Abstract: A method for making a circuit board comprising: providing a silver clad laminate comprising a substrate and two silver foils; forming at least one through hole on the silver clad laminate, the through hole comprises an annular middle wall and two annular edge walls connected to two sides of the annular middle wall; forming an organic conductive film on the annular middle wall; forming a dry film pattern layer on the second area; plating copper to form a copper circuit layer on the first area, and to form a via hole in the through hole; removing the dry film pattern layer; and etching the second area of the silver foil away. The first area changes to a silver circuit layer. The copper circuit layer and the silver circuit layer define a conductive circuit layer. A circuit board made by the method is also provided.

Abstract: A method is presented for remote installation or removal of circuit breakers using a remote racking tool outside the arc flash zone of the circuit breakers. The remote racking tool has a drive assembly, remote control assembly, and radio remote pendant station. The remote racking enables operators to install or remove circuit breakers in switchgear or equipment rooms safely away from the arc flash zone.

Abstract: Embodiments of laminated stator cores suitable for usage in high temperature applications are provided, as are embodiments of methods for manufacturing high temperature laminated stator core. In one embodiment, the method includes obtaining a plurality of coated laminates each comprising a laminate over which a coating precursor layer is formed. The coating precursor layer contain inorganic dielectric particles having a softening point. The plurality of coated laminates are arranged in a laminate stack, which is then fired at temperatures equal to or greater than the softening point of the inorganic dielectric particles. During firing, a compressive force is applied to the laminate stack sufficient to consolidate the inorganic dielectric particles into a plurality of coherent interlaminate dielectric layers electrically insulating and bonding together the plurality of coated laminates as the high temperature laminated stator core.

Abstract: Methods of fastening a cage with a fastening system in an MRD. One method includes: assembling: a plurality of pole pieces; a plurality of side magnets, the side magnets substantially enclosing the pole pieces and thereby defining a magnetic envelope and enclosed volume therein; a plurality of side walls, the side walls substantially enclosing the side magnets; a plurality of face walls and a plurality of fastening rods; and passing a plurality of fastening rods through at least one of the side magnets and at least one of the pole pieces and fastening them in an effective measure, such that the rods physically interconnects at least one pair of side walls.

Abstract: The present invention relates to electrically conductive paths in planar substrates. Various embodiments provide a method of forming one or more electrically conductive paths in a planar substrate, wherein substantially none of the substrate is removed during formation of the path. In various embodiments, by avoiding the removal of substrate during formation of the electrically conductive path, problems caused by residual substrate material can be advantageously avoided. In various embodiments, the planar substrate with the electrically conductive path can be used to make a planar fuel cell array.

Abstract: A manufacturing method of a circuit board and a piezochromic stamp are provided. A circuit pattern is formed on a dielectric substrate. A dielectric layer having a hole or a conductive via and covering the circuit pattern is formed on the dielectric substrate. A conductive seed layer is formed on the dielectric layer. A photoresist layer is formed on the conductive seed layer. A piezochromic stamp is imprinted on the photoresist layer, wherein when the pressing side of the piezochromic stamp is in contact with the conductive seed layer, the light transmittance effect thereof is changed to blocking or allowing light having a specific wavelength to pass through. A patterned photoresist layer is formed by using the piezochromic stamp as a mask. A patterned metal layer is formed on the exposed conductive seed layer. The patterned photoresist layer and the conductive seed layer are removed.

Abstract: A fastener for improved electrical contact with a composite structure and improved distribution of electric current to the composite structure. The fastener includes an elongated shaft having a first end with a head portion, a second end with a threaded portion, and a shaft body therebetween. At least one feed channel extends from an opening at the threaded portion, through the shaft body, and terminates proximal to the head portion. The shaft body radially expands upon pressure injection of a resin filler into the feed channel, when the fastener is installed in a corresponding fastener hole formed in the composite structure. Upon radially expanding, the outer surface of the shaft body makes contact with an inner hole surface of the corresponding fastener hole, resulting in the fastener providing electrical contact with the composite structure and providing distribution of electric current.

Abstract: A fitting for coupling ends of insulated conductors includes a sleeve to couple an end of a jacket of a first insulated conductor to an end of a jacket of a second insulated conductor. The sleeve is located between end portions of the insulated conductors. At least one of the ends of the sleeve is angled relative to the longitudinal axis of the sleeve. The sleeve has a longitudinal opening that extends along the length of the sleeve substantially the distance between end portions of the jackets of the insulated conductors. The longitudinal opening allows electrically insulating material to be filled into the sleeve.

Abstract: Disclosed is an electrical transformer for improved transformer power capacity and efficiency designed by the application of disclosed design considerations. One embodiment design consideration is a method to configure power transformer windings wherein the minimum distance of the primary windings from the winding axis/core center is greater (the primary windings are more distal) from the winding axis than the minimum distance of the secondary windings, which are wound around the minimum interior core diameter. This design consideration is extended from single bobbin transformer designs to split bobbin designs, with the requisite distal increase of the primary windings (from the core axis) geometrically provided by an enlarged core bobbin center leg (axial) dimension beneath the primary winding window.

Abstract: A method for producing a luminaire housing on an additive manufacturing system includes selecting a luminaire housing base shape from which a data file of a first convex polyhedral model is built, rescaling the first convex polyhedral model into a larger convex polyhedral model, filling the larger convex polyhedral model with multiple versions of the first convex polyhedral model, separating larger convex polyhedral shape model into structural unit shape, and providing the data file containing the structural unit shapes to the additive manufacturing system. In some implementations an interior volume of the larger convex polyhedral shape model can be cleared of portions of first convex polyhedral model. The method includes the additive manufacturing system producing one or more structural units based on the structural unit shapes described in the electronic data file. A non-transitory computer readable medium, and a luminaire housing including a light source are described.

Abstract: A shelf assembly for a refrigerator or freezer includes a receiving plate for receiving objects, a holding arrangement which is joined to the receiving plate to form a structural unit and by means of which the shelf assembly can be mounted in a cooling or freezing space of the refrigerator or freezer on delimiting walls of the cooling or freezing space, and an electrical consumer such as a lighting module. The holding arrangement has a holding element which is arranged in the region of a side edge of the receiving plate, extends along the side edge and is made at least in part of an electrically conducting metal material. The shelf assembly forms a power supply path via the metal material where the power supply path includes an electrically conducting element that extends into a cutout in the holding element and in electrically conducting contact with the holding element.

Abstract: Methods for producing a glow plug having a housing, a ceramic glow pin and a protective tube from which a section of the glow pin projects which is thinner than a thicker section arranged in the protective tube. The thinner section leads to a glow tip. The glow pin is inserted into the protective tube and the protective tube is inserted into the housing. A securing element is placed onto the first end of the glow pin. The internal diameter of the securing element is smaller than the maximum diameter of the glow pin. The securing element is fastened on the protective tube. Alternatively, the protective tube is heated locally at a section of the protective tube surrounding the thinner section, and there the interior width of the protective tube is reduced to a value smaller than the diameter of the thicker section of the glow pin.

Abstract: An integral, unitary cover assembly for covering an electrical connection between first and second electrical cables each having a primary conductor and a neutral conductor, includes an elastomeric inner sleeve, an elastomeric outer sleeve surrounding the inner sleeve, and a collapsible duct assembly interposed radially between the inner and outer sleeves. The inner sleeve defines a cable passage to receive the electrical connection and the primary conductors of the first and second cables. The duct assembly includes an outer duct sleeve member defining a first passage and an inner retention member disposed in the first passage. The retention member maintains the duct sleeve member in an open configuration when the retention member is disposed in the first passage. The duct sleeve member is selectively collapsible about the at least one neutral conductor from the open configuration to a collapsed configuration by withdrawing the retention member from the first passage.

Abstract: Various resistor circuits and methods of making and using the same are disclosed. In one aspect, a method of manufacturing is provided that includes forming a resistor onboard an interposer. The resistor is adapted to dampen a capacitive network. The capacitive network has at least one capacitor positioned external to the interposer.

Abstract: A system for assembling electronic devices includes at least one coating element for applying a moisture-resistant coating to surfaces of a device under assembly, or an electronic device under assembly. As components and one or more moisture-resistant coatings are added to the electronic device under assembly to form a finished electronic device, at least one surface on which the coating resides and, thus, at least a portion of the coating itself, is located internally within the finished electronic device. Methods for assembling electronic devices that include internally confined moisture-resistant coatings are also disclosed.

Abstract: Apparatus and methods are provided which enable a capacity to remotely enable research, development, and production tasks to be done at a point of use (POU) as well as permitting some design tasks to be done remotely with manufacturing employing, for example, additive manufacturing (AM), for printed circuit boards (PCB) as well as other electrical items. In particular, some embodiments are directed towards facilitating POU on-site manufacturing capacity with a remote or distributed requirements/design process.

Abstract: Disclosed is a method of wiring a coil in parallel around a stator having a plurality of teeth, which includes the steps of: winding the coil around a tooth starting from a top or a bottom of the stator; continuously winding the coil around an adjacent tooth when winding on the tooth is completed; cutting an end portion of the coil positioned at either the top or the bottom of the stator; wiring the cut end portion of the coil using a bus-bar; and wiring a neutral point to the other end of either the top or the bottom of the stator.

Abstract: Methods of connecting wires (126) to feedthrough pins (104) and apparatus including wires connected to feedthrough pins.

Abstract: An end effector assembly for use with an electrosurgical instrument is provided. The end effector assembly has a pair of opposing jaw members. Each of the jaw members has a support base, an electrical jaw lead, and a sealing plate coupled to the electrical jaw lead. The sealing plate has a stainless steel layer and an electrically insulative layer.

Abstract: Provided are a display device and a method of manufacturing the same. The display device includes a display panel having one surface and the other surface, a main drive board formed on the other surface of the display panel, a flexible circuit board having one end electrically connected to the one surface of the display panel and the other end electrically connected to the main drive board and having a bent portion formed at a lateral surface of the display panel, and a board support portion formed on an inner surface of the flexible circuit board.