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FR2634089B1 - Transducteur ultrasonore a sensibilite amelioree - Google Patents

Transducteur ultrasonore a sensibilite amelioree

Info

Publication number
FR2634089B1
FR2634089B1 FR8809295A FR8809295A FR2634089B1 FR 2634089 B1 FR2634089 B1 FR 2634089B1 FR 8809295 A FR8809295 A FR 8809295A FR 8809295 A FR8809295 A FR 8809295A FR 2634089 B1 FR2634089 B1 FR 2634089B1
Authority
FR
France
Prior art keywords
ultrasonic transducer
improved sensitivity
sensitivity
improved
transducer
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.)
Expired - Lifetime
Application number
FR8809295A
Other languages
English (en)
Other versions
FR2634089A1 (fr
Inventor
Luc Chofflet
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.)
Laboratoires dElectronique Philips SAS
Original Assignee
Laboratoires dElectronique et de Physique Appliquee
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 Laboratoires dElectronique et de Physique Appliquee filed Critical Laboratoires dElectronique et de Physique Appliquee
Priority to FR8809295A priority Critical patent/FR2634089B1/fr
Publication of FR2634089A1 publication Critical patent/FR2634089A1/fr
Application granted granted Critical
Publication of FR2634089B1 publication Critical patent/FR2634089B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • 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
    • B06B1/0644—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 a single piezoelectric element
    • B06B1/0662—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 a single piezoelectric element with an electrode on the sensitive surface
    • B06B1/0681—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 a single piezoelectric element with an electrode on the sensitive surface and a damping structure
    • B06B1/0685—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 a single piezoelectric element with an electrode on the sensitive surface and a damping structure on the back only of piezoelectric elements
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
FR8809295A 1988-07-08 1988-07-08 Transducteur ultrasonore a sensibilite amelioree Expired - Lifetime FR2634089B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8809295A FR2634089B1 (fr) 1988-07-08 1988-07-08 Transducteur ultrasonore a sensibilite amelioree

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8809295A FR2634089B1 (fr) 1988-07-08 1988-07-08 Transducteur ultrasonore a sensibilite amelioree

Publications (2)

Publication Number Publication Date
FR2634089A1 FR2634089A1 (fr) 1990-01-12
FR2634089B1 true FR2634089B1 (fr) 1990-10-05

Family

ID=9368246

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8809295A Expired - Lifetime FR2634089B1 (fr) 1988-07-08 1988-07-08 Transducteur ultrasonore a sensibilite amelioree

Country Status (1)

Country Link
FR (1) FR2634089B1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5625149A (en) * 1994-07-27 1997-04-29 Hewlett-Packard Company Ultrasonic transductor
CA2799717C (fr) * 2010-05-21 2019-09-03 Misonix Incorporated Transducteur ultrasonore piezocomposite bimode

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4240003A (en) * 1979-03-12 1980-12-16 Hewlett-Packard Company Apparatus and method for suppressing mass/spring mode in acoustic imaging transducers
JPS5994990A (ja) * 1982-11-22 1984-05-31 Mitsubishi Electric Corp 超音波探触子
DE3425992C2 (de) * 1984-07-14 1986-10-09 Richard Wolf Gmbh, 7134 Knittlingen Piezoelektrischer Wandler zur Zerstörung von Konkrementen im Körperinneren

Also Published As

Publication number Publication date
FR2634089A1 (fr) 1990-01-12

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Legal Events

Date Code Title Description
CD Change of name or company name
CD Change of name or company name
CJ Change in legal form
TP Transmission of property
ST Notification of lapse