19results about "Tubular capacitors" patented technology

A filter device, method of manufacture and use thereof. The filter device comprises a foil-wound inductor formed by a first conductive foil strip having a first terminal and a second terminal, the first conductive foil strip wound around a core to form a plurality of winding layers such that the first terminal is proximate the core and the second terminal is located at the outermost winding layer, and a continuous dielectric insulating layer between the plurality of layers of the first conductive foil strip; and, a tunable capacitor formed by a second conductive foil strip at least partially encircling the outermost layer of the foil-wound inductor and a dielectric insulating layer disposed therebetween, the second conductive foil strip having a portion that can be trimmed to alter a capacitance between the second conductive foil strip and the first or second terminal of the foil-wound inductor. When used in a circuit, the tunable capacitor can be trimmed to compensate for parasitic capacitance associated with the foil-wound inductor.

A filter device, method of manufacture and use thereof. The filter device comprises a foil-wound inductor formed by a first conductive foil strip having a first terminal and a second terminal, the first conductive foil strip wound around a core to form a plurality of winding layers such that the first terminal is proximate the core and the second terminal is located at an outermost winding layer, and a continuous dielectric insulating layer between the plurality of winding layers of the first conductive foil strip; and a tunable capacitor formed by a second conductive foil strip at least partially encircling the outermost winding layer of the foil-wound inductor and a dielectric insulating layer disposed therebetween, the second conductive foil strip having a portion that can be trimmed to alter a capacitance between the second conductive foil strip and the first or second terminal of the foil-wound inductor.

The present disclosure provides a cylindrical capacitor. The cylindrical capacitor includes a first electrode, a dielectric layer, and a second electrode. The first electrode has a shape of a hollow cylinder and includes oxidized surface portions, first metal-containing layers, and a first hard layer. The oxidized surface portions are at cylindrical surfaces of the hollow cylinder of the first electrode. The first metal-containing layers are between the oxidized surface portions. The first hard layer is disposed between the first metal-containing layers, and a hardness of the first hard layer is larger than hardnesses of the oxidized surface portions and the first metal-containing layers. The dielectric layer is disposed on the first electrode. The second electrode is disposed on the dielectric layer.

The invention relates to a field sensor combination for use with medium and high voltages, to a feedthrough for medium and high voltage switchgears with one or more such field sensor combinations, and to switchgears with one or more feedthroughs.

The utility model discloses a feed-through capacitor printing clamp, which is used for clamping a ceramic substrate of a feed-through capacitor and comprises a hard bottom plate and an elastic soft cushion covered on the upper surface of the hard bottom plate, and a plurality of positioning columns arranged in order are arranged on the upper surface of the hard bottom plate. A protective sleeve arranged on the corresponding positioning column in a sleeving mode is arranged at the corresponding position of the soft cushion, the protective sleeve protrudes upwards out of the upper surface of the soft cushion, and the protective sleeve can be sleeved with the hole position corresponding to the ceramic base body. The utility model has the advantages that the ceramic substrate is protected, the printing precision is improved, the service life of the fixture is prolonged, and the fixture adapts to height difference in batch production.

The invention relates to a capacitive element (1) comprising: a cylindrical housing (10) extending along a longitudinal axis (X); a mandrel (3) extending along said longitudinal axis (X) between an upper end (31) and a lower end (32);a coil (2), housed inside said casing (10) and formed of: a first film (20) having a first insulating portion (200) extended by a first conductive portion (201), and a second film (21) having a second insulating portion (210) extended by a second conductive portion (211), the two films (20, 21) being superimposed and wound around said mandrel (3) such that said first insulating portion (200) is in contact with said second insulating portion (210) and that said first conductive portion (201) and said second conductive portion (211) are opposite along a longitudinal axis of said capacitive element (1), the first conductive portion (201) forming a first end of said coil, the second conductive portion (211) forming a second end of said coil, a first metallized layer (40) formed on an upper surface of said coil at the location of said first end of said bobbin;a second metallized layer (41) formed on a lower surface of said coil at the location of said second end of said coil; two radial outlets (50, 51), one of said two radial outlets (50) being electrically connected to said first metallized layer (40), the other of said two radial outlets (51) being electrically connected to said second metallized layer (41), said two radial outlets (50, 51) being mounted at least partially projecting from an upper surface (100) of said housing (10), characterized in that said mandrel (3) is made at least partially from a metallic material, and has an outer surface at least partially covered with a layer of insulating material (30).

Disclosed are capacitor wires and electronic devices including the same. The capacitor wire comprises a core electrode line having a wire shape extending in a length direction, an outer electrode line that covers at least a portion of the core electrode line and extends in the length direction of the core electrode line, and a dielectric line between the core electrode line and the outer electrode line and extending in the length direction of the core electrode line. The dielectric line has a porous structure including a plurality of holes.

A capacitor wire includes a core electrode line provided in the form of a wire, an outer electrode line covering at least a portion of the core electrode line, and a dielectric line interposed between the core electrode line and the outer electrode line. The outer electrode line comprises material having a melting point lower than material of the core electrode line.

A grid array capacitor (108) can be used to physically and electrically couple an integrated circuit (IC) package (106) to a printed circuit board (PCB) (114). The grid array capacitor (108) includes

A bus bar (3) for a capacitor (1) is described. Furthermore, a capacitor (1) comprising the bus bar (3) is described.

A wire capacitor includes a wire structure extending in a longitudinal direction and a conductive layer covering an outer surface of the wire structure. The wire structure includes a core electrode line having a wire shape and extending in the longitudinal direction and a dielectric line surrounding an outer surface of the core electrode line and extending in the longitudinal direction. The wire structure has a first end and a second end which are opposite to each other in the longitudinal direction, and the conductive layer exposes an outer circumference of the first end and the second end of the wire structure.

An apparatus is disclosed to include: a conductor structure (such as a busbar) comprising a first electrical connection and a second electrical connection; a first capacitor pair including a first capacitor and a second capacitor mounted directly opposite each other on opposite sides of the conductor structure, wherein the first and second capacitors each have a first electrical connector and a second electrical connector having a first electrical capacitance therebetween, and wherein the first and second capacitors each have a first side and a second side opposite the first side; a first connection arrangement connecting the first electrical connector of the first capacitor and the first electrical connector of the second capacitor to the first electrical connection of the conductor structure; and a second connection arrangement connecting the second electrical connector of the first capacitor and the second electrical connector of the second capacitor to the second electrical connection of the conductor structure. The first electrical connectors on the first side of the respective capacitors are aligned on the respective sides of the conductor structure and the second electrical connectors on the first side of the respective capacitors are aligned on the respective sides of the conductor structure.

A bus bar (3) for a capacitor (1) is described. Furthermore, a capacitor (1) comprising the bus bar (3) is described.

A capacitive voltage divider designed to step down high-voltage from an electrical power line to a lower more suitable voltage includes a hollow insulator, a primary terminal located on the hollow insulator and connected to the high-voltage power line, first and second capacitors arranged as a voltage divider circuit, one or more primary insertion resistors, and solid dry foam dielectric formed around the first capacitor and the second capacitor within the hollow insulator.

A laminated bus bar (3) for a capacitor (1) is described, wherein the bus bar (3) is laminated and wherein the bus bar (3) comprises a round shape. Furthermore, a capacitor (1) comprising the bus bar (3) is described.

A wiring board includes an insulating layer having a first surface and a second surface, which are opposite to each other, upper wiring patterns on the first surface of the insulating layer, lower wiring patterns on the second surface of the insulating layer, intermediate wiring patterns, which are disposed in the insulating layer and are electrically connected to the upper wiring patterns and the lower wiring patterns, and a capacitor wire connected to corresponding wiring patterns of the upper wiring patterns, the lower wiring patterns, and the intermediate wiring patterns. The capacitor wire includes a core electrode line having a wire shape, an outer electrode line covering at least a portion of the core electrode line, and a dielectric line interposed between the core electrode line and the outer electrode line.

The present disclosure provides a cylindrical capacitor. The cylindrical capacitor comprises a first electrode, a dielectric layer and a second electrode. The first electrode has a shape of a hollow cylinder, wherein the first electrode includes a plurality of oxidized surface portions, a plurality of first metal-containing layers, and a first hard layer. These oxidized surface portions are at a plurality of cylindrical surfaces of the hollow cylinder of the first electrode. A first metal-containing layer is between the oxidized surface portions. The first hard layer is disposed between the first metal-containing layers, and the hardness of the first hard layer is greater than a plurality of hardness of the oxidized surface portions and the first metal-containing layers. The dielectric layer is disposed on the first electrode. The second electrode is disposed on the dielectric layer. According to the cylindrical capacitor and the forming method thereof, electric leakage of the cylindrical capacitor is reduced by improving the hardness of the cylindrical capacitor, structural collapse of the cylindrical capacitor is avoided, and the capacitance value of the cylindrical capacitor is increased.