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Matches 1 - 50 out of 53,514

Document Document Title
WO/2021/068064A8
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 ...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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 ...  
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: ...  
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...  
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...  
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...  
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 (...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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...  
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...  
WO/2021/050853A1
Methods for improving the electromechanical coupling coefficient and bandwidth of micromachined ultrasonic transducers, or MUTs, are presented as well as methods of manufacture of the MUTs improved by the presented methods.  
WO/2021/049149A1
A piezoelectric sensor wherein: a piezoelectric film is arranged between a first electrode and a second electrode on one surface of a flexible substrate; the first electrode, the second electrode and the piezoelectric film are covered by...  
WO/2021/049100A1
In a piezoelectric element (100), a second electrode layer (130) is located on a second face (112) side of a single crystal piezoelectric layer (110). The second electrode layer (130) has a hole portion (131) that faces a through-hole (1...  
WO/2021/048103A1
The invention relates to a method for determining a set-point voltage for a piezoelectric actuator system to achieve a desired optical response of the piezoelectric actuator system, such as an optical power. The method is based on a math...  
WO/2021/050828A1
A structure includes a substrate including a wafer or a portion thereof; and a piezoelectric bulk material layer comprising a first portion deposited onto the substrate and a second portion deposited onto the first portion, the second po...  
WO/2021/049292A1
A transducer has: a piezoelectric element (10) comprising a piezoelectric membrane (13) sandwiched between a pair of electrodes (11, 12); a membrane body (15) comprising a vibration membrane (16) that can be displaced in the membrane thi...  
WO/2021/049180A1
This piezoelectric sensor is provided with: a stress imparting layer having, on one surface thereof, a predetermined area where a plurality of stress imparting grooves extending in parallel with a first direction are formed; and a piezoe...  
WO/2021/043878A1
The invention relates to a ferroelectric, which has a piezoelectric material having a hafnium proportion of 2% or less, to the use of a ferroelectric of this type in energy generation and for implementation in memory, processor and senso...  
WO/2021/044744A1
The piezoelectric actuator of the present disclosure comprises: a piezoelectric element; and a case in which the piezoelectric element is housed and which deforms correspondingly with respect to the expansion and contraction of the piezo...  
WO/2021/011220A3
An ultrasonic probe that comprises an ultrasonic transducer that includes an array of transducer elements and an attenuation material is provided. The attenuation material comprises a polymer composition that includes a liquid crystallin...  
WO/2021/042343A1
A method for forming a bulk acoustic wave resonance device, comprising: (S201) forming a first layer, which comprises: providing a first substrate; forming a piezoelectric layer located on the first substrate; forming a first electrode l...  
WO/2021/044683A1
[Problem] To provide a nitride piezoelectric body which has a higher performance index (at least one among d33, g33, and K2) value than aluminum nitride with no additional element, and a MEMS device using the same. [Solution] A piezoelec...  

Matches 1 - 50 out of 53,514