DE69423062D1 - Akustische Oberflächenwellenanordnung - Google Patents

Akustische Oberflächenwellenanordnung

Info

Publication number
DE69423062D1
DE69423062D1 DE69423062T DE69423062T DE69423062D1 DE 69423062 D1 DE69423062 D1 DE 69423062D1 DE 69423062 T DE69423062 T DE 69423062T DE 69423062 T DE69423062 T DE 69423062T DE 69423062 D1 DE69423062 D1 DE 69423062D1
Authority
DE
Germany
Prior art keywords
acoustic wave
surface acoustic
wave arrangement
arrangement
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 - Lifetime
Application number
DE69423062T
Other languages
English (en)
Other versions
DE69423062T2 (de
Inventor
Hidenori Abe
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.)
Kyocera Crystal Device Corp
Original Assignee
Kyocera Crystal Device 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 Kyocera Crystal Device Corp filed Critical Kyocera Crystal Device Corp
Application granted granted Critical
Publication of DE69423062D1 publication Critical patent/DE69423062D1/de
Publication of DE69423062T2 publication Critical patent/DE69423062T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H03H9/02535—Details of surface acoustic wave devices
    • H03H9/02543—Characteristics of substrate, e.g. cutting angles
    • 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
    • H03H9/1455—Transducers of particular shape or position constituted of N parallel or series 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
    • H03H9/46—Filters
    • H03H9/64—Filters using surface acoustic waves
    • H03H9/6423—Means for obtaining a particular transfer characteristic
    • H03H9/6426—Combinations of the characteristics of different transducers

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
DE69423062T 1993-08-06 1994-08-08 Akustische Oberflächenwellenanordnung Expired - Lifetime DE69423062T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP21350693 1993-08-06
JP21350793 1993-08-06

Publications (2)

Publication Number Publication Date
DE69423062D1 true DE69423062D1 (de) 2000-03-30
DE69423062T2 DE69423062T2 (de) 2000-06-29

Family

ID=26519836

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69423062T Expired - Lifetime DE69423062T2 (de) 1993-08-06 1994-08-08 Akustische Oberflächenwellenanordnung

Country Status (3)

Country Link
US (1) US5585684A (de)
EP (1) EP0637872B1 (de)
DE (1) DE69423062T2 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3227645B2 (ja) * 1996-09-17 2001-11-12 株式会社村田製作所 弾性表面波装置
DE19638370C2 (de) * 1996-09-19 2001-06-13 Epcos Ag Oberflächenwellenfilter für unsymmetrische/symmetrische und symmetrische/symmetrische Betriebsweise
JP3568025B2 (ja) * 1999-05-14 2004-09-22 株式会社村田製作所 表面波装置及び通信機装置
JP2001267885A (ja) * 2000-03-17 2001-09-28 Fujitsu Media Device Kk 弾性表面波装置
JP3480445B2 (ja) * 2001-01-10 2003-12-22 株式会社村田製作所 弾性表面波装置
JP3384403B2 (ja) * 2001-03-01 2003-03-10 株式会社村田製作所 弾性表面波装置、通信装置
JP3864850B2 (ja) * 2001-08-09 2007-01-10 株式会社村田製作所 弾性表面波フィルタ、通信装置
JP3826877B2 (ja) * 2002-01-22 2006-09-27 株式会社村田製作所 弾性表面波装置およびそれを有する通信装置
JPWO2008038459A1 (ja) * 2006-09-25 2010-01-28 株式会社村田製作所 弾性境界波フィルタ装置
KR101655302B1 (ko) * 2009-09-22 2016-09-07 삼성전자주식회사 표면 탄성파 센서 시스템

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS583307A (ja) * 1981-06-29 1983-01-10 Toyo Commun Equip Co Ltd 弾性表面波多重モ−ドフィルタ
EP0166880B1 (de) * 1984-06-05 1990-01-03 Kabushiki Kaisha Toshiba Akustische Oberflächen-Wellen-Anordnung
JPS61285814A (ja) * 1985-06-12 1986-12-16 Toyo Commun Equip Co Ltd 縦型２重モ−ドｓａｗフイルタ
JPH03296316A (ja) * 1990-04-13 1991-12-27 Nikko Kyodo Co Ltd 弾性表面波共振子フィルタ
JP3244094B2 (ja) * 1992-03-13 2002-01-07 キンセキ株式会社 弾性表面波装置
JPH05259802A (ja) * 1992-03-16 1993-10-08 Japan Energy Corp 弾性表面波装置

Also Published As

Publication number Publication date
EP0637872B1 (de) 2000-02-23
EP0637872A3 (de) 1995-12-13
EP0637872A2 (de) 1995-02-08
DE69423062T2 (de) 2000-06-29
US5585684A (en) 1996-12-17

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition