Abstract: A method for manufacturing an LED strip includes arranging conductive lines at intervals to extend along a first linear trace; arranging supporting bases at intervals along the first linear trace on the conductive lines, each supporting base including multiple conductive portions and an avoidance through-hole; each two multiple conductive portions arranged at intervals along the first linear trace, the avoidance through-hole disposed between two of the multiple conductive portions arranged along the first linear trace; soldering the supporting bases and the conductive lines so as to have each conductive line soldered to two of the conductive portions arranged along the first linear trace and one of the conductive lines spanning over the avoidance through-hole to form a spanning portion; stamp-cutting the spanning portion; disposing an LED bead on a surface of each of the supporting bases; and subjecting the LED bead and the conductive portions to a processing of soldering.

Abstract: A utility pole location specifying system according to the present disclosure includes a cable (20) containing a communication optical fiber disposed in a utility pole (10), a receiving unit (331) configured to receive an optical signal containing a characteristic pattern of the utility pole (10) from at least one communication optical fiber contained in the cable (20), and a specifying unit (332) configured to specify a location of the utility pole (10) based on the characteristic pattern.

Abstract: A method of producing a cylindrical insulator for a spark plug includes a molding step of forming ceramic powder filled in a cavity defined by a mold and a molding pin into a compact. In a first removal step of removing the compact from the mold, the compact has at least one protrusion formed in at least one recess of the molding pin formed in an outer cylindrical surface of the molding pin, and the at least one protrusion is locked in the at least one recess, thereby allowing the compact to be removed with the molding pin from the mold. In a second removal step of removing the molding pin from the compact, the molding pin is turned or rotated in the circumferential direction about the compact, causing the at least one recess to cut the at least one protrusion from the compact, and thereafter the molding pin is removed from the compact.

Abstract: Overvoltage arresters are used to protect against overvoltages in electrical energy transmission systems. An overvoltage arrester has a discharge column which extends along a longitudinal axis and is clamped in between end fittings by a plurality of tensile elements which radially surround the discharge column and are secured in the end fittings. At least one of the end fittings has a first thread for attaching a connecting bolt. Furthermore, the end fitting has a fitting body with a second thread for receiving a pressure screw for generating an axial force on the discharge column. Accordingly the first and second threads overlap along an axial section.

Abstract: A cold-applied cover assembly for environmentally protecting an electrical substrate includes a cold-applied polymeric cover member configured to surround the electrical substrate, and a gas transmission barrier (GTB) layer. The GTB layer is configured to surround the electrical substrate to define a protected chamber containing the electrical substrate and to inhibit ingress of a gas through the cover assembly into the protected chamber.

Abstract: A method for insulating (5) a conductive bar (1) includes wrapping an insulating tape (2) around the conductive bar (1), enclosing it in a flexible container (4), applying a vacuum, impregnating the insulating tape (2) with an impregnating resin, curing the impregnating resin, and removing the conductive bar (1) with the insulation (5) around it from the flexible container (4). In addition, together with the insulating tape (2), an impregnating tape (3) made of the impregnating resin is wrapped around the conductive bar (1). In order to impregnate, the impregnating tape (3) is melted.

Abstract: A dielectric cover system for an insulator supporting a high voltage conductor is molded to fit over the insulator to cover at least a top portion of the insulator and the conductor in contact with the insulator. A bolt through the cover is inserted to a depth to engage a reduced-diameter neck area of the insulator to prevent the cover from being rotated about the insulator during a high wind condition. Other securing devices may instead be used that allow the cover to be freely placed over the insulator and then effectively restrict an inner diameter of the cover at a reduced diameter portion of the insulator, such that the securing device blocks the cover from being lifted off the insulator and rotated about the insulator.

Abstract: The invention relates to a device for holding power storage assemblies (3), arranged side by side in a power storage module, in position, the device including: a plate (1) made of an electrically insulating material and extending along a main plane (P); recesses (2) provided in the plate, wherein each recess is to receive a respective power storage assembly such that the longitudinal axis of the storage assembly extends perpendicular to the main plane (P); and at least one holder made of an insulating material and intended for receiving an electrical connection means for electrically connecting at least one power storage assembly to an electronic board of the module.

Abstract: A low profile pump motor lead protector with a head guard and a trailing guard, the head guard including a front section with a front end and a rear section with a rear end, the trailing guard having a pin end for insertion in a head guard socket, the lead protector for protecting a motor lead of a pump and motor assembly of a downhole production string for surfacing fluid from a reservoir such as a subterranean oil well.

Abstract: An electrical insulation body for a high-voltage rotary machine is provided. The electrical insulation body has a synthetic resin which is produced by reacting an epoxy with a hardener, and to which a filler component comprising particles is added, wherein the mass fraction of chlorine in the epoxy is less than 100 ppm.

Abstract: The present invention relates to a fence standard. The fence standard includes a shaft, and a wire support including an open ended loop. The wire support is moulded onto the shaft.

Abstract: According to one embodiment, a pattern formation method includes: preparing a mask pattern for interference, a photoelectric conversion unit, and a processing object, the mask pattern for interference being periodically arranged a plurality of light transmissive portions, the photoelectric conversion unit being disposed apart from the mask pattern for interference; applying light to the mask pattern for interference to produce Talbot interference based on transmitted light of the light transmitted through the light transmissive portions; applying interference light produced by the Talbot interference to the photoelectric conversion unit to cause the photoelectric conversion unit to emit electrons based on the interference light; and forming a pattern by applying the electrons to the processing object.

Abstract: The present invention relates to composite materials with a high dielectric constant and high dielectric strength and to methods of producing the composite materials. The composite materials have high dielectric constants at a range of high frequencies and possess robust mechanical properties and strengths, such that they may be machined to a variety of configurations. The composite materials also have high dielectric strengths for operation in high power and high energy density systems. In one embodiment, the composite material is composed of a trimodal distribution of ceramic particles, including barium titanate, barium strontium titanate (BST), or combinations thereof and a polymer binder.

Abstract: A method for manufacturing a base structure of lens-focusing mechanism first prepares a conductive member having at least two conductive parts, interconnection part, contacts and two conductive pins. The conductive parts have proximity ends separated and staggered to each other. An insulating base is formed by injection molding and encapsulates the conductive member wherein the conductive pins, the interconnection part and the contacts are exposed out of the insulating base. The interconnection part is cut and then a spring member is mounted to the insulating base and electrically connected to the conductive pins through the contacts. The present invention can solve the problem of difficulty in assembling conductive pins and connecting the spring member for the insulating base. The conductive member is arranged within the insulating base such that plastic material can be saved, the flatness, the stability and the anti-damage ability of base can be enhanced.

Abstract: One subject of the invention is an isolating device (10) for electrically isolating a plurality of power-storage assemblies (102) placed side-by-side in a power-storage module (100) from one another, the device comprising a sheet (11) made of an electrically insulating material lying in a main plane (P), the device also comprising at least one tongue (12A-12E; 14A-14E, 16A-16E, 18A-18D, 20A, 20D, 22A-22D) integral with the sheet (11) and capable of protruding from the main plane (P) of the sheet by extending essentially perpendicularly to said main plane of the sheet. Another subject of the invention is a module comprising at least one of these devices.

Abstract: Methods of fabricating components for microelectronic devices are described herein. For example, one embodiment is directed toward a method of fabricating a memory cell on a workpiece having a substrate, a plurality of active areas in the substrate, and a dielectric layer over the active areas. Bit line contact openings can be formed in the dielectric layer over first portions of the active areas and cell plug openings over second portions of the active areas. A first conductive material is deposited into the bit line contact openings to form bit line contacts and into the cell plug openings to form cell plugs. A conductive line is formed in a trench in the substrate. Dielectric features can electrically insulate the conductive line.

Abstract: A cable includes a flexible jacket extending along a length and first and second lateral axes perpendicular to the length. The jacket also defines flat major surfaces that are parallel to each other and spaced apart on opposite sides of the first lateral axis. First and second inner wire assemblies extend within the jacket. The jacket maintains the first and second inner wire assembles in predetermined positions along the first lateral axis within 0.05 mm of each other and disposed on opposing sides of the second lateral axis. First and second outer wire assemblies also extend within the jacket. The outer wire assemblies include a wire of conductive filaments and an insulating layer of an enamel material surrounding the wire. The jacket maintains the first and second outer wire assemblies in positions along the first lateral axis and spaced apart from the first and second inner wire assemblies.

Abstract: The method of manufacturing a high-voltage electrical insulator (1), comprising at least one metal insulator element (4, 6) cemented to a dielectric insulator element (2) by means of a cement mortar (5), comprises at least one of the following steps: preparing the cement mortar (5) from aluminous cement and sand that are mixed with at least water; assembling the dielectric element (2) with the metal element (4, 6), the mortar (5) being placed between the dielectric insulator element (2) and the metal element (4, 6); and vibrating the dielectric element (2) and the metal element (4, 6) as assembled together, so as to distribute the mortar (5) between the dielectric element and the metal element (2, 4, 6). In order to prepare the mortar (5), an active ingredient of the polymer superplasticizer type based on polyglycol methacrylic acid ester is added, and the vibrating is performed for a duration lying in the range 2 seconds to 20 seconds, and preferably in the range 4 seconds to 15 seconds.

Abstract: A joint body for protecting an electrical cable connection including an electrical cable includes an expandable, elastomeric bladder sleeve and an electrically insulating gel. The bladder sleeve defines a gel cavity and a cable passage to receive the electrical cable. The gel is disposed in the gel cavity and surrounds at least a portion of the cable passage. The joint body is configured to be installed on the connection such that the connection is disposed in the cable passage and is surrounded and electrically insulated by the gel.

Abstract: An electric fence insulator is formed as a flexible band of material with an opening along a lateral periphery. The band is flexed to position around the perimeter of a fence post along a length of the fence post as determined by the length of the insulator. The insulator provides electrical insulation between an electrically energized fence wire and a point of contact of the wire with a grounded fence post. The insulator includes a fastener at the opening to close to a secure position using a simple clipping motion after the insulating band is positioned on the fence post at a selected height. The insulator forms a minimal lever arm between the fence post and the energized wire. The insulator may be retrofitted to existing installations with fence wire already installed without a need to access the fence post from the top to the section requiring electrical insulation.

Abstract: A masterbatch including an ethylene copolymer and at least one ethylene comonomer having at least one polar group, an organic peroxide, and an anti-oxidant, the organic peroxide accounting for 0.2 to 100 parts by weight, for 100 parts by weight of the copolymer, and the anti-oxidant accounting for 0.02 to 50 parts by weight, for 100 parts by weight of the copolymer. Also, methods for preparing the masterbatch and to the uses of said masterbatch for manufacturing insulating layers for electric cables and for limiting or preventing the water tree phenomenon for electric cables.

Abstract: The present invention relates to a thermally conductive, self-supporting, electrically insulating, flexible sheet, which is advantageously useful for the insulation of electrical machines or devices, to a process for the manufacture as well as to the use thereof.

Abstract: A cover apparatus can cover an electrical insulator and an electrical conductor. The cover apparatus includes one or more leg sections for covering a portion of the electrical conductor. The cover apparatus includes a cover section coupled to the one or more leg sections and covering a portion of the electrical insulator. The cover section includes a body portion and an adjustable portion coupled to the body portion at a coupling location. The adjustable portion can be adjusted such that a dimension of the adjustable portion is adjusted according to a dimension of the electrical insulator. An example method of forming a cover apparatus for covering an electrical insulator and an electrical conductor is also provided.

Abstract: One aspect is a method of coupling an insulator to a surrounding ferrule in an implantable medical device. An insulator is provided having a plurality of conducting elements extending therethrough. The insulator is placed with conducting elements within a ferrule having a frame-like shape surrounding the insulator along an interface. The insulator is heated with a first laser until raising the temperature of insulator to a first temperature level. The ferrule is welded to the insulator along the interface with a second laser once the insulator has reached the first temperature.

Abstract: A self-wrapping, textile sleeve for routing and protecting elongate members from electromagnetic interference and a method of construction thereof is provided. The sleeve has an elongate wall constructed from interlaced yarns. At least one of the yarns is provided as heat-settable polymeric yarn that is heat-set to bias the wall into a self-wrapping configuration about a longitudinal central axis of the sleeve to bring opposite edges into overlapping relation with one another to provide a generally tubular cavity in which the elongate members are received. Further, at least one of the yarns is provided as a bi-component metallic wire having an aluminum core and an outer layer of copper.

Abstract: A cover apparatus can cover an electrical insulator and an electrical conductor. The cover apparatus includes a leg section that covers a portion of the electrical conductor. A cover section covers a portion of the electrical insulator. The cover section can include a body portion that is coupled to the leg section at a first coupling location. The cover section includes an adjustable portion coupled to the body portion at a second coupling location located on an opposite side of the body portion relative to the first coupling location. The adjustable portion can be adjusted such that a dimension of the adjustable portion is adjusted according to a dimension of the electrical insulator. A method of forming a cover apparatus for covering an electrical insulator and an electrical conductor is also provided.

Abstract: A method for sealing an interface to attenuate high energy currents and voltages traveling thereacross may include forming a cover defining an inner volume shaped to enclose the interface; forming a filled sealant including a semi-rigid sealant mixed with a filler having a multiplicity of discrete particles of different composition than the semi-rigid sealant; placing the filled sealant within the inner volume; and placing the cover containing the filled sealant over the interface such that the filled sealant is adjacent the interface.

Abstract: A fitting for a heat pump having at least one heat exchanger includes a first fitting element configured for connection with a tubing portion of the heat exchanger and a second fitting element removably connectable to the first fitting element and configured for connection with a tubing portion of the heat exchanger. A non-conductive element is disposed between at least a portion of the first fitting element and at least a portion of the second fitting element such that, when connected, the non-conducting element deforms between the first fitting element and the second fitting element to electrically isolate the second fitting element from the first fitting element.

Abstract: Method for replacing a suspension insulator on a tower having a davit arm supporting an attached insulator and a conductor shoe attaching an energized conductor to the insulator lower end including the steps of mounting a non-conductive board to the tower below the davit arm, mounting non-conductive struts between the board and the tower, positioning a movable slider in a track on the board, the slider supporting a jack and a conductor lifting bar attached to the jack, positioning the slider and operating the jack to lift and support the energized components, detaching the shoe from the insulator, moving the energized components to a remote position on the board, detaching and replacing the insulator while it is supported by a helicopter, positioning the slider and operating the jack to lift the shoe into alignment with the insulator and attaching the shoe to the insulator.

Abstract: A wiring material is provided by electrically connecting a connecting terminal with two single line conductors arranged in parallel. The connecting terminal is provided with a tube-shaped section for storing two single line conductors, the two single line conductors are inserted into the tube-shaped section, resistance welding is performed by carrying electricity from the external of the tube-shaped section in a status where the tube-shaped section and the single line conductors are mutually brought into contact, and the connecting terminal is electrically connected with the two single line conductors.

Abstract: A method and system for a cutout cover are provided. The cutout cover system includes a hollow head portion including a throat portion including an opening oriented toward a cutout when installed on the cutout and a tab portion extending from the hollow head portion in a first direction, the tab portion including a slit extending through the tab portion to the hollow head portion and dividing the tab portion into two joinable halves. The cutout cover also includes a nose portion extending from the hollow head portion in a second direction, the second direction opposite the first direction, the nose portion including a diverging cross-section along the nose portion from a distal end of the nose portion towards the head portion, the nose portion including a substantially smooth linear surface.

Abstract: Disclosed herein is a printed circuit board, including: a base substrate; a non-photosensitive insulating layer formed on the base substrate; a circuit pattern formed on the base substrate and having an upper portion protruded from an upper portion of the non-photosensitive insulating layer; and a dam made of a photosensitive material and formed on the upper portion of the non-photosensitive insulating layer of an outer side of the base substrate.

Abstract: A cover assembly for covering an elongate substrate includes a resilient, elastically expandable sleeve member and a holdout device. The sleeve member defines an axially extending inner sleeve passage. The holdout device includes a generally tubular core mounted in the inner sleeve passage. The core defines axially opposed end openings and a core passage extending therebetween to receive the elongate substrate. The core retains the sleeve member in a radially expanded state and can be withdrawn from the sleeve member to release the sleeve member to radially contract onto the elongate substrate. The holdout device is configured such that, after removal of the sleeve member from the core, the core can be laterally removed from the elongate substrate.

Abstract: A cold-applied cover assembly for environmentally protecting an electrical substrate includes a cold-applied polymeric cover member configured to surround the electrical substrate, and a gas transmission barrier (GTB) layer. The GTB layer is configured to surround the electrical substrate to define a protected chamber containing the electrical substrate and to inhibit ingress of a gas through the cover assembly into the protected chamber.

Abstract: Disclosed is a leak detection cable that has an outer jacket layer and a four wire construction in a flat wire configuration that is twisted in a helix. Detection cables are disposed on the exterior surface adjacent openings of the jacket to allow for detection of aqueous fluids. The wire is twisted in a helix to allow adjacent detector wires to easily detect aqueous fluids. Disparate materials are used for the jacket and the coatings of the wires, to allow the jacket to be easily removed from the wires without affecting the integrity of the coatings of the wires. The four flat wire configuration is sized and spaced for easy connection to an insulation displacement connector.

Abstract: A nanotube-based insulator is provided having thermal insulating properties. The insulator can include a plurality of nanotube sheets stacked on top of one another. Each nanotube sheet can be defined by a plurality of carbon nanotubes. The plurality of carbon nanotubes can be configured so as to decrease normal-to-plane thermal conductivity while permitting in-plane thermal conductivity. A plurality of spacers can be situated between adjacent nanotube sheets so as to reduce interlayer contact between the nanotubes in each sheet. The plurality of spacers can be ceramic or alumina dots or provided by texturing the nanotube sheets.

Abstract: A heat dissipation structure includes a multilayer board and a heat dissipator for dissipating heat generated in an electronic device incorporated in the multilayer board. The multilayer board has multiple base portions layered together and made of electrically insulating material. The base portion located between the electronic device and the heat dissipator has no interlayer connection conductor made of electrically conducting material and serves as an electrically insulating layer for providing electrical isolation between the electronic device and the heat dissipator.

Abstract: Disclosed herein is a method for fabricating an electric wire for a winding of a super-high heat-resistant motor pump, including: coating a bare copper wire with a first heat-resistant resin layer; applying a woven fiber cladding to an outer surface of the first heat-resistant resin layer; coating an outer surface of the woven fiber cladding with a second heat-resistant resin layer; and applying an inorganic sheath to an outer surface of the second heat-resistant resin layer.

Abstract: A cable for supplying power to an electric submersible pump (ESP) includes a helically disposed electrical conductor, at least one polymer layer extruded to embed the helically disposed electrical conductor, and a seam-welded metallic tube drawn over the hard polymer layer, all providing resistance to corrosive chemicals at high downhole pressures and temperatures. In an implementation, the helical disposition of cable components, added cushioning polymers and geometry, and a non-leaded metallic tube compensate for stress and differential thermal expansion to keep the cable protected from intrusion of corrosive chemicals. An example method of manufacture includes extruding a polymer layer to embed the helically disposed electrical conductor, seam-welding a metal strip to form a metallic tube around the polymer layer, and drawing the metallic tube down to fit tightly around the polymer layer.

Abstract: A pressure-balanced sleeve assembly for an electrical cable termination is disclosed. The sleeve assembly includes an outer sleeve surrounding the electrical cable; a chamber defined between the outer sleeve and the electrical cable; dielectric fluid contained within the chamber; and a seal that is positioned between the outer sleeve and the electrical cable to delimit and seal an end of the chamber to prevent the escapement of the dielectric fluid from the chamber, the seal being moveable along the cable in response to differences between a pressure within the chamber and a pressure outside of the chamber. Also disclosed herein is a pressure-balanced electrical cable assembly and a method of pressure-balancing a termination of an electrical cable.

Abstract: A method for fusing a first conduit to a second conduit. The first conduit and the second conduit each include a linear portion having a linear portion inside diameter, and at least one bell portion with a first end and a second end and having a bell portion inside diameter that increases from the first end to the second end. The method includes: melting at least a portion of each of the second end of the bell portion of the first conduit and the second end of the bell portion of the second conduit; and engaging the melted second end of the bell portion of the first conduit with the melted second end of the bell portion of the second conduit, thereby creating a fused joint area.

Abstract: A cold shrink assembly includes a first member, a second member, a shrink fit joint and a band. The first member has a tapered shape and includes a first opening or first notch. The second member has a tapered shape and includes a second opening or second notch. The shrink fit joint is disposed over a portion of the first and second members. The band is configured to secure the first and second members in a predetermined position. The band extends through the first opening or first notch, along a first portion of an outer surface of the cold shrink assembly, through the second opening or second notch, and loops back to the first opening or first notch along a second portion of the outer surface of the cold shrink assembly.

Abstract: A corona igniter (20) comprises a central electrode (22) surrounded by an insulator (26), which is surrounded by a conductive component. The conductive component includes a shell (34) and an intermediate part (36) both formed of an electrically conductive material. The intermediate part (36) is typically attached to a lower ledge (52) of the insulator outer surface (50) prior to inserting the insulator (26) into the shell (34). The shell firing end (56) is typically aligned with the lower edge and the intermediate firing end. The conductive inner diameter (Dg) is less than an insulator outer diameter (Dio) directly below the lower ledge (52) such the insulator thickness (ti) increases toward the electrode firing end (40).

Abstract: There is provided an acoustic element (102) for placement in a sound path (120) of a loudspeaker device (100), the acoustic element (102) comprising a container(104) and an acoustic volume increasing material(106) located in the container (104). In an embodiment, the container (104) comprises wall portions with different physical characteristics. In other embodiments, the walls of the container (104) are made of the same material.

Abstract: A method for protecting a length of flexible audio wire. The method includes providing at least one elongated hollow tube with a core and a resiliently-separable slit that provides access to the tube core. The tube is axially-flexible. The method also includes receiving the length of flexible audio wire within the hollow tube core through the resiliently-separable slit.

Abstract: Methods of making an integrated subgasket assembly, a unitized electrode assembly, an integrated fuel cell assembly, and products thereof. The methods include forming the subgasket by providing a base sheet having an initial thickness, stretching a first region of the base sheet a first distance, and forming an active area window in the base sheet.

Abstract: Devices, components and methods containing one or more light emitter devices, such as light emitting diodes (LEDs) or LED chips, are disclosed. In one aspect, a light emitter device component can include a ceramic body having a top surface, one or more light emitter devices mounted directly or indirectly on the top surface, and one or more electrical components mounted on the top surface and electrically coupled to the one or more light emitter devices, wherein the one or more electrical components can be spaced from the ceramic body by one or more non-metallic layers. Components disclosed herein can result in improved light extraction and thermal management.

Abstract: A condenser-type high-voltage bushing has a cast-resin-impregnated core formed of wound paper, onto which silicone shields have been applied. The high-voltage bushing is further improved with regard to its design and manufacture in such a way that said high-voltage bushing in the long term meets the electrical requirements to which it is subjected. For that purpose, the wound core bears a vapor-tight cover layer on the outside and the silicone shields are applied on the cover layer.

Abstract: A wildlife guard assembly for an electrical insulator body includes at least three guard members serially connected to one another such that at least one of the guard members is moveable relative to the others. Each of the guard members has a respective shell body. The guard members are selectively movable between an open position, wherein the guard members are configured to receive the insulator body, and a closed position, wherein the shell bodies of the at least three guard members collectively form an enclosure defining a chamber to receive the insulator body such that at least a portion of the insulator body is enclosed by the enclosure.

Abstract: An insulation system and method are disclosed for insulating formed coils of electrical machines, such as motors and generators. The system includes strand/turn insulation that may include one or more layers of different materials, depending upon the dielectric requirements. A ground wall insulation is applied over the group of turns. The coil may be sized in a slot cell section. Additional insulation layers are provided, including a slot corona suppression insulation that extends just beyond stator slots, a voltage grading layer, and an armor layer. The resulting system is highly adaptable to different machine designs and ratings, and affords superior resistance to degradation.