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Matches 551 - 600 out of 38,960

Document Document Title
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/2020/235131A1
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/2020/230450A1
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 ...  
WO/2020/229671A1
The invention relates to an energy harvesting system (1) which has at least two piezoelectric units (3) and a central control unit (2). The piezoelectric units (3) each have a piezoelectric layer (6) and an integrated electronics unit (7...  
WO/2020/232458A1
A method of forming a piezoelectric film can include providing a wafer in a CVD reaction chamber and forming an aluminum nitride material on the wafer, the aluminum nitride material doped with a first element E1 selected from group IIA o...  
WO/2020/229674A1
The invention relates to a sensor (1) which consists of a first electrode (3a), a ferroelectric layer (2) and a second electrode (3b). The second electrode (3b) is connected to ground and the ferroelectric layer (2) is disposed between t...  
WO/2020/229696A1
The present invention relates to a device (1) having a piezoelectric transducer element (3) and a support (4), which are connected mechanically to each other to form an assembly in such a manner that the piezoelectric transducer element ...  
WO/2020/224333A1
Provided are a flexible display panel (100), a flexible display device and a deformation detection method thereof, which is used to detect deformation of the flexible display panel (100). The flexible display panel (100) comprises: a fle...  
WO/2020/225566A1
A substrate for use in an electronic skin is disclosed herein. The substrate comprises a base polymer layer, a first intermediate polymer layer is attached to the base polymer layer by a first adhesive layer, and the first intermediate p...  
WO/2020/226219A1
A method for manufacturing a polymer composite piezoelectric material having boron nitride nanotubes (BNNTs) dispersed therein, according to one embodiment of the present invention, may comprise: a solution preparation step for preparing...  
WO/2020/223677A1
A virtual resistive load feedback circuit for driving a piezoelectric actuator is provided that accounts for a hysteresis error and drift within the movement of the actuator. The circuit may include a voltage divider and charge divider. ...  
WO/2020/216414A1
The invention relates to an actuator (1, 2) having a stack (10, 20), which comprises layers of electromechanical material (11, 21), stacked in an actuator axis direction, and control electrode layers (12a, 12b, 222a, 222b), arranged betw...  
WO/2020/217734A1
In the present invention, an inkjet print head 1 includes: a pressure chamber 5; a movable film forming layer 10 containing a movable film 10A which defines the top surface section of the pressure chamber 5; and a piezoelectric element 6...  
WO/2020/218617A1
Provided are a method for forming a ferroelectric film of a metal oxide having a fluorite structure at a temperature lower than 300˚C and a ferroelectric film obtained at a low temperature. The present invention provides a method for pr...  
WO/2020/217637A1
A piezoelectric sound component (100) comprises a piezoelectric diaphragm (10), a base (20), and a case (30) for storing the piezoelectric diaphragm (10) while being combined with the base (20). The base (20) has a bottom wall part (21) ...  
WO/2020/218226A1
[Problem] To provide a driving device provided with a piezoelectric element deterioration detection circuit and a deterioration detection method which enable detection of deterioration of a piezoelectric element for use in the driving de...  
WO/2020/217610A1
Provided is a piezoelectric valve with which the following can be prevented: a broken piece of a layered piezoelectric element is ejected together with a compressed gas during use; the lifespan is shortened due to the infiltration of moi...  

Matches 551 - 600 out of 38,960