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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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7618551 |
Piezoelectric ceramic and method of manufacturing the same
Piezoelectric performance is improved in a piezoelectric ceramic having a perovskite-type crystal structure expressed by a general formula ABO 3 and the B-site element including niobium. The...
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7608215 |
Method of manufacturing a piezoelectric ceramic composition
There are provided steps of polarizing a ceramic composition including a perovskite compound containing Pb, Zr, Ti and Mn as main components and a heat treatment step for keeping the polarized...
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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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7595006 |
Piezoelectric ceramic composition and piezoelectric actuator
A piezoelectric ceramic composition has the composition formula (Pb (a-b) Me b ){(Ni (1-c).d/3 Zn c.d/3 Nb 2/3 ) z Ti x Zr (1-x-z) }O 3 , wherein Me represents at least one element selected from...
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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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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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7560043 |
Compositions for high power piezoelectric ceramics
Piezoelectric ceramics of the formula Pb (1-z) M z (Mg 1/3 Nb 2/3 ) x (Zr y Ti 1-y ) 1-x O 3 where M can be either Sr or Ba or both, and x is between 0.3 and 0.6, y is between 0.2 and 0.5, and z...
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7560042 |
Ferroelectric thin film and device including the same
A composition for forming a ferroelectric thin film includes: a PZT sol-gel solution including at least one of: a whole or partial hydrolysate of a lead precursor and a whole or partial hydrolyzed...
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7557055 |
Tunable low loss material composition
An embodiment of the present invention provides an electronically tunable dielectric material, comprising at least one electronically tunable dielectric phase and at least one compound of low loss...
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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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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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7527363 |
Discharge head of image forming apparatus with piezoelectric body for generating and sensing pressure
The discharge head comprises: a nozzle plate having a discharge aperture through which a droplet of liquid is discharged onto a discharge receiving medium; a pressure chamber which stores the...
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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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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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7511409 |
Dielectric film element and composition
Provided is a piezoelectric-film-type electron emitter which enables suppression of reduction of electron emission quantity due to repeated use thereof, and which exhibits high durability. The...
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7504042 |
Piezoelectric ceramic composition and piezoelectric ceramic electronic component
A piezoelectric ceramic composition is represented by [(Pb 1-x X x ) a {(Ni b/3 Nb 2/3 ) c Ti d Zr 1-c-d }O 3 ] in which X is at least one of Sr, Ba, Ca and La), and the compositional amounts x, a,...
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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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7408292 |
Piezoelectric ceramic material multi-layered component and method for the production of a ceramic material
The invention relates to a piezoelectric ceramic material having the general composition ABO 3 with at least a proportion of the PZT ceramic having a composition of the invention with Cu cations....
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7402938 |
Piezoelectric single crystal device
A piezoelectric single crystal device is provided exhibiting excellent piezoelectric properties, within a specific high-temperature range of Tr rt ° C. to (T rt −20)° C., where T rt represents...
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7387745 |
Piezoelectric ceramic materials based on lead zirconate titanate (PZT) having the crystal structure perovskite
The invention relates to piezoelectric ceramic materials based on the system Pb(Zr,Ti)O 3 , i.e. solid solutions of lead zirconate PbTO 3 , characterized by having very good dielectric and...
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7371473 |
Ferroelectric film, ferroelectric capacitor, ferroelectric memory, piezoelectric element, semiconductor element, method of manufacturing ferroelectric film, and method of manufacturing ferroelectric capacitor
A ferroelectric film is formed by an oxide that is described by a general formula AB 1-x Nb x O 3 . An A element includes at least Pb, and a B element includes at least one of Zr, Ti, V, W, Hf and...
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7344654 |
Piezoelectric ceramic composition and piezoelectric actuator
A piezoelectric ceramic composition has the composition formula (Pb (a-b) Me b ){(Ni (1-c)/3 Zn c/3 Nb 2d/3 ) z Ti x Zr (1-x-z) }O 3 , wherein Me represents at least one element selected from the...
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7309949 |
Piezoelectric/electrostrictive porcelain composition, piezoelectric/electrostrictive ceramic and piezoelectric/electrostrictive film type device
A piezoelectric/electrostrictive porcelain composition capable of being manufactured at a comparatively low firing temperature is provided, as well as a piezoelectric/electrostrictive ceramic or a...
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7291959 |
Piezoelectric element, piezoelectric actuator, ink jet recording head, ink jet printer, surface acoustic wave element, frequency filter, oscillator, electronic circuit, thin film piezoelectric resonator and electronic apparatus
A piezoelectric element includes a base substrate, a buffer layer formed above the base substrate, and a piezoelectric film formed above the buffer layer, wherein the buffer layer is formed of Pb...
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7276462 |
Dielectric composition and dielectric film element
Provided is a dielectric composition which, when applied to an electron emitter, enables suppression of reduction of electron emission quantity with passage of time. The dielectric composition...
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7264744 |
Piezoelectric ceramic and piezoelectric device
A piezoelectric ceramic and a piezoelectric device capable of being fired at a low temperature and improving piezoelectric properties are provided. The piezoelectric ceramic and the piezoelectric...
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7196457 |
Piezoelectric film, piezoelectric element, piezoelectric actuator, piezoelectric pump, ink-jet type recording head, ink-jet printer, surface-acoustic-wave element, thin-film piezoelectric resonator, frequency filter, oscillator, electronic circuit, and electronic apparatus
A piezoelectric film is provided having good piezoelectric properties. The piezoelectric film is represented by the following general formula: A 1−b B 1−a X a O 3 wherein A contains Pb; B is...
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7176155 |
Piezoelectric/electrostrictive ceramic composition, piezoelectric/electrosrictive material, and piezoelectric/electrostrictive film device
A piezoelectric/electrostrictive ceramic composition containing, as a major component, a Pb(Mg 1/3 Nb 2/3 )O 3 —PbTiO 3 —PbZrO 3 ternary solid solution system composition and further...
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7132057 |
Compositions for high power piezoelectric ceramics
This invention relates to a piezoelectric ceramic of the formula Pb (1−z) M z (Mg 1/3 Nb 2/3 ) x (Zr y Ti 1−y ) 1−x O 3 where M can be either Sr or Ba or both and x is in between about 0.1...
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7120978 |
Process of manufacturing a piezoelectric element
A method of manufacturing a piezoelectric element structure having a supporting substrate and a piezoelectric film supported on the supporting substrate. A first layer, and a second layer having...
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7119040 |
Dielectric composites and methods of making such
Most of the dielectric ceramic compositions consist of three or more different lead-based or non-lead ceramics. These materials and their solid solutions can give high dielectric constants...
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7101490 |
Piezoelectric ceramic materials, based on lead-ziconate-titanate (PZT), comprising valence-compensated complexes containing Ag
The characteristics of piezoceramic multilayer actuators based on lead-zirconate-titanate are determined to a great extent by the compatibility of PZT ceramics having a low sintering temperature...
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7091154 |
Perovskite titanium-type composite oxide particle and production process thereof
A perovskite titanium-containing composite oxide particle having a composition represented by general formula (I), where the specific surface area is about 10 to about 200 m 2 /g, the specific...
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7090785 |
Electromechanical actuators
A perovskite compound of the formula, (Na 1/2 Bi 1/2 ) 1-x M x (Ti 1-y M′ y )O 3±z , where M is one or more of Ca, Sr, Ba, Pb, Y, La, Pr, Nd, Sm, Eu, Gd, Th, Dy, Ho, Er, Tm, Yb and Lu; and M′...
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7087186 |
Ferroelectric/paraelectric materials, and phase shifter devices, true time delay devices and the like containing same
Single-phase, non-cubic and single-phase, cubic ferroelectric/paraelectric perovskite-structured materials having reasonably low and fairly temperature insensitive dielectric constants (stable...
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7083869 |
Methods of forming LaNiO3 conductive layers, ferro-electric devices with LaNiO3 layers, and precursor formation solutions
Methods of forming lanthanum nickel oxide (LaNiO 3 ) layers with precursor formation solutions are disclosed, along with devices made from such solutions. Also disclosed are methods for making the...
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7056443 |
Piezoelectric ceramic production method and piezoelectric element production method
A multilayer piezoelectric element 2 comprising an element body 10 wherein piezoelectric layers 8 and internal electrode layers 4 and 6 are alternately stacked. The piezoelectric layer 8...
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7045075 |
Ceramic material and piezoelectric element using the same
A ceramic material has piezoelectric characteristics, can be sintered at low temperature, and is suited to various piezoelectric devices. The ceramic material primarily includes Pb, Zr, and Ti and...
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7042141 |
Method of producing lead zirconate titanate-based thin film, dielectric device and dielectric thin film
A lead zirconate titanate-based thin film is an epitaxial crystal thin film and has a chemical composition represented by the general formula Pb 1-x Ln x Zr y Ti 1-y O 3 (wherein Ln represents any...
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7019441 |
Piezoelectric/electrostrictive film type device and piezoelectric/electrostrictive porcelain composition
There is provided a piezoelectric/electrostrictive film type device comprising: a substrate formed of a ceramic, at least one piezoelectric/electrostrictive portion formed of a...
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7009330 |
Composition of plasma display panel
A composition of a plasma display panel (PDP) is disclosed. In order to effectively reduce a jitter, the composition contains a ferroelectric transparent ceramics material.
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6989626 |
Piezoelectric transformer
A compact and high-power piezoelectric transformer is realized by using higher order longitudinal extensional mode vibrations and increasing an effective electromechanical coupling factor by a...
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6979410 |
Piezoelectric ceramic, method of manufacturing the same and piezoelectric device
Provided are a piezoelectric ceramic and a piezoelectric device having a larger piezoelectric strain constant and capable of being fired at a lower temperature. A main component of Pb A [(Mg 1/3 Nb...
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6924588 |
Piezoelectric crystal material and piezoelectric resonator
In a gallium phosphate crystal, a crystallographic Y-axis and a Z-axis that have been rotated about an X-axis counterclockwise through an angle α is referred to as a Y′-axis and a Z′-axis,...
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6916754 |
Dielectric ceramic material and method for producing the same
A PZT dielectric ceramic material is sintered at a desired low temperature to prevent deterioration of the performance of the base material. An auxiliary oxide is used that is made by adding the...
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6897174 |
Dielectric material compositions
A dielectric material composition including a metal oxide represented by a general formula, Y 1−x M 1 x Mn 1−y M 2 y O m . M 1 is Y, Ho, Er, Yb, Tm, or Lu. M 2 is Ti, Zr, V, Mo, Mg, Cu, or...
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6890874 |
Electro-optic ceramic material and device
The present invention provides an electro-optic ceramic material including lead, magnesium, niobium and titanium having a propagation loss of less than about 3 dB/cm and a quadratic electro-optic...
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6878307 |
Low temperature firable PZT compositions and piezoelectric ceramic devices using the same
A piezoelectric ceramic composition firable at a reduced sintering temperature is provided. The main composition is expressed with the general formula:
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