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WO/2021/148630A1 |
The invention is directed to a piezoelectric device (2) comprising a transparent substrate (4); a transparent barrier layer (6) on the substrate (4); a transparent piezoelectric layer (8) on the transparent barrier layer (6); a transpare...
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WO/2021/149386A1 |
The present invention provides a piezoelectric component which is capable of suppressing deterioration of the polarization due to a pyroelectric effect, while being capable of suppressing increase of the dielectric loss tan δ and exhibi...
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WO/2021/150496A1 |
An RF integrated circuit device can includes a substrate and a High Electron Mobility Transistor (HEMT) device on the substrate including a ScAlN layer configured to provide a buffer layer of the HEMT device to confine formation of a 2DE...
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WO/2021/147646A1 |
Disclosed in the present invention are a film piezoelectric acoustic wave filter and a manufacturing method therefor. The film piezoelectric acoustic wave filter comprises: a first substrate; a plurality of acoustic wave resonator units ...
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WO/2021/146917A1 |
A piezoelectric thin film composite substrate (200) and a manufacturing method therefor. The piezoelectric thin film composite substrate (200) comprises: a substrate (230); a piezoelectric thin film layer (211) located on an upper surfac...
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WO/2021/143409A1 |
The present invention provides a composite substrate and a manufacturing method therefor, and a surface acoustic wave resonator and a manufacturing method therefor. The manufacturing method for a composite substrate comprises: providing ...
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WO/2021/145092A1 |
The present invention provides a polymer composite piezoelectric film which has a high conversion efficiency and enables the reproduction with a sufficient sound volume. The present invention comprises a polymer composite piezoelectric b...
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WO/2021/142051A1 |
An integrated circuit (100) is described herein that includes a semiconductor substrate (102). First and second piezoresistive sensors (108, 112) are on or in the substrate (102) where each piezoresistive sensor (108, 112) has a respecti...
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WO/2021/140096A1 |
The invention relates to a method for producing a piezoelectric multilayer sensor and/or actuator, in which the electrically conductive layers (10), optionally with the exception of the lowest electrically conductive layer, and the piezo...
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WO/2021/141081A1 |
[Problem] To suppress cracking and chipping due to heating, ultrasonic vibration, and a load applied when a piezoelectric vibrating element is mounted. [Solution] [0012] This piezoelectric vibrating element 11 comprises a piezoelectric l...
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WO/2021/138328A1 |
A synthetic jet actuator includes a cavity layer having an internal cavity for reception of a fluid volume and an orifice providing a fluid communication between the cavity and an external atmosphere; an oscillatory membrane having a pie...
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WO/2021/138318A1 |
A system comprises a support, typically part of dishwashing machine or clothes washing machine, having a plurality of piezoelectric transducers. Each transducer can have a cylindrical housing with a water inlet along a side surface of th...
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WO/2021/135014A1 |
The present invention relates to a piezoelectric single crystal structure and an electronic device comprising same. The piezoelectric single crystal structure comprises: a plurality of piezoelectric layers, each of which being a piezoele...
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WO/2021/135135A1 |
Disclosed are a piezoelectric drive structure and an imaging module, the piezoelectric drive structure comprising: a support layer; a piezoelectric element, adhesively bonded to the upper surface of the support layer; the piezoelectric e...
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WO/2021/134692A1 |
The present invention relates to the field of piezoelectric transducers, and provides a transducer. The transducer comprises a first wafer (100) and a second wafer (200); the first wafer (100) and the second wafer (200) each comprise a s...
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WO/2021/130434A1 |
The invention relates to a piezoelectric composite material based on a polymer matrix, with piezoelectric inorganic fillers, characterized in that said material further comprises at least one ionic liquid with the general formula Q+A-, i...
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WO/2021/132482A2 |
The present invention addresses the problem of providing a power-generating magnetostrictor and a magnetostrictive power generation device, which can achieve the same or a greater magnetostrictive power generation amount compared to conv...
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WO/2021/132602A1 |
[Problem] An objective of the present invention is to provide a ferroelectric thin film that is very highly ferroelectric and is stable enough to withstand actual use compared to conventional ferroelectric thin films formed from scandium...
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WO/2021/131528A1 |
This piezoelectric element is provided with a support body and a vibration unit (20). The vibration unit (20) is arranged on the support body; is configured to include a piezoelectric film and an electrode film that is connected to the p...
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WO/2021/131121A1 |
A piezoelectric vibration element (10) comprising: a piezoelectric piece (11) having a main surface (11A); an excitation electrode (14a) which is disposed on the main surface (11A) of the piezoelectric piece (11); and a connection electr...
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WO/2021/130435A1 |
The invention relates to a piezoelectric device comprising at least one piezoelectric layer P interposed between two conductive layers E, each layer E forming an electrode, characterised in that the layer P comprises at least one piezoel...
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WO/2021/131311A1 |
A piezoelectric element comprising a support body and a vibration part (20) disposed on the support body, the vibration part (20) comprising a piezoelectric film and an electrode film connected to the piezoelectric film to extract electr...
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WO/2021/132098A1 |
A piezoelectric element (1) is provided with a piezoelectric element body (3) including a piezoelectric ceramic material, and a first electrode (10) and a second electrode (20) which are disposed on the piezoelectric element body (3) so ...
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WO/2021/124611A1 |
A transducer (100) is provided with a base part (110), a plurality of beam parts (120) and a coupling member part (130). Each of the beam parts (120) includes a piezoelectric layer (10), a first electrode layer (20) and a second electrod...
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WO/2021/125097A1 |
This laminated piezoelectric element is provided with: a piezoelectric element body that includes a piezoelectric ceramic material; a first electrode; and a second electrode. The piezoelectric element body has a first main surface and a ...
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WO/2021/124743A1 |
The present invention addresses the problem of providing a cut sheet-shaped piezoelectric film having electrode layers on both sides of a piezoelectric layer, wherein the electrode layers can be prevented from being short-circuited. The ...
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WO/2021/123205A1 |
The invention relates to a piezoelectric element and to a method for producing same. The piezoelectric element is provided with a substrate (101), in which an intermediate layer (100) is arranged between a first substrate layer (101a) an...
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WO/2021/125483A1 |
Disclosed is an ultrasonic surgical device having an external protective film attached thereto. A purpose of one embodiment of the present invention is to provide: a piezoelectric device having a protective film attached thereto so that ...
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WO/2021/123147A1 |
The invention relates to a movable piezo element and to a method for producing same. The movable piezo element is provided with a structured substrate, in which an intermediate layer (101) is arranged between a first substrate layer (100...
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WO/2021/125769A1 |
The present invention relates to a power factor improvement and power generation apparatus using a piezoelectric element, which capable of improving a power factor of a power line and generating power by using a unique capacitor componen...
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WO/2021/126791A1 |
A system including an active cooling system is described. The active cooling system includes a cooling element in communication with a fluid and configured to use vibrational motion to direct a fluid toward a surface of heat-generating s...
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WO/2021/127264A1 |
Systems and methods for actuation of downhole devices are disclosed. The system includes a first cylindrical pipe having one or more first materials attached to an outer surface of the first cylindrical pipe, a second cylindrical pipe co...
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WO/2021/126056A1 |
A manufacturing method for an electromechanical drive element comprises providing (S10) of an excitation body comprising at least one volume of electromechanical material. The excitation body has a metal plate integrated as a surface of ...
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WO/2021/116531A1 |
A method of manufacturing ceramic composite material comprises forming a combination of flowable metal oxide precursor (102), which is water-insoluble, and electroceramic powder (104) for covering surfaces of the electroceramic particles...
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WO/2021/117626A1 |
A piezoelectric actuator according to the present disclosure comprises: a piezoelectric element that has a longitudinal direction; a case that has a lid part, a bottom part, and a cylindrical part, and accommodates the piezoelectric elem...
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WO/2021/113123A2 |
Various methods and systems are provided for a multi-frequency transducer array. In one example, ground recovery in the transducer array is enabled by configuring an acoustic stack of the transducer array with an interdigitated structure...
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WO/2021/112421A1 |
The present invention relates to a system and method for motion communication using piezoelectric sensors. The system according to an embodiment of the present invention comprises: piezoelectric sensors attached to a user's fingers to ge...
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WO/2021/111035A1 |
The ceramic material element (106) includes a main phase of orthorhombic perovskite-structure and a secondary phase due to a heat treatment within 700ºC to 850ºC for a first period followed by a second period within 1140ºC to 1170ºC,...
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WO/2021/111612A1 |
A method for manufacturing a prescribed number of electronic elements from a single wafer substrate, comprising a film formation step, an inspection step, a patterning step, and a dicing step, wherein defect distribution data is acquired...
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WO/2021/105258A1 |
An electronic circuit (20), preferably a piezoelectric component, comprises a stack of at least a support (12) or a first layer (E1, E2, E3) made of a first polymer, of a second layer (E1, E2, E3, C1, C2, C3) made of a second polymer and...
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WO/2021/106265A1 |
A beam part (110) in this piezoelectric device (100) has a fixed end section (111) and a free end section (112). The free end section (112) is positioned on the opposite side of the fixed end section (111). The beam part (110) extends fr...
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WO/2021/104425A1 |
A nanocellulose-based electro-driven material and a preparation method therefor. A TOCNF gel is stirred evenly in deionized water, then undergoes an ultrasound treatment to produce a TOCNF solution, then self-assembles into a transparent...
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WO/2021/106266A1 |
In a piezoelectric device (100), a cantilever portion (120) has a fixed edge portion (121) and a free edge portion (122). A plate-shaped portion (130) has an opposing edge portion (131), a supporting edge portion (132), a first side supp...
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WO/2021/106930A1 |
Provided is a novel flexible piezoelectric element that has high heat resistance and an elongated linear shape as a whole, the piezoelectric element exhibiting sufficient piezoelectric responsiveness. The piezoelectric element includes a...
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WO/2021/106505A1 |
The present invention addresses the problem of providing: a polymer composite piezoelectric substance that includes lead zirconate titanate particles in a matrix formed from a polymer material, the polymer composite piezoelectric substan...
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WO/2021/105920A1 |
The disclosed flexible sensor comprises a flexible substrate (10) of polymeric material, a bottom electrode (30) configured as a reference electrode (120), an active layer (40) of piezoelectric material, a top electrode (50) connected to...
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WO/2021/105568A1 |
According to an example aspect of the present invention, there is provided a Microelectromechanical System, MEMS, mirror apparatus, comprising a MEMS mirror and at least two piezo actuators, wherein the at least two piezo actuators are c...
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WO/2021/100467A1 |
A magnetostrictive member according to the present invention is a plate-like body which is formed of a crystal of an iron-based alloy that has magnetostrictive characteristics, while having a longitudinal direction and a short-side direc...
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WO/2021/102127A1 |
Described are acoustic absorber materials with high acoustic attenuation and high thermal conductivity comprising an inorganic, porous foam and an absorbing material within at least a portion of the pores of the foam, ultrasound transduc...
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WO/2021/100428A1 |
The present invention addresses the problem of providing an electroacoustic converter having a diaphragm and a piezoelectric element, the electroacoustic converter making it possible to replace the piezoelectric element and prevent degra...
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