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Matches 1 - 50 out of 50,676

Document Document Title
WO/2018/162333A1
An actuator comprises an electroactive material disposed in a gap between electrodes. The electroactive material is capable of deforming in response to an electrical stimulus such that the gap narrows towards a minimum electrode spacing....  
WO/2018/164047A1
Provided is a piezoelectric member which is improved in terms of adhesion of a metal electrode to a piezoelectric element. A piezoelectric member 102 is provided with: a piezoelectric element 21; and a pair of electrodes 41, 42 which are...  
WO/2018/159765A1
Provided is an electretized film composed of a cyclic olefin-based polymer, wherein the electretized film is a non-porous film, and has a thickness direction piezoelectric constant d33 of 100 pC/N or greater as measured by applying a pre...  
WO/2018/158206A1
The invention provides a field-driven electroactive material actuator that is driven by an actuation voltage. A driver is adapted to drive the actuation voltage from a first voltage level to a second voltage level, wherein the second vol...  
WO/2018/159772A1
Provided is a method of manufacturing a piezoelectric element in which, at a time when the piezoelectric element is manufactured, a piezoelectric material is prevented from being exposed to a temperature higher than a Curie temperature t...  
WO/2018/158625A1
A thermoelectric battery charger is able to absorb and utilize waste heat and convert it into electrical energy by thermoelectricity and thermal power using a special economizer, in such a way that electrical energy can be stored in ener...  
WO/2018/156079A1
According to various embodiments, there is provided an ultrasonic transducer including: a first electrode; a second electrode; and a plurality of piezoelectric nanostructures, each piezoelectric nanostructure having a first end coupled t...  
WO/2018/154139A1
There is presented an optical element (100, 500, 600, 700) comprising a support structure (101, 501) with a sidewall (112, 512), a bendable cover member (102, 502, 702) attached to the sidewall (112, 512), one or more piezoelectric actua...  
WO/2018/156334A1
Bending mode transducers are provided including a substrate made of a high density material, the substrate having a first surface and a second surface, opposite the first surface. A piezoelectric layer is provided on the first surface of...  
WO/2018/155276A1
This sensor comprises: a lower electrode layer that faces a cavity; a piezoelectric layer that is positioned on the lower electrode layer; and an upper electrode layer that is positioned on the piezoelectric layer. The piezoelectric laye...  
WO/2018/153705A1
An electroactive material actuator and sensor is actuated with an actuation signal having an activation period for charging the actuator and a de-activation period for discharging the actuator. A parallel resistance of the actuator is de...  
WO/2018/157050A1
Processes for fabricating capacitive micromachined ultrasonic transducers (CMUTs) are described, as are CMUTs of various doping configurations. An insulating layer separating conductive layers of a CMUT may be formed by forming the layer...  
WO/2018/156345A1
Ultrasonic devices include a transducer having a piezoelectric element therein that may operate as an acoustic signal receiving surface and/or an acoustic signal generating surface. At least one acoustic matching layer is provided on the...  
WO/2018/153708A1
A field-driven electroactive polymer actuator is provided with a current sensor for sensing a current flowing to the actuator. A control circuit is used for driving the actuator which includes a voltage source. The driving of the actuato...  
WO/2018/150844A1
A piezoelectric element is provided with a lower electrode, an upper electrode and a piezoelectric body layer arranged between the lower electrode and the upper electrode. The piezoelectric body layer is composed of (niobium-manganese)-a...  
WO/2018/151547A1
The present invention relates to a biometric information recognition apparatus. The biometric information recognition apparatus according to the present invention may comprise: a piezoelectric sensor array including a plurality of piezoe...  
WO/2018/151440A1
The present invention relates to a haptic feedback button. The present invention comprises: a substrate; a lower electrode provided on an upper portion of the substrate, and formed by patterning a ground electrode and a touch sensing ele...  
WO/2018/151899A1
A β-phase PVDF is prepared through a controllable dehydrofluorination under either a basic or high temperature condition. PVDF is degraded by losing hydrogen fluoride (HF) and either carbon-carbon double bonds form in the molecular back...  
WO/2018/148510A1
Described herein is a ruggedized microelectromechanical ("MEMS") force sensor including both piezoresistive and piezoelectric sensing elements and integrated with complementary metal-oxide-semiconductor ("CMOS") circuitry on the same chi...  
WO/2018/148715A1
A microfluidic-based device and system is disclosed for the high-throughput intracellular delivery of biomolecular cargo to cells (eukaryotic or prokaryotic) or enveloped viruses. Cargo integration occurs due to transient membrane permea...  
WO/2018/145340A1
A shear vibration-based piezoelectric composite material and a preparation method therefor. The piezoelectric composite material comprises piezoelectric materials (1) and a passive material (2); the piezoelectric materials comprise a pie...  
WO/2018/148503A1
Described herein is a ruggedized wafer level microelectromechanical ("MEMS") force sensor including a base and a cap. The MEMS force sensor includes a flexible membrane and a sensing element. The sensing element is electrically connected...  
WO/2018/144866A1
A single die driver integrated circuit is coupled to an input portion having a single inductor receiving a low voltage source and configured to drive a capacitive load with an output voltage. The driver includes a bidirectional synchrono...  
WO/2018/142151A1
The present invention relates to a method for identifying a solid solution ceramic material of a plurality of perovskite compounds which exhibits an electric field induced strain derived from a reversible phase transition, as well as a m...  
WO/2018/142152A1
The present invention relates to a bismuth-based solid solution ceramic material, as well as a process for preparing the ceramic material and uses thereof, particularly in an actuator component employed, for example, in a droplet deposit...  
WO/2018/144856A1
A single ended n-bit hybrid digital-to-analog converter is configured to receive as an input an analog signal and produce an n-bit digital output. The converter includes a split main sub-digital-to-analog converter capacitor array, a mos...  
WO/2018/142714A1
A power generation device, provided with: a holding part 101 in which the natural frequency is fA; and two or more vibration power generation elements 105 that are held by the holding part 101, the vibration power generation elements 105...  
WO/2018/143655A1
A fingerprint sensor according to an embodiment comprises: a piezoelectric layer; a first substrate which is disposed on the piezoelectric layer; a first electrode pattern between the piezoelectric layer and the first substrate; a first ...  
WO/2018/143294A1
Provided are: an energy conversion film which exhibits excellent charge-holding performance and in which deterioration of the piezoelectric performance is suppressed even when the film is exposed to a high-temperature environment; and an...  
WO/2018/140709A1
A piezoelectric energy harvester has a layered structure comprising a first electrode, a polymeric piezoelectric material, and a second electrode, the layered structure coupled to receive mechanical stress from the environment, and the f...  
WO/2018/140011A1
The present application relates to a biosensor that employs an acoustic cavity to store mechanical energy. In particular examples, the biosensor includes an electrode region and one or more reflector regions to form the acoustic cavity, ...  
WO/2018/138662A1
Device comprising a flexible blade (1) equipped with a piezoelectric element (2) and equipped with a magnet (11) whose opposite poles are aligned at a correct distance with respective poles of further magnets (12, 13) applied to fixed su...  
WO/2018/139396A1
This sensor element comprises a piezoelectric body, a plurality of excitation electrodes, and a plurality of detecting electrodes. The piezoelectric body comprises a frame, and a driving arm and a detecting arm which extend from the fram...  
WO/2018/139190A1
The present invention addresses the problem of improving the piezoelectric properties of a PVT having a VDF content ratio of 82 to 90 mol%, which has excellent deformation resistance, heat resistance and the like and is typified by a cop...  
WO/2018/138507A1
An actuator including a housing, a piezo electric disc having a first side and a second side and defining an outer rim, an elastomeric seal, wherein the outer rim is received in the housing and the elastomeric seal engages the first side...  
WO/2018/139133A1
This actuator device is provided with: an actuator (1); and an alternating current power source (5) which can apply a high-frequency voltage to the actuator. The actuator is provided with: a flexible tube (2) formed from a polymer; an in...  
WO/2018/138070A2
The invention relates to a method for producing a lead-zirconate-titanate-based ceramic part which has ferroelectric or piezoelectric properties. Prior to sintering, a getter material is added to the PTZ, said getter material preferably ...  
WO/2018/136618A3
Fluid delivery devices and methods are described, where the device may comprise a piezoelectric actuator operatively coupled to an ampoule with fluid, under a preloading force. The ampoule may comprise a thin-walled thermoplastic package...  
WO/2018/134421A1
A device comprises a plurality of electroactive material actuator units arranged as a linear set. Data for controlling the driving of the individual units is provided on a data line, and data line connections are made between each adjace...  
WO/2018/135178A1
In this multi-morph structure piezoelectric element including two or more AlN piezoelectric films having impurities added thereto, the crystallinity and piezoelectricity of the second or later piezoelectric films are inhibited from deter...  
WO/2018/135247A1
Provided is a piezoelectric actuator eliminating the need for replacing a fuse resistor of an abnormality detection circuit, having low component cost, and capable of detecting, during the operation of a device, only a piezoelectric elem...  
WO/2018/134366A1
A device for electrically stimulating living cells and promoting biological cell growth and differentiation is hereby disclosed, said device being based on the generation of an electrical field due to a piezoelectric effect yielded by a ...  
WO/2018/131614A1
This sensor system 1000 is provided with: a linear piezoelectric element 101 which is arranged in clothing worn on a body being measured and generates an electric signal in response to applied stress, and which includes polylactic acid a...  
WO/2018/132798A1
A method is described that comprises receiving a filtered signal corresponding to an acoustic event, applying one or more tests to the filtered signal in a sequence, wherein each test of the one or more tests assesses the filtered signal...  
WO/2018/131612A1
This piezoelectric structure (10) contains a braid comprising conductive fibers (B) and piezoelectric fibers (A). In the braid, the conductive fibers are the core (3) and the piezoelectric fibers are coating fibers (1) which coat the per...  
WO/2018/132443A1
A conformable piezoelectric transducer array for performing ultrasound or the like includes a silicone elastomer substrate and a silicone elastomer superstrate. A plurality of piezoelectric transducer elements are disposed between the su...  
WO/2018/131234A1
Provided is a piezoresistive element exhibiting high detection sensitivity and a high gauge factor. A piezoresistive element equipped with a field effect transistor 20A and a piezoelectric capacitor 20B, wherein: the piezoelectric capaci...  
WO/2018/132797A1
A collar unit device is described comprising a receiving cavity for receiving a metal electrode probe, wherein at least one elastomeric ring encircles the metal electrode probe, wherein the at least one elastomeric ring mechanically isol...  
WO/2018/132799A1
A collar unit device is described comprising a receiving cavity for receiving a metal electrode probe, wherein at least one elastomeric ring encircles the metal electrode probe, wherein the at least one elastomeric ring mechanically isol...  
WO/2018/131170A1
Provided is a strain resistance element exhibiting high detection accuracy. A strain resistance element, wherein voltage-resistance properties which represent a change in the resistance value between a first electrode 3 and a second elec...  

Matches 1 - 50 out of 50,676