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US20140090470 VIBRATOR AND VIBRATING GYROSCOPE  
A vibrator in a vibrating gyroscope includes a circular annular portion, a rectangular annular portion, and joining portions. The rectangular annular portion is disposed adjacent to an outer side...
US20140132118 SLAT-CONSTRUCTED AUTONOMIC TRANSFORMERS  
Multilayered piezoelectric transformers, transformer elements and methods of constructing piezoelectric transformers are disclosed.
US20130278115 SLAT-CONSTRUCTED AUTONOMIC TRANSFORMERS  
Multilayered piezoelectric transformers, transformer elements and methods of constructing piezoelectric transformers are disclosed.
US20150062257 SODIUM NIOBATE POWDER, METHOD FOR PRODUCING THE SAME, METHOD FOR PRODUCING CERAMIC, AND PIEZOELECTRIC ELEMENT  
A sodium niobate powder includes sodium niobate particles having a shape of a cuboid and having a side average length of 0.1 μm or more and 100 μm or less, wherein at least one face of each of the...
US20130181575 Piezoelectric Based MEMS Structure  
In one embodiment, a method of deforming a MEMS structure includes providing a base layer, providing a first piezoelectric slab operably connected to a surface of the base layer, determining a...
US20110291526 PIEZOELECTRIC STACK COMPRESSION GENERATOR  
A stack of piezoelectric elements, in the form of an elongated rod divided in to segments, for generating electric energy in response to compressive stress is provided comprising: piezoelectric...
US20130253424 METHODS OF FABRICATING MULTI-DEGREE OF FREEDOM SHAPED ELECTROACTIVE POLYMER ACTUATORS/SENSORS FOR CATHETERS  
Disclosed is a method of fabricating a multiple degree of freedom actuator with inter-digitated electrodes including molding an electroactive polymer membrane so that a plurality of projections...
US20110140575 VIBRATING REED, VIBRATOR, PHYSICAL QUANTITY SENSOR, AND ELECTRONIC EQUIPMENT  
A resonator element includes: a base part; plural vibrating arms extended from the base part, each having a first principal surface and a second principal surface opposed to each other and a first...
US20100308693 Piezoelectric Stack Actuator Assembly  
A piezoelectric actuator assembly comprising at least a stack of interior piezoelectric wafers which, in one embodiment, each include first and second spaced-apart strips of conductive material...
US20080074006 MICRO-ELECTROMECHANICAL DEVICE  
A micro-electromechanical device includes a first piezoelectric actuator and a second piezoelectric actuator. The first piezoelectric actuator includes a first beam fixed on a substrate and a...
US20100072759 Piezoelectric Vibrational Energy Harvesting Systems Incorporating Parametric Bending Mode Energy Harvesting  
Vibrational energy harvesting (VEH) structures that include resonant beams each having a fundamental resonance frequency and a parametric mode frequency and including at least one piezoelectric...
US20140167571 PIEZOELECTRIC TRANSFORMER WITH HIGH EFFECTIVE ELECTROMECHANICAL COUPLING FACTORS  
The present invention relates to a piezoelectric transformer comprising an elongate piezoelectric ceramic body adapted to operate in fundamental thickness mode. The elongate piezoelectric ceramic...
US20110037351 Multilayer Piezoelectric Actuator  
A multilayer piezoelectric actuator having external electrodes formed on external surfaces of a multilayer piezoelectric body in which a plurality of internal electrodes and a plurality of...
US20150015643 PIEZOELECTRIC MATERIAL, PIEZOELECTRIC ELEMENT, AND ELECTRONIC EQUIPMENT  
A piezoelectric material contains a main component containing a perovskite-type metal oxide having the formula (1); a first auxiliary component composed of Mn; and a second auxiliary component...
US20130214650 PIEZOELECTRIC DEVICE AND METHOD FOR FABRICATING THE SAME  
A piezoelectric device includes a piezoelectric vibrating piece, a base plate, which has a connecting electrode on one principal surface and a mounting terminal on another principal surface, in a...
US20120187806 ULTRASONIC VIBRATION APPARATUS  
An ultrasonic vibration apparatus includes a vibrator including at least two vibration elements, at least three electrode portions, a bridging portion and an anti-vibration portion. The vibration...
US20110043080 Complex resonance circuit and oscillation circuit using the same  
A piezoelectric vibration device includes a single piezoelectric substrate, at least three electrode pairs formed on the single piezoelectric substrate, and two external connection terminal pairs,...
US20110242225 PIEZOELECTRIC ACTUATOR UNIT AND METHOD FOR TESTING PIEZOELECTRIC ACTUATOR UNIT  
A piezoelectric actuator unit includes: a wiring board; a piezoelectric actuator which is provided with a piezoelectric layer, a plurality of individual electrodes provided to the piezoelectric...
US20130169115 PIEZOELECTRIC VIBRATION PIECE AND PIEZOELECTRIC DEVICE  
A piezoelectric vibration piece includes a base made of a piezoelectric material; a plurality of vibration arms which is integrally formed with the base and extends in parallel; elongate grooves...
US20110260587 PIEZOELECTRIC VIBRATION PIECE AND PIEZOELECTRIC DEVICE  
A piezoelectric vibration piece includes a base made of a piezoelectric material; a plurality of vibration arms which is integrally formed with the base and extends in parallel; elongate grooves...
US20130049536 PIEZOELECTRIC QUASI-RESONANCE LINEAR MOTORS BASED ON ACOUSTIC STANDING WAVES WITH COMBINED RESONATOR  
A piezoelectric device includes a piezoresonator body (3) having opposing first and second surfaces and opposing third and fourth surfaces. The device also includes at least one common electrode...
US20150028249 PIEZOELECTRIC CERAMICS, PIEZOELECTRIC ELEMENT, LIQUID EJECTION HEAD, ULTRASONIC MOTOR, AND DUST REMOVING DEVICE  
Provided is a lead-free piezoelectric ceramics having enhanced mechanical quality factor (Qm) and mechanical strength. The piezoelectric ceramics, includes at least a first crystal grain and a...
US20150249201 COMPOSITE PIEZOELECTRIC CERAMIC AND PIEZOELECTRIC DEVICE  
A composite piezoelectric ceramic includes a compact of crystal particles including at least one of potassium niobate (KNbO3) and sodium niobate (NaNbO3) and optionally further including lithium...
US20150255703 CERAMIC POWDER, PIEZOELECTRIC CERAMIC, PIEZOELECTRIC ELEMENT, AND ELECTRONIC EQUIPMENT  
A ceramic powder contains a metal oxide represented by the following general formula (1). The ceramic powder has a single perovskite-type crystal phase. The ceramic powder is composed of particles...
US20130127302 Method for Producing a Piezo Actuator and Piezo Actuator  
A method for producing a piezo actuator includes: providing a green stack including alternately successive green films and inner electrode layers; forming trenches on the outside green stack in...
US20100060109 NANOTUBES, NANORODS AND NANOWIRES HAVING PIEZOELECTRIC AND/OR PYROELECTRIC PROPERTIES AND DEVICES MANUFACTURED THEREFROM  
Disclosed herein is a device comprising a pair of electrodes; and a nanotube, a nanorod and/or a nanowire; the nanotube, nanorod and/or nanowire comprising a piezoelectric and/or pyroelectric...
US20120234093 MICROELECTROMECHANICAL SYSTEM DEVICE INCLUDING A METAL PROOF MASS AND A PIEZOELECTRIC COMPONENT  
This disclosure provides systems, apparatus, and devices and methods of fabrication for electromechanical devices. In one implementation, an apparatus includes a metal proof mass and a...
US20140184029 MICROELECTROMECHANICAL SYSTEM-BASED RESONATOR DEVICE  
The disclosure provides a structure for a microelectromechanical system (MEMS)-based resonator device. The structure for the MEMS-based resonator device includes at least one resonator unit. The...
US20080129156 HONEYCOMB-TYPE PIEZOELECTRIC/ELECTROSTRICTIVE ELEMENT  
A honeycomb-type piezoelectric/electrostrictive element includes a honeycomb structure section having a partition wall which partitions cells passing through the honeycomb structure section in an...
US20100213792 MULTILAYERED PIEZOELECTRIC ELEMENT AND ULTRASONIC MOTOR  
A multilayered piezoelectric element in which first internal electrodes include first exposed portions formed at the end portion of a first piezoelectric material. And the second internal...
US20120007477 PIEZOELECTRIC ACTUATOR AND A METHOD OF MANUFACTURING THE SAME  
A piezoelectric actuator including first and second piezoelectric cantilevers is disclosed. Wirings are provided on an upper surface of a support body on which the first and second piezoelectric...
US20140055009 PIEZOELECTRIC CERAMIC AND PIEZOELECTRIC ELEMENT  
A piezoelectric ceramic is constituted by a polycrystal whose main phase is an alkali-containing niobate perovskite structure, where both elemental nickel and elemental manganese are present at...
US20150008798 PIEZOELECTRIC ELEMENT, ACTUATOR ELEMENT, ACTUATOR, POWER GENERATING ELEMENT, POWER GENERATING DEVICE AND FLEXIBLE SHEET  
A piezoelectric element is provided which enables superior piezoelectric effects to be attained while having a comparatively simple structure and being easy to produce. The piezoelectric element...
US20110174073 TUNING FORK-TYPE VIBRATOR, TUNING FORK-TYPE VIBRATOR MANUFACTURING METHOD, AND ANGULAR VELOCITY SENSOR  
A tuning fork-type vibrator includes a tuning fork-type vibrating body including a base and legs. The tuning fork-type vibrating body includes two piezoelectric substrates, an intermediate...
US20110215677 MICROMACHINED PIEZOELECTRIC ULTRASOUND TRANSDUCER ARRAYS  
A piezoelectric composite micromachined ultrasound transducer including single and multilayer 1-D and 2-D arrays having through-wafer-vias (TWVs) that significantly decreased electrical impedance...
US20130221808 PIEZOELECTRIC RESONATOR PLATE, PIEZOELECTRIC RESONATOR, METHOD FOR MANUFACTURING PIEZOELECTRIC RESONATOR PLATE, AND METHOD FOR MANUFACTURING PIEZOELECTRIC RESONATOR  
A piezoelectric resonator plate includes at least a pair of excitation electrodes and at least a pair of extraction electrodes. The pair of extraction electrodes are respectively extracted from...
US20120194285 VIBRATOR ELEMENT, VIBRATOR, OSCILLATOR, AND ELECTRONIC DEVICE  
A vibrator element includes: a base portion; and three vibrating arms that extend from the base portion in the Y axis direction. The vibrating arms are arranged in the X axis direction, include...
US20120137774 Non-Degenerate Mode MEMS Gyroscope  
Bulk acoustic wave (BAW) gyroscopes purposefully operate using non-degenerate modes, i.e., resonant frequencies of drive and sense modes are controlled so they are not identical. The resonant...
US20100156251 PIEZOELECTRIC ACTUATOR AND METHOD FOR PRODUCING IT  
The invention relates to a method for producing a piezoelectric actuator in which a metallization paste is applied to a sintered piezoelectric stack and a flexible metal electrode is arranged on...
US20140125199 PIEZOELECTRIC ELEMENT, OSCILLATORY WAVE MOTOR, AND OPTICAL APPARATUS  
A piezoelectric element that can decrease the output voltage for detection relative to the input voltage for driving without requiring a step-down circuit between a detection phase electrode and a...
US20130214648 PIEZOELECTRIC VIBRATION ELEMENT AND PIEZOELECTRIC DEVICE  
A piezoelectric vibration element includes a piezoelectric piece, a pair of excitation electrodes, and a pair of extraction electrodes. The piezoelectric piece has a rectangular shape with long...
US20080136542 Composite Resonance Circuit and Oscillation Circuit Using the Circuit  
There is provided a resonance circuit using piezoelectric vibrator such as a quartz resonator, a coil, a capacitor, or an element equivalent to them in combination. When two resonance circuits...
US20100295420 PIEZOCERAMIC SURFACE ACTUATOR AND METHOD FOR THE PRODUCTION THEREOF  
A piezoceramic surface actuator having a plurality of piezoceramic plates (3) separated from one another by in each case a positive or negative electrode (2a, 2b), wherein the positive and...
US20150015642 PIEZOELECTRIC MATERIAL, PIEZOELECTRIC ELEMENT, AND ELECTRONIC DEVICE  
There is provided a piezoelectric material not containing any lead component, having stable piezoelectric characteristics in an operating temperature range, a high mechanical quality factor, and...
US20130038173 MULTI DEGREE-OF-FREEDOM PIEZOELECTRIC MICRO-ACTUATOR WITH AN ENERGY EFFICIENT ISOLATION STRUCTURE  
A multi-DOF piezoelectric actuator that may be constructed with sizes of about or less than one millimetre. The multi-DOF piezoelectric actuator is capable of generating motion of a rotor element...
US20100043769 WIRE SAW AND METHOD FOR PRODUCING A WIRE SAW  
A wire saw (S) for separating a plurality of ceramic components (11-16) from a ceramic component block (1) has a roller system (2), the roller system has a plurality of deflecting rollers (3-5)...
US20130127299 PIEZOELECTRIC DEVICE OF POLYMER  
The present invention relates to a piezoelectric device of a multi-layered structure on which first electrodes and second electrodes are sequentially stacked on a piezoelectric polymer and single...
US20140239775 METHOD FOR PRODUCING FLEXIBLE EAP GENERATORS  
In a method for manufacturing electroactive polymer generators, a strip, including one layer of an electroactive polymer and electrodes applied to sections of this layer, is spirally wound in such...
US20090236948 Piezoelectric Transformer  
A piezoelectric transformer with a body that includes a first functional part and a second functional part is disclosed. The second functional part has inner electrodes, located in the body, which...
US20110181155 Piezoactuator with a Predetermined Breaking Layer  
A piezoactuator of multilayer design includes piezoelectric layers and electrode layers to form a stack. A predetermined breaking layer for the targeted origination and guiding of cracks is...

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