DE69429213D1 - Ultraschallwandler - Google Patents
UltraschallwandlerInfo
- Publication number
- DE69429213D1 DE69429213D1 DE69429213T DE69429213T DE69429213D1 DE 69429213 D1 DE69429213 D1 DE 69429213D1 DE 69429213 T DE69429213 T DE 69429213T DE 69429213 T DE69429213 T DE 69429213T DE 69429213 D1 DE69429213 D1 DE 69429213D1
- Authority
- DE
- Germany
- Prior art keywords
- ultrasound transducer
- ultrasound
- 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 - Fee Related
Links
- 238000002604 ultrasonography Methods 0.000 title 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
- 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
- B06B1/067—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 which is used as, or combined with, an impedance matching layer
-
- 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
- G10K11/18—Methods or devices for transmitting, conducting or directing sound
- G10K11/26—Sound-focusing or directing, e.g. scanning
- G10K11/32—Sound-focusing or directing, e.g. scanning characterised by the shape of the source
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5151851A JP2927144B2 (ja) | 1993-06-23 | 1993-06-23 | 超音波トランスデューサ |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69429213D1 true DE69429213D1 (de) | 2002-01-10 |
DE69429213T2 DE69429213T2 (de) | 2002-07-11 |
Family
ID=15527661
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69429213T Expired - Fee Related DE69429213T2 (de) | 1993-06-23 | 1994-04-21 | Ultraschallwandler |
Country Status (4)
Country | Link |
---|---|
US (1) | US5438999A (de) |
EP (1) | EP0631272B1 (de) |
JP (1) | JP2927144B2 (de) |
DE (1) | DE69429213T2 (de) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5984871A (en) * | 1997-08-12 | 1999-11-16 | Boston Scientific Technologies, Inc. | Ultrasound transducer with extended focus |
US6535625B1 (en) * | 1999-09-24 | 2003-03-18 | Magnetus Llc | Magneto-acoustic imaging |
US6974415B2 (en) * | 2003-05-22 | 2005-12-13 | Magnetus Llc | Electromagnetic-acoustic imaging |
US7021145B2 (en) * | 2003-07-21 | 2006-04-04 | Horiba Instruments, Inc | Acoustic transducer |
US7062972B2 (en) * | 2003-07-21 | 2006-06-20 | Horiba Instruments, Inc. | Acoustic transducer |
US7124621B2 (en) * | 2004-07-21 | 2006-10-24 | Horiba Instruments, Inc. | Acoustic flowmeter calibration method |
US7360417B2 (en) * | 2005-01-10 | 2008-04-22 | Gems Sensors, Inc. | Fluid level detector |
EP1937150A4 (de) * | 2005-09-27 | 2010-01-20 | Medison Co Ltd | Sonde für die ultraschalldiagnose und diese verwendendes diagnostisches ultraschallsystem |
US7888847B2 (en) * | 2006-10-24 | 2011-02-15 | Dennis Raymond Dietz | Apodizing ultrasonic lens |
JP5750114B2 (ja) * | 2009-11-09 | 2015-07-15 | コーニンクレッカ フィリップス エヌ ヴェ | 予め形成された球状の整合層を備えた湾曲した超音波hifuトランスデューサ |
JP5981998B2 (ja) * | 2011-09-26 | 2016-08-31 | コーニンクレッカ フィリップス エヌ ヴェKoninklijke Philips N.V. | 音響レンズを持つ超音波プローブ |
US9530955B2 (en) | 2011-11-18 | 2016-12-27 | Acist Medical Systems, Inc. | Ultrasound transducer and processing methods thereof |
EP2724748A1 (de) * | 2012-10-24 | 2014-04-30 | Siemens Aktiengesellschaft | Ultraschallschwinger mit unterschiedlichen Krümmungsradien |
US9536511B2 (en) | 2013-12-31 | 2017-01-03 | Acist Medical Systems, Inc. | Ultrasound transducer stack |
KR101736641B1 (ko) * | 2015-12-24 | 2017-05-17 | 주식회사 포스코 | 균열 측정 장치 및 방법 |
EP4023343A4 (de) * | 2019-08-30 | 2023-08-23 | Kyocera Corporation | Beschichtungsvorrichtung, beschichtungsfilm und beschichtungsverfahren |
WO2023098736A1 (zh) * | 2021-11-30 | 2023-06-08 | 武汉联影医疗科技有限公司 | 一种超声换能器和用于制备匹配层的方法 |
TWI816253B (zh) * | 2021-12-15 | 2023-09-21 | 詠業科技股份有限公司 | 超聲波傳感器 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2645727A (en) * | 1948-03-26 | 1953-07-14 | Bell Telephone Labor Inc | Focusing ultrasonic radiator |
US4205686A (en) * | 1977-09-09 | 1980-06-03 | Picker Corporation | Ultrasonic transducer and examination method |
US4184094A (en) * | 1978-06-01 | 1980-01-15 | Advanced Diagnostic Research Corporation | Coupling for a focused ultrasonic transducer |
US4446395A (en) * | 1981-12-30 | 1984-05-01 | Technicare Corporation | Short ring down, ultrasonic transducer suitable for medical applications |
JPS5959000A (ja) * | 1982-09-28 | 1984-04-04 | Toshiba Corp | 凹面型超音波探触子及びその製造方法 |
US4659956A (en) * | 1985-01-24 | 1987-04-21 | General Electric Company | Compound focus ultrasonic transducer |
JPS61292550A (ja) * | 1985-06-21 | 1986-12-23 | Toshiba Corp | アレイ形超音波探触子 |
JPH07121158B2 (ja) * | 1987-01-19 | 1995-12-20 | オムロン株式会社 | 超音波探触子 |
-
1993
- 1993-06-23 JP JP5151851A patent/JP2927144B2/ja not_active Expired - Fee Related
-
1994
- 1994-04-18 US US08/228,902 patent/US5438999A/en not_active Expired - Fee Related
- 1994-04-21 EP EP94302836A patent/EP0631272B1/de not_active Expired - Lifetime
- 1994-04-21 DE DE69429213T patent/DE69429213T2/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE69429213T2 (de) | 2002-07-11 |
US5438999A (en) | 1995-08-08 |
EP0631272B1 (de) | 2001-11-28 |
EP0631272A2 (de) | 1994-12-28 |
JP2927144B2 (ja) | 1999-07-28 |
EP0631272A3 (de) | 1996-04-24 |
JPH078486A (ja) | 1995-01-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |