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Matches 51 - 100 out of 2,209

Document Document Title
WO/2013/015385A1
There are obtained an electret that produces a high charge density and that has good charge density stability under a high temperature and humidity, and an electrostatic induction type conversion element provided with the electret. An el...  
WO/2013/011949A1
Provided is a heat-resistant electret material with which charge retention is large, charge attenuation is small, and bonding between a metallic substrate and an electret layer formed from a fluorine resin, particularly polytetrafluoroet...  
WO/2012/175324A1
The invention relates to a programmable, non-volatile, bistable capacitor for the radio-frequency range. The capacitor can be used as a varactor (tuneable capacitor) or as a storage element, in particular in RF communication systems, for...  
WO/2012/144411A1
The present invention provides an electret having high voltage characteristics. This electret sheet contains two synthetic resins that are immiscible in each other, and these synthetic resins form a phase separated structure. This electr...  
WO/2012/127567A1
This compound semiconductor device is provided with: a first electrode (3); an intrinsic first compound semiconductor layer (1), which is formed above the first electrode (3); a second compound semiconductor layer (2), which is formed on...  
WO/2012/114931A1
Provided is a variable capacitance element that uses a dielectric layer the dielectric constant of which changes with the application of voltage, and that enables a piezoelectric substrate such as a piezoelectric resonator or a tunable f...  
WO/2012/105187A1
[Objective] To attain a capacitance-varying type power generation element having high power-generation efficiency. [Solution] A power generation element (1) is provided with a laminate (12) that is constituted by laminating a dielectric-...  
WO/2012/102190A1
[Problem] To provide a capacitance element with which an electrostatic capacitance can be accurately ensured, and a variable-capacitance element with which a capacitance variability ratio can be adequately ensured; and also to provide a ...  
WO/2012/073465A1
[Objective] To provide an electrostatic-induction type conversion element having high mechanoelectric conversion efficiency. [Solution] An electrostatic-induction type conversion element (1) that conducts conversion between electric ener...  
WO/2012/074114A1
Provided is a method for producing a charge retention medium, with which it is easy to form a coating containing a fluorine-containing copolymer (precursor for a charge retention medium) having recurring units based on tetrafluoroethylen...  
WO/2012/074115A1
Provided is a charge retention medium which, despite being obtained from a composition containing a fluorine-containing copolymer having recurring units based on tetrafluoroethylene and recurring units based on ethylene, has a surface el...  
WO/2012/070356A1
Disclosed is an electret which comprises a first region and a second region. The polarization direction of the first region along the thickness direction is in a first direction. The polarization direction of the second region along the ...  
WO/2012/040245A2
This document refers to apparatus and methods for a device layer of a microelectromechanical system (MEMS) sensor having vias with reduced shunt capacitance. In an example, a device layer can include a substrate having a pair of trenches...  
WO/2012/040245A3
This document refers to apparatus and methods for a device layer of a microelectromechanical system (MEMS) sensor having vias with reduced shunt capacitance. In an example, a device layer can include a substrate having a pair of trenches...  
WO/2012/011298A1
In the disclosed thermal dielectric power generating device, by means of introducing a fluid into a chamber (110) through openings (113, 114), a circuit board (101) bends towards either a first wall (111a) or a second wall (111b), and a ...  
WO/2012/007060A1
A semiconductor device comprising a semiconductor substrate and a composite capacitor structure on the semiconductor substrate, wherein the composite capacitor structure comprises a capacitor stack comprising a lower and an upper capacit...  
WO/2012/006431A3
A tactile sensor, computer readable medium, methods of using and manufacturing the tactile sensor, and methods and apparatuses for processing the information generated by the tactile sensor. The tactile sensor includes a planar optical w...  
WO/2011/149331A1
A novel humidity sensor is described. The capacitive humidity sensor comprises at least two pairs of electrode contact pads (24) spaced apart; and a moisture sensitive film (26) formed around the electrode contact pads. The sensor is cha...  
WO/2011/139137A1
The present invention provides a device with carbon nanotubes wherein the nanotubes (20) are grown vertically onto the substrate surface and in-between the fingers of an interdigital structure. The completed array of conductive interdigi...  
WO/2011/085931A1
Varactor comprising the following component parts: a first PTC region (4), which comprises a ceramic material with a positive temperature coefficient with respect to the resistance, and a capacitor region (3) comprising: a first electrod...  
WO/2011/065192A1
Disclosed is an MEMS switch capable of adjusting characteristic impedance to offset characteristic impedance disruption that may arise when in use. An MEMS switch (SD10) comprises a first tunable capacitor (CA11) disposed corresponding t...  
WO/2011/058826A1
Provided is a variable capacitance device which can, while suppressing the required DC voltage, be properly operated in a signal line through which passes a high voltage RF signal. A variable capacitance device (1) is provided with a sub...  
WO/2011/034186A1
Disclosed is an energy conversion film having a high ability to convert energy, wherein a porous resin film having a high expansion ratio is obtained by forming a thermoplastic resin stretched film having a specific structure even withou...  
WO/2011/013658A1
Disclosed is a capacitance element that can accurately secure a capacitance value, and a variable-capacitance element that can sufficiently secure a capacitance variability ratio. Further disclosed is a resonant circuit that uses these c...  
WO/2010/126012A1
Disclosed is an electret material having excellent charge retention properties under heated conditions. Specifically disclosed is an electret material (10) comprising an electrode plate (1), a semiconductive layer (2) formed on the elect...  
WO/2010/119869A1
Disclosed is a production process which can produce an electret material having an excellent charge-retentive property under heated conditions. Specifically disclosed is a process for producing an electret material, which comprises an ir...  
WO/2010/104387A1
A device and related method for producing electrical energy, in the form of current flowing in a load. The said method uses two solutions with different ionic concentration as energy source. The said device includes at least two electrod...  
WO/2010/095554A1
Disclosed is a process for manufacturing an electret that can realize high long-term stability of electrical charges carried therein and has high thermal stability and excellent charge-retaining properties. Also disclosed is an electrost...  
WO/2010/095553A1
Disclosed is a process for manufacturing an electret that can realize high long-term stability of electrical charges carried therein and has high thermal stability and excellent charge-retaining properties. Also disclosed is an electrost...  
WO/2010/067518A1
A plurality of strip-shaped base electrodes (27) are arranged in parallel to one another on the upper surface of a fixed substrate (22) and an electret (28) is formed on each of the base electrodes (27). The electret (28) has a width gr...  
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...  
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...  

Matches 51 - 100 out of 2,209