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WO/2021/100438A1 |
The present invention is a drive method for a piezoelectric actuator, a drive circuit for a piezoelectric actuator, and a drive system for a piezoelectric actuator that can vibrate a piezoelectric element in a maximum amplitude state. Th...
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WO/2021/100754A1 |
This method for forming an element-forming wafer comprises: preparing a semiconductor wafer (100) having a plurality of chip-forming regions (101); forming a thin layer (110) on the semiconductor wafer (100); and adjusting stress in an e...
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WO/2021/101163A1 |
A pressure sensor according to the present invention is disposed on the front surface of a display panel and is used for measuring touch pressure. The pressure sensor comprises: a first protection film and a second protection film which ...
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WO/2021/100248A1 |
A piezoelectric device (100) comprises: an outer base part (110); a protruding base part (120); and only one cantilever part (130). The protruding base part (120) has a protruding portion (121) and a leading end portion (122). The protru...
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WO/2021/093559A1 |
A preparation method for a piezoelectric composite wafer, comprising the following steps: S1, cutting one side of a piezoelectric material sheet (10) in the thickness direction to form a plurality of cutting grooves (14); S2, filling the...
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WO/2021/096867A1 |
A method of fabricating a piezoelectric layer includes depositing a piezoelectric material onto a substrate in a first crystallographic phase by physical vapor deposition while the substrate remains at a temperature below 400 °C, and th...
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WO/2021/095311A1 |
A transducer (100) in which each of a plurality of beam portions (110) extends from a fixed end portion (111) toward a distal end portion (112). The fixed end portions (111) of the plurality of beam portions (110) are positioned in the s...
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WO/2021/096718A1 |
A haptic-enabled system, non-transitory computer-readable medium, and method for controlling a haptic actuator are presented. The haptic-enabled system comprises the haptic actuator, a movement sensor, and a control circuit. The control ...
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WO/2021/095461A1 |
The present invention provides a piezoelectric element which has a uniform thin thickness, while being not susceptible to winding failure during the production process thereof and being not susceptible to the occurrence of deformation of...
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WO/2021/095546A1 |
The present invention addresses the problem of providing a laminated piezoelectric element in which piezoelectric films are laminated, the laminated piezoelectric element facilitating connection between the electrode layers of the respec...
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WO/2021/095511A1 |
The present invention provides a piezoelectric element which is capable of preventing the occurrence of connection failure to an electrode layer. A piezoelectric element which comprises a piezoelectric layer, electrode layers that are ...
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WO/2021/096568A1 |
A fluidic device and a method of preventing isolation material from bleed-out therein is described herein. The fluidic device includes a bulk acoustic wave resonator structure defining at least one surface area region on which a function...
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WO/2021/096884A1 |
A piezoelectric device includes a substrate, a thermal oxide layer on the substrate, a metal or metal oxide adhesion layer on the thermal oxide layer, a lower electrode on the metal oxide adhesion layer, a seed layer on the lower electro...
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WO/2021/091243A1 |
A microphone according to the present invention comprises: a case in which a recess having an open upper portion is formed; a diaphragm part that is located on the recess and is formed to have elasticity so as to be variably displaced by...
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WO/2021/085981A1 |
Disclosed is a vehicle speaker including a first speaker assigned to output a low frequency band and a second speaker assigned to output a high frequency band. The first speaker and the second speaker may be installed on one surface of a...
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WO/2021/084503A1 |
A dielectric elastomer actuator (1) comprising: a plurality of polymer layer (2);a plurality of stretchable electrode layers (3), each polymer layer (2) being sandwiched between two electrode layers (3) so as to control the electric fiel...
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WO/2021/084768A1 |
A reservoir element according to an embodiment comprises: a piezoelectric material that has a propagation region in which elastic waves propagate; and on the piezoelectric material, an input unit that generates a plurality of elastic wav...
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WO/2021/079715A1 |
Provided is a sensor device in which deterioration of resonance characteristics of a sensitive film can be suppressed. A sensor device according to one embodiment comprises: a substrate; a piezoelectric film; a lower electrode and an upp...
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WO/2021/079669A1 |
A sensor (100) is provided with: a film part (2) that is capable of being deformed by an external force; a support (3) that supports the film part; and a magnetic reluctance element part (R1) that is provided on the film part (2) and tha...
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WO/2021/078589A1 |
The invention relates to a dielectric transducer (1; 1a; 1b) for use in a sensor, actuator or generator, comprising multiple layers of transducer foils (2, 3, 4; 2a, 3a, 4a; 2b, 3b, 4b, 20), wherein an electrically contactable and conduc...
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WO/2021/079668A1 |
A sensor (100) comprises: a film part (2) that is deformable under an external force; a support body (3) that supports the film part (2); and a magnetic resistance element part (R1) that is provided atop the film part (2) and that includ...
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WO/2021/079837A1 |
A surface-direction-type vibration structure (1) is provided with: a frame-like member (16) having openings; a vibration part (17) located at the openings; a beam part (181) that connects the frame-like member (16) and the vibration part...
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WO/2021/075308A1 |
The present invention addresses the problem of providing a piezoelectric film having an electrode layer and a protective layer on each of the two surfaces of a piezoelectric layer and capable of preventing short-circuiting caused by an e...
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WO/2021/075204A1 |
A piezoelectric element is provided which can reliably connect electrically to an electrode layer. This piezoelectric element has a piezoelectric layer, an electrode layer formed on both sides of the piezoelectric layer, and a protective...
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WO/2021/076867A1 |
A method is provided to measure viscosity of an analyte using a microfluidic piezoelectric sensor including a channel on an active area of a piezoelectric resonator substrate. The microfluidic piezoelectric sensor is driven so that the a...
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WO/2021/070868A1 |
[Problem] To provide a laminated piezoelectric element having an excellent suppression effect on characteristics deterioration caused by a pyroelectric effect. [Solution] Inside an element main body 10 are a first internal electrode 3, a...
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WO/2021/068064A1 |
Ultrasound devices and systems are disclosed in which cooling of an active acoustic element of an ultrasound transducer is achieved via an electrically conductive member that extends beyond a proximal side of the active acoustic element ...
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WO/2021/070809A1 |
This actuator comprises a plurality of stacked electrode sheets and an adhesive layer provided between adjacent electrode sheets. The electrode sheet comprises an elastomer layer and an electrode provided on the elastomer layer. The plur...
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WO/2021/065512A1 |
The present invention addresses the problem of achieving a semiconductor device which is capable of forming an active region by being stacked with a lead zirconate titanate (PZT (PbZrTiO3)) sensor that has a piezoelectric effect. To this...
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WO/2021/066244A1 |
The present invention relates to a method for manufacturing a bridge-type structure and a method for manufacturing a piezoresistive acceleration sensor having a bridge-type piezoresistor by using same, wherein an accelerometer having a b...
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WO/2021/066241A1 |
The present invention provides a piezoelectric element and a method for manufacturing a piezoelectric element. The present invention provides the piezoelectric element comprising: a base layer; a piezoelectric layer which is disposed on ...
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WO/2021/066243A1 |
The present invention relates to a method of manufacturing a bridge-type structure and a method of manufacturing a piezoresistive acceleration sensor having a bridge-type piezoresistive body using same method. The present invention may: ...
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WO/2021/065142A1 |
A piezoelectric sound-generating component 1 provided with: a diaphragm 2 which has a substrate 10, a piezoelectric plate 23, and a pair of electrodes 24 and vibrates when a voltage is applied to the pair of electrodes 24; a case 6 which...
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WO/2021/066211A1 |
Disclosed are a foreign matter removal device and an autonomous driving system using same. The foreign matter removal device includes: a sensor which receives radio waves from the outside; a cover which covers effective radio wave transm...
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WO/2021/059782A1 |
Provided are a polymer composite piezoelectric body having high piezoelectric properties, and a resin composition for manufacturing said polymer composite piezoelectric body. The present invention pertains to: a resin composition conta...
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WO/2021/060512A1 |
Provided is an elastic wave device that makes it possible to achieve size reduction but also increase Q value and that also makes it possible to adjust resonant frequency. An elastic wave device (1) that comprises a piezoelectric layer (...
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WO/2021/059674A1 |
The piezo actuator according to the present technique is provided with: a piezo element having a substantially cuboid shape, having a longitudinal direction set as an expansion and contraction direction, and having one surface set as a m...
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WO/2021/061300A1 |
A controller associated with an engine monitoring system may determine a voltage value concerning at least one supercapacitor associated with the engine monitoring system. The controller may selectively cause, based on determining whethe...
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WO/2021/060755A1 |
An electronic device is provided. The electronic device includes a housing, a display that is visually exposed through one surface of the housing and that includes a display panel including a pixel array and a layer group including a plu...
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WO/2021/058200A1 |
A drive unit for haptic feedback on a touch surface comprises a first housing part for mechanical coupling to the touch surface and a second housing part, which is supported in a floating manner with respect to the first housing part. Th...
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WO/2021/055737A1 |
A multi-axis MEMS assembly is configured to provide multi-axis movement and includes: a first in-plane MEMS actuator configured to enable movement along at least an X-axis; and a second in-plane MEMS actuator configured to enable movemen...
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WO/2021/053886A1 |
This piezoelectric element (100) comprises a piezoelectric layer (110), a first electrode layer (120), a second electrode layer (130), and a connection electrode (140). The piezoelectric layer (110) has a first surface (111), a second su...
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WO/2021/053519A1 |
A doubly rotated quartz crystal resonator comprises a cantilever-mounted doubly rotated resonating element having a line of geometrical symmetry running from a supported end to a free end which is not perpendicular to the resonating elem...
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WO/2021/053892A1 |
Provided is a piezoelectric device (100) in which a membrane part (120) is indirectly supported by a base part (110), is located on the upper side relative to the base part (110), and is formed of a plurality of layers (130). The membran...
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WO/2021/054558A1 |
The present invention relates to a transparent ultrasonic sensor. The transparent ultrasonic sensor may comprise: a matching part which performs optical impedance matching and is made of a transparent material; a piezoelectric layer whic...
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WO/2021/052535A1 |
The invention relates to a piezoelectric generator (1) comprising a planar piezoelectric material (2) and a tensioning element (5), wherein the planar piezoelectric material (2) is fastened to two opposite ends (51, 52) of the tensioning...
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WO/2021/053884A1 |
A piezoelectric element (100) according to the present invention is provided with a piezoelectric layer (110), a first electrode layer (120) and a second electrode layer (130). The piezoelectric layer (110) has a first surface (111) and ...
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WO/2021/053933A1 |
This piezoelectric element (100) comprises a piezoelectric layer (110), a first electrode layer (120), a second electrode layer (130), and a connection electrode (140). At least a portion of the second electrode layer (130) faces the fir...
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WO/2021/053998A1 |
Provided is a haptic device comprising: a circuit board having a first surface; an organic piezoelectric film that has piezoelectric characteristics and is disposed on the first surface side of the circuit board; a plurality of electrode...
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WO/2021/049417A1 |
Provided is a treadmill comprising a means that makes it possible, even in a treadmill in which a space below an upper region of an endless belt is limited in height, to detect a force acting on the upper region from an object located on...
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