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WO/2011/096460 |
Disclosed is a variable capacitance element capable of stably obtaining desired capacitance even when fluctuating capacitance factors arise. A capacitance detecting signal of a pulse signal is applied by a capacitance detecting signal ge...
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WO/2011/097093 |
Systems including varactor devices are provided. A varactor device (400) includes a gap closing actuator (GCA) varactor (200), includes a drive comb structure (201), an output varactor structure (514) defining an output capacitance, a re...
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WO/2011/097093 |
Systems including varactor devices are provided. A varactor device (400) includes a gap closing actuator (GCA) varactor (200), includes a drive comb structure (201), an output varactor structure (514) defining an output capacitance, a re...
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WO/2011/092980 |
Disclosed is a variable capacitance device (1) which is provided with a substrate (2), a beam section (6), a drive capacitance (C1), a variable capacitance (C2), and a drive voltage control circuit (11). The beam section (6) has the cant...
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WO/2011/086767 |
A variable capacitance device (1) is provided with a substrate (2), a beam section (6), lower driving electrodes (3, 4, 5), and upper driving electrodes (8, 9). The beam section (6) is insulative, and is connected to the substrate (2) vi...
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WO/2011/088362 |
The present subject matter relates to MEMS tunable capacitors and methods for operating such capacitors. The tunable capacitor can feature a primary stationary actuator electrode on a substrate, a secondary stationary actuator electrode ...
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WO/2011/075366 |
A two-terminal, variable capacitance device is described that is constructed by connecting multiple MEMS devices having different actuation or "pull in" voltages in parallel.
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WO/2011/058826 |
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/2011/053888 |
A filter device is provided including a substrate (302) and a plurality of horizontal gap closing actuator (GCA) devices (550) disposed on a first surface of the substrate. The plurality of GCA devices includes and one or more GCA varact...
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WO/2011/003803 |
A method for fabricating an out-of-plane variable overlap MEMS capacitor comprises: providing a substrate (40) comprising a first layer (41), a second layer (42), and a third layer (43) stacked on top of one another; and etching a plural...
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WO/2010/147588 |
A memcapacitor device (100) includes a first electrode (104) and a second electrode (106) and a memcapacitive matrix (102) interposed between the first electrode (104) and the second electrode (106). Mobile dopants (111) are contained wi...
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WO/2010/137447 |
Support beams (9) that are set to a width dimension of no more than 4 µm are shaped by ICP etching and then subjected to heat oxidation treatment to oxidise the entire support beams (9). In this way, it is possible to prevent or suppres...
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WO/2010/113746 |
An inexpensive and compact variable capacitance module which can reliably and inexpensively achieve a variety of necessary variable capacitance ranges. The variable capacitance circuit (11) is provided with a variable capacitance element...
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WO/2010/103474 |
A MEMS electrostatic actuator comprises first and second opposing electrode arrangements, wherein at least one of the electrode arrangements is movable. A dielectric material (24) is adjacent the one of the electrode arrangements (22). T...
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WO/2010/064544 |
The issue is to maintain the vacuum in the vacuum chamber without using a bellows, permit capacitance to be easily adjusted, and mitigate lowered life of the vacuum capacitor. A stationary electrode (4) is made by laminating, within the ...
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WO/2010/064543 |
The issue is to maintain the vacuum in the vacuum chamber without using a bellows, permit capacitance to be easily adjusted, and mitigate lowered life of the vacuum capacitor. A stationary electrode (4) is made by laminating, within the ...
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WO/2010/055545 |
Disclosed are a highly reliable variable-capacitance element that can operate with low power consumption, and a manufacturing method therefor. Additionally provided is a capacitance setting method for the variable-capacitance element. Th...
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WO/2010/054383 |
Electrically conducting vanadium arsenate or vanadium phosphate materials are described. The materials include a vanadium arsenate or vanadium phosphate framework structure about organic template and water molecules which may be removed ...
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WO/2010/054383 |
Electrically conducting vanadium arsenate or vanadium phosphate materials are described. The materials include a vanadium arsenate or vanadium phosphate framework structure about organic template and water molecules which may be removed ...
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WO/2010/034764 |
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/2009/128048 |
The present invention relates to a MEMS, being developed for e.g. a mobile communication application, such as switch, tunable capacitor, tunable filter, phase shifter, multiplexer, voltage controlled oscillator, and tunable matching netw...
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WO/2009/113344 |
Insulating first and second substrates (1, 2) having through-holes (3, 4) in which copper (13, 14) is filled are disposed so that the respective substrate surfaces face each other with a space in-between. A fixed electrode (5) conducted ...
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WO/2009/104486 |
Provided is a structure of a microelectromechanical device wherein the gap can be made narrower. Also provided is a process for fabricating the microelectromechanical device. A microelectromechanical device comprises a resonator (22) and...
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WO/2009/095446 |
The invention relates to a capacitor arrangement having at least one capacitor with a variable capacitance (Varactor), having at least one capacitor electrode which is arranged on a capacitor mount, and at least one capacitor opposite el...
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WO/2009/092605 |
The present invention provides a new type of microelectromechanical capacitor, that allows ' a first selective deflection of a movable capacitance electrode to form an arched shape over a fixed capacitance electrode upon the application ...
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WO/2009/083541 |
Energy conversion system for converting a first voltage (Ve) to a second voltage (Vs), comprising, connected in parallel, at least one source (206) delivering a voltage (Ve), a discharge switch (218), a variable capacitor (202) and a col...
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WO/2009/066570 |
This aims to provide a vacuum capacitor comprising at least one conducting member constituting a hollow housing formed in the conducting member and a communicating hole for providing communication between the housing and a vacuum chamber...
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WO/2009/050209 |
Method for manufacturing a capacitor on a substrate, the capacitor including a first electrode (5) and a second electrode (12; 25), the first and second electrodes being separated by a cavity (16; 32), the substrate including an insulati...
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WO/2009/033501 |
The invention relates to a cooling system for a variable vacuum capacitor. A liquid is arranged inside a cooling reservoir (3), a first part of the reservoir (3.1) is designed to absorb heat energy from first bellows (6) of the variable ...
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WO/2009/030271 |
The invention relates to a mechanical drive system for a vacuum capacitor (1), which drive system comprises a drive screw (2) and a nut (3), wherein the nut (3) is arranged in a housing of the vacuum capacitor (1), wherein the drive scre...
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WO/2009/028269 |
In the upper face of a substrate (22), there are formed a plurality of recesses (25). In one recess, a variable condenser (27) is formed by mounting a plate-shaped stationary electrode (30) on the bottom face of the recess (25) and by mo...
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WO/2009/015151 |
A self-sensing dielectric actuator system. The system has a deformable dielectric material between two electrodes. A relatively low frequency actuating signal is applied to the electrodes and thereby causes the dielectric material to def...
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WO/2009/008257 |
In an insulation tube, a longitudinal-section shape of a side wall is arched, allowing its creepage distance to be made longer relative to a simple cylindrical insulation tube member, without increasing its axial length (spatial distance...
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WO/2009/001778 |
A perfluoropolyether having heat resistance and containing a fluorine component in a relatively large quantity is applied, as a lubricating agent, on a sliding surface of each of a movable conductor support member and a bearing part. The...
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WO/2008/152559 |
A MEMS tunable capacitor comprises first and second opposing capacitor electrodes (10,12), wherein the second capacitor electrode (12) is movable by a MEMS switch to vary the capacitor dielectric spacing, and thereby tune the capacitance...
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WO/2008/152559 |
A MEMS tunable capacitor comprises first and second opposing capacitor electrodes (10,12), wherein the second capacitor electrode (12) is movable by a MEMS switch to vary the capacitor dielectric spacing, and thereby tune the capacitance...
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WO/2008/145477 |
The invention relates to a capacitor structure (1) with a variable capacitance, having at least one capacitor (101) with at least one capacitor electrode (5a, 5e), at least one opposing capacitor electrode (10a) which is arranged at a va...
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WO/2008/075613 |
Provided is a variable capacitor comprising a first electrode portion disposed in a stationary portion containing a substrate, and a movable portion including a second electrode portion for establishing the capacity of the variable capac...
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WO/2008/070115 |
Substrates with slotted metals and related methods are provided. According to one aspect, a slotted metal attached to a substrate can include a metal patterned with slots less than or about equal to 2 microns. The slots can result in lin...
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WO/2008/068677 |
The present invention relates to a solid-state variable capacitor, comprising a first capacitor plate (10), a second capacitor plate (12), extending substantially parallel to the first capacitor plate (10) and on a distance from said fir...
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WO/2008/066718 |
A pair of conductors, spaced apart on the same first surface, form stators of a pair of series connected capacitors in combination with a floating moveable conductor disposed on a parallel second surface with a dielectric in the space be...
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WO/2008/053704 |
Provided is a variable-capacity element including: a plurality of unit capacity elements, each having a fixed electrode mounted on a surface of a substrate, a floating electrode arranged to oppose to the fixed electrode and apart from th...
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WO/2008/047563 |
Driving is made possible in a moving range equivalent to or wider than the conventional range, in a range of driving voltages smaller than a pull-in voltage. An electronic element (1) is provided with fixed sections (11, 13), and a movab...
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WO/2008/043395 |
The present invention relates to a capacitance arrangement (10) comprising at least one parallel-plate capacitor comprising a first electrode means, a dielectric layer and a second electrode means partly overlapping each other, the equiv...
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WO/2007/131796 |
The invention relates to a semiconductor actuator comprising a substrate base (1), a bending structure (2) which is connected to the substrate base and can be bent at least partially in relation to the substrate base and is provided with...
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WO/2007/131796 |
The invention relates to a semiconductor actuator comprising a substrate base (1), a bending structure (2) which is connected to the substrate base and can be bent at least partially in relation to the substrate base and is provided with...
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WO/2007/120576 |
The devices presented herein are capacitive sensors with single crysta silicon on all key stress points. Isolating trenches are formed by trench and refill forning dielectrically isolated conductive silicon electrodes for drive, sense an...
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WO/2007/103537 |
Tunable impedance matching networks and tunable diplexer matching systems are provided A tunable impedance matching network can include an impedance element connected between first and second nodes for communicating signals between the f...
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WO/2007/103546 |
Micro-electro-mechanical system (MEMS) variable capacitors and actuation components and related methods are provided. A MEMS variable capacitor can include first and second feed lines extending substantially parallel to one another. Furt...
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WO/2007/101916 |
The invention relates to a method and apparatus for measuring electrical power travelling in a conductor (3). In the apparatus there are means for measuring simultaneously voltage (U) and current (I). The apparatus according to the inven...
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