JPH0128560B2 - - Google Patents
Info
- Publication number
- JPH0128560B2 JPH0128560B2 JP55031488A JP3148880A JPH0128560B2 JP H0128560 B2 JPH0128560 B2 JP H0128560B2 JP 55031488 A JP55031488 A JP 55031488A JP 3148880 A JP3148880 A JP 3148880A JP H0128560 B2 JPH0128560 B2 JP H0128560B2
- Authority
- JP
- Japan
- Prior art keywords
- piezoelectric
- mass
- piezoelectric plate
- mode
- acoustic wave
- 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
Links
- 239000000758 substrate Substances 0.000 claims description 14
- 230000008602 contraction Effects 0.000 claims description 2
- 229910052451 lead zirconate titanate Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 5
- 230000010287 polarization Effects 0.000 description 5
- 239000011888 foil Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000004044 response Effects 0.000 description 4
- 230000005284 excitation Effects 0.000 description 3
- 238000003384 imaging method Methods 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- HFGPZNIAWCZYJU-UHFFFAOYSA-N lead zirconate titanate Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Ti+4].[Zr+4].[Pb+2] HFGPZNIAWCZYJU-UHFFFAOYSA-N 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000013598 vector Substances 0.000 description 2
- 241000277331 Salmonidae Species 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 239000006098 acoustic absorber Substances 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
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
- G10K11/002—Devices for damping, suppressing, obstructing or conducting sound in acoustic devices
-
- 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
- B06B1/0607—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 multiple elements
- B06B1/0622—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 multiple elements on one surface
- B06B1/064—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 multiple elements on one surface with multiple active layers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Transducers For Ultrasonic Waves (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/020,007 US4240003A (en) | 1979-03-12 | 1979-03-12 | Apparatus and method for suppressing mass/spring mode in acoustic imaging transducers |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS55123299A JPS55123299A (en) | 1980-09-22 |
| JPH0128560B2 true JPH0128560B2 (en]) | 1989-06-02 |
Family
ID=21796250
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3148880A Granted JPS55123299A (en) | 1979-03-12 | 1980-03-12 | Acoustic-wave video transducer |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4240003A (en]) |
| JP (1) | JPS55123299A (en]) |
| DE (1) | DE2949930A1 (en]) |
| FR (1) | FR2451692A1 (en]) |
| GB (1) | GB2044582B (en]) |
Families Citing this family (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4347593A (en) * | 1979-12-07 | 1982-08-31 | The United States Of America As Represented By The Secretary Of The Navy | Piezoceramic tubular element with zero end displacement |
| US4382201A (en) * | 1981-04-27 | 1983-05-03 | General Electric Company | Ultrasonic transducer and process to obtain high acoustic attenuation in the backing |
| US4414482A (en) * | 1981-05-20 | 1983-11-08 | Siemens Gammasonics, Inc. | Non-resonant ultrasonic transducer array for a phased array imaging system using1/4 λ piezo elements |
| US4479069A (en) * | 1981-11-12 | 1984-10-23 | Hewlett-Packard Company | Lead attachment for an acoustic transducer |
| US4446395A (en) * | 1981-12-30 | 1984-05-01 | Technicare Corporation | Short ring down, ultrasonic transducer suitable for medical applications |
| DE3483174D1 (de) * | 1983-06-07 | 1990-10-18 | Matsushita Electric Ind Co Ltd | Ultraschallsende mit einem absorbierenden traeger. |
| US4633119A (en) * | 1984-07-02 | 1986-12-30 | Gould Inc. | Broadband multi-resonant longitudinal vibrator transducer |
| US4565940A (en) * | 1984-08-14 | 1986-01-21 | Massachusetts Institute Of Technology | Method and apparatus using a piezoelectric film for active control of vibrations |
| JPS6412711A (en) * | 1987-07-07 | 1989-01-17 | Murata Manufacturing Co | Chip type resonator |
| FR2634089B1 (fr) * | 1988-07-08 | 1990-10-05 | Labo Electronique Physique | Transducteur ultrasonore a sensibilite amelioree |
| US5060653A (en) * | 1989-05-16 | 1991-10-29 | Hewlett-Packard Company | Ultrasonic sensor with starved dilatational modes |
| JP3015481B2 (ja) * | 1990-03-28 | 2000-03-06 | 株式会社東芝 | 超音波プローブ・システム |
| US5267221A (en) * | 1992-02-13 | 1993-11-30 | Hewlett-Packard Company | Backing for acoustic transducer array |
| US5410205A (en) * | 1993-02-11 | 1995-04-25 | Hewlett-Packard Company | Ultrasonic transducer having two or more resonance frequencies |
| US5381067A (en) * | 1993-03-10 | 1995-01-10 | Hewlett-Packard Company | Electrical impedance normalization for an ultrasonic transducer array |
| US5625149A (en) * | 1994-07-27 | 1997-04-29 | Hewlett-Packard Company | Ultrasonic transductor |
| US5598051A (en) * | 1994-11-21 | 1997-01-28 | General Electric Company | Bilayer ultrasonic transducer having reduced total electrical impedance |
| US5686777A (en) * | 1995-09-21 | 1997-11-11 | New Jersey Institute Of Technology | High accuracy piezoelectric positioning device |
| US5957851A (en) * | 1996-06-10 | 1999-09-28 | Acuson Corporation | Extended bandwidth ultrasonic transducer |
| US6416478B1 (en) | 1998-05-05 | 2002-07-09 | Acuson Corporation | Extended bandwidth ultrasonic transducer and method |
| US6437484B1 (en) * | 1998-12-24 | 2002-08-20 | Kyocera Corporation | Piezoelectric resonator |
| US6409667B1 (en) | 2000-02-23 | 2002-06-25 | Acuson Corporation | Medical diagnostic ultrasound transducer system and method for harmonic imaging |
| GB2425179A (en) * | 2005-04-14 | 2006-10-18 | Warwickshire Mfg Group | Assessing the quality of rivets by evaluating the complex valued electrical impedance of a piezoelectric ultrasonic transducer |
| US8467169B2 (en) | 2007-03-22 | 2013-06-18 | Research In Motion Rf, Inc. | Capacitors adapted for acoustic resonance cancellation |
| US7936553B2 (en) | 2007-03-22 | 2011-05-03 | Paratek Microwave, Inc. | Capacitors adapted for acoustic resonance cancellation |
| US7869187B2 (en) * | 2007-09-04 | 2011-01-11 | Paratek Microwave, Inc. | Acoustic bandgap structures adapted to suppress parasitic resonances in tunable ferroelectric capacitors and method of operation and fabrication therefore |
| US8194387B2 (en) | 2009-03-20 | 2012-06-05 | Paratek Microwave, Inc. | Electrostrictive resonance suppression for tunable capacitors |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3365590A (en) * | 1968-01-23 | Hewlett Packard Co | Piezoelectric transducer | |
| DE879929C (de) * | 1951-05-16 | 1953-06-18 | Siemens Ag | Piezoelektrischer Schwinger |
| US2875354A (en) * | 1954-01-29 | 1959-02-24 | Branson Instr | Piezoelectric transducer |
| US3036231A (en) * | 1958-07-24 | 1962-05-22 | Sperry Prod Inc | High resolution piezoelectric transducer |
| US3058015A (en) * | 1960-05-03 | 1962-10-09 | Nesh Florence | Dissipation of high frequency vibratory energy |
| US3714475A (en) * | 1966-07-15 | 1973-01-30 | H Eng Corp | Resonator having counter rotating rigid parts |
| US3543058A (en) * | 1969-11-10 | 1970-11-24 | Westinghouse Electric Corp | Piezoelectric transducer |
| US4122725A (en) * | 1976-06-16 | 1978-10-31 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Length mode piezoelectric ultrasonic transducer for inspection of solid objects |
| JPS5353393A (en) * | 1976-10-25 | 1978-05-15 | Matsushita Electric Ind Co Ltd | Ultrasonic probe |
| US4158787A (en) * | 1978-05-08 | 1979-06-19 | Hughes Aircraft Company | Electromechanical transducer-coupled mechanical structure with negative capacitance compensation circuit |
-
1979
- 1979-03-12 US US06/020,007 patent/US4240003A/en not_active Expired - Lifetime
- 1979-11-12 GB GB7939073A patent/GB2044582B/en not_active Expired
- 1979-12-12 DE DE19792949930 patent/DE2949930A1/de not_active Ceased
- 1979-12-21 FR FR7931441A patent/FR2451692A1/fr not_active Withdrawn
-
1980
- 1980-03-12 JP JP3148880A patent/JPS55123299A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE2949930A1 (de) | 1980-09-25 |
| GB2044582A (en) | 1980-10-15 |
| FR2451692A1 (fr) | 1980-10-10 |
| GB2044582B (en) | 1983-05-05 |
| US4240003A (en) | 1980-12-16 |
| JPS55123299A (en) | 1980-09-22 |
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