CN1427545A - 表面声波谐振器和表面滤波器 - Google Patents
表面声波谐振器和表面滤波器 Download PDFInfo
- Publication number
- CN1427545A CN1427545A CN02157555A CN02157555A CN1427545A CN 1427545 A CN1427545 A CN 1427545A CN 02157555 A CN02157555 A CN 02157555A CN 02157555 A CN02157555 A CN 02157555A CN 1427545 A CN1427545 A CN 1427545A
- Authority
- CN
- China
- Prior art keywords
- saw
- resonator
- interdigital transducer
- refers
- 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.)
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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
- H03H9/46—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
- H03H9/02—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
- H03H9/14564—Shifted fingers transducers
- H03H9/14567—Stepped-fan shaped 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
- H03H9/1457—Transducers having different finger widths
-
- 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
- H03H9/6483—Ladder SAW filters
-
- 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
- H03H9/14547—Fan shaped; Tilted; Shifted; Slanted; Tapered; Arched; Stepped finger transducers
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
Abstract
Description
Claims (17)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP390707/2001 | 2001-12-21 | ||
JP2001390707A JP2003198317A (ja) | 2001-12-21 | 2001-12-21 | 弾性表面波共振子及び弾性表面波フィルタ |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1427545A true CN1427545A (zh) | 2003-07-02 |
CN100365929C CN100365929C (zh) | 2008-01-30 |
Family
ID=19188437
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB02157555XA Expired - Lifetime CN100365929C (zh) | 2001-12-21 | 2002-12-20 | 表面声波谐振器和表面滤波器 |
Country Status (5)
Country | Link |
---|---|
US (1) | US6946931B2 (zh) |
JP (1) | JP2003198317A (zh) |
KR (1) | KR100679195B1 (zh) |
CN (1) | CN100365929C (zh) |
SG (1) | SG110009A1 (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1825759B (zh) * | 2005-02-24 | 2011-11-16 | 京瓷株式会社 | 声表面波元件、分波器和通信设备 |
CN105684308A (zh) * | 2013-10-31 | 2016-06-15 | 京瓷株式会社 | 弹性波元件、滤波器元件以及通信装置 |
CN107017860A (zh) * | 2016-01-05 | 2017-08-04 | Handy国际株式会社 | 声表面波器件、天线收发转换开关及叉指式换能器 |
Families Citing this family (40)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10301934A1 (de) * | 2003-01-20 | 2004-07-29 | Epcos Ag | Elektrisches Bauelement mit verringerter Substratfläche |
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 |
WO2005050837A1 (ja) * | 2003-11-21 | 2005-06-02 | Matsushita Electric Industrial Co., Ltd. | 弾性表面波フィルタ |
JP2005159835A (ja) * | 2003-11-27 | 2005-06-16 | Hitachi Media Electoronics Co Ltd | 弾性表面波フィルタ |
DE102004037819B4 (de) | 2004-08-04 | 2021-12-16 | Snaptrack, Inc. | Elektroakustisches Bauelement mit geringen Verlusten |
JP2006080873A (ja) * | 2004-09-09 | 2006-03-23 | Hitachi Media Electoronics Co Ltd | 弾性表面波装置及びそれを用いた通信装置 |
WO2006078001A1 (ja) * | 2005-01-21 | 2006-07-27 | National University Corporation Chiba University | 弾性表面波装置 |
JP4637600B2 (ja) * | 2005-02-07 | 2011-02-23 | 京セラ株式会社 | 弾性表面波素子および通信装置 |
US7453334B1 (en) * | 2005-03-21 | 2008-11-18 | Triquint Semiconductor, Inc. | Leaky SAW resonator and method |
JP5039290B2 (ja) * | 2005-08-25 | 2012-10-03 | 太陽誘電株式会社 | フィルタおよびアンテナ分波器 |
JP4671813B2 (ja) * | 2005-09-02 | 2011-04-20 | 京セラ株式会社 | 弾性表面波素子 |
JP4671820B2 (ja) * | 2005-09-09 | 2011-04-20 | 京セラ株式会社 | 弾性表面波素子 |
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 |
DE102005051852B4 (de) * | 2005-10-28 | 2021-05-20 | Snaptrack, Inc. | SAW Filter mit breitbandiger Bandsperre |
JP4738164B2 (ja) * | 2005-12-22 | 2011-08-03 | 京セラ株式会社 | 弾性表面波装置及び通信装置 |
DE102005061800A1 (de) * | 2005-12-23 | 2007-06-28 | Epcos Ag | Mit akustischen Wellen arbeitender Wandler und Filter mit dem Wandler |
JPWO2007097186A1 (ja) * | 2006-02-20 | 2009-07-09 | 株式会社村田製作所 | 弾性表面波装置 |
JP2008035220A (ja) * | 2006-07-28 | 2008-02-14 | Kyocera Corp | 弾性表面波装置及び通信装置 |
JP4915190B2 (ja) * | 2006-09-20 | 2012-04-11 | パナソニック株式会社 | 弾性表面波共振子 |
JP4915191B2 (ja) * | 2006-09-20 | 2012-04-11 | パナソニック株式会社 | 弾性表面波共振子 |
JP5028926B2 (ja) * | 2006-09-20 | 2012-09-19 | パナソニック株式会社 | 弾性表面波共振子 |
US7965155B2 (en) * | 2006-12-27 | 2011-06-21 | Panasonic Corporation | Surface acoustic wave resonator, and surface acoustic wave filter and antenna duplexer in which the surface acoustic wave resonator is used |
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 |
JP5156448B2 (ja) * | 2008-03-24 | 2013-03-06 | 太陽誘電株式会社 | 弾性波素子、フィルタ、通信モジュール、および通信装置 |
JP5177230B2 (ja) * | 2008-10-24 | 2013-04-03 | セイコーエプソン株式会社 | 弾性表面波共振子、弾性表面波発振器および弾性表面波モジュール装置 |
CN102449905B (zh) * | 2009-06-04 | 2014-06-18 | 株式会社村田制作所 | 弹性波谐振器、梯形滤波器及双工器 |
JP5422441B2 (ja) * | 2010-02-26 | 2014-02-19 | 太陽誘電株式会社 | 弾性波デバイス |
CN102918768B (zh) * | 2010-06-22 | 2015-03-25 | 株式会社村田制作所 | 梯型弹性波滤波器装置以及分波器 |
DE102010053674B4 (de) * | 2010-12-07 | 2017-08-24 | Snaptrack Inc. | Elektroakustischer Wandler |
US9065424B2 (en) * | 2011-03-25 | 2015-06-23 | Skyworks Panasonic Filter Solutions Japan Co., Ltd | Acoustic wave device with reduced higher order transverse modes |
JP6013829B2 (ja) * | 2012-08-17 | 2016-10-25 | 太陽誘電株式会社 | 弾性波フィルタ、デュプレクサ及びモジュール |
JP6284800B2 (ja) * | 2014-03-26 | 2018-02-28 | 太陽誘電株式会社 | 弾性表面波デバイス及びフィルタ |
JP6441590B2 (ja) * | 2014-05-23 | 2018-12-19 | 太陽誘電株式会社 | 弾性波デバイス |
JP6411295B2 (ja) | 2014-10-16 | 2018-10-24 | 太陽誘電株式会社 | 弾性波デバイス、フィルタ、及び分波器 |
US10097158B2 (en) | 2014-10-16 | 2018-10-09 | Taiyo Yuden Co., Ltd. | Acoustic wave device, filter, and duplexer |
CN109075763B (zh) * | 2016-04-27 | 2022-06-10 | 京瓷株式会社 | 弹性波元件以及通信装置 |
JP6888691B2 (ja) * | 2017-12-19 | 2021-06-16 | 株式会社村田製作所 | 弾性波装置 |
CN110672715A (zh) * | 2019-09-24 | 2020-01-10 | 南京邮电大学 | 一种新型声表面波传感器 |
CN112152588B (zh) * | 2020-09-25 | 2024-01-30 | 福建晶安光电有限公司 | 声表面波滤波器及声表面波滤波器用晶片的加工方法 |
KR20230101027A (ko) * | 2021-12-29 | 2023-07-06 | (주) 와이팜 | Saw 공진기 설계방법, saw 필터 및 그 설계방법, 이를 기록한 컴퓨팅 장치에서 판독 가능한 기록매체 |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5643818A (en) * | 1979-09-17 | 1981-04-22 | Hitachi Ltd | Surface elastic wave device and its manufacture |
JPS6382113A (ja) | 1986-09-26 | 1988-04-12 | Alps Electric Co Ltd | 弾性表面波素子 |
JPH07162260A (ja) * | 1993-12-13 | 1995-06-23 | Toshiba Corp | 弾性表面波フィルタ |
JPH07307640A (ja) | 1994-03-17 | 1995-11-21 | Fujitsu Ltd | 弾性表面波デバイス |
JP3106387B2 (ja) * | 1995-04-04 | 2000-11-06 | 株式会社村田製作所 | 弾性表面波装置 |
DE69608997T2 (de) * | 1995-04-12 | 2000-11-16 | Matsushita Electric Ind Co Ltd | Resonateur-Kettenfilter mit akustischen Oberflächenwellen |
US5654680A (en) * | 1996-01-30 | 1997-08-05 | Motorola, Inc. | Saw-based ladder filter including multiple coUpling coefficients (K2), Method therefor and radio incorporating same |
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 |
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 |
JP3224202B2 (ja) * | 1996-11-28 | 2001-10-29 | 富士通株式会社 | 弾性表面波装置 |
JPH10173467A (ja) * | 1996-12-13 | 1998-06-26 | Toyo Commun Equip Co Ltd | トランスバーサル型sawフィルタ |
WO1999004489A1 (fr) * | 1997-07-18 | 1999-01-28 | Kabushiki Kaisha Toshiba | Filtre d'ondes acoustiques de surface |
JP3515131B2 (ja) * | 1997-07-28 | 2004-04-05 | 株式会社東芝 | 弾性表面波素子およびその製造方法 |
JPH11163664A (ja) | 1997-11-28 | 1999-06-18 | Kyocera Corp | 弾性表面波フィルタ |
JPH11191720A (ja) | 1997-12-25 | 1999-07-13 | Kyocera Corp | 弾性表面波装置及び弾性表面波フィルタ |
JP3449352B2 (ja) * | 2000-02-07 | 2003-09-22 | 株式会社村田製作所 | 弾性表面波フィルタ |
JP3435639B2 (ja) * | 2000-04-13 | 2003-08-11 | 株式会社村田製作所 | 弾性表面波装置の製造方法及び弾性表面波装置 |
US6570470B2 (en) * | 2000-06-30 | 2003-05-27 | Kyocera Corporation | Surface acoustic wave ladder filter utilizing parallel resonators with different resonant frequencies |
JP4460728B2 (ja) * | 2000-07-05 | 2010-05-12 | 株式会社コーナン・メディカル | 角膜細胞撮影装置 |
JP3412611B2 (ja) * | 2000-09-25 | 2003-06-03 | 株式会社村田製作所 | 弾性表面波装置 |
-
2001
- 2001-12-21 JP JP2001390707A patent/JP2003198317A/ja active Pending
-
2002
- 2002-12-11 US US10/316,089 patent/US6946931B2/en not_active Expired - Lifetime
- 2002-12-13 SG SG200207547A patent/SG110009A1/en unknown
- 2002-12-20 KR KR1020020081804A patent/KR100679195B1/ko active IP Right Grant
- 2002-12-20 CN CNB02157555XA patent/CN100365929C/zh not_active Expired - Lifetime
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1825759B (zh) * | 2005-02-24 | 2011-11-16 | 京瓷株式会社 | 声表面波元件、分波器和通信设备 |
CN105684308A (zh) * | 2013-10-31 | 2016-06-15 | 京瓷株式会社 | 弹性波元件、滤波器元件以及通信装置 |
CN107017860A (zh) * | 2016-01-05 | 2017-08-04 | Handy国际株式会社 | 声表面波器件、天线收发转换开关及叉指式换能器 |
CN107017860B (zh) * | 2016-01-05 | 2020-06-23 | 威盛日本株式会社 | 声表面波器件、天线收发转换开关及叉指式换能器 |
Also Published As
Publication number | Publication date |
---|---|
CN100365929C (zh) | 2008-01-30 |
SG110009A1 (en) | 2005-04-28 |
US20030117240A1 (en) | 2003-06-26 |
KR100679195B1 (ko) | 2007-02-07 |
US6946931B2 (en) | 2005-09-20 |
KR20030053433A (ko) | 2003-06-28 |
JP2003198317A (ja) | 2003-07-11 |
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Effective date of registration: 20101201 Address after: Tokyo, Japan Patentee after: Fujitsu Media Devices Ltd. Address before: Kanagawa Co-patentee before: Fujitsu Ltd. Patentee before: Fujitsu Media Devices Ltd. |
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