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US20110190799 ULTRASONIC TRANSDUCER SYSTEM  
A transducer stack (10) includes rings (16) of piezo-electric ceramic alternating with metal electrodes (18) along a threaded central shaft (32) extending from a titanium back plate (20). A spacer...
US20060056999 Piezoelectric actuator and pump using same  
A method of manufacturing piezoelectric actuators (14) is disclosed along with a miniature diaphragm pump (10) using the actuators. The object was an actuator which could be used in miniature...
US20070267940 COMPRESSOR AND COMPRESSION USING MOTION AMPLIFICATION  
A compressor system (20, 20′, 20″) comprises a motion amplifier (22) which acts through a compressor head or piston (46) to compress fluid in a variable compression chamber (52). The motion...
US20090160914 PIEZOELECTRIC DEVICE, PROCESS FOR PRODUCING THE PIEZOELECTRIC DEVICE, AND INKJET RECORDING HEAD  
A process for producing a piezoelectric device constituted by a first electrode, at least one second electrode, and a piezoelectric film sandwiched between the first electrode and the at least one...
US20090164147 OMNI-DIRECTIONAL CRASH SENSOR  
A stress wave sensor comprising a piezoelectric film and means therein for connection to sensor electronics. The piezoelectric film preferably comprises polyvinylidene fluoride. Also a stress wave...
US20050236932 Ultrasonic transmitter/receiver, process for producing the same, and ultrasonic flowmeter  
An ultrasonic transducer according to the present invention includes a piezoelectric body 2 for transmitting and receiving an ultrasonic wave and acoustic matching layers 3a and 3b made of a dry...
US20070138914 WIRING STRUCTURE OF VIBRATOR, AND PIEZOELECTRIC PUMP  
The invention relates a wiring structure of a vibrator and a piezoelectric pump. On the basis of the recognition that it is difficult to obtain sufficient reliability of connecting parts with a...
US20070257580 Polishing Piezoelectric Material  
Devices having an actuator with polished piezoelectric material are described. Methods of forming a polished piezoelectric material include bonding a block of fired piezoelectric material onto a...
US20090159720 Sandwich Piezoelectric Ceramic Ultrasonic Atomizer  
A sandwich piezoelectric ceramic ultrasonic atomizer has two piezoelectric ceramic plates (1) and one metal sheet (2). The metal sheet is securely clamped between the two piezoelectric ceramic...
US20140267478 LIQUID EJECTING HEAD, LIQUID EJECTING APPARATUS AND ACTUATOR APPARATUS  
A liquid ejecting head includes a flow path formation substrate provided with a pressure generation chamber communicated with at least one nozzle opening through which liquid is ejected; and an...
US20070216264 Multilayer piezoelectric element  
A multilayer piezoelectric element has a plurality of piezoelectric layers and a plurality of internal electrodes stacked alternately. The piezoelectric layers contain an oxide containing an...
US20070001551 Sonic sensor and diaphragm  
A sonic sensor capable of improving sensitivity while enabling downsizing is provided. This sonic sensor comprises an electrode plate and a diaphragm including a charge storage member opposed to...
US20050199745 Method of assembling a fuel injector  
A method of assembling a fuel injector (8) comprising a fuel injector body having an accumulator volume (22) defined therein is described. The method comprises: providing an encapsulated actuator...
US20070096601 Drive unit  
A drive unit of the present invention includes a piezoelectric element, a drive friction member fixed to one end of the piezoelectric element, and a movable member frictionally fitted to the drive...
US20160114355 ULTRASOUND VIBRATION DEVICE, MANUFACTURING METHOD FOR ULTRASOUND VIBRATION DEVICE, AND ULTRASOUND MEDICAL APPARATUS  
An ultrasound vibration device includes a stacked transducer in which a plurality of piezoelectric substances and a plurality of electrode plates are stacked, an external shape of the stacked...
US20120027620 FORCED VIBRATION PIEZO GENERATOR AND PIEZO ACTUATOR  
Piezoelectric elements for power generation and/or actuation are described. An aspect is directed to generators utilizing piezoelectric elements for electrical power generation. Such a generator...
US20070247025 Piezoactuator  
a piezoactuator having at least one outer surface comprises a multilayer structure of at least one piezoelectric ceramic layer and at least two electrodes, with the at least one outer surface of...
US20130141564 PIEZOELECTRIC MOTOR, DRIVING DEVICE, ELECTRONIC COMPONENT INSPECTION DEVICE, ELECTRONIC COMPONENT CONVEYING DEVICE, PRINTING DEVICE, ROBOT HAND, AND ROBOT  
A vibrating body which is formed of a piezoelectric material and has a convex portion in an end surface is accommodated in a vibrating body case, the convex portion of the vibrating body is...
US20050268444 Method of producing a piezoelectric/electrostrictive device and piezoelectric/electrostrictive element  
A piezoelectric/electrostrictive device is provided, including a pair of mutually confronting thin plate portions, a fixing portion for supporting the pair of thin plate portions, movable portions...
US20050285481 Rotation/displacement converting actuator  
A rotation/displacement converting actuator has an actuator unit constituted by a displacing body and an actuator in which the displacing body can be linearly displaced. The actuator has a pair of...
US20100150754 PIEZOELECTRIC PUMP  
A pump body is provided including at least one inlet valve, at least one outlet valve, a substantially rigid top portion, a substantially rigid bottom portion, and collapsible side portions. The...
US20090153832 APPARATUS AND METHOD FOR ISOLATING VIBRATIONS IN A LITHOGRAPHY MACHINE USING TWO ACTIVE CONTROL UNITS  
An apparatus and method effectively isolate vibrations in a lithography machine. The apparatus and method include a first control for actively reducing the vibrations in a first frequency range...
US20070044296 METHOD OF MANUFACTURING FILM BULK ACOUSTIC WAVE RESONATOR  
The invention relates to a method of manufacturing an FBAR having a cap made of solid metal. The method includes preparing a substrate and stacking a lower electrode, a piezoelectric film and an...
US20060238074 Driving mechanism  
A driving mechanism comprises: (i) an actuator comprising: an electro-mechanical conversion element; and a driving member which moves according to the elongation or contraction of the...
US20080238258 Actuator  
To provide an actuator which is easily made a small size and flexible, and has a large displacement. The actuator comprises a rod-shaped actuator element, having one axial end thereof fixed,...
US20070138915 Piezoelectric micro-device for blockage removal  
A piezoelectric micro-disruptor capable of disrupting a blockage both mechanically and vibrationally is presented. The micro-disruptor includes a rotor, a stator disposed about and contacting the...
US20060066178 Piezoelectric actuator with strain-reducing structures  
A piezoelectric actuator has stacked ceramic layers of a piezoelectric material and electrodes situated between the layers to form a piezoelectric stack and having at least one structure that...
US20080203853 Method For Producing a Monolithic Piezo Actuator With Stack Elements, Monilithic Piezo Actuator With Stack Elements, and Use of the Piezo Actuator  
A piezo actuator has a stack element and at least one further stack element, wherein each of the stack elements has stacked piezoceramic layers and electrode layers arranged between the...
US20060207078 Laminate-type piezoelectric device and method for manufacturing the same  
A laminate-type piezoelectric device includes: a piezoelectric layer (2); and an internal electrode layer (3) which is laminated on the piezoelectric layer (2), has a lower surface flat along a...
US20130234561 High Speed Smart Material Actuator with Second Stage  
A smart material actuator apparatus having a smart material device, compensator, movable supporting member, two mechanical webs, two actuating arms, and a second stage assembly. Application of an...
US20080211350 PIEZOELECTRIC RESONATOR ELEMENT AND PIEZOELECTRIC DEVICE  
A piezoelectric resonator element includes: a base in a predetermined length, the base being made of a piezoelectric material; a plurality of resonating arms extending from a first end of the...
US20050057122 Multi-axes, sub-micron positioner  
A positioner for positioning an object with sub-micron resolution is disclosed. The positioner includes a first stage having a first stage housing and adapted to provide dual-axis motion for...
US20090102320 PIEZOACTUATOR  
A piezoactuator includes a piezoelement of a multilayer construction of piezolayers, with internal electrodes arranged between the piezolayers alternately having a differing polarity of an...
US20150243874 TRANSDUCERS WITH IMPROVED IMPEDANCE MATCHING  
A transducer (140) having a mechanical impedance over an operative frequency range and having a desired power coupling (145) to a load over the operative frequency range comprises a piezoelectric...
US20050047962 Ffe array dispenser  
A dispensing device for use in chemical analysis comprising at least two dispenser nozzles, a chamber having at least two inlets, a membrane entity constituting part of defining elements of said...
US20120154131 APPARATUS AND METHOD FOR TRANSMITTING FORCE VECTOR  
A force vector transferring apparatus to transfer a force vector to a finger of a human being. The force vector transferring apparatus may include an outer wall being formed of a hard material, an...
US20160056367 PIEZOELECTRIC ACTUATOR, LINEAR DRIVING DEVICE, AND ELECTRONIC APPARATUS  
A piezoelectric actuator, a linear driving device, and an electronic apparatus that are able to be miniaturized are provided. The piezoelectric actuator includes a vibration member in which a...
US20080101965 Piezoelectric Pump and Stirling Refrigerator/Freezer  
A piezoelectric pump includes a casing formed of a plurality of metallic members welded and thus joined together, a piezoelectric element dividing an internal space of the casing into a working...
US20140077660 SMART MATERIAL ACTUATOR  
A smart material actuator including a smart material stack and a compensator preventing expansion of the stack in a non-driving direction. When actuated, the smart material stack causes a force...
US20070085449 Electro-active valveless pump  
An electro-active, valveless pump having a pumping chamber with at least one chamber wall. There is at least one opening in the at least one chamber wall. An electro-active actuator is located...
US20060242807 PIEZOELECTRIC/ELECTROSTRICTIVE DEVICE AND METHOD FOR MANUFACTURING THE SAME  
A piezoelectric/electrostrictive device includes a stationary portion; a thin-plate portion supported by the stationary portion; and a piezoelectric/electrostrictive element including a plurality...
US20120279342 MOTOR, ROBOT HAND, AND ROBOT  
A motor including a driven unit; an actuator including a vibrating plate having, at an end thereof, a protrusion which is biased toward the driven unit and a piezoelectric body stacked on the...
US20070257581 Piezoelectric actuator and method of producing the same  
A piezoelectric actuator includes a stacked piezoelectric device received in a cylindrical case having an extendable and contractible portion formed at least at an axial part thereof, and a...
US20050127789 Piezoelectric motors and methods for the production and operation thereof  
A piezoelectric motor has a piezoelectric element that is connected to a resonator, and a driven element that interacts with the piezoelectric motor. During the service life of the motor and...
US20150214464 VIBRATION GENERATING DEVICE  
There is provided a vibration generating device including: a housing having an internal space; a vibrating member of which both end portions are fixed to the housing; a piezoelectric element fixed...
US20090079800 ACTUATOR AND LIQUID-EJECTING HEAD  
An actuator includes a piezoelectric element including a first electrode, a piezoelectric layer, and a second electrode and displaceably disposed above a substrate and a film covering side and top...
US20090072670 INPUT DEVICE AND METHOD FOR REGISTERING USER INPUT ON AN ELECTRONIC DEVICE  
The invention relates to an input device comprising a first conductive layer, a second conductive layer, and a piezoelectric material layer arranged in between the first conductive layer and the...
US20080238252 Piezoelectric resonant power generator  
A power generation system includes a piezoelectric component, a resilient stress inducer in operable communication with the piezoelectric component, and an actuator in operable communication with...
US20060158064 Piezoelectric sounding body and electronic device  
An enclosure of a cellular phone is formed with a plurality of sound releasing holes. The inside of a portion where the sound releasing holes are provided defines an air chamber formed with a...
US20050179345 Piezoelectric element and method of manufacturing the same  
An array of piezoelectric elements is easily manufactured by making insulating portions at side surfaces smaller. The piezoelectric element includes: a multilayered structure in which...
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