DE2550075A1 - Mit selektiver reflexion von elastischen oberflaechenwellen arbeitende einrichtung - Google Patents

Mit selektiver reflexion von elastischen oberflaechenwellen arbeitende einrichtung

Info

Publication number
DE2550075A1
DE2550075A1 DE19752550075 DE2550075A DE2550075A1 DE 2550075 A1 DE2550075 A1 DE 2550075A1 DE 19752550075 DE19752550075 DE 19752550075 DE 2550075 A DE2550075 A DE 2550075A DE 2550075 A1 DE2550075 A1 DE 2550075A1
Authority
DE
Germany
Prior art keywords
lines
substrate
grid
transducer
electromechanical
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.)
Ceased
Application number
DE19752550075
Other languages
German (de)
English (en)
Inventor
Pierre Hartemann
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
Thomson CSF 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 Thomson CSF SA filed Critical Thomson CSF SA
Publication of DE2550075A1 publication Critical patent/DE2550075A1/de
Ceased 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 elements; 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
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/36—Devices for manipulating acoustic surface waves
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/02—Details
    • H03H9/02535—Details of surface acoustic wave devices
    • H03H9/02614—Treatment of substrates, e.g. curved, spherical, cylindrical substrates ensuring closed round-about circuits for the acoustical waves
    • H03H9/02629—Treatment of substrates, e.g. curved, spherical, cylindrical substrates ensuring closed round-about circuits for the acoustical waves of the edges
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; 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
    • H03H9/02716—Tilted, fan shaped or slanted grating lines
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; 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 elements; Electromechanical resonators
    • H03H9/02—Details
    • H03H9/02535—Details of surface acoustic wave devices
    • H03H9/02637—Details concerning reflective or coupling arrays
    • H03H9/02795—Multi-strip couplers as track changers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; 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
    • H03H9/14561—Arched, curved or ring shaped transducers

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
DE19752550075 1974-11-08 1975-11-07 Mit selektiver reflexion von elastischen oberflaechenwellen arbeitende einrichtung Ceased DE2550075A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7437075A FR2290786A1 (fr) 1974-11-08 1974-11-08 Dispositif a reflexion selective d'ondes elastiques de surface

Publications (1)

Publication Number Publication Date
DE2550075A1 true DE2550075A1 (de) 1976-05-20

Family

ID=9144790

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19752550075 Ceased DE2550075A1 (de) 1974-11-08 1975-11-07 Mit selektiver reflexion von elastischen oberflaechenwellen arbeitende einrichtung

Country Status (5)

Country Link
US (1) US4013983A (enExample)
JP (1) JPS5831767B2 (enExample)
DE (1) DE2550075A1 (enExample)
FR (1) FR2290786A1 (enExample)
GB (1) GB1531999A (enExample)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4144507A (en) * 1976-09-29 1979-03-13 Texas Instruments Incorporated Surface acoustic wave resonator incorporating coupling transducer into reflecting arrays
US4130813A (en) * 1977-05-23 1978-12-19 Raytheon Company Surface wave device having enhanced reflectivity gratings
US4121467A (en) * 1977-05-31 1978-10-24 The United States Of America As Represented By The Secretary Of The Army Non-destructive technique for surface wave velocity measurement
US4155056A (en) * 1977-08-25 1979-05-15 Bell Telephone Laboratories, Incorporated Cascaded grating resonator filters with external input-output couplers
US4184131A (en) * 1978-07-20 1980-01-15 Massachusetts Institute Of Technology Electrical filter of cascaded surface acoustic wave resonators
US4327340A (en) * 1978-09-19 1982-04-27 Bell Telephone Laboratories Incorporated Surface wave resonator cascade
JPS5544253A (en) * 1978-09-22 1980-03-28 Matsushima Kogyo Co Ltd Surface acoustic wave filter
US4206426A (en) * 1978-11-29 1980-06-03 Sperry Corporation Multiple pole surface wave acoustic filters employing angled grooved distributed reflector arrays
US4319154A (en) * 1979-12-26 1982-03-09 Sperry Corporation Temperature insensitive reflective array S.A.W. device
FR2519475A1 (fr) * 1981-12-31 1983-07-08 Thomson Csf Dispositif selectif accordable a ondes magnetostatiques de volume
JPS60109916A (ja) * 1983-11-18 1985-06-15 Pioneer Electronic Corp 弾性表面波素子及びその製造方法
US4577169A (en) * 1984-08-01 1986-03-18 At&T Bell Laboratories Small ripple surface acoustic wave filter with low insertion loss
JPH0773177B2 (ja) * 1984-12-17 1995-08-02 株式会社東芝 弾性表面波共振子
JPH0210908A (ja) * 1988-06-28 1990-01-16 Clarion Co Ltd 弾性表面波素子
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
DE69522066T2 (de) * 1994-09-28 2002-03-28 Ngk Insulators, Ltd. Akustische Oberflächenwellenanordnung
US6243194B1 (en) * 1998-12-18 2001-06-05 Eastman Kodak Company Electro-mechanical grating device
US6407650B1 (en) * 1999-08-27 2002-06-18 Board Of Regents The University Of Texas System Surface acoustic wave shaping system
US6624726B2 (en) * 2001-08-31 2003-09-23 Motorola, Inc. High Q factor MEMS resonators
US6607969B1 (en) 2002-03-18 2003-08-19 The United States Of America As Represented By The Secretary Of The Navy Method for making pyroelectric, electro-optical and decoupling capacitors using thin film transfer and hydrogen ion splitting techniques
US6767749B2 (en) 2002-04-22 2004-07-27 The United States Of America As Represented By The Secretary Of The Navy Method for making piezoelectric resonator and surface acoustic wave device using hydrogen implant layer splitting
US7639105B2 (en) 2007-01-19 2009-12-29 Georgia Tech Research Corporation Lithographically-defined multi-standard multi-frequency high-Q tunable micromechanical resonators
US8368487B1 (en) * 2010-02-26 2013-02-05 Integrated Device Technology, Inc. Thin-film bulk acoustic resonators having multi-axis acoustic wave propagation therein
CN113948965B (zh) * 2021-10-18 2023-08-22 中国工程物理研究院应用电子学研究所 一种纯增益耦合分布反馈式半导体激光器及制备方法
CN120513586A (zh) * 2023-01-25 2025-08-19 株式会社村田制作所 弹性波装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1538114A (fr) * 1966-09-08 1968-08-30 Int Standard Electric Corp Dispositif à ondes acoustiques progressives
BE785945A (fr) * 1971-07-06 1973-01-08 Siemens Ag Filtre electrique utilisant le principe des ondes de surface
FR2235633A5 (enExample) * 1973-06-29 1975-01-24 Thomson Csf
US3883831A (en) * 1973-09-27 1975-05-13 Massachusetts Inst Technology Surface wave devices
US3886504A (en) * 1974-05-20 1975-05-27 Texas Instruments Inc Acoustic surface wave resonator devices

Also Published As

Publication number Publication date
JPS5831767B2 (ja) 1983-07-08
GB1531999A (en) 1978-11-15
FR2290786A1 (fr) 1976-06-04
US4013983A (en) 1977-03-22
JPS5199448A (en) 1976-09-02
FR2290786B1 (enExample) 1978-11-24

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Legal Events

Date Code Title Description
OD Request for examination
8131 Rejection