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Matches 201 - 250 out of 52,054

Document Document Title
WO/2019/054337A1
Provided is a method for inspecting a piezoelectric element in which voltage is applied to a piezoelectric element (10) and evaluation of the electrical characteristics of the piezoelectric element (10) is performed. The method includes ...  
WO/2019/048737A1
The invention relates to a temperature-compensated microelectromechanical oscillator and a method of fabricating thereof. The oscillator comprises a resonator element comprising highly doped silicon and an actuator for exciting the reson...  
WO/2019/049375A1
Provided are a control apparatus having a simple configuration, an electronic device, and a control method of the electronic device. The control apparatus controls the electronic device which includes: a top panel which includes an opera...  
WO/2019/042977A1
An actuator device has a temperature sensing means (58) and a controller (66) adapted to apply a high frequency AC signal to stimulate internal self-heating to thereby maintain a temperature of an actuator member (50) of the device at a ...  
WO/2019/046777A2
A relaxor-PT based piezoelectric crystal is disclosed, comprising the general formula of (Pb1-1.5xMx){[(MI,MII)1-z(MI',MII')z]1-yTiy}O3, wherein: M is a rare earth cation; MI is selected from the group consisting of Mg2+, Zn2+, Yb3+, Sc3...  
WO/2018/183495A9
The present disclosure relates to methods of manufacture of piezoelectric ceramic transducers useable, for example, in an ultrasound probe, using a poling process. The poling is accomplished without contacting transducer elements and by ...  
WO/2019/042580A1
The invention relates to a micromechanical structure comprising a substrate (1), an adhesion layer (3) which is applied onto the substrate (1); a first metal layer (4) which is applied onto the adhesion layer (3); a ferroelectric layer (...  
WO/2019/044697A1
This sensor element has a piezoelectric body and a plurality of electrodes when viewed in a plan view. The piezoelectric body comprises a base part and at least one arm part that extends from the base part. The plurality of electrodes ar...  
WO/2019/045925A1
A laser therapy apparatus can include a printed circuit board (112, 450, 460, or 500), a power supply (120), a controller (118), and a plurality of light sources (114) electrically coupled to the printed circuit board and powered by the ...  
WO/2019/042586A1
The invention relates to an arrangement for a print head, comprising a support body for fixing the arrangement to the print head, an actuator device having a main body attached to the support body, the actuator device additionally compri...  
WO/2019/042585A1
Actuator device with a plunger comprising a main body and a plunger, wherein the main body comprises a base body and a cover element, wherein the base body comprises a bottom wall and a circumferential wall which together form a vessel w...  
WO/2019/044696A1
According to the present invention, a pair of mounting arms in an angular velocity sensor are space apart from each other in the x-axis direction of an xyz-orthogonal coordinate system. A frame comprises: a main part which extends along ...  
WO/2019/045630A1
An electromechanical stator (2) comprises an actuator section (20), a support section (40) and a spring section (60). A continuous sheet of elastic material (5) constitutes at least a part of each of these sections. The actuator section ...  
WO/2019/040934A1
Self-aligning liquid crystal copolymers comprising two mesogenic repeating units are disclosed. The copolymers can exhibit piezoelectric and flexoelectric properties.  
WO/2019/039474A1
[Problem] To provide a microstructure that can securely join, onto a support substrate comprising mullite, a piezoelectric material layer comprising lithium niobate and/or lithium tantalate. [Solution] Provided is a joined body 1 compris...  
WO/2019/039475A1
[Problem] To provide a microstructure that can securely join, onto a support substrate comprising a SiAlON, a piezoelectric material layer comprising lithium niobate and/or lithium tantalate. [Solution] Provided is a microstructure that ...  
WO/2019/038952A1
Provided is a pressure sensor with which it is possible, without forming a physical switch, to detect a pressing operation received at a location other than the front surface of a touch panel. The pressure sensor is provided with: a piez...  
WO/2019/035757A1
An ultrasonic electromechanical stator (10) comprises two vibration bodies (20), a link member (30) connecting the two vibration bodies along a connection direction (X) and a stator support. Each of the vibration bodies comprises a respe...  
WO/2019/035578A1
The present invention relates to a piezoelectric ceramic device to which an internal electrode is applied, and a manufacturing method therefor, wherein the ceramic device manufacturing method comprising the steps of: coating glass on the...  
WO/2019/031126A1
Provided is a method for producing a piezoelectric single crystal ingot which shows small variation in the concentration of PbTiO3 in the growth direction of single crystal. A complete solid solution-type piezoelectric single crystal ing...  
WO/2019/032232A1
In accordance with an aspect of the present disclosure, an ultrasonic system has an ultrasonic stack excited by an ultrasonic power supply. A phase of an output voltage of the ultrasonic power supply is controlled to match a phase of the...  
WO/2019/032750A1
Described examples include a piezoelectric sensor (10) with: (a) a capacitive element (30) including piezoelectric material; (b) a preconditioning circuit (20), including circuitry for establishing a polarization of the capacitive elemen...  
WO/2019/028488A1
The invention relates to a piezoelectric device having at least one piezoelectric element (2), which has a support plane (4) oriented to a force introduction element (3), wherein in the event of a thermal loading of the piezoelectric dev...  
WO/2019/031836A1
One embodiment of the present invention relates to an information output device including one or more information output units, wherein the information output unit comprises: a coil part arranged to be connected to a power supply such th...  
WO/2019/029975A1
The present invention relates to compositions obtained by mixing specific electroactive fluoro-terpolymers and specific electroactive fluorinated copolymers. The invention also concerns liquid formulations (inks) that can be used through...  
WO/2019/032790A1
A wire handling tool includes a frame, a first actuator having a proximal end attached to the frame and a first distal end including a first grasping member for grasping a wire. The first distal end is configured to move along a first ax...  
WO/2019/031632A1
The present invention relates to a piezoelectric actuator comprising: a fixing part; leg parts arranged in four directions with reference to the fixing part; and a tip part fastened to the end of each of the leg parts, wherein each of th...  
WO/2019/027268A1
The present invention relates to: a piezoelectric material column characterized in that the sintering density at one end portion of a sintered piezoelectric material column is higher than the sintering density at the other end portion th...  
WO/2018/236767A3
Embodiments relate to functional test methods useful for fabricating products containing Light Emitting Diode (LED) structures. In particular, LED arrays are functionally tested by injecting current via a displacement current coupling de...  
WO/2019/027412A1
Various embodiments described herein provide for energy harvesting using one or more of electromagnetic, piezoelectric, and electrostatic transduction mechanisms to convert movement or vibration into electric energy. Some embodiments may...  
WO/2019/026960A1
This piezoelectric material is lead-free, contains a perovskite-type metal oxide comprising Na, Nb, Ba, Ti, and Mg, and exhibits good piezoelectric properties. When the proportions by number of Na atoms, Nb atoms, Ba atoms, Ti atoms, and...  
WO/2019/026964A1
Provided is a non-lead piezoelectric material which includes sodium niobate as a main component, and achieves both excellent piezoelectric constant and Curie temperature. The piezoelectric material comprises an oxide including Na, Ba, Nb...  
WO/2019/027305A1
The present invention relates to a method for manufacturing an ultrasonic fingerprint sensor by using a nanorod structure, the method comprising: a conductive mold generating step of etching a conductive substrate so as to generate a plu...  
WO/2019/026941A1
Provided is a non-lead-type piezoelectric material in which the dissipation factor is minimized and both a favorable piezoelectric constant and a favorable mechanical quality factor are obtained. This piezoelectric material is characteri...  
WO/2019/020265A1
The invention relates to a hard lead-zirconate-titanate (PZT) ceramic of general structure ABO3, which has A areas and B areas, wherein the PZT ceramic has a doping on the B areas with Mn and Nb with the ratio Nb/Mn < 2. The invention al...  
WO/2019/020804A1
Movement amplifying actuation device (100) comprising at least two piezoelectric beams (101, 102, 103), one beam (101) being attached at a fixed point (111), and at least one hinge (131, 132) connecting a first beam (101, 102) and a seco...  
WO/2019/022352A1
The present invention relates to a pressure sensor, and a pressure sensor matrix array including the same and a manufacturing method therefor, the pressure sensor comprising: a first electrode; a conduction layer positioned on the first ...  
WO/2019/023305A1
An example integrated circuit package (300) includes a bulk acoustic wave (BAW) resonator (302) including a phononic crystal acoustic mirror (PCAM) (304). The PCAM (304) includes a first arrangement of first members (306) in a first regi...  
WO/2019/023523A1
An operating point for control of an acoustic transducer can drift during operation and be compensated. A model for the transducer and/or environment frequency response is provided and used to compensate feedback from the transducer to d...  
WO/2019/023552A1
Described herein is a ruggedized microelectromechanical ("MEMS") force sensor. The sensor employs piezoresistive or piezoelectric sensing elements for force sensing where the force is converted to strain and converted to electrical signa...  
WO/2019/021583A1
A transducer 1 relating to one embodiment of the present invention is provided with: a housing 2 that forms an acoustic space X; and a sheet-like piezoelectric element 3, which is disposed in the acoustic space X, and which has a porous ...  
WO/2019/021856A1
An electronic apparatus (1) is provided with a main body (2), a stress sensor (5), and a detection unit (41). The main body (2) has flexibility. The stress sensor (5) has a piezoelectric film (53) that deforms due to stress that is gener...  
WO/2019/017078A1
Provided is a load sensor 10 having a polymer element 121 in which electrode layers 123A, 123B are provided on both surfaces of a polymer layer 122, and which deforms in response to the application of a load and outputs a signal correspo...  
WO/2019/017277A1
This vibration type angular velocity sensor for detecting an angular velocity is provided with: a substrate (10); drive beams (42) that are supported via support members (43) at a fixing portion (20) formed on the substrate; drive weight...  
WO/2019/018328A1
A system, comprising: (i) an interposer layer; (ii) a circuit layer positioned on the interposer layer and comprising a plurality of sonically-enabled pads; and (iii) an interrogator layer positioned on the circuit layer and comprising a...  
WO/2019/016568A1
A driver circuit for receiving a voltage supply at a supply input and driving a load through a load output, the circuit comprising: a charge inductor and a discharge inductor; a switching array comprising a plurality of switches; and a l...  
WO/2019/018181A1
An ultrasonic system has a piezoelectric powered ultrasonic stack having a piezoelectric ultrasonic converter excited by an ultrasonic power supply. A control loop feedback controller determines in real time a true amplitude of mechanica...  
WO/2019/016453A1
The invention relates to a method for manufacturing a polymer film, comprising, sequentially: a step of depositing a composition comprising a fluoropolymer on a substrate to form a fluoropolymer layer; a step of treating a portion of the...  
WO/2019/018641A1
Described herein is a ruggedized microelectromechanical ("MEMS") force sensor including a sensor die and a strain transfer layer. The MEMS force sensor employs piezoresistive or piezoelectric strain gauges for strain sensing where the st...  
WO/2019/016362A1
The disclosed actuator structure (40) comprises an active layer structure (44) including an electroactive material (48) which exhibits an intrinsic variation in actuation displacement as a function of temperature, and passive compensatio...  

Matches 201 - 250 out of 52,054