ATE129441T1 - Ferroelektrischer keramischer wandler. - Google Patents

Ferroelektrischer keramischer wandler.

Info

Publication number
ATE129441T1
ATE129441T1 AT91120849T AT91120849T ATE129441T1 AT E129441 T1 ATE129441 T1 AT E129441T1 AT 91120849 T AT91120849 T AT 91120849T AT 91120849 T AT91120849 T AT 91120849T AT E129441 T1 ATE129441 T1 AT E129441T1
Authority
AT
Austria
Prior art keywords
ferroelectric ceramic
transducer
ceramic transducer
posts
ceramic
Prior art date
Application number
AT91120849T
Other languages
English (en)
Inventor
Clyde G Oakley
Original Assignee
Interspec Inc
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 Interspec Inc filed Critical Interspec Inc
Application granted granted Critical
Publication of ATE129441T1 publication Critical patent/ATE129441T1/de

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
    • 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
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N30/00—Piezoelectric or electrostrictive devices
    • H10N30/01—Manufacture or treatment
    • H10N30/06—Forming electrodes or interconnections, e.g. leads or terminals
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N30/00—Piezoelectric or electrostrictive devices
    • H10N30/80—Constructional details
    • H10N30/85—Piezoelectric or electrostrictive active materials
    • H10N30/852—Composite materials, e.g. having 1-3 or 2-2 type connectivity

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Materials Engineering (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Inorganic Insulating Materials (AREA)
AT91120849T 1990-12-07 1991-12-04 Ferroelektrischer keramischer wandler. ATE129441T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/624,209 US5065068A (en) 1989-06-07 1990-12-07 Ferroelectric ceramic transducer

Publications (1)

Publication Number Publication Date
ATE129441T1 true ATE129441T1 (de) 1995-11-15

Family

ID=24501111

Family Applications (1)

Application Number Title Priority Date Filing Date
AT91120849T ATE129441T1 (de) 1990-12-07 1991-12-04 Ferroelektrischer keramischer wandler.

Country Status (5)

Country Link
US (1) US5065068A (de)
EP (1) EP0490260B1 (de)
JP (1) JPH05219595A (de)
AT (1) ATE129441T1 (de)
DE (1) DE69114111T2 (de)

Families Citing this family (25)

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US5239518A (en) * 1992-05-15 1993-08-24 Allied-Signal Inc. Low frequency sonar projector and method
JP3243047B2 (ja) * 1993-03-12 2002-01-07 呉羽化学工業株式会社 受波型圧電素子
US5325011A (en) * 1993-06-09 1994-06-28 The United States Of America As Represented By The Asecretary Of The Navy Transducers and method for making same
US5396143A (en) * 1994-05-20 1995-03-07 Hewlett-Packard Company Elevation aperture control of an ultrasonic transducer
US5648942A (en) * 1995-10-13 1997-07-15 Advanced Technology Laboratories, Inc. Acoustic backing with integral conductors for an ultrasonic transducer
DE19538678C2 (de) * 1995-10-17 1998-12-10 Endress Hauser Gmbh Co Anordnung zur Überwachung eines vorbestimmten Füllstands einer Flüssigkeit in einem Behälter
US6043590A (en) * 1997-04-18 2000-03-28 Atl Ultrasound Composite transducer with connective backing block
US6049159A (en) * 1997-10-06 2000-04-11 Albatros Technologies, Inc. Wideband acoustic transducer
US6438070B1 (en) 1999-10-04 2002-08-20 Halliburton Energy Services, Inc. Hydrophone for use in a downhole tool
US6288477B1 (en) 1999-12-03 2001-09-11 Atl Ultrasound Composite ultrasonic transducer array operating in the K31 mode
US6384516B1 (en) 2000-01-21 2002-05-07 Atl Ultrasound, Inc. Hex packed two dimensional ultrasonic transducer arrays
AUPR152700A0 (en) 2000-11-15 2000-12-14 Australian Dehydration Technologies Pty Ltd Animal feed
CN1263173C (zh) * 2001-12-06 2006-07-05 松下电器产业株式会社 复合压电体及其制造方法
US7382082B2 (en) * 2002-08-14 2008-06-03 Bhardwaj Mahesh C Piezoelectric transducer with gas matrix
WO2005104210A2 (en) 2004-04-20 2005-11-03 Visualsonics Inc. Arrayed ultrasonic transducer
EP1849195A4 (de) * 2005-02-15 2011-12-07 Ultran Group Inc Mehrschichtiger piezoelektrischer gasmatrixverbundwandler
CA2628100C (en) 2005-11-02 2016-08-23 Visualsonics Inc. High frequency array ultrasound system
FR2922607A1 (fr) * 2007-10-22 2009-04-24 Thierry Vardon Generatrice d'electricite a partir du mouvement du vent au contact d'une structure agissant sur des elements piezoelectriques
US20090108710A1 (en) 2007-10-29 2009-04-30 Visualsonics Inc. High Frequency Piezocomposite And Methods For Manufacturing Same
US7812508B2 (en) * 2008-02-06 2010-10-12 Innowattech Ltd. Power harvesting from railway; apparatus, system and method
US8390594B2 (en) * 2009-08-18 2013-03-05 Immersion Corporation Haptic feedback using composite piezoelectric actuator
US9530955B2 (en) 2011-11-18 2016-12-27 Acist Medical Systems, Inc. Ultrasound transducer and processing methods thereof
US9536511B2 (en) * 2013-12-31 2017-01-03 Acist Medical Systems, Inc. Ultrasound transducer stack
US9809720B2 (en) * 2015-07-06 2017-11-07 University Of Massachusetts Ferroelectric nanocomposite based dielectric inks for reconfigurable RF and microwave applications
US10839992B1 (en) 2019-05-17 2020-11-17 Raytheon Company Thick film resistors having customizable resistances and methods of manufacture

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2831175A (en) * 1945-10-01 1958-04-15 Gen Electric Electroacoustic transducer
BE545751A (de) * 1955-03-08
US3470394A (en) * 1967-11-09 1969-09-30 Us Navy Double serrated crystal transducer
US3833825A (en) * 1973-04-11 1974-09-03 Honeywell Inc Wide-band electroacoustic transducer
US3964014A (en) * 1974-10-15 1976-06-15 General Electric Company Sonic transducer array
DE2929541A1 (de) * 1979-07-20 1981-02-05 Siemens Ag Ultraschallwandleranordnung
US4390976A (en) * 1981-01-27 1983-06-28 The United States Of America As Represented By The Secretary Of The Navy Acoustic signal conditioning device
US4412148A (en) * 1981-04-24 1983-10-25 The United States Of America As Represented By The Secretary Of The Navy PZT Composite and a fabrication method thereof
US4422003A (en) * 1982-08-16 1983-12-20 The United States Of America As Represented By The Secretary Of The Navy Perforated PZT polymer composites
US4518889A (en) * 1982-09-22 1985-05-21 North American Philips Corporation Piezoelectric apodized ultrasound transducers
DE3437862A1 (de) * 1983-10-17 1985-05-23 Hitachi Medical Corp., Tokio/Tokyo Ultraschallwandler und verfahren zu seiner herstellung
JPS6086999A (ja) * 1983-10-19 1985-05-16 Hitachi Ltd 超音波探触子の製造方法
JPS60100950A (ja) * 1983-11-09 1985-06-04 松下電器産業株式会社 超音波探触子
JPS60140153A (ja) * 1983-12-28 1985-07-25 Toshiba Corp 超音波探触子の製造方法
US4613784A (en) * 1984-12-21 1986-09-23 The United States Of America As Represented By The Secretary Of The Navy Transversely reinforced piezoelectric composites
DE3501808A1 (de) * 1985-01-21 1986-07-24 Siemens AG, 1000 Berlin und 8000 München Ultraschallwandler
DE3683509D1 (de) * 1985-02-08 1992-03-05 Matsushita Electric Industrial Co Ltd Ultraschallwandler.
US4640291A (en) * 1985-06-27 1987-02-03 North American Philips Corporation Bi-plane phased array for ultrasound medical imaging
US4671293A (en) * 1985-10-15 1987-06-09 North American Philips Corporation Biplane phased array for ultrasonic medical imaging
JPS6382100A (ja) * 1986-09-26 1988-04-12 Hitachi Ltd 圧電素子およびその製造方法
US4801835A (en) * 1986-10-06 1989-01-31 Hitachi Medical Corp. Ultrasonic probe using piezoelectric composite material
US4728845A (en) * 1987-06-30 1988-03-01 The United States Of America As Represented By The Secretary Of The Navy 1-3-0 Connectivity piezoelectric composite with void
US4869768A (en) * 1988-07-15 1989-09-26 North American Philips Corp. Ultrasonic transducer arrays made from composite piezoelectric materials

Also Published As

Publication number Publication date
JPH05219595A (ja) 1993-08-27
EP0490260B1 (de) 1995-10-25
EP0490260A3 (en) 1993-11-18
US5065068A (en) 1991-11-12
DE69114111D1 (de) 1995-11-30
DE69114111T2 (de) 1996-04-04
EP0490260A2 (de) 1992-06-17

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Legal Events

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RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties