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WO/2017/135166A1 |
[Problem] To provide a piezoelectric element that allows piezoelectric characteristics to be advantageously maintained and leak current to be minimized. [Solution] A piezoelectric element (10) in which a lower electrode (12), a piezoelec...
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WO/2017/136277A1 |
A material that includes a polymer foam and at least one polar dopant molecule included in the polymer foam, wherein the material is a piezoelectric.
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WO/2017/135502A1 |
The present invention relates to an infant state information detector, and more specifically, to an infant state information detector which is worn on a diaper in a clip-type, detachable-type way in order to detect the temperature and re...
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WO/2017/136270A1 |
This disclosure provides systems and methods for delivering a neural stimulation pulse. A neural implant device can include an energy harvesting circuit configured to receive an input signal and generate an electrical signal based on the...
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WO/2017/134357A1 |
The invention relates to a hybrid structure (10) for a surface-acoustic-wave device comprising a useful layer (1) of piezoelectric material joined to a carrier substrate (5) having a thermal expansion coefficient lower than that of the u...
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WO/2017/129453A1 |
An actuator device (21) comprises an electroactive polymer (EAP) and a driver (20) for generating a electrical drive signals which give opposite polarity voltages and thus electrical field within the electroactive polymer at different ti...
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WO/2017/130626A1 |
The purpose of the present invention is to provide an electric power generation system that can be prevented from being damaged by suppressing creeping discharge. The electric power generation system 1 is equipped with: a heat source 2 t...
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WO/2017/124718A1 |
Provided are a nano-generator and a manufacturing method therefor. The nano-generator comprises: a positive electrode (11) and a negative electrode (12). The negative electrode (12) is used for forming a nested structure with the positiv...
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WO/2017/126257A1 |
Provided is an electroacoustic transducer that enables reduction in thickness and weight of an entire pillow when a speaker is built in the pillow or a headrest, that can be downsized by setting the position of the speaker near a positio...
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WO/2017/126793A1 |
The present invention relates to an ultrasound probe and a method of manufacturing an ultrasound probe. The ultrasound probe comprises: a plurality of piezoelectric bodies for generating ultrasonic waves; and at least one kerf formed at ...
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WO/2017/125203A1 |
The invention relates to a sound transducer arrangement (100; 100a), comprising a carrier device (15) for fastening a plurality of sound transducer elements (10), comprising a housing (11), which forms an interior space (12), for receivi...
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WO/2017/121079A1 |
The present disclosure provides a power generator, its manufacturing method, and an electronic device utilizing the power generator as its power source. The power generator includes a deformation unit and a piezoelectric unit. The deform...
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WO/2017/118032A1 |
A piezoelectric element (100), comprising: a piezoelectric component (101); a first substrate (102) and a second substrate (103) located on both sides of the piezoelectric component (101), respectively; and a first electrode layer (104) ...
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WO/2017/118451A1 |
The invention relates first to an assembly for measuring a force and/or a torque on a machine element (01) extending in an axis (03). The machine element (01) has an opening (04), which is at least angled in relation to the axis (03). Th...
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WO/2017/120368A1 |
A system includes a first force sensing transducer being configured to enable force sensing detection of a first force input on a first contact interface, a memory, and a processor that is operatively coupled to the memory and the first ...
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WO/2017/118732A1 |
The invention relates to an electronic circuit (100) for controlling charging of a piezoelectric load (190). The electronic circuit comprises a charge pump (111) configured to supply a charging current to the piezoelectric load dependent...
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WO/2016/122411A9 |
According to embodiments of the present invention, a method of interconnecting nanowires is provided. The method includes providing a plurality of nanowires, providing a plurality of nanoparticles, and fusing the plurality of nanoparticl...
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WO/2017/115118A1 |
In some embodiments, the present invention is directed to an actuator which includes at least the following: a pre-stretched electro-active polymer film being pre-stretched in a single or biaxial planar directions; at least one first sem...
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WO/2017/115860A1 |
Provided is a configuration capable of improving the signal strength of a piezoelectric element using piezoelectric fibers. This braided piezoelectric element comprises a core comprising conductive fibers and a sheath comprising braided ...
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WO/2017/114741A1 |
The invention relates to a high temperature piezoelectric BiScO3-PbTiO3 ceramic material of formula Bi1-x+2yPbx-3ySc1-xTixO3, wherein x ranges from 0.64 to 0.68 and y ranges from 0.01 to 0,025, which includes a point defect engineering f...
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WO/2017/114978A1 |
The present disclosure relates to a piezoresistive ink composition for sensors production. This ink, change linearly their electrical resistivity with an applied deformation and can easily recover when the external applied stress is rele...
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WO/2017/109096A1 |
The invention relates to a high temperature piezoelectric BiSc03-PbTi03 ceramic material of formula Bio.36Pbo.64Sco.36-xMnxTio.6403, wherein x ranges from 0.02 to 0.05, which includes a point defect engineering for strongly reduced diele...
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WO/2017/110694A1 |
Provided is a rotation device comprising a first piezoelectric element 20 that deforms a first elastic deformation part 12 of a folded elastic deformation part , and a second piezoelectric element 21 that deforms a second elastic deforma...
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WO/2017/108489A1 |
An active matrix array of electroactive polymer actuators (36) is provided, each electroactive polymer actuator (36) having a switching arrangement (34). The switching arrangement comprises an input which is connected to a respective dat...
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WO/2017/112657A1 |
Roughly described, a field effect transistor has a first piezoelectric layer supporting a channel, a second piezoelectric layer over the first piezoelectric layer, a dielectric layer having a plurality of dielectric segments separated by...
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WO/2017/108443A1 |
An active matrix array of electroactive polymer actuators is provided, each electroactive polymer actuator having a switching arrangement. The switching arrangement comprises a first circuit (90) connected to a first terminal of the elec...
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WO/2017/111108A1 |
A piezoelectric substrate provided with an elongated conductor and an elongated first piezoelectric body unidirectionally wound around the conductor in a spiral shape. The first piezoelectric body contains an optically active helical chi...
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WO/2017/108994A1 |
The invention relates to a method for the production of a single-crystal film (10), characterised in that it comprises the following successive steps: the provision of a donor substrate (100) comprising a piezoelectric material of compos...
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WO/2017/109005A1 |
The invention relates to a method for manufacturing a monocrystalline piezoelectric material layer (10). Said method is characterized in that it includes: providing a donor substrate (100) made of said piezoelectric material, providing a...
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WO/2017/108385A1 |
The invention relates to a multilayer actuator (10), comprising a plurality of electrode layers (12, 13) having alternating polarity which are arranged one above the other in the direction of a longitudinal axis (11), and comprising diel...
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WO/2017/111161A1 |
Provided are a power generation material with which it is possible to obtain exceptional power generation efficiency, a power generation element comprising the power generation material, and a power generation system obtained using the p...
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WO/2017/111090A1 |
Provided is a piezoelectric thin film having a large d31 and g31. A piezoelectric thin film 3 is superposed on a single-crystal substrate 1. The piezoelectric thin film 3 includes a crystalline oxide represented by chemical formula 1. On...
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WO/2017/109000A1 |
The invention relates to a substrate (1) for a surface acoustic wave device or a volume acoustic wave device, comprising a support substrate (11) and a piezoelectric layer (10) on said support substrate, characterised in that the support...
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WO/2017/111376A1 |
Provided in the present invention are a complex device and an electronic device comprising same, the complex device comprising: a frame provided with a specific space therein; a vibrating member, provided inside the frame, for generating...
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WO/2017/110666A1 |
An array speaker device (1A) is provided with vibrators (20) arranged on one surface of a substrate having a uniform thickness, the vibrators (20) being constituted by a base layer (11), a first electrode layer (12), a piezoelectric elem...
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WO/2017/104530A1 |
Provided is a piezoelectric power generation device which has high power generation efficiency, for which it is possible to know the compression end time, and for which a piezoelectric body is not easily damaged. This piezoelectric power...
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WO/2017/102919A1 |
The invention relates to a method for preparing a sol-gel solution which can be used for preparing a barium titanate ceramic doped with hafnium and/or with at least one lanthanide element, including the following steps: a) a step of plac...
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WO/2017/106743A1 |
Energy -efficient, modularized systems and method for local uncertainty quantification and outcome prediction in mobile devices are disclosed. For example, an exemplary system implementing the disclosed technology includes a mobile devic...
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WO/2017/100255A1 |
A wafer-level chip-scale package includes a body, a conductive via passing through the body, a contact bump formed at a lower portion of the body and in electrical connection with a lower end of the conductive via, a piezoelectric substr...
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WO/2017/099458A1 |
A vibration piezoelectric sensor and a device for checking a motor operating state by using the same are provided. The device for checking an operating state of a motor, according to the present invention, comprises: a main body; a vibra...
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WO/2017/094520A1 |
Provided is a bimorph piezoelectric element, with which the directions of the polarization axes of adjacent piezoelectric layers can be controlled with high precision. This piezoelectric element 1 comprises: a first piezoelectric layer 4...
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WO/2017/092883A1 |
The piezoelectric generator system (100) comprises at least one piezoelectric generator unit (650) comprising an array (400) of piezoelectric modules (Mji,i) each including a piezoelectric element (Eji,i) and a AC/DC converter (Cji,i). T...
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WO/2017/093145A1 |
The present invention pertains to a fluoropolymer composition comprising a copolymer of vinylidene fluoride (VDF) and trifluoroethylene (TrFE), to a process for the manufacture of said fluoropolymer composition and to uses of said fluoro...
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WO/2017/093823A1 |
A method of fabricating a microelectronic device comprising providing a substrate comprising a first bottom surface, providing a mold comprising a first top surface with first projections, and punching the first projections through the f...
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WO/2017/091782A1 |
Intercalation pastes for use with semiconductor devices are disclosed. The pastes contain precious metal particles, intercalating particles, and an organic vehicle and can be used to improve the material properties of metal particle laye...
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WO/2017/089107A1 |
The invention relates to an electrical component with improved heat dissipation, comprising a chip (CH) having an element (BES) that produces heat loss, with a radiation layer (ASS) applied to the chip, which layer is in thermal contact ...
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WO/2017/090445A1 |
This piezoelectric element (27) comprises: a piezoelectric thin film (25); and a lower electrode (24) and an upper electrode (26), between which the piezoelectric thin film (25) is sandwiched. The piezoelectric thin film (25) has at leas...
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WO/2017/085055A1 |
The invention relates to a piezoelectric transformer (1) comprising an input section (2) and an output section (3); the input section (2) is designed to convert an alternating voltage applied thereto into a mechanical vibration, and the ...
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WO/2017/085425A1 |
Electrical generator comprising a superposition including: two electrode layers (1, 3); a layer (2) of piezoelectric material of thickness comprised between 10 and 60 microns, said layer being interposed between the two electrode layers ...
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WO/2017/085924A1 |
[Problem] To provide a piezoelectric film having high piezoelectric performance even when being driven at a low voltage, and a piezoelectric element and liquid delivery head equipped with the piezoelectric film. [Solution] A piezoelectri...
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