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Matches 1 - 50 out of 53,235

Document Document Title
WO/2020/247481A3
An actuator (100) powered by photonic energy comprises a rotor including a material (101) which deforms from a first underformed state when exposed to electromagnetic radiation to a second deformed state and begins to return to the first...  
WO/2021/003087A1
The present disclosure provides a contact hearing device comprising a piezoelectric actuator. The attachment of the piezoelectric actuator to a tympanic membrane can vibrate the tympanic membrane based on a transmission received by the r...  
WO/2021/000121A1
The present utility model provides an actuator, comprising a support, a coil wound around the outside of the support, a core fixed to the inside of the support, and a magnetostrictive strain gauge fixed to the core in a stacked manner, t...  
WO/2021/002434A1
The present invention comprises a substrate, an electrode film, and a piezoelectric film which is a polycrystalline film comprising an alkali niobate having a perovskite structure represented by the compositional formula (K1-xNax)NbO3 (0...  
WO/2020/261909A1
The present invention provides: a polymer composite piezoelectric substance from which it is possible to obtain a piezoelectric film capable of generating a high sound pressure output when used in a piezoelectric loudspeaker; a piezoelec...  
WO/2020/259201A1
A piezoelectric sensor and a preparation method therefor, a fingerprint recognition method, and an electronic device. The piezoelectric sensor comprises a first electrode layer and a second electrode layer arranged opposite each other; a...  
WO/2020/261911A1
The present invention provides: a polymer composite piezoelectric body which enables the output of a higher sound pressure when used in a piezoelectric speaker and which also enables the manufacture of a piezoelectric film showing excell...  
WO/2020/261877A1
The present invention addresses the problem of providing a piezoelectric film capable of materializing an electroacoustic transduction film or the like that is highly durable and capable of producing an adequate level of sound pressure i...  
WO/2020/261954A1
Provided are an electroacoustic transducer and an electroacoustic transduction film that can suppress deterioration of the piezoelectric transduction efficiency during use under a high temperature environment. This electroacoustic transd...  
WO/2020/261837A1
The present invention addresses the problem of providing a piezoelectric film that makes it possible to obtain a high sound pressure and sufficient sound pressure characteristics over a wide frequency band, and to obtain a piezoelectric ...  
WO/2020/261645A1
This piezoelectric valve is provided with: a valve body including a gas pressure chamber which receives compressed gas supplied from the outside; a plate disposed inside the valve body; and an actuator fixed to the plate and disposed ins...  
WO/2020/261822A1
The present invention addresses the problem of providing a piezoelectric film (10) capable of realizing an electroacoustic transduction film or the like which exhibits high heat radiation performance and provides sufficient sound pressur...  
WO/2020/261957A1
Provided is a polymer composite piezoelectric body and a piezoelectric film in which variations in the piezoelectric conversion efficiency are suppressed to provide stable piezoelectric conversion characteristics under various humid envi...  
WO/2020/262256A1
Provided are a piezoelectric material, a piezoelectric member, a piezoelectric element, and a pressure sensor that are usable in a high-temperature environment. This piezoelectric material comprises a Sr-substituted åkermanite represent...  
WO/2020/261963A1
Provided are a polymer composite piezoelectric body and a piezoelectric film configured for high productivity and capable of suppressing the loss of piezoelectric conversion efficiency under harsh temperature/humidity conditions. The pol...  
WO/2020/264247A1
A sensor device that senses proper acceleration. The sensor device includes a substrate, a spacer layer supported over a first surface of the substrate, at least a first tapered cantilever beam element having a base and a tip, the base a...  
WO/2020/259224A1
Provided are a piezoelectric sensor and a manufacturing method therefor, and an electronic device. The piezoelectric sensor comprises: a substrate; an active layer provided at one side of the substrate; a first electrode provided at the ...  
WO/2020/261904A1
The present invention provides: a polymer composite piezoelectric body which enables the achievement of a piezoelectric film that is capable of outputting a higher sound pressure if used in a piezoelectric speaker; a piezoelectric film w...  
WO/2020/252833A1
The present invention relates to the field of flexible piezoelectric materials, and provides a multifunctional flexible piezoelectric composite thin film having an ordered structure and a manufacturing method therefor. A flexible functio...  
WO/2020/255920A1
The present invention can be used to manufacture at a high non-defective rate by solution processing a polyimide thin film sensor substrate, which is a light, supple, and tough thin film component having high total light transmittance th...  
WO/2020/254435A1
The present invention relates to a piezoelectric actuator and to a microfluidic device, such as a microvalve or micropump. The piezoelectric actuator (100) comprises a deflectable actuator membrane (102), and at least one piezoelectric e...  
WO/2020/255024A1
Disclosed are piezoelectric compositions and films with high D33 values and improved surface smoothness, scratch resistance and/or adhesion. The compositions and films can have a combination of benefits over the prior art compositions an...  
WO/2020/253908A1
The invention relates to a magnetic field measuring device having mechanically vibratable rectangular substrate strips which are clamped on one side, wherein at least one flat face of the substrate strip is coated with a magnetostrictive...  
WO/2020/248025A1
A sensing platform comprises a semiconductor junction, in particular a SiC/Si heterojunction, with a pair of electrodes located on a surface of an upper layer of the semiconductor junction in a spaced apart relationship. The sensing plat...  
WO/2020/249467A1
Electric component, electric device and method for manufacturing a plurality of electric components In at least one embodiment, the electric component (10) comprises a piezoelectric layer (1a), an electrode structure (2) with a first ele...  
WO/2020/250491A1
[Problem] To improve the bonding strength when bonding a piezoelectric material substrate formed from lithium tantalate or the like to a support substrate formed from quartz, and to prevent delamination even if the piezoelectric material...  
WO/2020/250517A1
A tire degradation estimating method according to an embodiment of the present invention enables a degree of degradation of a tire to be estimated, by comprising: a deformation speed measuring step (S11) of using a tire degradation estim...  
WO/2020/250591A1
Provided is a piezoelectric element which can be produced at low cost and which comprises a piezoelectric layer containing a Pb-containing monophasic perovskite type oxide. This piezoelectric element comprises a lower electrode layer, a ...  
WO/2020/250632A1
The present invention provides a piezoelectric element which comprises a piezoelectric layer constituted of a Pb-containing perovskite type oxide and which exhibits high driving reliability even in a warm environment. This piezoelectric ...  
WO/2020/250657A1
The piezoelectric element is provided with: a piezoelectric body made of a piezoelectric material; and a first electrode and a second electrode disposed on the piezoelectric body. The piezoelectric body has a base section and multiple dr...  
WO/2020/247481A2
An actuator powered by photonic energy comprises a rotor including a material which deforms from a first undeformed state when exposed to electromagnetic radiation to a second deformed state and begins to return to the first state when t...  
WO/2020/244907A1
The invention relates to a multilayer stack (1), to a device comprising the stack (1) and to the process for producing same for piezoelectric applications. The multilayer stack (1) comprises a substrate (10); a first aluminium nitride-ba...  
WO/2020/246090A1
Provided is a piezoelectric actuator capable of reducing the risk of air leakage caused by weakening of the compression force or air-tightness of a valve body with respect to the surface of a valve seat. The piezoelectric actuator is a...  
WO/2020/242839A1
An electroactive ceramic may be incorporated into a transparent optical element between transparent electrodes and may characterized by a preferred crystallographic orientation. The preferred crystallographic orientation may be aligned a...  
WO/2020/241743A1
A method for manufacturing a piezoelectric film comprises: a coating step of applying a coating solution onto a substrate to form a coating film, wherein the coating solution contains lead, zirconium and titanium, has a zirconium/titaniu...  
WO/2020/239752A1
The invention relates to an electric component (1) with which a mechanical deformation of an object can be sensed. The invention also relates to a method for sensing a mechanical deformation of an object using at least one electric compo...  
WO/2020/241694A1
A nitrogenous compound represented by general formula (1). [In formula (1), Y1 represents +NH, +NCH3, or CH, Y2 and Y3 each independently represent +NH2 or CH2, and X1 represents ReO4, IO4, ClO4, FeCl4, GaCl4, FeBr4, or AlCl4 . Only one ...  
WO/2020/242853A1
An electroactive ceramic, which may be incorporated into a transparent optical element, has an average grain size of less than 200 nm, a relative density of at least 99%, and a transmittance of at least 50% within the visible spectrum, w...  
WO/2020/243700A1
A transceiver apparatus for maximizing voltage. A voltage booster or transformer is implemented using piezoelectric thin films in substrates, preferably CMOS substrates where active processing of RF signals can lead to highly integrated ...  
WO/2020/238696A1
The embodiment of the present disclosure provides a flexible electro-acoustic substrate and a preparation method therefor, as well as a flexible electro-acoustic device. The preparation method for the flexible electro-acoustic substrate ...  
WO/2020/235847A1
The present application relates to piezoelectric nanomaterial comprising: nanomaterial; and a ligand formed on the nanomaterial. The ligand has a dipole moment characteristic. The size of a dipole of the ligand is adjusted by means of pr...  
WO/2020/235131A1
This piezoelectric device is provided with a base part (1) and an upper part layer (2) which is positioned upward of the base part (1) and supported by the base part (1). The upper part layer (2) includes a membrane part (3) which is a r...  
WO/2020/234045A1
The invention relates to an actuator assembly comprising a first piezo actuator and a second piezo actuator. According to a first aspect the piezo actuator comprises a correction unit, configured to determine an output voltage difference...  
WO/2020/234606A1
The present invention relates to a method of preparing a solid solution ceramic material having increased electromechanical strain, as well as ceramic materials obtainable therefrom and uses thereof. In one aspect, the present invention ...  
WO/2020/230450A1
A piezoelectric ceramic electronic component 10 is provided with: a piezoelectric ceramic element body 1 that includes one or more piezoelectric ceramic layers 3a-3h; and a plurality of electrodes 4a-4g that are provided to the surface o...  
WO/2020/230787A1
A vibration device (1) is provided with a vibrating plate (10), a piezoelectric element (20), and a wiring member (30). The vibrating plate has electrical conductivity. The piezoelectric element is disposed on the vibrating plate. The wi...  
WO/2020/230484A1
A piezoelectric device (100) is provided with a base board (110), a piezoelectric element (120), and a lid portion (130). The piezoelectric element (120) includes a base portion (121) and a membrane portion (122). The base portion (121) ...  
WO/2020/230419A1
This optical device (10) comprises a protective cover (12), a cylindrical case (11), and a vibrating body (13). The vibrating body (13) causes the protective cover (12) to vibrate as a result of the selection, from among a plurality of v...  
WO/2020/230443A1
A membrane part (120) includes a single crystal piezoelectric layer (130), an upper electrode layer (140), and a lower electrode layer (150). The upper electrode layer (140) is disposed on a first surface (131). The lower electrode layer...  
WO/2020/228913A1
The invention relates to an actuator (1) in the form of a stack (2), wherein the stack (2) comprises at least a plurality of a first pair (10) of layers (11, 12) of a polarised electromechanical material and a plurality of a second pair ...  

Matches 1 - 50 out of 53,235