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WO/2010/050277A1 |
Disclosed is a variable capacitance element comprising a nanomaterial layer composed of a plurality of kinds of nanomaterials having characteristics different from each other, a first conductive layer electrically connected to at least a...
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WO/2010/047076A1 |
Provided is an electret electrode having an improved surface charge density. A conductive film (111) is formed on a substrate (102). On the conductive film (111), a first insulating film (112) and a second insulating film (113) are alte...
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WO/2010/035879A1 |
A capacitance element having a desired capacitance is stably manufactured by suppressing a capacitance change due to positional shift between electrodes facing each other with a dielectric layer therebetween. The capacitance element is p...
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WO/2010/034764A1 |
The invention relates to a variable-capacity system that comprises a first electrode (4), a second electrode (8), an elastically deformable layer of a dielectric material (6), said dielectric layer (10) being provided between the first (...
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WO/2010/030011A1 |
Disclosed is an electret film (ii) that can stably maintain a high charge state over a long period of time and is formed by injecting charges into a porous resin film (i) having high dielectric strength. Specifically, the electret film ...
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WO/2010/029161A1 |
A patterned electret structure (21) on a substrate (10) comprises a dielectric structure comprising at least one non-patterned dielectric layer (22), and a charge pattern (14) in the dielectric structure and/or at a surface of a dielectr...
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WO/2010/028138A2 |
A bulk capacitor includes a first electrode formed of a metal foil and a semi-conductive porous ceramic body formed on the metal foil. A dielectric layer is formed on the porous ceramic body for example by oxidation. A conductive medium ...
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WO/2009/147848A1 |
The variation of the amount of charge given to an electretized dielectric film because of ionizer irradiation is reduced, and the variation of the sensitivity of a microphone is also reduced. A conductor (4) is maintained in a floating s...
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WO/2009/136320A1 |
The invention relates to electronic device having an operation temperature range, wherein the electronic device comprises a tunable capacitor (CST) comprising a first electrode (BE), a second electrode (TE), and a dielectric (FEL) arrang...
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WO/2009/128503A1 |
Disclosed are an electret having high surface potential, and an electrostatic induction conversion device comprising the electret. The electret comprises a laminate wherein a layer (A) containing a resin (a) and a layer (B) containing a ...
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WO/2009/119678A1 |
Disclosed are an electret having high surface charge density, and an electrostatic induction conversion device comprising the electret. The electret comprises a laminate wherein a layer (A) containing a polymer compound (a) having a rela...
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WO/2009/107488A1 |
Provided is a variable-capacitance element which can be applied corresponding to purposes of electronic apparatuses, including various types of electronic devices and communication mobile apparatuses. A method for controlling such variab...
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WO/2009/107489A1 |
Provided is a variable-capacitance element wherein a desired capacitance value which corresponds to a write voltage can be freely set and a capacitance value which has been set before is maintained even when there is no write voltage. A ...
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WO/2009/104699A1 |
Disclosed are an electret having excellent thermal stability of electric charges and an electrostatic induction conversion device comprising the electret. The electret contains one of a fluorine-containing polymer containing at least one...
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WO/2008/149622A1 |
A capacitor is provided with a first electrode (2) to which a direct current voltage is applied; a dielectric layer (3), which is arranged on the first electrode (2) and is composed of an oxide dielectric material; and a second electrode...
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WO/2008/139112A2 |
The invention relates to a novel electrical component characterised in that it comprises an electrically conducting member (2) coated with a dielectric material (3), electric connections (30) being provided in said dielectric material in...
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WO/2008/122525A1 |
Disclosed are electret materials with outstanding thermal and charge stability. The electret materials comprise a melt blend of a thermoplastic polymer and one or more compounds selected from the aromatic trisamides. The aromatic trisami...
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WO/2008/118503A2 |
An embodiment of the present invention provides a device, comprising a multilayered tunable dielectric capacitor, wherein said multilayers of tunable dielectric are adapted to be DC biased to reduce the dielectric constant; and wherein t...
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WO/2008/118502A2 |
An embodiment of the present invention provides a device, comprising a multilayered tunable dielectric capacitor, wherein said multilayers of tunable dielectric are adapted to be DC biased to reduce the dielectric constant; and wherein t...
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WO/2008/114489A1 |
Disclosed are an electret having improved surface potential and an electrostatic induction conversion device comprising such an electret. Specifically disclosed is an electret obtained by spin coating a fluorine-containing polymer compos...
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WO/2008/114455A1 |
A switching capacity generation circuit (12a) for enhancing the operational characteristics of a switch element by reducing the on-resistance and the parasitic capacitance of the switch element. The switching capacity generation circuit ...
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WO/2008/076846A2 |
Compliant/stretchable electroactive materials which exhibit self-healing/clearing properties are disclosed.
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WO/2008/050271A2 |
The present invention relates to a ferroelectric varactor (400) that comprises a dielectric-layer stack (408) between electrodes (406, 410). The dielectric- layer stack comprises an alternating layer sequence of at least three dielectric...
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WO/2008/049037A2 |
Particles of active electrode material are made by blending or mixing a mixture of activated carbon, optional conductive carbon, and binder. In selected implementations, the activated carbon particles have between about 70 and 98 percent...
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WO/2008/041565A1 |
Provided is a small and low height capacitor device having reduced deterioration of characteristics such as a leak current characteristic. The capacitor device is provided with a supporting substrate (1); at least one capacitor element (...
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WO/2008/039176A2 |
A system (Fig.2) is disclosed for converting energy from the electromagnetic quantum vacuum available at any point in the universe to usable energy in the form of heat, electricity, mechanical energy or other forms of power. Mode suppres...
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WO/2008/034940A1 |
A fabrication method for parallel-plate structures and a parallel-plate structure arrangement, wherein the structures have a middle layer (102), grown on a substrate and disposed between top and bottom electrode layers (101, 103), wherei...
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WO/2008/026708A1 |
A leak current and an electrostatic breakdown generated at a dielectric film step portion due to surface roughness of a dielectric film are suppressed, and insulation of a variable capacitance capacitor is improved. A lower electrode lay...
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WO/2008/001914A1 |
Provided is a variable capacitance capacitor array which has excellent capacitance value controllability and has variable and high tunability. The variable capacitance capacitor array is provided with a first variable capacitance capacit...
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WO/2007/145259A1 |
It is possible to provide a variable capacitance circuit of a small size capable of reducing distortion and current consumption and satisfying the power resistance at a low cost. The variable capacitance circuit includes: a first variabl...
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WO/2007/116471A1 |
This invention provides a capacitative element that comprises a dielectric layer provided between a first electrode layer and a second electrode layer and enables the capacitance to be changed by an externally applied voltage. The dielec...
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WO/2007/115963A1 |
Disclosed are electret compositions with outstanding thermal and charge stability. The electret compositions comprise a melt blend of a thermoplastic polymer and at least one hindered hydroxylamine ester compounds that comprise at least ...
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WO/2007/106642A2 |
A method for forming embedded capacitors on a printed circuit board is disclosed. The capacitor is formed on the printed circuit board by a depositing a first dielectric layer over one or more electrodes situated on the PCB. Another elec...
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WO/2007/098341A2 |
An energy collection system may collect and use the energy generated by an electric field. Collection fibers are suspended from a support wire system supported by poles. The support wire system is electrically connected to a load by a co...
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WO/2007/031061A1 |
The invention relates to a capacitor provided with a multilayer structure applied to a ceramic or crystal substrate (S) which comprises at least one lower electrode (E1), a top electrode (E2) and an adjustable dielectric (D) which is pla...
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WO/2006/132193A1 |
A novel electret-turning technology for a silicon microphone capable of easily turning the dielectric film of a condenser microphone formed by micro-processing a silicon substrate into electret, and accommodating variations in microphone...
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WO/2006/110313A1 |
A varactor (10) includes a container (18) forming a liquid chamber (20), a first electrode (14) mounted adjacent the chamber (20), and a second electrode (16) mounted adjacent the chamber (20). The chamber (20) may be sized and configure...
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WO/2006/091463A2 |
A method for making multilayer constructions as printed circuit board for forming capacitors and resistors by attaching a first thermosetting polymer layer (4) directly onto a surface of a first electrical conductive layer 2. Next, a sec...
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WO/2006/082930A1 |
[PROBLEMS] To provide a heat detector wherein thermal responsiveness of a heat detecting section of a ceramic element and the like is improved. [MEANS FOR SOLVING PROBLEMS] A heat detector (1) is configured by storing a ceramic element (...
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WO/2006/062387A1 |
The invention relates to an apparatus which used for the automatic attenuation of the light from electronic and magnetic ballasts used for high intensity discharge or fluorescent lamps. According to the invention, a limiting current from...
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WO/2006/031784A1 |
A method and device bracket are presented for reconfigurable radiation desensitivity. The method includes: accepting a radiated wave from a source such as a transmitter, antenna, microprocessor, electrical component, integrated circuit, ...
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WO/2005/109458A2 |
A method of forming an LTCC structure having at least one open cavity on each of first and second opposing sides is disclosed that includes the steps of forming a first LTCC structure including a first side having a plurality of cavities...
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WO/2005/106904A1 |
The invention relates to a capacitor with changeable dielectric properties, and a device for electric pulse modulation comprising such a capacitor, for instance an HPM source (High-Power Microwave, high-power microwave radiation). The in...
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WO/2005/078861A2 |
An inverted-F ferroelectric antenna is provided. The antenna comprises a counterpoise, or groundplane, and a radiator structure having a first end and a second end. A capacitor, formed from a ferroelectric dielectric is interposed betwee...
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WO/2005/053083A2 |
The present invention is directed toward a tunable dielectric device comprising: a substrate and an endohedral fullerene encapsulating trimetallic nitride template compound disposed on the substrate. The endohedral fullerene encapsulatin...
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WO/2005/053005A2 |
A method for contacting patterned electrode devices includes the steps of providing a porous substrate, depositing electrically conductive material to form at least one electrode on a front-side of the porous substrate and depositing at ...
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WO/2005/050680A1 |
A silicon nitride film (103) and another silicon nitride film (106) are so formed as to cover a charged silicon oxide film (105) which is to be an electret.
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WO/2005/043555A1 |
A multilayer positive-characteristic thermistor having a low resistance reliably achieved by reducing the thickness of a ceramic layer of a BaTiO3 semiconductor ceramic. The resistance value can be approximate to that calculated from the...
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WO/2005/020257A2 |
The invention relates to an organic capacitor having a voltage-controlled variable capacitance. The inventive capacitor comprises at least one first electrode, a second electrode and an insulation layer located therebetween. The inventiv...
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WO/2005/005320A1 |
The present invention relates to a ferroelectric ceramic compound having the composition of the following formula: s[L]-x[P]y[M]z[N]p[T], a ferroelectric ceramic single crystal, and preparation processes thereof. The ferroelectric cerami...
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