DE69927760D1 - Akustischer Oberflächenwellenresonator und akustisches Transversal-Oberflächenwellenfilter - Google Patents

Akustischer Oberflächenwellenresonator und akustisches Transversal-Oberflächenwellenfilter

Info

Publication number
DE69927760D1
DE69927760D1 DE69927760T DE69927760T DE69927760D1 DE 69927760 D1 DE69927760 D1 DE 69927760D1 DE 69927760 T DE69927760 T DE 69927760T DE 69927760 T DE69927760 T DE 69927760T DE 69927760 D1 DE69927760 D1 DE 69927760D1
Authority
DE
Germany
Prior art keywords
acoustic
transversal
wave filter
wave
wave resonator
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
DE69927760T
Other languages
English (en)
Other versions
DE69927760T2 (de
Inventor
Michio Kadota
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.)
Murata Manufacturing Co Ltd
Original Assignee
Murata Manufacturing Co 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 Murata Manufacturing Co Ltd filed Critical Murata Manufacturing Co Ltd
Publication of DE69927760D1 publication Critical patent/DE69927760D1/de
Application granted granted Critical
Publication of DE69927760T2 publication Critical patent/DE69927760T2/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
    • H03H9/0259—Characteristics of substrate, e.g. cutting angles of langasite substrates

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
DE69927760T 1998-08-21 1999-08-20 Akustischer Oberflächenwellenresonator und akustisches Transversal-Oberflächenwellenfilter Expired - Lifetime DE69927760T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP23577298A JP3269466B2 (ja) 1998-08-21 1998-08-21 表面波共振子、表面波フィルタ、共用器、通信機装置
JP23577298 1998-08-21

Publications (2)

Publication Number Publication Date
DE69927760D1 true DE69927760D1 (de) 2005-11-24
DE69927760T2 DE69927760T2 (de) 2006-04-27

Family

ID=16991020

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69927760T Expired - Lifetime DE69927760T2 (de) 1998-08-21 1999-08-20 Akustischer Oberflächenwellenresonator und akustisches Transversal-Oberflächenwellenfilter

Country Status (5)

Country Link
US (1) US6317014B1 (de)
EP (1) EP0982856B1 (de)
JP (1) JP3269466B2 (de)
DE (1) DE69927760T2 (de)
SG (1) SG80058A1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6516665B1 (en) * 1999-06-17 2003-02-11 The Penn State Research Foundation Micro-electro-mechanical gyroscope
JP3918497B2 (ja) * 2000-11-02 2007-05-23 株式会社村田製作所 端面反射型表面波装置
US6873226B2 (en) 2001-03-19 2005-03-29 Murata Manufacturing Co., Ltd. Edge-reflection surface acoustic wave filter
JP3979279B2 (ja) * 2001-12-28 2007-09-19 株式会社村田製作所 弾性表面波装置
JP4182157B2 (ja) * 2002-08-12 2008-11-19 株式会社村田製作所 表面波装置
JP2004254291A (ja) * 2003-01-27 2004-09-09 Murata Mfg Co Ltd 弾性表面波装置
US7053522B1 (en) * 2003-02-26 2006-05-30 University Of Maine System Board Of Trustees Surface acoustic wave sensor
FR2864618B1 (fr) * 2003-12-24 2006-03-03 Temex Sa Capteur de temperature ou de temperature et de pression interrogeable a distance
US7285894B1 (en) 2004-02-13 2007-10-23 University Of Maine System Board Of Trustees Surface acoustic wave devices for high temperature applications
US7888842B2 (en) * 2004-02-13 2011-02-15 University Of Maine System Board Of Trustees Ultra-thin film electrodes and protective layer for high temperature device applications
JP4306668B2 (ja) * 2005-01-07 2009-08-05 セイコーエプソン株式会社 ラム波型高周波共振子
WO2007077825A1 (ja) * 2006-01-06 2007-07-12 Murata Manufacturing Co., Ltd. 弾性波フィルタ

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4965479A (en) * 1987-01-12 1990-10-23 Hewlett-Packard Company Surface transverse wave resonator
TW256966B (de) 1994-03-04 1995-09-11 Murata Manufacturing Co
US5793147A (en) * 1994-05-30 1998-08-11 Murata Manufacturing Co., Ltd. Surface wave resonator having single component including a plurality of resonant units
US5917265A (en) * 1996-01-10 1999-06-29 Sawtek Inc. Optimal cut for saw devices on langasite
RU2099857C1 (ru) * 1996-01-10 1997-12-20 Наталья Федоровна Науменко Высокочастотное устройство на поверхностных акустических волнах
EP0874455B1 (de) 1996-06-21 2002-10-09 TDK Corporation Akustische oberflächenwellenanordnung
JPH10190407A (ja) * 1996-10-23 1998-07-21 Mitsubishi Materials Corp 表面弾性波素子
EP0866551A3 (de) * 1997-03-21 2000-05-24 Mitsubishi Materials Corporation Akustisches Oberflächenwellenelement
TW404091B (en) * 1997-05-16 2000-09-01 Murata Manufacturing Co Ladder filter having edge-reflection type resonators
JP3880150B2 (ja) * 1997-06-02 2007-02-14 松下電器産業株式会社 弾性表面波素子
US5986523A (en) * 1997-08-29 1999-11-16 Murata Manufacturing Co., Ltd. Edge reflection type longitudinally coupled surface acoustic wave filter
JP3206548B2 (ja) * 1998-05-14 2001-09-10 株式会社村田製作所 表面波フィルタ、共用器、通信機装置

Also Published As

Publication number Publication date
EP0982856A2 (de) 2000-03-01
SG80058A1 (en) 2001-04-17
EP0982856A3 (de) 2000-09-13
JP2000068782A (ja) 2000-03-03
EP0982856B1 (de) 2005-10-19
US6317014B1 (en) 2001-11-13
DE69927760T2 (de) 2006-04-27
JP3269466B2 (ja) 2002-03-25

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Legal Events

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