JP6513104B2 - 弾性波共振器、これを用いた弾性波フィルタ、アンテナ共用器、モジュール及び通信機器 - Google Patents

弾性波共振器、これを用いた弾性波フィルタ、アンテナ共用器、モジュール及び通信機器 Download PDF

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JP6513104B2
JP6513104B2 JP2016561393A JP2016561393A JP6513104B2 JP 6513104 B2 JP6513104 B2 JP 6513104B2 JP 2016561393 A JP2016561393 A JP 2016561393A JP 2016561393 A JP2016561393 A JP 2016561393A JP 6513104 B2 JP6513104 B2 JP 6513104B2
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elastic wave
electrode
region
intersection
electrode finger
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JP2017511074A5 (enExample
JP2017511074A (ja
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中村　弘幸
弘幸 中村
光則 宮成
光則 宮成
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スカイワークスフィルターソリューションズジャパン株式会社
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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
    • H03H9/02—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
    • H03H9/14564—Shifted fingers transducers
    • 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
    • H03H9/02685—Grating lines having particular arrangements
    • H03H9/02708—Shifted grating lines
    • 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
    • H03H9/14517—Means for weighting
    • H03H9/1452—Means for weighting by finger overlap length, apodisation
    • 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
    • H03H9/14547—Fan shaped; Tilted; Shifted; Slanted; Tapered; Arched; Stepped finger transducers
    • 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
    • H03H9/25—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 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
    • H03H9/6483—Ladder SAW filters
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/70—Multiple-port networks for connecting several sources or loads, working on different frequencies or frequency bands, to a common load or source
    • H03H9/72—Networks using surface acoustic waves
    • H03H9/725—Duplexers
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N30/00—Piezoelectric or electrostrictive devices
    • H10N30/80—Constructional details
    • H10N30/87—Electrodes or interconnections, e.g. leads or terminals
    • 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
    • H03H9/132—Driving means, e.g. electrodes, coils for networks consisting of piezoelectric or electrostrictive materials characterized by a particular shape
    • 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
    • H03H9/17—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 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

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  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
JP2016561393A 2014-04-08 2015-04-07 弾性波共振器、これを用いた弾性波フィルタ、アンテナ共用器、モジュール及び通信機器 Active JP6513104B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2014079111 2014-04-08
JP2014079111 2014-04-08
PCT/JP2015/001956 WO2015155984A1 (en) 2014-04-08 2015-04-07 Acoustic wave resonators, acoustic wave filters, antenna duplexers, modules and communication devices using the same

Related Child Applications (1)

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JP2019074179A Division JP6618646B2 (ja) 2014-04-08 2019-04-09 弾性波共振器と弾性波フィルタ

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JP2017511074A JP2017511074A (ja) 2017-04-13
JP2017511074A5 JP2017511074A5 (enExample) 2018-05-24
JP6513104B2 true JP6513104B2 (ja) 2019-05-15

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JP2019074179A Active JP6618646B2 (ja) 2014-04-08 2019-04-09 弾性波共振器と弾性波フィルタ

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US (2) US9647635B2 (enExample)
JP (2) JP6513104B2 (enExample)
WO (1) WO2015155984A1 (enExample)

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US9647635B2 (en) * 2014-04-08 2017-05-09 Skyworks Filter Solutions Japan Co., Ltd. Elastic wave resonators, and elastic wave filters, antenna duplexers, modules and communication devices using same
WO2017131170A1 (ja) * 2016-01-29 2017-08-03 京セラ株式会社 弾性波共振子、弾性波フィルタ、分波器および通信装置
US10615773B2 (en) * 2017-09-11 2020-04-07 Akoustis, Inc. Wireless communication infrastructure system configured with a single crystal piezo resonator and filter structure
US10056879B2 (en) * 2016-04-21 2018-08-21 Murata Manufacturing Co., Ltd. Elastic wave filter device
JP6465441B2 (ja) * 2016-07-29 2019-02-06 太陽誘電株式会社 マルチプレクサ
KR101953219B1 (ko) * 2016-11-24 2019-02-28 가부시키가이샤 무라타 세이사쿠쇼 탄성파 장치, 고주파 프론트 엔드 회로 및 통신 장치
JP2020005161A (ja) * 2018-06-29 2020-01-09 株式会社村田製作所 フィルタおよびマルチプレクサ
US11502668B2 (en) 2018-11-16 2022-11-15 Skyworks Solutions, Inc. Multi-mode surface acoustic wave filter with stepped acoustic reflectors
WO2021039639A1 (ja) * 2019-08-30 2021-03-04 株式会社村田製作所 弾性波装置
US20230179171A1 (en) 2021-12-06 2023-06-08 Skyworks Solutions, Inc. Multi-band surface acoustic wave filters
US20230261636A1 (en) * 2022-02-11 2023-08-17 RF360 Europe GmbH Optimization of surface acoustic wave (saw) resonators with resonance frequency at upper stopband edge for filter design
CN118694340A (zh) * 2023-03-24 2024-09-24 华为技术有限公司 声学滤波器及其制备方法、电子设备

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Publication number Publication date
US20150288346A1 (en) 2015-10-08
JP2019146233A (ja) 2019-08-29
JP2017511074A (ja) 2017-04-13
US9647635B2 (en) 2017-05-09
WO2015155984A1 (en) 2015-10-15
US20170244384A1 (en) 2017-08-24
JP6618646B2 (ja) 2019-12-11
US10305445B2 (en) 2019-05-28

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