DE60300096D1 - Oberflächenwellen Bauelement und Kommunikationsgerät - Google Patents
Oberflächenwellen Bauelement und KommunikationsgerätInfo
- Publication number
- DE60300096D1 DE60300096D1 DE60300096T DE60300096T DE60300096D1 DE 60300096 D1 DE60300096 D1 DE 60300096D1 DE 60300096 T DE60300096 T DE 60300096T DE 60300096 T DE60300096 T DE 60300096T DE 60300096 D1 DE60300096 D1 DE 60300096D1
- Authority
- DE
- Germany
- Prior art keywords
- surface wave
- communication device
- wave device
- communication
- 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.)
- Expired - Lifetime
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/46—Filters
- H03H9/64—Filters 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
- H03H9/0023—Balance-unbalance or balance-balance networks
- H03H9/0028—Balance-unbalance or balance-balance networks using surface acoustic wave devices
- H03H9/008—Balance-unbalance or balance-balance networks using surface acoustic wave devices having three acoustic tracks
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/0023—Balance-unbalance or balance-balance networks
- H03H9/0028—Balance-unbalance or balance-balance networks using surface acoustic wave devices
- H03H9/0033—Balance-unbalance or balance-balance networks using surface acoustic wave devices having one acoustic track only
- H03H9/0038—Balance-unbalance or balance-balance networks using surface acoustic wave devices having one acoustic track only the balanced terminals being on the same side of the track
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/0023—Balance-unbalance or balance-balance networks
- H03H9/0028—Balance-unbalance or balance-balance networks using surface acoustic wave devices
- H03H9/0033—Balance-unbalance or balance-balance networks using surface acoustic wave devices having one acoustic track only
- H03H9/0042—Balance-unbalance or balance-balance networks using surface acoustic wave devices having one acoustic track only the balanced terminals being on opposite sides of the track
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/0023—Balance-unbalance or balance-balance networks
- H03H9/0028—Balance-unbalance or balance-balance networks using surface acoustic wave devices
- H03H9/0047—Balance-unbalance or balance-balance networks using surface acoustic wave devices having two acoustic tracks
- H03H9/0052—Balance-unbalance or balance-balance networks using surface acoustic wave devices having two acoustic tracks being electrically cascaded
- H03H9/0061—Balance-unbalance or balance-balance networks using surface acoustic wave devices having two acoustic tracks being electrically cascaded the balanced terminals being on opposite sides of the tracks
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/0023—Balance-unbalance or balance-balance networks
- H03H9/0028—Balance-unbalance or balance-balance networks using surface acoustic wave devices
- H03H9/0047—Balance-unbalance or balance-balance networks using surface acoustic wave devices having two acoustic tracks
- H03H9/0066—Balance-unbalance or balance-balance networks using surface acoustic wave devices having two acoustic tracks being electrically parallel
- H03H9/0071—Balance-unbalance or balance-balance networks using surface acoustic wave devices having two acoustic tracks being electrically parallel the balanced terminals being on the same side of the tracks
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/0023—Balance-unbalance or balance-balance networks
- H03H9/0028—Balance-unbalance or balance-balance networks using surface acoustic wave devices
- H03H9/0085—Balance-unbalance or balance-balance networks using surface acoustic wave devices having four acoustic tracks
-
- 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
- H03H9/02866—Means for compensation or elimination of undesirable effects of bulk wave excitation and reflections
-
- 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
- H03H9/14544—Transducers of particular shape or position
- H03H9/14576—Transducers whereby only the last fingers have different characteristics with respect to the other fingers, e.g. different shape, thickness or material, split finger
- H03H9/14582—Transducers whereby only the last fingers have different characteristics with respect to the other fingers, e.g. different shape, thickness or material, split finger the last fingers having a different pitch
-
- 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
- H03H9/14544—Transducers of particular shape or position
- H03H9/14588—Horizontally-split transducers
-
- 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
- H03H9/14544—Transducers of particular shape or position
- H03H9/14591—Vertically-split transducers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/46—Filters
- H03H9/64—Filters using surface acoustic waves
- H03H9/6423—Means for obtaining a particular transfer characteristic
- H03H9/6433—Coupled resonator filters
- H03H9/6436—Coupled resonator filters having one acoustic track only
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/46—Filters
- H03H9/64—Filters using surface acoustic waves
- H03H9/6423—Means for obtaining a particular transfer characteristic
- H03H9/6433—Coupled resonator filters
- H03H9/644—Coupled resonator filters having two acoustic tracks
- H03H9/6456—Coupled resonator filters having two acoustic tracks being electrically coupled
- H03H9/6469—Coupled resonator filters having two acoustic tracks being electrically coupled via two connecting electrodes
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
- Transceivers (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002037974 | 2002-02-15 | ||
JP2002037974 | 2002-02-15 | ||
JP2002331835 | 2002-11-15 | ||
JP2002331835A JP3846409B2 (ja) | 2002-02-15 | 2002-11-15 | 弾性表面波装置、通信装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE60300096D1 true DE60300096D1 (de) | 2004-11-25 |
DE60300096T2 DE60300096T2 (de) | 2006-02-02 |
Family
ID=27624618
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60300096T Expired - Lifetime DE60300096T2 (de) | 2002-02-15 | 2003-02-14 | Oberflächenwellen Bauelement und Kommunikationsgerät |
Country Status (6)
Country | Link |
---|---|
US (1) | US6828878B2 (de) |
EP (1) | EP1337039B1 (de) |
JP (1) | JP3846409B2 (de) |
KR (1) | KR100503954B1 (de) |
CN (1) | CN100411463C (de) |
DE (1) | DE60300096T2 (de) |
Families Citing this family (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3826816B2 (ja) * | 2001-08-29 | 2006-09-27 | 株式会社村田製作所 | 弾性表面波装置 |
JP3826877B2 (ja) | 2002-01-22 | 2006-09-27 | 株式会社村田製作所 | 弾性表面波装置およびそれを有する通信装置 |
JP2004040636A (ja) * | 2002-07-05 | 2004-02-05 | Murata Mfg Co Ltd | 表面波装置 |
JP3844725B2 (ja) * | 2002-09-30 | 2006-11-15 | 富士通メディアデバイス株式会社 | 弾性表面波フィルタ、それを有する弾性表面波分波器 |
JP3929415B2 (ja) * | 2003-04-23 | 2007-06-13 | 富士通メディアデバイス株式会社 | 弾性表面波デバイス |
US7158763B2 (en) * | 2003-05-02 | 2007-01-02 | P. J. Edmonson Ltd. | Multi-IDT SAW hybrid communication system |
JP4100249B2 (ja) * | 2003-05-19 | 2008-06-11 | 株式会社村田製作所 | 弾性表面波装置、通信機 |
KR100840872B1 (ko) * | 2005-02-16 | 2008-06-23 | 가부시키가이샤 무라타 세이사쿠쇼 | 밸런스형 탄성파 필터 장치 |
JP5010256B2 (ja) * | 2005-11-30 | 2012-08-29 | 京セラ株式会社 | 弾性表面波装置及びこれを備えた通信装置 |
CN101411061A (zh) * | 2006-04-06 | 2009-04-15 | 株式会社村田制作所 | 双工器 |
JP4158818B2 (ja) * | 2006-06-21 | 2008-10-01 | 株式会社村田製作所 | 弾性波フィルタ装置及びデュプレクサ |
JP5357022B2 (ja) | 2006-08-04 | 2013-12-04 | マヌス ファーマシューティカルズ (カナダ) リミテッド | 多機能生物活性化合物 |
JP4244057B2 (ja) | 2006-08-30 | 2009-03-25 | 富士通メディアデバイス株式会社 | バランスフィルタおよび分波器 |
JP4465625B2 (ja) | 2006-09-29 | 2010-05-19 | Tdk株式会社 | 弾性表面波フィルタおよび弾性表面波共振器 |
JP4867997B2 (ja) * | 2006-12-25 | 2012-02-01 | 株式会社村田製作所 | 弾性波装置 |
DE102007010040B4 (de) | 2007-03-01 | 2014-08-07 | Epcos Ag | Mit Oberflächenwellen arbeitendes DMS-Filter |
WO2010098065A1 (ja) * | 2009-02-25 | 2010-09-02 | 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 |
JP5281489B2 (ja) | 2009-06-09 | 2013-09-04 | 太陽誘電株式会社 | 弾性表面波デバイス |
DE102009032840B4 (de) | 2009-07-13 | 2015-02-05 | Epcos Ag | SAW-Filterschaltung mit verbesserter ESD-Festigkeit |
JP2012010164A (ja) * | 2010-06-25 | 2012-01-12 | Murata Mfg Co Ltd | 弾性波分波器 |
FR2966307B1 (fr) * | 2010-10-15 | 2013-07-12 | Commissariat Energie Atomique | Filtre a ondes acoustiques comprenant un guidage acoustique integre |
CN105391421B (zh) * | 2010-11-09 | 2018-04-06 | 天工滤波方案日本有限公司 | 弹性波装置 |
FR2982098B1 (fr) * | 2011-10-28 | 2014-06-13 | Commissariat Energie Atomique | Dispositif de puissance a ondes acoustiques |
CN104995836B (zh) | 2013-02-27 | 2018-01-19 | 京瓷株式会社 | 弹性波元件、分波器以及通信模块 |
JP6424897B2 (ja) * | 2014-12-01 | 2018-11-21 | 株式会社村田製作所 | 弾性波共振子、弾性波フィルタ、デュプレクサ及び弾性波装置 |
CN104639092A (zh) * | 2014-12-13 | 2015-05-20 | 中国电子科技集团公司第二十六研究所 | 高带外抑制高频表面贴装声表面横波谐振滤波器 |
CN105071783A (zh) * | 2015-09-14 | 2015-11-18 | 德清兰德电子有限公司 | 一种无线麦克风用声表面波滤波器 |
US20170085246A1 (en) * | 2015-09-17 | 2017-03-23 | Ishiang Shih | Tunable surface acoustic wave resonators and filters |
US20170104470A1 (en) * | 2015-10-09 | 2017-04-13 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Interdigitated transducers and reflectors for surface acoustic wave devices with non-uniformly spaced elements |
JP6760480B2 (ja) * | 2017-03-14 | 2020-09-23 | 株式会社村田製作所 | エクストラクタ |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55125713A (en) * | 1979-03-22 | 1980-09-27 | Toshiba Corp | Surface elastic wave device |
US5028831A (en) * | 1990-04-04 | 1991-07-02 | Motorola, Inc. | SAW reflectionless quarter-wavelength transducers |
JPH05299966A (ja) * | 1992-04-18 | 1993-11-12 | Murata Mfg Co Ltd | 弾性表面波デバイス |
JP3254779B2 (ja) * | 1993-01-05 | 2002-02-12 | 株式会社村田製作所 | 多電極形弾性表面波装置 |
JP3139225B2 (ja) * | 1993-07-08 | 2001-02-26 | 株式会社村田製作所 | 弾性表面波フィルタ |
JP3614234B2 (ja) * | 1996-03-14 | 2005-01-26 | 沖電気工業株式会社 | 共振器型弾性表面波フィルタ |
WO1999004489A1 (fr) * | 1997-07-18 | 1999-01-28 | Kabushiki Kaisha Toshiba | Filtre d'ondes acoustiques de surface |
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 |
JP3255128B2 (ja) | 1998-11-24 | 2002-02-12 | 株式会社村田製作所 | 弾性表面波フィルタ |
JP3371849B2 (ja) * | 1999-04-28 | 2003-01-27 | 株式会社村田製作所 | Saw共振子、複合sawフィルタ及びsawフィルタ |
JP3454239B2 (ja) * | 2000-08-31 | 2003-10-06 | 株式会社村田製作所 | 弾性表面波フィルタ |
-
2002
- 2002-11-15 JP JP2002331835A patent/JP3846409B2/ja not_active Expired - Fee Related
-
2003
- 2003-02-14 KR KR10-2003-0009353A patent/KR100503954B1/ko active IP Right Grant
- 2003-02-14 DE DE60300096T patent/DE60300096T2/de not_active Expired - Lifetime
- 2003-02-14 US US10/367,257 patent/US6828878B2/en not_active Expired - Lifetime
- 2003-02-14 EP EP03290355A patent/EP1337039B1/de not_active Expired - Lifetime
- 2003-02-17 CN CNB031200559A patent/CN100411463C/zh not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JP2003309448A (ja) | 2003-10-31 |
KR100503954B1 (ko) | 2005-07-26 |
DE60300096T2 (de) | 2006-02-02 |
JP3846409B2 (ja) | 2006-11-15 |
CN1438815A (zh) | 2003-08-27 |
US6828878B2 (en) | 2004-12-07 |
EP1337039A1 (de) | 2003-08-20 |
US20030155993A1 (en) | 2003-08-21 |
KR20030069088A (ko) | 2003-08-25 |
EP1337039B1 (de) | 2004-10-20 |
CN100411463C (zh) | 2008-08-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |