SG110009A1 - Surface acoustic wave resonance and surface acoustic wave filter - Google Patents

Surface acoustic wave resonance and surface acoustic wave filter

Info

Publication number
SG110009A1
SG110009A1 SG200207547A SG200207547A SG110009A1 SG 110009 A1 SG110009 A1 SG 110009A1 SG 200207547 A SG200207547 A SG 200207547A SG 200207547 A SG200207547 A SG 200207547A SG 110009 A1 SG110009 A1 SG 110009A1
Authority
SG
Singapore
Prior art keywords
acoustic wave
surface acoustic
resonance
wave filter
filter
Prior art date
Application number
SG200207547A
Other languages
English (en)
Inventor
Inoue Shogo
Tsutsumi Jun
Matsuda Takashi
Ikata Osamu
Original Assignee
Fujitsu Media Devices Ltd
Fujitsu 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 Fujitsu Media Devices Ltd, Fujitsu Ltd filed Critical Fujitsu Media Devices Ltd
Publication of SG110009A1 publication Critical patent/SG110009A1/en

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
    • H03H9/46—Filters
    • H03H9/64—Filters using surface acoustic waves
    • 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
    • H03H9/6433—Coupled resonator filters
    • H03H9/6436—Coupled resonator filters having one acoustic track only
    • 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
    • H03H9/14564—Shifted fingers transducers
    • H03H9/14567—Stepped-fan shaped 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
    • H03H9/02—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
    • H03H9/1457—Transducers having different finger widths
    • 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
    • H03H9/6433—Coupled resonator filters
    • H03H9/6483—Ladder SAW filters
    • 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
    • H03H9/14547—Fan shaped; Tilted; Shifted; Slanted; Tapered; Arched; Stepped finger transducers

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
SG200207547A 2001-12-21 2002-12-13 Surface acoustic wave resonance and surface acoustic wave filter SG110009A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2001390707A JP2003198317A (ja) 2001-12-21 2001-12-21 弾性表面波共振子及び弾性表面波フィルタ

Publications (1)

Publication Number Publication Date
SG110009A1 true SG110009A1 (en) 2005-04-28

Family

ID=19188437

Family Applications (1)

Application Number Title Priority Date Filing Date
SG200207547A SG110009A1 (en) 2001-12-21 2002-12-13 Surface acoustic wave resonance and surface acoustic wave filter

Country Status (5)

Country Link
US (1) US6946931B2 (zh)
JP (1) JP2003198317A (zh)
KR (1) KR100679195B1 (zh)
CN (1) CN100365929C (zh)
SG (1) SG110009A1 (zh)

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DE102005061800A1 (de) * 2005-12-23 2007-06-28 Epcos Ag Mit akustischen Wellen arbeitender Wandler und Filter mit dem Wandler
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JP4915190B2 (ja) * 2006-09-20 2012-04-11 パナソニック株式会社 弾性表面波共振子
JP4915191B2 (ja) * 2006-09-20 2012-04-11 パナソニック株式会社 弾性表面波共振子
US7965155B2 (en) * 2006-12-27 2011-06-21 Panasonic Corporation Surface acoustic wave resonator, and surface acoustic wave filter and antenna duplexer in which the surface acoustic wave resonator is used
JP5115184B2 (ja) * 2007-12-25 2013-01-09 パナソニック株式会社 弾性境界波デバイス、及びそれを用いたフィルタ、アンテナ共用器
JP5156448B2 (ja) * 2008-03-24 2013-03-06 太陽誘電株式会社 弾性波素子、フィルタ、通信モジュール、および通信装置
KR20110081865A (ko) * 2008-10-24 2011-07-14 엡슨 토요콤 가부시키 가이샤 탄성 표면파 공진자, 탄성 표면파 발진기 및 탄성 표면파 모듈 장치
JP5141776B2 (ja) * 2009-06-04 2013-02-13 株式会社村田製作所 弾性波共振子、ラダー型フィルタ及びデュプレクサ
JP5422441B2 (ja) * 2010-02-26 2014-02-19 太陽誘電株式会社 弾性波デバイス
DE112011102091B4 (de) * 2010-06-22 2020-08-06 Murata Manufacturing Co., Ltd. Schallwellen-Abzweigfilterbauelement und Verzweigungsfilter
DE102010053674B4 (de) 2010-12-07 2017-08-24 Snaptrack Inc. Elektroakustischer Wandler
US9065424B2 (en) * 2011-03-25 2015-06-23 Skyworks Panasonic Filter Solutions Japan Co., Ltd Acoustic wave device with reduced higher order transverse modes
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
US10153748B2 (en) * 2013-10-31 2018-12-11 Kyocera Corporation Acoustic wave element, filter element, and communication device
JP6284800B2 (ja) * 2014-03-26 2018-02-28 太陽誘電株式会社 弾性表面波デバイス及びフィルタ
JP6441590B2 (ja) * 2014-05-23 2018-12-19 太陽誘電株式会社 弾性波デバイス
US10097158B2 (en) 2014-10-16 2018-10-09 Taiyo Yuden Co., Ltd. Acoustic wave device, filter, and duplexer
JP6411295B2 (ja) 2014-10-16 2018-10-24 太陽誘電株式会社 弾性波デバイス、フィルタ、及び分波器
KR102645422B1 (ko) * 2016-01-05 2024-03-07 가부시키가이샤 와이솔재팬 탄성 표면파 장치, 듀플렉서, 및 빗형 전극
WO2017188342A1 (ja) * 2016-04-27 2017-11-02 京セラ株式会社 弾性波素子および通信装置
CN111492576B (zh) * 2017-12-19 2023-09-26 株式会社村田制作所 弹性波装置
CN110672715A (zh) * 2019-09-24 2020-01-10 南京邮电大学 一种新型声表面波传感器
CN112152588B (zh) * 2020-09-25 2024-01-30 福建晶安光电有限公司 声表面波滤波器及声表面波滤波器用晶片的加工方法
KR20230101027A (ko) * 2021-12-29 2023-07-06 (주) 와이팜 Saw 공진기 설계방법, saw 필터 및 그 설계방법, 이를 기록한 컴퓨팅 장치에서 판독 가능한 기록매체

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JPH10173467A (ja) * 1996-12-13 1998-06-26 Toyo Commun Equip Co Ltd トランスバーサル型ｓａｗフィルタ
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Also Published As

Publication number Publication date
KR100679195B1 (ko) 2007-02-07
US20030117240A1 (en) 2003-06-26
CN100365929C (zh) 2008-01-30
KR20030053433A (ko) 2003-06-28
US6946931B2 (en) 2005-09-20
JP2003198317A (ja) 2003-07-11
CN1427545A (zh) 2003-07-02

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