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WO/2001/099131A2 |
This invention relates to an apparatus and method of using a high frequency, high power, fluid dielectric variable capacitor for an impedance matching network. The apparatus consists of a bow-tie rotary vane, a set of two fixed vanes, an...
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WO/2001/088933A1 |
A new type of high-Q variable capacitor includes a substrate (12), a first electrically conductive layer (14) fixed to the substrate, a dielectric layer (24) fixed to a portion of the electrically conductive layer, and a second electrica...
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WO/2001/067472A1 |
The invention relates to bellows in a vacuum capacitor, whose bellows structure (1) consists of a support material (2) and at least one electrically conductive layer (5, 6), whereby the latter has a uniform thickness over the entire bell...
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WO/2001/045119A2 |
The invention relates to a tunable high-frequency capacitor, comprising a first and a second fixed electrode (102a, 102b), whereby the first fixed electrode (102a) has a high-frequency input connection (114) and the second fixed electrod...
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WO/2001/045120A2 |
A variable capacitor having low loss and a correspondingly high Q is provided. In addition to a substrate, the variable capacitor includes at least one substrate electrode and a substrate capacitor plate that are disposed upon the substr...
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WO/2001/029853A1 |
An improved vacuum variable capacitor (200) can include one or more characteristics that provide advantages over previous vacuum variable capacitors. In particular, the vacuum variable capacitor can be constructed so as to enable the cap...
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WO/2000/077804A1 |
The invention relates to a micromechanically produced tunable capacitor consisting of at least one fixed electrode (2) and at least one movably suspended electrode (3) that are configured as counter electrodes in relation to one another ...
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WO/2000/075999A1 |
The present invention refers to a variable capacitance (10, 10a, 10b, 10'a, 10'b) comprising a first conductive layer (11, 11'), a second conductive layer (12, 12') and a semiconductor layer (14, 14'), said first and second layers (11, 1...
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WO1999065123A9 |
A pulsed laser system includes a laser pump (14), a laser rod (12), a reflector (18) interposed between the laser pump and the laser rod, through which energy from the laser pump enters the laser rod, an output reflector (28) through whi...
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WO/1999/063558A1 |
An array (100) of voltage variable capacitors (110) is provided in which voltage variable capacitors (110) are fabricated with piezoelectric displacement devices (150). Voltage variable capacitors (110) have first plates (120) which are ...
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WO1998057318B1 |
Disclosed are cross-talk resistant drive circuitry for electrostatic video displays and flexible, foldable and shaped embodiments of such displays including books, fanfolds and scrolls employing flexible polymer film construction. Transi...
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WO/1998/024130A1 |
There are provided an actuator part main body (26) which has an antiferroelectric film (22) and a pair of electrodes (24a and 24b) formed on one major face (surface) of the antiferroelectric film (33), a vibratory part (18) which support...
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WO/1997/007517A2 |
An electrostatically controlled, micromachined micromechanical capacitor having an adjustable, extensive tuning range. One configuration of the microcapacitor consists of a set of rotatable plates (14) adjacent to each other. Another con...
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WO/1995/020230A1 |
A variable capacitance type pressure sensor (10) with excellent manufacturability center-mounts an electrode (20) on an edge-mounted diaphragm (16) using a metal-glass-metal subassembly (18). An inner metal post (28) of the assembly is w...
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WO/1994/014176A1 |
A microresonant structure includes a first fixed electrode (22) for receiving input, a second fixed electrode (23) for transmitting output, and a movable electrode (27) located between the first and second fixed electrodes. The electrode...
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WO/1993/025880A1 |
A capacitive pressure transducer (10) is made of aluminosilicate glass or any other glass having a low thermal coefficient.
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WO/1993/024922A1 |
Electromagnetic-wave-modulating capacitors (10) having transparent movable electrodes (20, 22, 24, 26) and conductive fixed electrodes (14) are low-cost, low-energy, reliable and fast-acting elements for employment in highly transparent ...
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WO/1993/006610A1 |
A monolithic capacitor (101) whose capacitance can be varied by removing part of an electrode (106). The capacitor may comprise an end termination (105), coupled to a plurality of internal electrodes (103), which are disposed in a dielec...
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WO/1991/013451A1 |
Apparatus for tuning an NMR probe coil (10) to a desired frequency (omega) and matching the coil (10) and the apparatus to a desired input impedance (20) comprises a differential capacitor (54, 70, 80, 120) having first, second and third...
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WO/1991/010347A2 |
A method for mounting a machine part on a support involves: forming a raised projecting portion located substantially perpendicularly to the connecting face (3) of the anchoring base; depositing a layer of at least one of the components ...
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WO/1989/000277A1 |
The invention concerns capacitor elements with electrode surface patterns in which the electrode surfaces (11) are free of contact holes and are applied to a substrate layer (13) with pre-existing contacting holes (12). The tracks (14) p...
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WO/1987/004301A1 |
An electrically variable three terminal monomorphic piezoelectric capacitor is manufactured with thick or thin film hybrid microelectronic circuit technology. A first capacitor plate (12) and a ridge (16), which substantially surrounds a...
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WO/1986/004182A1 |
A variable gap device which comprises a suitable material (12) with a cavity (13) formed therein mounted over a body (10). One of the material (12) or the body (10) is deformable. Elements (11, 14) are formed on the surface of the body (...
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WO/1986/002486A1 |
A capacity sensing cell (10) is adapted for manufacture in a batch process, and uses a substrate or base (11) from a rigid insulating material such as glass and a diaphragm assembly (12, 14, 15) of a brittle semiconductor. The diaphragm ...
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WO/1984/004626A1 |
An electronic device such as a multi-turn trimming capacitor and potentiometer having two conductive elements (22) and (25), an arrangement (20) for rotating one element with respect to the other. The rotating arrangement (20) includes a...
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WO/1982/002978A1 |
A face bonding type chip-shaped solid electrolytic condenser molded in insulating resin (17). A cathode terminal (15) connected to the cathode layer of a condenser element (12) is provided with a U-shaped fixed section (15b), a neck (15c...
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JP7448769B2 |
To provide a variable capacitor that allows fine adjustment of reactance.A variable capacitor 13 includes fixed electrodes 16 and 17, and a movable electrode 18 forming a capacitor between the fixed electrodes, and the movable electrode ...
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JP2024034390A |
The present invention provides a pressure-sensitive switch that has load-capacity characteristics with suppressed hysteresis and can shorten the stroke. A pressure-sensitive switch includes a substrate 10 in which a recess is formed, a f...
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JP7444194B2 |
A brazing structure for a vacuum container 1a is provided. The vacuum container 1a comprises: a fixed conductor 5 on which a fixed electrode 7 is supported; a movable conductor 6 on which a movable electrode 8 is supported; a flange pipe...
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JP7443626B2 |
An MEMS structure-based adjustable capacitor is provided, comprising: a lower plate A, a movable plate B, an upper plate C, a fixed apparatus D and one or more connecting wire conductors E; a lower end of the fixed apparatus D is fixedly...
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JP7420188B1 |
[Problem] To perform high-speed control and fine adjustment of capacitance by reducing the operating force of electrodes that secure capacitance. The vacuum capacitor includes a vacuum container 1a that stores a fixed electrode 7 and a m...
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JP7388513B1 |
[Problem] In a reverse force mechanism that is combined with a device having a positive spring constant, the configuration is simplified and miniaturized, the operating force is reduced so that it is suitable for high-speed operation, an...
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JP2023548702A |
A flexible variable capacitor and a method for manufacturing the same, wherein the flexible variable capacitor includes two highly conductive flexible electrode layers and an elastomer dielectric insulating layer located between the two ...
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JP7357485B2 |
To hold a movable shaft stably and move it smoothly in a cooled variable capacitor.A movable portion 42 includes a movable shaft 52 and a movable electrode 54. A fixing portion 40 includes an insulating tube 44 and a holder 48. A fixing ...
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JP7327555B1 |
Kind Code: A1 A vacuum capacitor is provided which can contribute to suppressing a high temperature of a current-carrying path component and making it easy to exhibit high-frequency current carrying capability. A fixed electrode (7), a m...
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JP2023078123A |
To provide a technique for suppressing intrusion of moisture into the interior of a power storage device.A resin film for a power storage device, which is arranged between an exterior material of the power storage device and a power stor...
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JP2023039803A |
To improve workability of maintenance of a bearing of a rotary capacitor used for a circular accelerator.A rotary capacitor 22 is used for a circular accelerator 39 for accelerating a charged particle beam by applying a first high freque...
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JP7234233B2 |
A pressure detection element of a capacitive system includes a dielectric having two opposing surfaces including a first surface and a second surface, a conductor layer provided on the first surface of the dielectric, a conductive elasti...
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JP7144439B2 |
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 exchanger,...
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JP7103807B2 |
To control a high frequency characteristic with high accuracy.A high frequency device includes: a substrate; a ground pattern provided on the substrate; a signal line, which is provided on the same surface as the surface on which the gro...
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JP7096442B2 |
The present invention relates to a vacuum capacitor (1, 30) comprising an enclosure (9) to contain a vacuum dielectric medium, a first electrode (12) and a second electrode (13) separated by said vacuum dielectric medium, the enclosure (...
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JP7066098B1 |
To provide an electrostatic transducer capable of reliably electrically joining a core wire of a lead wire to an electrode sheet and increasing the pull-out resistance of the lead wire. In an electrostatic transducer 1, an insulator shee...
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JP7060847B2 |
[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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JP7040297B2 |
To perform high-precision measurement, by restraining impact of electromagnetic waves on the voltage division part of a vacuum capacitor type potential transformer.A vacuum capacitor type potential transformer 1 comprises a vacuum capaci...
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JP7037144B2 |
A method of manufacturing a MEMS vibration element having a fixed electrode, a movable electrode, and an elastic supporting unit that elastically supports the movable electrode with respect to the fixed electrode includes: etching a base...
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JP7028077B2 |
To restrain breakdown of a capacitor constituting a capacity potentiometer, by making the capacity potentiometer compact.A capacity potentiometer comprising multiple vacuum capacitors 2 connected in series includes an insulation tube rec...
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JP7022313B2 |
To make capacitance variable without damaging a pair of fixed electrodes and a dielectric provided so as to be able to enter and exit between these electrodes while preventing a significant decrease in the capacitance.A capacitance eleme...
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JP7022312B2 |
A capacitive element using a liquid as a dielectric, whereby the capacitance is prevented from changing. The capacitive element is equipped with: a storage container that has an inlet port for introducing a liquid serving as a dielectric...
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JP7021947B2 |
The present disclosure generally relates to a MEMS DVC utilizing one or more MIM capacitors located in the anchor of the DVC and an Ohmic contact located on the RF-electrode. The MIM capacitor in combination with the ohmic MEMS device en...
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JP2021536138A |
The variable capacitor bank includes a conductive housing and a port extending through the housing. An electric bus is located inside the conductive housing and coupled to the port. The variable capacitor bank further includes a capacito...
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