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SG10201913568SA - Acoustic wave device with transverse mode suppression - Google Patents

Acoustic wave device with transverse mode suppression

Info

Publication number
SG10201913568SA
SG10201913568SA SG10201913568SA SG10201913568SA SG10201913568SA SG 10201913568S A SG10201913568S A SG 10201913568SA SG 10201913568S A SG10201913568S A SG 10201913568SA SG 10201913568S A SG10201913568S A SG 10201913568SA SG 10201913568S A SG10201913568S A SG 10201913568SA
Authority
SG
Singapore
Prior art keywords
acoustic wave
wave device
transverse mode
mode suppression
suppression
Prior art date
Application number
SG10201913568SA
Inventor
Rei Goto
Koji Seo
Keiichi Maki
Original Assignee
Skyworks Solutions Inc
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 Skyworks Solutions Inc filed Critical Skyworks Solutions Inc
Publication of SG10201913568SA publication Critical patent/SG10201913568SA/en

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/02Details
    • H03H9/02535Details of surface acoustic wave devices
    • H03H9/02818Means for compensation or elimination of undesirable effects
    • H03H9/02889Means for compensation or elimination of undesirable effects of influence of mass loading
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/02Details
    • H03H9/02228Guided bulk acoustic wave devices or Lamb wave devices having interdigital transducers situated in parallel planes on either side of a piezoelectric layer
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/02Details
    • H03H9/02535Details of surface acoustic wave devices
    • H03H9/02818Means for compensation or elimination of undesirable effects
    • H03H9/02834Means for compensation or elimination of undesirable effects of temperature influence
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/02Details
    • H03H9/125Driving means, e.g. electrodes, coils
    • H03H9/145Driving means, e.g. electrodes, coils for networks using surface acoustic waves
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/02Details
    • H03H9/125Driving means, e.g. electrodes, coils
    • H03H9/145Driving means, e.g. electrodes, coils for networks using surface acoustic waves
    • H03H9/14517Means for weighting
    • H03H9/14529Distributed tap
    • H03H9/14532Series weighting; Transverse weighting
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/02Details
    • H03H9/125Driving means, e.g. electrodes, coils
    • H03H9/145Driving means, e.g. electrodes, coils for networks using surface acoustic waves
    • H03H9/14544Transducers of particular shape or position
    • H03H9/1457Transducers having different finger widths
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/15Constructional features of resonators consisting of piezoelectric or electrostrictive material
    • H03H9/17Constructional features of resonators consisting of piezoelectric or electrostrictive material having a single resonator
    • H03H9/171Constructional features of resonators consisting of piezoelectric or electrostrictive material having a single resonator implemented with thin-film techniques, i.e. of the film bulk acoustic resonator [FBAR] type
    • H03H9/172Means for mounting on a substrate, i.e. means constituting the material interface confining the waves to a volume
    • H03H9/173Air-gaps
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/15Constructional features of resonators consisting of piezoelectric or electrostrictive material
    • H03H9/17Constructional features of resonators consisting of piezoelectric or electrostrictive material having a single resonator
    • H03H9/171Constructional features of resonators consisting of piezoelectric or electrostrictive material having a single resonator implemented with thin-film techniques, i.e. of the film bulk acoustic resonator [FBAR] type
    • H03H9/172Means for mounting on a substrate, i.e. means constituting the material interface confining the waves to a volume
    • H03H9/175Acoustic mirrors
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/25Constructional features of resonators using surface acoustic waves
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/46Filters
    • H03H9/64Filters using surface acoustic waves
    • H03H9/6423Means for obtaining a particular transfer characteristic
    • H03H9/6433Coupled resonator filters
    • H03H9/6483Ladder SAW filters
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/46Filters
    • H03H9/64Filters using surface acoustic waves
    • H03H9/6489Compensation of undesirable effects

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
SG10201913568SA 2018-12-28 2019-12-27 Acoustic wave device with transverse mode suppression SG10201913568SA (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US201862785919P 2018-12-28 2018-12-28

Publications (1)

Publication Number Publication Date
SG10201913568SA true SG10201913568SA (en) 2020-07-29

Family

ID=71124317

Family Applications (1)

Application Number Title Priority Date Filing Date
SG10201913568SA SG10201913568SA (en) 2018-12-28 2019-12-27 Acoustic wave device with transverse mode suppression

Country Status (3)

Country Link
US (2) US11368137B2 (en)
JP (1) JP2020109957A (en)
SG (1) SG10201913568SA (en)

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11368137B2 (en) 2018-12-28 2022-06-21 Skyworks Solutions, Inc. Acoustic wave device with transverse mode suppression
US12136910B2 (en) 2019-06-07 2024-11-05 Skyworks Solutions, Inc. Acoustic wave resonator with patterned conductive layer for transverse mode suppression
US11451212B2 (en) 2019-06-19 2022-09-20 Skyworks Solutions, Inc. Acoustic wave resonator with transverse spurious mode for filter steepness
US11705883B2 (en) 2019-10-24 2023-07-18 Skyworks Solutions, Inc. Acoustic wave resonator with mass loading strip for suppression of transverse mode
US11552614B2 (en) 2019-12-03 2023-01-10 Skyworks Solutions, Inc. Laterally excited bulk wave device with acoustic mirrors
CN112217490B (en) * 2020-10-22 2021-09-14 展讯通信(上海)有限公司 Laminated temperature compensation type surface acoustic wave resonator and packaging method
US20240039508A1 (en) * 2020-12-23 2024-02-01 HANGZHOU SAPPLAND MICROELECTRONICS TECHNOLOGY Co.,Ltd. Surface Acoustic Wave Resonator and Manufacturing Method Therefor
CN112886938B (en) * 2020-12-23 2022-04-26 杭州左蓝微电子技术有限公司 Surface acoustic wave resonator capable of suppressing transverse mode and manufacturing method thereof
US12355423B2 (en) * 2020-12-29 2025-07-08 Skyworks Solutions, Inc. Acoustic wave device with mass loading strip having tapered sidewall
US12301208B2 (en) 2021-02-22 2025-05-13 Skyworks Solutions, Inc. Acoustic wave device with multi-layer interdigital transducer electrode
JP7627611B2 (en) * 2021-04-30 2025-02-06 太陽誘電株式会社 Acoustic Wave Resonators, Filters, and Multiplexers
CN117321915A (en) * 2021-05-17 2023-12-29 株式会社村田制作所 Piezoelectric body wave device
US12483221B2 (en) * 2021-07-15 2025-11-25 Skyworks Solutions, Inc. Multilayer piezoelectric substrate device with partially recessed passivation layer
CN117581478A (en) * 2021-07-21 2024-02-20 株式会社村田制作所 Elastic wave device
CN117981221A (en) * 2021-09-21 2024-05-03 株式会社村田制作所 Elastic wave device
JP7364196B2 (en) * 2021-09-24 2023-10-18 三安ジャパンテクノロジー株式会社 Acoustic wave devices, modules
US20230103956A1 (en) * 2021-10-04 2023-04-06 Skyworks Solutions, Inc. Stacked single mirror acoustic wave device and double mirror acoustic wave device
WO2023058767A1 (en) * 2021-10-08 2023-04-13 株式会社村田製作所 Elastic wave device
WO2023090172A1 (en) * 2021-11-18 2023-05-25 株式会社村田製作所 Elastic wave device
US20230179171A1 (en) 2021-12-06 2023-06-08 Skyworks Solutions, Inc. Multi-band surface acoustic wave filters
US12483226B2 (en) 2021-12-29 2025-11-25 Skyworks Solutions, Inc. Acoustic wave device with tilted multilayer interdigital transducer electrode
US20230223910A1 (en) * 2022-01-13 2023-07-13 Skyworks Solutions, Inc. Method of making acoustic wave device with vertically mass loaded multi-layer interdigital transducer electrode for transverse mode suppression
US12355415B2 (en) 2022-01-20 2025-07-08 Skyworks Solutions, Inc. Multi-band filter with suppressed shear horizontal mode
WO2023140354A1 (en) * 2022-01-21 2023-07-27 株式会社村田製作所 Elastic wave device and filter device
US12494766B2 (en) 2022-03-02 2025-12-09 Skyworks Solutions, Inc. Acoustic wave device with interdigital transducer electrode having buffer layer
CN114679146B (en) * 2022-03-29 2024-10-01 北京航天微电科技有限公司 Preparation method of temperature compensation filter, temperature compensation filter and electronic equipment
US12500572B2 (en) 2022-04-15 2025-12-16 Skyworks Solutions, Inc. Multiplexer formed on multi-layer piezoelectric substrate and temperature compensated surface acoustic wave device dies
WO2023229049A1 (en) * 2022-05-26 2023-11-30 株式会社村田製作所 Elastic wave device and filter device
CN119605080A (en) * 2022-08-26 2025-03-11 株式会社村田制作所 Elastic wave device
CN115149922B (en) * 2022-09-01 2022-12-09 阿尔伯达(苏州)科技有限公司 Structure for inhibiting transverse parasitic mode of acoustic coupling filter
CN119923795A (en) * 2022-09-29 2025-05-02 株式会社村田制作所 Elastic wave device
CN115296642B (en) * 2022-10-08 2023-03-24 深圳新声半导体有限公司 Surface acoustic wave resonator structure, forming method thereof and filter
CN116208119B (en) * 2023-04-19 2023-07-14 深圳新声半导体有限公司 Surface acoustic wave device and manufacturing method thereof
CN116979926B (en) * 2023-09-01 2023-12-22 深圳新声半导体有限公司 Surface acoustic wave resonator device, method of manufacturing the same, and filter
CN117097296B (en) * 2023-10-18 2024-02-06 深圳新声半导体有限公司 Surface acoustic wave resonator device, method of manufacturing the same, and filter
CN117424579B (en) * 2023-12-13 2024-06-25 深圳新声半导体有限公司 Surface acoustic wave resonator device, method of manufacturing the same, and filter
CN120825143A (en) * 2025-09-16 2025-10-21 深圳飞骧科技股份有限公司 Surface acoustic wave device

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7576471B1 (en) 2007-09-28 2009-08-18 Triquint Semiconductor, Inc. SAW filter operable in a piston mode
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
DE102010005596B4 (en) 2010-01-25 2015-11-05 Epcos Ag Electroacoustic transducer with reduced losses due to transversal emission and improved performance by suppression of transverse modes
TWI546910B (en) 2010-02-26 2016-08-21 精材科技股份有限公司 Chip package and method of manufacturing same
WO2012132238A1 (en) * 2011-03-25 2012-10-04 Panasonic Corporation Acoustic wave device with reduced higher order transverse modes
WO2015007319A1 (en) 2013-07-18 2015-01-22 Epcos Ag Electroacoustic transducer with improved suppression of unwanted modes
EP3235130A1 (en) 2014-12-16 2017-10-25 SnapTrack, Inc. Electroacoustic transducer with improved suppression of unwanted modes
CN107615654B (en) 2015-06-24 2020-08-21 株式会社村田制作所 filter device
US10361678B2 (en) 2015-12-14 2019-07-23 Taiyo Yuden Co., Ltd. Acoustic wave resonator, filter, and duplexer
DE112016005980B4 (en) 2015-12-25 2024-08-22 Murata Manufacturing Co., Ltd. Device for elastic waves
DE102016105118A1 (en) 2016-03-18 2017-09-21 Snaptrack, Inc. SAW device with reduced interference due to transversal and SH modes and RF filter with SAW device
JP6454299B2 (en) 2016-05-13 2019-01-16 太陽誘電株式会社 Elastic wave device
US10469050B2 (en) 2016-08-19 2019-11-05 Qorvo Us, Inc. Guided acoustic wave device
KR102270389B1 (en) 2017-02-08 2021-06-29 가부시키가이샤 무라타 세이사쿠쇼 Acoustic wave devices, high-frequency front-end circuits and communication devices
WO2019139076A1 (en) 2018-01-11 2019-07-18 株式会社村田製作所 Acoustic wave device
US11368137B2 (en) 2018-12-28 2022-06-21 Skyworks Solutions, Inc. Acoustic wave device with transverse mode suppression
US12136910B2 (en) 2019-06-07 2024-11-05 Skyworks Solutions, Inc. Acoustic wave resonator with patterned conductive layer for transverse mode suppression

Also Published As

Publication number Publication date
US12334902B2 (en) 2025-06-17
US11368137B2 (en) 2022-06-21
US20220286105A1 (en) 2022-09-08
US20200212876A1 (en) 2020-07-02
JP2020109957A (en) 2020-07-16

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