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WO/2019/057582A1 |
The invention relates to a plate capacitor comprising a first capacitor plate (100) arranged at a distance from a second capacitor plate (200). According to the invention, the first capacitor plate (100) is produced from an elastic mater...
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WO/2019/031565A1 |
Provided is a method for manufacturing a MEMS vibration element having a fixed electrode, a movable electrode, and an elastic support portion that elastically supports the movable electrode with respect to the fixed electrode, the method...
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WO/2018/235391A1 |
A vacuum capacitor (1) in which a fixed electrode (3) and a movable electrode (4) are opposed to each other in a vacuum container (2). The vacuum container (2) is formed by closing an insulating cylinder portion (5) with a fixed-side pla...
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WO/2018/189402A1 |
A variable vacuum capacitor is described in which oil inside the main bellows (21) is pumped through the bellows and through the oil circuit (8) of a heat exchanger by a pump (15). Water passes through coolant channels (6) of the heat ex...
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WO/2018/180202A1 |
In this invention, a circular accelerator is provided with a rotating capacitor inside a casing, and comprises a stator electrode (2) and a rotor electrode (3) having a rotor electrode surface, which, together with a stator electrode sur...
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WO/2018/081735A1 |
A capacitive vapor sensor, sensor system, and method for determining a vapor concentration is provided. The capacitive sensor includes a first electrode and a second electrode. The first and second electrodes are configured to provide a ...
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WO/2018/080947A2 |
Described herein is a sensor including a sensing electrode structure and a motion-responsive structure in capacitive communication with the sensing electrode structure, the sensing electrode structure and the motion-responsive structure ...
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WO/2018/056062A1 |
[Problem] To provide a stretchable capacitor that shows a 1:1 relationship between degree of stretching and capacitance and has high sensitivity and no hysteresis, and to apply the same to a respiration sensor or sensing wear. [Solution]...
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WO/2018/043126A1 |
A method for manufacturing a vacuum capacitor (1) provided with an insulating pipe (2), terminal electrodes (3, 4) disposed at opening ends of the insulating pipe (2), and spiral electrodes (5, 6) connected to the terminal electrodes (3,...
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WO/2018/037291A1 |
According to the present invention there is provided a capacitor (100, 200,900,120,150,300) comprising, a flexible strip (1,50,60,110,130,260) comprising a first region (2a) having a plurality of nodules (5,61,261,262) and a second regio...
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WO/2017/184354A1 |
Systems and apparatuses are provided for increasing the possible force and/or travel generated in MEMS devices. For example, comb fingers may be utilized to form a strain actuator to generate larger forces. As another example, the force ...
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WO/2017/087340A1 |
The present invention generally relates to a mechanism for making the anchor of the MEMS switch more robust for current handling.
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WO/2017/044311A1 |
A ring electrode to determine the orientation of the stylus relative to the surface. The stylus can include a ring electrode configuration which can improve capacitive coupling between the ring electrode and the touch panel. The ring ele...
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WO/2017/011267A1 |
A tunable reactance device and methods of manufacturing and using the same are disclosed. The tunable reactance device includes a substrate, a microelectromechanical (MEM) structure supported on the substrate and comprising a conductive ...
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WO/2016/142832A1 |
A MEMS structure that provides an improved way to selectively control electromechanical properties of a MEMS device with an applied voltage. The MEMS structure includes a capacitor element that comprises at least one stator element (6, 1...
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WO/2016/122174A1 |
A linear motion variable vacuum capacitor according to one embodiment of the present invention comprises: a variable vacuum capacitor including a first electrode, a second electrode arranged opposite to the first electrode, a linear moti...
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WO/2016/116451A1 |
A low passive intermodulation (PIM) RF rotary switch comprises a plurality of center conductors connected to stationary pads, at least two rotatable pads connected by a rotatable pad bridge. Depending on the switching state at least two ...
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WO/2016/114674A1 |
In one aspect the invention provides an electromechanical device having a conductive component which is stretchable and having a conductive lead to connect the component to an electrical circuit. The conductive lead may be arranged as th...
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WO/2016/057333A1 |
An illustrative electrostatic machine includes a shaft that is configured to rotate about an axis, a rotor electrode, and a stator electrode. The rotor electrode and the stator electrode are separated by a gap and form a capacitor. The r...
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WO/2015/184952A1 |
Disclosed are a high-capacity continuously variable capacitor and a setting method therefor. The high-capacity continuously variable capacitor comprises two movable pole plates, two pole columns and a rotary shaft, wherein each of the mo...
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WO/2015/183841A1 |
A switchable capacitor (100) including a first electrode (104), a dielectric layer (110) on the first electrode (104), a second electrode (106) configured to be suspended in an undeflected position over the dielectric layer (110) in a de...
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WO/2015/168770A1 |
A cable reel can improve transfer of power and data between a static frame and a cable wound around a rotatable element. The cable reel can use torsional springs to store mechanical energy and also to electrically couple the cable to a n...
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WO/2015/090380A1 |
An AC power connector (10) for connecting an AC power supply (20) with a device (30) is provided. The AC power connector includes at least one first element (11) connectable with the AC power supply and at least one second element (12) c...
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WO/2015/050761A1 |
The present invention generally relates to a MEMS device and a method of manufacture thereof. The RF electrode, and hence, the dielectric layer thereover, has a curved upper surface that substantially matches the contact area of the bott...
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WO/2015/035120A1 |
The present invention generally relates to a mechanism for testing a MEMS hysteresis. A power management circuit may be coupled to the electrodes that cause the movable plate that is disposed between the electrodes in a MEMS device to mo...
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WO/2015/026516A1 |
Integrated Microelectromechanical System ("MEMS") devices and methods for making the same. The MEMS devices comprise a substrate (200) and a MEMS filter device (100) mechanically suspended above a major surface of the substrate. A first ...
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WO/2015/017743A1 |
The present invention generally relates to a MEMS DVC utilizing one or more MIM capacitors. The MIM capacitor may be disposed between the MEMS device and the RF pad or the MIM capacitor may be integrated into the MEMS device itself. The ...
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WO/2015/009360A1 |
The present invention generally relates to a MEMS DVC. The MEMS DVC has an RF electrode and is formed above a CMOS substrate. To reduce noise in the RF signal, a poly-resistor that is connected between a waveform controller and the elect...
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WO/2014/209556A1 |
The present invention generally relates to a MEMS digital variable capacitor (DVC) (900) and a method for manufacture thereof. The movable plate (938) within a MEMS DVC should have the same stress level to ensure proper operation of the ...
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WO/2014/196584A1 |
Provided is a capacitive transducer with improved reliability of sealing. The capacitive transducer includes a cell and a sealing portion. The cell includes a first electrode and a vibrating membrane having a second electrode formed to o...
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WO/2014/191041A1 |
A vacuum variable vapacitor (1) comprising a pre-vacuum enclosure (21) for reducing a pressure differential across the bellows (11). The vacuum force load on the drive system (9, 14) can thereby be reduced, allowing faster movement of th...
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WO/2014/191510A1 |
A vacuum variable vapacitor (1) comprising a pre-vacuum enclosure (21) for reducing a pressure differential across the bellows (11), wherein a drive means (34; 40) is disposed outside the enclosures(2; 21) of the vacuum variable capacito...
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WO/2014/189917A1 |
The present invention generally relates to a method and apparatus for damping a plate electrode or switching element in a MEMS DVC device. A resistor disposed between a waveform controller and the electrodes of the MEMS DVC causes the vo...
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WO/2014/186656A1 |
The present invention generally relates to a method of operating a MEMS DVC while minimizing impact of the MEMS device on contact surfaces. By reducing the drive voltage upon the pull-in movement of the MEMS device, the acceleration of t...
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WO/2014/178988A1 |
The present invention generally relates to a MEMS DVC having a shielding electrode structure between the RF electrode and one or more other electrodes that cause a plate to move. The shielding electrode structure may be grounded and, in ...
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WO/2014/178492A1 |
The present invention relates to a micro generator and a power generation method using a liquid droplet, for generating electricity using an alternating current voltage induced by a change of a contact area between an electrode plate and...
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WO/2014/165624A1 |
The present invention generally relates to a MEMS DVC and a method for fabrication thereof. The MEMS DVC comprises a plate movable from a position spaced a first distance from an RF electrode and a second position spaced a second distanc...
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WO/2014/145646A1 |
Devices and methods of operating partitioned actuator plates to obtain a desirable shape of a movable component of a micro-electro¬ mechanical system (MEMS) device. The subject matter described herein can in some embodiments include a m...
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WO/2014/091520A1 |
Provided is a variable capacitor array which excels in capacitance linearity without the chip area becoming larger. N variable capacitor elements (10) are disposed on the same silicon substrate (2). Each variable capacitor element (10) h...
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WO/2014/064185A1 |
The MEMS fixed capacitor (1) comprises a bottom metal electrode (3) formed onto a substrate (S), a top metal electrode (2) supported by metal pillars (5) above the bottom metal electrode, and a gas-containing gap (4) forming a non-solid ...
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WO/2014/058004A1 |
[Problem] The purpose of the present invention is to provide a variable capacitance capacitor configured so that a range of a variable capacitance can be increased and capacitance fluctuations due to influences of acceleration exerted fr...
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WO/2014/054751A1 |
[Problem] The purpose of the invention is to provide a variable capacitor such that the adjustable range of the distance between opposing capacitance electrodes can be increased. [Solution] The invention provides a variable capacitor (10...
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WO/2014/047525A1 |
Systems, devices, and methods for micro-electro-mechanical system (MEMS) tunable capacitors can include a fixed actuation electrode attached to a substrate, a fixed capacitive electrode attached to the substrate, and a movable component ...
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WO/2014/043328A1 |
A wide range tunable capacitor bank is provided. The capacitor bank comprises a variable capacitor, the capacitance value of which is adjustable within a predetermined capacitance range defined by a minimum capacitance value and a maximu...
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WO/2014/038086A1 |
The purpose of the present invention is to reduce the circuit area of a variable capacity circuit. A variable capacity part (12-1) includes a plurality of variable capacity elements (C1a, C1b) that is connected to a signal line (11) and ...
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WO/2014/025844A1 |
A variable capacitor (300) comprises cells (200, 400) that have an RF electrode (202, 402) coupled to a bond pad (30). Each cell comprises a plurality of MEMS devices (100) the capacitance of which can be changed by means of a movable el...
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WO/2014/018081A1 |
A switchable capacitor having: a dielectric; a pair of electrodes, a first one of the electrodes having the dielectric thereon and a second, flexible one of the electrodes being suspended over the dielectric when the switchable capacitor...
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WO/2014/000246A1 |
Disclosed is a preparation method of graphene film. The method comprises the following steps: providing a clean substrate, followed by positively charged processing of the substrate surface; preparing suspension of graphene with negative...
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WO/2013/188633A1 |
The present invention generally relates to methods for increasing the lifetime of MEMS devices by reducing the number of movements of a switching element in the MEMS device. Rather than returning to a ground state between cycles, the swi...
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WO/2013/113401A1 |
A variable vacuum capacitor is described in which two pairs of electrodes (7, 8, 17, 18) are ganged together in series such that no moving parts are required to connect electrically to any static parts. Two sets, or gangs, of movable ele...
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