JPS57119509A - Surface acoustic wave resonator - Google Patents

Surface acoustic wave resonator

Info

Publication number
JPS57119509A
JPS57119509A JP56005166A JP516681A JPS57119509A JP S57119509 A JPS57119509 A JP S57119509A JP 56005166 A JP56005166 A JP 56005166A JP 516681 A JP516681 A JP 516681A JP S57119509 A JPS57119509 A JP S57119509A
Authority
JP
Japan
Prior art keywords
transducers
acoustic wave
surface acoustic
grating reflectors
wave resonator
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.)
Pending
Application number
JP56005166A
Other languages
English (en)
Inventor
Shigefumi Morishita
Yasuo Ehata
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP56005166A priority Critical patent/JPS57119509A/ja
Priority to US06/318,855 priority patent/US4425554A/en
Priority to EP82300077A priority patent/EP0056690B1/en
Priority to DE8282300077T priority patent/DE3260147D1/de
Priority to CA000394337A priority patent/CA1180436A/en
Publication of JPS57119509A publication Critical patent/JPS57119509A/ja
Pending legal-status Critical Current

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
    • H03H9/25—Constructional features of resonators 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
    • H03H9/125—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
    • H03H9/644—Coupled resonator filters having two acoustic tracks
    • H03H9/6443—Coupled resonator filters having two acoustic tracks being acoustically coupled
    • H03H9/645—Coupled resonator filters having two acoustic tracks being acoustically coupled by grating reflectors overlapping both 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
    • H03H9/46—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
    • H03H9/6459—Coupled resonator filters having two acoustic tracks being electrically coupled via one connecting electrode
    • H03H9/6463—Coupled resonator filters having two acoustic tracks being electrically coupled via one connecting electrode the tracks being electrically cascaded
    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
JP56005166A 1981-01-19 1981-01-19 Surface acoustic wave resonator Pending JPS57119509A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP56005166A JPS57119509A (en) 1981-01-19 1981-01-19 Surface acoustic wave resonator
US06/318,855 US4425554A (en) 1981-01-19 1981-11-06 Surface acoustic wave resonator device
EP82300077A EP0056690B1 (en) 1981-01-19 1982-01-07 Surface acoustic wave resonator device
DE8282300077T DE3260147D1 (en) 1981-01-19 1982-01-07 Surface acoustic wave resonator device
CA000394337A CA1180436A (en) 1981-01-19 1982-01-18 Surface acoustic wave resonator device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56005166A JPS57119509A (en) 1981-01-19 1981-01-19 Surface acoustic wave resonator

Publications (1)

Publication Number Publication Date
JPS57119509A true JPS57119509A (en) 1982-07-26

Family

ID=11603646

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56005166A Pending JPS57119509A (en) 1981-01-19 1981-01-19 Surface acoustic wave resonator

Country Status (5)

Country Link
US (1) US4425554A (ja)
EP (1) EP0056690B1 (ja)
JP (1) JPS57119509A (ja)
CA (1) CA1180436A (ja)
DE (1) DE3260147D1 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10090823B2 (en) 2014-10-21 2018-10-02 Murata Manufacturing Co., Ltd. Elastic wave resonator and ladder filter

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2117992B (en) * 1982-03-24 1985-09-18 Philips Electronic Associated Parallel-series acoustic wave device arrangement
GB2145892A (en) * 1983-08-31 1985-04-03 Philips Electronic Associated Surface acoustic wave device
JPS61251223A (ja) * 1985-04-27 1986-11-08 Pioneer Electronic Corp 弾性表面波共振子
JP2645674B2 (ja) * 1990-10-15 1997-08-25 国際電気株式会社 弾性表面波共振子
US5374908A (en) * 1992-11-25 1994-12-20 Rf Monolithics, Inc. Surface acoustic wave device for generating an output signal with only a symmetric or only an asymmetric vibration mode acoustic wave
US5365138A (en) * 1993-12-02 1994-11-15 Northern Telecom Limited Double mode surface wave resonators
JPH07264000A (ja) * 1994-03-16 1995-10-13 Fujitsu Ltd 弾性表面波フィルタ素子及びそれをパッケージングして成る弾性表面波フィルタ
DE19547470C2 (de) * 1995-12-19 1998-01-15 Siemens Matsushita Components Mit akustischen Oberflächenwellen arbeitendes Filter-OFW-Filter
JPH09205342A (ja) * 1996-01-26 1997-08-05 Matsushita Electric Ind Co Ltd 弾性表面波フィルタ
DE19638399C3 (de) * 1996-09-19 2002-04-18 Epcos Ag Oberflächenwellenfilter
JP2982864B2 (ja) * 1996-10-14 1999-11-29 日本電気株式会社 弾性表面波装置
DE19724255C2 (de) * 1997-06-09 1999-10-21 Siemens Matsushita Components Transversalmodenresonatorfilter
US6104260A (en) * 1997-12-22 2000-08-15 Matsushita Electric Industrial Co., Ltd. Surface acoustic wave filter with first and second filter tracks and balanced or unbalanced terminals
JP2000244275A (ja) * 1999-02-19 2000-09-08 Murata Mfg Co Ltd Ｓａｗ共振子フィルタ
JP3402311B2 (ja) * 2000-05-19 2003-05-06 株式会社村田製作所 弾性表面波装置
TW483238B (en) * 2000-06-30 2002-04-11 Fujitsu Media Devices Ltd Surface acoustic wave device
CN1287516C (zh) * 2001-06-21 2006-11-29 松下电器产业株式会社 弹性表面波装置及其制造方法和使用该装置的电子器件
JP3757893B2 (ja) * 2002-04-10 2006-03-22 株式会社村田製作所 弾性表面波装置、および、これを搭載した通信装置
JP4049612B2 (ja) * 2002-04-19 2008-02-20 富士通メディアデバイス株式会社 弾性表面波装置
US20080002502A1 (en) * 2004-04-08 2008-01-03 Yasuo Saho Information reproducing device for ferroelectric recording medium
JP4303178B2 (ja) * 2004-08-31 2009-07-29 富士通メディアデバイス株式会社 弾性表面波装置
DE102004048715B4 (de) * 2004-10-06 2014-05-22 Epcos Ag SAW-Filter mit Impedanz-Transformation
WO2006068087A1 (ja) * 2004-12-20 2006-06-29 Murata Manufacturing Co., Ltd. バランス型弾性波フィルタ装置
JP4537254B2 (ja) * 2005-04-28 2010-09-01 富士通メディアデバイス株式会社 弾性表面波フィルタおよび分波器
JP4294632B2 (ja) * 2005-10-26 2009-07-15 富士通メディアデバイス株式会社 弾性表面波装置
WO2007129548A1 (ja) * 2006-05-08 2007-11-15 Murata Manufacturing Co., Ltd. 弾性波フィルタ装置及びデュプレクサ
WO2010013197A2 (en) * 2008-08-01 2010-02-04 Ecole polytechnique fédérale de Lausanne (EPFL) Piezoelectric resonator operating in thickness shear mode
US10097158B2 (en) * 2014-10-16 2018-10-09 Taiyo Yuden Co., Ltd. Acoustic wave device, filter, and duplexer
CN104990638B (zh) * 2015-06-30 2018-06-22 深圳华远微电科技有限公司 一种基于无线温度传感器的芯片
WO2020101773A2 (en) * 2018-08-09 2020-05-22 The Regents Of The University Of California Extremely electrically small antennas based on multiferroic materials

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3886504A (en) * 1974-05-20 1975-05-27 Texas Instruments Inc Acoustic surface wave resonator devices
GB1554366A (en) * 1977-02-04 1979-10-17 Philips Electronic Associated Acoustic surface wave devices
US4151492A (en) * 1978-01-16 1979-04-24 Raytheon Company Surface acoustic wave grating
FR2428350A1 (fr) * 1978-06-06 1980-01-04 Thomson Csf Filtre a ondes elastiques de surface et etage de frequence intermediaire d'un recepteur de television comprenant un tel filtre
JPS5925525B2 (ja) * 1979-08-31 1984-06-19 株式会社東芝 弾性表面波共振子
JPS5773514A (en) * 1980-10-25 1982-05-08 Fujitsu Ltd Surface acoustic wave filter

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10090823B2 (en) 2014-10-21 2018-10-02 Murata Manufacturing Co., Ltd. Elastic wave resonator and ladder filter
DE112015004782B4 (de) 2014-10-21 2022-11-17 Murata Manufacturing Co., Ltd. Resonator für elastische Wellen und Kettenfilter

Also Published As

Publication number Publication date
EP0056690A2 (en) 1982-07-28
EP0056690B1 (en) 1984-05-16
US4425554A (en) 1984-01-10
CA1180436A (en) 1985-01-02
EP0056690A3 (en) 1982-08-04
DE3260147D1 (en) 1984-06-20

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