Matches 1 - 37 out of 37


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US20120188850 ULTRASONIC SENSOR UNIT AND ELECTRONIC DEVICE  
An ultrasonic sensor unit includes a transmission base plate and a reception base plate. The transmission base plate includes an ultrasonic transmission sensor configured and arranged to transmit...
US20140022865 TEMPERATURE COMPENSATION IN A CMUT DEVICE  
CMUT devices are used in many applications e.g. for ultrasound imaging and pressure measurement. These devices operate by sensing a change in capacitance caused by deflection of a membrane (32)...
US20080212409 Membrane For a Mems Condenser Microphone  
A membrane (2) for a microphone (1) is disclosed which comprises a first portion (A1), a second portion (A2), and elements (E1 . . . E4, E1′ . . . E4′), which connect said first (A1) and said...
US20110242932 CMUT CELL FORMED FROM A MEMBRANE OF NANOTUBES OR NANOWIRES OR NANORODS AND DEVICE FOR ULTRA HIGH FREQUENCY ACOUSTIC IMAGING INCLUDING MULTIPLE CELLS OF THIS KIND  
A cMUT-type capacitive electroacoustic transducer including: at least one membrane configured to oscillate under effect of an electric field and/or an acoustic wave, wherein the membrane is formed...
US20150016227 CAPACITIVE MICRO-MACHINED ULTRASOUND TRANSDUCER DEVICE WITH CHARGING VOLTAGE SOURCE  
The present invention relates to a capacitive micro-machined ultrasound transducer (CMUT) device (1) for transmitting and/or receiving ultrasound waves, comprising at least one CMUT cell (10). The...
US20080228231 Acoustic Back-Scattering Sensing Screw for Preventing Spine Surgery Complications  
A medical device having an implantable instrument configured to be implanted in bone tissue, the implantable instrument having an internal chamber configured to house at least one transducer; a...
US20140293751 THROUGH-WAFER VIA DEVICE AND METHOD OF MANUFACTURING THE SAME  
The present invention relates to a through-wafer via device (10) comprising a wafer (12) made of a wafer material and having a first wafer surface (12a) and a second wafer surface (12b) opposing...
US20120300593 RECEIVER TRANSDUCER FOR WIRELESS POWER TRANSFER  
A signal generator generates an electrical signal that is sent to an amplifier, which increases the power of the signal using power from a power source. The amplified signal is fed to a sender...
US20120300594 PRESSURE WAVE GENERATOR AND DEVICE INCLUDING THE SAME  
A pressure wave generator includes a silicon substrate, a hole formed in the silicon substrate, and a film covering the hole. The film includes a multilayer film of a heat generating member and a...
US20140318255 CAPACITIVE TRANSDUCER AND METHOD OF MANUFACTURING SAME  
Provided is a capacitive transducer including an element including a plurality of cells supported such that a vibrating membrane including one of a pair of electrodes formed with an gap inbetween...
US20100002543 Micromechanical Structure for Receiving and/or Generating Acoustic Signals, Method for Producing a Micromechnical Structure, and Use of a Micromechanical Structure  
A micromechanical structure and a method for producing a micromechanical structure are provided, the micromechanical structure being configured for receiving and/or generating acoustic signals in...
US20140010052 CAPACITIVE TRANSDUCER  
Provided is a capacitive transducer having a wide frequency band width and an improved transmitting and receiving sensitivity, the capacitive transducer including an element including a plurality...
US20140313861 TRANSDUCER, METHOD FOR MANUFACTURING TRANSDUCER, AND OBJECT INFORMATION ACQUIRING APPARATUS  
A transducer includes at least one element including a plurality of cells. Each of the cells includes a pair of electrodes disposed with a gap therebetween and a vibrating membrane including one...
US20140318254 CAPACITIVE TRANSDUCER AND METHOD OF MANUFACTURING SAME  
A side lobe in a capacitive transducer is reduced. Provided is a capacitive transducer including an element including a plurality of cells supported such that a vibrating membrane including one of...
US20140236018 ULTRASOUND TRANSDUCER ELEMENT AND ULTRASOUND ENDOSCOPE  
An ultrasound transducer element includes a plurality of electrostatic capacitance type ultrasound cells each having a lower electrode portion and a membrane including an upper electrode portion...
US20090141592 Telemetric Sensing Using Micromachined Ultrasonic Transducer  
Implementations of a cMUT have a telemetric antenna operative to telemetrically transmit an output signal generated by the cMUT in reception mode (RX). The cMUT generates the output signal by...
US20070287918 SEPARATE CMUTS FOR RECEPTION AND TRANSMISSION  
A capacitive micromachined ultrasonic transducers (cMUT) system has two cMUTs connected to each other. The first cMUT is adapted for operation in a transmission mode, and the second cMUT is...
US20080259725 Acoustic crosstalk reduction for capacitive micromachined ultrasonic transducers in immersion  
A reduced crosstalk capacitive micromachined ultrasonic transducer (CMUT) array is provided. The CMUT array has at least two CMUT array elements deposited on a substrate, at least one CMUT cell in...
US20090080292 Microfabricated acoustic transducer with a multilayer electrode  
In a capacitive membrane ultrasound transducer, one or more electrodes include multiple layers of conductive or semiconductive material. The layers may be positioned adjacent an insulator or...
US20100246332 Stacked Transducing Devices  
Implementations include a capacitive micromachined ultrasonic transducer (CMUT) having an additional transducing device overlaid in a vertically stacked relationship. In some implementations the...
US20070287912 Functional imaging using capacitive micromachined ultrasonic transducers  
The present invention provides an apparatus for functional imaging of an object that is compact, sensitive, and provides real-time three-dimensional images. The apparatus includes a source of...
US20100135123 ACOUSTIC SENSOR ELEMENT  
A micromechanical acoustic sensor element, which has at least one diaphragm and at least one fixed counter element, the diaphragm being situated in a cavity between a substrate and the counter...
US20150192692 Fabrication Process and Package Design for Use in a Micro-Machined Seismometer or Other Device  
An accelerometer or a seismometer using an in-plane suspension geometry having a suspension plate and at least one fixed capacitive plate. The suspension plate is formed from a single piece and...
US20110170376 FABRICATION PROCESS AND PACKAGE DESIGN FOR USE IN A MICRO-MACHINED SEISMOMETER OR OTHER DEVICE  
An accelerometer or a seismometer using an in-plane suspension geometry having a suspension plate and at least one fixed capacitive plate. The suspension plate is formed from a single piece and...
US20100254222 Dual-Mode Operation Micromachined Ultrasonic Transducer  
Implementations of a cMUT have dual operation modes. The cMUT has two different switchable operating conditions depending on whether a spring member in the cMUT contacts an opposing surface at a...
US20120069701 ULTRASONIC TRANSDUCER AND ULTRASONIC DIAGNOSTIC APPARATUS PROVIDED WITH SAME  
For disposing projections of insulating film protruding into a hollow part in CMUT in order to suppress injection of electrical charge into the insulating film due to contact of a lower surface of...
US20090262605 ULTRASOUND TRANSDUCER AND ELECTRONIC DEVICE  
An ultrasound transducer includes a substrate, an ultrasound transducer cell placed on one surface of the substrate and having a lower electrode, a first gap portion placed on the lower electrode...
US20130135971 METHOD FOR MANUFACTURING CAPACITIVE MICROMACHINED ULTRASONIC TRANSDUCER AND APPARATUS CONFIGURED TO OBTAIN SUBJECT INFORMATION USING THE CAPACITIVE MICROMACHINED ULTRASONIC TRANSDUCER  
There is provided a method for manufacturing a capacitive micromachined ultrasonic transducer. In this method, a first insulating layer and a vibrating membrane are bonded by heat treatment and a...
US20080089180 Ultrasonic transducer, ultrasonic probe, and ultrasonic diagnostic apparatus  
An ultrasonic transducer of a capacitance type includes a pair of electrodes disposed to be opposed to each other and a vibration film including one of the pair of electrodes. The ultrasonic...
US20100202254 CMUTS WITH A HIGH-K DIELECTRIC  
A capacitive ultrasound transducer includes a first electrode, a second electrode, and a third electrode, the third electrode including a central region disposed in collapsibly spaced relation...
US20090122651 Direct wafer bonded 2-D CUMT array  
A capacitive micromachined ultrasonic transducer (CMUT) array connected to a separate electronic unit is provided. The CMUT array includes at least two active elements, a ground element at the...
US20130242705 MULTI-ARRAY ULTRASONIC PROBE APPARATUS AND METHOD FOR MANUFACTURING MULTI-ARRAY PROBE APPARATUS  
A multi-array type ultrasonic probe apparatus includes n tiles which transmit and receive an ultrasonic beam; and a substrate having n guide portions on which the n tiles are mounted,...
US20100278015 Variable Operating Voltage in Micromachined Ultrasonic Transducer  
A cMUT and a cMUT operation method use an input signal that has two components with different frequency characteristics. The first component has primarily acoustic frequencies within a frequency...
US20160243588 METHOD FOR MANUFACTURING CAPACITIVE MICROMACHINED ULTRASONIC TRANSDUCER AND APPARATUS CONFIGURED TO OBTAIN SUBJECT INFORMATION USING THE CAPACITIVE MICROMACHINED ULTRASONIC TRANSDUCER  
There is provided a method for manufacturing a capacitive micromachined ultrasonic transducer. In this method, a first insulating layer and a vibrating membrane are bonded by heat treatment and a...
US20160016197 CAPACITIVE MICROMACHINED ULTRASONIC TRANSDUCER MODULE USING WIRE-BONDING  
Provided are capacitive micromachined ultrasonic transducer (CMUT) modules. A CMUT module includes a CMUT chip which includes a plurality of first electrode pads on a first surface thereof; a...
US20150290679 CAPACITANCE TYPE TRANSDUCER, MANUFACTURING METHOD THEREFOR, AND SUBJECT INFORMATION ACQUIRING APPARATUS  
A capacitance type transducer includes one or more cells having a structure in which a vibrating film including one electrode of a pair of electrodes formed spaced apart from each other is...
US20150268091 OBJECT INFORMATION ACQUIRING APPARATUS  
An object information acquiring apparatus includes a detector including m-number of probes to which a voltage is supplied and a current/voltage conversion circuit which converts a current into a...

Matches 1 - 37 out of 37