BR112013023981A2 - conjunto de células cmut de um transdutor ultrassônico - Google Patents

conjunto de células cmut de um transdutor ultrassônico

Info

Publication number
BR112013023981A2
BR112013023981A2 BR112013023981A BR112013023981A BR112013023981A2 BR 112013023981 A2 BR112013023981 A2 BR 112013023981A2 BR 112013023981 A BR112013023981 A BR 112013023981A BR 112013023981 A BR112013023981 A BR 112013023981A BR 112013023981 A2 BR112013023981 A2 BR 112013023981A2
Authority
BR
Brazil
Prior art keywords
substrate
cmut cell
cell set
ultrasonic transducer
movement
Prior art date
Application number
BR112013023981A
Other languages
English (en)
Portuguese (pt)
Inventor
John Douglas Fraser
Original Assignee
Koninkl Philips Nv
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 Koninkl Philips Nv filed Critical Koninkl Philips Nv
Publication of BR112013023981A2 publication Critical patent/BR112013023981A2/pt

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/44—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device
    • A61B8/4483—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device characterised by features of the ultrasound transducer
    • A61B8/4494—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device characterised by features of the ultrasound transducer characterised by the arrangement of the transducer elements
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H11/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties
    • G01H11/06—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties by electric means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
    • B06B1/0292—Electrostatic transducers, e.g. electret-type
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/002—Devices for damping, suppressing, obstructing or conducting sound in acoustic devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Mechanical Engineering (AREA)
  • Radiology & Medical Imaging (AREA)
  • Surgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Pathology (AREA)
  • Gynecology & Obstetrics (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Biophysics (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Pressure Sensors (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
BR112013023981A 2011-03-22 2012-03-13 conjunto de células cmut de um transdutor ultrassônico BR112013023981A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201161466172P 2011-03-22 2011-03-22
PCT/IB2012/051173 WO2012127360A2 (en) 2011-03-22 2012-03-13 Ultrasonic cmut with suppressed acoustic coupling to the substrate

Publications (1)

Publication Number Publication Date
BR112013023981A2 true BR112013023981A2 (pt) 2016-12-13

Family

ID=45937471

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112013023981A BR112013023981A2 (pt) 2011-03-22 2012-03-13 conjunto de células cmut de um transdutor ultrassônico

Country Status (7)

Country Link
US (1) US20130331705A1 (https=)
EP (1) EP2688686B1 (https=)
JP (1) JP5961246B2 (https=)
CN (1) CN103501922B (https=)
BR (1) BR112013023981A2 (https=)
RU (1) RU2589272C2 (https=)
WO (1) WO2012127360A2 (https=)

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US11766237B2 (en) 2015-07-02 2023-09-26 Philips Image Guided Therapy Corporation Multi-mode capacitive micromachined ultrasound transducer and associated devices, systems, and methods for multiple different intravascular sensing capabilities
DE102015212683A1 (de) * 2015-07-07 2017-01-12 Robert Bosch Gmbh Schallwandler und Einbauanordnung mit einem Schallwandler
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EP3729417B1 (en) 2017-12-22 2025-09-10 Ultrahaptics Ip Ltd Tracking in haptic systems
WO2019122916A1 (en) 2017-12-22 2019-06-27 Ultrahaptics Limited Minimizing unwanted responses in haptic systems
US10966683B2 (en) * 2018-03-22 2021-04-06 Exo Imaging Inc. Integrated ultrasonic transducers
US10656007B2 (en) 2018-04-11 2020-05-19 Exo Imaging Inc. Asymmetrical ultrasound transducer array
US10648852B2 (en) 2018-04-11 2020-05-12 Exo Imaging Inc. Imaging devices having piezoelectric transceivers
SG11202010752VA (en) 2018-05-02 2020-11-27 Ultrahaptics Ip Ltd Blocking plate structure for improved acoustic transmission efficiency
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US11098951B2 (en) 2018-09-09 2021-08-24 Ultrahaptics Ip Ltd Ultrasonic-assisted liquid manipulation
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US12373033B2 (en) 2019-01-04 2025-07-29 Ultrahaptics Ip Ltd Mid-air haptic textures
US11842517B2 (en) 2019-04-12 2023-12-12 Ultrahaptics Ip Ltd Using iterative 3D-model fitting for domain adaptation of a hand-pose-estimation neural network
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CN114631139A (zh) 2019-10-13 2022-06-14 超飞跃有限公司 利用虚拟麦克风进行动态封顶
US11374586B2 (en) 2019-10-13 2022-06-28 Ultraleap Limited Reducing harmonic distortion by dithering
US11715453B2 (en) 2019-12-25 2023-08-01 Ultraleap Limited Acoustic transducer structures
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US11886639B2 (en) 2020-09-17 2024-01-30 Ultraleap Limited Ultrahapticons
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Also Published As

Publication number Publication date
RU2013146954A (ru) 2015-04-27
CN103501922B (zh) 2016-08-17
JP5961246B2 (ja) 2016-08-02
US20130331705A1 (en) 2013-12-12
JP2014510489A (ja) 2014-04-24
RU2589272C2 (ru) 2016-07-10
CN103501922A (zh) 2014-01-08
WO2012127360A2 (en) 2012-09-27
EP2688686B1 (en) 2022-08-17
EP2688686A2 (en) 2014-01-29
WO2012127360A3 (en) 2013-04-25

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Legal Events

Date Code Title Description
B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B11B Dismissal acc. art. 36, par 1 of ipl - no reply within 90 days to fullfil the necessary requirements