Abstract: A method of manufacturing a capacitor-embedded printed circuit board that includes fabricating a capacitor substrate having at least one inner electrode formed on one side of a dielectric layer; aligning a semi-cured insulation layer with one side of a core layer, and aligning the capacitor substrate with the semi-cured insulation layer such that the inner electrode faces the semi-cured insulation layer; and collectively stacking the core layer, the semi-cured insulation layer, and the capacitor substrate.

Abstract: A method for making a wound stator of an automotive generator is provided for replacing the conventional winding technique. The method includes: forming a stator ring provided with a plurality of annularly arranged radial through slots; cutting a copper wire into a plurality of wire units each having a rectangular cross section; inserting the wire units into the through slots in an interlacing manner; and soldering wire ends of the wire units sequentially so as to form a connected loop.

Abstract: A permanent magnet rotor for an electrical generator includes a rotor shaft and a rotor core mounted coaxially upon the rotor shaft. The rotor core defines a plurality of longitudinal core passages which include a segment of a rotor cooling circuit, and further includes a permanent magnet outer core component mounted on an inner core component and including a plurality of permanent magnets. A cooling liquid containment mechanism for the permanent magnet rotor includes a first liquid containment cover coupled to the inner core component and a second liquid containment cover coupled to the inner core component. The liquid containment covers are configured to contain cooling liquid passed from an inlet segment of the rotor cooling circuit defined by the rotor shaft into the plurality of longitudinal core passages, and thenceforth into an outlet segment of the rotor cooling circuit also defined by the rotor shaft.

Abstract: An apparatus for loading stator windings into a stator core includes an arbor member including a body having an outer diametric portion and a central axis. The outer diametric potion includes a plurality of slots. The apparatus also includes a guide track having a first end that extends to a second end through a slide portion. The first end is positioned adjacent the outer diametric portion of the arbor member. At least one of the guide track and the arbor member is selectively positionable to guide slot segment portions of a stator winding into predetermined ones of the plurality of slots.

Abstract: In a shielded cable braid-cutting apparatus 10, a pair of braid-spreading claws 32 and 33 beat an outer periphery of a braid 44 to spread the braid 44 into a larger diameter, and then the braid 44 is cut. In the shielded cable braid-cutting apparatus 10, each of the pair of braid-spreading claws 32 and 33 has a recess portion 74 of a generally recumbent V-shape, and the braid-spreading claws 32 and 33 are slid radially of the braid 44 so as to cause the recess portions 74 of the braid-spreading claws 32 and 33 to beat four portions 44A of the outer periphery of the braid 44, thereby spreading the braid 44 into a larger diameter.

Abstract: A BLDC electric motor assembly (24) includes a rotor (42) having a plurality of magnet segments (50) securely retained thereabout by an annular ring (68) which is shrunk in situ in an electromagnetic forming operation. The magnet segments (50) are formed with tongues (62, 64) on their upper and lower ends (56, 58). One tongue (64) seats in a retaining pocket (48) molded on the rotor shaft (40), whereas the other tongue (62) provides a ledge into which the ring (68) seats. After the magnet forming operation, wherein the ring (68) is shrunk, the outer surface of the ring (68) is flush with the outer surfaces (54) of the magnet segments (50).

Abstract: A apparatus for mounting an interposer PCA into a chassis is disclosed. The apparatus comprises a bracket attached to the PCA. A geared handle is rotatably attached to one end of the bracket. The geared handle is configured to rotate between an open position and a closed position. Two geared segments are rotatably attached to the opposite end of the bracket and are meshed with the geared handle. A slot is formed in each geared segment and two slots are formed in the geared handle. The slots engage with insertion/ejection flanges on the chassis. The engaged slots force the PCA down into mating connectors in the chassis when the handle is rotated from the open position to the closed position.

Abstract: The invention includes: applying an anisotropic conductive resin including conductive particles only to a plurality of bumps of an electronic component; placing the electronic component above a main surface of a flexible wiring board via the anisotropic conductive resin; and pressurizing the electronic component to the wiring board and curing the anisotropic conductive resin applied to the plurality of bumps to join the plurality of bumps to the electrodes of the wiring board. This can prevent a defective mounting of the electronic component.

Abstract: A method for manufacturing a laminated core includes (1) blanking a rotor core sheet 15 and a stator core sheet 14 from a thin strip material 27 and (2) laminating the stator core sheet 14 inside a die. The stator core sheet 14 includes a ring-shaped yoke piece 18 and plural magnetic pole pieces 19 integrally connecting to a radially inside of the yoke piece 18. Each of the magnetic pole pieces 19 includes a magnetic pole shaft piece 20 and a magnetic pole tooth piece 21. The magnetic pole pieces 19 are formed by blanking preparatory slots 29; coining a part or a whole of the magnetic pole shaft pieces 20 to elongate the same in a radially inward direction; and thereafter, blanking the finishing slots 30 and shaping the magnetic pole tooth pieces 21.

Abstract: A method of fabricating an ultra-high frequency module is disclosed. The method includes providing a top layer; drilling the top layer; milling the top layer; providing a bottom; milling the bottom layer to define a bottom layer cavity; aligning the top layer and the bottom layer; and adhering the top layer to the bottom layer. The present invention also includes an ultra-high frequency module operating at ultra-high speeds having a top layer, the top layer defining a top layer cavity; a bottom layer, the bottom layer defining a bottom layer cavity; and an adhesive adhering both the top layer to the bottom layer, wherein the top layer and the bottom layer are formed from a large area panel of a printed circuit board.

Abstract: Disclosed is a method for manufacturing an RF device. The method comprises the steps of (a) forming a metal sheet where interior structure of the RF device is formed; (b) attaching a plastic material housing to the formed metal sheet; and (c) performing silver plating on the RF device on which the plastic material housing is attached.

Abstract: A pick-up jig is adapted to be dismountably mounted to an electronic component which has two buckling blocks. The pick-up jig includes a pick-up board and two buckling arms. The pick-up board is against a top of the electronic component. The pick-up board has a flat top surface for the convenience of the pick-up jig being picked up by a SMT machine. The two buckling arms perpendicularly extend downward from two opposite ends of a bottom surface of the pick-up board. An inside of each of the buckling arms protrude inward to form two blocking pillars spaced from each other to define a fastening groove therebetween. A buckling hook is protruded at a bottom of the buckling arm. The buckling blocks slide over the corresponding buckling hooks to be buckled in the corresponding fastening grooves and the buckling hook grappling a bottom of the corresponding buckling block.

Abstract: A method of loading stator windings into a stator core includes guiding a first stator winding including a plurality of slot segment portions along at least one guide track towards an arbor member having a plurality of slots, inserting one of the plurality of slot segment portions of the first stator winding into one of the plurality of slots, and guiding a second stator winding including a plurality of slot segment portions along the at least one guide track towards the arbor member. The method also includes indexing one of the at least one guide track and the arbor member to position another of the plurality of slots adjacent the at least one guide track, inserting one of the plurality of slot segment portions of the second stator winding into another of the plurality of slots, rotating the arbor member, and feeding a plurality of slot segment portions into remaining ones of the plurality of slots.

Abstract: Methods for fabricating a balance ring for a vehicular electric machine are provided. In one embodiment, the method includes the steps of providing a first metal layer having a first planar surface, providing a second metal layer having a second planar surface, cladding the second planar surface to the first planar surface to form a composite structure, and removing a portion of the composite structure to form an annular ring.

Abstract: An apparatus for applying solder to semiconductor chips is provided that employs a plurality of apertured decals to define areas for engaging solder on a semiconductor chip. Each of the plurality of decals includes an upper, center and bottom layer having apertures present therethrough. The apparatus fills the apertures with solder. The upper and bottom layers of the apertured decals are removed to provide solder portions projecting from the center layer. The apparatus provides a station for applying an adhesive layer to the exposed surfaces of the center layer having the solder portions projecting therefrom. The apparatus includes a station for contacting the solder and adhesive to the semiconductor chip. The apparatus also includes a separating structure for detaching the portion of the center layer that is in contacting to the semiconductor chip through the solder.

Abstract: A powder compaction press having opposed rib and channel punches which are interleaved and a production method are used to produce capacitor elements having a uniform compaction density and which are free of surface imperfections.

Abstract: An axial gap EDM deploys as a stator coils a series of two parallel serpentine windings that each circumscribe an arc segment of a circle. Each arc segment that forms the stator winding assembly is powered as a separate phase. The two winding are readily formed by shaping one or more wire segment. Preferably the parallel winding are arranged to overlap with a half period rotational offset such that the radial directed serpentine segments of that are disposed above and below the stator disk are interlaced when viewed in projection through the disk. In one embodiment, each series of serpentine winding are separated by a gap so that they can be inserted on the stator disk from the edge. A separate rotor disk is adjacent each side of this stator disk. In another embodiment, each series of serpentine winding are separated by a gap, so they can be inserted to surround a single rotor disk which has two series of magnets disposed on opposite sides.

Abstract: The present invention is directed to methods for forming an inverter circuit for operating a drive motor of an electric vehicle, which can more effectively reduce the switching noise generated by a power module during the operation of an inverter.

Abstract: An stator manufacturing apparatus including an substantially cylindrically-shaped insertion jig from which the rectangular wire is axially detachable, and having protrusions respectively provided at positions aligned with the slots on an outer peripheral surface thereof to protrude radially, and one end-side restricting members respectively provided at positions offset from the protrusions formed in the circumferential direction on an inner diameter side of an inscribed circle of teeth each located between adjacent ones of the slots so as to protrude toward one axial end side. With the linear portions and the slots being aligned with each other, the insertion jig is inserted into the stator core from the one end side of the insertion jig, and is removed from the stator core toward the other end side, so as to respectively dispose the linear portions at predetermined positions in the slots.

Abstract: A tool for installing compression connectors of various sizes and types on the end of a coaxial cable has a base mounting a pair of movable anvils for engaging two different lengths of connectors. A slidably mounted plunger cooperates with the anvils to compress a connector. The plunger has a push head, an adjustment knob and a slide rod. The push head and adjustment knob are movable relative to one another and have first and second end faces with different outside diameters. An end face with the appropriate diameter for a particular connector can be placed in an operative position where it will engage a connector.