AU2001275624A1 - Surface wave devices with static electric field - Google Patents

Surface wave devices with static electric field

Info

Publication number
AU2001275624A1
AU2001275624A1 AU2001275624A AU7562401A AU2001275624A1 AU 2001275624 A1 AU2001275624 A1 AU 2001275624A1 AU 2001275624 A AU2001275624 A AU 2001275624A AU 7562401 A AU7562401 A AU 7562401A AU 2001275624 A1 AU2001275624 A1 AU 2001275624A1
Authority
AU
Australia
Prior art keywords
electric field
surface wave
wave devices
static electric
static
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.)
Abandoned
Application number
AU2001275624A
Inventor
Steve A. Beaudin
Conrad F. Gratton
Wen Liu
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.)
Nortel Networks Ltd
Original Assignee
Nortel Networks 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 Nortel Networks Ltd filed Critical Nortel Networks Ltd
Publication of AU2001275624A1 publication Critical patent/AU2001275624A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/46Filters
    • H03H9/64Filters using surface acoustic waves
    • H03H9/6403Programmable filters
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/0023Balance-unbalance or balance-balance networks
    • H03H9/0028Balance-unbalance or balance-balance networks using surface acoustic wave devices
    • H03H9/0033Balance-unbalance or balance-balance networks using surface acoustic wave devices having one acoustic track only
    • H03H9/0042Balance-unbalance or balance-balance networks using surface acoustic wave devices having one acoustic track only the balanced terminals being on opposite sides of the track
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/02Details
    • H03H9/02535Details of surface acoustic wave devices
    • H03H9/02637Details concerning reflective or coupling arrays
    • H03H9/02685Grating lines having particular arrangements
    • H03H9/02771Reflector banks
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/02Details
    • H03H9/125Driving means, e.g. electrodes, coils
    • H03H9/145Driving means, e.g. electrodes, coils for networks using surface acoustic waves
    • H03H9/14502Surface acoustic wave [SAW] transducers for a particular purpose
    • H03H9/14505Unidirectional SAW transducers
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/02Details
    • H03H9/125Driving means, e.g. electrodes, coils
    • H03H9/145Driving means, e.g. electrodes, coils for networks using surface acoustic waves
    • H03H9/14544Transducers of particular shape or position
    • H03H9/14558Slanted, tapered or fan shaped transducers
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/02Details
    • H03H9/125Driving means, e.g. electrodes, coils
    • H03H9/145Driving means, e.g. electrodes, coils for networks using surface acoustic waves
    • H03H9/14517Means for weighting
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/46Filters
    • H03H9/64Filters using surface acoustic waves
    • H03H9/6423Means for obtaining a particular transfer characteristic
    • H03H9/643Means for obtaining a particular transfer characteristic the transfer characteristic being determined by reflective or coupling array characteristics

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
AU2001275624A 2000-07-24 2001-07-19 Surface wave devices with static electric field Abandoned AU2001275624A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/624,029 US6380828B1 (en) 2000-07-24 2000-07-24 Surface wave devices with static electric field
US09624029 2000-07-24
PCT/CA2001/001042 WO2002009278A2 (en) 2000-07-24 2001-07-19 Surface wave devices with static electric field

Publications (1)

Publication Number Publication Date
AU2001275624A1 true AU2001275624A1 (en) 2002-02-05

Family

ID=24500343

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001275624A Abandoned AU2001275624A1 (en) 2000-07-24 2001-07-19 Surface wave devices with static electric field

Country Status (4)

Country Link
US (1) US6380828B1 (en)
EP (1) EP1410501A2 (en)
AU (1) AU2001275624A1 (en)
WO (1) WO2002009278A2 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4184220B2 (en) * 2003-10-01 2008-11-19 富士通メディアデバイス株式会社 Surface acoustic wave device
JP5184828B2 (en) * 2007-06-29 2013-04-17 日本電波工業株式会社 Elastic wave device
US7821360B2 (en) * 2008-08-28 2010-10-26 Northrop Grumman Systems Corporation Multi-channel surface acoustic wave filter device with voltage controlled tunable frequency response
CN103368522A (en) * 2013-07-30 2013-10-23 四川九洲空管科技有限责任公司 Radio frequency acoustic surface wave delay line capable of being applied to L waveband
US10809322B1 (en) * 2019-07-30 2020-10-20 Bae Systems Information And Electronic Systems Integration Inc. Multi-octave-tunable magnetostatic/spin-wave microwave passive components with zero-quiescent-power and high-Q in chip-scale

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3727718A (en) * 1971-11-24 1973-04-17 Us Navy Surface wave ambiguity analyzer
US3979697A (en) 1975-11-03 1976-09-07 International Telephone And Telegraph Corporation Frequency modulated saw oscillator
US4055816A (en) 1976-07-26 1977-10-25 International Telephone And Telegraph Corporation Voltage stress stabilized saw device
US4410823A (en) * 1981-11-13 1983-10-18 Zenith Radio Corporation Surface acoustic wave device employing reflectors
JP2725697B2 (en) * 1984-12-14 1998-03-11 株式会社 日立製作所 Surface acoustic wave device
US4635008A (en) 1985-11-19 1987-01-06 Sperry Corporation Dispersive SAW filter with tapered transducers
US4908542A (en) 1987-06-24 1990-03-13 Unisys Saw tapered transducers
US4746882A (en) 1987-06-24 1988-05-24 Unisys Corporation Saw multiplexer using tapered transducers
JPS6423612A (en) * 1987-07-20 1989-01-26 Hitachi Ltd Elastic surface wave device
JPH0685597A (en) * 1992-09-02 1994-03-25 Mitsubishi Electric Corp Saw device
US5536989A (en) * 1995-03-28 1996-07-16 The United States Of America As Represented By The Secretary Of The Army Circuit arrangement for saw substrates
US5831492A (en) 1995-09-15 1998-11-03 Sawtek Inc. Weighted tapered spudt saw device

Also Published As

Publication number Publication date
EP1410501A2 (en) 2004-04-21
US6380828B1 (en) 2002-04-30
WO2002009278A3 (en) 2002-03-21
WO2002009278A2 (en) 2002-01-31

Similar Documents

Publication Publication Date Title
GB2373638B (en) Flat-plate antenna and electrical apparatus with the same
AU2001269664A1 (en) Antenna device
AU2002225919A1 (en) Planar inductor with segmented conductive plane
AU2001291139A1 (en) Configuring mechanical equipment
AU2001247770A1 (en) Biased rotatable combdrive devices and methods
AU2001276546A1 (en) An electro-optic device
AU2002217086A1 (en) Electrical device
AU2001248835A1 (en) Threatening device
AU4497201A (en) Conducting material
EP1178590A3 (en) Electrical device comprising an actuator
EP1158669B8 (en) Surface acoustic wave device
AU2001285795A1 (en) Electrical connecting device
AU2002215866A1 (en) Static concentrator
AU6648301A (en) Unitary antenna device
AU2001275624A1 (en) Surface wave devices with static electric field
AU7963000A (en) Surface acoustic wave device
AU2001264171A1 (en) An assembly comprising an electrical element
AU2001268988A1 (en) Portable electronic devices
AU2001287900A1 (en) Isolation device between optically conductive areas
AU2001215121A1 (en) Multifunction microwave device
AU2002220871A1 (en) Communications device
AU2002223531A1 (en) Communications device
AU2001255138A1 (en) Surface acoustic wave device
AU2001228968A1 (en) A capacitive element and electric devices comprising such an element
AU2001294490A1 (en) Electric switching device