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WO/2012/000532 |
A vacuum capacitor (8) is described, having at least two electrodes (1, 2) in a vacuum (3), the electrodes being manufactured from, or coated with, aluminium or an aluminium alloy, and the housing of the vacuum capacitor (8) comprising a...
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WO/2011/158708 |
The disclosed variable capacitance device (1) is provided with a support board (2), a movable beam (6), underside RF capacitance electrodes (3A, 3B) and underside drive capacitance electrodes (4A, 4B). The movable beam (6) is disposed pa...
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WO/2011/159719 |
Disclosed is a proportional controller that utilizes a deflected metal cantilever (410) that provides a progressive change in capacitance for a given deflection that is used to generate a proportional control signal. In addition, a effic...
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WO/2011/158619 |
Provided is a variable capacitance device in which the minimum RF capacitance when the movable beam is in contact with the dielectric film can be made smaller than was previously possible. The variable capacitance device (1) includes a s...
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WO/2011/158620 |
Provided is a variable capacitance device which can prevent a failure of a MEMS, caused due to an electrostatic charge, and can easily maintain a constant correlation between a drive capacitance and a radio frequency (RF) capacitance. A ...
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WO/2011/152192 |
Provided is a variable capacitance element capable of preventing an MEMS operation failure caused by charge-up without increasing a driving DC voltage. The variable capacitance element (1) is characterized as follows: A movable beam (3) ...
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WO/2011/152653 |
Disclosed is a MEMS variable capacitor, the capacitor including a first electrode, a second electrode that is floated on an upper surface of the first electrode, and a third electrode capable of variably-adjusting a capacitance value by ...
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WO/2011/150572 |
The present application provides methods of producing polyanthracene including polymerization of anthracene monomers in the presence of oxidants and reaction solvents. The present application further provides polyanthracene produced by m...
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WO/2011/149311 |
Disclosed herein is an MEMS variable capacitor and its driving method, the MEMS variable capacitor including, a first electrode, a second electrode floating over the first electrode upper part, a fixed electrode separated at the second e...
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WO/2011/149308 |
Disclosed herein is a variable capacitor and its driving method, the variable capacitor including, a movable first electrode; and a second electrode formed with an insulating film, fixed in place, and its insulating film contacting the f...
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WO/2011/144805 |
In accordance with an example embodiment of the present invention, an apparatus is disclosed. The apparatus includes a base element (110), a key top (102), a single dome switch, and a capacitive sensing system (105). The key top is confi...
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WO/2011/142754 |
An accelerometer 100 can include a support structure 104 having situated thereupon a stator electrode array 106 including multiple stator electrodes 110 (e.g., A, B, and C); and a proof mass 102 positioned parallel to the stator electrod...
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WO/2011/132505 |
In order to be able to easily adjust the capacitance while maintaining the vacuum state of the vacuum chamber of a vacuum capacitor, a fixed electrode (4) is formed by stacking a plurality of planar electrode members (5) in the direction...
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WO/2011/107247 |
An implantable device is described for detecting an expansion, i.e. an elastic deformation, of an intracorporeal vessel wall, with a support structure which contains dielectric polymer, has surface elasticity, can be applied directly or ...
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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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