CA2054698A1 - Sonde ultrasonore - Google Patents

Sonde ultrasonore

Info

Publication number
CA2054698A1
CA2054698A1 CA 2054698 CA2054698A CA2054698A1 CA 2054698 A1 CA2054698 A1 CA 2054698A1 CA 2054698 CA2054698 CA 2054698 CA 2054698 A CA2054698 A CA 2054698A CA 2054698 A1 CA2054698 A1 CA 2054698A1
Authority
CA
Canada
Prior art keywords
piezoelectric
ultrasonic probe
piezoelectric elements
electromechanical coupling
polymer material
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.)
Abandoned
Application number
CA 2054698
Other languages
English (en)
Inventor
Kohetsu Saitoh
Yasushi Koishihara
Fumika Shinoda
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.)
Panasonic Holdings Corp
Original Assignee
Individual
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
Priority claimed from JP2071083A external-priority patent/JPH03270282A/ja
Priority claimed from JP7108490A external-priority patent/JPH03270599A/ja
Priority claimed from JP2071085A external-priority patent/JPH03270597A/ja
Priority claimed from JP2071082A external-priority patent/JPH03270598A/ja
Application filed by Individual filed Critical Individual
Publication of CA2054698A1 publication Critical patent/CA2054698A1/fr
Abandoned legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B06GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06BMETHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/02Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
    • B06B1/06Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
    • B06B1/0607Methods 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
    • B06B1/0622Methods 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 on one surface
    • B06B1/0629Square array
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B06GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06BMETHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/02Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
    • B06B1/06Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Transducers For Ultrasonic Waves (AREA)
CA 2054698 1990-03-20 1991-03-19 Sonde ultrasonore Abandoned CA2054698A1 (fr)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
JP2071083A JPH03270282A (ja) 1990-03-20 1990-03-20 複合圧電体
JP02-071082 1990-03-20
JP7108490A JPH03270599A (ja) 1990-03-20 1990-03-20 超音波探触子
JP2071085A JPH03270597A (ja) 1990-03-20 1990-03-20 超音波探触子
JP02-071084 1990-03-20
JP02-071083 1990-03-20
JP02-071085 1990-03-20
JP2071082A JPH03270598A (ja) 1990-03-20 1990-03-20 複合圧電体

Publications (1)

Publication Number Publication Date
CA2054698A1 true CA2054698A1 (fr) 1991-09-21

Family

ID=27465317

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2054698 Abandoned CA2054698A1 (fr) 1990-03-20 1991-03-19 Sonde ultrasonore

Country Status (3)

Country Link
EP (1) EP0480045A4 (fr)
CA (1) CA2054698A1 (fr)
WO (1) WO1991015090A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5381067A (en) * 1993-03-10 1995-01-10 Hewlett-Packard Company Electrical impedance normalization for an ultrasonic transducer array
US7287537B2 (en) * 2002-01-29 2007-10-30 Akrion Technologies, Inc. Megasonic probe energy director
JP2005027752A (ja) * 2003-07-08 2005-02-03 Toshiba Corp 圧電振動子、圧電振動子の製造方法、超音波探触子および超音波診断装置
US9095880B2 (en) 2010-06-30 2015-08-04 Nec Corporation Oscillator
CN102986249B (zh) * 2010-07-23 2015-08-12 日本电气株式会社 振荡器和电子设备
WO2021210055A1 (fr) 2020-04-14 2021-10-21 本多電子株式会社 Vibreur ultrasonore pour traitement médical

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4518889A (en) * 1982-09-22 1985-05-21 North American Philips Corporation Piezoelectric apodized ultrasound transducers
JPS59183098U (ja) * 1983-05-24 1984-12-06 オムロン株式会社 圧電装置
JPS605133A (ja) * 1983-05-26 1985-01-11 アドバンスト・テクノロジ−・ラボラトリ−ズ・インコ−ポレイテツド 振動モ−ドを改良した超音波変換器
FR2565033B1 (fr) * 1984-05-22 1987-06-05 Labo Electronique Physique Dispositif de transduction ultrasonore a reseau d'elements transducteurs piezoelectriques
JPH069553B2 (ja) * 1984-09-25 1994-02-09 株式会社日立製作所 超音波探触子
JPH01120998A (ja) * 1987-11-04 1989-05-12 Shimadzu Corp 超音波探触子

Also Published As

Publication number Publication date
EP0480045A1 (fr) 1992-04-15
EP0480045A4 (en) 1993-04-14
WO1991015090A1 (fr) 1991-10-03

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Legal Events

Date Code Title Description
EEER Examination request
FZDE Dead