DE69901032D1 - Engspaltiger akustischer oberflächenwellenwandler - Google Patents

Engspaltiger akustischer oberflächenwellenwandler

Info

Publication number
DE69901032D1
DE69901032D1 DE69901032T DE69901032T DE69901032D1 DE 69901032 D1 DE69901032 D1 DE 69901032D1 DE 69901032 T DE69901032 T DE 69901032T DE 69901032 T DE69901032 T DE 69901032T DE 69901032 D1 DE69901032 D1 DE 69901032D1
Authority
DE
Germany
Prior art keywords
surface wave
acoustic surface
wave converter
narrow acoustic
narrow
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 - Fee Related
Application number
DE69901032T
Other languages
English (en)
Other versions
DE69901032T2 (de
Inventor
Peter Wright
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.)
Thales SA
Original Assignee
Thales SA
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 Thales SA filed Critical Thales SA
Application granted granted Critical
Publication of DE69901032D1 publication Critical patent/DE69901032D1/de
Publication of DE69901032T2 publication Critical patent/DE69901032T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H03H9/02—Details
    • H03H9/125—Driving means, e.g. electrodes, coils
    • H03H9/145—Driving means, e.g. electrodes, coils for 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
    • H03H9/125—Driving means, e.g. electrodes, coils
    • H03H9/145—Driving means, e.g. electrodes, coils for networks using surface acoustic waves
    • H03H9/14502—Surface acoustic wave [SAW] transducers for a particular purpose
    • H03H9/14505—Unidirectional SAW 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
    • H03H9/14517—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
    • 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)
DE69901032T 1998-05-29 1999-05-28 Engspaltiger akustischer oberflächenwellenwandler Expired - Fee Related DE69901032T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9806835A FR2779290B1 (fr) 1998-05-29 1998-05-29 Transducteur a ondes acoustiques de surface a faible gap
PCT/FR1999/001266 WO1999063663A1 (fr) 1998-05-29 1999-05-28 Transducteur a ondes acoustiques de surface a faible gap

Publications (2)

Publication Number Publication Date
DE69901032D1 true DE69901032D1 (de) 2002-04-18
DE69901032T2 DE69901032T2 (de) 2002-10-02

Family

ID=9526885

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69901032T Expired - Fee Related DE69901032T2 (de) 1998-05-29 1999-05-28 Engspaltiger akustischer oberflächenwellenwandler

Country Status (10)

Country Link
US (1) US6465930B1 (de)
EP (1) EP1082812B1 (de)
JP (1) JP2002517934A (de)
KR (1) KR20010043811A (de)
CN (1) CN1126248C (de)
CA (1) CA2333772A1 (de)
DE (1) DE69901032T2 (de)
FR (1) FR2779290B1 (de)
HK (1) HK1038836A1 (de)
WO (1) WO1999063663A1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10141855C1 (de) * 2001-08-27 2003-04-17 Paul Drude Inst Fuer Festkoerp Verfahren zur Herstellung von Oberflächenwellen-Bauelementen
US7053523B1 (en) * 2004-02-02 2006-05-30 The United States Of America As Represented By The Secretary Of The Army Lateral field excitation of bulk acoustic waves from an IC-compliant low voltage source
CN101632986B (zh) * 2009-08-18 2011-02-02 长沙山河超声波技术有限公司 一种超声波换能器装置及其制造方法
CN103429166B (zh) * 2012-01-30 2015-06-17 奥林巴斯医疗株式会社 超声波振子阵列、超声波振子阵列的制造方法以及超声波内窥镜
CN104009732B (zh) * 2014-06-23 2019-01-08 南通大学 人工可调表面声波滤波结构
US9853624B2 (en) * 2015-06-26 2017-12-26 Qorvo Us, Inc. SAW resonator with resonant cavities
CN106370598A (zh) * 2016-09-07 2017-02-01 中国科学院长春光学精密机械与物理研究所 基于表面声波的微球操纵装置及其制作方法、成像系统

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4130813A (en) * 1977-05-23 1978-12-19 Raytheon Company Surface wave device having enhanced reflectivity gratings
JPS5664509A (en) * 1979-12-20 1981-06-01 Kinseki Kk Surface elastic wave element
US4353046A (en) * 1980-11-04 1982-10-05 R F Monolithics, Inc. Surface acoustic wave device with reflectors
GB2106346B (en) * 1981-08-15 1985-07-31 Plessey Co Ltd Improvements in or relating to piezoelectric transducers
JP2725697B2 (ja) * 1984-12-14 1998-03-11 株式会社 日立製作所 弾性表面波装置
JPH0380709A (ja) * 1989-08-24 1991-04-05 Pioneer Electron Corp 弾性表面波共振子
JPH0468607A (ja) * 1990-07-04 1992-03-04 Fujitsu Ltd 弾性表面波デバイスの製造方法
JPH0563489A (ja) * 1991-02-25 1993-03-12 Tokimec Inc 表面弾性波デバイスおよびその製造方法
US5162689A (en) * 1991-05-01 1992-11-10 Motorola, Inc. Single-phase uni-directional acoustic wave transducer
JP3298251B2 (ja) * 1993-08-24 2002-07-02 株式会社村田製作所 弾性表面波装置

Also Published As

Publication number Publication date
FR2779290A1 (fr) 1999-12-03
EP1082812A1 (de) 2001-03-14
US6465930B1 (en) 2002-10-15
KR20010043811A (ko) 2001-05-25
WO1999063663A1 (fr) 1999-12-09
DE69901032T2 (de) 2002-10-02
JP2002517934A (ja) 2002-06-18
CA2333772A1 (fr) 1999-12-09
CN1126248C (zh) 2003-10-29
FR2779290B1 (fr) 2000-08-18
HK1038836A1 (en) 2002-03-28
EP1082812B1 (de) 2002-03-13
CN1303537A (zh) 2001-07-11

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee