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WO/2012/014640 |
Provided is a vibration wave motor including: a vibration member (100) having an elastic body (102) joined with a electric -mechanical energy converter (105); and a moving member (101) contacting the vibration member, the vibration membe...
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WO/2012/014791 |
Disclosed is a method for manufacturing an elastic wave device, said method enabling the manufacture of an elastic wave device having excellent properties and provided with an IDT electrode of which at least part is positioned in a groov...
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WO/2012/013956 |
The present invention relates to a ceramic comprising (or consisting essentially of) a solid solution containing Bi, K, Ti and Fe (and optionally Pb) which exhibits piezoelectric behaviour.
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WO/2012/013788 |
A piezoelectric multilayer actuator (100) is specified comprising a stack (1) of piezoelectric layers arranged one above another and first electrode layers (2) and second electrode layers (3) arranged alternately one above another betwee...
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WO/2012/011797 |
The present invention provides an piezoelectric based energy harvester apparatus [20] consisting of a specially designed mechanical structure, hollow cylindrical structure [30] with a piezoelectric cantilever bridge [34] within its chamb...
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WO/2012/011302 |
[Problem] To provide a laminated piezoelectric element wherein generation of electric discharge from the surface of a ceramic coat layer due to generation of cracks in a ceramic coat layer portion facing an inner electrode layer end port...
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WO/2012/012696 |
A method and apparatus for packaging surface acoustic wave transponders for use in down-hole or other extreme environmental applications is provided. An exemplary ID tag transponder may include a surface acoustic wave (SAW) piezoelectric...
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WO/2012/011517 |
A surface acoustic wave atomizer (1) provided with a substrate (2) produced from a piezoelectric material, a pair of comb-shaped electrodes (21) for generating a surface acoustic wave, and a liquid supply unit (3) for supplying liquid (4...
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WO/2012/011257 |
Multiple piezoelectric vibrators (111-113) in a vibration device (100) are supported by a vibrator support mechanism (120) and individually output highly directional sound waves. The piezoelectric vibrators (111-113) are formed by dividi...
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WO/2012/009379 |
Adjustable mounts for optical elements or the like that may include absolute position information feedback. For some embodiments, position data may be generated independent of displacement measurement. Position data feedback may be provi...
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WO/2012/004250 |
The invention relates to a method for producing a piezoelectric material structure, comprising: a) producing a stack comprising at least one metal layer (22) and at least one conductive layer (26) on a substrate (20) made of a piezoelect...
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WO/2012/003529 |
Disclosed is a piezo-electrically actuated micro-mechanical deformable member comprising a corrugated longitudinal beam (521) formed in a substrate, and having a first anchored end (502) and a second end (509), as well as a plurality of ...
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WO/2012/006573 |
Provided are various embodiments of an adjustment circuit, having a base layer and a piezoelectric layer juxtaposed relative to the base layer and including a first electrode such that when the piezoelectric layer is stressed a polarizat...
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WO/2012/005032 |
A piezoelectric film element comprising a substrate and a piezoelectric film formed on the substrate, wherein the piezoelectric film has a perovskite structure of an alkali niobium oxide compound represented by the general formula: (K1-x...
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WO/2012/002880 |
Measuring device for diagnosis of a piezoelectric injector means in a fuel injection system, which measuring device comprises a signal generator adapted to generating a measurement signal in the form of an AC voltage with a varying frequ...
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WO/2012/001942 |
Disclosed are: an angular velocity sensor which comprises a perovskite complex oxide (NaxBiy)TiO0.5x+1.5y+2-BaTiO3 layer and is capable of determining an accurate angular velocity; an inkjet head which is capable of ejecting an accurate ...
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WO/2012/002965 |
A piezoelectric actuator is formed by forming first and second electrodes on a substrate, and depositing a material on the substrate and between side surfaces of adjacent first and second electrodes to form a thin film sheet within which...
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WO/2012/000752 |
The invention relates to a lead-free, multi-phase piezoceramic material, comprising at least one perovskite phase having the perovskite phase composition (LixK1-x-yNay) (Nb1-t-uTatSbu) O3 and at least one tungsten bronze phase having the...
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WO/2012/002588 |
The present invention relates to an electroactive-polymer actuator and to a method for manufacturing same, and particularly, to an electroactive-polymer flexible body having an intelligent structure capable of continuous 3-dimensional mo...
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WO/2012/001954 |
Provided is a oscillation device comprising: a piezoelectric vibrator (110) which has electrode layers (112, 113) formed therein on the front surface and the rear surface of a piezoelectric layer (111); a vibration member (120) which has...
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WO/2011/163530 |
Rotary motion devices (10) are provided. In one embodiment, the rotary motion devices (10) may comprise: a mass (12); a circumferential component (14); a plurality of spokes (16) connecting the mass (12) to the circumferential component ...
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WO/2011/160794 |
The invention relates to a piezoresistive force sensor having a substrate, at least one piezoresistive sensor layer formed on the surface of the substrate with hydrocarbon, at least one first electrode applied to the piezoresistive senso...
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WO/2011/160751 |
The invention relates to a high-voltage generator (1), in particular for use as an inference-frequency generator, which comprises at least one piezo column (100), which consists of a number "n" of piezo elements (2), for conversion of me...
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WO/2011/161144 |
The invention relates to a piezo-electric actuator (1), which is used in particular as an actuator for fuel injection valves, comprising an actuator body (3), which has a plurality of ceramic layers (4) and a plurality of electrode layer...
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WO/2011/160835 |
The invention relates to a drive apparatus having at least one microlinear or piezo drive, the actuating element of which moves in steps along a planar trajectory. The movement of the actuating element is converted into a vertical moveme...
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WO/2011/161052 |
The invention relates to an electromechanical converter, comprising at least one dielectric elastomer layer (1), electret layers (2, 3), and electrodes (4, 5), wherein the dielectric elastomer layer (1) is contacted by the at least one e...
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WO/2011/158492 |
Disclosed are: a piezoelectric film which contains a lead-free ferroelectric material and has low dielectric loss and high piezoelectric performance equivalent to that of PZT; and a method for producing the piezoelectric film. Specifical...
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WO/2011/158491 |
Disclosed is a piezoelectric membrane that contains a lead-free ferroelectric material and exhibits low dielectric loss and piezoelectric performance as high as that of PZT. Also disclosed is a method for manufacturing said piezoelectric...
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WO/2011/158155 |
An apparatus (1, 4) for reducing energy consumption in monitoring means of a plurality of piezoelectric components, the apparatus (1, 4) comprises: - a plurality of piezoelectric components (102, 104, 106; 72, 74, 76); - monitoring means...
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WO/2011/158636 |
Disclosed is a composite substrate provided with a piezoelectric substrate, a support substrate made of spinel, and an organic adhesive layer for adhering the piezoelectric substrate and the support substrate, wherein the support substra...
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WO/2011/158490 |
Disclosed is a piezoelectric film which comprises a (001)-oriented NaxLa1-xNiO3-x layer and a (001)-oriented (Na, Bi)TiO3-BaTiO3 layer, wherein x is 0.01-0.1 (inclusive). The NaxLa1-xNiO3-x layer (0.01 ≤ x ≤ 0.1) and the (Na, Bi)TiO3...
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WO/2011/155632 |
A piezoelectric material containing a barium bismuth calcium niobate-based tungsten bronze structure metal oxide having a high degree of orientation is provided. A piezoelectric element, a liquid discharge head, an ultrasonic motor, and ...
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WO/2011/154352 |
The invention describes a method for producing a piezo actuator (100) with a piezo stack (1) and two outer electrodes (2, 3) arranged on the outside of the piezo stack (1). The method according to the invention comprises the following st...
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WO/2011/154930 |
A system for controlling electrical appliances comprises a) a touch plate having an inner surface and an outer surface, which is accessible to a user; b) a piezoelectric module coupled with said inner surface of said touch plate and suit...
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WO/2011/155440 |
Disclosed is an inkjet-type coating applicator which is provided with a head (1) that has: a liquid chamber (2) having a solution stored therein; a nozzle hole (3), from which the solution is ejected below the liquid chamber (2); and a p...
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WO/2011/155544 |
The vibration of a mounting table caused by equipment mounted on the mounting table being moved is suppressed. A vibration suppression device (10) is provided with a fixing member (14). The fixing member (14) is affixed to a mounting tab...
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WO/2011/155633 |
A piezoelectric material including a strontium calcium sodium niobate-based tungsten bronze structure metal oxide having a high degree of orientation is provided. A piezoelectric element, a liquid discharge head, an ultrasonic motor, and...
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WO/2011/154348 |
A piezoelectric multilayer component (1) is specified, wherein at least one external electrode (6, 6a, 6b) is fixed to a stack (2) composed of piezoelectric layers (3) and electrode layers (4) arranged therebetween, wherein at least one ...
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WO/2011/155634 |
A piezoelectric material including a barium bismuth niobate-based tungsten bronze structure metal oxide having a high degree of orientation is provided. A piezoelectric element, a liquid discharge head, an ultrasonic motor, and a dust cl...
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WO/2011/151679 |
Energy harvesting elements or membranes are provided that use a layer of electrodes with a mixture of carbon nanotubes (CNT). The energy harvesting device of this type can be used as in sensor-based system in which on application of a be...
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WO/2011/151642 |
A driver circuit (1) for driving a capacitive load (2) with a drive pulse having a rise time, a predetermined voltage period and a fall time. The driver circuit (1 ) includes an inductance (6), switches (10, 11, 12), and a transformer (8...
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WO/2011/147467 |
An electromechanical rotating actuator arrangement (10) comprises a stator (20), a rotor (30), a guide arrangement (50) and an object (40) to be moved. The stator (20) has electromechanically active actuators (22), exhibiting shape chang...
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WO/2011/147946 |
The invention relates to a method for producing an MSM actuator element, having a crystal orientation along a first crystal axis, from a monocrystalline MSM body by introducing a molten alloying material into a molding shell and subseque...
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WO/2011/147854 |
The invention relates to a process for producing a structured shaped body or a layer of this type from a precursor for an oxide or mixed oxide of one or more metals selected from among magnesium, strontium, barium, aluminum, gallium, ind...
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WO/2011/148705 |
Provided is an acoustic wave device capable of suppressing deterioration of frequency characteristics without roughening the rear face of a piezoelectric substrate. A structure (20) is bonded to a face (mating surface) (12b), of a piezoe...
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WO/2011/148969 |
Disclosed is a method for manufacturing a piezoelectric element, which has: a step wherein a green sheet (A) including a portion to be a fired piezoelectric body later is manufactured using a piezoelectric material; a step wherein, a gre...
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WO/2011/148369 |
A stack of piezoelectric elements, in the form of an elongated rod divided in to segments, for generating electric energy in response to compressive stress is provided comprising: piezoelectric elements stacked one on top of the other su...
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WO/2011/146020 |
The present invention discloses a method of preparing a lead-free piezoelectric thin film comprising the steps of: providing a precursor solution comprising at least one alkali metal ion, a polyamino carboxylic acid, and an amine; deposi...
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WO/2011/145453 |
Disclosed is a piezoelectric actuator for which discrimination of orientation is easy, and which is capable of easily measuring electrical properties. The piezoelectric actuator (20) is provided with a piezoelectric substrate (21), first...
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WO/2011/144543 |
A pneumatic transient handler unit (20) for connection to a breathing system and control of pressure therein, comprising: - at least one actuator element (30); - at least one container having a volume with an outlet channel (34); - at le...
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