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WO/2023/225948A1 |
A vibration device, a touch display panel and an electronic product. The vibration device comprises a base substrate, a first transparent conductive anti-diffusion layer and a piezoelectric material layer. The first transparent conductiv...
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WO/2023/206443A1 |
The embodiments of the present disclosure provide a piezoelectric actuator and a haptics apparatus. The piezoelectric actuator comprises: a base substrate; a piezoelectric device, which is located on the base substrate, wherein the piezo...
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WO/2023/201615A1 |
A method of reducing surface defects of a piezoelectric film layer includes depositing a first seed layer on a substrate, depositing an intermediate film layer on the first seed layer at a first temperature of approximately 350 degrees C...
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WO/2023/188282A1 |
The present invention relates to a layered ceramic electronic component in which a first side surface electrode (51) connects a first external electrode layer (31) and a second internal electrode layer (42) to each other on a first side ...
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WO/2023/159448A1 |
A display module. A display module (10) comprises a display panel (100), a support layer (200) and a pyroelectric induction device layer (300). The support layer (200) is arranged on a non-display side of the display panel (100). The pyr...
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WO/2023/151217A1 |
The present invention belongs to the technical field of films, and relates to a polymer film polarization method. The method comprises the following steps: placing a template on a surface of a polymer film to be polarized, the side surfa...
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WO/2023/127112A1 |
[Problem] To provide: a piezoelectric thin-film having a superior FoM and piezoelectric strain constant; a piezoelectric thin-film manufacturing device and a piezoelectric thin-film manufacturing method that are capable of manufacturing ...
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WO/2023/100266A1 |
The present invention provides a film structure (10) which sequentially comprises a substrate (1), a film (2) containing zirconia, a sacrificial layer (3) and a piezoelectric film (4) in this order, wherein: the substrate, the film conta...
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WO/2023/087324A1 |
A piezoelectric device, a vibration panel, and a haptic feedback device. The piezoelectric device comprises: at least three electrode layers (10, 20) stacked alternately, and a piezoelectric layer (30) located between every two adjacent ...
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WO/2023/069876A1 |
A method of forming a piezoelectric device may include depositing a sol-gel film over a substrate and curing the sol-gel film by impinging light onto an exposed surface of the sol-gel film to form a piezoelectric ceramic element. The met...
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WO/2023/052208A1 |
Method for producing a multi-stimuli sensor device (1), said method comprising the following steps: a) providing a substrate layer (2) consisting of flexible material; b) creating a first electrode layer (3) by depositing electrical cond...
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WO/2023/034203A1 |
A subcutaneous continuous blood pressure monitor system based on piezoelectric micromachined ultrasonic transducers (PMUTs) provides remote, silent and continuous monitoring solutions for the BP management.
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WO/2023/026105A1 |
The present invention relates to a polarising machine or device (I) according to the present invention for polarising ceramic materials in layers with different thicknesses and with piezoelectric properties, allowing for the configuratio...
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WO/2023/017997A1 |
The present invention relates to: an electric field and vibration generating transducer comprising a high strain piezoelectric; and a method for manufacturing same. The electric field and vibration generating transducer according to the ...
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WO/2023/005605A1 |
Embodiments of the present disclosure provide a piezoelectric sensor and a tactile feedback device. The piezoelectric sensor comprises: a base substrate, and a first electrode layer, a first blocking layer, a piezoelectric material layer...
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WO/2023/001827A1 |
The invention relates to a method of implanting atomic species into a piezoelectric substrate, comprising the steps of I) providing a substrate (100, 200, 300) comprising a piezoelectric portion (112, 210, 310) and an electrically conduc...
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WO/2023/000966A1 |
The present disclosure relates to the technical field of electronics, and provides a piezoelectric device and a preparation method therefor, a panel, and a tactile reproduction apparatus. The piezoelectric device comprises a substrate, a...
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WO/2023/279669A1 |
The present application discloses a piezoelectric material for directionally regulating the growth orientation of a PMN-PT film by using CoFe2O4. A PMN-PT film material comprises a substrate having a specific crystal plane orientation, a...
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WO/2023/277118A1 |
[Problem] To provide: a composite material for power generation, the composite material having high durability and relatively excellent piezoelectric characteristics; and a method for producing a composite material for power generation. ...
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WO/2023/276131A1 |
[Problem] To provide a power generating composite material having high durability and relatively excellent piezoelectric property, and a power generating composite material manufacturing method. [Solution] The power generating composite ...
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WO/2022/269864A1 |
An information processing device according to the present embodiment comprises a plurality of oscillators and a panel that integrally covers the plurality of oscillators and that is in contact with each of the plurality of oscillators. T...
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WO/2022/264596A1 |
This substrate is provided with: a film-like member which has a first main surface and a second main surface; a first electrode which has a third main surface and a fourth main surface, while being arranged such that the third main surfa...
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WO/2022/265231A1 |
The present invention provides a transparent piezoelectric body that simultaneously ensures excellent transparency and piezoelectric properties, and a method for manufacturing same. The transparent piezoelectric body according to an embo...
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WO/2022/265050A1 |
This transducer comprises: a film support part; a vibration film which is connected to the film support part and is displaceable in the film thickness direction; a base material having a counter surface facing the vibration film; and a f...
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WO/2022/264654A1 |
A transducer comprising: a support having a cavity; a vibration film provided opposite the cavity and capable of vibrating in the opposite direction; a piezoelectric element of which at least a part is formed on the vibration film; and a...
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WO/2022/265966A1 |
A rechargeable battery cell a casing and first and second electrode materials separately positioned in the casing. A mechanical impulse element is positioned to mechanically move and dislodge gas bubbles from at least one of the first an...
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WO/2022/261668A1 |
Various embodiments of a smart non-pneumatic tire and methods for generating a mean vibration characteristic of the smart non-pneumatic tire are described. In one embodiment, a method for measuring the mean vibration characteristic inclu...
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WO/2022/257747A1 |
A method for modifying the low electric field refrigeration performance of a polyvinylidene fluoride ferroelectric polymer and an application thereof. A polyvinylidene fluoride multi-copolymer solution is reacted with an organic base to ...
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WO/2022/259745A1 |
This transducer includes: a support which has a cavity; a vibration membrane which is provided facing the cavity and which is capable of vibration in the facing direction; and a piezoelectric element at least part of which is formed on t...
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WO/2022/255035A1 |
This piezoelectric thin-film element comprises a first electrode layer, a piezoelectric thin-film overlapping the first electrode layer, and a second electrode layer overlapping the piezoelectric thin-film. A performance index P of the p...
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WO/2022/255121A1 |
This piezoelectric element is provided with a first electrode, a second electrode, and a piezoelectric film positioned between the first electrode and the second electrode, the piezoelectric element being characterized in that: the first...
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WO/2022/252288A1 |
The present application relates to a piezoelectric linear microdrive, comprising a sliding member, a motion module sleeved on the sliding member and capable of sliding along the sliding member, an inertial module, and a piezoelectric cer...
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WO/2022/246601A1 |
The present application relates to an acoustic wave filter packaging structure and a manufacturing method therefor, and an electronic device. The packaging structure comprises an acoustic wave filter packaging module, which comprises a f...
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WO/2022/249768A1 |
Provided is a fiber with which improved electric field strength is obtained when a compressive force is applied so as to intersect the longitudinal axis of the fiber. This modified cross-section fiber comprises an electric potential-gene...
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WO/2022/251554A1 |
A system of ultrasound based cellular stimulation may include a stimulation apparatus and a stimulation controller. The stimulation apparatus may include a transducer element formed from a single crystal piezoelectric material such as li...
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WO/2022/248048A1 |
There is provided an energy harvesting wearable device and method of manufacturing same. The device comprises a resilient polymer substrate, a p-type semiconductor abutting against an n-type semiconductor so as to form p-n junctions ther...
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WO/2022/248049A1 |
There is provided an energy harvesting wearable device and method of manufacturing same. The device comprises a p-type semiconductor abutting against an n-type semiconductor so as to form p-n junctions there between and a dielectric insu...
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WO/2022/248133A1 |
The invention relates to a process for producing a microelectromechanical oscillation system. A carrier substrate (5) having a first surface (4) is initially provided. A circumferential first trench (3a, 3b), in particular first trench d...
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WO/2022/248110A1 |
The invention relates to a process for producing a micro-electronic-mechanical oscillation system, especially a piezoelectric micromanufactured ultrasound transducer (20a). In this process, first of all, a carrier substrate (1) having a ...
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WO/2022/246821A1 |
A piezoelectric sensor, comprising: a base substrate (1), and a first electrode layer (2), a piezoelectric thin film layer (3), an insulating layer (4) and a second electrode layer (5) which are arranged in sequence away from the base su...
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WO/2022/248244A1 |
The present invention relates to a device, comprising: - a piezoelectric multi-layer element (1) having a top (2), the piezoelectric multi-layer element being designed to change its extent in a first direction (R1) as a consequence of an...
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WO/2022/241623A1 |
A chip encapsulation structure, comprising a substrate, a bare chip mounted upside down on the substrate, at least one conductive bump located between the substrate and the bare chip, and a conductive sealing ring. A functional element i...
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WO/2022/245505A1 |
A piezoelectric actuator (200) comprises a substrate, (202) an insulator layer (204) on the substrate, and a piezo actuator stack (210) on the insulator layer. The piezo actuator stack comprises an insulator-adjacent electrode (212) on t...
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WO/2022/242798A1 |
The invention relates to a positioning device (1) comprising a positioning unit (2) having at least one piezoelectric actuator (4), a drive element (5) to be coupled with an element (6) to be positioned, and a controller (3). The positio...
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WO/2022/244589A1 |
This ScAlN layered body includes: a substrate; a primary layer formed on the substrate; and a ScAlN film formed on the primary layer. The nearest inter-atomic distance, which is the distance between the nearest atoms in a lattice surface...
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WO/2022/240374A1 |
The invention relates to an electricity generating device (1) comprising at least one piezo element (10) capable of generating electricity by creating a potential difference in itself when force is applied thereto. The novelty of the inv...
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WO/2022/241313A1 |
A dielectric elastomer including a crosslinked network comprising a polypropylene oxide) unit on a network chain or a pendant group. In another example, the dielectric elastomer is stacked in a multi-layer dielectric elastomer structure ...
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WO/2022/240843A1 |
A stretchable and flexible imaging device that conforms to a shape of patient tissue to which it is attached includes a stretchable and flexible encapsulation substrate and superstrate that is removably attachable to patient tissue. An u...
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WO/2022/237964A1 |
A layered electronic device, for example a flexible haptic feedback device is disclosed. The layered electronic device may include a stack including first and second electroactive polymer (EAR) layers. Each of the first and second EAR la...
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WO/2022/241478A1 |
A piezoelectric energy harvesting device is provided. The piezoelectric energy harvesting device includes a piezoelectric material, which includes an inner surface having a concave shape, and an outer surface having a bottom surface. The...
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