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Matches 701 - 750 out of 53,331

Document Document Title
WO/2018/180770A1
[Problem] To provide: a piezoelectric composition able to achieve a balance between mechanical strength and electromechanical coupling coefficient k31; and a piezoelectric element comprising the piezoelectric composition. [Solution] A pi...  
WO/2018/180630A1
An actuator device (24, 25; 222, 240) includes: an actuator (24, 222); and a wiring member (25; 101; 111; 131; 250). The actuator includes: driving elements (41; 240) each including a first electrode (42; 233) and a second electrode (44;...  
WO/2018/178562A1
A method is disclosed for adjusting the stress state of a piezoelectric film (4) having a first stress state at room temperature, the method comprising a step of forming an assembly (1) including a carrier (2) having a thermal expansion ...  
WO/2018/182707A1
Electronic devices, computing devices, and related methods are disclosed. An electronic device includes an acoustic device on or in a semiconductor structure, and an acoustic isolator including a porous spin-on (PSO) dielectric configure...  
WO/2018/181160A1
A vibration presentation device 1 comprises: an electrostatic or piezoelectric actuator (10); a first elastic body (40) laminated on the actuator (10); a second elastic body (50) laminated on the actuator (10) on the opposite side to the...  
WO/2018/176976A1
A transmitter (3) of a trough-bit dipole acoustic logging device, the transmitter (3) comprises a substrate (32) and two piezoelectric ceramic plates (31) respectively located on two sides of the substrate (32); each of the piezoelectric...  
WO/2018/181641A1
Provided are a transducer in which it is possible to lessen an adhesive layer while reducing an electrode material, and a vibration presenting device in which said transducer is used. A transducer (1) comprising a first electrode sheet (...  
WO/2018/181261A1
Provided is a novel piezoelectric element that has a thin and long linear form as a whole, that enables an electrode to be easily taken out, and that can be easily manufactured. The piezoelectric element includes: a core wire which is co...  
WO/2018/180771A1
Provided is a piezoelectric composition that includes a complex oxide containing potassium and niobium, wherein the piezoelectric composition has excellent resistivity and the complex oxide includes a first phase represented by the compo...  
WO/2018/183495A1
The present disclosure relates to methods of manufacture of piezoelectric ceramic transducers useable, for example, in an ultrasound probe, using a poling process. The poling is accomplished without contacting transducer elements and by ...  
WO/2018/172372A1
The present invention relates to an especially medical apparatus (200) comprising at least one hard unit (201) having fluid lines (202) conducting an especially medical fluid, especially blood, through the hard unit (201); a converter (2...  
WO/2018/172351A1
The invention relates to a medical device (200) with at least one respective hard part (201) with fluid paths (202) for conducting a medical fluid, in particular blood, through the hard part (201); a converter (205, 207, 209, 210, 211), ...  
WO/2018/172364A1
The present invention relates to a medical apparatus (200) comprising at least one hard unit (201) having fluid lines (202) conducting a medical fluid, in particular blood, through the hard unit (201); at least one converter (205, 207, 2...  
WO/2018/138070A3
The invention relates to a method for producing a lead-zirconate-titanate-based ceramic part which has ferroelectric or piezoelectric properties. Prior to sintering, a getter material is added to the PTZ, said getter material preferably ...  
WO/2018/171848A1
The invention relates to a connector device for electronic musical instruments, such as electric guitars, the connector device comprising input electrical connector means (1, 2, 3), configured to receive electrical signals generated by p...  
WO/2018/175818A1
A device for orthodontic treatment is disclosed. The device includes a first actuator configured to be attached to an orthodontic appliance and located proximate to a dentition. A second actuator is configured to be attached to the ortho...  
WO/2018/167167A1
The invention relates to a device for generating a non-thermal atmospheric pressure plasma, having a piezoelectric transformer (1), which is designed to ignite a non-thermal atmospheric pressure plasma in a process medium, and having a c...  
WO/2018/167053A1
The invention relates to a part (11) which can be worn on the body and comprises at least one piezoelectric element designed to vibrate and thereby create a haptic perception of an acoustic signal. According to another aspect, the invent...  
WO/2018/167163A1
The invention relates to a device for producing a non-thermal atmospheric-pressure plasma, comprising a piezoelectric transformer (1), a control circuit (11), which is designed to apply an alternating voltage having a control frequency t...  
WO/2018/169299A1
A method for manufacturing an ultrasonic fingerprint sensor is provided. The method for manufacturing an ultrasonic fingerprint sensor comprises the steps of: providing a piezoelectric sheet-shaped ceramic sintered body sintered under ha...  
WO/2018/168659A1
A displacement magnification mechanism comprises: a substrate 200; a fixing part 2 provided on the substrate 200; an actuator 3 connected to the fixing part 2; a beam 5 that extends substantially parallel to the upper surface of the subs...  
WO/2018/167242A2
The invention relates to an actuator device, comprising at least one actuator element (10a; 10b; 10d; 10e; 10f), which consists at least partially of a magnetically shape-changing material and which is at least provided to cause a moveme...  
WO/2018/168658A1
A displacement enlargement mechanism comprises a substrate 200, a fixing part 2 provided on the substrate 200, a first actuator 3 connected to the fixing part 2, and a first beam 5 extending parallel to the upper surface of the substrate...  
WO/2018/167441A1
The invention concerns a method for manufacturing complexes for electric circuits, which involves using a dielectric polymer resin matrix loaded with particles (1) having at least one of the properties chosen from among piezoelectric, fe...  
WO/2018/168168A1
The present invention addresses the problem of providing a sensor unit having excellent detection accuracy. This sensor unit is provided with a sheet-shaped piezoelectric element, and a pair of sheet-shaped shield parts disposed on both ...  
WO/2018/167156A1
The invention relates to a device for producing a non-thermal atmospheric pressure plasma, having a first housing (11), in which a piezoelectric transformer (1) is arranged, and a second housing (15), in which a control circuit (14) is a...  
WO/2018/162333A1
An actuator comprises an electroactive material disposed in a gap between electrodes. The electroactive material is capable of deforming in response to an electrical stimulus such that the gap narrows towards a minimum electrode spacing....  
WO/2018/164047A1
Provided is a piezoelectric member which is improved in terms of adhesion of a metal electrode to a piezoelectric element. A piezoelectric member 102 is provided with: a piezoelectric element 21; and a pair of electrodes 41, 42 which are...  
WO/2018/159765A1
Provided is an electretized film composed of a cyclic olefin-based polymer, wherein the electretized film is a non-porous film, and has a thickness direction piezoelectric constant d33 of 100 pC/N or greater as measured by applying a pre...  
WO/2018/158206A1
The invention provides a field-driven electroactive material actuator that is driven by an actuation voltage. A driver is adapted to drive the actuation voltage from a first voltage level to a second voltage level, wherein the second vol...  
WO/2018/159772A1
Provided is a method of manufacturing a piezoelectric element in which, at a time when the piezoelectric element is manufactured, a piezoelectric material is prevented from being exposed to a temperature higher than a Curie temperature t...  
WO/2018/158625A1
A thermoelectric battery charger is able to absorb and utilize waste heat and convert it into electrical energy by thermoelectricity and thermal power using a special economizer, in such a way that electrical energy can be stored in ener...  
WO/2018/156079A1
According to various embodiments, there is provided an ultrasonic transducer including: a first electrode; a second electrode; and a plurality of piezoelectric nanostructures, each piezoelectric nanostructure having a first end coupled t...  
WO/2018/154139A1
There is presented an optical element (100, 500, 600, 700) comprising a support structure (101, 501) with a sidewall (112, 512), a bendable cover member (102, 502, 702) attached to the sidewall (112, 512), one or more piezoelectric actua...  
WO/2018/156334A1
Bending mode transducers are provided including a substrate made of a high density material, the substrate having a first surface and a second surface, opposite the first surface. A piezoelectric layer is provided on the first surface of...  
WO/2018/155276A1
This sensor comprises: a lower electrode layer that faces a cavity; a piezoelectric layer that is positioned on the lower electrode layer; and an upper electrode layer that is positioned on the piezoelectric layer. The piezoelectric laye...  
WO/2018/153705A1
An electroactive material actuator and sensor is actuated with an actuation signal having an activation period for charging the actuator and a de-activation period for discharging the actuator. A parallel resistance of the actuator is de...  
WO/2018/157050A1
Processes for fabricating capacitive micromachined ultrasonic transducers (CMUTs) are described, as are CMUTs of various doping configurations. An insulating layer separating conductive layers of a CMUT may be formed by forming the layer...  
WO/2018/156345A1
Ultrasonic devices include a transducer having a piezoelectric element therein that may operate as an acoustic signal receiving surface and/or an acoustic signal generating surface. At least one acoustic matching layer is provided on the...  
WO/2018/153708A1
A field-driven electroactive polymer actuator is provided with a current sensor for sensing a current flowing to the actuator. A control circuit is used for driving the actuator which includes a voltage source. The driving of the actuato...  
WO/2018/150844A1
A piezoelectric element is provided with a lower electrode, an upper electrode and a piezoelectric body layer arranged between the lower electrode and the upper electrode. The piezoelectric body layer is composed of (niobium-manganese)-a...  
WO/2018/136618A3
Fluid delivery devices and methods are described, where the device may comprise a piezoelectric actuator operatively coupled to an ampoule with fluid, under a preloading force. The ampoule may comprise a thin-walled thermoplastic package...  
WO/2018/151547A1
The present invention relates to a biometric information recognition apparatus. The biometric information recognition apparatus according to the present invention may comprise: a piezoelectric sensor array including a plurality of piezoe...  
WO/2018/151440A1
The present invention relates to a haptic feedback button. The present invention comprises: a substrate; a lower electrode provided on an upper portion of the substrate, and formed by patterning a ground electrode and a touch sensing ele...  
WO/2018/151899A1
A β-phase PVDF is prepared through a controllable dehydrofluorination under either a basic or high temperature condition. PVDF is degraded by losing hydrogen fluoride (HF) and either carbon-carbon double bonds form in the molecular back...  
WO/2018/148510A1
Described herein is a ruggedized microelectromechanical ("MEMS") force sensor including both piezoresistive and piezoelectric sensing elements and integrated with complementary metal-oxide-semiconductor ("CMOS") circuitry on the same chi...  
WO/2018/148715A1
A microfluidic-based device and system is disclosed for the high-throughput intracellular delivery of biomolecular cargo to cells (eukaryotic or prokaryotic) or enveloped viruses. Cargo integration occurs due to transient membrane permea...  
WO/2018/145340A1
A shear vibration-based piezoelectric composite material and a preparation method therefor. The piezoelectric composite material comprises piezoelectric materials (1) and a passive material (2); the piezoelectric materials comprise a pie...  
WO/2018/148503A1
Described herein is a ruggedized wafer level microelectromechanical ("MEMS") force sensor including a base and a cap. The MEMS force sensor includes a flexible membrane and a sensing element. The sensing element is electrically connected...  
WO/2018/144866A1
A single die driver integrated circuit is coupled to an input portion having a single inductor receiving a low voltage source and configured to drive a capacitive load with an output voltage. The driver includes a bidirectional synchrono...  

Matches 701 - 750 out of 53,331