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8183747 |
Piezoelectric porcelain composition, and piezoelectric ceramic electronic component
A piezoelectric porcelain composition includes a main ingredient represented by a general formula ((1−x)(K1−a−bNaaLib) (Nb1−cTac)O3−xM2M4O3) (where M2 represents Ca, Ba or Sr, M4 represent...
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8183748 |
Piezoelectric thin film, ink jet head, method for forming image with the ink jet head, angular velocity sensor, method for measuring angular velocity with the angular velocity sensor, piezoelectric generating element and method for generating electric power with the piezoelectric generating element
Provided is a lead-free piezoelectric thin film containing a lead-free ferroelectric material and having low dielectric loss, high electromechanical coupling coefficient and high piezoelectric...
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8179025 |
Lead-free piezoceramic materials
The present invention relates to lead-free piezoelectric ceramic materials comprising crystalline (and preferably perovskite crystalline) structures of the formula Bi1-x(RE)xFeO3, where RE is one...
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8179026 |
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...
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8164268 |
Lighting device implemented through utilizing insulating type piezoelectric transformer in driving light-emitting-diodes (LEDs)
A lighting device implemented through utilizing an insulating type piezoelectric transformer in driving light-emitting-diodes (LEDs), comprising at least said insulating type piezoelectric...
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8164234 |
Sputtered piezoelectric material
Piezoelectric actuators having a composition of Pb1.00+x(Zr0.52Ti0.48)1.00−yO3Nby, where x>−0.02 and y>0 are described. The piezoelectric material can have a Perovskite, which can enable good ben...
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8147041 |
Piezoelectric element and method for manufacturing the same, liquid-ejecting head and method for manufacturing the same, and liquid-ejecting apparatus
A piezoelectric element includes a piezoelectric film containing lead (Pb), zirconium (Zr), and titanium (Ti). The piezoelectric film has a composition satisfying the relationship of...
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8137461 |
Piezoelectric substrate, piezoelectric element, liquid discharge head and liquid discharge apparatus
A piezoelectric substrate of a perovskite-type oxide is expressed by a general formula of ABO3 having a laminate structure of a single crystal structure or a uniaxial crystal structure expressed by...
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8129889 |
Piezoelectric ceramic compositions and piezoelectric elements
A piezoelectric ceramic composition includes a main component represented by general formula {(Pb1-x-yCaxSry) {Ti1-z(Ni1/3Nb2/3)z}O3}, wherein 0≦x≦0.2 (preferably 0≦x≦0.15), 0≦y≦0.2 (preferably...
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8119024 |
Piezoelectric single crystal ingot, producing method therefor and piezoelectric single crystal device
A piezoelectric single crystal ingot is produced by the Bridgman method and contains a relaxor having a composition of Pb(Mg, Nb)O3 and lead titanate having a composition of PbTiO3. In the...
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8119022 |
Piezoelectric single crystal and method of production of same, piezoelectric element, and dielectric element
A piezoelectric single crystal and piezoelectric and dielectric application parts using the same are provided, which have all of high dielectric constant K3T, high piezoelectric constants (d33 and...
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8100513 |
Ferroelectric film, process for producing the same, ferroelectric device, and liquid discharge device
A ferroelectric film having a columnar structure constituted by a plurality of columnar grains, and containing as a main component a perovskite oxide which has a composition expressed by a...
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8100515 |
Multilayer piezoelectric actuator and liquid discharge head
A multilayer piezoelectric actuator and a liquid discharge head are provided which are equipped with dense piezoelectric ceramics having improved insulation performance. The multilayer...
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8102100 |
Piezoelectric material and piezoelectric element
A piezoelectric element includes a first electrode, a piezoelectric film disposed on the first electrode, and a second electrode disposed on the piezoelectric film. The piezoelectric film is...
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8084925 |
Piezoelectric thin film elemental device, sensor and actuator
A piezoelectric thin film element has a piezoelectric thin film on a substrate, the piezoelectric thin film has a (K1-x,Nax)NbO3thin film expressed by a compositional formula (K1-xNax)NbO3(0
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8084924 |
Piezoelectric/electrostrictive film element having wavy grain boundaries
An actuator includes a first electrode disposed on the top surface of a ceramic substrate (for example, zirconium oxide), a piezoelectric/electrostrictive substance disposed on the first electrode,...
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8080924 |
Liquid ejecting head, liquid ejecting apparatus, and actuator device
A liquid ejecting head including a pressure-generating chamber which communicates with a nozzle opening, and a piezoelectric element including a first electrode, a piezoelectric layer formed above...
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8080923 |
Piezoelectric/electrostrictive membrane element
A piezoelectric/electrostrictive membrane element is provided, including a ceramic substrate, a membranous piezoelectric/electrostrictive portion including a piezoelectric/electrostrictive body...
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8076828 |
Piezoelectric ceramic composition and piezoelectric ceramic electronic component
A piezoelectric ceramic includes a main constituent represented by the general formula {(1−x) (K1-a-bNaaLib)(Nb1-cTac)O3}−xM2M4O3}, and as accessory constituents, 2α mol of Na, (α+β) mole of an M4′...
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8063543 |
Piezoelectric thin film element including upper and lower electrodes, and an actuator and a sensor fabricated by using the same
A piezoelectric thin film element includes a substrate, a lower electrode, a piezoelectric thin film, and an upper electrode. The lower electrode, the piezoelectric thin film and the upper...
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8058779 |
Piezoelectric thin film element
A piezoelectric thin film element includes a bottom electrode, a piezoelectric layer and a top electrode on a substrate. The piezoelectric layer includes as a main phase a perovskite-type oxide...
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8040024 |
Piezoceramic material, piezoelectric element and non-resonance knock sensor
A piezoceramic material according to an embodiment of the present invention has a composition represented by Pbm{Zr1-x-y-zTixSny(Sb1-nNbn)z}O3 where 1.000≦m≦1.075, 0.470≦x<0.490, 0.020...
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8035283 |
Resonant actuator
A piezoelectric ceramic base member is formed of a bar shaped bismuth layer compound, and has main electrodes on two end surfaces in an oscillation direction, with connection electrodes at...
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8035281 |
Physical quantity detecting sensor and actuator
A sensor for detecting a physical quantity includes a piezoelectric thin film device having a lower electrode, a piezoelectric thin film and an upper electrode, and a voltage detecting device...
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8030828 |
Piezoelectric device, process for producing the piezoelectric device, and liquid discharge device
A piezoelectric device includes a piezoelectric film, and electrodes through which an electric field can be applied to the piezoelectric film along the thickness direction of the piezoelectric...
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8030829 |
Hybrid piezoelectric composites with high electromechanical characteristics
A hybrid piezoelectric composite comprises a layer of a polymer matrix comprising particles of a PZT group in a micro range of dimensions, which is sandwiched between two layers of a polymer matrix...
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8022605 |
Electrical multi-layer component
A piezoelectric multi-layer component is described herein. The component includes a plurality of ceramic layers, and one or more electrode layer. The one or more electrode layer has a material...
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8022604 |
(Li, Na, K)(Nb, Ta)O3 type piezoelectric/electrostrictive ceramic composition containing 30-50 mol% Ta and piezoelectric/electrorestrictive device containing the same
The invention provides a (Li, Na, K)(Nb, Ta)O3 type piezoelectric/electrostrictive ceramic composition capable of being sintered at a low temperature and providing good electric field-induced...
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8004161 |
Multilayered piezoelectric element and method of producing the same
A multilayered piezoelectric element and a method of producing the multilayered piezoelectric element are disclosed. The multilayered piezoelectric element is made of piezoelectric ceramic layers...
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8004164 |
Piezoelectric single crystal device
In a piezoelectric device that uses a vibration mode in a direction parallel to a polarization direction, a single crystal device that achieves an electromechanical coupling factor of 65% or more,...
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8004159 |
Piezoelctric actuator, method of manufacturing same, and liquid ejection head
The piezoelectric actuator comprises: a supporting substrate; a thermal stress controlling layer which is formed on the supporting substrate; and a piezoelectric body which is formed as a film onto...
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8004162 |
Piezoelectric device, angular velocity sensor, electronic apparatus, and production method of a piezoelectric device
A piezoelectric device is provided and includes a substrate, a first electrode film, a piezoelectric film, and a second electrode film. The first electrode film is formed on the substrate. The...
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8004163 |
Substrate with a piezoelectric thin film
A substrate has a first thermal expansion coefficient and a piezoelectric thin film has a second thermal expansion coefficient. The piezoelectric thin film is mainly composed of a potassium sodium...
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7998362 |
Piezoelectric substance, piezoelectric element, liquid discharge head using piezoelectric element, liquid discharge apparatus, and production method of piezoelectric element
A main component of a piezoelectric substance is PZT which has a perovskite type structure expressed as Pb(ZrxTi1-x)O3, in which x expresses an element ratio Zr/(Zr+Ti) of Zr and Ti in the formula,...
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7999448 |
Piezoelectric material, multilayer actuator and method for manufacturing a piezoelectric component
A piezoelectric material contains a material with the molecular formula P1−c−dDcZd, wherein: 0
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7997692 |
Perovskite oxide, process for producing the same, piezoelectric film, and piezoelectric device
A process for producing a perovskite oxide having a composition expressed by the compositional formulas A(B, C)O3, and determined so as to satisfy the conditions (1), (2), and (3),...
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7990029 |
Ceramic material, method for producing the same, and electro-ceramic component comprising the ceramic material
A ceramic material includes lead zirconate titanate, which additionally contains Nd and Ni. For example, the ceramic material may have a composition according to the following formulae: for...
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7977853 |
Piezoelectric device, and liquid discharge device using the piezoelectric device
A piezoelectric device having a piezoelectric film formed over a substrate through an electrode by vapor phase deposition using plasma, and constituted by columnar crystals of one or more...
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7973456 |
Piezoelectric ceramic and piezoelectric element employing it
The piezoelectric element 20 of the invention comprises a pair of electrodes 2,3 and a piezoelectric ceramic 1 comprising as the major component a solid solution of the two components KNbO3 and...
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7965020 |
Piezoelectric ceramic and piezoelectric element
A piezoelectric ceramic which has a large value of coercive electric field and, in addition, which can be fired at low temperatures of 950° C. or lower, is provided. It has a composition ...
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7965021 |
Piezoelectric thin film and method of manufacturing the same, ink jet head, method of forming image with the ink jet head, angular velocity sensor, method of measuring angular velocity with the angular velocity sensor, piezoelectric generating element, and method of generating electric power with the piezoelectric generating element
Provided are a piezoelectric thin film including a lead-free ferroelectric material and exhibiting high piezoelectric performance comparable to that of lead zirconate titanate (PZT), and a method...
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7960901 |
Piezoelectric device having a ferroelectric film including a ferroelectric material
A method of manufacturing a ceramic includes forming a film which includes a complex oxide material having an oxygen octahedral structure and a paraelectric material having a catalytic effect for...
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7956519 |
Piezoelectric device having a ferroelectric film including a solid solution
A method of manufacturing a ceramic includes forming a film which includes a complex oxide material having an oxygen octahedral structure and a paraelectric material having a catalytic effect for...
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7956518 |
Piezoelectric/electrostrictive ceramic composition and piezoelectric/electrostrictive device
The invention provides a (Li, Na, K)(Nb, Ta, Sb)O3 type piezoelectric/electrostrictive ceramic composition excellent in the electric field-induced strain at the time of high electric field...
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7952248 |
Piezoelectric generator
A generator that collects oscillation energy to convert to electric energy, the generator including a support portion made of non-piezoelectric material, a piezoelectric body disposed on the...
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7948154 |
Piezoelectric substance, piezoelectric element, and liquid discharge head and liquid discharge apparatus using piezoelectric element
A piezoelectric substance which is made of oxide with perovskite type structure which is made of ABO3, where a principal component of A is Pb, and principal components of B contain at least two...
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7944126 |
Piezoelectric ceramic, vibrator and ultrasonic motor
Provided is a piezoelectric ceramic 1 containing a compound represented by the following general formula (1), as a main component and at least one element selected from Mn, Fe and Cu in an amount...
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7944127 |
Piezoelectric ceramic composition and piezoelectric part
A piezoelectric ceramic composition contains main components represented by a general formula of [(Pb1-x-yCaxSry){Ti1-z(Zn1/2W1/2)z}O3], and x, y, and z satisfy 0≦x≦0.2 (preferably 0≦x...
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7928638 |
Electromechanical actuators
Apparatus including layer of polarizable material located between first and second electrodes. Polarizable material has block copolymeric composition including elastomeric domain blocks and...
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7928637 |
Piezoelectric materials
A piezoelectric perovskite mixed oxide compound has the general formula (BiFeO3)x—(PbTiO3)1-x and contains up to 5 at % lanthanum or other rare earth substitution, in which x has a value in the r...
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