SG75868A1 - Surface acoustic wave filter - Google Patents

Surface acoustic wave filter

Info

Publication number
SG75868A1
SG75868A1 SG1998003094A SG1998003094A SG75868A1 SG 75868 A1 SG75868 A1 SG 75868A1 SG 1998003094 A SG1998003094 A SG 1998003094A SG 1998003094 A SG1998003094 A SG 1998003094A SG 75868 A1 SG75868 A1 SG 75868A1
Authority
SG
Singapore
Prior art keywords
acoustic wave
surface acoustic
wave filter
filter
wave
Prior art date
Application number
SG1998003094A
Other languages
English (en)
Inventor
Kazuhiko Morozumi
Haruo Morii
Michio Kadota
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 SG75868A1 publication Critical patent/SG75868A1/en

Links

Classifications

    • 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
    • H03H9/02637—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 elements; 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 elements; 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 elements; Electromechanical resonators
    • H03H9/02—Details
    • H03H9/02535—Details of surface acoustic wave devices
    • H03H9/0296—Surface acoustic wave [SAW] devices having both acoustic and non-acoustic properties
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/25—Constructional features of resonators using surface acoustic waves

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
SG1998003094A 1997-08-29 1998-08-17 Surface acoustic wave filter SG75868A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP23394097 1997-08-29

Publications (1)

Publication Number Publication Date
SG75868A1 true SG75868A1 (en) 2000-10-24

Family

ID=16963007

Family Applications (1)

Application Number Title Priority Date Filing Date
SG1998003094A SG75868A1 (en) 1997-08-29 1998-08-17 Surface acoustic wave filter

Country Status (6)

Country Link
US (1) US5986523A (de)
KR (1) KR100303636B1 (de)
CN (1) CN1146107C (de)
DE (1) DE19838573B4 (de)
SG (1) SG75868A1 (de)
TW (1) TW437166B (de)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3289674B2 (ja) * 1998-05-21 2002-06-10 株式会社村田製作所 表面波フィルタ装置、共用器、通信機装置
JP3269466B2 (ja) * 1998-08-21 2002-03-25 株式会社村田製作所 表面波共振子、表面波フィルタ、共用器、通信機装置
JP3298538B2 (ja) * 1999-02-16 2002-07-02 株式会社村田製作所 端面反射縦結合型ｓａｗ共振子フィルタ
JP3341699B2 (ja) * 1999-02-18 2002-11-05 株式会社村田製作所 端面反射型表面波装置
JP2000244275A (ja) * 1999-02-19 2000-09-08 Murata Mfg Co Ltd Ｓａｗ共振子フィルタ
JP3587354B2 (ja) * 1999-03-08 2004-11-10 株式会社村田製作所 横結合共振子型表面波フィルタ及び縦結合共振子型表面波フィルタ
JP2000295071A (ja) * 1999-04-07 2000-10-20 Murata Mfg Co Ltd 端面反射型表面波装置
DE19938748B4 (de) * 1999-08-16 2007-02-01 Epcos Ag Dualmode-Oberflächenwellen-Filter mit verbesserter Symmetrie und erhöhter Sperrdämpfung
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
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
US6873226B2 (en) * 2001-03-19 2005-03-29 Murata Manufacturing Co., Ltd. Edge-reflection surface acoustic wave filter
JP4090250B2 (ja) * 2001-12-10 2008-05-28 富士通メディアデバイス株式会社 弾性表面波フィルタ
JP4192794B2 (ja) * 2004-01-26 2008-12-10 セイコーエプソン株式会社 圧電素子、圧電アクチュエーター、インクジェット式記録ヘッド、インクジェットプリンター、表面弾性波素子、周波数フィルタ、発振器、電子回路、薄膜圧電共振器、及び電子機器
KR100858324B1 (ko) * 2004-04-01 2008-09-17 엡슨 토요콤 가부시키가이샤 탄성 표면파 디바이스
DE102007028291B4 (de) * 2007-06-20 2013-04-25 Epcos Ag Mit akustischen Oberflächenwellen arbeitendes Transversalfilter
USD576013S1 (en) 2007-07-19 2008-09-02 Cuffe Michael W Toilet seat handle
USD575616S1 (en) 2007-07-19 2008-08-26 Cuffe Michael W Toilet seat handle
USD575617S1 (en) 2007-07-19 2008-08-26 Cuffe Michael W Toilet seat handle
JP5281489B2 (ja) * 2009-06-09 2013-09-04 太陽誘電株式会社 弾性表面波デバイス
JP6335492B2 (ja) 2013-11-29 2018-05-30 太陽誘電株式会社 弾性波素子
CN113992178A (zh) * 2021-10-14 2022-01-28 复旦大学 板波谐振器的反射结构、板波谐振器和mems设备

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2000409A (en) * 1977-04-07 1979-01-04 Philips Electronic Associated Resonators employing surface skimming bulk waves
GB1583295A (en) * 1977-04-07 1981-01-21 Woodhead R W Cases for throwing darts
JPS56141613A (en) * 1980-04-04 1981-11-05 Murata Mfg Co Ltd Surface wave equipment
JPS61100014A (ja) * 1984-10-23 1986-05-19 Fujitsu Ltd 弾性波装置
JPH0426211A (ja) * 1990-05-21 1992-01-29 Murata Mfg Co Ltd 表面波装置
JPH0487410A (ja) * 1990-07-30 1992-03-19 Murata Mfg Co Ltd 表面波装置
JPH05145368A (ja) * 1991-11-19 1993-06-11 Murata Mfg Co Ltd 表面波装置
JP3250252B2 (ja) * 1992-04-09 2002-01-28 株式会社村田製作所 表面波装置
US5793147A (en) * 1994-05-30 1998-08-11 Murata Manufacturing Co., Ltd. Surface wave resonator having single component including a plurality of resonant units
JP3075124B2 (ja) * 1995-03-08 2000-08-07 株式会社村田製作所 表面波共振子
JPH0969751A (ja) * 1995-08-30 1997-03-11 Murata Mfg Co Ltd 弾性表面波フィルタ

Also Published As

Publication number Publication date
TW437166B (en) 2001-05-28
KR19990024026A (ko) 1999-03-25
US5986523A (en) 1999-11-16
KR100303636B1 (ko) 2001-09-24
CN1215253A (zh) 1999-04-28
DE19838573A1 (de) 1999-03-04
CN1146107C (zh) 2004-04-14
DE19838573B4 (de) 2004-01-29

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