|
Match
|
Document |
Document Title |
|
|
7619349 |
Piezoelectric driven MEMS device
It is made possible to provide a piezoelectric driven MEMS device having the distance between the action end and the fixed electrode which is kept constant regardless of whether the residual strain...
|
|
|
7610089 |
Implantable strain sensor for medical diagnostics
Embodiments include strain sensor devices for detecting movement, morphological changes or other physical parameters within a patient's body tissue. Some embodiments are directed specifically to...
|
|
|
7605965 |
Optical deflector
An optical deflector includes a mirror having a reflective plane; a torsion bar extending outwardly from a side of said mirror; a support surrounding said mirror; a piezoelectric cantilever...
|
|
|
7592740 |
Miniature drug delivery pump with a piezoelectric drive system
A drug delivery pump which uses a piezoelectric drive system to advance a small syringe piston to deliver a liquid drug and a method thereof are disclosed. The present invention has a cost and size...
|
|
|
7592739 |
Tunable bulk acoustic wave MEMS micro-resonator
A suspended film bulk acoustic micro-resonator that includes a beam made of a piezoelectric material fixed to a support and sandwiched between excitation electrodes. The resonator also includes a...
|
|
|
7586243 |
Methods and systems for improving optical flatness in a path length control driver
A piezoelectric transducer is described that is configured for use within a path length control apparatus of an optical device. The transducer comprises at least one void formed within a central...
|
|
|
7583012 |
Piezoelectric element and method for manufacturing piezoelectric element
There is a need for a piezoelectric element capable of improving a productivity and a yield without impairing the piezoelectric characteristic and a method for manufacturing the same. A...
|
|
|
7567641 |
Sample rate conversion systems with an independent internal oscillator
Because of the natural ability to reject clock jitter, the SRC circuits include an internal oscillator to provide an operating clock signal. The internal oscillator can be operated independently of...
|
|
|
7567018 |
Micro-mechanical device, micro-switch, variable capacitor high frequency circuit and optical switch
A micro-mechanical device includes a first piezoelectric actuator including a piezoelectric film, and lower and upper electrodes interleaving the piezoelectric film, and extending from a first...
|
|
|
7559130 |
Method for fabricating quartz-based nanoresonators
A method for fabricating a quartz nanoresonator which can be integrated on a substrate, along with other electronics is disclosed. In this method a quartz substrate is bonded to a base substrate....
|
|
|
7559128 |
Method of manufacturing a piezoelectric/electrostrictive device
A piezoelectric/electrostrictive device is provided including a substrate section and an operation section disposed on the substrate section. The operation section includes a...
|
|
|
7555824 |
Method for large scale integration of quartz-based devices
Methods for integrating quartz-based resonators with electronics on a large area wafer through direct pick-and-place and flip-chip bonding or wafer-to-wafer boding using handle wafers are...
|
|
|
7518289 |
Actuator
An actuator, comprising at least one beam capable of generating flexural oscillations, at least one pair of electric supply terminals ( 23, 24 ) which supply oscillation-inducing electric power to...
|
|
|
7483339 |
Acoustic projector and method of manufacture
An underwater acoustic projector comprising one or more cylindrical shell segments ( 8 ), each shell segment ( 8 ) having an even number of drivers ( 10 ) mounted therein, and the method of...
|
|
|
7482734 |
Piezoelectric/electrostrictive device and method of driving piezoelectric/electrostrictive device
A piezoelectric/electrostrictive device is provided, including a rotor substantially in the form of a rectangular parallelepiped. The rotor has a pair of opposed surfaces, a first movable section...
|
|
|
7477003 |
Bimorph element, bimorph switch, mirror element, and method for manufacturing these
There is provided a bimorph element including a silicon oxide layer, a high expansion coefficient layer that is formed on the silicon oxide layer and has a thermal expansion coefficient higher than...
|
|
|
7471031 |
Piezoelectric MEMS element and tunable filter equipped with the piezoelectric MEMS element
In a MEMS type variable capacity having a piezoelectric driving mechanism, a movable head having movable electrodes are arranged thereon, stationary electrodes is positioned to face the movable...
|
|
|
7468573 |
Method of providing tactile feedback
A method provides tactile feedback emulating a click like feedback provided by one or more low cost, thin piezoelectric devices ( 142 ) to an input device ( 110 ) of an electronic device ( 100 ),...
|
|
|
7449818 |
Actuator and method of manufacturing actuator module
An object of the present invention is to provide a thin and light-weight actuator module structure comprising a multi-layer structure such as a bimorph or unimorph structure that can be formed in...
|
|
|
7446459 |
Hybrid piezoelectric energy harvesting transducer system
A hybrid piezoelectric energy harvesting transducer system includes: (a) first and second symmetric, pre-curved piezoelectric elements mounted separately on a frame so that their concave major...
|
|
|
7446457 |
Semiconductor device using piezoelectric actuator formed by use of MEMS technique
A semiconductor device includes beam portions and piezoelectric portions. Each of the beam portions is formed to extend in a first direction with one end fixed at a substrate by use of a supporting...
|
|
|
7443078 |
Piezo action applied
This invention expands functions possible with electric equipment using charge contorting Piezo technology. We replace engines and motors with Piezo units. These power electric vehicles using...
|
|
|
7443076 |
Diffractive thin-film piezoelectric light modulator and method of fabricating the same
Disclosed herein is a diffractive thin-film piezoelectric light modulator, in which a lower protective layer is formed on a lower support to prevent the lower support from being over-etched when...
|
|
|
7427819 |
Film-bulk acoustic wave resonator with motion plate and method
An apparatus and method for measuring a target environmental variable (TEV) that employs a film-bulk acoustic resonator with motion plate. The film-bulk acoustic resonator (FBAR) includes an...
|
|
|
7397166 |
Electroactive polymer-actuated peristaltic pump and medical lead incorporating such a pump
A peristaltic pump for conveying a fluid comprises a flexible tube having an outer surface and a lumen for carrying the fluid such as a therapeutic agent. The tube has a length defined by opposed...
|
|
|
7394181 |
Hybrid eletromechanical actuator and actuation system
A hybrid electromechanical actuator has two different types of electromechanical elements, one that expands in a transverse direction when electric power is applied thereto and one that contracts...
|
|
|
7378778 |
Piezoelectric/electrostrictive device and method of producing the same
A piezoelectric/electrostrictive device includes a base 11 having a pair of movable parts 11 a , 11 b opposing each other and a connecting part 11 c that connects movable parts 11 a , 11 b ...
|
|
|
7368860 |
High performance piezoelectric actuator
A high performance piezoelectric actuator. The actuator includes a piezoelectric material exhibiting a selectively tapered width sufficient to enhance actuator fracture load capabilities. A passive...
|
|
|
7358647 |
Piezoelectric/electrostrictive device
A piezoelectric/electrostrictive including a pair of mutually opposing vibration plates, each having a first portion and a second portion, a fixation section joined to the first portion of each of...
|
|
|
7345405 |
Piezoelectric/electrostrictive device and method of manufacturing same
The present invention provides a piezoelectric/electrostrictive device including a pair of thin plate sections in an opposed relation to each other, a fixing section for supporting the thin plate...
|
|
|
7332849 |
Method and transducers for dynamic testing of structures and materials
A transducer for dynamic testing of specimen is disclosed. The transducer comprises at least two equally-spaced actuators, and a supporting block for supporting the at least two equally-spaced...
|
|
|
7323632 |
Percussion transducer
A ring-shaped percussion transducer for converting a striking impact into a representative electrical pulse triggering signal is suitable for mounting on the center axis of a percussion instrument....
|
|
|
7313854 |
Method of manufacturing a tactile sensor
A method of manufacturing a tactile sensor, which is capable of implementing a wide range of senses, including sensing contact pressure (vertical force and horizontal force) with an external object...
|
|
|
7312955 |
Disk drive piezoelectric actuator with coupling portion extending across a slit between flexible substrates
A piezoelectric actuator with a reinforced bending mode to suppress bending resonance caused by extension/contraction movements of the piezoelectric actuator and a disk drive using the...
|
|
|
7312559 |
Stator and ceramic tube type ultrasonic motor using the same
The present invention relates to a ceramic tube type ultrasonic motor having a stator including a tube-type elastic body that is formed of a ceramic material; and a plurality of piezoelectric...
|
|
|
7309950 |
Piezoelectric device, liquid discharge head employing this device and liquid discharge apparatus
A piezoelectric device includes a piezoelectric member and a pair of electrodes, and for piezoelectric constants d 33 and d 31 of the piezoelectric member, the following relational expression (I)...
|
|
|
7304416 |
Maximizing power generation in and distributing force amongst piezoelectric generators
It is an object of the present invention to array and utilize piezoelectric generators. It is also an object of the invention to implement properly configured piezoelectric generators into...
|
|
|
7301690 |
Micro-optical arrangement
The invention relates to a micro-optical arrangement with which in particular optical properties of an optical element or its influencing of electromagnetic radiation may be changed. Thereby the...
|
|
|
7288762 |
Fine-adjustment mechanism for scanning probe microscopy
The invention provides a fine-adjustment mechanism for a scanning probe microscopy with high rigidity and high degree of measurement accuracy wherein a strain gauge displacement sensor which can be...
|
|
|
7279823 |
Piezoelectric actuator and liquid jet head
A piezoelectric actuator comprising an optimum layer structure when (100) orientation strontium ruthenate is used as a bottom electrode is provided. This piezoelectric actuator comprises a...
|
|
|
7268466 |
Piezo electric pump and device with such pump
A measuring device for measuring in an ear canal includes a probe for insertion into an ear canal having an opening for letting air in to and out of the ear canal, and a pump for providing a...
|
|
|
7266868 |
Method of manufacturing liquid delivery apparatus
A method of manufacturing a liquid delivery apparatus comprising: a plurality of pressure chambers accommodating a liquid; nozzles communicating with the respective chambers; and a plurality of...
|
|
|
7265481 |
Piezoelectric actuator and fluid ejection head having the same
A first common electrode is formed on a vibration plate and to be fixed at a predetermined potential. A first piezoelectric layer is laminated on the first common electrode and having a first...
|
|
|
7247976 |
Piezoelectric vibrator
A piezoelectric vibrator having excellent shock resistance and high reliability is offered. The centers of first and second piezoelectric vibrating plates are supported by pillars on a main surface...
|
|
|
7245062 |
Device for converting mechanical energy into electrical energy
An apparatus for conversion of mechanical energy to electrical energy having a piezo transducer ( 1 ), which is formed from two or more layers, and having a mass/spring system ( 2, 3, 4 ), which...
|
|
|
7245057 |
Micro-electromechanical structure resonator frequency adjustment using radiant energy trimming and laser/focused ion beam assisted deposition
The invention relates to a microbeam oscillator. Tuning of the oscillator is carried out by addition or subtraction of material to an oscillator member in order to change the mass of the oscillator...
|
|
|
7242129 |
Piezoelectric and electrostatic microelectromechanical system actuator
Provided is a microelectromechanical system (MEMS) actuator in which a cantilever piezoelectric actuator and a comb actuator are combined to perform dual shaft drive. The MEMS includes: a...
|
|
|
7239066 |
Piezoelectric generators and methods of operating same
A piezoelectric power generator ( 20, 120 ) comprises plural piezoelectric devices ( 22, 122 ); an actuator ( 24 ) positioned to impart an excitation to the plural piezoelectric devices ( 22, 122 )...
|
|
|
7237315 |
Method for fabricating a resonator
A method for fabricating a quartz nanoresonator which can be integrated on a substrate, along with other electronics is disclosed. In this method a quartz substrate is bonded to a base substrate....
|
|
|
7215064 |
Piezoelectric switch for tunable electronic components
A piezoelectric switch for tunable electronic components comprises piezoelectric layers, metal electrodes alternated with the layers and contact pads. Cross voltages are applied to the electrodes,...
|