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Patent Searching and Data


Matches 51 - 100 out of 2,125

Document Document Title
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...  
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...  
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 (...  
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 ...  
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...  
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 ...  
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...  
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...  
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 ...  
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...  
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...  
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 ...  
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...  
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...  
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...  
WO2008118503A8
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...  
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...  
WO/2008/118502A3
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...  
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...  
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...  
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 ...  
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...  
WO/2008/076846A2
Compliant/stretchable electroactive materials which exhibit self-healing/clearing properties are disclosed.  
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...  
WO/2008/050271A3
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...  
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...  
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 (...  
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...  
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...  
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...  
WO/2008/008403A3
A tire pressure monitoring system is provided that includes a switched capacitor circuit having a clock with two non-overlapping clock phases that control a state of analog switches of the switched capacitor circuit. The system uses tire...  
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...  
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...  
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 ...  
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...  
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...  
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...  
WO/2007/098341A3
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...  
WO2006091463A8
The invention concerns a method of making multilayered constructions useful in forming capacitors and resistors, which may be used in the manufacture of printed circuit boards and microelectronic devices. According to the inventive metho...  
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...  
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...  
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...  
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...  
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 (...  
WO/2006/066261A3
Methods (100) are provided for fabricating a ferroelectric capacitor structure including methods (128) for etching and cleaning patterned ferroelectric capacitor structures in a semiconductor device. The methods comprise etching (142) po...  
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...  
WO2005053083A3
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...  
WO2002091409A3
The present invention relates to an electrically controllable/tunable microwave device (10) comprising a ferroelectric substrate (101) with a variable dielectric permittivity and conducting electrodes (102, 103A-C), arranged on said subs...  
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, ...  
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...  

Matches 51 - 100 out of 2,125