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Class 310/334 - Acoustic wave type generator or receiver


Subclass of Class 310 - Electrical generator or motor structure
Definition: Subject matter wherein the mechanical energy applied to
No. of patents: 1076
Last issue date: 05/29/2012


1                      
NumberTitleIssue Date
8188638Cooling acoustic transducer with heat pipes
A transducer with a closed heat pipe is provided with a hot surface and a cold surface. The hot surface is in contact with the transducer interior and the cold surface is in contact with a cooler contact area. A fluid is used in the pipe which boils at the temperatu...
05/29/2012
8183745High frequency ultrasound transducers
An example ultrasound device, such as a transducer array, includes a plurality of ultrasound transducers, each ultrasound transducer having a first electrode, a second electrode, a thin piezoelectric film located between the electrodes, and a substrate supporting th...
05/22/2012
8169125Transducer arrays for medical ultrasound and method of making the same
An ultrasound transducer (40,70,100) comprises a combined individual die integrated circuit (42,72,102) and an array of acoustic elements (44,74,104) coupled to the combined individual die integrated circuit via an array of flip-chip bumps (4...
05/01/2012
8169126Low frequency oscillator, the omni-directional type low frequency underwater acoustic transducer using the same and the cylindrical radiation type low frequency underwater acoustic transducer using the same
A low frequency oscillator includes a plurality of drum-shaped oscillators. Each of the drum-shaped oscillators is constructed so that a pair of disk-shaped flexural vibrators is attached on both open ends of a conductive cylinder so as to be arranged face to face. ...
05/01/2012
8148877Micromachined piezoelectric ultrasound transducer arrays
A piezoelectric composite micromachined ultrasound transducer including single and multilayer 1-D and 2-D arrays having through-wafer-vias (TWVs) that significantly decreased electrical impedance per element, and hence the improved electrical impedance matching to T...
04/03/2012
8134280Ultrasonic probe
An electronic radial ultrasonic probe comprising an electronic radial array which comprises a plurality of ultrasonic transducers being continuously arrayed circularly around an insertion axis as center and also for which a transmission/reception of an ultrasonic wa...
03/13/2012
8129886Apparatus and method for increasing sensitivity of ultrasound transducers
An acoustical stack for use within an ultrasound transducer that has a center frequency has a poled piezoelectric material layer and at least one impedance matching layer. The poled piezoelectric material layer has top and bottom sides and is formed of poled piezoel...
03/06/2012
8098000Ultrasonic sensor
An ultrasonic sensor for detecting an object includes: a piezoelectric element having a piezoelectric body and first and second electrodes for sandwiching the piezoelectric body; an acoustic matching element having a reception surface, which receives an ultrasonic w...
01/17/2012
8084922Array scanning type ultrasound probe
A technology is disclosed which provides an array scanning type ultrasound probe capable of preventing a diminution of ultrasound of a piezoelectric device at the time of transmission and at the time of reception due to its damage and thereby reducing a sensitivity ...
12/27/2011
8084923Diagnostic ultrasound transducer
An ultrasound transducer includes an array of PZT elements mounted on a non-recessed distal surface of a backing block. Between each element and the backing block is a conductive region formed as a portion of a metallic layer sputtered onto the distal surface. Trace...
12/27/2011
8076824Ultrasonic probe
An electronic radial ultrasonic probe comprising an electronic radial array which comprises a plurality of ultrasonic transducers being continuously arrayed circularly around an insertion axis as center and also for which a transmission/reception of an ultrasonic wa...
12/13/2011
8067877Anti-EMI ultrasonic transducer
An anti-EMI ultrasonic transducer has a conductive casing, a piezoelectric ceramic board having an opening, a conductive shelter, a first and second wires and an encapsulation. A first electrode face of the piezoelectric ceramic board faces to the opening and a seco...
11/29/2011
8063540High frequency ultrasound transducers based on ceramic films
A design and a manufacturing method of ultrasound transducers based on films of ferro-electric ceramic material is presented, the transducers being particularly useful for operating at frequencies above 10 MHz. The manufacturing technique can involve tape-casting of...
11/22/2011
8035278Ultrasonic probe, ultrasonic diagnosis apparatus, and ultrasonic probe manufacturing method
A plurality of piezoelectric elements are arrayed two-dimensionally. A plurality of electrodes are respectively formed on the plurality of piezoelectric elements. A plurality of non-conductive members have columnar shape and are arranged on the plurality of electrod...
10/11/2011
8035277Method for forming a multi-layer electrode underlying a piezoelectric layer and related structure
According to an exemplary embodiment, a method of forming a multi-layer electrode for growing a piezoelectric layer thereon includes a step of forming a high conductivity metal layer over a substrate. The method further includes a step of forming a seed layer over t...
10/11/2011
8030824Wide bandwidth matrix transducer with polyethylene third matching layer
A third matching layer (140) affording wide bandwidth for an ultrasound matrix probe is made of polyethylene, and may extend downwardly to surround the array (S360) and attach to the housing to seal the array (S370). ...
10/04/2011
8008842Micromachined piezoelectric ultrasound transducer arrays
A piezoelectric composite micromachined ultrasound transducer including single and multilayer 1-D and 2-D arrays having through-wafer-vias (TWVs) that significantly decreased electrical impedance per element, and hence the improved electrical impedance matching to T...
08/30/2011
7994689Ultrasonic transducer, ultrasonic transducer array and ultrasound endoscope apparatus
An ultrasonic transducer arraying at even intervals ultrasonic transducers for transmitting and receiving ultrasonic waves and layering a plurality of acoustic matching layers on them, comprising an transducer shape forming member made of a fiber-reinforced thermose...
08/09/2011
7982369Ultrasonic probe and ultrasonic diagnostic apparatus
A base has a plurality of projections or recesses. Each of the projections or recesses corresponds to one channel of vibration elements. Each of the vibration elements has a plurality of MUT elements. Each of the MUT elements transmits and receives ultrasonic waves....
07/19/2011
7973453Ultrasonic transducer
An ultrasonic transducer with a housing having an ultrasonic window in a first region of the housing for transmitting ultrasonic waves, and a transducer element located in the housing adjacent to the ultrasonic window. To prevent ultrasonic waves from being transmit...
07/05/2011
7969067Ultrasound probe
There is provided an ultrasound probe including a first substrate having a silicon substrate and an ultrasound transmit-receive element, an acoustic lens disposed over an upper surface of the first substrate, and a damping layer disposed under the first substrate, i...
06/28/2011
7969068Ultrasonic transducer with a retracted portion on a side surface of the piezoelectric layer
An ultrasonic transducer has a rectangular piezo-electric ceramic sheet piece 2 which has a retracted portion 1 on a side face, an upper electrode layer 3 placed on an upper surface of the ceramic sheet piece, 4 a first terminal electrode...
06/28/2011
7956516Ultrasonic sensor and method for manufacturing the same
An ultrasonic sensor includes a cylindrical casing having a bottom portion. The casing has a piezoelectric element on a bottom surface thereof. A substrate is attached to an end surface of an opening portion of the casing with a damping member provided therebetween ...
06/07/2011
7952260Ultrasound imaging system
An ultrasound imaging system (100). An exemplary system (100) includes a plurality of transducer elements (136) formed in subarrays (140) and a plurality of subarray circuit units (160′), with each circuit unit (160′) co...
05/31/2011
7919906Ultrasound probe, particularly for diagnostic imaging
An ultrasound probe particularly for diagnostic purposes includes a first array of ultrasound transducers that generate ultrasound waves by electric excitation and transforming ultrasound waves impinging on them into electric signals. Each transducer is provided wit...
04/05/2011
7898154Ultrasound probe and method for manufacturing the same
In an ultrasound probe including first and second acoustic matching layers between an acoustic lens and a piezoelectric oscillator, an electrode is arranged on a surface of a laminate element made of the first and second acoustic matching layers, the laminate elemen...
03/01/2011
7888847Apodizing ultrasonic lens
An improved acoustic lens and an improved ultrasonic transducer system comprising an improved acoustic lens and related methods are provided. The improved acoustic lens may have a uniform loss along an elevation axis or may have a loss along the elevation axis that ...
02/15/2011
7880368Ultrasonic transducer, ultrasonic transducer array and ultrasound endoscope apparatus
An ultrasonic transducer arraying at even intervals ultrasonic transducers for transmitting and receiving ultrasonic waves and layering a plurality of acoustic matching layers on them, comprising an transducer shape forming member made of a fiber-reinforced thermose...
02/01/2011
7876027Multilayer piezoelectric and polymer ultrawideband ultrasonic transducer
A transducer for transmitting and receiving ultrasound waves and a method for constructing a transducer. The transducer having layers of a single crystal piezoelectric material stacked in a multilayer arrangement and a polymer material geometrically arranged within ...
01/25/2011
7872400Ultrasonic device with a disk-shaped resonator
The present invention refers to an ultrasonic device comprising an ultrasound transducer; and a disk-shaped metallic low-frequency ultrasound (NFLUS) resonator being mechanically connected with the ultrasound transducer on one side of the resonator; a container with...
01/18/2011
7872399Ultrasonic probe and ultrasonic diagnosis apparatus
A variance in transmitting/receiving sensitivity between multiple vibrational elements or transducers included in an ultrasonic probe is corrected. An ultrasonic probe in accordance with the present invention has multiple transducers, each of which includes multiple...
01/18/2011
7859170Wide-bandwidth matrix transducer with polyethylene third matching layer
A third matching layer (140) affording wide bandwidth for an ultrasound matrix probe is made of polyethylene, and may extend downwardly to surround the array (S360) and attach to the housing to seal the array (S370). ...
12/28/2010
7851977Electroacoustic component
A component working with guided bulk acoustic waves includes a first substrate, a second substrate, and a layer system between the first and second substrates. The layer system includes a metal layer and a dielectric layer. A ratio of the acoustic impedance of the m...
12/14/2010
7834520Ultrasonic probe and ultrasonic diagnosis apparatus
An ultrasonic probe suitable for reducing reflected waves returning from a rear surface part to a transducer side, and an ultrasonic diagnostic apparatus. Ultrasonic probe 1 comprises transducer 10 transmitting and receiving ultrasonic waves to and fro...
11/16/2010
7834521Array type ultrasound probe, manufacturing method and driving method of array type ultrasound probe
An multi-channel array type ultrasound probe (search unit) disposed at least one-dimensionally, having: a plurality of sheet-shaped piezoelectric elements as transmission reception separation type complex piezoelectric element, wherein a material configuring a trans...
11/16/2010
7830069Arrayed ultrasonic transducer
An ultrasonic transducer comprises a stack having a first face, an opposed second face and a longitudinal axis extending therebetween. The stack comprises a plurality of layers, each layer having a top surface and an opposed bottom surface, wherein the plurality of ...
11/09/2010
7808157Ultrasonic attenuation materials
Improved acoustic attenuation materials and applications are provided. An improved acoustic attenuation material may include a woven layer of fibers made of porous polymers, such as porous polytetrafluoroethylene (PTFE), that include interstitial space. An improved ...
10/05/2010
7808156Ultrasonic matching layer and transducer
In one aspect, matching layers for an ultrasonic transducer stack having a matching layer comprising a matrix material loaded with a plurality of micron-sized and nano-sized particles. In another aspect, the matrix material is loaded with a plurality of heavy and li...
10/05/2010
7804228Composite passive materials for ultrasound transducers
Provided herein are composite passive layers for ultrasound transducers having acoustic properties that can be easily tailored to the needs of the transducer application using current microfabrication techniques. In an embodiment, a passive layer comprises metal pos...
09/28/2010
7795784Redistribution interconnect for microbeamforming(s) and a medical ultrasound system
An ultrasound transducer includes one or more microbeamformer integrated circuit chips, an array of acoustic elements, and a redistribution interconnect coupled via conductive elements between the one or more integrated circuit chips and the array of acoustic elemen...
09/14/2010
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