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WO/2006/131461A1 |
The invention relates to a capacitor (10) with a variable capacitance, comprising at least one electrode (11) and at least one counter-electrode (12) situated opposite the electrode at a variable distance (13) therefrom. The capacitor is...
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WO/2006/130512A1 |
An ultracapacitor or hybrid capacitor includes an electrically non-conductive rigid or semi-rigid porous honeycomb separator structure having cells extending along a common direction and supporting current collector structure(s) thereon....
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WO/2006/130511A1 |
An ultracapacitor or hybrid capacitor includes an electrically non-conductive rigid or semi-rigid porous honeycomb structure (12) having cells extending along a common direction and having an average density per unit area within in a pla...
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WO/2006/116607A2 |
An adjustable capacitor has a tubular housing including a first insulating section and a second section having a conductive portion at the exterior surface thereof forming an external terminal. An external terminal conductor is joined to...
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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...
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WO/2006/105031A1 |
A microelectromechanical (MEMS) switch is disclosed. The MEMS switch includes a substrate (205), a plurality of actuation electrodes (230) mounted on the substrate, a plurality of bottom electrodes (210) mounted on the substrate, a capac...
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WO/2006/095103A1 |
The invention essentially relates to a variable-capacity capacitor comprising at least two interdigial combs (102, 104) which are equipped with teeth (108.1, 108.2, 108.3,... 108. n, 109.1, 109.2, 109.3, ...109. n), in which the cross-se...
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WO/2006/076182A1 |
A micro-electro-mechanical variable capacitor device including a first substrate (24) ; a first contact (34) disposed on a first surface of the substrate; a piezoelectric actuator (16) disposed over the first surface of the substrate; a ...
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WO/2006/054006A2 |
The invention concerns variable capacitance (1) based on a novel principle: a dielectric fluid (20) is placed in the air gap formed by two capacitor electrodes (12, 14), the fluid being mobile towards and out of the cavity (10) formed be...
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WO/2006/019301A1 |
It is described a capacitor assembly comprising tunable capacitors where two or several fixed metal surfaces with any shape and mounting method, and one or several di electrical discs or tubes are inserted between the metal surfaces usin...
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WO/2005/117042A1 |
A lower movable electrode (35) having line parts (35a, 35a) on the opposite end sides and a capacitor part (35b) on the central side, and an upper movable electrode (37) having line parts (37a, 37a) on the opposite end sides and a capaci...
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WO/2005/081273A1 |
The invention relates to a circuit arrangement comprising an adjustable capacitor which is arranged on a carrier and which comprises two capacitor plates and a dielectric layer (5) which is arranged between the two capacitor plates. The ...
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WO/2005/064701A2 |
The microelectromechanical system (MEMS) element (101) comprises a first electrode (31) that is present on a surface of a substrate (30) and a movable element (40), which overlies at least partially the first electrode (31) and comprises...
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WO/2005/059932A1 |
The invention relates to a capacitor (100) having a variable capacitance, comprising at least one electrode (101) and at least one counter electrode (102) placed at a variable distance (107) from the electrode opposite therefrom. The cap...
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WO/2005/059933A1 |
Positional controllability of a member being displaced through electrical driving is enhanced by stabilizing the position under initial state. The displacing element comprises cantilever beams (12, 13) fixed at their fixation end parts (...
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WO/2005/052966A1 |
A displacement element having a beam in a state of being supported at its opposite ends and having the excellent controllability of an absolute position in an initial state. In the beam (12) formed such that a plurality of functional mat...
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WO/2005/050680A1 |
A silicon nitride film (103) and another silicon nitride film (106) are so formed as to cover a charged silicon oxide film (105) which is to be an electret.
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WO/2005/042400A1 |
The electronic device comprising a micro-electromechanical systems (MEMS) element at a first side of a substrate (14). The MEMS element comprises a first electrode (101) and a second electrode (11), that is part of a movable element and ...
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WO/2005/043573A2 |
16 ABSTRACT: A method of manufacturing a micro-electromechanical systems (MEMS) device, comprising providing a base layer (10) and a mechanical layer (12) on a substrate (14), providing a sacrificial layer (16) between the base layer (10...
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WO/2005/027257A1 |
A variable capacitance element in which the capacitance can be varied stably relative to temperature variation etc. by warping a movable body constantly in one direction and reliability is enhanced. The movable body (6) is provided displ...
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WO/2004/095540A2 |
A method for fabricating a variable capacitive device including providing a base silicon-bearing compound electrode (107a-107c) which is vertically-inclined with respect to a substrate, depositing a sacrificial layer on the base electrod...
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WO/2004/085975A1 |
A main sensor electrode portion 3 and a reference sensor electrode portion 4 are patterned and deposited on the surface of a support 10, and a lead portion 4b of the main sensor electrode portion 4 is extended to an upper end of the supp...
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WO2004055935A9 |
Micro-electro-mechanical system (MEMS) variable capacitor apparatuses, system and related methods are provided.
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WO/2004/075247A2 |
The invention relate to an electronic component comprising at least one adjustable-capacitance micro-electro-mechanical capacitor with two electrodes which can move in relation to one another. The invention also includes a control circui...
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WO2003106326B1 |
According to one embodiment, a MEMS variable capacitor (100) is provided. The variable capacitor can include first and second electrodes (112, 116) being spaced apart, and at least one of the electrodes being movable when a voltage is ap...
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WO/2004/049360A1 |
The invention relates to a variable capacitor (1) comprising a torsion shaft (6) and a drive unit (3). Said torsion shaft is provided with a greater electrical insulation distance (D) than previously known drive clutches while having a d...
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WO/2004/047190A2 |
A radio frequency (RF) micro electro-mechanical system (MEMS) device and method of making same are provided, the device including an RF circuit substrate (24) and an RF conducting path (32, 34) disposed on the RF circuit substrate, a pie...
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WO/2004/038916A2 |
A three-dimensional micro-electromechanical (MEM) varactor is described wherein a movable beam (50) and fixed electrodes (51) are respectively fabricated on separate substrates coupled to each other. The movable beam with comb-drive elec...
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WO/2004/038848A2 |
A device for varying the capacitance of an electronic circuit is disclosed. The device comprises a flexible membrane located above the electronic circuit, a metal layerconnected to the flexible membrane, and bias circuitry located above ...
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WO/2004/038818A2 |
An actuating assembly for tuning a circuit and a process for forming a carrier substrate containing a membrane, a conductive layer, and piezoelectric actuators are disclosed.The actuating assembly comprises a membrane (1) overlying a cir...
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WO2002043089A9 |
An electronic device, such as a filter of phase shifter, for example, includes a substrate, and a MEMS capacitor on the substrate and having a plurality of selectable capacitance values. The MEMS capacitor includes a lower capacitor elec...
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WO/2004/000717A2 |
A micro-electromechanical variable capacitor with first and second capacitor plates spaced apart to define a gap therebetween. The first plate has two control electrodes and an active electrode. The second plate is movable relative to fi...
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WO2003028789A9 |
The invention relates to a variable capacitor which, due to its particular arrangement of electrodes (9, 10, 11, 12), enables a significantly higher current flow than generally known constructions having the same or a similar structural ...
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WO/2003/078299A1 |
The invention concerns a process for manufacturing a Micro-Electro-Mechanical-System (MEMS) comprising the use of a sacrificial layer, the process being characterized by the fact that the sacrificial layer is made of silicon.The inventio...
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WO/2003/058656A2 |
A high power slide tuning capacitor (200) integrated into a circuit board adapted to function at RF and microwave frequencies. The capacitor (200) is comprised of a dielectric substrate (26) with a cavity (28) cut into a side of the subs...
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WO/2003/055061A1 |
A micromachined variable capacitor structure is used as a modulation mechanism for a differential parametric amplifier. The capacitance of the capacitor structure is modulated by a control signal while a differential signal is applied to...
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WO/2003/036669A1 |
Capacitors (10,20,40,50,70,80) having a fluid dielectric material that is transported or undergoes a phase change are disclosed. The dielectric medium change results in a change in the total dielectric constant of the material between th...
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WO/2003/036668A2 |
The invention concerns a variable capacitance MEMS-based micro-capacitor comprising: at least a fixed electrode (3) arranged on one side of a substrate (1), bending means relative to the substrate surface and comprising at least a mobile...
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WO/2003/034452A1 |
A variable capacitance capacitor device being fabricated by micro electromechanical system technology, comprising an insulating substrate (2) having one side (2a) on which at least two capacitor electrodes (3, 4) are formed while being i...
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WO/2003/025958A2 |
The invention concerns a device for mechanically regulating an electrical capacitance. Said device comprises a first electrode structure (10) including first (16) and second (24) surfaces, the first surface (16) having at least a project...
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WO/2003/009319A1 |
A force or pressure transducer (200) is disclosed. In one embodiment, the transducer (200) has a substrate (230), a dielectric material (220), disposed on the substrate (230), a spacing member (240), and a resilient element (210) dispose...
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WO/2003/009461A1 |
The invention relates to a device for detecting the position of a rotor (1), relative to a stator (2), with at least one electrode (3) on the rotor and at least one electrode (4) on the stator, arranged such that the electrodes (3, 4) at...
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WO2002073671A9 |
A varactor includes a first capacitor plate (12), a second capacitor plate, at least one fixed charge holder, and a control electrode. The second capacitor (14) (1), plate is spaced from and movable towards and away from the first capaci...
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WO2001056046A9 |
The invention relates to a variable capacitor and method of making it. The variable capacitor comprises a fixed charge plate disposed in a substrate, a movable charge plate disposed above the fixed charge plate, and a stiffener affixed t...
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WO/2002/079076A1 |
MEMS devices include a substrate, an anchor attached to the substrate, and a multilayer member attached to the anchor and spaced apart from the substrate. The multilayer member can have a first portion that is remote from the anchor and ...
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WO/2002/059921A1 |
A high-$i(Q) micromechanical device such as a capacitor and method of tuning same by electrostatically moving the capacitor"s dielectric are provided. The high-$i(Q), tunable, micromechanical capacitor is realized using an IC-compatible,...
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WO/2002/052592A2 |
The present invention relates to a stepped micro electromechanical structure (MEMS) capacitor that is actuated by a plurality of MEMS switches may be within the stepped capacitor circuit, or they may be actuated by an independent circuit...
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WO/2002/016973A2 |
The present invention involves forming layers of conductive material (12, 16; 17, 18) and dielectric material (14) or material with varying conductivity and indexes of refraction to form various electronic and optical devices.
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WO/2002/012117A1 |
The invention relates to an assembly having a variable capacitance and to a method for operating said assembly. In the assembly, a modifiable covering or a modifiable distance of at least one first (4) and one second electrically conduct...
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WO/2002/003043A1 |
A capacity type pressure sensor, comprising a first substrate (1), a first flat plate electrode (1a) disposed on the first substrate (1), a pressure-sensing frame part (4) surrounding the first flat plate electrode (1a) provided on the f...
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