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Fixed capacitors; processes of their manufacture (H01G4)

H
Electricity
(27695)
H01
Basic electric elements
(8917)
H01G
Capacitors; capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices of the electrolytic type (selection of specified materials as dielectric h01b0003000000; capacitors with potential-jump or surface barrier h01l0029000000)
(156)
H01G4
Fixed capacitors; processes of their manufacture (electrolytic capacitors h01g0009000000)
(37)

H01G4/02 - Gas or vapour dielectrics
(1)
H01G4/04 - Liquid dielectrics
(1)
H01G4/06 - Solid dielectrics
(7)
H01G4/08 - Inorganic dielectrics
(1)
H01G4/10 - etal-oxide dielectrics
(4)
H01G4/12 - Ceramic dielectrics
(4)
H01G4/16 - Of fibrous material, e.g. paper
(1)
H01G4/20 - Using combinations of dielectrics from more than one of groups h01g0004020000-h01g0004060000; (h01g0004120000 takes precedence);;
(1)
H01G4/22 - Impregnated
(2)
H01G4/228 -
(1)
H01G4/255 -
(1)
H01G4/26 - Folded capacitors
(2)
H01G4/30 - Stacked capacitors (h01g0004330000 takes precedence);;
(1)
H01G4/32 - Wound capacitors
(5)
H01G4/33 - Thin- or thick-film capacitors (thin- or thick-film circuits h01l0027000000)
(6)
H01G4/35 - Feed-through capacitors or anti-noise capacitors
(1)
H01G4/38 - ultiple capacitors, i.e. structural combinations of fixed capacitors
(5)

Method of impregnating mica paper capacitors

Method includes pressing, placing an impregnating compound in the first area of a vacuum assembly, placing containers with mica paper capacitors in the second area of the vacuum assembly, heat-insulating the first and second areas of the vacuum assembly from each other, vacuum drying the containers with the mica paper capacitors, drying the impregnating compound, filling the containers with mica paper capacitors with the impregnating compound by pouring from the first into the second area of the vacuum assembly, impregnation at atmospheric pressure, heat treatment in steps, wherein the first area of the vacuum assembly is located over the second area of the vacuum assembly, after vacuum drying the containers with mica paper capacitors, lowering the temperature in the second area of the vacuum assembly to temperature for drying the impregnating compound of 95±5°C, simultaneously vacuum drying the impregnating compound in the first area of the vacuum assembly at temperature of 95±5°C.

Film capacitor

Proposed invention is referred to electric engineering, namely, to composite film electrolytic capacitors. A film capacitor comprises a current collector - aluminium foil, the surface of which via a barrier layer is developed by means of an electrode material from spongy valve metal impregnated with electrolyte. The novelty is the fact that the electrode material is made as multi-layer, each composite layer of which represents a film base with corrugations of 50-100 nm from spongy titanium with thickness of 50-100 mcm, carrying on the surface the local cogs from nanoclusters of valve metal for electric contact as adjacent to each other, at the same time, starting from the second one, the layer of the spongy titanium is made with through pores with size of 0.3-5 mcm with total volume of at least 10-15% of the layer volume, at the same time the conformal layer of porous titanium with the barrier layer on the surface of the current collector is connected by a heterojunction from composite nanoparticles, and the barrier layer on the surface of aluminium foil is made of titanium nitride or diamond-like nanolayer from amorphous carbon α-C:H, which are connected to each other by means of an adhesive layer formed by opposite distribution of materials of adjacent layers, mutually complementing each other by thickness.

Capacitance device and resonance circuit

Invention refers to electric engineering and is intended to prevention of capacity changes due to disposition of opposing electrodes separated by dielectric layer. According to invention, capacitance device includes dielectric layer (10), first electrode (11) on given surface (10a) of dielectric layer (10), and second electrode (12) on opposite surface (10b) of dielectric layer (10). First and second electrodes (11, 12) are shaped so that even when the first electrode (11) is displaced in given direction against the second electrode (12), overlap area of opposing electrodes between the first (11) and the second electrode (12) does not change.

Method of manufacturing ferroelectric capacitors

Method of manufacturing ferroelectric capacitors includes formation of a ceramic substrate, mainly barium titanate-based, application of an alloying coating, vacuum spraying of copper electrodes and vacuum annealing of a composite material, with the alloying coating being applied in a liquid phase by condensation from a vapour flow of evaporated in vacuum metals, selected from the group: titanium, vanadium, chrome, manganese, niobium, at a temperature of the substrate of 150-350°C, after which the substrate with the alloying coating is subjected to vacuum annealing, and further application of copper electrodes is carried out directly on the composite substrate heated up to a temperature not higher than 600°C.

Method to sinter products of dielectric ceramics

Method to sinter products of dielectric ceramics

Method of sintering includes operations of powder compaction and radiation of more than one side of the compact by electronic beams, formation of electronic beams with energy of 10-15 keV is carried out in separate sources, and radiation of the compact is carried out with gas pressure of 5-20 Pa. Compact temperature during radiation is set by density of beams capacity. Beams are formed in separate sources in combination with gas pressure of 5-20 Pa.

Method for production of cathode lining for solid-electrolyte capacitor

Method for production of cathode lining for solid-electrolyte capacitor

Method for production of cathode lining for a solid-electrolyte capacitor lies in application of a multilayer cathodic coating of manganese dioxide on oxidised slug of valve metal and includes multiple cycles of anode impregnation and pyrolysis using an impregnating water solution with cycle-to-cycle increasing concentration of manganous nitrate with addition of nitric acid as an active non-halogenated oxidising agent in quantity that ensures value of pH 1 at most in the impregnating solution and water steam during pyrolysis, as well as additional formation of anodes after each layer of manganese dioxide and final treatment of the formed multilayer coating of manganese dioxide by nitric acid fumes at high temperature of 55-70°C during at least 1 minute.

Composite capacity and its application

Composite capacity and its application

Each of capacitor units contains many base capacitors installed on special module printed-circuit board (PCB). All the base capacitors of capacitor units are identical, thus simplifying both manufacturing and maintenance of capacity component. Formation of composite capacity on base capacitors of the same type simplifies significantly their manufacturing and maintenance. Space flexibility achieved due to application of lots of electrically interconnected capacitor units is preferable in such power devices where capacity available to capacity component inside the device may be limited in at least one direction. Geometrically flexible arrangement provided by separate capacitor units allows their arrangement at random angle to each other thus occupying available space in power devices increasing their composite capacity.

Method for power transformation, device for its functioning and method of device manufacturing

Method for power transformation, device for its functioning and method of device manufacturing

Power conversion is carried out without a steel core with the help of electric and magnetic fields. In this connection the device may find the widest application for conversion of energy above high frequencies, in particular, conversion of input frequency into output one.

Multiple-track supercapacitor

Multiple-track supercapacitor

Supercapacitor has least two juxtaposed complexes (1, 2) spaced by a distance d, and at least one common complex (3) opposite the two juxtaposed complexes (1, 2) and spaced therefrom by at least one spacer (4), the spacer (4) and the complexes (1, 2, 3) being spirally wound together to form a coiled element.

Multiple-coil supercapacitor

Multiple-coil supercapacitor

Present invention relates to a supercapacitor with a double electrochemical layer having at least two complexes (2, 3) and at least one spacer (4) in between, the complexes (2, 3) and the spacer (4) being spirally wound together to form a coiled member (10). According to the invention, the supercapacitor further comprises at least another complex (1) and at least another spacer (4), the other complex (1) and the other spacer (4) being spirally wound together around the coiled member (10) to form at least one subsequent coiled member (20), the consecutive coiled members (10, 20) being separated by an electrically insulating space.

Hybrid device for electric energy accumulation with electrochemical supercapacitor/ lead-acid battery

Hybrid device for electric energy accumulation with electrochemical supercapacitor/ lead-acid battery

Lead-acid battery and electrochemical supercapacitor remain within the same body and are electrically connected. The hybrid device includes at least one non-polarisable positive electrode, at least one non-polarisable negative electrode and at least one polarisable negative electrode with a double electric layer. Between the electrodes separators are positioned, the separators and the electrodes impregnated with sulphuric acid electrolyte.

Method to accumulate power (2 versions) and power accumulator of capacitor type (pact) for implementation of method (2 versions)

Method to accumulate power (2 versions) and power accumulator of capacitor type (pact) for implementation of method (2 versions)

Method includes accumulation of a charge of free electrons in vacuum developing a volume negative change in a stationary vacuum capacitor (VC). Simultaneously an anode is disconnected from a ground contact, the VC cathode is connected to the free output of the high-voltage winding of the step-up transformer. The second output of the winding is connected to a conducting channel or a cable. The high-voltage winding of the step-down transformer by one lead is connected to a non-charged VC, and by the second lead - to the same conducting channel or cable. The excited Ac in the low-voltage winding of the step-down transformer is given to a consumer.

Thin-film capacitor for surface mounting into asymmetrical strip lines

Thin-film capacitor for surface mounting into asymmetrical strip lines

Thin-film separating capacitor for surface mounting into strip lines of transmission comprises the following serially connected components: a substrate made of a semi-insulating semiconductor of electronic conductivity type, lower and middle parts of which have identical rectangular section, a conducting layer made of an epitaxial highly alloyed conductor of electronic conductivity type, an insulating layer and two metal contact sites of rectangular shape, separated between each other with a gap and made in the form of a double-step pedestal, the lower rectangular step of which comprises lower and middle parts of the substrate, and the second step arranged in the form of a quadrangular truncated pyramid comprises an upper part of the substrate, a conducting layer, an insulating layer applied above the entire outer surface of the pyramid, and two metal contact sites, the upper flat part of the first step of the pedestal is also coated with an insulating layer, being a continuation of the pyramid insulating layer applied simultaneously with application of the insulating layer onto the pyramid, and at the side of the lower surface of the substrate there is a protective-strengthening layer applied additionally.

Vacuum capacitors manufacture method

Vacuum capacitors manufacture method

Vacuum capacitor manufacture method includes assembly and soldering of interfacing packages of coaxial capacitor electrodes, HV breakdown training in a vacuum chamber with the help of a false package installed coaxial to the main one and replicating the geometrical pattern and size of the interfacing package or a flat false package represented by an electrode positioned parallel to the capacitor electrodes butt-ends plane at a distance equal to 1-3 values of radial gap between the electrodes. The false package electrodes are made of a material stronger than that of the capacitor electrode and capable to absorb capacitor electrodes dispersion products and primary microparticles. This preliminary HV breakage training preceding assembly is performed with a voltage equal to 1.5-2 rated voltages of the capacitor according to the adopted capacitor training methodology. After preliminary breakage treatment of electrode packages one performs their assembly into a capacitor module with the help of a cylindrical insulating housing, high temperature vacuum treatment in the exhaust unit, the capacitor chilling, HV training with electric breakdowns and tipoff from the exhaust unit.

Method for production of multiple application impregnating composition and mica-paper capacitors manufacture method

Method for production of multiple application impregnating composition and mica-paper capacitors manufacture method

Method for production of a multiple application impregnating composition for manufacture of mica-paper capacitors is as follows: the impregnating composition base is represented by diphenylolpropane dicyanate which is heated, one introduces a catalyst, performs a polymerisation stage with a reversible polymerisation stage performed by way of heating diphenylolpropane dicyanate up to a temperature of 95±5°C, the catalyst is represented by diphenylolpropane in an amount of 1.5-2%, before repeated usage of the worked-out impregnating composition one performs introduction of no less than 50% of freshly prepared impregnating composition. One also proposes a method for mica-paper capacitors manufacture. One produces the multiple application impregnating composition, manufactures mica-paper capacitors using such composition; thus one enables the catalyst application simplification and efficient expenditure of expensive dicyanate used for capacitors impregnation.

Manufacturing method of electric energy accumulators, and device for its implementation

Manufacturing method of electric energy accumulators, and device for its implementation

Method involves stage of radial bending at least of one collector section of current collection on its end from centre to periphery of end of collector section.

Method for manufacturing of condensers with big capacitance

Method for manufacturing of condensers with big capacitance

According to method invention includes thoroughly mixed fine particles of conducting material and fine particles of dielectric material in space between electrodes at that powder volume ratio of dielectric material is more than powder volume ratio of conducting material. Powder mixing is done by method of cavity treatment.

Method to manufacture laminate nanostructure for double-plate capacitors

Method to manufacture laminate nanostructure for double-plate capacitors

In the method includes the following stages: generation of regularly arranged inoculating ledges on the surface of a silicon substrate, growing one-dimensional nanoelements, and also application of layers by the method of atomic-layer deposition (ALD) or plasma enchanched ALD (PEALD) onto surfaces of grown one-dimensional nanoelements and onto sections of the substrate surface, which are not occupied with the above nanoelements, and the applied layers are conformal to these surfaces and correspond to the dielectric part of the formed nanostructure and the upper plate of the capacitor, according to the invention, centres of one-dimensional nanoelements are formed on the surface of the silicon substrate in the form of regularly arranged inoculating ledges, on which one-dimensional nanoelements are grown by the method of gliding angular deposition (GLAD) from high-alloyed silicon of columnar shape, at the same time inoculating ledges are made with maximum transverse dimensions from 25 to 80 nm.

Microcapacitor

Microcapacitor

Microcapacitor includes insulating substrate and many current-leading metallisation elements formed on upper and lower surfaces and in holes of insulating substrate, which form armatures of capacitor of flat coaxial type. Outputs of metallised holes on one of the surfaces are connected to contact pads and connection straps intended to change the values of capacity from maximum to minimum value by their disconnection.

Multilayer nanocomposite for capacitors and method of its manufacturing

Multilayer nanocomposite for capacitors and method of its manufacturing

Multilayer nanocomposite for capacitors comprises a substrate of graphite foil with density from 0.27 to 1.2 g/cm3, on the face surface of which there are the following layers arranged in sequence - a layer of amorphous aluminium oxide, a layer of titanium oxide of rutile modification and a layer of titanium nitride, formed by method of atomic-layer deposition. At the same time application of the aluminium oxide layer is done at 270-330°C by means of alternate pulse supply of the following precursors into the reaction chamber: trimethylaluminium and ozone. Application of the titanium dioxide layer is done at 450-500°C by means of alternate pulse supply of the following precursors into the reaction chamber: titanium tetrachloride and water, and application of the titanium nitride layer is done at the temperature of 460-490°C by means of alternate pulse supply of precursors, such as titanium tetrachloride and ammonia, into the reaction chamber.

Segnetoceramic capacitor dielectric for manufacturing of ceramic capacitors of temperature stable group

Capacitor dielectric contains barium titanate 95.18÷95.43%, niobium pentaoxide 1.03÷1.05%, cobalt oxide 0.24÷0.22%, manganese carbonate 0.04÷0.06%, glass frit 1.97÷2.03% and zinc orthosilicate 1.25÷1.50%.

Film condenser

Film condenser

Film condenser contains multi-layered anode foil with a highly developed surface whereon a dielectric shell is applied by adhesion which is coated with a solid electrolyte. Within the 2-100 nm thick dielectric layer 0.5-50 nm sized metal clusters are dispersed. Between the anode foil and the solid electrolyte layer there are at least two dielectric layers arranged separated with an interlayer of metal clusters. The dielectric layer is formed by way of deposition of metal clusters from a hydrosol with the help of pulse arc discharges of (serially) silver and aluminium and/or titanium clusters which then are oxidised on the coating surface, the ratio being, accordingly (wt %): 1-30 and 70-99.

Plate ceramic duct fixed capacitor

Plate ceramic duct fixed capacitor

Bipolar inner electrodes (connected with common outer electrodes) are located in pairs on one side of multiple ceramic layers and arranged spaced apart parallel to and radially relative capacitor bores. Opposite side of the same multiple ceramic layers accommodates "floating" electrodes not connected with even one common outer electrode, said floating electrodes overlap partially bipolar electrodes. Note here that overlap area is equal, hence, two capacitors connected in series feature equal capacitance due to said overlap.

Pulsed electric power storage unit

Pulsed electric power storage unit

Invention relates to electrical engineering and can be used in designing and producing pulsed electric power storage units. In compliance with this invention, proposed storage unit comprises fluid dipole dielectric arranged between electrodes. Note here that several membranes with ion-exchange properties are arranged in series between said electrodes so that cation-exchange coat membranes adjoin storage unit anode, while anion-exchange coat membranes adjoin cathode. Polar fluid dielectric can represent deionised water or glycerine.

Flat multilayer capacitor

Flat multilayer capacitor

Invention is related to capacitors of permanent capacitance. According to invention, internal electrodes of capacitor have S-shaped form, besides one of plates of subsequent S-shaped electrode is arranged between two planes of plates of previous S-shaped electrode, space between electrodes is filled with dielectric, outer electrodes are formed by connection of end surfaces of S-shaped electrodes so that all layers of dielectric are arranged between various heteropolar electrodes, and electric leads are connected to outer electrodes.

Flat six-layer capacitor

Flat six-layer capacitor

Invention is related to capacitors of permanent capacitance. According to invention, capacitor comprises two internal electrodes of U-shaped form and one internal electrode of S-shaped form, one of plates of each U-shaped electrode is installed between planes of plates of S-shaped electrode, space between electrodes is filled with dielectric, U-shaped electrodes are connected between each other, and electric outputs are connected to outer electrodes produced by connection of U-shaped electrodes plates and plates of S-shaped electrode.

Flat single-layer capacitor

Flat single-layer capacitor

Invention relates to constant-capacity capacitors. In compliance with this invention, contact assemblies are formed by continuation of inner electrodes when they are bent to be jointed to inner electrode outer plane to form a closed space. Note here that space inner cavity is filled with the layer of dielectric. Electrodes outer surfaces have on their opposite sides, the contact sites with length making not over half the length of contact assembly.

Film capacitor

Film capacitor

Invention relates to electronic engineering and can be used in production of thin-film hybrid and monolithic integrated circuits when making thin-film capacitors. According to the invention, the film capacitor contains first and second plates made in form of metal films, a dielectric placed between the plates, terminals, which are part of the metal films overhanging end surfaces of the dielectric. There is a second dielectric layer and an intermediate metal plate between dielectric layers, which consists of insulated fragments.

Device for changing voltage in

Device for changing voltage in "capacitive pump" network

Invention relates to electrical engineering and can be used for changing voltage in a network. The device for varying voltage in network is a connection of a set of capacitors or modified capacitor for "pumping" electrical energy from a network with "transformation" of supply voltage. Shortcomings related to manufacture of transformers, which require large material inputs and use of expensive raw material are excluded, as well as servicing and need for the user to settle for power, provided by the transformer substation or some other system for changing voltage. The device can be installed into an open line of the high side. Installation of a capacitor in the circuit leads to increase in cos φ, which is good for the circuit as a whole. The invention does not transform electrical energy, but pumps it out of the network, as it were. Pumping power depends on the capacitance of the device. Large capacitance is required for a high power user. Knowing the required power and voltage of the user and the high side, it is easy to calculate capacitors and standardise the proposed device as a whole. The device allows for considerable decrease in power used by the network due to that, the source of electrical energy supports voltage harmonics and not power in the network.

Method of making super capacitors or quantum accumulators and super capacitor or quantum accumulator

Present invention relates to quantum accumulators and to methods of making them. According to the invention the method and the accumulator can be realised using materials, consisting of bipolar chips in form of grains or layers with nanoscale thickness, laid in electrically insulating matrix materials or intermediate layers, deposited on combined films or firm flat substrates, made in form of roll-type or plate capacitors, which can accumulate over 15 MJ/kg electrical energy without loss, based on the virtual photon resonance phenomenon.

Capacitance loop

Capacitance loop

Proposed capacitance loop has flat, closed, electrodes insulated from each other, separated by a dielectric, each of which is in form of a Moebius strip with terminals. The electrodes are inserted into each other through a slotted opening, through which another electrode is let in. The capacitance loop has three electrodes. The third electrode is insulated and is in form of a Moebius strip. It is fitted between the inner and the outer electrode.

Method of manufacture of stable capacitor with dielectric from polypropylene film

Method of manufacture of stable capacitor with dielectric from polypropylene film

Method of manufacture of capacitor with dielectric from polypropylene film includes spiral winding of film dielectric and foil windings of section onto carcass made of composite material with temperature coefficient of expansion that is lower than the coefficient of polypropylene film temperature expansion, then subsequently baking and curing operations are carried out, after that capacitor sections are installed in casing, sealed and subjected to heat cycling, at that baking operation is performed by capacitor heating with fixed rate up to the temperature of (135±2)°C, maintained at this temperature for two hours, then slowly cooled down to room temperature, operation of capacitor curing is carried out by cyclical effect of temperatures from -60°C to +85°C, and operation of heat cycling is performed by means of multiple cyclic effect of temperatures from -60°C to +65°C.

Flat capacitor

Flat capacitor

Flat capacitor incorporates two U-like electrodes representing two parallel interconnected plates, the space between which being filled with dielectric. One of the parallel plates of one U-like electrode is arranged between the parallel plates so that all dielectric layers are located between the opposite-pole electrodes and the contact pads are arranged on the electrode outer surfaces.

Cover of supercondensor with integrated central lead finger

Cover of supercondensor with integrated central lead finger

According to invention the element for electric power accumulation contains winding of coils and at least one coupler (100, 200) containing area (100) which is in contact with plenty of these coils, at that coupling area has side with lead finger (200), typically of round shape, at that the area (100) contains a number of bosses (120, 125) that emboss on the area side opposite to the side containing finger lead (200), at that lead finger (200) contains at least one inner groove (210) and at least one boss (100) comes into such groove.

Thin-film capacitor built around conductive polymers

Thin-film capacitor built around conductive polymers

Proposed flat thin-film capacitor has (a) substrate, (b)first conductive film of electricity conductive polymer placed on substrate, (c) pentoxide layer chosen from group of tantalum pentoxide, niobium pentoxide, and their mixture, (d) second polymeric film of electricity conductive polymer placed on pentoxide layer. Method for producing such capacitor is given in invention specification.

Capacitor for voltage measurements by means of capacitive voltage divider

Capacitor for voltage measurements by means of capacitive voltage divider

Capacitor has case mounted on cylindrical supporting shell filled with insulating medium; this case functions as first capacitor plate accommodating second capacitor plate in the form of horizontal metal tube attached to top end of supporting tube; it also has additional plate in the form of tube coaxially installed inside second plate and electrically connected to case. Bottom plate of supporting tube is secured on capacitor metal base in parallel with supporting tube axis. Supporting tube is assembled of metal tube sections fixed together by means of insulating tube section. Capacitor also has cylindrical column made of high-sensitivity material and mounted inside supporting shell coaxially with supporting tube.

Method for manufacturing mica-paper capacitors

Method for manufacturing mica-paper capacitors

In accordance to invention during manufacture of mica-paper capacitors, two layers of metallic foil are wound with at least one layer of mica-paper between them, dried, saturated with thermo-reactive compound in vacuum, pressed and thermo-processed, and prior to saturating with thermo-reactive compound preliminary pressing of capacitors is performed to thickness by 25-35% exceeding given thickness, depending on viscosity of selected compound, and then after saturation with compound, final pressing is performed in vacuum to given size without extraction from saturation compound.

Method for producing enhanced-voltage porous niobium bulk anode

Proposed method for manufacturing porous niobium bulk anode involves compression of anode pellets from hydration treated niobium powder, sintering of niobium anode pellets, molding of sintered anodes, and additional molding of anodes in hot electrolyte; anodes are to be molded in two stages; first stage lasting 1 h involves use of phosphoric acid aqueous solution at normal room temperature and second stage lasting 4 h , use of phosphoric acid aqueous solution mixed up with deionized water and ethylene glycol at room temperature of 8 °C.

Another patent 2528729.

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