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WO/2021/191302A1 |
A process for manufacturing a piezoelectric structure (10) for a radiofrequency device, said process being characterized in that it comprises providing a substrate of piezoelectric material (20), providing a carrier substrate (100), prov...
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WO/2021/193167A1 |
Provided are a laminate having sufficient crystal orientation, even in a region in which a piezoelectric layer is of submicron thickness, and a piezoelectric device using the same. The laminate comprises a first wurtzite thin film, a fir...
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WO/2021/190234A1 |
A laundry treating apparatus, comprising a rotary tub (1), which has a hollow protrusion (11), a first sealed housing (2) fixed on the inner side of the hollow protrusion (11), a luminescent lamp (3) fixed at the top of the first sealed ...
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WO/2021/189135A1 |
There is described a terahertz modulation system. The terahertz modulation system generally has a terahertz signal emitter emitting a terahertz signal along a path; a modulation unit having a substrate and an electromechanical transducer...
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WO/2021/191303A1 |
A process for manufacturing a piezoelectric structure (10, 10'), said process being characterized in that it comprises providing a substrate of piezoelectric material (20), providing a carrier substrate (100), depositing a dielectric bon...
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WO/2021/193956A1 |
The present invention provides a composite fiber which is composed of at least a metal sintered body and a ceramic sintered body. With respect to this composite fiber, the metal sintered body and the ceramic sintered body are arranged ad...
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WO/2021/190255A1 |
A transduction unit of a non-contact human body sleep physiological parameter detection sensor, which transduction unit belongs to the technical field of piezoelectric films. The transduction unit comprises a circuit board (1), a piezoel...
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WO/2021/192744A1 |
This dielectric material production method comprises: a step for mixing lithium carbonate and niobium oxide to obtain a mixture so that the molar ratio of lithium to niobium is larger than 50/50 and equal to or less than 56/44; and a ste...
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WO/2021/187077A1 |
Provided is a nitride laminate in which a nitride layer is suppressed from being contaminated, and which has improved crystallinity. The nitride laminate comprises a polymer substrate, and a nitride layer formed on at least one surface o...
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WO/2021/187086A1 |
Provided are a layered piezoelectric element and an electroacoustic transducer, with which high voltage characteristics are obtained and in which electrical contact points with an electrode layer are easily maintained. A piezoelectric fi...
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WO/2021/184136A1 |
A method and composition for manufacturing a material in the form of a plate for generating negative ions, for installation as a negative ion ionisation device in all types of air filters and in all types of internal combustion engines, ...
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WO/2021/186860A1 |
In the present invention, a first power feeding member (61) and a second power feeding member (62) are disposed on the same side with respect to a first member (20) in the thickness direction of an actuator (11). The first power feeding ...
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WO/2021/184253A1 |
Provided are an ultrasonic fingerprint recognition module (100) and a method for preparing same, and an electronic device. The ultrasonic fingerprint recognition module (100) comprises: a substrate (110); and a piezoelectric composite la...
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WO/2021/188221A1 |
An electrostatic zipping actuator (132, 232) includes a primary electrode (120, 220), a secondary electrode (130, 230) overlying the primary electrode, a dielectric layer (120; 220, 270) located between and abutting at least a portion of...
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WO/2021/188320A1 |
A process for preparing a porous ceramic body includes forming a green body with a mixture of ceramic material powder, binder material, and pore-forming particles. The process further includes extracting the binder material, decomposing ...
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WO/2021/185004A1 |
A pressure sensing apparatus (20) and a pressure sensing device. The pressure sensing apparatus (20) comprises one or more pressure sensing sheets (10) and a first substrate (22) bearing the pressure sensing sheets (10); each pressure se...
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WO/2021/182210A1 |
A piezoelectric coaxial sensor (1) is provided with: a central conductor (11) comprising a conductive wire; a polymer piezoelectric body layer (12) coating an outer peripheral surface of the central conductor (11); a first external condu...
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WO/2021/180462A1 |
The present invention relates to a bacteria activity detection system comprising a piezoelectric membrane adapted to receive a bacteria sample to be analyzed on it and adapted to generate current upon activity of said bacteria, at least ...
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WO/2021/182209A1 |
A piezoelectric coaxial sensor (1) comprises: a sensor body (10) including a sensor unit (S) having a linear central conductor (11), a polymer piezoelectric layer (12) that covers the outer peripheral surface of the central conductor (11...
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WO/2021/183663A1 |
A baseplate for a disk drive suspension is provided. The baseplate includes a receiving space at a distal end configured to mate with a spring of a load beam. The receiving space partially extends a length of the baseplate. The baseplate...
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WO/2021/179563A1 |
Provided is a somatosensory tactile device. The somatosensory tactile device comprises a flexible circuit board, an IPMC elastic layer and a strain elastic layer, wherein the flexible circuit board is arranged between the IPMC elastic la...
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WO/2021/182208A1 |
A piezoelectric coaxial sensor (1) comprises: a sensor unit (S) having a linear central conductor (11), a polymer piezoelectric layer (12) that includes polyvinylidene fluoride and covers the outer peripheral surface of the central condu...
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WO/2021/174317A1 |
Embodiments generally relate to energy transduction devices, such as vibration energy harvesting devices. An example vibration energy harvesting device includes: a piezoelectric transducer; electrical conductors electrically coupled to t...
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WO/2021/178711A1 |
A linear fan including a fan blade attached a fan frame by a wire spring having a first end attached to the fan blade and a second end attached to the fan frame. The fan blade includes a free end such that the blade oscillates by pivotin...
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WO/2021/174316A1 |
Some embodiments relate to an energy transduction device or apparatus. An example device or apparatus includes: a piezoelectric transducer; electrical conductors electrically coupled to the piezoelectric transducer; and an axially aligne...
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WO/2021/178057A1 |
An imaging device includes a transducer that includes an array of piezoelectric elements formed on a substrate. Each piezoelectric element includes at least one membrane suspended from the substrate, at least one bottom electrode dispose...
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WO/2021/177091A1 |
The present invention is a polycrystalline film which is formed of potassium sodium niobate and contains at least one metal element that is selected from the group consisting of Cu and Mn, wherein the ratio of the concentration B of the ...
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WO/2021/178854A1 |
A method of forming a film can include heating a CVD reactor chamber containing a substrate to a temperature range between about 750 degrees Centigrade and about 950 degrees Centigrade, providing a first precursor comprising A1 to the CV...
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WO/2021/172425A1 |
This sheet-like flexible electrode comprises a thermoplastic elastomer that is composed of a styrene-based thermoplastic elastomer, or a styrene-based thermoplastic elastomer and an olefin-based thermoplastic elastomer, and a conductive ...
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WO/2021/172259A1 |
In the present invention, a layered part (120) includes, above at least a recess (113), a single crystal piezoelectric layer (130) and a pair of electrode layers that apply voltage to the single crystal piezoelectric layer (130). A lower...
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WO/2021/172314A1 |
A power generation device (1) is provided with: an electret (2) having a first charging surface (21) and a second charging surface (22); a first power generation unit (10A) that includes first and second electrodes (31, 32) formed on the...
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WO/2021/172245A1 |
The present invention provides a high frequency filter which uses a novel piezoelectric material that has a high electromechanical coupling coefficient. A high frequency filter according to one embodiment of the present invention is prov...
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WO/2021/168750A1 |
A piezoelectric film (100) and a preparation method therefor, and a piezoelectric film sensor (10). The piezoelectric film comprises a first substrate (110), a conductive layer (120), and a piezoelectric layer (130); the conductive layer...
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WO/2021/172388A1 |
Provided is a valve device with which a drive system can be controlled in a simple manner and the change in a flow rate characteristic is small even when there has been a temperature change in a valve device body. The valve device compri...
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WO/2021/172474A1 |
The present invention produces an ideal potassium bismuth titanate piezoelectric body by preventing volatilization of Bi and K, and provides an excellent lead-free piezoelectric body, a piezoelectric element and a piezoelectric functiona...
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WO/2021/171819A1 |
An ultrasonic sensor (100), wherein a piezoelectric substance (130) has a first face (131) and a second face (132). A first electrode (140) is provided on the first face (131). A second electrode (150) is provided on the second face (132...
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WO/2021/167446A1 |
A piezoelectric device (100) and method of manufacturing. A first substrate (10) is provided with an array of pillars (11) comprising piezoelectric material (M). A second substrate (20) is provided with a piezoelectric layer (21) facing ...
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WO/2021/168225A1 |
Provided herein are devices, methods and compositions useful in obtaining aptamers for biosensor probes. Such methods, devices and compositions are useful for novel clinical or companion drug diagnostic and personalized theranostic assays.
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WO/2021/166837A1 |
In the present invention, a recessed part (113) has a polygonal or a circular outer shape when observed from a direction perpendicular to one main surface. When n is the number of a plurality of sides constituting the polygonal shape, r ...
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WO/2021/159678A1 |
Disclosed is an ultrasonic sensing device adapted to be arranged below a flat panel layer (20) of a terminal device. The ultrasonic sensing device comprises a supporting layer (120) and a piezoelectric layer (130). The supporting layer (...
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WO/2021/160738A2 |
Lattice structure with piezoelectric behavior characterized in that the lattice structure (1) comprises a periodic succession of unitary cells (10), wherein each unitary cell (10) is made of a dielectric material, is bending or torsion d...
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WO/2021/163210A1 |
A device that adapts/ upgrades an existing, or new medical facility to provide a method of examining and treating occupants in a safe, efficient manner which is one quarter the size of conventional examination and treatment spaces throug...
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WO/2021/160712A2 |
The invention relates to an optical assembly (30) of a projection exposure apparatus for semiconductor lithography, comprising an optical element (31) and an actuator (33) for deforming the optical element (31), wherein a bias is applied...
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WO/2021/157288A1 |
The present invention addresses the problem of providing a piezoelectric film that can achieve an electroacoustic conversion film or the like having high durability and capable of obtaining sufficient sound pressure with respect to an in...
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WO/2021/158978A1 |
A piezoelectric (PZT) actuator assembly having a fixed-end and a hinged-end is provided. The assembly includes a first side electrode at the hinge-end, and a second side electrode at the fixed-end. The assembly includes a third piezoelec...
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WO/2021/157522A1 |
A piezoelectric element comprising a layered body in which an internal electrode and a piezoelectric body layer are layered, and a surface electrode that is positioned on the side surface of the layered body and is electrically connected...
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WO/2021/157218A1 |
Provided are a method for manufacturing a composite substrate in which damage due to thermal treatment after bonding may be suppressed, and a composite substrate manufactured by the method. A method for manufacturing a composite substrat...
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WO/2021/158250A1 |
A magnetic device includes a first electrode, a second electrode, a plurality of magnetic junctions each containing a ferromagnetic reference layer and a ferromagnetic free layer located between the first electrode and the second electro...
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WO/2021/156665A1 |
The invention relates to a pressure measuring device for preventing bedsore formation, which comprises a multilayer piezoresistive sensor comprising a first piezoresistive element located between a first conductive element and a second c...
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WO/2021/153491A1 |
In a piezoelectric device (100), connecting parts (130) connect pairs of adjacent beam parts (120) together among a plurality of beam parts (120). The connecting parts (130) connect with one pair of beam parts (120) at a first end. The c...
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