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Matches 1 - 50 out of 51,981

Document Document Title
WO/2019/215669A1
A micro-valve includes an orifice plate including an orifice. The micro- valve further includes an actuating beam having a first end and a second end. The actuating beam also includes a base layer and a layer of piezoelectric material di...  
WO/2019/215436A1
The present invention relates to an electrical element comprising a multilayer thin film ceramic member which is a dielectric exhibiting piezoelectric/electrostrictive properties which make it suitable for use in microelectromechanical s...  
WO/2019/216111A1
A vibration transmission device 1 for transmitting the vibration of an actuator 2 arranged below a tabular diaphragm 3 to the diaphragm via a vibration transmission unit 4. The actuator is provided with a flat plate part 21, a foot part ...  
WO/2019/215671A2
A method of constructing a micro-valve includes providing a substrate for an actuating beam of the micro-valve, the substrate including a first surface and a second surface. The method also includes forming a plurality of constituent lay...  
WO/2019/210900A1
The invention relates to a microwave resonator magnetic field measuring device (1) for measuring alternating magnetic fields, comprising a base plate (11) having at least one supporting/bearing/clamping point (111), at least one mechanic...  
WO/2019/211755A1
An ultrasound transducer includes a first piezoelectric layer stacked on a second piezoelectric layer to form a stack. The first piezoelectric layer has one major face metallized to form a first array of electrodes and the other major fa...  
WO/2019/212085A1
The present invention relates to a highly stretchable piezoresistive wire sensor and a manufacturing method therefor, wherein the highly stretchable piezoresistive wire sensor is composed of: a conductive core, in which a silicon polymer...  
WO/2019/209638A1
An apparatus of the disclosure is directed to an elongated polygon transducer membrane having a perimeter that includes a plurality of edges and a plurality of vertices. The elongated polygon transducer membrane may be fixed to a support...  
WO/2019/207092A1
The invention relates to a novel electrode, comprising a carrier substrate (5), which has a carrier side (6) and an electrochemically active side (4) having an electrochemically active layer (7); wherein the electrochemically active laye...  
WO/2019/208580A1
This laminate (50) is provided with: an electret film (A); an adhesive layer (B) provided on a part of at least one surface of the electret film (A); and an electrode layer (C) provided on the adhesive layer (B).  
WO/2019/207943A1
Provided is a sensor element which has installation stability, is resistant to disturbance, and has storage durability, even with a configuration in which a pressure balance is achieved by means of a change in the volume of a gas chamber...  
WO/2019/203549A1
A solid electrolyte is provided. The solid electrolyte may comprise a compound in which cations including thiophenium and anions including fluorohydrogenate are bonded.  
WO/2019/197181A1
The invention relates to a dosing system (1) for a dosing material, comprising a nozzle (40), a feed channel (44) for the dosing material, a discharge element (31) and a piezo actuator (61) coupled to the discharge element (31) and/or th...  
WO/2019/198908A1
The present invention relates to a piezoelectric coaxial fiber and a method for manufacturing same, the piezoelectric coaxial fiber comprising: a core electrode formed as a conductive polymer compound; a piezoelectric polymer layer forme...  
WO/2019/197942A1
The proposed energy producing device (200) includes a piezoelectric layer (205), a first electrical contact (210) arranged on a first side of the piezoelectric layer, a second electrical contact (215) arranged on an opposite second side ...  
WO/2019/195910A1
The present invention consists in an assembly for measuring a flow, which comprises a tube made from a material having piezoelectric properties, preferably PVDF, electrodes and, lastly, auxiliary instrumentation, with the aim of amplifyi...  
WO/2019/195867A1
The invention relates to a power inverter circuit (1) which has a power inverter (2) and at least one intermediate circuit (3). In order to achieve a high degree of practicality and energy efficiency, a ceramic component (9) is arranged ...  
WO/2019/195264A1
The present application relates to stacked piezoelectric energy harvesters that include compliant layers between piezoelectric layers. The energy harvesters are useful in various structures and devices, including tissue-stimulating impla...  
WO/2019/193323A1
There is provided an energy harvester for harvesting energy from broadband ambient vibrations comprising: a bi-stable oscillator, a subsidiary oscillator mechanically coupled to the bi-stable oscillator; wherein the bi-stable oscillator ...  
WO/2019/173375A3
Disclosed herein is a composition and a method for energy harvesting and the autonomous detection of structural failure. This method can be used to monitor, for example, the structural integrity of unmanned aircraft systems.  
WO/2019/186265A1
The invention relates to a method for manufacturing a substrate for a radiofrequency filter by assembling a piezoelectric layer on a support substrate via an electrically insulating layer, characterised in that it comprises the steps of:...  
WO/2019/186053A1
The invention relates to a method for manufacturing a substrate (7) for a radiofrequency device by assembling a piezoelectric layer (3) on a support substrate (1) by means of an electrically insulating layer, the piezoelectric layer (3) ...  
WO/2019/186011A1
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 support substrate (2) having a lower coefficient of thermal expansion than the usef...  
WO/2019/188325A1
[Problem] To increase the bond strength between a support substrate comprising a polycrystalline ceramic material or a single crystal material and a piezoelectric single crystal substrate; and to increase the Q value. [Solution] A joint ...  
WO/2019/166805A3
A method for producing an ultrasonic transducer or ultrasonic transducer array, the method comprising providing or depositing a layer of piezoelectric material on a substrate. The piezoelectric material is a doped, co-deposited or alloye...  
WO/2019/191208A1
Disclosed herein integrated plasmonic-ferroelectric materials and methods of making and methods of use thereof. The integrated plasmonic-ferroelectric materials comprise a ferroelectric particle and a plurality of plasmonic particles dis...  
WO/2019/185094A1
The invention firstly relates to a magnetic field sensor assembly (03) for measuring a torque on a machine element (01) extending along an axis, using the inverse magnetostrictive effect. The machine element (01) has at least two magneti...  
WO/2019/191330A1
A dual frequency ultrasonic and sonic actuator with constrained impact mass is presented. According to one aspect, displacement of the impact mass is constrained by cavity to which ultrasonic stress from the tip of a horn is applied. Acc...  
WO/2019/190887A1
The disclosed optical lens assemblies may include a pre-strained deformable element that exhibits a non-uniform mechanical strain or stress profile, a structural support element coupled to the pre-strained deformable element, and a defor...  
WO/2019/186032A1
The invention relates to a method for transferring a piezoelectric layer (3) onto a support substrate (6), comprising: - providing a donor substrate (40) consisting of a heterostructure (4) comprising a piezoelectric substrate (3) bonded...  
WO/2019/181087A1
[Problem] In bonding a piezoelectric material substrate formed of lithium tantalate, etc. to a supporting substrate via a silicon oxide layer, to prevent separation at the interface between silicon oxide constituting the bonding layer an...  
WO/2019/182771A1
A transducer assembly (700) includes: a microelectromechanical systems (MEMS) die (702) including a plurality of piezoelectric elements (720); a complementary metal-oxide-semiconductor (CMOS) die (704) electrically coupled to the MEMS di...  
WO/2019/181977A1
A piezoelectric composition including a composite oxide having a perovskite structure represented by the general formula ABO3, copper, and at least one element selected from the group consisting of chromium, nickel, and zinc, said piezoe...  
WO/2019/180055A1
An actuator device comprises an actuator member (62) which incorporates an electroactive polymer material. A controller (72) controls supply of an actuation signal and a superposed AC signal, which has the effect of inducing heating. The...  
WO/2019/183431A1
An electroactive device may include (1) an electroactive polymer element having a first surface and a second surface opposite the first surface, the electroactive polymer element comprising a nanovoided polymer material, (2) a primary el...  
WO/2019/181656A1
The present invention is a liquid composition for forming a piezoelectric film comprising a metal oxide that contains at least Bi, Na, and Ti. The Na feedstock is an Na alkoxide, and the Ti feedstock is a Ti alkoxide, said composition co...  
WO/2019/181407A1
A piezoelectric element 1 according to the present invention comprises: a shim 10; a first conductive paste 12 which is provided on the shim 10; a piezoelectric body 14 which is provided on the first conductive paste 12; a second conduct...  
WO/2019/182450A1
The disclosed energy harvesting system (100) comprises a bendable metal plate (12) connected to a piezoelectric plate (11). A pocket (HI) is formed at a central part (12c) of the metal plate opposite the piezoelectric plate. A force rece...  
WO/2019/180586A1
The disclosure concerns filled a polymer composite comprising a piezoelectric filler and a polymer resin. The composite may exhibit a piezoelectric coefficient d33 of greater than 30 pC/N when measured according to the Berlincourt Method...  
WO/2019/175385A1
An electroactive material actuator is clamped along one edge (12) and has a pre-bend about a first axis (21) which is parallel to said edge and/or about a second axis which is perpendicular to said edge. The actuator expands with expansi...  
WO/2019/177803A1
An ultrasound transducer with at least one piezoelectric element configured to convert received acoustic signals into an electric potential, a shield connectable to ground and overlying the at least one piezoelectric element through whic...  
WO/2019/175721A1
The present invention relates to the preparation of non-textured polycrystalline piezoceramic exhibiting ultrahigh electrostrain by solid-state sintering. The pseudo-ternary ferroelectric alloy system BiFeO3-PbTiO3-LaFeO3 exhibiting elec...  
WO/2019/175178A1
The present invention relates to a device for producing a non-thermal atmospheric pressure plasma, comprising a piezoelectric transformer (1), a control circuit (11), which is designed to apply an input signal to the piezoelectric transf...  
WO/2019/175236A1
Ferroelectric material comprising a mixed crystal comprising AlN and at least one transition metal nitride. The proportion of the transition metal nitride is chosen such that a direction of an initial or spontaneous polarity of the ferro...  
WO/2019/172064A1
This piezoelectric actuator comprises: a layered body including a plurality of flat electrodes and a plurality of piezoelectric ceramic layers, which have been layered; a low-potential external electrode provided on one of the end faces ...  
WO/2019/170793A1
The invention relates to a method and an actuator system for determining and applying a voltage to a piezoelectric actuator (PEA) to achieve a given setpoint displacement. The method involves determining a relation dcal(V) between a PEA ...  
WO/2019/171650A1
Provided are a piezoelectric body film capable of suppressing a drop in the piezoelectric constant d31, a piezoelectric body film production method, and a piezoelectric body device. This piezoelectric body film includes, as a piezoelectr...  
WO/2019/172738A1
The foot is one of the most complex parts of the body, comprising 26 bones joined by numerous joints, muscles, tendons and ligaments. The foot is prone to suffer a lot of stress, so foot problems can cause pain, inflammation or injuries ...  
WO/2019/171030A1
A method includes determining, for a piezoelectric cantilever-type transducer of a distributed mode loudspeaker adapted to cause vibration of a load, a subset of frequencies from a range of frequencies at which to output vibrations, in w...  
WO/2019/166242A1
The invention relates to a multilayer component (10) with an external contact, comprising a main part (100) with first and second inner electrodes (110, 120) and with an outer contact (200) for externally contacting the inner electrodes ...  

Matches 1 - 50 out of 51,981