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DE69320086D1 - Verfahren und Vorrichtung für ein akustisches Oberflächenwellenfilter - Google Patents

Verfahren und Vorrichtung für ein akustisches Oberflächenwellenfilter

Info

Publication number
DE69320086D1
DE69320086D1 DE69320086T DE69320086T DE69320086D1 DE 69320086 D1 DE69320086 D1 DE 69320086D1 DE 69320086 T DE69320086 T DE 69320086T DE 69320086 T DE69320086 T DE 69320086T DE 69320086 D1 DE69320086 D1 DE 69320086D1
Authority
DE
Germany
Prior art keywords
acoustic wave
surface acoustic
wave filter
filter
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 - Fee Related
Application number
DE69320086T
Other languages
English (en)
Other versions
DE69320086T2 (de
Inventor
Thomas Hickernell
David Penunuri
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.)
Motorola Solutions Inc
Original Assignee
Motorola Inc
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=25342871&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69320086(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Motorola Inc filed Critical Motorola Inc
Application granted granted Critical
Publication of DE69320086D1 publication Critical patent/DE69320086D1/de
Publication of DE69320086T2 publication Critical patent/DE69320086T2/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 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
    • H03H9/14502—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 elements; Electromechanical resonators
    • H03H9/02—Details
    • H03H9/02535—Details of surface acoustic wave devices
    • H03H9/02637—Details concerning reflective or coupling arrays
    • H03H9/02779—Continuous surface reflective arrays
    • 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
    • H03H9/02818—Means for compensation or elimination of undesirable effects
    • H03H9/02913—Measures for shielding against electromagnetic fields
    • 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
    • H03H9/02818—Means for compensation or elimination of undesirable effects
    • H03H9/02921—Measures for preventing electric discharge due to pyroelectricity

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
DE69320086T 1992-04-06 1993-03-22 Verfahren und Vorrichtung für ein akustisches Oberflächenwellenfilter Expired - Fee Related DE69320086T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/864,263 US5313177A (en) 1992-04-06 1992-04-06 Method and apparatus for an acoustic wave filter

Publications (2)

Publication Number Publication Date
DE69320086D1 true DE69320086D1 (de) 1998-09-10
DE69320086T2 DE69320086T2 (de) 1999-03-11

Family

ID=25342871

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69320086T Expired - Fee Related DE69320086T2 (de) 1992-04-06 1993-03-22 Verfahren und Vorrichtung für ein akustisches Oberflächenwellenfilter

Country Status (3)

Country Link
US (1) US5313177A (de)
EP (1) EP0564881B1 (de)
DE (1) DE69320086T2 (de)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2695771B1 (fr) * 1992-09-15 1994-10-28 Thomson Csf Transducteur d'ondes unidirectionnel.
US5793146A (en) * 1993-11-12 1998-08-11 Rf Monolithics, Inc. Surface acoustic wave transducer having selected reflectivity
JP3237387B2 (ja) * 1994-04-12 2001-12-10 株式会社村田製作所 弾性表面波共振子フィルタ
US5663695A (en) * 1994-10-31 1997-09-02 Ngk Insulators, Ltd. Surface acoustic wave filter device and transducer therefor
US5654680A (en) * 1996-01-30 1997-08-05 Motorola, Inc. Saw-based ladder filter including multiple coUpling coefficients (K2), Method therefor and radio incorporating same
GB2312109B (en) * 1996-03-29 2000-08-02 Advanced Saw Prod Sa Acoustic wave filter
JPH10135765A (ja) * 1996-10-30 1998-05-22 Nec Corp 一方向性弾性表面波フィルタ
US5952765A (en) * 1996-11-26 1999-09-14 Trw Inc. Reduced coupling saw filter
JPH10276062A (ja) * 1997-03-31 1998-10-13 Sanyo Electric Co Ltd 弾性表面波デバイス
RU2117383C1 (ru) * 1997-09-24 1998-08-10 Валерий Борисович Швец Однонаправленный преобразователь поверхностных акустических волн
US6147574A (en) * 1997-11-20 2000-11-14 Murata Manufacturing Co., Ltd. Unidirectional surface acoustic wave transducer and transversal-type saw filter having the same
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
DE19907640A1 (de) * 1998-03-25 1999-10-07 Dresden Ev Inst Festkoerper Akustisches Oberflächenwellenbauelement
JP3338839B2 (ja) 1999-06-04 2002-10-28 エヌ・アール・エス・テクノロジー株式会社 一方向性弾性表面波変換器
US6246150B1 (en) * 1999-10-28 2001-06-12 Kabushiki Kaisha Toshiba Surface acoustic wave device
JP3414373B2 (ja) * 2000-07-26 2003-06-09 株式会社村田製作所 弾性表面波装置
RU2195069C1 (ru) * 2002-04-08 2002-12-20 Зао Нпп "Элко" Однонаправленный преобразователь поверхностных акустических волн
JP3844725B2 (ja) * 2002-09-30 2006-11-15 富士通メディアデバイス株式会社 弾性表面波フィルタ、それを有する弾性表面波分波器
JP4527968B2 (ja) * 2003-11-26 2010-08-18 住友ゴム工業株式会社 空気入りタイヤ
JP2007194458A (ja) * 2006-01-20 2007-08-02 Sanyo Electric Co Ltd ザッピング回路
RU2317635C1 (ru) * 2006-05-22 2008-02-20 Федеральное государственное унитарное предприятие "Научно-производственное предприятие "Исток" (ФГУП "НПП "Исток") Преобразователь поверхностных акустических волн (варианты)
US8552819B2 (en) * 2011-10-26 2013-10-08 Triquint Semiconductor, Inc. High coupling, low loss saw filter and associated method
US9236849B2 (en) 2012-04-19 2016-01-12 Triquint Semiconductor, Inc. High coupling, low loss PBAW device and associated method
US9893264B2 (en) * 2012-06-15 2018-02-13 Carnegie Mellon University Method for forming a suspended lithium-based membrane semiconductor structure
JP6013829B2 (ja) * 2012-08-17 2016-10-25 太陽誘電株式会社 弾性波フィルタ、デュプレクサ及びモジュール
US10200013B2 (en) 2016-02-18 2019-02-05 X-Celeprint Limited Micro-transfer-printed acoustic wave filter device
US10361677B2 (en) 2016-02-18 2019-07-23 X-Celeprint Limited Transverse bulk acoustic wave filter
US10804880B2 (en) 2018-12-03 2020-10-13 X-Celeprint Limited Device structures with acoustic wave transducers and connection posts
US10868576B2 (en) 2018-04-27 2020-12-15 Board Of Trustees Of The University Of Illinois Frequency independence for synthesis within programmable non-reciprocal network circuit
US11482979B2 (en) 2018-12-03 2022-10-25 X Display Company Technology Limited Printing components over substrate post edges
US11274035B2 (en) 2019-04-24 2022-03-15 X-Celeprint Limited Overhanging device structures and related methods of manufacture
US10790173B2 (en) 2018-12-03 2020-09-29 X Display Company Technology Limited Printed components on substrate posts
US12162747B2 (en) 2018-12-03 2024-12-10 X-Celeprint Limited Enclosed cavity structures
US11528808B2 (en) 2018-12-03 2022-12-13 X Display Company Technology Limited Printing components to substrate posts
US12074583B2 (en) 2021-05-11 2024-08-27 X Display Company Technology Limited Printing components to adhesive substrate posts

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4162465A (en) * 1977-09-14 1979-07-24 University Of Illinois Foundation Surface acoustic wave device with reflection suppression
US4162466A (en) * 1977-09-28 1979-07-24 University Of Illinois Foundation Surface acoustic wave resonator
US4249146A (en) * 1979-02-23 1981-02-03 Trw Inc. Surface acoustic wave resonators utilizing harmonic frequencies
JPS58127426A (ja) * 1982-01-26 1983-07-29 Nec Corp 弾性表面波装置
JPS58154917A (ja) * 1982-03-10 1983-09-14 Hitachi Ltd 弾性表面波バンドパスフイルタ
US4513261A (en) * 1983-05-12 1985-04-23 Trw Inc. Low-loss acoustic wave filter device
GB8327551D0 (en) * 1983-10-14 1983-11-16 Secr Defence Acoustic transducer
JPS60117907A (ja) * 1983-11-30 1985-06-25 Hitachi Ltd 弾性表面波フィルタ
US4577169A (en) * 1984-08-01 1986-03-18 At&T Bell Laboratories Small ripple surface acoustic wave filter with low insertion loss
JPS62115A (ja) * 1985-02-25 1987-01-06 Oki Electric Ind Co Ltd 弾性表面波フイルタ
JPS61251223A (ja) * 1985-04-27 1986-11-08 Pioneer Electronic Corp 弾性表面波共振子
JPH0646692B2 (ja) * 1986-01-10 1994-06-15 株式会社日立製作所 弾性表面波共振子
JPS632414A (ja) * 1986-06-21 1988-01-07 Alps Electric Co Ltd 弾性表面波共振子
GB8615522D0 (en) * 1986-06-25 1986-07-30 Gen Electric Co Plc Surface acoustic wave filters
DE3750940T2 (de) * 1986-07-29 1995-05-11 Rf Monolithics Wandler.
JP2817041B2 (ja) * 1986-09-19 1998-10-27 株式会社日立製作所 弾性表面波装置
JPS6423612A (en) * 1987-07-20 1989-01-26 Hitachi Ltd Elastic surface wave device
US4931752A (en) * 1987-09-30 1990-06-05 Hewlett-Packard Company Polyimide damper for surface acoustic wave device
JPH0217707A (ja) * 1988-07-05 1990-01-22 Clarion Co Ltd 広帯域弾性表面波フィルタ
DE3832943A1 (de) * 1988-09-28 1990-03-29 Siemens Ag Oberflaechenwellenfilter
DE68914779T2 (de) * 1988-10-31 1994-12-01 Hitachi Ltd Akustische Oberflächenwellenfilteranordnung.
US5202652A (en) * 1989-10-13 1993-04-13 Hitachi, Ltd. Surface acoustic wave filter device formed on a plurality of piezoelectric substrates
FR2653632B1 (fr) * 1989-10-20 1991-12-20 Thomson Csf Transducteur d'ondes de surface unidirectionnel.
US5077545A (en) * 1990-05-02 1991-12-31 Sawtek, Inc. Surface acoustic wave waveguide-coupled resonator notch filter

Also Published As

Publication number Publication date
EP0564881A1 (de) 1993-10-13
DE69320086T2 (de) 1999-03-11
US5313177A (en) 1994-05-17
EP0564881B1 (de) 1998-08-05

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8365 Fully valid after opposition proceedings
8339 Ceased/non-payment of the annual fee