Abstract: A method of forming a fibre article, comprising: providing a former having a contoured forming surface; locating a fibre preform between a first diaphragm and a second diaphragm, the second diaphragm being offset from the forming surface; drawing a vacuum between the first and second diaphragms so as to hold the preform captive between the diaphragms; displacing the diaphragms relative to the former so as to bring a part of the second diaphragm adjoining the preform into partial conformity with the former; drawing a vacuum between the second diaphragm and the former so as to increase the conformity between the said part of the second diaphragm and the former; and setting the preform in its configuration.

Abstract: A coated article for an electro-mechanical which includes conductors carrying current therewithin, at least one heat convection enabling component disposed in an operable connection with one or more of the conductors, and a coating applied at least partially on the conductors and/or the at least one heat convection enabling component. The coating is a Graphene coating increasing current carrying capacity of the conductors and enhancing operational efficiency of the electro-mechanical device.

Abstract: The invention relates to a method for producing a cured composition which has at least one oxazolidinone ring and at least one isocyanurate ring and is cross-linked by the same, starting from a liquid reactive mixture which, based on the total weight thereof, contains at least one epoxy resin, at least one polyisocyanate, at least one polyol, and at least one catalyst composition. The invention further relates to the cured composition obtainable thereby.

Abstract: The present invention relates to the use of bis-anhydrohexitol ethers as reactive diluents in a crosslinkable resin, adhesive, coating or composite matrix composition. Not only do these products make it possible to advantageously reduce the viscosity of the mixtures obtained, but they also lead to a very small reduction in the glass transition temperature of the crosslinked mixtures, compared to other reactive diluents, while spectacularly improving the mechanical properties of the latter such as the Young's modulus, the tensile strength, the elongation at break and the toughness.

Abstract: The present invention relates to a catalyst composition for curing resins containing epoxy groups, in particular epoxy/polyurethane hybrid resins, the catalyst composition containing an imidazolium salt, in addition to a base, as well as a method for curing such resins in the presence of the catalyst composition, to the use of the catalyst composition for curing resins containing epoxy groups, to resin systems comprising a resin containing epoxy groups and the catalyst composition, and to a dosing system that comprises the resin and the catalyst composition.

Abstract: A bonding system for bonding a plastic substrate to another substrate, the bonding system comprising a plastic substrate wherein the plastic substrate is impregnated with a transition metal; and an anaerobically curable composition. Cure of the anaerobically curable composition is initiatable by the transition metal when the anaerobically curable composition is contacted with the plastic substrate under anaerobic conditions.

Abstract: A transformer assembly is provided that includes a housing, transformer oil disposed within the housing, a plurality of coils of electrically conductive wire, and aliphatic polyamide insulation material operable to insulate the coils disposed within the oil. The plurality of electrically conductive coils is disposed in the housing and in contact with the transformer oil. The aliphatic polyamide insulation material includes stabilizing compounds and nano-fillers. The stabilizing compounds provide thermal and chemical stability for the insulation material.

Abstract: Two substrates are mechanically and electrically coupled together using a combination of a fast cure electrically non-conductive epoxy for mechanical attachment and a slow cure electrically conductive epoxy for electrical interconnects. The two epoxies are selectively applied between the two substrates as a stack, and the stack is subjected to a temperature that is sufficient to cure the fast cure electrically non-conductive epoxy in a short period of time but does not damage the substrates or components coupled thereto. In some applications, the temperature is less than 100 degrees Celsius and the time period is less than 5 seconds. The stack is removed from the heat and the slow cure electrically conductive epoxy continues to cure over a longer second period of time, such as a few hours to a day.

Abstract: The present disclosure relates to a curable system comprising at least two compositions (A) and (B) where composition (A) comprises an epoxy resin, an inorganic thixotropic agent, an organic gelling agent and a filler and composition (B) comprises a hardener, an inorganic thixotropic agent, an organic thixotropic agent and filler. The curable system may be used in the manufacture of components or parts of electrical equipment.

Abstract: A common mode filter and a manufacturing method thereof are disclosed. The common mode filter in accordance with an embodiment of the present invention includes: a magnetic substrate; a coil layer formed on the magnetic substrate and including a coil pattern; a magnetic layer formed on the coil layer; a resin layer formed on the magnetic layer; and an external electrode formed in the resin layer so as to be electrically connected with the coil pattern.

Abstract: A coil includes a wound body and a resin covering. The wound body is configured by winding a conductor. The wound body is pressure-moulded. The resin covering covers a surface of the wound body.

Abstract: An insulating material and its method of use of insulating material for rotating machines such as motors and generators. The insulating material includes a resin embedded with a filler that is not based only on a monomodal nanoparticle size particle distribution. Radiation erodes the material and is conductive to the formation of in situ protective layers on the body to be insulated.

Abstract: A method of manufacturing a solenoidal magnet structure, comprising the steps of providing a collapsible mold in which to wind coils; winding wire into defined positions (88) in the mold to form coils (34); placing a preformed tubular mechanical support structure (102, 120) over the coils (34) so wound; impregnating the coils and bonding them to the mechanical support structure by applying a thermosetting resin and allowing the thermosetting resin to harden; and collapsing the mold and removing the resultant solenoidal magnet structure comprising the resin impregnated coils and the mechanical support structure from the mold as a single solid piece.

Abstract: Electrical insulating resin comprising A) isohexidediol diglycidyl ether, B) a hardener, C) an optional filler, D) further optional additives. The isohexidediol diglycidyl ether is preferably an isosorbide diglycidyl ether, isomannide diglycidyl ether or isoidide diglycidyl ether.

Abstract: The embodiments disclosed herein relate generally to magnetic resonance imaging systems and, more specifically, to the manufacturing of a gradient coil assembly for magnetic resonance imaging (MRI) systems. For example, in one embodiment, a method of manufacturing a gradient coil assembly for a magnetic resonance imaging system includes depositing a first layer comprising a base material onto a surface to form a substrate and depositing a second layer onto the first layer. The second layer may enable bonding between a conductor material and the substrate. The method also includes depositing a third layer onto the second layer using a consolidation process. The consolidation process uses the conductor material to form at least a portion of a gradient coil.

Abstract: Microfabricated inductors with through-wafer vias and including a first wafer and a second wafer, each wafer having a plurality of metal fillings therein, and a plurality of metal conductors connecting the plurality of metal fillings together to form a spiral. A method for producing an inductor including steps of forming a first plurality of vias in a first substrate, filling the first plurality of vias in the first substrate with a first plurality of metal fillings, forming a first plurality of metal conductors, connecting pairs of the first plurality of metal fillings together using the first plurality of metal conductors to form a spiral, performing the foregoing steps similarly on a second substrate formed with a second plurality of vias filled with a second plurality of metal fillings, and bonding the first substrate with the second substrate.

Abstract: Disclosed herein is a common mode filter, including: a magnetic substrate; and a body part formed on the magnetic substrate, wherein the body part is configured of an insulating layer surrounding a coil electrode, an outer electrode terminal connected with an end of the coil electrode, and a magnetic resin composite, the insulating layer is formed on the magnetic substrate, having a margin part M disposed at an edge of the magnetic substrate, and the magnetic resin composite is filled in an empty space of the body part including the margin part M, thereby promoting a consecutive flow of magnetic flux that is generated from the coil electrode.

Abstract: Disclosed herein is a common mode filter including: a magnetic substrate; an electrode layer disposed on one surface of the magnetic substrate and formed of a coil electrode and an insulating resin enclosing the coil electrode; and an uneven layer disposed between the magnetic substrate and the electrode and formed of a groove and a projection, wherein a part of the insulating resin is depressed between the groove of the uneven layer, whereby an adhesion between the magnetic substrate and the insulating resin is increased.

Abstract: A coil-type electronic component has a coil inside or on the surface of its base material wherein the base material in the coil-type electronic component is constituted by a group of grains of a soft magnetic alloy containing iron, silicon and other element that oxidizes more easily than iron; the surface of each soft magnetic alloy grain has an oxide layer formed on its surface as a result of oxidization of the grain; this oxide layer contains the other element that oxidizes more easily than iron by a quantity larger than that in the soft magnetic alloy grain; and grains are bonded with one another via this oxide layer. The coil-type electronic component can be produced at low cost and combines high magnetic permeability with high saturation magnetic flux density.

Abstract: A composition for insulating a component may include between about 80 and about 99 percent by volume of a non-silicone-based insulating resin. The composition may also include between about 1 and about 20 percent by volume of magnesia trihydrate.

Abstract: Disclosed herein are a multilayered power inductor including an inner electrode coil pattern formed on a ceramic substrate; an outer electrode layer; and a magnetic layer made of a metal powder insulated along a grain interface of the metal powder included in a part or the whole of a chip, and a method for preparing the same. According to the exemplary embodiments of the present invention, the magnetic layer made of the metal powder insulation-coated with the ceramic material along the grain interface of the magnetic metal powder can be used for a part or the whole of the chip, thereby increasing the filling ratio of the magnetic metal powder to 90% within the magnetic layer. Therefore, a high-capacity power inductor can be implemented to effectively improve efficiency characteristics.

Abstract: Disclosed herein are a coil component and a manufacturing method thereof. The coil component includes: an electrode body including coil electrodes disposed therein, the coil electrodes having an insulating film deposited on a surface thereof; and external terminals formed at both side portions of the electrode body and connected to the coil electrodes, wherein the electrode body is made of an insulating material with which magnetic powders are mixed, in order to improve impedance characteristics.

Abstract: According to various embodiments, a method for forming a direct data connector for a sealed device may be provided. The method may include: providing a substrate with a hole; and filling the hole with a filling material using a plating process.

Abstract: Coil bodies having a ceramic core.

Abstract: The present invention relates to a stacked chip inductor. According to one aspect of the present invention, provided is an inductor including: a stacked structure; and an external electrode structure formed outside of the stacked structure, wherein the stacked structure: an insulating layer; and a polymer layer is stacked on the insulating layer.

Abstract: An electrode plate is configured by applying an active material onto a base member formed of a punching steel plate, the electrode plate being wound via a separator together with an electrode plate, which has a different polarity, and having an outermost peripheral portion positioned at the outermost periphery of an electrode assembly. The rate of hole area of the base member at a different electrode overlapping portion, which radially inwardly overlaps on a winding terminal end of the electrode plate having the different polarity, is smaller than that of the base member at the outermost peripheral portion.

Abstract: A coil-type electronic component has a coil inside or on the surface of its base material wherein the base material in the coil-type electronic component is constituted by a group of grains of a soft magnetic alloy containing iron, silicon and other element that oxidizes more easily than iron; the surface of each soft magnetic alloy grain has an oxide layer formed on its surface as a result of oxidization of the grain; this oxide layer contains the other element that oxidizes more easily than iron by a quantity larger than that in the soft magnetic alloy grain; and grains are bonded with one another via this oxide layer. The coil-type electronic component can be produced at low cost and combines high magnetic permeability with high saturation magnetic flux density.

Abstract: A common mode filter with a multi spiral layer structure includes a first coil, a second coil, a third coil connected in series with the first coil, a fourth coil connected in series with the second coil, a first material layer and a second material layer. The second coil is disposed between the first and third coils, and the third coil is disposed between the second and fourth coils. At least one of the first and second material layers comprises magnetic material. The first, second, third, and fourth coils are disposed between the first and second material layers.

Abstract: An electrical machine is described that has a ceramic material as insulation around the winding wire. In some embodiments, the ceramic material is hexagonal boron nitride (HVR), aluminum oxide, aluminum nitride, or beryllium oxide. The ceramic material may be rolled, brush, sprayed, or dipped onto the wire using a binder-less or binder-containing solution. The whole wire may be coated, or just parts that are particularly subject to abrasion of the conductor and/or electrical contact with other conductive materials.

Abstract: In one embodiment and method of the present invention, a coil of a write head is created by forming a P1 pedestal layer and a back gap layer and further forming a coil pattern consistent with the coil to be formed and insulator spacers dispersed in the coil pattern, using a non-damascene process, thereafter the coil is formed by plating using a damascene process.

Abstract: The present invention is designed to provide an insulation coil with high insulation reliability using a dry mica tape, an integral impregnation coil and a mica tape for the electrical rotating machines using these coils, said mica tape having a long shelf life and capable of preventing run-off of the impregnating epoxy resin composition during curing, with the cured product of said epoxy resin composition being high in heat resistance. It is also envisaged to provide a single insulation coil using a mica tape containing epoxy adduct imidazole as an epoxy resin curing catalyst or a mica tape containing a mixture of epoxy adduct imidazole and zinc naphthenate. An integral impregnation coil made by using said insulation coil and an epoxy resin composition, and the electrical rotating machines using such coils are also provided.

Abstract: Methods and apparatus described herein are associated with integrated magnetic induction devices. A magnetic induction device can include a groove formed in a substrate, a magnetic core included in the groove and surrounded by a conductive winding that is adjacent to portion(s) of the substrate, and respective insulation layers included between the substrate and the conductive winding and between the magnetic core and the conductive winding. An inductor can further include conductive vias formed in the substrate and connected to respective portions of the conductive winding. Further, a transformer can include a groove formed in a substrate, a closed-loop/gapped magnetic core included in the groove and surrounded by first and second conductive windings that are adjacent to respective portions of the substrate, and respective insulation layers formed between the substrate and the first and second conductive windings, and between the closed-loop/gapped magnetic core and the first and second conductive windings.

Abstract: A molded coil according to the present invention includes a coil body that is formed by an elongated insulation-coated conductor. The coil body has a spiral portion winded around in a spiral manner, a first end portion forming a beginning end of the spiral portion, and a second end portion forming a terminating end of the spiral portion. The molded coil also includes an insulative locking member that keeps a shape of the spiral portion so as to prevent the spiral portion from expanding in a vertical direction, and an insulative resin body that covers the spiral portion with the locking member being attached thereto.

Abstract: A rotary electric machine-manufacturing apparatus utilized to implement a process of infiltrating varnish into wire-wound coils of a rotary electric machine, and of curing the varnish, an apparatus includes a rotator 2 supporting a work S attached with the wire-wound coils Sc and rotating the work; and a high-frequency power supply device supplying electric power to the wire-wound coils. It is thus possible to support and heat up the work without having devices that surround the work S, thereby positioning a varnish dropping-infiltrating device 6 appropriately. Further, there is no need to change a stage as conventional heat-up processes with an oven or a hot blast-circulating furnace did, and an entire process from pre-drying to curing can be implemented at a single stage.

Abstract: There is provided a method of manufacturing an electric motor. To begin with, a stator is provided by fixing a stator winding on a stator core. The stator winding has a coil end projecting from one end face of the stator core. Subsequently, a lead wire is drawn out from the coil end radially outward thereof. A connecting terminal is fixedly mounted to a distal end of the lead wire. A terminal block is provided such that the terminal block is held at a position to be finally fixed relative to the stator. The lead wire is bent toward the terminal block. The connecting terminal is electrically connected to the terminal block. An insulator is coated on the lead wire and the coil end by impregnating the lead wire and the coil end with liquid insulating material.

Abstract: A method includes coating a conductive wire with a paste comprising a first inorganic dielectric material, an organic binder, and a solvent to form a coated wire, drying the coated wire at a first drying temperature to remove at least a portion of the solvent and form a green wire, winding the green wire around a core to form a green assembly, heat treating the green assembly at a decomposing temperature above the first temperature and below a melting point of the first inorganic dielectric material to decompose the organic binder to form an intermediate assembly, and exposing the intermediate assembly to a densifying temperature that is above the decomposing temperature and substantially equal to or above the melting point of the first inorganic dielectric material to densify the dielectric material on the conductive wire.

Abstract: A method is provided that utilizes silicon through via technology, to build a Toroid into the chip with the addition of a layer of magnetic material such as Nickel above and below the T-coil stacked multi-ring structure. This allows the connection between the inner via and an array of outer vias. This material is added on a BEOL metal layer or as an external coating on the finished silicon. Depending on the configuration and material used for the via, the inductance will increase approximately two orders of magnitude (e.g., by utilizing a nickel via core). Moreover, a ferrite material with proper thermal conduction properties is used in one embodiment.

Abstract: A method for manufacturing a module including a planar coil, and a module including a planar coil, reduce manufacturing cost and also are able to handle a large current. The method for manufacturing the module including the planar coil includes the steps of providing a second resin layer including a magnetic filler on a first resin layer with a built-in chip-type electronic component; providing a planar coil on the second resin layer; and providing a third resin layer including a non-magnetic property so as to coat the planar coil.

Abstract: The laminate device of the present invention comprises magnetic layers and coil patterns alternately laminated, the coil patterns being connected in a lamination direction to form a coil, and pluralities of magnetic gap layers being disposed in regions in contact with the coil patterns.

Abstract: A method of manufacturing a solenoidal magnet structure, includes the step of providing a collapsible accurate mold in which to wind the coils winding wire into defined positions in the mold, placing a mechanical support structure over the coils so wound, impregnating the coils and the mechanical support structure with a thermosetting resin, allowing the thermosetting resin to harden, and collapsing the mold and removing the resultant solenoidal magnet structure formed by the resin impregnated coils and the mechanical support structure from the mold as a single solid piece.

Abstract: A motor winding wire. The motor winding wire may be configured for use in, and direct exposure to, a hydrocarbon environment. The motor winding wire may be electrically insulated by one polymer layer, whereas another, outer, polymer layer is employed to provide moisture resistance as well as other contaminant and hydrocarbon environment shielding to the underlying layer. Additionally, this manner of polymer layering over the motor winding wire is achieved in a manner cognizant of the limited dimension of the motor winding wire.

Abstract: A method of fabricating a semiconductor device by filling carbon nanotubes in a recess is disclosed. The method of fabricating the semiconductor device comprises patterning a mold on a substrate, coating carbon nanotubes on an entire surface of the recess and the mold formed by the patterning, filling the carbon nanotubes coated on the an entire surface of the mold in the recess, and removing the mold.

Abstract: A method of insulating a coil of an electrical machine includes applying an insulating varnish to a coil of conductive wire. The varnish includes (i) a resin; (ii) a first catalyst having a first activation temperature, the first catalyst being active at room temperature; and (iii) a second catalyst with a second activation temperature substantially higher than the first activation temperature. The varnish is allowed to partially cure at room temperature. The coil is mounted to a yoke to form a rotor of the electrical machine. The rotor is operated so as to heat the coil and activate the second catalyst to complete curing of the varnish.

Abstract: Apparatus for making a helically wound conductor includes a pulling mechanism for axially advancing a cable core and a guide mechanism for axially directing one or more secondary strand(s) from a location offset from the cable core toward the cable core at a common approach angle. A mandrel body is disposed at a forward end of the apparatus, the mandrel body having an axial passageway extending from a rearward to the forward end of the mandrel body dimensioned to axially receive the cable core therethrough and a forward radiused end positioned to intercept the secondary strand(s). The secondary strand(s) converge on the mandrel radiused end at a common approach angle, tangentially intersect respective locations of the mandrel radiused end, and follow the radiused end to intersect with the cable core.

Abstract: The use of cyclohexane polycarboxylic acid esters for the preparation of coating compositions for the coil coating process containing at least one paste PVC and at least one extender PVC and of coated coils, the coil coating process, which is carried out by using coating compositions containing cyclohexane polycarboxylic acid esters, one-sided or two-sided coated coils with at least one coating composition containing at least one cyclohexane polycarboxylic acid ester as well as three-dimensional formed parts preparable by the shaping of the said coated coils.

Abstract: In one embodiment a coating process is disclosed. The process comprises, assembling a coating shield to an article, and disposing a coating on the article via an electrostatic coating process, wherein the coating lacks electrostatic attraction to the coating shield.

Abstract: A superconductor coating inclusive, tape-like electrical conductor and windings using such conductor for magnets and electrical machines, etc. The described windings are suited for inclusion of successor superconductor materials such as yttrium barium copper oxide wherein magnetic flux related losses can potentially be excessive and preclude successful machine operation. Winding orientation and configuration of the conductor in an alternating current machine for lower losses are disclosed along with methods and apparatus for achieving the desired windings. Windings intended for differing locations within a machine of this type are made possible by the invention. Equations relating to magnetic losses incurred in such windings are also disclosed.

Abstract: The present disclosure relates to high purity apparati, e.g., magnetic hard disk drives, and more specifically, to coatings for particle reduction of surfaces of such apparati. The provided coatings include thin polymer coatings with reactive pendant groups having crosslinking functionality and ability to anchor to substrate surfaces to suppress particle shedding from substrate surfaces. Provided is a substrate that includes a coating on at least a portion of the substrate that comprises a fluorinated acrylate random copolymer. Methods of reducing particulate contamination are also provided.

Abstract: A composition for fixing wound items comprising A) 0 to 90 wt % of at least one ?, ?-unsaturated polyester and/or polyester imide resin based on at least one unsaturated mono-, di- or tricarboxylic acids and/or mono-, di- or tricarboxylic acid group containing molecules, at least one polyol and/or, in case of an unsaturated polyester imide, at least one imide having 5-membered cyclic imide moieties, B) 0.1 to 80 wt % of at least one inorganic and/or organic-inorganic hybrid component having functionalities to react with component A) and C), C) 2 to 80 wt % of at least one monomeric and/or oligomeric unsaturated component to react with component A) and B), and D) 0 to 15 wt % of customary additives, the wt % being based on the total weight of the composition. The composition provides excellent thermal transfer properties and a high level of electrical insulation properties with excellent adhesion and thermal stability.

Abstract: A method and apparatus for forming a high conductance, high aspect ratio structure in a single low temperature copper chemical vapor deposition step. A trench for a winding of a coil is formed by forming a first length of the trench in the insulation layer. The first length of the trench forms a first portion of the winding of the coil in a confined area proximate a yoke region. A second length of trench is formed in the insulation layer extending away from the first length of the trench and the yoke region. The second length of trench includes parallel trenches for forming a second portion of the winding in a nonconfined area. A metal is deposited into the first length of the trench and the second length of the trench to form the first and second portions of the winding of the coil.