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JP5648745B2 - 弾性波フィルタ装置 - Google Patents

弾性波フィルタ装置 Download PDF

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Publication number
JP5648745B2
JP5648745B2 JP2013523844A JP2013523844A JP5648745B2 JP 5648745 B2 JP5648745 B2 JP 5648745B2 JP 2013523844 A JP2013523844 A JP 2013523844A JP 2013523844 A JP2013523844 A JP 2013523844A JP 5648745 B2 JP5648745 B2 JP 5648745B2
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Japan
Prior art keywords
electrode
wave filter
piezoelectric substrate
filter
output
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.)
Active
Application number
JP2013523844A
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English (en)
Japanese (ja)
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JPWO2013008494A1 (ja
Inventor
隆礼 乗地
隆礼 乗地
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
Priority to JP2013523844A priority Critical patent/JP5648745B2/ja
Application granted granted Critical
Publication of JP5648745B2 publication Critical patent/JP5648745B2/ja
Publication of JPWO2013008494A1 publication Critical patent/JPWO2013008494A1/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/0023—Networks for transforming balanced signals into unbalanced signals and vice versa, e.g. baluns, or networks having balanced input and output
    • H03H9/0028—Networks for transforming balanced signals into unbalanced signals and vice versa, e.g. baluns, or networks having balanced input and output using surface acoustic wave devices
    • H03H9/0047—Networks for transforming balanced signals into unbalanced signals and vice versa, e.g. baluns, or networks having balanced input and output using surface acoustic wave devices having two acoustic tracks
    • H03H9/0052—Networks for transforming balanced signals into unbalanced signals and vice versa, e.g. baluns, or networks having balanced input and output using surface acoustic wave devices having two acoustic tracks being electrically cascaded
    • H03H9/0057—Networks for transforming balanced signals into unbalanced signals and vice versa, e.g. baluns, or networks having balanced input and output using surface acoustic wave devices having two acoustic tracks being electrically cascaded the balanced terminals being on the same side of the tracks
    • 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
    • H03H9/05—Holders or supports
    • H03H9/10—Mounting in enclosures
    • H03H9/1064—Mounting in enclosures for surface acoustic wave [SAW] devices
    • H03H9/1092—Mounting in enclosures for surface acoustic wave [SAW] devices the enclosure being defined by a cover cap mounted on an element forming part of the surface acoustic wave [SAW] device on the side of the IDT's

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  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
JP2013523844A 2011-07-11 2012-04-02 弾性波フィルタ装置 Active JP5648745B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2013523844A JP5648745B2 (ja) 2011-07-11 2012-04-02 弾性波フィルタ装置

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2011152980 2011-07-11
JP2011152980 2011-07-11
PCT/JP2012/058815 WO2013008494A1 (fr) 2011-07-11 2012-04-02 Dispositif de filtre d'ondes élastiques
JP2013523844A JP5648745B2 (ja) 2011-07-11 2012-04-02 弾性波フィルタ装置

Publications (2)

Publication Number Publication Date
JP5648745B2 true JP5648745B2 (ja) 2015-01-07
JPWO2013008494A1 JPWO2013008494A1 (ja) 2015-02-23

Family

ID=47505795

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2013523844A Active JP5648745B2 (ja) 2011-07-11 2012-04-02 弾性波フィルタ装置

Country Status (3)

Country Link
JP (1) JP5648745B2 (fr)
CN (1) CN103609020B (fr)
WO (1) WO2013008494A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6361738B2 (ja) * 2014-10-20 2018-07-25 株式会社村田製作所 弾性波装置及びその製造方法
CN107852143B (zh) * 2015-07-28 2021-02-26 株式会社村田制作所 弹性波装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4222197B2 (ja) * 2003-02-24 2009-02-12 株式会社村田製作所 弾性表面波フィルタ、通信機
CN1842961B (zh) * 2004-07-23 2010-10-20 株式会社村田制作所 声表面波器件
EP2501039B1 (fr) * 2006-01-18 2015-04-15 Murata Manufacturing Co., Ltd. Dispositif à ondes acoustiques de surface et dispositif à ondes acoustiques limites
JP4876658B2 (ja) * 2006-03-23 2012-02-15 パナソニック株式会社 弾性表面波フィルタ及びそれを用いた通信機器

Also Published As

Publication number Publication date
JPWO2013008494A1 (ja) 2015-02-23
WO2013008494A1 (fr) 2013-01-17
CN103609020A (zh) 2014-02-26
CN103609020B (zh) 2015-10-14

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