KR101579121B1 - 압전 액추에이터, 압전 진동 장치 및 휴대 단말 - Google Patents
압전 액추에이터, 압전 진동 장치 및 휴대 단말 Download PDFInfo
- 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
- Authority
- KR
- South Korea
- Prior art keywords
- piezoelectric
- piezoelectric actuator
- internal electrode
- main surface
- electrode
- Prior art date
Links
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Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
- H04R7/04—Plane diaphragms
- H04R7/045—Plane 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R17/00—Piezoelectric transducers; Electrostrictive transducers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
- H04R7/04—Plane diaphragms
-
- 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
- H10N30/20—Piezoelectric or electrostrictive devices with electrical input and mechanical output, e.g. functioning as actuators or vibrators
-
- 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
- H10N30/20—Piezoelectric or electrostrictive devices with electrical input and mechanical output, e.g. functioning as actuators or vibrators
- H10N30/204—Piezoelectric 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
- H10N30/2047—Membrane type
-
- 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
- H10N30/50—Piezoelectric or electrostrictive devices having a stacked or multilayer structure
-
- 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
- H10N30/875—Further connection or lead arrangements, e.g. flexible wiring boards, terminal pins
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
- H04R2499/10—General applications
- H04R2499/11—Transducers incorporated or for use in hand-held devices, e.g. mobile phones, PDA's, camera's
Landscapes
- 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)
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)
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)
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 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
-
2012
- 2012-08-31 JP JP2013526227A patent/JP5680202B2/ja active Active
- 2012-08-31 KR KR1020127025689A patent/KR101579121B1/ko active IP Right Grant
- 2012-08-31 WO PCT/JP2012/072263 patent/WO2013171917A1/ja active Application Filing
-
2014
- 2014-07-14 JP JP2014144348A patent/JP5865963B2/ja active Active
Patent Citations (2)
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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