KR101579121B1 - 압전 액추에이터, 압전 진동 장치 및 휴대 단말 - Google Patents

압전 액추에이터, 압전 진동 장치 및 휴대 단말 Download PDF

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Publication number
KR101579121B1
KR101579121B1 KR1020127025689A KR20127025689A KR101579121B1 KR 101579121 B1 KR101579121 B1 KR 101579121B1 KR 1020127025689 A KR1020127025689 A KR 1020127025689A KR 20127025689 A KR20127025689 A KR 20127025689A KR 101579121 B1 KR101579121 B1 KR 101579121B1
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KR
South Korea
Prior art keywords
piezoelectric
piezoelectric actuator
internal electrode
main surface
electrode
Prior art date
Application number
KR1020127025689A
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English (en)
Korean (ko)
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KR20140087945A (ko
Inventor
타케시 오카무라
시게노부 나카무라
Original Assignee
쿄세라 코포레이션
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Application filed by 쿄세라 코포레이션 filed Critical 쿄세라 코포레이션
Publication of KR20140087945A publication Critical patent/KR20140087945A/ko
Application granted granted Critical
Publication of KR101579121B1 publication Critical patent/KR101579121B1/ko

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00Diaphragms for electromechanical transducers; Cones
    • H04R7/02Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/04Plane diaphragms
    • H04R7/045Plane diaphragms using the distributed mode principle, i.e. whereby the acoustic radiation is emanated from uniformly distributed free bending wave vibration induced in a stiff panel and not from pistonic motion
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R17/00Piezoelectric transducers; Electrostrictive transducers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00Details of transducers, loudspeakers or microphones
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00Details of transducers, loudspeakers or microphones
    • H04R1/02Casings; Cabinets ; Supports therefor; Mountings therein
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00Diaphragms for electromechanical transducers; Cones
    • H04R7/02Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/04Plane diaphragms
    • 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
    • H10N30/20Piezoelectric or electrostrictive devices with electrical input and mechanical output, e.g. functioning as actuators or vibrators
    • H10N30/204Piezoelectric or electrostrictive devices with electrical input and mechanical output, e.g. functioning as actuators or vibrators using bending displacement, e.g. unimorph, bimorph or multimorph cantilever or membrane benders
    • H10N30/2047Membrane type
    • 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
    • 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
    • H10N30/875Further connection or lead arrangements, e.g. flexible wiring boards, terminal pins
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2499/00Aspects covered by H04R or H04S not otherwise provided for in their subgroups
    • H04R2499/10General applications
    • H04R2499/11Transducers incorporated or for use in hand-held devices, e.g. mobile phones, PDA's, camera's

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
  • Telephone Set Structure (AREA)
KR1020127025689A 2012-05-14 2012-08-31 압전 액추에이터, 압전 진동 장치 및 휴대 단말 KR101579121B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JPJP-P-2012-111025 2012-05-14
JP2012111025 2012-05-14
PCT/JP2012/072263 WO2013171917A1 (ja) 2012-05-14 2012-08-31 圧電アクチュエータ、圧電振動装置および携帯端末

Publications (2)

Publication Number Publication Date
KR20140087945A KR20140087945A (ko) 2014-07-09
KR101579121B1 true KR101579121B1 (ko) 2015-12-21

Family

ID=49583355

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020127025689A KR101579121B1 (ko) 2012-05-14 2012-08-31 압전 액추에이터, 압전 진동 장치 및 휴대 단말

Country Status (3)

Country Link
JP (2) JP5680202B2 (ja)
KR (1) KR101579121B1 (ja)
WO (1) WO2013171917A1 (ja)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015170848A (ja) * 2014-03-10 2015-09-28 サムソン エレクトロ−メカニックス カンパニーリミテッド. 圧電素子及びこれを含む圧電振動子
WO2016158762A1 (ja) * 2015-03-31 2016-10-06 株式会社村田製作所 圧電素子およびこれを備える超音波センサ
WO2022004848A1 (ja) 2020-07-03 2022-01-06 京セラ株式会社 圧電素子

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007287910A (ja) * 2006-04-17 2007-11-01 Nec Tokin Corp 積層型圧電バイモルフ素子
JP2010034269A (ja) * 2008-07-29 2010-02-12 Kyocera Corp 積層型圧電素子および振動体

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JPH0314054Y2 (ja) * 1985-01-30 1991-03-28
JPH0614396A (ja) 1991-11-30 1994-01-21 Nippon Dempa Kogyo Co Ltd 超音波探触子
JP4658280B2 (ja) * 1999-11-29 2011-03-23 太平洋セメント株式会社 積層型圧電アクチュエータ
JP2002010393A (ja) 2000-04-19 2002-01-11 Murata Mfg Co Ltd 圧電型電気音響変換器
JP2004187031A (ja) * 2002-12-04 2004-07-02 Temuko Japan:Kk 骨伝導スピーカーを用いた携帯電話機
CN1813488A (zh) 2003-07-02 2006-08-02 西铁城电子股份有限公司 板式扬声器
JP2005294761A (ja) * 2004-04-05 2005-10-20 Tdk Corp 積層型圧電素子
WO2006070595A1 (ja) * 2004-12-28 2006-07-06 Nec Corporation 圧電セラミックアクチュエータ及び携帯機器
JP2006238072A (ja) 2005-02-25 2006-09-07 Nec Tokin Corp 音響振動発生用圧電バイモルフ素子
JP2006303443A (ja) * 2005-03-24 2006-11-02 Ngk Spark Plug Co Ltd 積層型圧電素子、これを用いた燃料噴射装置、及び積層型圧電素子の製造方法
US8199959B2 (en) * 2005-04-22 2012-06-12 Sharp Kabushiki Kaisha Card-type device and method for manufacturing same
JP4779526B2 (ja) * 2005-09-15 2011-09-28 日本電気株式会社 パネルスピーカ
WO2009069693A1 (ja) * 2007-11-27 2009-06-04 Kyocera Corporation 積層型圧電素子及びその製造方法、並びに噴射装置及び燃料噴射システム
JP2010199271A (ja) * 2009-02-25 2010-09-09 Kyocera Corp 積層型圧電素子およびその製法ならびに振動体
JP2011096763A (ja) * 2009-10-28 2011-05-12 Kyocera Corp 圧電アクチュエータ装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007287910A (ja) * 2006-04-17 2007-11-01 Nec Tokin Corp 積層型圧電バイモルフ素子
JP2010034269A (ja) * 2008-07-29 2010-02-12 Kyocera Corp 積層型圧電素子および振動体

Also Published As

Publication number Publication date
JP2014239238A (ja) 2014-12-18
JPWO2013171917A1 (ja) 2016-01-07
JP5680202B2 (ja) 2015-03-04
JP5865963B2 (ja) 2016-02-17
WO2013171917A1 (ja) 2013-11-21
KR20140087945A (ko) 2014-07-09

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