NL1009560C2 - Oppervlaktegeluidsgolfinrichting. - Google Patents

Oppervlaktegeluidsgolfinrichting. Download PDF

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Publication number
NL1009560C2
NL1009560C2 NL1009560A NL1009560A NL1009560C2 NL 1009560 C2 NL1009560 C2 NL 1009560C2 NL 1009560 A NL1009560 A NL 1009560A NL 1009560 A NL1009560 A NL 1009560A NL 1009560 C2 NL1009560 C2 NL 1009560C2
Authority
NL
Netherlands
Prior art keywords
sound wave
surface sound
electrode fingers
substrate
reflector
Prior art date
Application number
NL1009560A
Other languages
English (en)
Dutch (nl)
Other versions
NL1009560A1 (nl
Inventor
Michio Kadota
Hideya Horiuchi
Mamoru Ikeura
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 NL1009560A1 publication Critical patent/NL1009560A1/xx
Application granted granted Critical
Publication of NL1009560C2 publication Critical patent/NL1009560C2/nl

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
    • 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
    • H03H9/02535—Details of surface acoustic wave devices
    • H03H9/02543—Characteristics of substrate, e.g. cutting angles
    • H03H9/02559—Characteristics of substrate, e.g. cutting angles of lithium niobate or lithium-tantalate substrates
    • 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
    • H03H9/02637—Details concerning reflective or coupling arrays
    • H03H9/02669—Edge reflection structures, i.e. resonating structures without metallic reflectors, e.g. Bleustein-Gulyaev-Shimizu [BGS], shear horizontal [SH], shear transverse [ST], Love waves devices
    • 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
    • H03H9/02637—Details concerning reflective or coupling arrays
    • H03H9/02685—Grating lines having particular arrangements
    • H03H9/02716—Tilted, fan shaped or slanted grating lines
    • 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
    • H03H9/02637—Details concerning reflective or coupling arrays
    • H03H9/02685—Grating lines having particular arrangements
    • H03H9/02771—Reflector banks
    • 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
    • H03H9/02637—Details concerning reflective or coupling arrays
    • H03H9/02795—Multi-strip couplers as track changers
    • 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
    • H03H9/644—Coupled resonator filters having two acoustic tracks
    • H03H9/6443—Coupled resonator filters having two acoustic tracks being acoustically coupled
    • H03H9/6446—Coupled resonator filters having two acoustic tracks being acoustically coupled by floating multistrip couplers
    • 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
    • H03H9/644—Coupled resonator filters having two acoustic tracks
    • H03H9/6456—Coupled resonator filters having two acoustic tracks being electrically coupled
    • H03H9/6469—Coupled resonator filters having two acoustic tracks being electrically coupled via two connecting electrodes
    • 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
    • H03H9/02535—Details of surface acoustic wave devices
    • H03H9/02818—Means for compensation or elimination of undesirable effects
    • H03H9/02897—Means for compensation or elimination of undesirable effects of strain or mechanical damage, e.g. strain due to bending influence
    • 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
    • H03H9/02984—Protection measures against damaging
    • 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
    • H03H9/05—Holders; Supports
    • H03H9/10—Mounting in enclosures
    • H03H9/1064—Mounting in enclosures for surface acoustic wave [SAW] devices
    • H03H9/1071—Mounting in enclosures for surface acoustic wave [SAW] devices the enclosure being defined by a frame built on a substrate and a cap, the frame having no mechanical contact with the SAW device
    • 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
    • H03H9/14538—Formation
    • H03H9/14541—Multilayer finger or busbar electrode

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
NL1009560A 1997-07-07 1998-07-06 Oppervlaktegeluidsgolfinrichting. NL1009560C2 (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP18143397A JP3171144B2 (ja) 1997-07-07 1997-07-07 表面波装置
JP18143397 1997-07-07

Publications (2)

Publication Number Publication Date
NL1009560A1 NL1009560A1 (nl) 1999-01-08
NL1009560C2 true NL1009560C2 (nl) 2002-05-01

Family

ID=16100697

Family Applications (1)

Application Number Title Priority Date Filing Date
NL1009560A NL1009560C2 (nl) 1997-07-07 1998-07-06 Oppervlaktegeluidsgolfinrichting.

Country Status (8)

Country Link
US (1) US6127769A (ja)
JP (1) JP3171144B2 (ja)
KR (1) KR100290803B1 (ja)
CN (1) CN1144358C (ja)
DE (1) DE19830315C2 (ja)
NL (1) NL1009560C2 (ja)
SG (1) SG75854A1 (ja)
TW (1) TW437165B (ja)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999004489A1 (fr) * 1997-07-18 1999-01-28 Kabushiki Kaisha Toshiba Filtre d'ondes acoustiques de surface
JP3341709B2 (ja) * 1998-06-01 2002-11-05 株式会社村田製作所 表面波装置及びそれを用いた通信装置
JP2000295071A (ja) * 1999-04-07 2000-10-20 Murata Mfg Co Ltd 端面反射型表面波装置
JP3353742B2 (ja) * 1999-05-07 2002-12-03 株式会社村田製作所 表面波共振子、表面波装置、通信機装置
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
JP3317274B2 (ja) * 1999-05-26 2002-08-26 株式会社村田製作所 弾性表面波装置及び弾性表面波装置の製造方法
DE19932649A1 (de) * 1999-07-13 2001-02-08 Epcos Ag SAW-Filter des Reaktanzfiltertyps mit verbesserter Sperrbereichsunterdrückung und Verfahren zur Optimierung der Sperrbereichsunterdrückung
US6429569B1 (en) * 1999-07-22 2002-08-06 Murata Manufacturing Co., Ltd. Surface acoustic wave device and communication apparatus
JP3376969B2 (ja) * 1999-09-02 2003-02-17 株式会社村田製作所 弾性表面波装置及びその製造方法
JP2001308675A (ja) * 2000-04-26 2001-11-02 Murata Mfg Co Ltd 表面波フィルタ及び共用器、通信機装置
JP3402311B2 (ja) * 2000-05-19 2003-05-06 株式会社村田製作所 弾性表面波装置
JP3797155B2 (ja) * 2000-09-06 2006-07-12 株式会社村田製作所 端面反射型表面波装置の周波数調整方法
CN1255946C (zh) * 2001-01-10 2006-05-10 精工爱普生株式会社 弹性表面波装置及其制造方法
JP3412621B2 (ja) * 2001-03-02 2003-06-03 株式会社村田製作所 弾性表面波装置
US6747412B2 (en) * 2001-05-11 2004-06-08 Bernard K. Vancil Traveling wave tube and method of manufacture
US6534896B2 (en) * 2001-05-15 2003-03-18 Nortel Networks Limited Spatial harmonic transducers for surface wave devices
KR100437492B1 (ko) * 2001-11-16 2004-06-25 주식회사 케이이씨 표면 탄성파 소자
US7299528B2 (en) * 2002-11-05 2007-11-27 Lee David M Method for forming a multi-frequency surface acoustic wave device
CN100511999C (zh) * 2003-07-30 2009-07-08 松下电器产业株式会社 表面声波滤波器
JP6335492B2 (ja) * 2013-11-29 2018-05-30 太陽誘電株式会社 弾性波素子
US10261078B2 (en) 2015-08-17 2019-04-16 National Technology & Engineering Solutions Of Sandia, Llc Shear horizontal surface acoustic wave (SH-SAW) resonators and arrays thereof
DE102015116223B4 (de) * 2015-09-25 2019-05-09 Snaptrack, Inc. SAW-Filter mit unterdrückter Scher-Mode
CN115987246A (zh) * 2023-02-02 2023-04-18 无锡市好达电子股份有限公司 高隔离度声表面波双工器及多工器

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0614272A1 (de) * 1993-03-04 1994-09-07 Siemens Aktiengesellschaft Oberflächenwellen-Resonatorfilter
GB2287580A (en) * 1994-03-04 1995-09-20 Murata Manufacturing Co Piezoelectric saw resonators
EP0732805A2 (en) * 1995-03-15 1996-09-18 Matsushita Electric Industrial Co., Ltd. Surface acoustic wave filter

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5451759A (en) * 1977-10-03 1979-04-23 Hitachi Ltd Surface slide wave resonator filter
JPH0426211A (ja) * 1990-05-21 1992-01-29 Murata Mfg Co Ltd 表面波装置
JP2800905B2 (ja) * 1991-10-28 1998-09-21 富士通株式会社 弾性表面波フィルタ
US5793147A (en) * 1994-05-30 1998-08-11 Murata Manufacturing Co., Ltd. Surface wave resonator having single component including a plurality of resonant units
JPH08204498A (ja) * 1995-01-24 1996-08-09 Murata Mfg Co Ltd 端面反射型表面波装置
JP3106912B2 (ja) * 1995-06-30 2000-11-06 株式会社村田製作所 端面反射型表面波装置の製造方法
JPH0969751A (ja) * 1995-08-30 1997-03-11 Murata Mfg Co Ltd 弾性表面波フィルタ
JP3106924B2 (ja) * 1995-08-31 2000-11-06 株式会社村田製作所 表面波共振子

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0614272A1 (de) * 1993-03-04 1994-09-07 Siemens Aktiengesellschaft Oberflächenwellen-Resonatorfilter
GB2287580A (en) * 1994-03-04 1995-09-20 Murata Manufacturing Co Piezoelectric saw resonators
EP0732805A2 (en) * 1995-03-15 1996-09-18 Matsushita Electric Industrial Co., Ltd. Surface acoustic wave filter

Also Published As

Publication number Publication date
JP3171144B2 (ja) 2001-05-28
US6127769A (en) 2000-10-03
CN1144358C (zh) 2004-03-31
JPH1127093A (ja) 1999-01-29
DE19830315A1 (de) 1999-01-14
CN1204891A (zh) 1999-01-13
KR19990013644A (ko) 1999-02-25
TW437165B (en) 2001-05-28
DE19830315C2 (de) 2001-02-15
SG75854A1 (en) 2000-10-24
NL1009560A1 (nl) 1999-01-08
KR100290803B1 (ko) 2001-06-01

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Date Code Title Description
AD1A A request for search or an international type search has been filed
RD2N Patents in respect of which a decision has been taken or a report has been made (novelty report)

Effective date: 20020220

PD2B A search report has been drawn up
V1 Lapsed because of non-payment of the annual fee

Effective date: 20110201