elimination of undesirable effects of diffraction of wave beam
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/02—Details
- H03H9/02535—Details of surface acoustic wave devices
- H03H9/02992—Details of bus bars, contact pads or other electrical connections for finger electrodes
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/25—Constructional features of resonators using surface acoustic waves
Abstract
Description
Claims (11)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP351247/2006 | 2006-12-27 | ||
JP2006351247 | 2006-12-27 | ||
PCT/JP2007/074084 WO2008078573A1 (ja) | 2006-12-27 | 2007-12-14 | 弾性表面波共振器並びにそれを用いた弾性表面波フィルタ及びアンテナ共用器 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101379699A CN101379699A (zh) | 2009-03-04 |
CN101379699B true CN101379699B (zh) | 2012-04-11 |
Family
ID=39562367
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2007800046075A Active CN101379699B (zh) | 2006-12-27 | 2007-12-14 | 声表面波谐振器及使用该声表面波谐振器的声表面波滤波器以及天线共用器 |
Country Status (6)
Country | Link |
---|---|
US (1) | US7965155B2 (zh) |
EP (1) | EP1962424A4 (zh) |
JP (2) | JP4569699B2 (zh) |
KR (1) | KR100963341B1 (zh) |
CN (1) | CN101379699B (zh) |
WO (1) | WO2008078573A1 (zh) |
Families Citing this family (36)
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JP5115184B2 (ja) * | 2007-12-25 | 2013-01-09 | パナソニック株式会社 | 弾性境界波デバイス、及びそれを用いたフィルタ、アンテナ共用器 |
JP5195443B2 (ja) * | 2009-01-13 | 2013-05-08 | 株式会社村田製作所 | 弾性波装置 |
JP5115649B2 (ja) * | 2009-02-25 | 2013-01-09 | パナソニック株式会社 | 弾性波素子および弾性波フィルタ |
US8698578B2 (en) * | 2009-05-27 | 2014-04-15 | Panasonic Corporation | Acoustic wave resonator and duplexer using same |
WO2010140456A1 (ja) * | 2009-06-04 | 2010-12-09 | 株式会社村田製作所 | 弾性波共振子、ラダー型フィルタ及びデュプレクサ |
CN102484467B (zh) | 2009-11-02 | 2015-01-21 | 天工松下滤波方案日本有限公司 | 弹性波元件、和其使用的双工器及电子设备 |
DE102010005596B4 (de) | 2010-01-25 | 2015-11-05 | Epcos Ag | Elektroakustischer Wandler mit verringerten Verlusten durch transversale Emission und verbesserter Performance durch Unterdrückung transversaler Moden |
US9419584B2 (en) | 2010-02-22 | 2016-08-16 | Skyworks Panasonic Filter Solutions Japan Co., Ltd. | Antenna sharing device |
JP5422441B2 (ja) * | 2010-02-26 | 2014-02-19 | 太陽誘電株式会社 | 弾性波デバイス |
JP2011182220A (ja) * | 2010-03-02 | 2011-09-15 | Panasonic Corp | 弾性波共振器及びこれを用いた縦結合二重モードフィルタ、ラダー型フィルタ |
CN101860342B (zh) * | 2010-04-29 | 2013-12-18 | 贵州大学 | 汇流条兼作反射栅型idt结构的saw器件 |
DE102010053674B4 (de) * | 2010-12-07 | 2017-08-24 | Snaptrack Inc. | Elektroakustischer Wandler |
WO2012100813A1 (en) * | 2011-01-24 | 2012-08-02 | Epcos Ag | Surface acoustic wave filter |
JPWO2012127793A1 (ja) * | 2011-03-22 | 2014-07-24 | パナソニック株式会社 | 弾性波素子 |
JP5697751B2 (ja) | 2011-03-25 | 2015-04-08 | スカイワークス・パナソニック フィルターソリューションズ ジャパン株式会社 | 高次横モード波を抑制した弾性波デバイス |
JP5695191B2 (ja) | 2011-05-19 | 2015-04-01 | 太陽誘電株式会社 | 弾性波デバイスおよびモジュール |
WO2014103953A1 (ja) * | 2012-12-26 | 2014-07-03 | 株式会社村田製作所 | ラダー型フィルタ |
JP6504551B2 (ja) * | 2013-06-10 | 2019-04-24 | 太陽誘電株式会社 | 共振器、フィルタおよび分波器 |
WO2015007319A1 (en) | 2013-07-18 | 2015-01-22 | Epcos Ag | Electroacoustic transducer with improved suppression of unwanted modes |
JP6335473B2 (ja) * | 2013-11-01 | 2018-05-30 | 太陽誘電株式会社 | 弾性表面波デバイス及びフィルタ |
JP6355328B2 (ja) * | 2013-12-19 | 2018-07-11 | 太陽誘電株式会社 | 弾性表面波デバイス及びフィルタ |
WO2015182521A1 (ja) * | 2014-05-26 | 2015-12-03 | 株式会社村田製作所 | 弾性波装置及びラダー型フィルタ |
DE102014111828A1 (de) * | 2014-08-19 | 2016-02-25 | Epcos Ag | Mit akustischen Oberflächenwellen arbeitender Eintorresonator |
CN104980117A (zh) * | 2015-06-15 | 2015-10-14 | 电子科技大学 | 一种耐高温的柔性声表面波器件及其制造方法 |
WO2017018207A1 (ja) * | 2015-07-28 | 2017-02-02 | 株式会社村田製作所 | 弾性波装置 |
RU2602392C1 (ru) * | 2015-11-09 | 2016-11-20 | федеральное государственное автономное образовательное учреждение высшего образования "Южный федеральный университет" | Фильтр на поверхностных акустических волнах |
GB2600838A (en) * | 2016-10-20 | 2022-05-11 | Skyworks Solutions Inc | Elastic wave device with sub-wavelength thick piezoelectric layer |
JP6913619B2 (ja) * | 2017-12-12 | 2021-08-04 | 株式会社村田製作所 | マルチプレクサ、高周波フロントエンド回路及び通信装置 |
KR20190138096A (ko) * | 2018-06-04 | 2019-12-12 | (주)와이솔 | 표면 탄성파 소자 |
WO2020059765A1 (ja) * | 2018-09-20 | 2020-03-26 | 株式会社村田製作所 | 弾性波装置 |
CN109327200A (zh) * | 2018-11-27 | 2019-02-12 | 中电科技德清华莹电子有限公司 | 一种声表面波谐振结构滤波器 |
CN109309485A (zh) * | 2018-11-27 | 2019-02-05 | 中电科技德清华莹电子有限公司 | 采用畴反转区的声表面波谐振结构滤波器 |
CN110572138A (zh) * | 2019-10-08 | 2019-12-13 | 开元通信技术(厦门)有限公司 | 一种滤波装置及其制作方法 |
US11811392B2 (en) | 2019-10-23 | 2023-11-07 | Skyworks Solutions, Inc. | Surface acoustic wave resonator with suppressed transverse modes using selective dielectric removal |
US11870421B2 (en) | 2019-10-23 | 2024-01-09 | Skyworks Solutions, Inc. | Surface acoustic wave resonator with suppressed transverse modes using second bus bar |
CN115276593B (zh) * | 2022-06-27 | 2023-03-28 | 上海馨欧集成微电有限公司 | 一种声波谐振器及滤波器 |
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US3760204A (en) * | 1972-03-01 | 1973-09-18 | Motorola Inc | Acoustic surface wave resonator |
JPS6162221A (ja) | 1984-09-04 | 1986-03-31 | Nec Corp | 弾性表面波共振子 |
US4978879A (en) * | 1988-07-27 | 1990-12-18 | Fujitsu Limited | Acoustic surface wave element |
JPH02295211A (ja) * | 1989-05-09 | 1990-12-06 | Fujitsu Ltd | エネルギー閉じ込め型弾性表面波素子 |
US4999535A (en) * | 1989-09-25 | 1991-03-12 | The United States Of America As Represented By The Secretary Of The Army | Saw transducer with improved bus-bar design |
JPH03158014A (ja) * | 1989-11-15 | 1991-07-08 | Fujitsu Ltd | 弾性表面波素子 |
JPH06164297A (ja) | 1992-02-12 | 1994-06-10 | Kokusai Electric Co Ltd | 弾性表面波共振子 |
JPH05335879A (ja) | 1992-05-28 | 1993-12-17 | Fujitsu Ltd | 弾性表面波素子 |
JPH06152299A (ja) * | 1992-11-09 | 1994-05-31 | Fujitsu Ltd | 弾性表面波デバイス |
JP3201088B2 (ja) * | 1993-08-20 | 2001-08-20 | 株式会社明電舎 | 弾性表面波共振子 |
JP3226472B2 (ja) * | 1996-05-14 | 2001-11-05 | 富士通株式会社 | 弾性表面波多重モードフィルタ |
JPH1022765A (ja) * | 1996-07-08 | 1998-01-23 | Hitachi Ltd | 弾性表面波共振子及び共振子型フィルタ |
JPH10303681A (ja) * | 1997-04-24 | 1998-11-13 | Kyocera Corp | 弾性表面波装置 |
JPH1174751A (ja) * | 1997-08-28 | 1999-03-16 | Murata Mfg Co Ltd | 弾性表面波装置 |
JP3317273B2 (ja) * | 1998-08-25 | 2002-08-26 | 株式会社村田製作所 | 表面波共振子、フィルタ、共用器、通信機装置 |
JP3863712B2 (ja) | 2000-09-06 | 2006-12-27 | 株式会社日立製作所 | 弾性表面波共振器 |
JP4109877B2 (ja) | 2001-03-04 | 2008-07-02 | 和彦 山之内 | 弾性表面波機能素子 |
EP1239588A2 (en) * | 2001-03-04 | 2002-09-11 | Kazuhiko Yamanouchi | Surface acoustic wave substrate and surface acoustic wave functional element |
JP2003198317A (ja) * | 2001-12-21 | 2003-07-11 | Fujitsu Media Device Kk | 弾性表面波共振子及び弾性表面波フィルタ |
EP1324489A1 (en) * | 2001-12-21 | 2003-07-02 | Temex | Method for realising surface acoustic wave filter arrangements and filter arrangement obtained in accordance to this method |
JP4305173B2 (ja) * | 2002-12-25 | 2009-07-29 | パナソニック株式会社 | 電子部品およびこの電子部品を用いた電子機器 |
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JP2007110342A (ja) * | 2005-10-12 | 2007-04-26 | Kyocera Corp | 弾性表面波素子及びその製造方法 |
WO2007094368A1 (ja) * | 2006-02-16 | 2007-08-23 | Matsushita Electric Industrial Co., Ltd. | 弾性表面波デバイス、およびこれを用いた弾性表面波フィルタとアンテナ共用器、並びにこれを用いた電子機器 |
JP4975377B2 (ja) * | 2006-06-06 | 2012-07-11 | 太陽誘電株式会社 | 弾性境界波素子、共振器およびフィルタ |
-
2007
- 2007-12-14 JP JP2008518531A patent/JP4569699B2/ja active Active
- 2007-12-14 CN CN2007800046075A patent/CN101379699B/zh active Active
- 2007-12-14 KR KR20087012167A patent/KR100963341B1/ko active IP Right Grant
- 2007-12-14 US US12/094,324 patent/US7965155B2/en active Active
- 2007-12-14 WO PCT/JP2007/074084 patent/WO2008078573A1/ja active Application Filing
- 2007-12-14 EP EP07850596A patent/EP1962424A4/en not_active Withdrawn
-
2010
- 2010-08-06 JP JP2010177201A patent/JP5012977B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
CN101379699A (zh) | 2009-03-04 |
WO2008078573A1 (ja) | 2008-07-03 |
US7965155B2 (en) | 2011-06-21 |
US20100219905A1 (en) | 2010-09-02 |
JP2011019249A (ja) | 2011-01-27 |
KR100963341B1 (ko) | 2010-06-14 |
EP1962424A1 (en) | 2008-08-27 |
EP1962424A4 (en) | 2013-04-03 |
JP5012977B2 (ja) | 2012-08-29 |
JP4569699B2 (ja) | 2010-10-27 |
JPWO2008078573A1 (ja) | 2010-04-22 |
KR20080077609A (ko) | 2008-08-25 |
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