Follow us on Twitter
twitter icon@FreshPatents


Acoustic Wave patents

      

This page is updated frequently with new Acoustic Wave-related patent applications.




 Method for removing electric crosstalk patent thumbnailMethod for removing electric crosstalk
A method of removing an electric crosstalk contribution is disclosed. This crosstalk exists in a monitoring signal from a monitored electro-mechanical transducer in a device comprising a plurality of electro-mechanical transducers which are driven by actuation signals so as to produce acoustic waves in an acoustic frequency range.
Océ-technologies B.v.


 Surface acoustic wave filter devices patent thumbnailSurface acoustic wave filter devices
The present invention relates to a surface acoustic wave filter device with floating units. The surface acoustic wave filter device comprises a piezoelectric substrate, at least one interdigitated transducer configuration and at least one floating unit.
Airoha Technology Corp.


 Acoustic wave device and  manufacturing the same patent thumbnailAcoustic wave device and manufacturing the same
An acoustic wave device includes a substrate comprising one surface on which an acoustic wave generator and at least one ground pad are included; a support component formed of an insulating material and disposed on the substrate along a circumference of the acoustic wave generator; and a shielding member electrically connected to the ground pad and blocking reception or emission of electromagnetic waves at the acoustic wave generator.. .
Samsung Electro-mechanics Co., Ltd.


 Protective cover for an acoustic wave device and fabrication method thereof patent thumbnailProtective cover for an acoustic wave device and fabrication method thereof
A protective cover for an acoustic wave device and a fabrication method thereof, for protecting an acoustic wave device having a resonant area during a packaging operation so as to avoid molding compound flowing onto the resonant area of the acoustic wave device. The fabrication method comprises: defining a sacrificial area on the acoustic wave device; forming a sacrificial layer on the sacrificial area; covering a metal covering layer on the sacrificial layer and connecting a bottom rim of the metal covering layer to the acoustic wave device and forming an opening between the bottom rim of the metal covering layer and the acoustic wave device; and removing the sacrificial layer to form a cavity between the metal covering layer and the resonant area by using a chemical solution, wherein the chemical solution enters from the opening between the metal covering layer and the acoustic wave device..
Win Semiconductors Corp.


 Acoustic wave resonator and filter including the same patent thumbnailAcoustic wave resonator and filter including the same
An acoustic wave resonator includes a substrate; a resonating part disposed on a first surface of the substrate and including a first electrode, a piezoelectric layer, and a second electrode; and a cap disposed on the first surface of the substrate and including an accommodating part accommodating the resonating part. The resonating part is configured to be operated by either one or both of a signal output from a first device substrate disposed facing a second surface of the substrate on an opposite side of the substrate from the first surface of the substrate and a signal output from a second device substrate disposed on the cap..
Samsung Electro-mechanics Co., Ltd.


 Air gap in baw top metal stack for reduced resistive and acoustic loss patent thumbnailAir gap in baw top metal stack for reduced resistive and acoustic loss
Embodiments of a bulk acoustic wave (baw) device including a high conductivity electrode are disclosed. In some embodiments, a baw device includes a piezoelectric layer, a first electrode on a first surface of the piezoelectric layer, and a second electrode on a second surface of the piezoelectric layer opposite the first electrode.
Triquint Semiconductor, Inc.


 Method and  cleaning a semiconductor substrate patent thumbnailMethod and cleaning a semiconductor substrate
Disclosed are systems and methods for cleaning semiconductor substrates, wherein a nucleation structure having nucleation sites is mounted facing a surface of the substrate to be cleaned. The substrate and structure are brought into contact with a cleaning liquid, which is subsequently subjected to acoustic waves of a given frequency.
Imec


 Minimum redundancy spacing functions for surface acoustic wave (saw) sensor devices patent thumbnailMinimum redundancy spacing functions for surface acoustic wave (saw) sensor devices
A surface acoustic wave sensor system for determining environmental conditions on a substrate. The system comprises an interrogator for producing an rf interrogating signal transmitted by an antenna to an interdigital transducer mounted on the substrate for producing an incident surface acoustic wave responsive to the interrogating signal.
Mnemonics, Inc.


 Photoacoustic gas sensor device and a  analyzing gas patent thumbnailPhotoacoustic gas sensor device and a analyzing gas
A photoacoustic gas sensor device for analyzing gas includes an emitter module and a pressure-sensitive module. The emitter module is arranged on a carrier substrate and emits light pulses.
Infineon Technologies Ag


 Focusing wedge for ultrasonic testing patent thumbnailFocusing wedge for ultrasonic testing
Disclosed is a composite focusing wedge for ultrasonic non-destructive testing/inspection. The composite wedge comprises a base made of machined or cast material, and a lens made of a material which is cast in liquid form and subsequently solidifies.
Olympus Scientific Solutions Americas Inc.


Apparatus and non-destructive testing of materials

A device for testing a test material for defects within the test material has an acoustic broadband transducer offset from the test material surface during testing by a distance so that the transducer acquires acoustic waves across an air gap from the test material, wherein the acoustic waves arise from impact of an impact member on the test material.. .

Telemetry system, a pipe and a transmitting information

The invention relates to a telemetry system for use in a pipe having a wall, comprising a transmitter adapted to generate at least one acoustic wave in a frequency range of about 50-300 khz, and to inject the acoustic wave in the wall of the pipe, wherein the transmitter is further arranged to binary code information conceived to be transmitted with the acoustic wave. The invention further relates to a pipe comprising the telemetry system, and to a method of transmitting information via a pipe..
Nederlandse Organisatie Voor Toegepast-natuurwetenschappelijk Onderzoek Tno

Photoacoustic image generation apparatus, signal processing device, and photoacoustic image generation method

An insertion needle 15 has a photoacoustic wave generating portion that generates a photoacoustic wave by absorbing light emitted from a laser unit 13. A photoacoustic image generation unit 25 generates a photoacoustic image based on the detection signal of the photoacoustic wave emitted from the insertion needle 15.
Fujifilm Corporation

Direct write sensors

A method of making an acoustic wave sensor includes the steps of providing a piezoelectric substrate layer and printing on the substrate layer a sensor layer comprising a first interdigitated acoustic wave transducer, a sensing film, and positioned on an opposing side of the sensing film from the first interdigitated acoustic wave transducer at least one selected from the group consisting of a second interdigitated acoustic wave transducer and a bragg reflector. An insulation layer can be printed.
Ut-battelle, Llc

Transducer array, and acoustic wave measurement apparatus

A transducer array including a plurality of transducers each of which receives an acoustic wave and transduces the received acoustic wave into an electric signal, and a support member supporting the transducers, and having an inner surface which is defined by a quadric surface of revolution formed according to an imaginary quadratic curve rotating about an imaginary rotation axis. Each transducer includes a receiving surface having a substantially parallelogram shape defined by four vertexes, the receiving surface being connected to the support member so as to be oriented towards the inner surface of the support, and a transducing element transducing an acoustic wave, received by the transducer via the receiving surface, into an electric signal.
Canon Kabushiki Kaisha

Transducer unit, acoustic probe including the transducer unit, and photoacoustic apparatus including the acoustic probe

A transducer unit includes a substrate, a capacitive transducer provided on the substrate and configured to receive an acoustic wave generated when a subject is irradiated with light from a light source and output an electric signal, a circuit substrate including a current/voltage conversion circuit configured to convert a current output from the capacitive transducer into a voltage, and a flexible printed wiring that electrically connects the capacitive transducer to the current/voltage conversion circuit, in which the circuit substrate is provided on a surface side opposite to a surface where the capacitive transducer is provided among surfaces of the substrate.. .
Canon Kabushiki Kaisha

Semiconductor device, measurement device and measurement method

A semiconductor device according to the present embodiment is provided with a controller, a first detector, a second detector, and a determiner. In a first measurement, the first detector detects a first measured value correlated with the propagation time of the first acoustic wave in a first detection period from the transmission to the reception of the first acoustic wave.
Kabushiki Kaisha Toshiba

Object information acquiring apparatus

An object information acquiring apparatus comprises a light irradiation unit configured to irradiate an object with light; a sound generating member arranged between the object and the light irradiation unit and configured to generate a substantially planar ultrasonic wave based on the irradiated light; an acoustic wave probe configured to acquire an acoustic wave generated inside the object due to the light and convert the acoustic wave into a first electric signal; and an information generating unit configured to generate information concerning optical characteristics of an interior of the object, based on the first electric signal, wherein the sound generating member allows a part of the light irradiated from the light irradiation unit to pass through the sound generating member to the object.. .
Canon Kabushiki Kaisha

Object information acquiring apparatus

An object information acquiring apparatus includes a light source, a light absorbing member configured to absorb light radiated from the light source to generate a transmit-ultrasound wave that is a planar wave, a detecting element configured to receive an acoustic wave to output an electric signal, an information processing unit configured to acquire characteristic information on an object using the electric signal. The detecting element receives an ultrasound wave resulting from reflection or scattering of the transmit-ultrasound wave in the object, as an acoustic wave..
Canon Kabushiki Kaisha

Object information acquiring apparatus and control object information acquiring apparatus

An object information acquiring apparatus includes: an acoustic wave generating member which absorbs light and generates an acoustic wave; an irradiating unit which irradiates an object or the acoustic wave generating member with light; a detector which detects an acoustic wave propagating from the object; a signal processing unit which generates object information that is information of the inside of the object, based on a signal output from the detector; and a switching unit which performs switching between a first mode in which a first acoustic wave generated inside the object due to irradiation of the light is detected by the detector and a second mode in which a second acoustic wave generated by the acoustic wave generating member due to irradiation of the light and having propagated inside the object is detected by the detector.. .
Canon Kabushiki Kaisha

Surface acoustic wave (saw) resonator

A surface acoustic wave (saw) resonator includes a piezoelectric layer disposed over a substrate, and a plurality of electrodes disposed over the first surface of the piezoelectric layer. A layer is disposed between the substrate and the piezoelectric layer.
Avago Technologies General Ip (singapore) Pte. Ltd.

Surface acoustic wave (saw) resonator

A surface acoustic wave (saw) resonator includes a piezoelectric layer disposed over a substrate, and a plurality of electrodes disposed over the first surface of the piezoelectric layer. A layer is disposed between the substrate and the piezoelectric layer.
Avago Technologies General Ip (singapore) Pte. Ltd.

Multiplexer and module

A multiplexer includes: one or more transmit filters that are connected between an antenna terminal and one or more transmit terminals; one or more receive filters that are connected between the antenna terminal and one or more receive terminals; and a circuit that includes a longitudinally coupled acoustic wave filter and is connected in parallel to one or more series resonators of a first filter that is one of the one or more transmit filters and the one or more receive filters and includes the one or more series resonators and one or more parallel resonators each formed of a piezoelectric thin film resonator, wherein the longitudinally coupled acoustic wave filter is formed of idts formed on a chip of a second filter that is another one of the one or more transmit filters and the one or more receive filters and formed of a surface acoustic wave resonator.. .
Taiyo Yuden Co., Ltd.

Method of optimizing input impedance of surface acoustic wave filter

Methods of designing band-pass filters are disclosed. A baseline filter design is established, the baseline filter design including a plurality of surface acoustic wave resonators having respective resonant frequencies, the surface acoustic wave resonators organized by resonant frequency into two or more groups.
Resonant Inc.

Acoustic wave device and manufacturing the same

An acoustic wave device includes an acoustic wave generator spaced apart from a support layer and disposed on a substrate; a protective member coupled to the support layer and spaced apart from the acoustic wave generator by a predetermined distance; and a sealing component sealing the protective member.. .
Samsung Electro-mechanics Co., Ltd.

Surface acoustic wave (saw) resonator

A surface acoustic wave (saw) resonator includes a piezoelectric layer disposed over a substrate, and a plurality of electrodes disposed over the first surface of the piezoelectric layer. A layer is disposed between the substrate and the piezoelectric layer.
Avago Technologies General Ip (singapore) Pte. Ltd.

Surface acoustic wave (saw) resonator having trap-rich region

A surface acoustic wave (saw) resonator includes a piezoelectric layer disposed over a substrate, and a plurality of electrodes disposed over the first surface of the piezoelectric layer.. .
Avago Technologies General Ip (singapore) Pte. Ltd.

Surface acoustic wave (saw) resonator

A surface acoustic wave (saw) resonator includes a piezoelectric layer disposed over a substrate, and a plurality of electrodes disposed over the first surface of the piezoelectric layer. A layer is disposed between the substrate and the piezoelectric layer.
Avago Technologies General Ip (singapore) Pte. Ltd.

Surface acoustic wave (saw) resonator

A surface acoustic wave (saw) resonator includes a piezoelectric layer disposed over a substrate, and a plurality of electrodes disposed over the first surface of the piezoelectric layer. A layer is disposed between the substrate and the piezoelectric layer.
Avago Technologies General Ip (singapore) Pte. Ltd.

Surface acoustic wave (saw) resonator

A surface acoustic wave (saw) resonator includes a piezoelectric layer disposed over a substrate, and a plurality of electrodes disposed over the first surface of the piezoelectric layer. A layer is disposed between the substrate and the piezoelectric layer.
Avago Technologies General Ip (singapore) Pte. Ltd.

Musical sound signal generation apparatus

An electronic musical instrument includes a storage unit storing waveform data wd constituted by a plurality of sample values, the waveform data expressing an acoustic waveform of a musical sound emitted from a speaker while a rotor rotates about a rotation axis by a predetermined angle, and a reproduction unit configured to sequentially read out the sample values from the storage unit and generate a musical sound signal based on the read-out sample values, the reproduction unit being configured to change a reproduction speed of the musical sound expressed by the plurality of sample values, without changing a pitch and formant of the musical sound.. .
Yamaha Corporation

Acoustic wave probe, acoustic wave transducer unit, and object information acquisition apparatus

An acoustic wave probe includes a support member including a plurality of through holes and a concave portion which is concave facing an object disposed in a measurement position at the time of measurement, and an acoustic wave transducer unit including at least a transducer. The acoustic wave transducer unit is mounted in the through hole facing approximately a center of curvature of the concave portion, and a thickness of the acoustic wave transducer unit is thinner on a side of the center of curvature..
Canon Kabushiki Kaisha

Ultrasonic surgical instrument clamp arm with snap-on clamp pad

An apparatus for operating on tissue includes a body, a shaft assembly, and an end effector. The shaft assembly extends distally from the body and includes an acoustic waveguide.
Ethicon Endo-surgery, Llc

Ultrasonic surgical instrument with replacable clamp pad

An ultrasonic instrument includes a body, a shaft assembly, and an end effector. The shaft assembly extends distally from the body.
Ethicon Endo-surgery, Llc

Ultrasonic surgical instrument with slidable flexing activation member

An ultrasonic instrument for use during a surgical procedure includes a body, a shaft assembly, an ultrasonic blade, and an actuation assembly. The body is configured to receive an ultrasonic transducer for selectively generating a first or a second predetermined oscillation.
Ethicon Endo-surgery, Llc

Ultrasonic surgical instrument with multi-grip activation and power selection

An ultrasonic instrument for use during a surgical procedure includes a body, a shaft assembly, an ultrasonic blade, and an actuation assembly. The body is configured to receive an ultrasonic transducer for selectively generating an oscillation at a first or a second predetermined power level.
Ethicon Endo-surgery, Llc

Ultrasonic surgical instrument with rotatable actuation levers and mechanical lockout

An ultrasonic instrument includes a body, an actuation assembly, a shaft assembly, an ultrasonic blade, and a mechanical lockout. The body is configured to receive an ultrasonic transducer.
Ethicon Endo-surgery, Llc

Activation features for ultrasonic surgical instrument

An ultrasonic instrument includes a body, an actuation assembly, a shaft assembly, and an ultrasonic blade. The body defines a longitudinal axis and is configured to receive an ultrasonic transducer.
Ethicon Endo-surgery, Llc

Apparatus and acquiring object information

An apparatus according to the present invention includes: a conversion element for converting an acoustic wave generated from an object when irradiated with light, to a reception signal; a signal processing unit for acquiring specific information of the object using the reception signal; a status measuring unit for measuring a status of placement of the object; a determining unit for determining whether the object is placed at an appropriate position for a photoacoustic measurement using a measurement result of the status measuring unit; and a noticing unit for noticing a method of moving the object on the basis of a determination result of the determining unit.. .
Canon Kabushiki Kaisha

Object information acquisition apparatus

An object information acquisition apparatus, comprises a holding member that holds an object and to be movable relative to the object; a position acquirer that acquires information on a position of the object; a first controller that controls a position of the holding member; a measurement unit that receives acoustic waves from the object; a second controller that controls a position of the measurement unit; an information acquirer that acquires information of the object; and a storage unit that stores history information representing information on a contact state of the holding member with the object, wherein the first controller controls the position of the holding member independently of the control performed by the second controller and adjusts the contact state of the holding member with the object based on the history information.. .
Canon Kabushiki Kaisha

Apparatus and method

An apparatus according to the present invention includes a processor processing characteristic distribution information derived from an acoustic wave generated from an object and which indicates specific values at a plurality of positions inside the object, wherein the processor: sets a first position of interest; acquires first weight distribution information which is related to a plurality of positions including the first position of interest; and acquires a substitute value for a specific value at the first position of interest using the first weight distribution information, the specific value at the first position of interest, and a specific value at a position that differs from the first position of interest among the plurality of positions.. .
Canon Kabushiki Kaisha

Acoustic wave filter, duplexer, and module

An acoustic wave filter includes: one or more series resonators connected in series between an input terminal and an output terminal; and parallel resonators connected in parallel between the input terminal and the output terminal and formed of piezoelectric thin film resonators, wherein each of at least two resonators of the parallel resonators includes an additional film having island-shaped patterns or aperture patterns formed at equal pitch intervals in a resonance region in which a lower electrode and an upper electrode face each other across a piezoelectric film, and a pitch interval of the island-shaped patterns or the aperture patterns in the additional film included in one of the at least two resonators differs from a pitch interval of the island-shaped patterns or the aperture patterns in the additional film included in another one of the at least two resonators.. .
Taiyo Yuden Co., Ltd.

Baw resonator having multi-layer electrode and bo ring close to piezoelectric layer

Embodiments of a bulk acoustic wave (baw) resonator having a high quality factor (q) and methods of fabrication thereof are disclosed. In some embodiments, a baw resonator includes a piezoelectric layer, a first electrode on a first surface of the piezoelectric layer, and a second multi-layer electrode on a second surface of the piezoelectric layer opposite the first electrode on the first surface of the piezoelectric layer.
Rf Micro Devices, Inc.

Baw resonator having lateral energy confinement and methods of fabrication thereof

Embodiments of a bulk acoustic wave (baw) resonator in which an outer region of the baw resonator is engineered in such a manner that lateral leakage of mechanical energy from an active region of the baw resonator is reduced, and methods of fabrication thereof, are disclosed. In some embodiments, a baw resonator includes a piezoelectric layer, a first electrode on a first surface of the piezoelectric layer, a second electrode on a second surface of the piezoelectric layer opposite the first electrode, and a passivation layer on a surface of the second electrode opposite the piezoelectric layer, the passivation layer having a thickness (tpa).
Rf Micro Devices, Inc.

Piezoelectric oxide single crystal substrate

Disclosed is a piezoelectric oxide single crystal substrate used in a surface acoustic wave device and the like which undergoes scarce warpage and is not easy to break or get scratched and has good a temperature characteristic. A piezoelectric oxide single crystal substrate has a concentration profile such that the li concentration differs between the substrate surface and a middle part of the substrate; in particular, the concentration profile is such that, in the direction of the thickness of the substrate, the closer the measuring point is to the substrate surface, the higher becomes the li concentration, and the closer the measuring point is to the thickness-wisely middle part of the substrate, the lower becomes the li concentration..
Shin-etsu Chemical Co., Ltd.

Systems and methods for acoustic wave enabled data storage

The present disclosure provides systems and methods for storing, reading, and writing data using particle-based acoustic wave driven shift registers. The shift registers may physically shift particles along rows and/or columns of wells through the interactions of two parallel surfaces.
Elwha Llc

Object information acquiring apparatus

An object information acquiring apparatus according to the present invention includes: a supporter which supports a plurality of conversion elements each converting a photoacoustic wave from an object into an electrical signal; an imager which acquires an image of the object; a scanner which changes a relative position between the object and the supporter; an acquirer which acquires first and second specific information of the inside of the object based on an electrical signal acquired at a first and second relative position between the object and the supporter; and a corrector which corrects a deviation between the first and the second specific information based on positional information of the object.. .
Canon Kabushiki Kaisha

Shear horizontal surface acoustic wave (sh-saw) resonators and arrays thereof

The present application relates to a biosensor that employs an acoustic cavity to store mechanical energy. In particular examples, the biosensor includes an electrode region and one or more reflector regions to form the acoustic cavity, as well as a functionalized active area disposed in proximity to the cavity.
Sandia Corporation

Object information acquiring apparatus and 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.. .
Canon Kabushiki Kaisha

Method of using a parabolic equation model for range-dependent seismo-acoustic problems

A method of modeling an aquatic environment or locating an acoustic source in the aquatic environment. A range-dependent medium is approximated in terms of a series of range-independent regions and obtaining single-scattering solutions across the vertical interfaces between regions.
Government Of The United States Of America, As Represented By The Secretary Of The Navy

Photoacoustic apparatus, controlling photoacoustic apparatus, and program

A photoacoustic apparatus includes a light source configured to generate a plurality of light beams having wavelengths different from each other, a conversion element configured to receive a photoacoustic wave that is generated in a subject in response to being illuminated with the respective light beams having wavelengths different from each other and output a signal for each wavelength, an information acquisition unit configured to acquire information in terms of a concentration of a substance existing in the subject by using the signal for each wavelength, and a specifying unit configured to specify a coefficient and instruct the information acquisition unit to use the specified coefficient in acquiring the information in terms of the concentration, wherein the specifying unit specifies, as the coefficient, a value representable by a formula including an amount of light having each wavelength, and wherein the information acquisition unit acquires information in terms of the concentration by using the coefficient specified by the specifying unit and the signal for each wavelength.. .
Canon Kabushiki Kaisha

Device and frequency-domain thermoacoustic sensing

The invention relates to a device (100) and a corresponding method for thermoacoustic sensing, in particular thermoacoustic imaging, the device (100) comprising: a) an irradiation unit (10) configured to generate electromagnetic and/or particle energy exhibiting a first modulation, the first modulation comprising at least one frequency and to continuously emit the energy towards a target (1), whereby acoustic waves are continuously generated in the target, the acoustic waves exhibiting a second modulation, the second modulation comprising the at least one frequency and/or a harmonic frequency of the at least one frequency; b) a detection unit (20) configured to simultaneously detect the acoustic waves exhibiting the second modulation while the energy exhibiting the first modulation is being continuously emitted towards the target (1); and c) a processing unit (30) configured to determine at least one thermoacoustic value of an amplitude and/or a phase of the second modulation of the acoustic waves at the at least one frequency and/or at a harmonic frequency of the at least one frequency. The invention allows for fast and economic thermoacoustic sensing, in particular imaging of a region of interest of an object..
Helmhol Tz Zentrum Muenchen Deutsches Forschungszentrum Fuer Etc.



Acoustic Wave topics:
  • Acoustic Wave
  • Piezoelectric
  • Transducer
  • Wave Device
  • Electrical Signal
  • Extensional
  • Magnetic Field
  • Extensions


  • Follow us on Twitter
    twitter icon@FreshPatents

    ###

    This listing is a sample listing of patent applications related to Acoustic Wave for is only meant as a recent sample of applications filed, not a comprehensive history. There may be associated servicemarks and trademarks related to these patents. Please check with patent attorney if you need further assistance or plan to use for business purposes. This patent data is also published to the public by the USPTO and available for free on their website. Note that there may be alternative spellings for Acoustic Wave with additional patents listed. Browse our RSS directory or Search for other possible listings.


    0.289

    file did exist - 2545

    2 - 1 - 52