JPWO2021060150A1 - - Google Patents

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Publication number
JPWO2021060150A1
JPWO2021060150A1 JP2021548863A JP2021548863A JPWO2021060150A1 JP WO2021060150 A1 JPWO2021060150 A1 JP WO2021060150A1 JP 2021548863 A JP2021548863 A JP 2021548863A JP 2021548863 A JP2021548863 A JP 2021548863A JP WO2021060150 A1 JPWO2021060150 A1 JP WO2021060150A1
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JP
Japan
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.)
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Application number
JP2021548863A
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Japanese (ja)
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JP7334786B2 (ja
JPWO2021060150A5 (https=
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Publication of JPWO2021060150A1 publication Critical patent/JPWO2021060150A1/ja
Publication of JPWO2021060150A5 publication Critical patent/JPWO2021060150A5/ja
Application granted granted Critical
Publication of JP7334786B2 publication Critical patent/JP7334786B2/ja
Active legal-status Critical Current
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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 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
    • H03H9/14538—Formation
    • H03H9/14541—Multilayer finger or busbar electrode
    • 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
    • H03H9/54—Filters comprising resonators of piezoelectric or electrostrictive material
    • H03H9/56—Monolithic crystal filters
    • H03H9/566—Electric coupling means therefor
    • H03H9/568—Electric coupling means therefor consisting of a ladder configuration
    • 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
    • H03H9/02—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 elements; 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 elements; Electromechanical resonators
    • H03H9/02—Details
    • H03H9/02535—Details of surface acoustic wave devices
    • H03H9/02543—Characteristics of substrate, e.g. cutting angles
    • H03H9/02574—Characteristics of substrate, e.g. cutting angles of combined substrates, multilayered substrates, piezoelectrical layers on not-piezoelectrical substrate
    • 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
    • H03H9/02818—Means for compensation or elimination of undesirable effects
    • H03H9/02881—Means for compensation or elimination of undesirable effects of diffraction of wave beam
    • 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
    • H03H9/13—Driving means, e.g. electrodes, coils for networks consisting of piezoelectric or electrostrictive materials
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/15—Constructional features of resonators consisting of piezoelectric or electrostrictive material
    • H03H9/205—Constructional features of resonators consisting of piezoelectric or electrostrictive material having multiple resonators
    • 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
    • H03H9/54—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 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
    • H03H9/6489—Compensation of undesirable effects
    • H03H9/6496—Reducing ripple in transfer characteristic

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
JP2021548863A 2019-09-27 2020-09-17 弾性波フィルタ Active JP7334786B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2019176704 2019-09-27
JP2019176704 2019-09-27
PCT/JP2020/035303 WO2021060150A1 (ja) 2019-09-27 2020-09-17 弾性波フィルタ

Publications (3)

Publication Number Publication Date
JPWO2021060150A1 true JPWO2021060150A1 (https=) 2021-04-01
JPWO2021060150A5 JPWO2021060150A5 (https=) 2022-04-15
JP7334786B2 JP7334786B2 (ja) 2023-08-29

Family

ID=75165763

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2021548863A Active JP7334786B2 (ja) 2019-09-27 2020-09-17 弾性波フィルタ

Country Status (5)

Country Link
US (1) US12244296B2 (https=)
JP (1) JP7334786B2 (https=)
KR (1) KR102722444B1 (https=)
CN (1) CN114402530A (https=)
WO (1) WO2021060150A1 (https=)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12244300B2 (en) 2021-05-17 2025-03-04 Taiyo Yuden Co., Ltd. Ladder-type filter and multiplexer
JP7656487B2 (ja) * 2021-05-17 2025-04-03 太陽誘電株式会社 ラダー型フィルタおよびマルチプレクサ
WO2023048191A1 (ja) * 2021-09-24 2023-03-30 株式会社村田製作所 フィルタ装置
WO2023048256A1 (ja) * 2021-09-27 2023-03-30 株式会社村田製作所 弾性波装置
WO2025084161A1 (ja) * 2023-10-17 2025-04-24 株式会社村田製作所 弾性波装置およびマルチプレクサ
CN119743106A (zh) * 2024-12-12 2025-04-01 锐石创芯(重庆)微电子有限公司 弹性波装置和滤波器

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JP2010251889A (ja) * 2009-04-13 2010-11-04 Panasonic Corp 弾性波共振器及びこれを用いたラダー型フィルタ
JP2013518455A (ja) * 2010-01-25 2013-05-20 エプコス アーゲー 横方向放射損失を低減させ，横方向モードの抑制により性能を高めた電気音響変換器
WO2016208446A1 (ja) * 2015-06-24 2016-12-29 株式会社村田製作所 フィルタ装置
WO2018051597A1 (ja) * 2016-09-13 2018-03-22 株式会社村田製作所 弾性波装置、高周波フロントエンド回路及び通信装置

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JP2003198317A (ja) * 2001-12-21 2003-07-11 Fujitsu Media Device Kk 弾性表面波共振子及び弾性表面波フィルタ
US8476991B2 (en) * 2007-11-06 2013-07-02 Panasonic Corporation Elastic wave resonator, elastic wave filter, and antenna sharing device using the same
US8294331B2 (en) * 2009-09-22 2012-10-23 Triquint Semiconductor, Inc. Acoustic wave guide device and method for minimizing trimming effects and piston mode instabilities
US7939989B2 (en) * 2009-09-22 2011-05-10 Triquint Semiconductor, Inc. Piston mode acoustic wave device and method providing a high coupling factor
JP6355328B2 (ja) * 2013-12-19 2018-07-11 太陽誘電株式会社 弾性表面波デバイス及びフィルタ
KR102083803B1 (ko) * 2014-06-23 2020-03-03 가부시키가이샤 무라타 세이사쿠쇼 탄성파 장치
JP6793635B2 (ja) * 2015-03-31 2020-12-02 京セラ株式会社 弾性波モジュール
WO2017073425A1 (ja) * 2015-10-30 2017-05-04 京セラ株式会社 弾性波共振子、弾性波フィルタ、分波器、通信装置および弾性波共振子の設計方法
US10084427B2 (en) * 2016-01-28 2018-09-25 Qorvo Us, Inc. Surface acoustic wave device having a piezoelectric layer on a quartz substrate and methods of manufacturing thereof
JP6509151B2 (ja) * 2016-03-11 2019-05-08 太陽誘電株式会社 弾性波共振器、フィルタおよびマルチプレクサ
JP6632481B2 (ja) * 2016-06-22 2020-01-22 太陽誘電株式会社 弾性波共振器、フィルタおよびマルチプレクサ
WO2018003338A1 (ja) * 2016-06-27 2018-01-04 株式会社村田製作所 弾性波フィルタ装置
US9998097B2 (en) * 2016-07-15 2018-06-12 Murata Manufacturing Co., Ltd. Radio-frequency front-end circuit and communication device
JP6465441B2 (ja) * 2016-07-29 2019-02-06 太陽誘電株式会社 マルチプレクサ
WO2018061949A1 (ja) * 2016-09-29 2018-04-05 株式会社村田製作所 弾性波フィルタ装置、マルチプレクサ、高周波フロントエンド回路及び通信装置
WO2018061950A1 (ja) * 2016-09-29 2018-04-05 株式会社村田製作所 弾性波フィルタ装置、マルチプレクサ、高周波フロントエンド回路及び通信装置
JP2018064270A (ja) * 2016-10-13 2018-04-19 スカイワークス ソリューションズ，インコーポレイテッドＳｋｙｗｏｒｋｓ Ｓｏｌｕｔｉｏｎｓ，Ｉｎｃ． 可変電極指ピッチと接続配列とを有する弾性表面波素子
US10924086B2 (en) * 2016-10-14 2021-02-16 Qorvo Us, Inc. Surface acoustic wave (SAW) device with antireflective structure
CN110140296B (zh) * 2016-12-28 2023-01-13 株式会社村田制作所 纵耦合谐振器型弹性波滤波器
KR102270389B1 (ko) * 2017-02-08 2021-06-29 가부시키가이샤 무라타 세이사쿠쇼 탄성파 장치, 고주파 프론트 엔드 회로 및 통신 장치
US10804950B2 (en) * 2017-03-22 2020-10-13 Kyocera Corporation Acoustic wave device, multiplexer, and communication apparatus
JP7224094B2 (ja) * 2017-06-26 2023-02-17 太陽誘電株式会社 弾性波共振器、フィルタおよびマルチプレクサ
US10873313B2 (en) * 2017-09-01 2020-12-22 Skyworks Solutions, Inc. Piston mode lamb wave resonators
JP2019092095A (ja) * 2017-11-16 2019-06-13 株式会社村田製作所 弾性波装置、高周波フロントエンド回路及び通信装置
WO2019117106A1 (ja) * 2017-12-13 2019-06-20 株式会社村田製作所 フィルタ装置およびマルチプレクサ
JP7033462B2 (ja) * 2018-02-19 2022-03-10 ＮＤＫ ＳＡＷ ｄｅｖｉｃｅｓ株式会社 弾性表面波デバイス
JP7080671B2 (ja) * 2018-02-27 2022-06-06 ＮＤＫ ＳＡＷ ｄｅｖｉｃｅｓ株式会社 弾性表面波デバイス
KR20210068131A (ko) * 2018-10-16 2021-06-08 도호쿠 다이가쿠 음향파 디바이스들
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JP2010251889A (ja) * 2009-04-13 2010-11-04 Panasonic Corp 弾性波共振器及びこれを用いたラダー型フィルタ
JP2013518455A (ja) * 2010-01-25 2013-05-20 エプコス アーゲー 横方向放射損失を低減させ，横方向モードの抑制により性能を高めた電気音響変換器
WO2016208446A1 (ja) * 2015-06-24 2016-12-29 株式会社村田製作所 フィルタ装置
WO2018051597A1 (ja) * 2016-09-13 2018-03-22 株式会社村田製作所 弾性波装置、高周波フロントエンド回路及び通信装置

Also Published As

Publication number Publication date
KR102722444B1 (ko) 2024-10-25
CN114402530A (zh) 2022-04-26
WO2021060150A1 (ja) 2021-04-01
US12244296B2 (en) 2025-03-04
US20220216853A1 (en) 2022-07-07
JP7334786B2 (ja) 2023-08-29
KR20220044321A (ko) 2022-04-07

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