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Class 361/271 - ELECTROSTATIC CAPACITORS


Subclass of Class 361 - Electricity: electrical systems and devices
Definition: Subject matter relating to an electrostatic capacitor which
No. of patents: 54
Last issue date: 05/01/2012


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NumberTitleIssue Date
8169770Semiconductor integrated circuit including circuit for driving electrostatic actuator, micro-electro-mechanical systems, and driving method of electrostatic actuator
A semiconductor integrated circuit comprises an electrostatic actuator, an estimation circuit, a storage circuit and a bias circuit. The electrostatic actuator has a top electrode, a bottom electrode, and an insulating film disposed between the top electrode and the...
05/01/2012
8035949Semiconductor device and method of controlling electrostatic actuator
A semiconductor device applies a hold voltage Vhold to an upper electrode of an electrostatic actuator and a ground voltage to a lower electrode. After the semiconductor device sets the voltage of the lower electrode to a test voltage Vtest, it eliminates the hold v...
10/11/2011
7885051Semiconductor integrated circuit including circuit for driving electrostatic actuator, micro-electro-mechanical systems, and driving method of electrostatic actuator
A semiconductor integrated circuit comprises an electrostatic actuator, an estimation circuit, a storage circuit and a bias circuit. The electrostatic actuator has a top electrode, a bottom electrode, and an insulating film disposed between the top electrode and the...
02/08/2011
7751173Semiconductor integrated circuit including circuit for driving electrostatic actuator, micro-electro-mechanical systems, and driving method of electrostatic actuator
A semiconductor integrated circuit comprises an electrostatic actuator, an estimation circuit, a storage circuit and a bias circuit. The electrostatic actuator has a top electrode, a bottom electrode, and an insulating film disposed between the top electrode and the...
07/06/2010
7352060Multilayer wiring substrate for providing a capacitor structure inside a multilayer wiring substrate
A multilayer wiring substrate for providing a capacitor structure inside a multilayer wiring structure is disclosed. The multilayer wiring substrate includes a dielectric layer including a resin material mixed with an inorganic filler, wherein the inorganic filler i...
04/01/2008
7291185Method of manufacturing both-side metallized film with reduced blocking of metallized film and metallized film capacitor using the same
A method of manufacturing a both-side metallized insulation film comprises steps of: depositing zinc or a blend of zinc and aluminum onto both sides of an insulation film; and winding this metallized film into a product roll. The method is characterized in spraying ...
11/06/2007
7254008Integrated capacitive microfluidic sensors method and apparatus
A microfluidic device and method for capacitive sensing. The device includes a fluid channel including an inlet at a first end and an outlet at a second end, a cavity region coupled to the fluid channel, and a polymer based membrane coupled between the fluid channel...
08/07/2007
7167356Solid electrolytic capacitor
A solid electrolytic capacitor includes a capacitor element which includes an anode foil and a cathode foil rolled with a separator interposed therebetween, and a solid electrolyte layer or an electrically conductive polymer layer provided therein. The cathode foil ...
01/23/2007
7161241Multi-layer board
A multi-layer board includes a ceramic layer and plural resin layers which are stacked together. The ceramic layer is provided with an impedance element formed thereon, and the uppermost resin layer is provided with an electronic component mounted thereon. The multi...
01/09/2007
7138713Chip-type solid electrolytic capacitor and method of producing the same
A chip-type solid electrolytic capacitor comprises capacitor elements. A cathode terminal comprising a plate-like conductor is interposed between cathode layers of the capacitor elements. The capacitor elements are bonded to each other by a bonding agent such as a s...
11/21/2006
7126495Linear electric encoder with facing transmitter and receiver
A capacitive motion encoder, for sensing the position of a moving object relative to a stationary object, includes at least one stationary element, coupled to the stationary object and a moving element, coupled to the moving object and in proximity to the stationary...
10/24/2006
7102874Capacitive apparatus and manufacturing method for a built-in capacitor with a non-symmetrical electrode
The present invention describes an intermediate for use in a capacitive printed circuit board (PCB), which relates to a capacitive apparatus and manufacturing method for a built-in capacitor with a non-symmetrical electrode used to reduce inaccuracy of the error com...
09/05/2006
7029962Methods for forming a high performance capacitor
Embodiments of methods of forming capacitors are generally described herein. Other embodiments may be described and claimed. ...
04/18/2006
7023215Field effect sensor two wire interconnect method and apparatus
A field effect sensor interfaces with a power supply and detection circuit using two wires. The detection circuit can determine which of several parallel-connected field affect sensors is or is not activated at any given time. ...
04/04/2006
7016176Low ESL and ESR chip capacitor
A chip capacitor that includes a first and second terminal and a plurality of first and second conductive plates. The first terminal has a first interfacial attachment area that is adapted to be attached to a host substrate. The second terminal has a second interfac...
03/21/2006
6906904Integrated, tunable capacitance
An integrated, tunable capacitance is specified in which the quality factor is improved by virtue of the fact that, instead of source/drain regions, provision is made of highly doped well terminal regions having a deep depth, for example formed as collector deep imp...
06/14/2005
6815085Printed circuit board capacitor structure and method
A capacitive element for a circuit board or chip carrier is formed from a pair of conductive sheets having a dielectric component laminated therebetween. The dielectric component is formed of two or more dielectric sheets, at least one of which can be partially cure...
11/09/2004
6807049Solid electrolytic capacitor and method for producing the same
A solid electrolytic capacitor includes a valve acting metal having microfine pores, a dielectric film formed on a surface of the valve acting metal, and a solid electrolyte layer provided on the dielectric film, in which at least a portion of the solid electrolyte ...
10/19/2004
6673388Method of making a printed circuit board
A method of making a charge containing element including the steps of depositing and patterning a dielectric material on a surface wherein the dielectric material includes a metallo-organic component and a liquid component; and decomposing by laser light ...
01/06/2004
6667563Touch switching apparatus
A touch switching apparatus includes: a switching unit for evenly illuminating on a touch unit manipulated by a user among touch units with marks; and a driving circuit for driving the switching unit when detecting the manipulation. The touch switching ap...
12/23/2003
6351370Solid electrolytic capacitor and method for producing the same
A solid electrolytic capacitor includes a valve acting metal having microfine pores, a dielectric film formed on a surface of the valve acting metal, and a solid electrolyte layer provided on the dielectric film, in which at least a portion of the solid e...
02/26/2002
6303231Coating solutions for use in forming bismuth-based ferroelectric thin films, and ferroelectric memories formed with said coating solutions, as well as processes for production thereof
The invention discloses a coating solution for use in forming Bi-based ferroelectric thin films containing Bi, metallic element A (at least one selected from the group consisting of Bi. Pb, Ba, Sr, Ca, Na, K and rare earth elements) and metallic element B...
10/16/2001
6271311Ethylene ଱-olefin elastomeric polymer compositions having improved extrusion processibility
Extruded shapes, profiles and parts in general based on an ethylene, alpha-olefin elastomeric polymer are manufactured utilizing a tailored approach to polymerization, leading to a polymer that delivers all of the benefits of metallocene based polymers, b...
08/07/2001
6265058Polymer/paper capacitor film
The present invention is a dielectric film, and method for making the film, suitable for use in the construction of capacitor devices, including wound capacitors. In order to overcome strength limitations associated with polymers having desirable dielectr...
07/24/2001
6242989Article comprising a multi-port variable capacitor
An article comprising a multi-port variable capacitor is disclosed. In one embodiment, a movable plate is suspended above at least a first and a second, fixed, electrically-isolated electrode. The first electrode is electrically connected to a bias supply...
06/05/2001
6170138Capacitor with cold-flow-extruded electrodes
A capacitor is described, in particular a vacuum capacitor, comprising two electrodes (1, 1'), at least one insulator (5), and means for fastening (4, 4'). A process is proposed according to which the two electrodes (1, 1') are each produced as one piece ...
01/09/2001
5811868Integrated high-performance decoupling capacitor
An integrated high-performance decoupling capacitor, formed on a semiconductor chip, using the substrate of the chip itself in conjunction with a metallic deposit formed on the presently unused chip back surface and electrically connected to the active ch...
09/22/1998
5625169Electronic parts with an electrode pattern between two dielectric substrates
An electronic part is formed with two dielectric substrates joined together in a face-to-face relationship. Each substrate has an electrode pattern formed on one surface and a grounding surface on the opposite surface. The surfaces with the electrode patt...
04/29/1997
5604658Trimmable capacitor
In a multilayer metallisation/dielectric structure on a silicon substrate a trimmable capacitor is formed between two of the higher metallisation layers, with one layer being segmented and the individual segments connected by way of one or more vias and r...
02/18/1997
5600187Electronically controllable capacitors using power MOSFET's
An electrically controllable variable capacitor includes the interelectrode capacitance of at least one power MOSFET, a capacitance connected in series with the MOSFET and having one terminal connected to the drain or source thereof (the series capacitanc...
02/04/1997
5563764Ceramic substrate having lower electrode for forming thin-film condenser
A ceramic substrate has on the surface thereof a lower electrode for forming a thin-film condenser, wherein the lower electrode is formed by plating or the lower electrode consists of a plating layer formed on the surface of the ceramic substrate....
10/08/1996
5347423Trimmable composite multilayer capacitor and method
In a first embodiment, a trimmable composite multilayer capacitor (10) is fabricated with a novel process so that the capacitor (10) exhibits a high quality factor Q and is capable of efficient and accurate functional trimming over a wide range while in a...
09/13/1994
5345361Shorted trimmable composite multilayer capacitor and method
A shorted trimmable composite multilayer capacitor (10) is initially shorted, but can be easily and efficiently unshorted and then functional trimmed while in a circuit. The capacitor (10) has a capacitor body (12) defined by a plurality of interleaved fi...
09/06/1994
5264983Monolithic capacitor with variable capacitance
A monolithic capacitor whose capacitance can be varied by removing part of an electrode. The capacitor may comprise an end termination, coupled to a plurality of internal electrodes which are disposed in a dielectric, and a top electrode which is disposed...
11/23/1993
5161128Capacitive transducer system and method
A capacitive transducer including a back plate and a tensioned dielectric diaphragm with a conductive layer is operated as a sonic energy emitter and receiver. The polarity of the dc bias applied to the transducer is periodically reversed to prevent charg...
11/03/1992
5159524Laser trimable capacitor
A capacitor which includes a dielectric layer, a metal electrode and a capacity adjusting electrode erodable by exposure to light energy, the capacity adjusting electrode being a film made of at least one selected from metallic oxides, metallic nitride an...
10/27/1992
4924173Shielded capacitance standard
This invention relates to a capacitance standard for use with capacitance sensitive probes. The standard comprises a capacitor having a pair of spaced plates and a dielectric positioned therebetween. A shield attached to one of the plates forms an enclosu...
05/08/1990
4818609Packaging comprising substrate, metallic layer and antifriction film
A foil has two essentially plane parallel surfaces of which at least one is at least partially covered by a metallic layer. The surface of the metallic layer is protected by an antifriction film. The surface of the foil opposite the metal-coated surface c...
04/04/1989
4484085Spiral line voltage pulse generator characterized by secondary winding
A spiral line voltage pulse generator includes a double arm spiral structure about which is wound an elongated conductor. The double arm structure includes two conductive strips which are electrically insulated so as to hold a charge. Upon discharge, elec...
11/20/1984
4394713Self-supporting capacitor casing having a pair of terminal plates sandwiching an insulative body for aligning terminal positions
A package construction has electrodes of a double layer capacitor element located on the opposite sides of the element. All of the electrodes are led out in the same direction. A pair of electrode plates are disposed on the element with an insulator plate...
07/19/1983
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