DE112022003130T5 - Wandler und elektronische vorrichtung - Google Patents

Wandler und elektronische vorrichtung Download PDF

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Publication number
DE112022003130T5
DE112022003130T5 DE112022003130.1T DE112022003130T DE112022003130T5 DE 112022003130 T5 DE112022003130 T5 DE 112022003130T5 DE 112022003130 T DE112022003130 T DE 112022003130T DE 112022003130 T5 DE112022003130 T5 DE 112022003130T5
Authority
DE
Germany
Prior art keywords
space
film
base material
converter
opening
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.)
Pending
Application number
DE112022003130.1T
Other languages
German (de)
English (en)
Inventor
Takashi Naiki
Noriyuki Shimoji
Tomohiro Date
Kenji GOUDA
Yurina Amamoto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rohm Co Ltd
Original Assignee
Rohm Co Ltd
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 Rohm Co Ltd filed Critical Rohm Co Ltd
Publication of DE112022003130T5 publication Critical patent/DE112022003130T5/de
Pending legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; 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; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R17/00—Piezoelectric transducers; Electrostrictive transducers
    • H04R17/005—Piezoelectric transducers; Electrostrictive transducers using a piezoelectric polymer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B81—MICROSTRUCTURAL TECHNOLOGY
    • B81B—MICROSTRUCTURAL DEVICES OR SYSTEMS, e.g. MICROMECHANICAL DEVICES
    • B81B7/00—Microstructural systems; Auxiliary parts of microstructural devices or systems
    • B81B7/0032—Packages or encapsulation
    • B81B7/0061—Packages or encapsulation suitable for fluid transfer from the MEMS out of the package or vice versa, e.g. transfer of liquid, gas, sound
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
    • H04R1/2807—Enclosures comprising vibrating or resonating arrangements
    • H04R1/2811—Enclosures comprising vibrating or resonating arrangements for loudspeaker transducers
    • 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
    • H10N30/30—Piezoelectric or electrostrictive devices with mechanical input and electrical output, e.g. functioning as generators or sensors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B81—MICROSTRUCTURAL TECHNOLOGY
    • B81B—MICROSTRUCTURAL DEVICES OR SYSTEMS, e.g. MICROMECHANICAL DEVICES
    • B81B2201/00—Specific applications of microelectromechanical systems
    • B81B2201/02—Sensors
    • B81B2201/0271—Resonators; ultrasonic resonators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B81—MICROSTRUCTURAL TECHNOLOGY
    • B81B—MICROSTRUCTURAL DEVICES OR SYSTEMS, e.g. MICROMECHANICAL DEVICES
    • B81B2201/00—Specific applications of microelectromechanical systems
    • B81B2201/03—Microengines and actuators
    • B81B2201/032—Bimorph and unimorph actuators, e.g. piezo and thermo

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Computer Hardware Design (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
  • Micromachines (AREA)
DE112022003130.1T 2021-06-18 2022-06-15 Wandler und elektronische vorrichtung Pending DE112022003130T5 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2021-101437 2021-06-18
JP2021101437 2021-06-18
PCT/JP2022/024013 WO2022265050A1 (ja) 2021-06-18 2022-06-15 トランスデューサ及び電子機器

Publications (1)

Publication Number Publication Date
DE112022003130T5 true DE112022003130T5 (de) 2024-04-11

Family

ID=84527544

Family Applications (1)

Application Number Title Priority Date Filing Date
DE112022003130.1T Pending DE112022003130T5 (de) 2021-06-18 2022-06-15 Wandler und elektronische vorrichtung

Country Status (5)

Country Link
US (1) US12598428B2 (https=)
JP (1) JPWO2022265050A1 (https=)
CN (1) CN117501716A (https=)
DE (1) DE112022003130T5 (https=)
WO (1) WO2022265050A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116996821B (zh) * 2023-09-26 2024-01-02 地球山(苏州)微电子科技有限公司 一种像素发声单元及数字扬声器

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2021044762A (ja) 2019-09-13 2021-03-18 ローム株式会社 トランスデューサ
JP2021101437A (ja) 2018-02-02 2021-07-08 日東電工株式会社 Ｌｅｄバックライト用フィルム、ｌｅｄバックライト

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005012644A (ja) * 2003-06-20 2005-01-13 Matsushita Electric Ind Co Ltd スピーカそれを用いたモジュールおよび電子機器
JP2017086156A (ja) * 2015-11-02 2017-05-25 セイコーエプソン株式会社 超音波画像装置および超音波画像装置向け制御装置並びに超音波画像の形成方法
WO2020230358A1 (ja) 2019-05-16 2020-11-19 株式会社村田製作所 圧電デバイスおよび音響トランスデューサ
JP7251618B2 (ja) 2019-05-16 2023-04-04 株式会社村田製作所 圧電デバイスおよび超音波トランスデューサ

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2021101437A (ja) 2018-02-02 2021-07-08 日東電工株式会社 Ｌｅｄバックライト用フィルム、ｌｅｄバックライト
JP2021044762A (ja) 2019-09-13 2021-03-18 ローム株式会社 トランスデューサ

Also Published As

Publication number Publication date
CN117501716A (zh) 2024-02-02
US12598428B2 (en) 2026-04-07
WO2022265050A1 (ja) 2022-12-22
US20240129673A1 (en) 2024-04-18
JPWO2022265050A1 (https=) 2022-12-22

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