DE3068877D1 - Surface acoustic wave resonator device - Google Patents

Surface acoustic wave resonator device

Info

Publication number
DE3068877D1
DE3068877D1 DE8080302987T DE3068877T DE3068877D1 DE 3068877 D1 DE3068877 D1 DE 3068877D1 DE 8080302987 T DE8080302987 T DE 8080302987T DE 3068877 T DE3068877 T DE 3068877T DE 3068877 D1 DE3068877 D1 DE 3068877D1
Authority
DE
Germany
Prior art keywords
acoustic wave
surface acoustic
wave resonator
resonator device
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
Application number
DE8080302987T
Other languages
English (en)
Inventor
Kouji Sato
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
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 filed Critical Toshiba Corp
Application granted granted Critical
Publication of DE3068877D1 publication Critical patent/DE3068877D1/de
Expired 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
    • H03H9/46—Filters
    • H03H9/64—Filters using surface acoustic waves
    • H03H9/6423—Means for obtaining a particular transfer characteristic
    • H03H9/643—Means for obtaining a particular transfer characteristic the transfer characteristic being determined by reflective or coupling array characteristics
    • 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
    • H03H9/02637—Details concerning reflective or coupling arrays
    • H03H9/02685—Grating lines having particular arrangements
    • H03H9/02771—Reflector banks
    • 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
    • H03H9/14552—Transducers of particular shape or position comprising split fingers
DE8080302987T 1979-08-31 1980-08-28 Surface acoustic wave resonator device Expired DE3068877D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP54110301A JPS5925525B2 (ja) 1979-08-31 1979-08-31 弾性表面波共振子

Publications (1)

Publication Number Publication Date
DE3068877D1 true DE3068877D1 (en) 1984-09-13

Family

ID=14532222

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8080302987T Expired DE3068877D1 (en) 1979-08-31 1980-08-28 Surface acoustic wave resonator device

Country Status (4)

Country Link
US (1) US4340834A (de)
EP (1) EP0024927B1 (de)
JP (1) JPS5925525B2 (de)
DE (1) DE3068877D1 (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5725714A (en) * 1980-07-23 1982-02-10 Oki Electric Ind Co Ltd Elastic surface wave converter
JPS57119509A (en) * 1981-01-19 1982-07-26 Toshiba Corp Surface acoustic wave resonator
DE3314725A1 (de) * 1983-04-22 1984-10-25 Siemens AG, 1000 Berlin und 8000 München Oberflaechenwellen-resonatorfilter
US4599532A (en) * 1984-07-05 1986-07-08 Clarion Co., Ltd. Surface acoustic wave device with anti-reflection electrode structure
EP0257377B1 (de) * 1986-08-29 1993-02-17 Siemens Aktiengesellschaft Oberflächenwellen-Resonatorstruktur mit in Teilstücke unterbrochenen Metallisierungsstreifen von Reflektorfingern
DE3731309A1 (de) * 1987-09-17 1989-03-30 Siemens Ag Oberflaechenwellenanordnung mit konversionsstruktur zur vermeidung unerwuenschter reflektierter wellen
DE4213800A1 (de) * 1992-04-27 1993-10-28 Siemens Ag Gewichteter Reflektor für eine Oberflächenwellenanordnung
US5600287A (en) * 1994-02-03 1997-02-04 Motorola, Inc. Acoustic wave filter with reduced bulk-wave scattering loss, ladder filter incorporating same and method
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
DE4414160C1 (de) * 1994-04-22 1995-12-21 Siemens Matsushita Components Mit akustischen Oberflächenwellen arbeitendes Bauelement, insbesondere Oberflächenwellenfilter
TW465179B (en) * 1999-05-27 2001-11-21 Murata Manufacturing Co Surface acoustic wave device and method of producing the same
JP3923283B2 (ja) * 2001-07-03 2007-05-30 富士通メディアデバイス株式会社 弾性表面波デバイス
JP2004260793A (ja) * 2003-02-04 2004-09-16 Murata Mfg Co Ltd 弾性表面波フィルタ
US6847272B2 (en) * 2003-02-28 2005-01-25 Northrop Grumman Corporation Weighted SAW reflector using distributed acoustic reflective dots
JP4571200B2 (ja) * 2008-03-10 2010-10-27 富士通メディアデバイス株式会社 弾性波フィルタ
JP4766121B2 (ja) * 2009-02-10 2011-09-07 株式会社デンソー 弾性表面波素子、その製造方法およびその共振周波数調整方法
JP2011053354A (ja) * 2009-08-31 2011-03-17 Toshiba Corp 光電気配線フィルムおよび光電気配線モジュール
US9048807B2 (en) * 2010-03-18 2015-06-02 University Of Maine System Board Of Trustees Surface acoustic wave resonator with an open circuit grating for high temperature environments
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

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3444482A (en) * 1967-05-01 1969-05-13 Bell Telephone Labor Inc Adjustable delay line filter having plurality of binarily weighted segments affixed to a body of piezoelectric material
US3573673A (en) * 1969-01-08 1971-04-06 Zenith Radio Corp Acoustic surface wave filters
US3862431A (en) * 1973-06-04 1975-01-21 Univ Leland Stanford Junior Signal processing apparatus
US4166258A (en) * 1974-08-29 1979-08-28 International Business Machines Corporation Thin-film integrated circuit with tank circuit characteristics and applications to thin-film filters and oscillators
GB1529941A (en) * 1975-01-15 1978-10-25 Mullard Ltd Electrical filters including coupled resonators
US3952269A (en) * 1975-04-28 1976-04-20 Hughes Aircraft Company Surface acoustic wave delay line
JPS52105752A (en) * 1976-03-01 1977-09-05 Nec Corp Surface elastic wave vibrator
GB1583295A (en) * 1977-04-07 1981-01-21 Woodhead R W Cases for throwing darts
JPS5498138A (en) * 1978-01-20 1979-08-02 Toshiba Corp Input/output control system

Also Published As

Publication number Publication date
JPS5635525A (en) 1981-04-08
EP0024927B1 (de) 1984-08-08
US4340834A (en) 1982-07-20
EP0024927A3 (en) 1981-03-18
EP0024927A2 (de) 1981-03-11
JPS5925525B2 (ja) 1984-06-19

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Legal Events

Date Code Title Description
8380 Miscellaneous part iii

Free format text: DER PATENTINHABER LAUTET RICHTIG: KABUSHIKI KAISHA TOSHIBA, KAWASAKI, KANAGAWA, JP

8320 Willingness to grant licences declared (paragraph 23)