CN108366774A - 电容式微机械超声换能器（cmut）的偏置及相关装置和方法 - Google Patents

电容式微机械超声换能器（cmut）的偏置及相关装置和方法 Download PDF

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Publication number
CN108366774A
CN108366774A CN201680069783.6A CN201680069783A CN108366774A CN 108366774 A CN108366774 A CN 108366774A CN 201680069783 A CN201680069783 A CN 201680069783A CN 108366774 A CN108366774 A CN 108366774A
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CN
China
Prior art keywords
bias
ultrasound
transducers
substrate
ultrasonic
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
CN201680069783.6A
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English (en)
Chinese (zh)
Inventor
苏珊·A·阿列
海梅·斯科特·扎霍里安
陈凯亮
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Butterfly Network Inc
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Butterfly Network Inc
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Filing date
Publication date
Application filed by Butterfly Network Inc filed Critical Butterfly Network Inc
Publication of CN108366774A publication Critical patent/CN108366774A/zh
Pending legal-status Critical Current

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Classifications

    • 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
    • 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
    • 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
    • B06B1/0207—Driving circuits
    • 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
    • A61B8/4488—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device characterised by features of the ultrasound transducer the transducer being a phased array
    • 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
    • B06B1/06—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
    • B06B1/0607—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using multiple elements
    • B06B1/0611—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using multiple elements in a pile
    • B06B1/0614—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using multiple elements in a pile for generating several frequencies

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Micromachines (AREA)
CN201680069783.6A 2015-12-02 2016-12-01 电容式微机械超声换能器（cmut）的偏置及相关装置和方法 Pending CN108366774A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US14/957,098 2015-12-02
US14/957,098 US9987661B2 (en) 2015-12-02 2015-12-02 Biasing of capacitive micromachined ultrasonic transducers (CMUTs) and related apparatus and methods
PCT/US2016/064325 WO2017095988A1 (en) 2015-12-02 2016-12-01 Biasing of capacitive micromachined ultrasonic transducers (cmuts) and related apparatus and methods

Publications (1)

Publication Number Publication Date
CN108366774A true CN108366774A (zh) 2018-08-03

Family

ID=58797703

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201680069783.6A Pending CN108366774A (zh) 2015-12-02 2016-12-01 电容式微机械超声换能器（cmut）的偏置及相关装置和方法

Country Status (10)

Country Link
US (2) US9987661B2 (https=)
EP (1) EP3383277B1 (https=)
JP (1) JP2019504534A (https=)
KR (1) KR102121137B1 (https=)
CN (1) CN108366774A (https=)
AU (1) AU2016365309B2 (https=)
CA (1) CA3006505A1 (https=)
ES (1) ES2909488T3 (https=)
TW (1) TWI705858B (https=)
WO (1) WO2017095988A1 (https=)

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CN113477495A (zh) * 2021-06-26 2021-10-08 西北工业大学 一种基于堆栈排列的双频长焦深超声换能器

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