|| List of recent Acoustic Wave-related patents
| Method of characterizing tissue of a patient|
A method for characterizing tissue of a patient, including receiving acoustic data derived from the interaction between the tissue and the acoustic waves irradiating the tissue; generating a morphology rendering of the tissue from the acoustic data, in which the rendering represents at least one biomechanical property of the tissue; determining a prognostic parameter for a region of interest in the rendering, in which the prognostic parameter incorporates the biomechanical property; and analyzing the prognostic parameter to characterize the region of interest. In some embodiment, the method further includes introducing a contrast agent into the tissue; generating a set of enhanced morphology renderings of the tissue after introducing the contrast agent; determining an enhanced prognostic parameter from the enhanced morphology renderings; and analyzing the enhanced prognostic parameter..
| Object information acquiring apparatus|
An object information acquiring apparatus according to the present invention has: a light source emitting light; a holding member holding an object; a probe receiving an acoustic wave, generated by the object when the light is irradiated on the object via the holding member, and outputting a received signal; and a signal processor acquiring information extracted from the object by using the received signal, wherein a region of the holding member that comes into contact with the object is configured as a non-uniform region that is a region where a normal direction of a tangential plane between the holding member and the object is not constant.. .
| Object information acquiring apparatus|
An object information acquiring apparatus is used which includes a first light source outputting irradiation light delivered to an object, an output unit to which the irradiation light is guided and which includes an opening smaller than a wavelength of the irradiation light, a probe detecting an acoustic wave generated when the object absorbs near-field light output by the output unit, and a signal processing unit acquiring information on an interior of the object from the acoustic wave detected by the probe.. .
| Display with wave generators|
In one embodiment, a kit for making a display includes a first medium, a support element, and first and second wave generators. The first medium is foldable according to scoring to form a display with a cavity.
| Acoustic wave generator employing fluid injector|
To reproduce sound in an extremely compact size, fluid injectors are used that can generate fluid flow sufficient to create a desired acoustic pressure wave, but which fluid flow operates in a manner that is decoupled from the desired acoustic pressure wave. Fluid flow within the fluid injectors needed to generate the desired acoustic pressure wave need not be directly proportional to the frequencies of the desired acoustic pressure wave.
| Object information acquiring apparatus|
An object information acquiring apparatus is used that includes: a light source; a bundle fiber including a plurality of optical fibers; and a processor using an acoustic wave that is generated when light is irradiated on an irradiated surface of an object from an outputting unit of the bundle fiber, and acquiring information from the object, wherein outputting edges of a plurality of sub-bundles, each sub-bundle including a plurality of optical fibers, are arranged in the outputting unit of the bundle fiber, the plurality of sub-bundles include a first sub-bundle arranged in a central part of the outputting unit and a second sub-bundle arranged in a peripheral part of the outputting unit, and the number of optical fibers per unit area of the first sub-bundle is smaller than the number of optical fibers per unit area of the second sub-bundle.. .
| Apparatus and method for selecting frequency band|
A switching circuit is provided. The switching circuit includes at least one surface acoustic wave (saw) filter, a single-pole n throw (spnt) switch connected to an input port of each of the at least one saw filter, and a dual-pole n throw (dpnt) switch connected to an output port of each of the at least one saw filter..
| Pulse fracturing device and method|
A method of inducing fracture in at least a portion of a geologic structure includes inducing acoustic waves into a fluid medium present in a borehole extending at least partially into the structure. Embodiments may include preheating or pressurizing the fluid medium prior to inducing the acoustic wave therein.
|Object information acquiring apparatus, information processing apparatus and object information acquiring method|
An object information acquiring apparatus is provided that includes: a plurality of receiving elements which receive an acoustic wave that propagates from an object, and which convert the acoustic wave to a reception signal; an adaptive beamformer that performs adaptive beamforming of adjusting reception directionality in accordance with the reception signal in use of the reception signal; a delay-and-sum beamformer that performs delay-and-sum beamforming having preset directionality in use of the reception signal; an amplitude modulator that uses one output signal of one of the adaptive beamformer and the delay-and-sum beamformer, to perform amplitude modulation on an output signal of the other one of the beamformers; and a generator that, on the basis of a signal outputted by the amplitude modulator, generates image data on the interior of the object.. .
A measuring apparatus is provided including a holding unit holding an object, an acoustic detecting unit including at least one detector which receives, via the holding unit, an acoustic wave generated from the object to which light is irradiated and converts the acoustic wave into an electrical signal, and a processor which generates image data of the object by using the electrical signal based on the acoustic wave received by the acoustic detecting unit at first and second measurement locations, wherein the acoustic detecting unit is arranged so as to form an overlapped area that is thicker than the object in a normal direction of an interface between the holding unit and the object as a result of the effective receiving areas of the detector in the first and second measurement locations overlapping in the object.. .
An acoustic detector includes a cylindrical support member and a plurality of receiver elements that are disposed on a surface of the cylindrical support member. The plurality of receiver elements are configured to detect acoustic waves in a plurality of azimuthal angular directions..
|Acoustic source for generating an acoustic beam|
An acoustic source for generating an acoustic beam includes a housing; a plurality of spaced apart piezo-electric layers disposed within the housing; and a non-linear medium filling between the plurality of layers. Each of the plurality of piezoelectric layers is configured to generate an acoustic wave.
|Object information acquiring apparatus and object information acquiring method|
The present invention employs an object information acquiring apparatus comprising a plurality of conversion elements which receive acoustic waves emitted from an object and convert the acoustic waves into electrical signals, a correlation calculator which calculates correlation data by using the plurality of electrical signals output from the plurality of conversion elements, an average correlation calculator which calculates an average correlation matrix by extracting a plurality of submatrices from the correlation data and averaging the submatrices, and an adaptive signal processor which generates power distribution by performing adaptive signal processing by using the average correlation matrix and calculating the power of each target position, wherein the correlation calculator calculates the correlation data by obtaining the correlation of input signals that are separated by at least one input signal among the input signals.. .
|System and method for sonic wave measurements using an acoustic beam source|
A method and system for investigating structure near a borehole are described herein. The method includes generating an acoustic beam by an acoustic source; directing at one or more azimuthal angles the acoustic beam towards a selected location in a vicinity of a borehole; receiving at one or more receivers an acoustic signal, the acoustic signal originating from a reflection or a refraction of the acoustic wave by a material at the selected location; and analyzing the received acoustic signal to characterize features of the material around the borehole..
|Surface acoustic wave resonator, surface acoustic wave oscillator, and electronic apparatus|
A surface acoustic wave resonator includes a quartz crystal substrate with preselected euler angles, and an idt that is provided on the quartz crystal substrate, that includes a plurality of electrode fingers, and that excites a stop band upper end mode surface acoustic wave. Inter-electrode finger grooves are provided in the quartz crystal substrate between the electrode fingers in a plan view.
|Method for cement evaluation with acoustic and nuclear density logs|
Method for evaluating cement quality in a cased well. A density log of the well is obtained using, for example, a gammaray sources and detectors (51).
|Object information acquiring apparatus|
The present invention employs an object information acquiring apparatus comprising a probe including a plurality of conversion elements which receive acoustic waves emitted from an object and convert the acoustic waves into received signals, a delay unit which matches phases of the plurality of received signals output from the plurality of conversion elements, a signal adder which adds the plurality of received signals output from the delay unit, for each group to obtain latter input signals, and an adaptive signal processor which generates internal image data of the object by performing adaptive signal processing on the plurality of latter input signals output from a plurality of the signal adders.. .
|Object information acquiring apparatus and method of controlling the same|
An object information acquiring apparatus includes a light irradiating unit that radiates light to an object to generate a photoacoustic wave, a transducer that receives the photoacoustic wave, outputs a photoacoustic signal, transmits and receives an ultrasound wave beam to and from the object, and outputs an ultrasound echo signal, a determining unit that determines whether there is an object on an optical path from the light irradiating unit, and an image processor that generates internal image data of the object using the photoacoustic signal.. .
An optical microphone for detecting an acoustic wave propagating through an environmental fluid by using a light wave, includes: an acoustic wave receiving section having a propagation medium portion through which an acoustic wave propagate and a first support portion for supporting the propagation medium portion; a light source for outputting a light wave so that the light wave passes through the propagation medium portion across the acoustic wave propagating through the propagation medium portion; a light-blocking portion having an edge line for splitting the light wave having passed through the propagation medium portion into a blocked portion and a non-blocked portion; and a photoelectric conversion section for receiving a portion of the light wave having passed through the propagation medium portion which has not been blocked by the light-blocking portion to output an electric signal.. .
|Methods and systems for deghosting marine seismic data|
A method is provided for deghosting marine seismic data. Marine seismic data is provided.
|Acoustic wave filter, duplexer, and module|
An acoustic wave filter includes: at least a parallel resonator, wherein at least one of the parallel resonator includes a piezoelectric substance, an idt located on the piezoelectric substance, and reflectors located on the piezoelectric substance so as to sandwich the idt, and a distance between a first electrode finger that is an electrode finger closest to the reflector among electrode fingers of the idt and a second electrode finger that is an electrode finger closest to the idt among electrode fingers of the reflector is less than 0.25(λidt+λref) where a period of the electrode fingers of the idt is λidt and a period of the electrode fingers of the reflector is λref.. .
|Method for measuring human vital signs and portable terminal adopting the same|
A method for measuring human vital signs and a portable terminal adopting the same provides accurate measurements without increasing the thickness of power usage of the portable terminal. The portable terminal includes: a surface acoustic wave (saw) sensor module disposed on a predetermined position of a portable terminal main body to detect characteristic parameter of human body; a signal transceiving module used to perform communication with the saw sensor module, to receive an echo signal of the saw sensor module; and a data processing module used to process the echo signal from the saw sensor module to obtain the human vital signs.
|Object information acquiring apparatus, control method thereof, and method for determination of contact|
The present invention employs an object information acquiring apparatus having: a photoacoustic probe unit including a light irradiating unit which irradiates light, and a probe which receives a photoacoustic wave generated from an object irradiated with light while transmitting an ultrasound wave to the object and receiving a reflected wave thereof; a processor configured to create image information of the object based on the photoacoustic wave; and a controller configured to control irradiation with light, wherein when a first contact condition is defined as a condition in which the object is irradiated with light while the probe is acoustically matched with the object, the controller determines whether or not the photoacoustic probe unit is in the first contact condition by using the reflected wave and enables irradiation with light when the photoacoustic probe unit is in the first contact condition.. .
|Beamforming devices and methods|
Devices and methods are provided for directionally receiving and/or transmitting acoustic waves and/or radio waves for use in applications such as wireless communications systems and/or radar. High directional gain and spatial selectivity are achieved while employing an array of receiving antennas that is small as measured in units of the wavelength of radio waves being received or transmitted, especially in the case of spatially oversampled arrays.
|Surface acoustic wave tag-based coherence multiplexing|
A surface acoustic wave (saw)-based coherence multiplexing system includes saw tags each including a saw transducer, a first saw reflector positioned a first distance from the saw transducer and a second saw reflector positioned a second distance from the saw transducer. A transceiver including a wireless transmitter has a signal source providing a source signal and circuitry for transmitting interrogation pulses including a first and a second interrogation pulse toward the saw tags, and a wireless receiver for receiving and processing response signals from the saw tags.
|Object information acquiring apparatus|
The present invention employs an object information acquiring apparatus comprising a plurality of receiving elements which receive acoustic waves emitted from an object and convert the acoustic waves into received signals, a delay unit which matches phases of the received signals, a complex converter which converts the received signals into complex signals, a complex covariance matrix calculator which periodically obtains a complex covariance matrix by using a complex signal group configured from a plurality of phase-matched complex signals, an eliminator which eliminates the number of bits of input data configured from at least either the complex signal group or matrix elements, and an electric power calculator which calculates a power of target positions, wherein the eliminator eliminates the number of bits by performing common level conversion processing on all input data relating to one complex covariance matrix.. .
|Adaptive sweep method and device for seismic exploration|
Controller and method for adapting a frequency sweep for a vibro-acoustic source element that is configured to generate acoustic waves during a seismic survey. The method includes driving a seismic source element to generate a current frequency sweep; recording seismic data with plural seismic sensors in response to the current frequency sweep; selecting, during the seismic survey, a data subset of the seismic data, wherein the data subset has a size less than 10% of the seismic data; calculating with a processing device an attribute based on the data subset; and calculating a new frequency sweep based on the attribute..
|Electronic component and acoustic wave device|
An electronic component has a mounting board, a bump located on a mounting surface of the mounting board, a saw device located on the bump and connected to the bump. The saw device has an element substrate, an excitation electrode located on the first primary surface of the element substrate, a pad located on the first primary surface and connected to the excitation electrode, and a cover located above the excitation electrode and formed with a pad exposure portion on the pad.
|Device for emitting an acoustic wave|
A device for emitting an acoustic wave includes a flared structural piece bearing at its base an electromechanical transducer and defining at its flared end an output surface. A mechano-acoustic coupler made of one piece is a solid piece and exhibits: a first portion for mounting on the transducer, a second portion extending from the first portion up to the level of the output surface, the coupler being suspended on the structural piece at the level of the second portion and the second portion having a cross-sectional area at the level of the output surface which is strictly greater than its cross-sectional area at the level of the first portion, and a third portion extending from the second portion, where the third portion has a cross-sectional area which is smaller than the output surface, the third portion including a cross-section of greater area than the output surface..
|Object information acquiring apparatus and object information acquiring method|
Employed is an object information acquiring apparatus including an irradiation unit irradiating an object with light; a detection unit including a plurality of elements each obtaining an acoustic wave generated from the object and converting the acoustic wave into a detection signal; a detection unit moving mechanism moving the detection unit to the object relatively; an adding unit selecting, from detection signals converted from acoustic waves obtained by the plurality of elements at respective positions as the detection unit is moved, detection signals converted from acoustic waves obtained from an identical position on the object, and adding together these detection signals to output a resultant summed signal; an initial sound pressure computing unit computing an initial sound pressure of a region of interest from the summed signal; a light quantity computing unit computing a quantity of light of the region of interest.. .
|Component operating with acoustic waves and method for producing same|
The invention concerns a component (b) operating with acoustic waves, in which the reflection and excitation are largely decoupled. For this purpose, a component comprises a dielectric (dl) which is arranged between an electrode finger (ef) and a piezoelectric substrate (psu) and at least partially overlaps the electrode finger..
|Noninvasive measuring device and noninvasive measuring method for probing an interface|
The present disclosure provides solutions to probing an interface. With a noninvasive measuring device provided in one embodiment of the disclosure, an acoustic wave whose frequency is higher than approximately 300 ghz is generated to propagate in a buffering film.
|High-efficiency separation and manipulation of particles and cells in microfluidic device using surface acoustic waves at an oblique angle|
An apparatus for manipulating particles within a fluid sample includes a substrate having a substrate surface. A surface acoustic wave (saw) generator generates a saw within a saw region of the substrate surface.
|Manufacturing method for boundary acoustic wave device and boundary acoustic wave device|
A manufacturing method for a boundary acoustic wave device is capable of certainly providing the boundary acoustic wave device with desired target frequency characteristics. The manufacturing method for the boundary acoustic wave device includes a process for preparing a laminated body that includes a first medium, a second medium laminated on the first medium, and an idt electrode that is disposed at an interface between the first and second media, and a process for implanting ions from an outer portion of the second medium and adjusting a frequency..
|Methods and apparatus to control acousto-optic deflectors|
The invention is directed to an acousto-optic lens (aol) and corresponding method. The aol of the invention comprises a first and second acousto-optic deflector, each being arranged to support a respective acoustic wave.
|Surface acoustic wave filter|
A surface acoustic wave filter includes a θ-rotated y-cut x-propagation lithium niobate substrate. The cut angle ranges from 20° to 40°.
|Photoacoustic imaging method and photoacoustic imaging apparatus|
A photoacoustic imaging method that enables photoacoustic images to be displayed at high speed is provided. The photoacoustic imaging method scans a subject with a light beam, detects acoustic waves generated within the subject due to the scanning of light to obtain acoustic wave detected signals, and generates volume data that represent three dimensional photoacoustic images of the subject based on the acoustic wave detected signals.
|Method of fabricating acoustic wave device|
A method of fabricating an acoustic wave device includes: bonding a support substrate to a piezoelectric substrate on which an idt is to be formed; forming a modified region in the support substrate by irradiation of a laser beam; and cutting the support substrate and the piezoelectric substrate in the modified region, wherein a distance from a boundary face between the support substrate and the piezoelectric substrate to an edge portion of the modified region at the boundary face side is greater than or equal to 20 μm and less than 69 μm.. .
|Photoacoustic image generating apparatus and photoacoustic image generating method|
Light is prevented from being irradiated onto positions different from portions at which photoacoustic images are to be generated. Acoustic waves are transmitted from a probe, and the probe detects reflected acoustic signals of the transmitted ultrasonic waves.
|Photoacoustic imaging apparatus, photoacoustic imaging method, and probe for photoacoustic imaging apparatus|
Acoustic waves and photoacoustic waves are detected efficiently in a photoacoustic imaging apparatus configured to obtain acoustic images as well, to enable obtainment of high quality acoustic images and photoacoustic images. A probe for a photoacoustic imaging apparatus is equipped with: first piezoelectric bodies that detect acoustic waves reflected by a subject after the acoustic waves are irradiated onto the subject; and second piezoelectric bodies that detect photoacoustic waves generated within the subject due to irradiation of light after the light is irradiated onto the subject.
|Object information acquiring apparatus and object information acquiring method|
An object information acquiring apparatus, comprising: a plurality of detecting elements which detect an acoustic wave generated from an object irradiated with light and convert the acoustic wave into detection signals; a signal determining unit which determines a detection signal detected by a detecting element which is not in acoustic contact with the object, of the plurality of detecting elements; a signal acquisition unit which generates a corrected detection signal by deleting at least a region which is not based on an acoustic wave generated from the interior of the object, from the determined detection signal; and an image processor which forms image data of the object from a detection signal detected by a detecting element which is in acoustic contact with the object and from the corrected detection signal.. .
|Photoacoustic apparatus and control method thereof|
A used photoacoustic apparatus includes: a light source capable of individually emitting light having a first wavelength at which absorption coefficients of oxyhemoglobin and deoxyhemoglobin are equal and light having a second wavelength; an acoustic detector that receives acoustic waves generated when the light having the first and second wavelengths is absorbed by an object; an absorption coefficient distribution generator that determines absorption coefficient distributions of an object interior; a blood vessel position determining unit that determines a blood vessel position from an absorption coefficient distribution corresponding to the first wavelength; an organism characteristics distribution calculator that determines an organism characteristics distribution from the absorption coefficient distributions; and a trimming unit that trims the organism characteristics distribution in accordance with the blood vessel position.. .
|High frequency module having surface acoustic wave device and method for manufacturing the same|
A high frequency module having a surface acoustic wave device and a method of manufacturing the same are provided. The high frequency module includes a substrate provided with a top ground pattern at both upper ends and provided with, inside thereof, an inner ground pattern electrically connected to the top ground pattern through a via electrode; at least one saw device installed on the substrate; a molding layer formed on the substrate to cover the saw device and provided with a groove at both ends to expose the top ground pattern; and an electromagnetic wave shield layer formed to cover a surface of the molding layer including an inside of the groove..
|Acoustic wave element and acoustic wave device using same|
The idt electrode has the first bus bar and second bus bar; the plurality of first electrode fingers and the plurality of second electrode fingers mutually intersect; the plurality of first dummy electrodes and the plurality of second dummy electrodes which extend have front ends facing front ends of the plurality of first electrode fingers and the plurality of second electrode fingers with the gap s1; the plurality of first auxiliary electrodes which protrude laterally from the front end side portions of the pluralities of first dummy electrodes; and the plurality of second auxiliary electrodes which protrude laterally from the front end side portions of the plurality of second dummy electrodes. The plurality of first auxiliary electrodes have edge portions located a side of the second bus bar.
|Method of controlling a flow|
The present invention relates to a method of controlling a flow in a micro conduit system, and particularly a micro conduit system comprising one or more capillary-stop valves (6,6′) wherein the stopping ability of the capillary stop valve is overcome with the help of an acoustic wave source.. .
|Dynamic characteristic calculation apparatus and its method for machine tool|
A dynamic characteristic calculation apparatus for a machine tool calculates dynamic characteristic of the machine tool executing an interrupted machining by moving a rotational tool relative to a workpiece. The apparatus includes a detector detecting acoustic wave generated by vibration of the rotational tool or detecting magnetic property being variable by the vibration of the rotational tool where said rotational tool is excited to vibrate, and a calculation division calculating a natural frequency f of the one or plural tool tips in a vibration system, in which the one or plural tool tips of said rotational tool is a vibration body, on a basis of a value detected by the detector..
|Detection of hydrocarbons in aqueous environments|
A process for a pre-concentration unit including: a sorbent material coated passage-way having an entrance for receiving a hydrocarbon-containing groundwater sample and for pre-concentrating the hydrocarbons in a hydrocarbon-containing groundwater sample by successive sorption/desorption cycles, and having an exit for discharging the pre-concentrated hydrocarbons; a heating unit for heating the sorbent material coated passage-way; and; an array of shear horizontal-surface acoustic wave sensors with coatings adapted for detecting and quantifying the pre-concentrated hydrocarbons, disposed at the exit of the sorbent material coated passage-way; and a housing for enclosing the pre-concentration unit and the array of shear horizontal-surface acoustic wave sensors, adapted for continuous use at a body of hydrocarbon-containing groundwater, and coupled to mathematical methods for generating concentrations of specific analytes from both transient and steady-state signals.. .
|Acoustic ash removal|
An acoustic system having a plurality of speakers applying acoustic energy as a series of acoustic waves to various target sites on the exterior of the reactor to vibrate and deflect the interior surfaces of the reactor structure such that the slag is dislodged from the internal surfaces of the reactor structure. Each speaker generates acoustic waves having a waveform corresponding to the resonant frequency of the ash crystallized on the reactor structures.
|Integrated semiconductor devices with single crystalline beam, methods of manufacture and design structure|
Bulk acoustic wave filters and/or bulk acoustic resonators integrated with cmos devices, methods of manufacture and design structure are provided. The method includes forming a single crystalline beam from a silicon layer on an insulator.
|Mems microphone and method for packaging the same|
The present invention relates to a mems microphone and a method of manufacturing the same, the mems microphone comprising: a monolithic silicon chip incorporating an acoustic sensing element and one or more conditioning cmos integrated circuits; a silicon-based carrier chip having an acoustic cavity; a substrate for surface mounting the assembly of the monolithic chip and the silicon-based carrier chip thereon; a conductive cover attached and electrically connected to the substrate to accommodates the assembly of the monolithic chip and the silicon-based carrier chip; and an acoustic port formed on either the conductive cover or the substrate for an external acoustic wave to reach the acoustic sensing element, wherein the monolithic silicon chip, the silicon-based carrier chip and the acoustic port are configured in such a way that the diaphragm of the acoustic sensing element can be vibrated by the external sound wave from one side thereof.. .
|Materials, structures, and methods for optical and electrical iii-nitride semiconductor devices|
The present invention provides materials, structures, and methods for iii-nitride-based devices, including epitaxial and non-epitaxial structures useful for iii-nitride devices including light emitting devices, laser diodes, transistors, detectors, sensors, and the like. In some embodiments, the present invention provides metallo-semiconductor and/or metallo-dielectric devices, structures, materials and methods of forming metallo-semiconductor and/or metallo-dielectric material structures for use in semiconductor devices, and more particularly for use in iii-nitride based semiconductor devices.
|Two-stage microfluidic device for acoustic particle manipulation and methods of separation|
Exemplary embodiments of the present disclosure provide for two-stage microfluidic devices using surface acoustic waves, methods of use thereof, methods of making, methods of focusing and separating particles, and the like.. .
|Surface acoustic wave monitor for deposition and analysis of ultra-thin films|
A surface acoustic wave (saw) based thin film deposition monitor device and system for monitoring the deposition of ultra-thin films and nanomaterials and the analysis thereof is characterized by acoustic wave device embodiments that include differential delay line device designs, and which can optionally have integral reference devices fabricated on the same substrate as the sensing device, or on a separate device in thermal contact with the film monitoring/analysis device, in order to provide inherently temperature compensated measurements. These deposition monitor and analysis devices can include inherent temperature compensation, higher sensitivity to surface interactions than quartz crystal microbalance (qcm) devices, and the ability to operate at extreme temperatures..
|Image generating apparatus and image generating method|
The amount of time required to complete reception of photoacoustic signals and reflected acoustic signals is shortened in an image generating apparatus. Light is irradiated onto a subject.
|Acoustic signal processing using model-based adaptive filtering|
A method of processing acoustic waveform data is disclosed. An acoustic logging tool acquires acoustic waveform data.
|Photoacoustic measuring apparatus|
A probe includes an acoustic wave transmitting section that transmits acoustic waves toward a subject, a light irradiating section that irradiates a light beam guided from a light source, and an acoustic wave detecting section that detects photoacoustic waves generated within the subject due to irradiation of the light beam onto the subject and reflected acoustic waves of the acoustic waves transmitted into the subject. In addition, a mode switching switch is provided on the probe.
|Acoustic wave device built-in module and communication device|
An acoustic wave device built-in module includes: a multilayer wiring board formed by stacking an insulating layer and a wiring layer; an acoustic wave device embedded in the multilayer wiring board; and an electronic component located on the multilayer wiring board and electrically coupled to the acoustic wave device, wherein the acoustic wave device includes: an electrode that is located on a substrate and excites an acoustic wave; and a sealing portion that includes a frame body located on the substrate so as to surround the electrode and a lid located on the frame body so as to form an air space above the electrode, and the lid is recessed toward the substrate.. .
|Saw array sensor|
A surface acoustic wave (saw) array sensor having an input interdigital transducer (idt); first and second output idts that are disposed at both sides of the input idt, respectively; a first delay line between the input idt and the first output idt; and a second delay line between the input idt and the second output idt, wherein the first and second delay lines have different lengths; and related devices.. .
|Acoustic wave device and method of fabricating the same|
An acoustic wave device includes: a piezoelectric substrate of which four sides of an upper surface are approximate cleavage directions; and an electrode that is formed on the upper surface of the piezoelectric substrate, and excites an acoustic wave propagating in a direction different from the approximate cleavage directions.. .
Earphone apparatus (40) comprising: a substantially planar substrate (43) defining at least one electrical connection path (44); an electro-acoustic driver (41) and sensing microphone (42) each mounted on the substrate (43) and connected to the at least one electrical connection path (44); wherein the substrate (43) at least in part defines an acoustic waveguide (47) having a part extending through the substrate (43) for conveying sound from outside of the earphone apparatus (40) to the sensing microphone (42); and the part of the acoustic waveguide (47) extends through the substrate (43) substantially normal to the thickness of the substrate (43).. .
|Seismic data processing including compensating for source and receiver ghost effects in reverse time migration|
Methods and systems for compensating for source and receiver ghost effects in a reverse time migration (rtm) equation are described. Boundary conditions associated with the rtm acoustic wave equations for the source and recorded wavefields are modified.
|High coupling, low loss pbaw device and associated method|
In embodiments, a piezoelectric acoustic wave (pbaw) device may include a substrate and a resonator comprising a plurality of electrodes coupled with the surface of the substrate. A dielectric overcoat may be disposed over the substrate and the resonator.
|Bulk acoustic wave structure with aluminum copper nitride piezoelectric layer and related method|
According to an exemplary embodiment, a bulk acoustic wave structure includes a lower electrode situated over a substrate. The bulk acoustic wave structure further includes a piezoelectric layer situated over the lower electrode, where the piezoelectric layer comprises aluminum copper nitride.
|Facilitating streaming fluid using acoustic waves|
Systems and methods are provided facilitating a steaming fluid flow utilizing acoustic waves. A system includes an acoustic wave generator and an acoustic coupler associated with the acoustic wave generator and coupling acoustic waves generated by the acoustic wave generator into a fluid.
|Non-contact optical system for detecting ultrasound waves from a surface|
A system for detecting pressure, acoustic or ultrasound waves within an entity having a surface including the steps of attaching a signal converting material to the surface. The waves are generated by direct ejection from the surface, generation via energy deposition on the surface, generated spontaneously or, generated by directing light energy to the light absorbing target.
|Photoacoustic imaging apparatus and photoacoustic imaging method|
A probe transmits acoustic waves toward a subject. After transmission of the acoustic waves, the probe receives reflected acoustic waves of the transmitted acoustic waves.
|Object information acquiring apparatus and control method thereof|
Provided is an object information acquiring apparatus generating image data inside an object on the basis of an acoustic wave propagating inside the object, which uses an object information acquiring apparatus having an acoustic detector receiving the acoustic wave, an object information distribution processor generating an object information distribution representing a property of inside of the object by using the acoustic wave, a reliability distribution generator generating a reliability distribution by using the object information distribution, a similarity distribution generator generating a similarity distribution indicating similarity between template data indicating a relation between a real image and an artifact in the image data, and the object information distribution, and a combination processor performing combination processing of the reliability distribution and the similarity distribution.. .
|Lithographic apparatus and device manufacturing method|
A lithographic apparatus includes a support constructed to support a patterning device, the patterning device being capable of imparting a radiation beam with a pattern in its cross-section to form a patterned radiation beam; a substrate table constructed to hold a substrate; a projection system configured to project the patterned radiation beam onto a target portion of the substrate; a sensor array positioned and arranged to detect an acoustic wave from a movable part of the lithographic apparatus, a controller, the controller having a controller input connected to the sensor array so as to receive a sensor array output signal, and a controller output connected to at least one actuator arranged to act on the movable part, the controller being arranged to: calculate a movement of the movable part from the sensor array output signal, and drive via the controller output the at least one actuator in response to the calculated movement.. .
|Acoustic wave filter|
An acoustic wave filter has a first signal line connecting one among the plurality of first idt electrodes and the first balanced signal terminal; a second signal line connecting the other first idt electrode with the second balanced signal terminal; a third signal line connecting one among the plurality of second idt electrodes with the second balanced signal terminal; and a fourth signal line connecting the other second idt electrode with the first balanced signal terminal. The fourth signal line has an intersection portion three-dimensionally intersecting with a part of the second signal line.
An electronic component includes a support layer that surrounds an element region on a principal surface of a piezoelectric substrate, when viewed in plan from a z-axis direction. A surface acoustic wave element is provided in the element region.
|Acoustic wave element and acoustic wave device using same|
A saw element has a substrate, electrode fingers on an upper surface of the substrate, and mass-adding films on upper surfaces of the electrode fingers. When viewing the cross-sections perpendicular to the extending directions of the electrode fingers, the mass-adding films have the narrowest widths at an upper sides in the cross-sections.
|Optimal acoustic impedance materials for polished substrate coating to suppress passband ripple in baw resonators and filters|
A bulk acoustic wave (baw) resonator is constructed to reduce phase and amplitude ripples in a frequency response. The baw resonator is fabricated on a substrate 400 μm thick or less, preferably approximately 325 μm, having a first side and a polished second side with a peak-to-peak roughness of approximately 1000 a.