JPWO2021079830A1 - - Google Patents

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Publication number
JPWO2021079830A1
JPWO2021079830A1 JP2021554358A JP2021554358A JPWO2021079830A1 JP WO2021079830 A1 JPWO2021079830 A1 JP WO2021079830A1 JP 2021554358 A JP2021554358 A JP 2021554358A JP 2021554358 A JP2021554358 A JP 2021554358A JP WO2021079830 A1 JPWO2021079830 A1 JP WO2021079830A1
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JP
Japan
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Application number
JP2021554358A
Other versions
JP7466562B2 (ja
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Publication of JPWO2021079830A1 publication Critical patent/JPWO2021079830A1/ja
Application granted granted Critical
Publication of JP7466562B2 publication Critical patent/JP7466562B2/ja
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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
    • H03H9/02—Details
    • H03H9/02228—Guided bulk acoustic wave devices or Lamb wave devices having interdigital transducers situated in parallel planes on either side of a piezoelectric layer
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/25—Constructional features of resonators 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
    • H03H9/02—Details
    • H03H9/02007—Details of bulk acoustic wave devices
    • H03H9/02015—Characteristics of piezoelectric layers, e.g. cutting angles
    • 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
    • H03H9/02007—Details of bulk acoustic wave devices
    • H03H9/02157—Dimensional parameters, e.g. ratio between two dimension parameters, length, width or thickness
    • 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
    • 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
    • H03H9/125—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 devices; Electromechanical resonators
    • H03H9/15—Constructional features of resonators consisting of piezoelectric or electrostrictive material
    • H03H9/17—Constructional features of resonators consisting of piezoelectric or electrostrictive material having a single resonator
    • 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
    • H03H9/54—Filters comprising resonators of piezoelectric or electrostrictive material
    • 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
    • H03H9/6483—Ladder SAW filters

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)
JP2021554358A 2019-10-24 2020-10-16 弾性波装置 Active JP7466562B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2019193589 2019-10-24
JP2019193589 2019-10-24
PCT/JP2020/039034 WO2021079830A1 (ja) 2019-10-24 2020-10-16 弾性波装置

Publications (2)

Publication Number Publication Date
JPWO2021079830A1 true JPWO2021079830A1 (ja) 2021-04-29
JP7466562B2 JP7466562B2 (ja) 2024-04-12

Family

ID=75620524

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2021554358A Active JP7466562B2 (ja) 2019-10-24 2020-10-16 弾性波装置

Country Status (4)

Country Link
US (1) US20220393665A1 (ja)
JP (1) JP7466562B2 (ja)
CN (1) CN114586282A (ja)
WO (1) WO2021079830A1 (ja)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023085210A1 (ja) * 2021-11-09 2023-05-19 京セラ株式会社 弾性波装置、フィルタ、分波器及び通信装置
WO2023248815A1 (ja) * 2022-06-22 2023-12-28 京セラ株式会社 弾性波フィルタおよび通信装置
WO2024034528A1 (ja) * 2022-08-12 2024-02-15 京セラ株式会社 弾性波装置、複合フィルタ及び通信装置

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07202631A (ja) * 1993-11-25 1995-08-04 Fujitsu Ltd 弾性表面波装置及びその製造方法
JP2001144574A (ja) * 1999-11-11 2001-05-25 Toyo Commun Equip Co Ltd 入出力インピーダンスを異にした弾性表面波フィルタ
JP2002152007A (ja) * 2000-11-15 2002-05-24 Hitachi Ltd ラム波型弾性波共振器
JP2005045475A (ja) * 2003-07-28 2005-02-17 Murata Mfg Co Ltd 弾性表面波装置、通信機
JP2010278830A (ja) * 2009-05-29 2010-12-09 Murata Mfg Co Ltd ラダー型フィルタ及びその製造方法並びにデュプレクサ
JP2011171888A (ja) * 2010-02-17 2011-09-01 Seiko Epson Corp ラム波型共振子および発振器
WO2012086441A1 (ja) * 2010-12-24 2012-06-28 株式会社村田製作所 弾性波装置及びその製造方法
WO2013021948A1 (ja) * 2011-08-08 2013-02-14 株式会社村田製作所 弾性波装置
JP2013145930A (ja) * 2010-04-21 2013-07-25 Murata Mfg Co Ltd 弾性表面波装置及びその製造方法
WO2018043607A1 (ja) * 2016-09-02 2018-03-08 株式会社村田製作所 弾性波フィルタ装置、高周波フロントエンド回路及び通信装置
WO2019009246A1 (ja) * 2017-07-04 2019-01-10 京セラ株式会社 弾性波装置、分波器および通信装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103891139B (zh) * 2011-10-24 2016-08-24 株式会社村田制作所 弹性表面波装置
JP6530494B2 (ja) * 2015-08-31 2019-06-12 京セラ株式会社 弾性表面波素子
CN110313130B (zh) * 2017-02-22 2023-02-28 株式会社村田制作所 声表面波元件

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07202631A (ja) * 1993-11-25 1995-08-04 Fujitsu Ltd 弾性表面波装置及びその製造方法
JP2001144574A (ja) * 1999-11-11 2001-05-25 Toyo Commun Equip Co Ltd 入出力インピーダンスを異にした弾性表面波フィルタ
JP2002152007A (ja) * 2000-11-15 2002-05-24 Hitachi Ltd ラム波型弾性波共振器
JP2005045475A (ja) * 2003-07-28 2005-02-17 Murata Mfg Co Ltd 弾性表面波装置、通信機
JP2010278830A (ja) * 2009-05-29 2010-12-09 Murata Mfg Co Ltd ラダー型フィルタ及びその製造方法並びにデュプレクサ
JP2011171888A (ja) * 2010-02-17 2011-09-01 Seiko Epson Corp ラム波型共振子および発振器
JP2013145930A (ja) * 2010-04-21 2013-07-25 Murata Mfg Co Ltd 弾性表面波装置及びその製造方法
WO2012086441A1 (ja) * 2010-12-24 2012-06-28 株式会社村田製作所 弾性波装置及びその製造方法
WO2013021948A1 (ja) * 2011-08-08 2013-02-14 株式会社村田製作所 弾性波装置
WO2018043607A1 (ja) * 2016-09-02 2018-03-08 株式会社村田製作所 弾性波フィルタ装置、高周波フロントエンド回路及び通信装置
WO2019009246A1 (ja) * 2017-07-04 2019-01-10 京セラ株式会社 弾性波装置、分波器および通信装置

Also Published As

Publication number Publication date
JP7466562B2 (ja) 2024-04-12
CN114586282A (zh) 2022-06-03
WO2021079830A1 (ja) 2021-04-29
US20220393665A1 (en) 2022-12-08

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