KR20220140577A - 적층 압전 소자 - Google Patents

적층 압전 소자 Download PDF

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Publication number
KR20220140577A
KR20220140577A KR1020227031144A KR20227031144A KR20220140577A KR 20220140577 A KR20220140577 A KR 20220140577A KR 1020227031144 A KR1020227031144 A KR 1020227031144A KR 20227031144 A KR20227031144 A KR 20227031144A KR 20220140577 A KR20220140577 A KR 20220140577A
Authority
KR
South Korea
Prior art keywords
piezoelectric
layer
piezoelectric film
laminated
film
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.)
Withdrawn
Application number
KR1020227031144A
Other languages
English (en)
Korean (ko)
Inventor
유스케 가가와
데루오 아시카와
가즈오 히라구치
Original Assignee
후지필름 가부시키가이샤
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 후지필름 가부시키가이샤 filed Critical 후지필름 가부시키가이샤
Publication of KR20220140577A publication Critical patent/KR20220140577A/ko
Withdrawn legal-status Critical Current

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00Diaphragms for electromechanical transducers; Cones
    • H04R7/02Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/04Plane diaphragms
    • H04R7/06Plane diaphragms comprising a plurality of sections or layers
    • H04R7/10Plane diaphragms comprising a plurality of sections or layers comprising superposed layers in contact
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10NELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N30/00Piezoelectric or electrostrictive devices
    • H10N30/80Constructional details
    • H10N30/88Mounts; Supports; Enclosures; Casings
    • H10N30/883Additional insulation means preventing electrical, physical or chemical damage, e.g. protective coatings
    • H01L41/083
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10NELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N30/00Piezoelectric or electrostrictive devices
    • H10N30/50Piezoelectric or electrostrictive devices having a stacked or multilayer structure
    • H01L41/053
    • H01L41/09
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R17/00Piezoelectric transducers; Electrostrictive transducers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R17/00Piezoelectric transducers; Electrostrictive transducers
    • H04R17/005Piezoelectric transducers; Electrostrictive transducers using a piezoelectric polymer
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R31/00Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor
    • H04R31/003Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor for diaphragms or their outer suspension
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10NELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N30/00Piezoelectric or electrostrictive devices
    • H10N30/01Manufacture or treatment
    • H10N30/09Forming piezoelectric or electrostrictive materials
    • H10N30/092Forming composite materials
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10NELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N30/00Piezoelectric or electrostrictive devices
    • H10N30/20Piezoelectric or electrostrictive devices with electrical input and mechanical output, e.g. functioning as actuators or vibrators
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10NELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N30/00Piezoelectric or electrostrictive devices
    • H10N30/50Piezoelectric or electrostrictive devices having a stacked or multilayer structure
    • H10N30/501Piezoelectric or electrostrictive devices having a stacked or multilayer structure having a non-rectangular cross-section in a plane parallel to the stacking direction, e.g. polygonal or trapezoidal in side view
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10NELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N30/00Piezoelectric or electrostrictive devices
    • H10N30/50Piezoelectric or electrostrictive devices having a stacked or multilayer structure
    • H10N30/508Piezoelectric or electrostrictive devices having a stacked or multilayer structure adapted for alleviating internal stress, e.g. cracking control layers
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10NELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N30/00Piezoelectric or electrostrictive devices
    • H10N30/80Constructional details
    • H10N30/88Mounts; Supports; Enclosures; Casings
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R2499/00Aspects covered by H04R or H04S not otherwise provided for in their subgroups
    • H04R2499/10General applications
    • H04R2499/15Transducers incorporated in visual displaying devices, e.g. televisions, computer displays, laptops
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10NELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N30/00Piezoelectric or electrostrictive devices
    • H10N30/80Constructional details
    • H10N30/85Piezoelectric or electrostrictive active materials
    • H10N30/852Composite materials, e.g. having 1-3 or 2-2 type connectivity
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10NELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N30/00Piezoelectric or electrostrictive devices
    • H10N30/80Constructional details
    • H10N30/87Electrodes or interconnections, e.g. leads or terminals
    • H10N30/872Interconnections, e.g. connection electrodes of multilayer piezoelectric or electrostrictive devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Materials Engineering (AREA)
  • Multimedia (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
KR1020227031144A 2020-03-30 2021-02-25 적층 압전 소자 Withdrawn KR20220140577A (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JPJP-P-2020-059969 2020-03-30
JP2020059969 2020-03-30
PCT/JP2021/007032 WO2021199800A1 (ja) 2020-03-30 2021-02-25 積層圧電素子

Publications (1)

Publication Number Publication Date
KR20220140577A true KR20220140577A (ko) 2022-10-18

Family

ID=77930299

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020227031144A Withdrawn KR20220140577A (ko) 2020-03-30 2021-02-25 적층 압전 소자

Country Status (7)

Country Link
US (1) US20230007400A1 (https=)
EP (1) EP4132007A4 (https=)
JP (1) JPWO2021199800A1 (https=)
KR (1) KR20220140577A (https=)
CN (1) CN115280526A (https=)
TW (1) TW202137591A (https=)
WO (1) WO2021199800A1 (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20250071469A (ko) * 2023-11-15 2025-05-22 단국대학교 산학협력단 압전 필름 다면체 조이스틱 장치 및 이의 작동방법

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3081907B1 (fr) * 2018-05-31 2022-03-04 Saint Gobain Vitrage ayant des performances acoustiques ameliorees
CN113508605B (zh) * 2019-03-07 2023-05-09 富士胶片株式会社 电声换能器
EP4149118A4 (en) * 2020-05-07 2023-10-18 FUJIFILM Corporation PIEZOELECTRIC ELEMENT AND PIEZOELECTRIC SPEAKER
KR20230077176A (ko) * 2021-11-25 2023-06-01 엘지디스플레이 주식회사 장치
CN114339552B (zh) * 2021-12-31 2025-02-21 瑞声开泰科技(武汉)有限公司 一种发声装置
CN114695644B (zh) * 2022-02-15 2025-05-09 广东粤化新材料技术开发有限公司 一种压电复合材料的制备方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014209724A (ja) 2013-03-29 2014-11-06 富士フイルム株式会社 電気音響変換フィルム

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09153649A (ja) * 1995-12-01 1997-06-10 Sony Corp 積層型圧電素子の製造方法
JP4659368B2 (ja) * 2004-01-28 2011-03-30 京セラ株式会社 積層型電子部品の製法
WO2009038080A1 (ja) * 2007-09-18 2009-03-26 Kyocera Corporation 積層型圧電素子、これを備えた噴射装置及び燃料噴射システム
JP2009094259A (ja) * 2007-10-09 2009-04-30 Denso Corp 積層型圧電素子とその製造方法
JP6131015B2 (ja) * 2012-09-25 2017-05-17 帝人株式会社 圧電スピーカー
WO2019078053A1 (ja) * 2017-10-18 2019-04-25 パナソニックIpマネジメント株式会社 圧電デバイス及びその製造方法
JP2019169640A (ja) * 2018-03-23 2019-10-03 パナソニックIpマネジメント株式会社 圧電デバイス
EP4124066A4 (en) * 2020-03-19 2023-09-06 FUJIFILM Corporation LAMINATED PIEZOELECTRIC ELEMENT AND ELECTROACOUSTIC TRANSDUCER

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014209724A (ja) 2013-03-29 2014-11-06 富士フイルム株式会社 電気音響変換フィルム

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20250071469A (ko) * 2023-11-15 2025-05-22 단국대학교 산학협력단 압전 필름 다면체 조이스틱 장치 및 이의 작동방법

Also Published As

Publication number Publication date
JPWO2021199800A1 (https=) 2021-10-07
EP4132007A4 (en) 2023-08-30
EP4132007A1 (en) 2023-02-08
US20230007400A1 (en) 2023-01-05
TW202137591A (zh) 2021-10-01
WO2021199800A1 (ja) 2021-10-07
CN115280526A (zh) 2022-11-01

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