CN105635922B - 电容式换能器和样本信息获取装置 - Google Patents

电容式换能器和样本信息获取装置 Download PDF

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Publication number
CN105635922B
CN105635922B CN201510786812.8A CN201510786812A CN105635922B CN 105635922 B CN105635922 B CN 105635922B CN 201510786812 A CN201510786812 A CN 201510786812A CN 105635922 B CN105635922 B CN 105635922B
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electrode
capacitance
type transducer
electrostatic screen
unit
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CN201510786812.8A
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Chinese (zh)
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CN105635922A (zh
Inventor
香取笃史
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Canon Inc
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Canon Inc
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R19/00—Electrostatic transducers
    • H04R19/04—Microphones
    • 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
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/22—Details, e.g. general constructional or apparatus details
    • G01N29/221—Arrangements for directing or focusing the acoustical waves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/22—Details, e.g. general constructional or apparatus details
    • G01N29/24—Probes
    • G01N29/2406—Electrostatic or capacitive probes, e.g. electret or cMUT-probes
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/22—Details, e.g. general constructional or apparatus details
    • G01N29/24—Probes
    • G01N29/2418—Probes using optoacoustic interaction with the material, e.g. laser radiation, photoacoustics
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/44—Processing the detected response signal, e.g. electronic circuits specially adapted therefor

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Biochemistry (AREA)
  • Analytical Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Optics & Photonics (AREA)
  • Mechanical Engineering (AREA)
  • Gynecology & Obstetrics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Biophysics (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
CN201510786812.8A 2014-11-20 2015-11-17 电容式换能器和样本信息获取装置 Active CN105635922B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2014-236048 2014-11-20
JP2014236048A JP2016097033A (ja) 2014-11-20 2014-11-20 静電容量型トランスデューサ、及び被検体情報取得装置

Publications (2)

Publication Number Publication Date
CN105635922A CN105635922A (zh) 2016-06-01
CN105635922B true CN105635922B (zh) 2019-07-23

Family

ID=54608388

Family Applications (1)

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CN201510786812.8A Active CN105635922B (zh) 2014-11-20 2015-11-17 电容式换能器和样本信息获取装置

Country Status (4)

Country Link
US (1) US10350636B2 (enExample)
EP (1) EP3023778B1 (enExample)
JP (1) JP2016097033A (enExample)
CN (1) CN105635922B (enExample)

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CN105518885B (zh) 2013-12-02 2018-02-16 东芝北斗电子株式会社 发光装置
JP2016097033A (ja) * 2014-11-20 2016-05-30 キヤノン株式会社 静電容量型トランスデューサ、及び被検体情報取得装置
JP2016122759A (ja) * 2014-12-25 2016-07-07 キヤノン株式会社 貫通配線を有する電子デバイスの作製方法
JP6544037B2 (ja) * 2015-05-18 2019-07-17 株式会社リコー 発電素子ユニット、及び発電装置
US10918356B2 (en) * 2016-11-22 2021-02-16 General Electric Company Ultrasound transducers having electrical traces on acoustic backing structures and methods of making the same
JP6852366B2 (ja) * 2016-11-29 2021-03-31 セイコーエプソン株式会社 超音波デバイス、及び超音波装置
JP2018126389A (ja) * 2017-02-09 2018-08-16 キヤノン株式会社 情報処理装置、情報処理方法、およびプログラム
JP6939219B2 (ja) * 2017-08-03 2021-09-22 セイコーエプソン株式会社 超音波装置
US11738369B2 (en) * 2020-02-17 2023-08-29 GE Precision Healthcare LLC Capactive micromachined transducer having a high contact resistance part

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US3749948A (en) * 1971-06-21 1973-07-31 Seismic Logs Pressure transducer
CN101238754A (zh) * 2005-10-18 2008-08-06 株式会社日立制作所 超声波换能器、超声波探头以及超声波摄像装置
CN102281818A (zh) * 2009-01-16 2011-12-14 株式会社日立医疗器械 超声波探头的制造方法以及超声波探头
CN103521421A (zh) * 2012-07-06 2014-01-22 佳能株式会社 电容式换能器、其制造方法和被检体信息获取装置
CN104145179A (zh) * 2011-10-11 2014-11-12 Mks仪器公司 压力传感器

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JP2016097033A (ja) * 2014-11-20 2016-05-30 キヤノン株式会社 静電容量型トランスデューサ、及び被検体情報取得装置
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Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3749948A (en) * 1971-06-21 1973-07-31 Seismic Logs Pressure transducer
CN101238754A (zh) * 2005-10-18 2008-08-06 株式会社日立制作所 超声波换能器、超声波探头以及超声波摄像装置
CN102281818A (zh) * 2009-01-16 2011-12-14 株式会社日立医疗器械 超声波探头的制造方法以及超声波探头
CN104145179A (zh) * 2011-10-11 2014-11-12 Mks仪器公司 压力传感器
CN103521421A (zh) * 2012-07-06 2014-01-22 佳能株式会社 电容式换能器、其制造方法和被检体信息获取装置

Also Published As

Publication number Publication date
US20160144402A1 (en) 2016-05-26
CN105635922A (zh) 2016-06-01
EP3023778B1 (en) 2018-06-06
EP3023778A1 (en) 2016-05-25
US10350636B2 (en) 2019-07-16
JP2016097033A (ja) 2016-05-30

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