ATE45054T1 - Poroese anpassungsschicht in einem ultraschallapplikator. - Google Patents
Poroese anpassungsschicht in einem ultraschallapplikator.Info
- Publication number
- ATE45054T1 ATE45054T1 AT85109705T AT85109705T ATE45054T1 AT E45054 T1 ATE45054 T1 AT E45054T1 AT 85109705 T AT85109705 T AT 85109705T AT 85109705 T AT85109705 T AT 85109705T AT E45054 T1 ATE45054 T1 AT E45054T1
- Authority
- AT
- Austria
- Prior art keywords
- adjustment layer
- ultrasonic applicator
- porous
- porous adjustment
- piezo
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/02—Mechanical acoustic impedances; Impedance matching, e.g. by horns; Acoustic resonators
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Transducers For Ultrasonic Waves (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
- Materials For Medical Uses (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19843430161 DE3430161A1 (de) | 1984-08-16 | 1984-08-16 | Poroese anpassungsschicht in einem ultraschallapplikator |
EP85109705A EP0173864B1 (de) | 1984-08-16 | 1985-08-02 | Poröse Anpassungsschicht in einem Ultraschallapplikator |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE45054T1 true ATE45054T1 (de) | 1989-08-15 |
Family
ID=6243197
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT85109705T ATE45054T1 (de) | 1984-08-16 | 1985-08-02 | Poroese anpassungsschicht in einem ultraschallapplikator. |
Country Status (5)
Country | Link |
---|---|
US (1) | US4686409A (de) |
EP (1) | EP0173864B1 (de) |
JP (1) | JPH0644837B2 (de) |
AT (1) | ATE45054T1 (de) |
DE (2) | DE3430161A1 (de) |
Families Citing this family (43)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3430186A1 (de) * | 1984-08-16 | 1986-02-27 | Siemens AG, 1000 Berlin und 8000 München | Verfahren zur herstellung eines poroesen piezoelektrischen materials und nach diesem verfahren hergestelltes material |
JPS61169099A (ja) * | 1985-01-22 | 1986-07-30 | Matsushita Electric Ind Co Ltd | 超音波送受波器 |
US5119840A (en) * | 1986-04-07 | 1992-06-09 | Kaijo Kenki Co., Ltd. | Ultrasonic oscillating device and ultrasonic washing apparatus using the same |
DE8611844U1 (de) * | 1986-04-30 | 1986-08-07 | Siemens AG, 1000 Berlin und 8000 München | Ultraschall-Applikator mit einer Anpassungsschicht |
JPS6313497A (ja) * | 1986-07-02 | 1988-01-20 | Nec Corp | 水中広帯域送受波器 |
JP2794720B2 (ja) * | 1988-08-23 | 1998-09-10 | 松下電器産業株式会社 | 複合圧電振動子 |
GB2225426B (en) * | 1988-09-29 | 1993-05-26 | Michael John Gill | A transducer |
JP2745147B2 (ja) * | 1989-03-27 | 1998-04-28 | 三菱マテリアル 株式会社 | 圧電変換素子 |
US4928264A (en) * | 1989-06-30 | 1990-05-22 | The United States Of America As Represented By The Secretary Of The Navy | Noise-suppressing hydrophones |
DE3932959C1 (de) * | 1989-10-03 | 1991-04-11 | Richard Wolf Gmbh, 7134 Knittlingen, De | |
US5275878A (en) * | 1990-02-06 | 1994-01-04 | Matsushita Electric Works, Ltd. | Composite dielectric and printed-circuit use substrate utilizing the same |
DE4117638A1 (de) * | 1990-05-30 | 1991-12-05 | Toshiba Kawasaki Kk | Stosswellengenerator mit einem piezoelektrischen element |
DE4028315A1 (de) * | 1990-09-06 | 1992-03-12 | Siemens Ag | Ultraschallwandler fuer die laufzeitmessung von ultraschall-impulsen in einem gas |
US5121628A (en) * | 1990-10-09 | 1992-06-16 | Merkl Arthur W | Ultrasonic detection system |
US5300852A (en) * | 1991-10-04 | 1994-04-05 | Honda Giken Kogyo Kabushiki Kaisha | Piezoelectric ceramic laminate device |
US5410205A (en) * | 1993-02-11 | 1995-04-25 | Hewlett-Packard Company | Ultrasonic transducer having two or more resonance frequencies |
JP3358851B2 (ja) * | 1993-03-11 | 2002-12-24 | 本田技研工業株式会社 | 感湿性アクチュエータ |
US5371717A (en) * | 1993-06-15 | 1994-12-06 | Hewlett-Packard Company | Microgrooves for apodization and focussing of wideband clinical ultrasonic transducers |
US5460181A (en) * | 1994-10-06 | 1995-10-24 | Hewlett Packard Co. | Ultrasonic transducer for three dimensional imaging |
US5434827A (en) * | 1993-06-15 | 1995-07-18 | Hewlett-Packard Company | Matching layer for front acoustic impedance matching of clinical ultrasonic tranducers |
US5553035A (en) * | 1993-06-15 | 1996-09-03 | Hewlett-Packard Company | Method of forming integral transducer and impedance matching layers |
JP3926448B2 (ja) * | 1997-12-01 | 2007-06-06 | 株式会社日立メディコ | 超音波探触子及びこれを用いた超音波診断装置 |
EP0979686A3 (de) * | 1998-08-12 | 2002-02-06 | Ueda Japan Radio Co., Ltd. | Poröser Piezoelektische-keramikschicht und PiezoelectrischerWandler |
JP4223629B2 (ja) * | 1999-06-16 | 2009-02-12 | 日本特殊陶業株式会社 | 超音波探触子用送受波素子及びその製造方法並びに該送受波素子を用いた超音波探触子 |
GB0019140D0 (en) * | 2000-08-05 | 2000-09-27 | Univ Strathclyde | Ultrasonic transducers |
ES2239500B1 (es) * | 2003-03-07 | 2006-12-01 | Consejo Sup. Investig. Cientificas | Dispositivo para la caracterizacion de materiales por ultrasonidos con acoplamiento por gases (aire) y su aplicacion para llevar a cabo un test no destructivo para verificar la integridad de membranas porosas. |
US7513147B2 (en) * | 2003-07-03 | 2009-04-07 | Pathfinder Energy Services, Inc. | Piezocomposite transducer for a downhole measurement tool |
US7075215B2 (en) * | 2003-07-03 | 2006-07-11 | Pathfinder Energy Services, Inc. | Matching layer assembly for a downhole acoustic sensor |
US20050039323A1 (en) * | 2003-08-22 | 2005-02-24 | Simens Medical Solutions Usa, Inc. | Transducers with electically conductive matching layers and methods of manufacture |
DE10344741A1 (de) * | 2003-09-25 | 2005-04-14 | Endress + Hauser Gmbh + Co. Kg | Schall- oder Ultraschallwandler |
DE102005063652B3 (de) | 2005-06-09 | 2020-06-04 | Tdk Electronics Ag | Piezoelektrisches Vielschichtbauelement |
JP2007288289A (ja) * | 2006-04-13 | 2007-11-01 | Honda Electronic Co Ltd | 超音波振動子及び超音波洗浄機 |
US7587936B2 (en) * | 2007-02-01 | 2009-09-15 | Smith International Inc. | Apparatus and method for determining drilling fluid acoustic properties |
US8117907B2 (en) * | 2008-12-19 | 2012-02-21 | Pathfinder Energy Services, Inc. | Caliper logging using circumferentially spaced and/or angled transducer elements |
DE102008055123B3 (de) | 2008-12-23 | 2010-07-22 | Robert Bosch Gmbh | Ultraschallwandler zum Einsatz in einem fluiden Medium |
US8283999B2 (en) * | 2010-02-23 | 2012-10-09 | Avago Technologies Wireless Ip (Singapore) Pte. Ltd. | Bulk acoustic resonator structures comprising a single material acoustic coupling layer comprising inhomogeneous acoustic property |
US8413762B1 (en) * | 2011-12-08 | 2013-04-09 | Gulfstream Aerospace Corporation | Thermal-acoustic sections for an aircraft |
US11007686B2 (en) * | 2014-10-01 | 2021-05-18 | Surf Technology As | Ultrasound transducer matching layers and method of manufacturing |
WO2016077560A1 (en) * | 2014-11-12 | 2016-05-19 | The Trustees Of Dartmouth College | Porous piezoelectric material with dense surface, and associated methods and devices |
JP6572812B2 (ja) * | 2016-03-23 | 2019-09-11 | 横浜ゴム株式会社 | 音響透過性部材 |
CN110400869A (zh) * | 2019-06-19 | 2019-11-01 | 中国科学院声学研究所东海研究站 | 一种可控声阻抗的介质及其声阻抗调控方法 |
WO2022238326A1 (en) * | 2021-05-10 | 2022-11-17 | Koninklijke Philips N.V. | Graded acoustic matching layers |
WO2023190097A1 (ja) * | 2022-03-28 | 2023-10-05 | テイカ株式会社 | セラミックス系音響整合層材料、その製造方法、およびその用途 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2430013A (en) * | 1942-06-10 | 1947-11-04 | Rca Corp | Impedance matching means for mechanical waves |
FR900298A (fr) * | 1942-09-11 | 1945-06-25 | G E M A Ges Fu R Elektroakusti | Dispositif de transmission des oscillations mécaniques |
AT353506B (de) * | 1976-10-19 | 1979-11-26 | List Hans | Piezoelektrischer resonator |
US4184094A (en) * | 1978-06-01 | 1980-01-15 | Advanced Diagnostic Research Corporation | Coupling for a focused ultrasonic transducer |
US4211948A (en) * | 1978-11-08 | 1980-07-08 | General Electric Company | Front surface matched piezoelectric ultrasonic transducer array with wide field of view |
US4227111A (en) * | 1979-03-28 | 1980-10-07 | The United States Of America As Represented By The Secretary Of The Navy | Flexible piezoelectric composite transducers |
US4217684A (en) * | 1979-04-16 | 1980-08-19 | General Electric Company | Fabrication of front surface matched ultrasonic transducer array |
US4283461A (en) * | 1979-05-31 | 1981-08-11 | The United States Of America As Represented By The Secretary Of The Navy | Piezoelectric polymer antifouling coating |
US4482834A (en) * | 1979-06-28 | 1984-11-13 | Hewlett-Packard Company | Acoustic imaging transducer |
JPS56131979A (en) * | 1980-03-19 | 1981-10-15 | Hitachi Ltd | Piezoelectric material for transparent vibrator and transparent vibrator |
US4297607A (en) * | 1980-04-25 | 1981-10-27 | Panametrics, Inc. | Sealed, matched piezoelectric transducer |
US4387720A (en) * | 1980-12-29 | 1983-06-14 | Hewlett-Packard Company | Transducer acoustic lens |
US4507582A (en) * | 1982-09-29 | 1985-03-26 | New York Institute Of Technology | Matching region for damped piezoelectric ultrasonic apparatus |
EP0119855B2 (de) * | 1983-03-17 | 1992-06-10 | Matsushita Electric Industrial Co., Ltd. | Ultraschallwandler mit akustischen Impedanzanpassungsschichten |
US4503861A (en) * | 1983-04-11 | 1985-03-12 | Biomedics, Inc. | Fetal heartbeat doppler transducer |
US4536673A (en) * | 1984-01-09 | 1985-08-20 | Siemens Aktiengesellschaft | Piezoelectric ultrasonic converter with polyurethane foam damper |
-
1984
- 1984-08-16 DE DE19843430161 patent/DE3430161A1/de not_active Withdrawn
-
1985
- 1985-07-26 US US06/759,559 patent/US4686409A/en not_active Expired - Lifetime
- 1985-08-02 DE DE8585109705T patent/DE3571887D1/de not_active Expired
- 1985-08-02 AT AT85109705T patent/ATE45054T1/de not_active IP Right Cessation
- 1985-08-02 EP EP85109705A patent/EP0173864B1/de not_active Expired
- 1985-08-12 JP JP60177467A patent/JPH0644837B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0173864B1 (de) | 1989-07-26 |
EP0173864A1 (de) | 1986-03-12 |
US4686409A (en) | 1987-08-11 |
DE3430161A1 (de) | 1986-02-27 |
JPS6153899A (ja) | 1986-03-17 |
JPH0644837B2 (ja) | 1994-06-08 |
DE3571887D1 (en) | 1989-08-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
REN | Ceased due to non-payment of the annual fee |