G01S7/52023

Integration techniques for micromachined pMUT arrays and electronics using thermocompression bonding, eutectic bonding, and solder bonding
12172189 · 2024-12-24 · ·

The present disclosure provides methods to integrate piezoelectric micromachined ultrasonic transducer (pMUT) arrays with an application-specific integrated circuit (ASIC) using thermocompression or eutectic/solder bonding. In an aspect, the present disclosure provides a device comprising a first substrate and a second substrate, the first substrate comprising a pMUT array and the second substrate comprising an electrical circuit, wherein the first substrate and the second substrate are bonded together using thermocompression, wherein any set of individual PMUTs of PMUT array is addressable. In another aspect, the present disclosure provides a device comprising a first substrate and a second substrate, the first substrate comprising a pMUT array and the second substrate comprising an electrical circuit, wherein the first substrate and the second substrate are bonded together using eutectic or solder bonding, wherein any set of individual PMUTs of the PMUT array is addressable.

Electrosound camera
09857466 · 2018-01-02 ·

Systems, devices and methods for obtaining or providing listening involve utilizing one or more electromagnetic signal (energy) detection-facilitated modulation sensing devices to sense audio frequency modulated signals received from or associated with one or more illuminated and/or luminous objects; and generating or providing a listening output of the sensing device(s), the listening output including signals and/or information indicating or providing a representation of a disturbance to an electromagnetic field or fields at or associated with at least one of said one or more objects, the disturbance being or including an audio frequency modulation of a signal from or associated with (e.g., received from) at least one of said one or more objects.

Electrosound camera
09823348 · 2017-11-21 ·

Systems, devices and methods for obtaining or providing listening involve utilizing one or more electromagnetic signal (energy) detection-facilitated modulation sensing devices to sense audio frequency modulated signals received from or associated with one or more illuminated and/or luminous objects; and generating or providing a listening output of the sensing device(s), the listening output including signals and/or information indicating or providing a representation of a disturbance to an electromagnetic field or fields at or associated with at least one of said one or more objects, the disturbance being or including an audio frequency modulation of a signal from or associated with (e.g., received from) at least one of said one or more objects.

Electrosound camera
09817118 · 2017-11-14 ·

Systems, devices and methods for obtaining or providing listening involve utilizing one or more electromagnetic signal (energy) detection-facilitated modulation sensing devices to sense audio frequency modulated signals received from or associated with one or more illuminated and/or luminous objects; and generating or providing a listening output of the sensing device(s), the listening output including signals and/or information indicating or providing a representation of a disturbance to an electromagnetic field or fields at or associated with at least one of said one or more objects, the disturbance being or including an audio frequency modulation of a signal from or associated with (e.g., received from) at least one of said one or more objects.

Measurement and imaging instruments and beamforming method
12216234 · 2025-02-04 · ·

A measurement and imaging instrument capable of beamforming with high speed and high accuracy without approximate calculation. The instrument includes a reception unit which receives a wave arriving from a measurement object to generate a reception signal; and an instrument main body which performs a lateral modulation while superposing two waves in a two-dimensional case and three or four waves in a three-dimensional case in beamforming processing of the reception signal in which at least one wave arriving from the measurement object is processed as being transmitted or received in the axial direction or directions symmetric with respect to the axial direction to generate a multi-dimensional reception signal, performs Hilbert transform with respect to the multi-dimensional reception signal, and performs partial derivative processing or one-dimensional Fourier transform to generate analytic signals of the multi-dimensional reception signals of the two waves or the three or four waves.

BEAMFORMING APPARATUS, ULTRASONIC PROBE HAVING THE SAME, ULTRASONIC DIAGNOSTIC APPARATUS, AND CONTROLLING METHOD THEREOF
20170209122 · 2017-07-27 ·

The present disclosure provides a beamforming apparatus, ultrasonic probe having the same, ultrasonic diagnostic apparatus, and controlling method thereof, which increases the quality of an image in a region of interest by adjusting time delays of analog and digital beamformers in a two dimensional (2D) transducer of the ultrasonic diagnostic apparatus. In accordance with an aspect of the present disclosure, a beamforming apparatus for beamforming ultrasound received through a two dimensional (2D) arrayed ultrasonic transducer is provided. The apparatus includes an analog beamformer for delaying analog signals received from a subarray including at least one array of the transducer; an analog-to-digital converter (ADC) for converting an analog signal to a digital signal; a digital beamformer for beamforming the digital signal; and a beamformer controller for calculating an initial time delay based on a reference focus point corresponding to a region of interest, and determining a starting point of a sample and hold (S/H) circuit included in the analog beamformer.

Electrosound camera
09709671 · 2017-07-18 ·

Systems, devices and methods for obtaining or providing listening involve utilizing one or more electromagnetic signal (energy) detection-facilitated modulation sensing devices to sense audio frequency modulated signals received from or associated with one or more illuminated and/or luminous objects; and generating or providing a listening output of the sensing device(s), the listening output including signals and/or information indicating or providing a representation of a disturbance to an electromagnetic field or fields at or associated with at least one of said one or more objects, the disturbance being or including an audio frequency modulation of a signal from or associated with (e.g., received from) at least one of said one or more objects.

Acoustic probe with components of acoustic elements having different pitches than each other

An acoustic probe includes a plurality of acoustic array components separated and spaced apart from each other. Each of the acoustic array components includes: an array of acoustic element circuits disposed contiguous to each other at a first pitch; a plurality of pads each corresponding to one of the acoustic element circuits and formed within a circuitry area of the corresponding acoustic element circuit, the pads being disposed at a second pitch; a plurality of interconnection bumps each corresponding to one of the pads and being disposed in electrical connection with the corresponding pad, wherein the interconnection bumps are disposed at a third pitch; and a plurality of acoustic transducer elements on the interconnection bumps. The acoustic transducer elements are disposed at a fourth pitch. At least two of the first, second, third, and fourth pitches are different than each other.

ULTRASOUND APPARATUS AND OPERATING METHOD THEREOF
20170090023 · 2017-03-30 ·

A beamformer for performing analog beamforming of ultrasound signals received from a plurality of transducer devices, the beamformer includes: first analog devices configured to output first ultrasound signals by delaying or transmitting the ultrasound signals based on a predetermined delay time; second analog devices configured to store first sub-ultrasound signals from among the first ultrasound signals, and to output the first sub-ultrasound signals depending on whether the first sub-ultrasound signals are repeatedly used; and a processor configured to control the delay time, and to perform the analog beamforming by summing the first ultrasound signals which correspond to the plurality of transducer devices and which are outputted depending on the delay time.

ULTRASONIC DEVICE, ULTRASONIC MODULE, AND ULTRASONIC MEASUREMENT APPARATUS
20170055950 · 2017-03-02 ·

An ultrasonic device includes a plurality of ultrasonic element groups each including at least one transmitting element adapted to transmit an ultrasonic wave and at least one receiving element adapted to receive an ultrasonic wave, and arranged along an X direction, and in each of the ultrasonic element groups, a centroid position of the receiving area, in which the receiving element included in the ultrasonic element group is disposed, overlaps a transmitting area, in which the transmitting element included in the ultrasonic element group is disposed, in a projection view along a Y direction.