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
Links
- 239000000919 ceramic Substances 0.000 title abstract 4
- 239000011344 liquid material Substances 0.000 abstract 1
- 239000011343 solid material Substances 0.000 abstract 1
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)
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
CN1998095B (zh) | 2004-04-20 | 2010-11-03 | 视声公司 | 阵列式超声换能器 |
WO2006088708A2 (en) * | 2005-02-15 | 2006-08-24 | The Ultran Group, Inc. | Multi-layer gas matrix piezoelectric composite transducer |
JP5630958B2 (ja) | 2005-11-02 | 2014-11-26 | ビジュアルソニックス インコーポレイテッド | 高周波数アレイ超音波システム |
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)
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 Ind 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 |
-
1990
- 1990-12-07 US US07/624,209 patent/US5065068A/en not_active Expired - Lifetime
-
1991
- 1991-12-04 DE DE69114111T patent/DE69114111T2/de not_active Expired - Fee Related
- 1991-12-04 EP EP91120849A patent/EP0490260B1/de not_active Expired - Lifetime
- 1991-12-04 AT AT91120849T patent/ATE129441T1/de not_active IP Right Cessation
- 1991-12-06 JP JP3323054A patent/JPH05219595A/ja not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
EP0490260A3 (en) | 1993-11-18 |
DE69114111D1 (de) | 1995-11-30 |
EP0490260A2 (de) | 1992-06-17 |
EP0490260B1 (de) | 1995-10-25 |
US5065068A (en) | 1991-11-12 |
DE69114111T2 (de) | 1996-04-04 |
JPH05219595A (ja) | 1993-08-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |