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7622852 |
Piezoelectric member, piezoelectric element, and liquid discharge head and liquid discharge apparatus utilizing piezoelectric element
The invention provides a piezoelectric film having a large piezoelectric property, and a piezoelectric element, a liquid discharge head and a liquid discharge apparatus utilizing the same. The...
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7622851 |
High temperature piezoelectric material
Piezoelectric devices with excellent high temperature operation capabilities are described, including piezoelectric sensors and actuators that use a rare earth calcium oxyborate or langanite as the...
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7622850 |
Piezoelectric device, piezoelectric actuator, piezoelectric pump, inkjet recording head, inkjet printer, surface acoustic wave device, thin-film piezoelectric resonator, frequency filter, oscillator, electronic circuit, and electronic instrument
A piezoelectric device includes: a substrate; a first conductive layer formed over the substrate, the first conductive layer including at least one buffer layer formed of a (001) preferentially...
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7615912 |
Acoustic transducer
An electroacoustic transducer having a tail mass, a head mass and at least two parallelepiped shaped piezoelectric material elements disposed between and attached to the tail mass and the head mass...
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7605522 |
Piezoelectric device
A piezoelectric device is formed by simultaneously firing a piezoelectric ceramic mainly composed of a perovskite complex oxide represented by general formula ABO 3 and electrodes mainly composed...
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7598659 |
Piezoelectric ceramic and method of manufacturing the same
A piezoelectric/electrostrictive device which exhibits an excellent piezoelectric characteristic and which has only a small dependence on a temperature is provided. The...
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7596841 |
Micro-electromechanical devices and methods of fabricating thereof
An electromechanical device includes a support structure formed by attaching inner surfaces of second and third substrates to a first substrate. The support structure includes at least one cavity...
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7591543 |
Piezoelectric member, piezoelectric member element, liquid discharge head in use thereof, liquid discharge apparatus and method of manufacturing piezoelectric member
A piezoelectric member of single crystal or uniaxial crystal and the piezoelectric member has a perovskite type oxide of a general formula ABO 3 with a main component of the A being Pb and a main...
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7589450 |
Actuator device, liquid-jet head and liquid-jet apparatus
An actuator device includes: a layer provided on a single crystal silicon (Si) substrate, and made of silicon dioxide (SiO 2 ); at least one buffer layer provided on the layer made of silicon...
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7586234 |
Piezoelectric material and piezoelectric device
A piezoelectric material is expressed by a general formula (1) as follows: (Bi 1−x Ba x )(Fe 1−x Ti x )O 3 . . . (1), where x is greater than 0, but smaller than 1 (0<x<1).
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7586233 |
Ferroelastic ceramic-reinforced metal matrix composites
Composite materials comprising ferroelastic ceramic particulates dispersed in a metal matrix are capable of vibration damping. When the ferroelastic ceramic particulates are subjected to stress,...
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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...
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7581295 |
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 piezoelectric...
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7579759 |
Surface acoustic wave (SAW) devices based on cubic boron nitride/diamond composite structures
A surface acoustic wave (SAW) device which is made of cBN/diamond composite structures and the fabrication method are disclosed. In the SAW device based on cubic boron nitride and diamond composite...
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7567022 |
Method for forming perovskite type oxide thin film, piezoelectric element, liquid discharge head, and liquid discharge apparatus
To provide a film forming method capable of obtaining a high-quality perovskite type oxide thin film, piezoelectric element having a piezoelectric substance constituted of the thin film formed by...
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7567021 |
Monomorph type piezoelectric/electrostrictive device and method for manufacturing the same
A monomorph type piezoelectric/electrostrictive device includes a piezoelectric/electrostrictive body, which is composed of a non-lead based piezoelectric/electrostrictive crystalline body...
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7564176 |
Laminated piezoelectric element and production method of the same
A laminated piezoelectric element capable of being sintered at low temperatures and high in piezoelectric properties is provided. The laminated piezoelectric element comprises a plurality of...
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7548142 |
Tuneable resonator
The invention discloses a tuneable resonator ( 100, 200, 300, 500, 600, 700, 900 ) with a substrate layer ( 140, 260, 360, 560, 660, 960 ), which substrate layer supports a structure with a first...
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7548013 |
High temperature piezo buzzer
A piezoelectric buzzer includes a vibrating layer capable of withstanding temperatures in excess of 260° C. for at least five minutes while still maintaining its ability to vibrate and produce a...
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7545084 |
Piezoelectric/electrostrictive ceramic composition, piezoelectric/electrostrictive device, and method of producing the same
A piezoelectric/electrostrictive ceramic composition includes a Pb(Mg 1/3 Nb 2/3 )O 3 —PbTiO 3 —PbZrO 3 ternary solid solution system composition as the major component, and further contains...
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7545080 |
Monolithic piezoactuator with rotation of the polarisation in the transition region and use of said piezoactuator
A piezoactuator has at least one piezoelectric-active partial stack with piezoceramic layers arranged one over the other with piezoceramic material and electrode layers arranged between the...
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7541716 |
Resonator
There is provided a resonator having a piezoelectric ceramic resonator which has excellent free-fall resistance. The resonator comprises a piezoelectric ceramic resonator 2 with a vibrating...
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7538476 |
Multi-layer piezoelectric actuators with conductive polymer electrodes
A multi-layer piezoelectric actuator with conductive polymer electrodes is described. The piezoelectric actuator comprises a stack of alternating conductive electrode layers and piezoelectric...
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7531947 |
Stacked piezoelectric element and production method thereof
A stacked piezoelectric element obtained by alternately stacking a piezoelectric ceramic layer and an electrode layer, wherein said electrode layer mainly comprises an electrically conducting base...
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7528531 |
Piezoelectric ceramic composition and laminated piezoelectric element
A piezoelectric ceramic composition includes: a composite oxide, as a main component thereof, represented by the composition formula,
Pb...
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7528530 |
Piezoelectric substance, piezoelectric substance element, liquid discharge head, liquid discharge device and method for producing piezoelectric substance
A piezoelectric substance has a multi-layer structure consisting of single crystal layers or uniaxial crystal layers of a perovskite oxide expressed by the general formula of ABO 3 in which a main...
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7525324 |
Inspection method, inspection apparatus, and polarization method for piezoelectric element
A method for inspecting a piezoelectric element includes first-inspection-signal application step of applying to the piezoelectric element a first inspection signal Vp( 1 ) having a first...
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7525239 |
Piezoelectric element, and liquid jet head and ultrasonic motor using the piezoelectric element
There is disclosed a piezoelectric element having, on a substrate, a piezoelectric body and a pair of electrodes which come in contact with the piezoelectric body, wherein the piezoelectric body...
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7521845 |
Piezoelectric substance, piezoelectric element, liquid discharge head using piezoelectric element, and liquid discharge apparatus
A piezoelectric material, characterized in that a main component of the piezoelectric substance is PZT, which has perovskite type structure expressed in Pb(Zr x Ti 1-x )O 3 (x expresses an element...
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7521844 |
Piezoelectric single-crystal device and method of manufacturing the same
To provide a piezoelectric single-crystal device which can stably attain an electromechanical coupling factor k 31 of 60% or more in the lateral vibration mode and a method of manufacturing the...
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7520038 |
Piezoelectric element, method of manufacturing the same, liquid-jet head, method of manufacturing the same, and liquid-jet apparatus
Disclosed are a piezoelectric element, which has a high withstand voltage and a longer durability life, a manufacturing method of the piezoelectric element, a liquid-jet head, a manufacturing...
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7518293 |
Piezoelectric thin-film element
A piezoelectric thin-film element formed with a niobate lithium potassium sodium thin-film having a well-developed Perovskite structure and having an excellent piezoelectric characteristic. The...
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7518292 |
Piezoelectric single crystal and piezoelectric single-crystal device and method for manufacturing the same
An inexpensive piezoelectric single-crystal device being excellent in the piezoelectric characteristics and having a complex perovskite structure can be provided by adding a specific additive to a...
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7514854 |
Piezoelectric element, liquid-jet head using piezoelectric element and liquid-jet apparatus
Disclosed are a piezoelectric element in which crystallinity of a piezoelectric layer is improved, and which has uniform characteristics of the piezoelectric layer, a liquid-jet head using the...
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7508120 |
Piezoelectric element and method for manufacturing
A lower electrode is formed on a silica glass substrate or a stainless substrate. Through a sputtering process, a thin film of aluminum nitride and/or zinc oxide is formed on the lower substrate so...
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7508112 |
Ceramic multilayer component, method for the production thereof and retaining device
An electrical component includes a base. The base is made of a sintered ceramic, and at least one electrode that is inside the sintered ceramic. The at least one electrode has a surface that...
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7501743 |
Piezoelectric ultrasonic motor for 2-dimensional positioning
A piezoelectric ultrasonic motor having 2-dimensional positioning movement includes a stator. The stator includes a piezoelectric ceramic bar and an electrode disposed on the bar. Each bar includes...
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7489067 |
Component with a piezoelectric functional layer
An electrical component includes a substrate, a first electrode layer, a structured growth layer that is thinner than the first electrode layer, a piezoelectric layer, and a second electrode layer....
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7482736 |
Piezoelectric laminate, surface acoustic wave device, thin-film piezoelectric resonator, and piezoelectric actuator
A piezoelectric laminate including a base and a first piezoelectric layer formed above the base and including potassium sodium niobate. The first piezoelectric layer is shown by a compositional...
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7477004 |
Piezoelectric/electrostrictive porcelain composition, piezoelectric/electrostrictive article, and piezoelectric/electrostrictive film type element
A piezoelectric/electrostrictive porcelain composition which exhibits superior piezoelectric/electrostrictive characteristics without containing lead (Pb) is provided. A main component of the...
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7477001 |
Piezoelectric resonator element and method of manufacturing same
A piezoelectric resonator element and method of manufacturing same are provided. The piezoelectric resonator element having a lower electrode, a piezoelectric substance layer, and an upper...
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7475967 |
Piezoelectric element, ink-jet head with same, and their manufacturing methods
A piezoelectric element 1 includes a lower electrode 2 , a piezoelectric film 3 and an upper electrode 4 stacked in this order. The surface of the upper electrode 4 of the piezoelectric...
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7456553 |
Piezoelectric film laminate and device including piezoelectric film laminate
A piezoelectric film laminate includes a lithium tantalate substrate, and a lead zirconate titanate niobate layer formed above the lithium tantalate substrate.
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7456548 |
Piezoelectric element, piezoelectric actuator, and ink jet recording head
A piezoelectric element having a piezoelectric film and one pair of electrodes being in contact with the piezoelectric film on a substrate, wherein the piezoelectric film has a structure in which a...
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7453188 |
Dielectric element, piezoelectric element, ink jet head and ink jet recording apparatus and manufacturing method of same
A dielectric element includes a lower electrode layer provided on a substrate, a dielectric layer provided on the lower electrode layer and an upper electrode layer provided on the dielectric...
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7443087 |
Polymer actuator
A polymer actuator comprising a conductive powder compact comprising a conductive polymer and a dopant, an ion donor, a work electrode, and a counter electrode, whereby it contracts or extends when...
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7443085 |
Piezoelectric actuator
A piezoelectric actuator 1 includes a piezoelectric element 2 , which has a pair of electrodes formed on the surface of a piezoelectric ceramic member, as a drive source. The piezoelectric...
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7441317 |
Piezoelectric/electrostrictive device and method for manufacturing the same
A piezoelectric/electrostrictive device is provided, including a substrate, an electrode layer adhering to the surface of the substrate, and a piezoelectric/electrostrictive layer adhering to the...
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7432639 |
Piezoelectric component
A piezoelectric component includes a stack of ceramic layers and electrode layers between ceramic layers in the stack. The electrode layers contain copper and the ceramic layers contain...
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7417361 |
Piezoelectric/electrostrictive body, piezoelectric/electrostrictive laminate, and piezoelectric/electrostrictive actuator
There is disclosed a piezoelectric/electrostrictive body which has superior piezoelectric/electrostrictive properties and which exhibits a sufficient durability even in a case where a flexural...
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