SG74698A1 - Surface acoustic wave device - Google Patents

Surface acoustic wave device

Info

Publication number
SG74698A1
SG74698A1 SG1999000234A SG1999000234A SG74698A1 SG 74698 A1 SG74698 A1 SG 74698A1 SG 1999000234 A SG1999000234 A SG 1999000234A SG 1999000234 A SG1999000234 A SG 1999000234A SG 74698 A1 SG74698 A1 SG 74698A1
Authority
SG
Singapore
Prior art keywords
acoustic wave
surface acoustic
wave device
wave
acoustic
Prior art date
Application number
SG1999000234A
Other languages
English (en)
Inventor
Toshiyuki Tajima
Kunio Minami
Kenji Sakaguchi
Original Assignee
Murata Manufacturing Co
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 filed Critical Murata Manufacturing Co
Publication of SG74698A1 publication Critical patent/SG74698A1/en

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H3/00—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators
    • 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
    • H03H9/14517—Means for weighting
    • H03H9/14529—Distributed tap
    • H03H9/14532—Series weighting; Transverse weighting
    • 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
    • H03H9/02992—Details of bus bars, contact pads or other electrical connections for finger electrodes

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
SG1999000234A 1998-02-06 1999-01-28 Surface acoustic wave device SG74698A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10025810A JPH11225038A (ja) 1998-02-06 1998-02-06 弾性表面波装置

Publications (1)

Publication Number Publication Date
SG74698A1 true SG74698A1 (en) 2000-08-22

Family

ID=12176239

Family Applications (1)

Application Number Title Priority Date Filing Date
SG1999000234A SG74698A1 (en) 1998-02-06 1999-01-28 Surface acoustic wave device

Country Status (5)

Country Link
US (1) US6072377A (fr)
EP (1) EP0935341A3 (fr)
JP (1) JPH11225038A (fr)
KR (1) KR100320722B1 (fr)
SG (1) SG74698A1 (fr)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3412611B2 (ja) * 2000-09-25 2003-06-03 株式会社村田製作所 弾性表面波装置
JP2002152001A (ja) * 2000-11-09 2002-05-24 Nec Corp 弾性表面波フィルタおよび弾性表面波フィルタ装置
JP3780415B2 (ja) * 2001-06-12 2006-05-31 株式会社村田製作所 縦結合共振子型弾性表面波フィルタ、およびそれを用いた通信機装置
JP4821079B2 (ja) * 2001-07-04 2011-11-24 株式会社村田製作所 弾性表面波用のくし型電極部、弾性表面波装置、通信装置
EP1324489A1 (fr) * 2001-12-21 2003-07-02 Temex Procédé de réalisation d'arrangements de filtrage à ondes acoustiques de surface et arrangement de filtrage obtenu selon ce procédé
US6781818B2 (en) * 2002-11-22 2004-08-24 Siemens Energy & Automation Bus brace comb assembly
DE10331323B4 (de) * 2003-07-10 2013-09-05 Epcos Ag Mit akustischen Wellen arbeitender Wandler mit Unterdrückung transversaler Moden
JP4504717B2 (ja) * 2004-03-31 2010-07-14 株式会社日立メディアエレクトロニクス 弾性表面波フィルタ素子、弾性表面波共振器、弾性表面波フィルタ、通信用フィルタ及び携帯電話機
US7453334B1 (en) * 2005-03-21 2008-11-18 Triquint Semiconductor, Inc. Leaky SAW resonator and method
DE102005061800A1 (de) * 2005-12-23 2007-06-28 Epcos Ag Mit akustischen Wellen arbeitender Wandler und Filter mit dem Wandler
JP4465625B2 (ja) 2006-09-29 2010-05-19 Ｔｄｋ株式会社 弾性表面波フィルタおよび弾性表面波共振器
DE102010053674B4 (de) * 2010-12-07 2017-08-24 Snaptrack Inc. Elektroakustischer Wandler
DE102010055628B4 (de) * 2010-12-22 2018-09-06 Snaptrack, Inc. Elektroakustischer Resonator
KR101924025B1 (ko) * 2014-02-04 2018-11-30 가부시키가이샤 무라타 세이사쿠쇼 탄성파 장치
KR101652297B1 (ko) 2015-03-31 2016-08-31 (주)와이솔 Saw 필터
JP6098775B1 (ja) * 2015-07-03 2017-03-22 株式会社村田製作所 高周波モジュール

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1360235A (en) * 1971-04-17 1974-07-17 Marconi Co Ltd Acoustic surface wave devices
US4160963A (en) * 1977-07-21 1979-07-10 Texas Instruments Incorporated Plural supply path acoustic surface wave device
JPS60140917A (ja) * 1983-12-28 1985-07-25 Toshiba Corp 弾性表面波トランスジユ−サ
JPS6261412A (ja) * 1985-09-11 1987-03-18 Toshiba Corp 弾性表面波装置
US4918349A (en) * 1987-11-13 1990-04-17 Hitachi, Ltd. Surface acoustic wave device having apodized transducer provided with irregular pitch electrode group
US4999535A (en) * 1989-09-25 1991-03-12 The United States Of America As Represented By The Secretary Of The Army Saw transducer with improved bus-bar design

Also Published As

Publication number Publication date
JPH11225038A (ja) 1999-08-17
EP0935341A3 (fr) 2000-12-27
KR19990072441A (ko) 1999-09-27
US6072377A (en) 2000-06-06
EP0935341A2 (fr) 1999-08-11
KR100320722B1 (ko) 2002-01-19

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