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6879089 |
Damped longitudinal mode optical latching relay
A piezoelectric optical relay is disclosed in which a solid slug moves within a switching channel formed in relay housing. An optical path passing through the switching channel is blocked or...
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6876132 |
Method and structure for a solid slug caterpillar piezoelectric relay
A method and structure for an electrical switch. A gas-filled chamber is housed within a solid material. Contacts within the gas-filled chamber are coupled to the solid material, while a plurality...
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6876133 |
Latching relay with switch bar
An electrical relay that uses a conducting liquid in the switching mechanism. In the relay, a pair of switching contacts is attached to the free end of a switch bar and positioned between a pair of...
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6876130 |
Damped longitudinal mode latching relay
A piezoelectric relay is disclosed in which a solid slug moves within a switching channel formed in relay housing. An electrical circuit passing between fixed contact pads in the switching channel...
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6876131 |
High-frequency, liquid metal, latching relay with face contact
An electrical relay using conducting liquid in the switching mechanism. The relay is amenable to manufacture by micro-machining techniques. In the relay, two electrical contacts are held a small...
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6873088 |
Vibratory beam electromechanical resonator
A resonator formed by the steps of defining an active single-crystal silicon layer delimited by a buried insulator layer, depositing a silicon-germanium layer by a selective epitaxy method so that...
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6873087 |
High precision orientation alignment and gap control stages for imprint lithography processes
Processes and associated devices for high precision positioning of a template an substrate during imprint lithography includes a calibration system with a course calibration stage and a fine...
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6873089 |
Piezoelectric device for injector
A piezoelectric device for an injector is built into an injector and generates driving force of the injector. A relation d(0.1Ec)/d(1.2Ec)≧0.50 is established between an apparent piezoelectric...
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6870306 |
Overlapping type piezoelectric stator, overlapping type piezoelectric actuator and applications thereof
Piezoelectric elements ( 1 ) are overlapping on a stator ( 11 ) in the same direction as shown in FIG. 3 . Since a fixed end ( 6 ) of a piezoelectric element ( 1 ) is fixed to a foundation ( 4 ),...
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6867534 |
Low-mass and compact stage devices exhibiting six degrees of freedom of fine motion, and microlithography systems comprising same
Low-mass and compact stage devices are disclosed that exhibit, compared to conventional stage devices, reduced magnetic field fluctuations. An embodiment of such a stage device includes an X-Y...
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6867533 |
Membrane tension control
An electrostrictive polymer actuator comprises an electrostrictive polymer with a tailorable Poisson's ratio. The electrostrictive polymer is electroded on its upper and lower surfaces and bonded...
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6864620 |
Matrix type actuator
A matrix type piezoelectric/electrostrictive (PIE) actuator includes a plurality of piezoelectric/electrostrictive elements, each including a piezoelectric/electrostrictive body and at least one...
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6852463 |
Apparatus for producing toner, method for producing toner, and toner
An apparatus for the production of a toner from a starting material having a fluidity includes a head portion and a solidifying portion. The head portion for ejecting the starting material includes...
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6849989 |
Translation and rotation positioning motor
A positioning device provides the capability of moving an object in both a linear and a rotational direction. The positioning device includes a first piezo stack with plural piezo plates that are...
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6847155 |
Electroactive apparatus and methods
High performance electromechanical devices suitable for a wide range of applications are described. The electroactive devices are capable of operating in a manner that offers enhanced mechanical...
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6845920 |
Piezoelectric element and injector using the same
A piezoelectric element and an injector using the same piezoelectric element are disclosed, which are so high in reliability as not to be shorted even in a high humidity environment, are small in...
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6844657 |
Microelectromechanical system and method for producing displacement multiplication
A microelectromechanical system is disclosed that provides amplified movement without requiring the use of a displacement multiplier. Generally, a lever or the like is interconnected with a...
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6838808 |
Stage-actuators that do not generate fluctuating magnetic fields, and stage devices comprising same
Stage devices are disclosed having especial utility in certain types of microlithography systems. The stage devices impart controlled motion to a stage or platform without generating fluctuating...
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6834419 |
Method of producing sensor element
The invention relates to an electromechanical drive or a sensor element composed of piezoelectric elements arranged in the form of a stack. The drive or the sensor element is intended for...
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6836056 |
Linear motor having piezo actuators
The present invention provides an apparatus for moving a member including a first clamp assembled to a fixed surface for selectively clamping the member and a second clamp moveable with respect to...
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6836057 |
Drive mechanism employing electromechanical transducer
An actuator using the vibration caused by a piezoelectric element. The actuator includes: a base; a vibratory rod bonded to the base; an piezoelectric element bonded to the vibratory rod; and a...
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6833656 |
Electro active devices
The present invention relates to an electro-active device having an electro-active structure extending along a minor axis ( 36 ) which is curved, for example in a helix around a major axis ( 37 )....
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6831393 |
Linear actuator
A linear actuator is an actuator for directly driving (moving) a slider. The linear actuator has an actuator unit constituted by the slider and an actuator body on which the slider is movably...
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6822373 |
Broadband triple resonant transducer
The present invention relates to a broadband transducer which comprises a tail mass located at a first end of the transducer, an active compliant driver section positioned adjacent the tail mass, a...
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6822536 |
Longitudinally coupled multi-mode piezoelectric bulk wave filter device, longitudinally coupled multi-mode piezoelectric bulk wave filter, and electronic component
A longitudinally coupled multi-mode piezoelectric bulk wave filter device which is manufactured at low cost, presents a wide bandwidth, results in a large attenuation, and includes first and second...
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6815872 |
Ultrasonic transducer system having an organic-structural-material housing
An ultrasonic transducer system has at least one ultrasonic transducer. Each ultrasonic transducer includes a housing having a wall that is made at least in part of an organic structural material...
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6811093 |
Piezoelectric actuated fuel injectors
A fuel injector including a piezoelectric actuator directly attached to a metering rod wherein when the actuator is distorted in proportion to an input voltage, the metering rod moves to vary the...
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6809460 |
Position control apparatus and method for table member
There is provided a position control apparatus and method for a table member which is capable of controlling the positioning of the table through very small displacement thereof, to thereby prevent...
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6809461 |
Drive unit
A drive unit includes a drive shaft at an end of a vibrating element that expands and contracts in the predetermined axial direction by application of a predetermined voltage, wherein a movable...
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6806626 |
Electronic component
In a piezoelectric resonator, first and second resonance electrodes are provided on the upper surface and the lower surface of a piezoelectric member, inner electrode layers for leading the first...
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6806621 |
Electroactive polymer rotary motors
The present invention relates to mechanical-electrical power conversion systems. The systems comprise one or more electroactive polymers that convert between electrical and mechanical energy. When...
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6800984 |
Piezo linear drive with a group of piezo actuator stacks as well as method for operating such a drive
A piezo linear drive including a group of piezo actuator stacks configured to drive a moving member located in a guidance device, and located on a joint substrate in a hybrid arrangement; wherein...
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6800988 |
Voltage and light induced strains in porous crystalline materials and uses thereof
A piezoelectric device is disclosed, which includes a first element of porous crystalline material, a second element being attached to, or integrally formed with, the first element, and at least...
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6800986 |
Piezoelectric sensor
A piezoelectric device includes electrode films and piezoelectric ceramic layers. The piezoelectric ceramic layers have a number of at least 4 and are alternately laminated with the electrode...
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6798118 |
Piezoceramic shaft-driving type ultrasonic motor
A kind of piezoceramic shaft-driving type ultrasonic motor is a piezoelectric disc device as the driving stator of the motor in which the A.C power is supplied to form extend-contract motion of...
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6798120 |
Apparatus and method for manipulation of an object
An apparatus for manipulating an object. The apparatus comprises a pair of actuated compliant beams that are mounted substantially perpendicular to each other.
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6794795 |
Method and apparatus for exciting a piezoelectric material
Apparatus and methods for exciting a piezoelectric device. A control device receives a first control signal excites the piezoelectric device at about at least one predetermined electrical resonant...
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6787972 |
Piezoelectric rotary pump
A high power and high torque density piezoelectric axial pump is developed using torsional actuator tube (stator) directly coupled to the rotor via two one way clutches. A cylindrical torsional...
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6787973 |
Device for transmitting an excursion of an actuator
A device for transmitting the deflection of an actuator ( 2 ), comprising at least one transmission element ( 4 ) that has a first, a second and a third support zone, said first support zone ( 6 )...
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6784599 |
Piezoelectric actuator
A piezoelectric actuator for actuating a mechanical component includes a piezoelectric element, for subjecting an actuating element to a tensile force or compressive force, and a compensating...
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6779878 |
Piezoelectronic actuator and liquid jetting head
The present invention provides an optimum layer structure for a piezoelectric actuator in which (100) orientation strontium ruthenate is used as a bottom electrode. The piezoelectric actuator...
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6781286 |
Piezoelectric driving device
A piezoelectric driving device of the present invention prevents a short circuit from occurring between electrode metallic films even if bonding-wire is performed. The piezoelectric driving device...
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6781290 |
Piezoelectric actuator, method of manufacturing the same, ink-jet head using the same, and ink-jet printer
A piezoelectric actuator includes a single-crystal piezoelectric thin film having a crystal orientation aligned with the crystal orientation of a single-crystal Si substrate, and first and second...
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6781289 |
Piezo actuator
A piezoelectric actuator in which a piezoelectric element is present for subjecting an actuating element to a tensile or compressive stress. A sleeve is secured to a foot part, to which the...
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6777856 |
Crystal element for piezo sensors
A piezoelectric crystal with transversal effect comprising: at least one plate; and, at least one base at an angle to the at least on plate, the at least one base projecting laterally beyond a...
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6774538 |
Multi-degree-of-freedom drive mechanism
In order to provide a multi-degree-of-freedom drive mechanism which is capable of preventing a malfunction with a simple structure, the multi-degree-of-freedom drive mechanism includes at least two...
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6774539 |
High pressure, high speed actuator
An actuator for applying an actuating force through a total displacement. The actuator includes: an actuator body; n piezo members supported by the body where n is an integer greater than or equal...
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6771005 |
Apparatus and method for adjusting the pre-load of a spring
A pre-loaded spring mechanism includes a piezoelectric device and a pre-loaded spring operatively connected to the device. A voltage source is coupled to the piezoelectric device to apply a voltage...
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6771004 |
Actuator using displacement element
Piezoelectric elements 10 and 10 ′ are driven so as to satisfy the relationship Nt=X0(1/(1/k2+1/k3)−1/(1/k1+1/k2+1/k3)) when the drive member, tip 20 , and driven member, rotor 40 , are...
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6765336 |
Precision positioning unit and linear movement control unit
A precision positioning unit composed of a table on which an article is to be placed, a linearly movable rod which is connected with the table at one end and further connected with a rod actuating...
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