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WO/2015/011460A1 |
A system is disclosed for restoring a surface field potential of an electret material. An oscillator generates an oscillating output, and a power amplifier amplifies the oscillating output. A step-up transformer generates a high voltage ...
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WO/2015/013615A2 |
A garment includes a supercapacitor and/or heated fabrics including a first conductive yarn knitted to as to form a current collector and a second conductive yarn knitted to as to form an electrode that is in electrical contact with the ...
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WO/2015/005420A1 |
The present invention relates to a piezoelectric sheet, a manufacturing method of said sheet, and a piezoelectric laminate, wherein said piezoelectric sheet contains a nonwoven fabric or a woven fabric formed using fibers containing an o...
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WO/2014/202766A1 |
The invention relates to an apparatus comprising at least one first charged charge store (12) and at least one second charged charge store (14), wherein one of the charge stores (12) is negatively charged and at least one other (14) of t...
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WO/2014/155862A1 |
This variable-capacitance element (10) is provided with a ferroelectric capacitor (C1), a control terminal (P13), a ground terminal (P14), and another capacitor (C2). The ferroelectric capacitor (C1) comprises a ferroelectric film and ca...
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WO/2014/138641A1 |
A circuit utilizing memcapacitive elements for mixed memory storage and polymorphic computing is introduced. The circuit includes a plurality of memory cells each selectively or fixedly connected to a word line, bit line and dual bit lin...
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WO/2014/132823A1 |
The purpose of the invention is to improve the electrical characteristics of a capacitance device equipped with a plurality of capacitances connected in series in a stacking direction of internal electrodes. In the capacitance device, a ...
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WO/2014/129317A1 |
Provided is a variable capacitance circuit, which sets a capacitance value by means of a direct current voltage applied to a variable capacitance capacitor, and which is capable of effectively optimizing transmission efficiency of an ant...
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WO/2014/124413A1 |
Multi-step deposition of lead-zirconium-titanate (PZT) ferroelectric material. An initial portion of the PZT material is deposited by metalorganic chemical vapor deposition (MOCVD) at a low deposition rate (74), for example at a temperat...
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WO/2014/120906A1 |
A system on chip (SoC) provides a memory array of nonvolatile bit cells. Each bit cell includes two ferroelectric capacitors C1, C2 connected in series between a first plate line PL1 and a second plate line PL2, such that a node Q (404) ...
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WO/2014/084729A1 |
An infrared radiation device, comprising an electrically isolating bearer having a plurality of electric conductors forming an electric resistance radiation element for emitting infrared radiation when powered by an electric power source...
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WO/2014/069477A1 |
A piezoelectric stack having a porous resin sheet and a surface-coating layer stacked on the front and/or back surface of the porous resin sheet, which are the outside surfaces of the surface-coating layer, the volume resistivity of the ...
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WO/2014/024716A1 |
Provided are a variable capacitance element whereby capacitance variance among variable capacitance elements is further reduced, and a packaged circuit that includes the variable capacitance element. A variable capacitance element (10) i...
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WO/2014/019927A1 |
An electret is manufactured by providing a dielectric material to be configured in at least first and second coalescable portions, applying charge on the first of the portions to produce a spatial pattern, and coalescing the second of th...
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WO/2014/017204A1 |
Electrodes (5a, 5b) are positioned on both surfaces of an electret dielectric (3) in such a manner as to face the electret dielectric (3). In addition, spacers (7) are disposed between the electret dielectric (3) and the electrodes (5a, ...
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WO/2014/017184A1 |
A vibration power generation body (1) is primarily composed of an electret dielectric (3), electrodes (5a, 5b), and spacers (7). The electrodes (5a, 5b) are positioned on both surface of the electret dielectric (3) in such a manner as to...
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WO/2013/183472A1 |
Ferroelectric capacitors (C1-C6) are constituted as a serial circuit. A first end of the serial circuit is connected to a port (P11) and a second end is connected to a port (P12). Resistors (R31, R32, R33) constitute a first resistance v...
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WO/2013/177543A1 |
A magnetic supercapacitor has a dielectric layer positioned between magnetic layers. The magnetic layers may comprise hard, soft magnetic material or magnetic exchange coupled magnet (i.e. soft and hard magnet composite). A magnetic flux...
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WO/2013/157505A1 |
Provided is an electret structure (1) having: a fluorine resin film (21); a back electrode (22) formed on one surface of the fluorine resin film (21); and a silica layer (20) formed on the other surface of the fluorine resin film (21); t...
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WO/2013/129142A1 |
[Problem] To provide a cellular resin sheet for piezoelectric elements which is capable of retaining high piezoelectric properties in a wide use temperature range over a long period and which is excellent in terms of environmental resist...
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WO/2013/061730A1 |
This capacitance element (variable capacitance element (1)) comprises: a capacitance element main body (2) comprising a dielectric layer, and at least one pair of internal electrodes (10) formed having the dielectric layer sandwiched the...
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WO/2013/021425A1 |
[Problem] To provide an electronic device having a novelly structured variable capacitance element using a liquid crystal. [Solution] An electric device having a variable capacitance element includes a dielectric substrate, a high freque...
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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...
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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...
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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...
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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...
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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...
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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...
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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-...
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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 ...
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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...
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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...
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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...
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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 ...
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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...
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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 ...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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