AU2742795A - Ultrasonic transducer and method for making same - Google Patents

Ultrasonic transducer and method for making same

Info

Publication number
AU2742795A
AU2742795A AU27427/95A AU2742795A AU2742795A AU 2742795 A AU2742795 A AU 2742795A AU 27427/95 A AU27427/95 A AU 27427/95A AU 2742795 A AU2742795 A AU 2742795A AU 2742795 A AU2742795 A AU 2742795A
Authority
AU
Australia
Prior art keywords
ultrasonic transducer
making same
making
same
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.)
Abandoned
Application number
AU27427/95A
Inventor
Beatrice Bonvalot
Minh-Trang Chau
Gabriel Marquette
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.)
Itron Soluciones de Medida Espana SA
Original Assignee
Itron Soluciones de Medida Espana SA
Schlumberger SA
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 Itron Soluciones de Medida Espana SA, Schlumberger SA filed Critical Itron Soluciones de Medida Espana SA
Publication of AU2742795A publication Critical patent/AU2742795A/en
Abandoned legal-status Critical Current

Links

Classifications

    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Pressure Sensors (AREA)
  • Transducers For Ultrasonic Waves (AREA)
AU27427/95A 1994-06-17 1995-06-08 Ultrasonic transducer and method for making same Abandoned AU2742795A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9407488 1994-06-17
FR9407488A FR2721471B1 (en) 1994-06-17 1994-06-17 Ultrasonic transducer and method of manufacturing such a transducer.
PCT/FR1995/000753 WO1995035642A1 (en) 1994-06-17 1995-06-08 Ultrasonic transducer and method for making same

Publications (1)

Publication Number Publication Date
AU2742795A true AU2742795A (en) 1996-01-15

Family

ID=9464371

Family Applications (1)

Application Number Title Priority Date Filing Date
AU27427/95A Abandoned AU2742795A (en) 1994-06-17 1995-06-08 Ultrasonic transducer and method for making same

Country Status (4)

Country Link
EP (1) EP0765590A1 (en)
AU (1) AU2742795A (en)
FR (1) FR2721471B1 (en)
WO (1) WO1995035642A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6430109B1 (en) 1999-09-30 2002-08-06 The Board Of Trustees Of The Leland Stanford Junior University Array of capacitive micromachined ultrasonic transducer elements with through wafer via connections
ITRM20050093A1 (en) * 2005-03-04 2006-09-05 Consiglio Nazionale Ricerche MICROMECHANICAL SURFACE PROCEDURE FOR THE MANUFACTURE OF ULTRACUSTIC TRANSDUCERS MICRO-FINISHED CAPACITORS AND THEIR ULTRACUSTIC CAPACITIVE MICROLAVORIZED TRANSDUCER.

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0561566B1 (en) * 1992-03-18 1999-07-28 Knowles Electronics, Inc. Solid state condenser and microphone

Also Published As

Publication number Publication date
WO1995035642A1 (en) 1995-12-28
FR2721471A1 (en) 1995-12-22
FR2721471B1 (en) 1996-08-02
EP0765590A1 (en) 1997-04-02

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