摘要:
An ultrasonic transducer arraying at even intervals ultrasonic transducers for transmitting and receiving ultrasonic waves and layering a plurality of acoustic matching layers on them, comprising an transducer shape forming member made of a fiber-reinforced thermosetting PPE for filling a gap formed on the side face of the ultrasonic transducer with the same material as that of the acoustic matching layer, mixing a colorant in a division member adjacent to a predefined ultrasonic transducer from among a plurality of ultrasonic transducers, and arraying the plurality thereof.
摘要:
An electronic radial type ultrasonic transducer arraying, in a cylindrical form, a plurality of ultrasonic transducer elements for transmitting and receiving ultrasound, and for storing cables corresponding to the respective ultrasonic transducer elements for transmitting a drive signal for driving each of the ultrasonic transducer elements in the inside of a group of the ultrasonic transducer elements arrayed in the cylindrical form, featuring a conductive film on a surface of an insulator through which the cable group is led, and also comprising an acoustic lens constituted of a lens part which is connected to a ground wire and featured as a convex form and a cover part covering an easily breakable part or conductor material which is electrically connected to a plurality of ultrasonic transducers.
摘要:
An ultrasonic transducer arraying at even intervals ultrasonic transducers for transmitting and receiving ultrasonic waves and layering a plurality of acoustic matching layers on them, comprising an transducer shape forming member made of a fiber-reinforced thermosetting PPE for filling a gap formed on the side face of the ultrasonic transducer with the same material as that of the acoustic matching layer, mixing a colorant in a division member adjacent to a predefined ultrasonic transducer from among a plurality of ultrasonic transducers, and arraying the plurality thereof.
摘要:
Disclosed is an ultrasonic transducer which is composed of a plurality of piezoelectric elements having an electrode on each of two opposite surfaces, an acoustic matching layer arranged on the first surface that is one of the two opposite surfaces, a wiring board so arranged on the acoustic matching layer as to be in contact with the piezoelectric element, and a conductor electrically connecting the wiring board with the electrode on the second surface that is one of the two opposite surfaces. This ultrasonic transducer is characterized in that the surface of the wiring board on the same side as the second surface of the piezoelectric element is positioned relatively lower than the second surface of the piezoelectric element.
摘要:
The present invention provides an ultrasonic endoscope, comprising: an ultrasonic transducer in a cylindrical shape including a plurality of piezoelectric devices, an acoustic matching layer stacked on a principal plane on a sound emitting plane side, an acoustic lens on a plane of the acoustic matching layer opposite to a plane facing the piezoelectric devices, and a backing material stacked on another principal planes of the piezoelectric devices; an endoscopic observation and endo-therapy unit provided, for performing endoscopic image observation, at a proximal end side of the ultrasonic transducer; a cable ass'y including a plurality of cables for transmitting signals to and from the ultrasonic transducer. In the above configuration, the cable ass'y is arranged in such a manner that the cable ass'y passes through an inside portion of the ultrasonic transducer, and is connected to the ultrasonic transducer at a distal end side of the ultrasonic transducer. Thereby, an ultrasonic endoscope is provided that has an ultrasonic transducer in which the ultrasonic transducer and coaxial cables will not be disconnected even under thermal or mechanical loads.
摘要:
An ultrasonic transducer in which lead wire connection is facilitated even when piezoelectric devices are divided in order to prevent lateral vibrations from affecting longitudinal vibrations is manufactured by a method comprising: a step in which first dicing grooves are formed on an acoustic matching layer and a piezoelectric device plate that are mounted together in order to form a plurality of piezoelectric devices; a step in which a board and the respective piezoelectric devices are connected together; a step in which surfaces in the vicinity of locations at which the board and the piezoelectric devices are connected together are coated with a conductive sheet; and a step in which the plurality of transducer elements are formed by forming second dicing grooves between the first dicing grooves formed on the piezoelectric devices and the board that is coated with the conductive sheet and on the acoustic matching layer.
摘要:
By bonding a conductive first matching layer 14 to the acoustic radiation surface side, which is the bottom side, of a belt-shape piezoelectric element on both faces with electrodes provided, and using a dicing machine to form divided grooves 16, an array of piezoelectric elements 6, 6, . . . , 6 is formed in the element array direction. By deepening the divided grooves 16, generation of cross talk can be prevented, and by filling the portions of the divided grooves 16 not in contact with the piezoelectric elements 6 with a conductive adhesive 17, a reduction in strength due to formation of the divided grooves 16 can be prevented, and a common connection between the ground electrode 13b on the bottom surface of each piezoelectric element 6 and the conductive first matching layer 14 can be reliably secured.
摘要:
An ultrasonic wave oscillator is configured in a manner that an acoustic matching member is formed on the ultrasonic wave emission side of an electromechanical transducer element, a backing material is fixed with adhesive on the other side thereof, and the electromechanical transducer element is fixed by connection members pressing it respectively from opposite directions.
摘要:
An ultrasonic wave oscillator is configured in a manner that an acoustic matching member is formed on the ultrasonic wave emission side of an electromechanical transducer element, a backing material is fixed with adhesive on the other side thereof, and the electromechanical transducer element is fixed by connection members pressing it respectively from opposite directions.
摘要:
A capacitive micromachined ultrasonic transducer (cMUT) at least including a silicon substrate, a bottom electrode mounted onto the silicon substrate, a upper electrode mounted facing the bottom electrode and apart therefrom by a predetermined cavity, and a membrane supporting the upper electrode, wherein a part of the aforementioned cMUT is charged.