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WO/2018/102621A1 |
A transceiver (210) includes an array of pMUT elements (302), where each pMUT (302) element includes: a substrate (1030); a membrane (1034) suspending from the substrate (1030); a bottom electrode (1002) disposed on the membrane (1034); ...
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WO/2018/095900A1 |
Disclosed is a device comprising a piezoelectric actuator which can recognize the actuation force and provide haptic feedback. The longitudinal actuator extension generated for this purpose can be reinforced in the desired direction by a...
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WO/2018/095431A1 |
An energy-generating device is provided for generating energy by device deformation in any of three orthogonal directions. The device includes a resilient wave-shaped substrate (10) comprising six or more alternating wave structures exte...
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WO/2018/096924A1 |
Provided is a piezoelectric laminate element that outputs a fixed output voltage even in response to a static load for which an output voltage could not be obtained using a conventional piezoelectric element. A piezoelectric laminate bod...
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WO/2018/096198A1 |
The invention relates to a method for producing a non-porous polyvinylidene fluoride (PVDF) film (4), which comprises the steps of: preparing a solution (2) comprising PVDF, a solvent for the PVDF and an ionic liquid, the ration by weigh...
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WO/2018/098159A1 |
In one aspect, an ultrasound transducer system comprises a two-dimensional array of transducer elements, the transducer elements having a first side comprising individual first electrodes in electrical communication with control circuitr...
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WO/2018/095833A1 |
An ultrasound device is for treatment or imaging of material such as biological tissue, and comprises a transducer arrangement and an acoustic coupling component positioned between the transducer arrangement and the material. The acousti...
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WO/2018/091105A1 |
Disclosed is a piezoelectric transmission and/or reception device (1) consisting of - at least one piezo element (3), - at least two electrodes (5) for making contact with the piezo elements (3), and - at least two insulating elements (7...
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WO/2018/092595A1 |
The present disclosure relates to a vibration presentation device, a vibration presentation method, and a program for making it possible to provide a better tactile stimulus. The vibration presentation device is provided with a plurality...
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WO/2018/092886A1 |
This piezoelectric base material is provided with a spirally wound long piezoelectric substance, wherein the piezoelectric substance includes an optically active polypeptide, the longitudinal direction of the piezoelectric substance and ...
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WO/2018/092708A1 |
Provided are: a piezoelectric element sheet, which exhibits a high piezoelectric constant, holds charged charge carriers for a long time, and maintains a high piezoelectric modulus; and a method for manufacturing the piezoelectric elemen...
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WO/2018/091879A1 |
Apparatus for generating spin waves comprising a body (102) of magnetic material and an elastic wave generator (120), wherein the body (102) has a surface (108) and the elastic wave generator (120) is arranged to transmit elastic waves s...
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WO/2018/090892A1 |
A piezoelectric sensing device, comprising a plurality of piezoelectric areas; each of the piezoelectric areas comprises an anode surface and a cathode surface; the plurality of piezoelectric areas, from the first to the last, are sequen...
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WO/2018/092449A1 |
A gyro sensor according to one mode of embodiment of the present technology is provided with an annular frame, a drive portion, a first detecting portion, a plurality of pendulum portions, second detecting portions, and first vibration a...
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WO/2018/088517A1 |
This method for producing a composite titanium oxide comprises: a first step for dry-mixing a bismuth compound, an alkali compound, and a titanium compound in such amounts that the ratio ((Bi+A)/Ti) of the total number of moles of Bi and...
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WO/2018/088690A1 |
An energy harvesting system including a piezoelectric transducer having an improved bandwidth according to the present invention comprises: a case; a cantilever; an elastic member; and a piezoelectric transducer. The case includes a rece...
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WO/2018/087560A1 |
A method for producing a plurality of piezoelectric ultrasound transducer elements, the method comprising providing or depositing a piezoelectric material on at least part of a surface of a sheet of substrate to form a layered member; an...
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WO/2018/087342A1 |
An actuator device is provided having a controllable stiffness profile, wherein an actuator member (12) comprises an electroactive polymer material (16) having light absorbing filler elements (20) embedded therein. The filler elements ar...
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WO/2018/089781A1 |
The electrical system of a Wave Energy Converter is built into a unitary Printed Circuit Board, thereby vastly simplifying the assembly process, reducing cost, and improving reliability. The unitary Printed Circuit Board integrates power...
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WO/2018/087333A1 |
The invention relates to a piezoelectric drive (1), in particular for permanently protected use in a moist environment, comprising a housing (2) having a chamber (3), which chamber is hermetically sealed by at least one elastic membrane ...
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WO/2018/088708A1 |
A flexible tactile actuator, according to one embodiment of the present invention, may comprise: a tactile transfer unit that is bendable and includes magnetic particles, which can be polarized through a reaction to an external magnetic ...
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WO/2018/084054A1 |
The present invention provides a power generator capable of stable power generation. A power generator (1) is provided with an electrically conductive thread (100) that has a core material (101) having electrical conductivity, and a piez...
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WO/2018/077754A1 |
The invention relates to a device (11) for producing an atmospheric pressure plasma, comprising a piezoelectric transformer (1) and a first supporting element (22) on which the piezoelectric transformer (1) rests in a position in which a...
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WO/2018/077751A1 |
The invention relates to a micromechanical component having a movable part (12) which is held movably about at least one axis of rotation (18) on a holder (10) between a first spring (16a) and a second spring (16b), at least one first pi...
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WO/2018/077721A1 |
A positioning feature (44) comprises a first member (46) so that in an embodiment where the pins of a connector (38) are perpendicular to a main axis (X1), an incorrect angular orientation is prevented by said positioning feature (44) th...
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WO/2018/081439A1 |
A transducer comprising a transducer element including a plate with a through-hole and a collar projecting from the plate and defining an interior cavity in communication with the through-hole. A piezoelectric bender includes at least fi...
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WO/2018/079741A1 |
Provided are: a structure having an oriented piezoelectric polymer arranged into a cylindrical or columnar shape, wherein the oriented angle of the oriented piezoelectric polymer is 15-75° with respect to the center axis of the structur...
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WO/2018/081324A1 |
Compact and power efficient acoustically actuated magnetoelectric antennas for transmitting and receiving very low frequency (VLF) electromagnetic waves utilize magnetoelectric coupling in a magnetic/piezoelectric heterostructure to prov...
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WO/2018/079739A1 |
Provided are: a structure having an oriented piezoelectric polymer arranged into a cylindrical or columnar shape, wherein the oriented angle of the oriented piezoelectric polymer is 0-40° or 50-90° with respect to the center axis direc...
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WO/2018/073521A1 |
The invention relates to a generator (100) for transforming a rotational motion of a rotary member (30) on a main axis into an accumulation of electric charge at the terminals of two electrodes, comprising: • a support (1); • an elec...
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WO/2018/075682A1 |
Aspects of this disclosure relate to an elastic wave device. The elastic wave device includes a sub-wavelength thick piezoelectric layer, an interdigital transducer electrode on the piezoelectric layer, and a high velocity layer with a h...
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WO/2018/068792A1 |
Disclosed is an ultrasonic motor comprising: an ultrasonic actuator (1) in the form of a rectangular plate (2), consisting of piezoelectric material, with two main faces, two lateral faces, two end faces and at least one frictional eleme...
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WO/2018/068147A1 |
A downhole acoustic transmitter has a piezoelectric transducer, an enclosure in which the piezoelectric transducer is housed, a transducer preload means which applies a selected compressive force against the transducer such that a mechan...
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WO/2018/070483A1 |
Provided are: a piezoelectric device which can exhibit high power generation performance without compromising flexibility; and a method for producing the same. The piezoelectric device comprises a laminate 1 in which a polymer nonwoven f...
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WO/2018/069680A1 |
A film (1) comprising a piezoelectric polymer (2) has an upper surface and a lower surface. The film has an active region comprising the piezoelectric polymer (2), which extends from the upper surface of the film to the lower surface of ...
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WO/2018/064722A1 |
A contact sensor comprising a first conductive layer; a sensing layer comprising a piezoelectric material, and a second conductive layer. An embodiment includes piezoelectric material that is lead free and selected from: (Bi,Na)TiO3; (Ba...
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WO/2018/067183A1 |
Certain embodiments of the disclosed technology include an energy harvesting system. The energy harvesting includes a MAT that includes a substrate, at least one connector having at least two conductors, and a plurality of active regions...
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WO/2018/065854A1 |
Floor tile (100) comprising a plurality of piezoelectric stacks (1), each of the stacks being made by overlapping a plurality of piezoelectric elements (2) and a first plurality of elastic insulating spacers (3) interposed between each p...
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WO/2018/065232A1 |
An actuator device comprises an active matrix array of rows and columns of electroactive polymer actuators, each electroactive polymer actuator having a switching circuit. The switching circuit has a drive transistor and a capacitor arra...
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WO/2018/061496A1 |
Provided is a piezoelectric power generation device in which peeling and breakage of a piezoelectric element when driven does not readily occur. A piezoelectric power generation device 1 is provided with a support 2 and a piezoelectric e...
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WO/2018/063297A1 |
An integrated circuit film bulk acoustic resonator (FBAR) device having multiple resonator thicknesses is formed on a common substrate in a stacked configuration. In an embodiment, a seed layer is deposited on a substrate, and one or mor...
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WO/2018/063286A1 |
An apparatus is provided which comprises: a ferromagnetic (FM) region with magnetostrictive (MS) property; a piezo-electric (PZe) region adjacent to the FM region; and a magnetoelectric region adjacent to the FM region. An apparatus is p...
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WO/2018/061805A1 |
A piezoelectric type microphone is provided with: a plate (10a); a support portion (10b) disposed around the plate (10a); a link portion (10c) connecting the plate (10a) and the support portion (10b) via two or more sides of the plate (1...
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WO/2018/061320A1 |
Provided is a highly reliable piezoelectric sounding component. The present invention is provided with: a diaphragm which has a metal plate and a piezoelectric body formed on the metal plate, and which bends and vibrates when a voltage i...
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WO/2018/063683A1 |
Embodiments of the invention include a physiological sensor system. According to an embodiment the sensor system may include a package substrate, a plurality of sensors formed on the substrate, a second electrical component, and an encry...
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WO/2018/062253A1 |
Provided is a film which has high relative dielectric constant, high volume resistivity and high dielectric breakdown strength. This film is characterized in that: the relative dielectric constant thereof at a frequency of 1 kHz at 30°C...
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WO/2018/061319A1 |
Provided is a highly reliable piezoelectric sound generating component. This piezoelectric sound generating component is provided with: a vibrating plate, which has a metal plate and a piezoelectric body formed on the metal plate, and wh...
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WO/2018/062057A1 |
This piezoelectric substrate attachment structure comprises: a pressing portion which is pressed by being contacted; a piezoelectric substrate provided adjacent to the pressing portion; and a base portion provided adjacent to the piezoel...
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WO/2018/062056A1 |
The present invention has: a cable-shaped piezoelectric base material; a pressurization section, which is provided adjacent to the piezoelectric base material, and is to be pressurized from the side opposite to the piezoelectric base mat...
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WO/2018/063358A1 |
Methods and devices are described that use highly crystalline III-Nitride materials to improve the performance of a film bulk acoustic resonator (FBAR). The III-Nitride materials can be epitaxially grown on a substrate having an appropri...
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