Abstract: In a method for manufacturing a powder magnetic core, magnetic layer green sheets is formed by using magnetic metal particles having an insulating oxide layer on a surface thereof, and insulating layer green sheets are formed by using insulating particles. The magnetic layer green sheet and the insulating layer green sheet are alternately laminated, and the layers are press molded.

Abstract: A filtered feedthrough assembly having at least one terminal pin therethrough is provided. The feedthrough assembly comprises a ferrule having a cavity therethrough for receiving the terminal pin, and insulating structure having an upper surface. The insulating structure is disposed within the cavity and around the terminal pin for electrically isolating the pin from the ferrule. A capacitor is disposed around the pin and electrically coupled thereto. The capacitor has a lower surface that is disposed proximate the upper surface, and at least one washer is disposed between the upper surface and the lower surface. To attach the capacitor to the insulating structure, a body of epoxy is substantially confined between the upper surface and the lower surface by the ferrule, the insulating structure, the capacitor, and the at least one washer.

Abstract: A stator bar installation fixture and method for installing stator bars into specific stator core slots within a stator core of rotating electrical equipment. The stator bar installation fixture includes rotating mechanisms, rotatingly fixed at each end of the rotating electrical equipment, for supporting and controlling an angular positioning of a stator bar insertion mechanism relative to the stator core. The stator bar insertion mechanism supports a stator bar within the stator core, angularly locates a stator bar in alignment with the specific stator core slot, and inserts the stator bar into the specific stator core slot.

Abstract: A method of manufacturing a laminated stator core includes: forming a band-shaped yoke core piece having a shape that a yoke of the laminated stator core is developed in a straight line and having concave connection portions in the inner circumferential edge thereof by punching a metal plate; forming a laminated yoke body by winding and laminating the band-shaped yoke core piece in a spiral shape and coupling the laminated band-shaped yoke core piece in a caulking manner; forming a magnetic core piece having a convex connection portion at the base end thereof by punching a metal plate; forming a laminated magnetic body by laminating and coupling a predetermined number of the magnetic core pieces to each other in a caulking manner; and coupling the laminated yoke body and the laminated magnetic body to each other by winding a coil around the laminated magnetic body and then inserting the convex connection portions into the concave connection portions.

Abstract: A multilayered electronic component that is easy to manufacture and that has excellent electrical characteristics includes end portions of coil wiring patterns that oppose a coil connection electrode that is displaced on the surface of a second ceramic layer due to an increase or decrease in the number of first ceramic layers. A coil connection electrode has a shape in which surface portions of second ceramic layers or opposed second ceramic layers having the first ceramic layers disposed in between are connected to the end portions of the coil wiring patterns that oppose the respective coil connection electrode, which are displaced due to the increase or decrease in the number of the first ceramic layers. A connection wiring pattern has a shape in which one portion of a coil connection electrode is connected to one portion of an external extension electrode connection pattern.

Abstract: A method comprising: a first process of placing a laminated rotor core in a preheating device to preheat the laminated core; a second process of removing the preheated laminated core from the preheating device and disposing the laminated core between upper and lower dies of a resin sealing apparatus; a third process of pressing the laminated core by the upper and lower dies and liquefying resin material in resin reservoir pots by heating; and a fourth process of ejecting the liquefied resin material from the pots into the magnet insertion holes by plungers inserted and moving vertically in the pots and thermally curing the resin material. The method improves efficiency of resin sealing the permanent magnets in the laminated core.

Abstract: A magnet rotor includes a drive arm with a rotary shaft and a hollow cylindrical-shaped permanent magnet bonded by a light curable resin. The drive arm is composed of a light transmitting resin, and the permanent magnet is an anisotropic magnet with an axis of easy magnetization. During fabrication, the light curable resin is applied to the rotary shaft, and a hollow portion of the magnet is fitted to the rotary shaft. While holding the magnet in a position where a direction of the axis of easy magnetization corresponds to a magnetic field direction, the drive arm is irradiated with light to cure the resin and bond the drive arm and the permanent magnet.

Abstract: The invention relates to a method for the manufacture of a sensor element and to a sensor element. In the method, both surfaces of a sensor film are provided with metallic electrodes. The sensor element is produced by cutting it from a larger amount of sensor element material. In the manufacture of the sensor element material, the electrodes are produced as a continuous process from roll to roll and the sensor element material is formed by laminating as a continuous process from roll to roll. At least the signal electrode consists of repeated electrode patterns (41) which are at least partially connected to each other via one or more narrow connecting strips (42), and a sensor element of a desired length and/or shape is produced by cutting the material across the region of the connecting strips.

Abstract: A progressive die assembly and a method for manufacturing lamina stacks from a plurality of separate strips of stock material. The die assembly includes a plurality of feed pathways for the material strips, each feed pathway having an associated punch set. Each punch set includes one or more punches for stamping lamina features in the strip, as well as at least one blanking punch for blanking individual laminas from the strips. The die assembly additionally includes a choke assembly which is adapted to receive laminas which are blanked from each of the material strips by the blanking punches.

Abstract: A method for making a rotor for a permanent magnet motor, the method, in at least certain aspects, including connecting a series of a plurality of guides to a hollow rotor body, the guides spaced-apart and extending longitudinally of the rotor body, the rotor body being generally cylindrical with an interior surface, applying a plurality of magnets to the interior surface of the rotor body, and emplacing a shunt structure over the plurality of magnets to inhibit inter-magnet action during rotor assembly.

Abstract: A laminated structure having an electrode hard to peel off and a method of manufacturing the laminated structure. The laminated structure has: a backing substrate; a lower electrode including an adhesive layer containing a metal oxide and a conductive layer formed on the backing substrate with the adhesive layer therebetween; a dielectric layer disposed on the lower electrode; and an upper electrode disposed on the dielectric layer. Further, the method includes the steps of: (a) disposing a lower electrode by forming a conductive layer on a backing substrate with an adhesive layer containing a metal oxide therebetween; (b) disposing a dielectric layer by spraying powder of a dielectric material to the lower electrode for deposition; (c) heat-treating the dielectric layer; and (d) forming an upper electrode on the dielectric layer before or after step (c).

Abstract: A method of manufacturing a core for an electrical machine. The method includes providing a planar sheet of magnetic material and creating first and second generally U-shaped laminations from the planar sheet. The first and second generally U-shaped laminations result from a pattern formed in the planar sheet. The pattern includes the first generally U-shaped lamination having a first leg and a second leg, and the second generally U-shaped lamination rotated one hundred-eighty degrees with respect to the first generally U-shaped lamination. The second generally U-shaped lamination includes a third leg and a fourth leg. The third leg is disposed between the first and second legs. The method further includes creating the core by stacking the first and second generally U-shaped laminations.

Abstract: A method of manufacturing a rotor magnet for a micro rotary electric machine is provided which includes steps of: a process in which a plurality of thick films, each of which is made of nanocomposite texture composed of ?Fe and R-TM-B where R is either 10 to 20 atomic % Nd or 10 to 20 atomic % Pr, B is 5 to 20 atomic % and TM is either Fe or partly Co-substituted Fe with 0 to atomic %, are formed into a laminated magnet including isotropic nano-crystalline texture which contains ?Fe and R2TM14B and which has a remanence, Mr, of 0.95 T or more; and a process where the laminated magnet is multi-polar magnetized in-plane of the thick films.

Abstract: A method comprising: a first process of placing a laminated rotor core (13) in a preheating device (18) to preheat the laminated core (13); a second process of removing the preheated laminated core (13) from the preheating device (18) and disposing the laminated core (13) between upper and lower dies (14, 15) of a resin sealing apparatus (29); a third process of pressing the laminated core (13) by the upper and lower dies (14, 15) and liquefying resin material (17) in resin reservoir pots (16) by heating; and a fourth process of ejecting the liquefied resin material (17) from the pots (16) into the magnet insertion holes (12) by plungers (32) inserted and moving vertically in the pots (16) and thermally curing the resin material (17). The method improves efficiency of resin sealing the permanent magnets (11) in the laminated core (13).

Abstract: The present invention provides an apparatus for the horizontal stacking of laminations 10 and donuts to form a stator core. A stator generator frame 2 has multiple keybars 6 that run the axial length of the frame. The laminations 10 have grooves 12 there-in that engage the keybars to provide a secure fit of the laminations to the generator frame. By extending two or more of the keybars 6, these extensions 7 may be used as rails on which the laminations may be horizontally inserted into the stator frame.

Abstract: A method of manufacturing a dry-type, resin-encapsulated transformer coil that includes forming a plurality of conductive layers and positioning a plurality of pre-formed plastic cooling ducts so as to be disposed between the conductive layers.

Abstract: Embodiments of the invention provide fabrication processes for the co-fabrication of microprobe arrays along with one or more space transformers wherein the fabrication processes include the forming and adhering of a plurality of layers to previously formed layers and wherein at least a portion of the plurality of layers are formed from at least one structural material and at least one sacrificial material that is at least in part released from the plurality of layers after formation and wherein the space transformer includes a plurality of interconnect elements that connect one side to the array of probes that has a first spacing to another side that has a second spacing where the second spacing is greater than the first spacing. In some embodiments, the fabrication process includes a plurality of electrodeposition operations.

Abstract: There is provided a stator in which a plurality of divided stators are annularly combined with each other, and each divided stator includes: a divided lamination iron core having teeth portion and a yoke portion, and constructed by laminating electromagnetic steel sheets divided by the teeth unit; insulating bodies provided at the divided lamination iron core; and concentrated winding wound around the divided lamination iron core through the insulating body. In this case, the divided lamination iron core is held by the insulating bodies and the concentrated winding.

Abstract: A method of manufacturing a sensor for in vivo applications includes the steps of providing two wafers of an electrically insulating material. A recess is formed in the first wafer, and a capacitor plate is formed in the recess of the first wafer. A second capacitor plate is formed in a corresponding region of the second wafer, and the two wafers are affixed to one another such that the first and second capacitor plates are arranged in parallel, spaced-apart relation.

Abstract: In a method or system for producing a helical stator, a stator core strip is provided having a base portion with spaced tangs extending from the base portion. The strip is driven in a feed direction toward a bending region. At the bending region the strip is bent with an outside pressure member positioned to apply pressure at an outside edge of the strip base portion and with an inside pressure wheel having a plurality of teeth. A backstop surface of the teeth contact an inside edge of the base portion between adjacent tangs to support the base portion as the strip is bent by the outside pressure member. A winding arbor receives the bent strip to collect multiple turns of the bent strip to form the helical stator.

Abstract: A method for producing a magnetically excitable core for an electrical machine, by which in a method step (S1), the core, having a substantially parallelepiped shape with slots extending parallel on one side, is furnished, into whose slots, in a method step (S2), the core winding is inserted by its winding sides, and then in a method step (S3), the core together with the core winding is reshaped into a cylindrical ring shape with radially inward-oriented slots, is proposed. The method is characterized by a further step, according to which in each case all winding sides that are inserted into each slot are pressed into a slot shape in a tool and reshaped before being inserted into the slot.

Abstract: A progressive die assembly and method for manufacturing lamina stacks from a strip of substantially planar material, in which at least some of the individual laminas are formed with portions which extend from, or are otherwise not within, the plane of the material strip. The die assembly includes die stations having punches for punching features substantially within the plane of the strip corresponding to individual laminas, such as lamina profiles and lamina interlock features. Additionally, the die assembly also includes at least one forming station which includes a selectively actuable forming tool which is configured to form a lamina portion in the strip which is disposed outwardly of the strip plane, such as by bending a portion of the strip.

Abstract: An electromagnetic component is formed from a pre-form comprising layers of soft magnetic metal ribbon. Adhesive is applied to permeate the pre-form and is then cured. The bonded pre-form is placed within a milling assembly that supports and constrains the ribbon layers during a milling operation used to process the pre-form into an electromagnetic component shape. Optionally, the shape is thermally processed. The resulting electromechanical component has attractive soft magnetic properties, including low core loss, that render it useful as a component in electric motors and generators and static inductive devices operable at high excitation frequencies.

Abstract: A method of producing a laminate-type piezoelectric element, wherein a ceramic laminated body therein is formed through an intermediate laminated body-forming step of forming an intermediate laminated body 100 by alternately laminating green sheets 110 that serve as the piezoelectric layers and the inner electrode layers 20, and a calcining step of forming the ceramic laminated body by calcining the intermediate laminated body 100. In the intermediate laminated body-forming step, an overlapped portion 108 and a non-overlapped portion 109 are formed in the intermediate laminated body 100, and voids 40 are formed, in advance, in at least part of the portion that becomes the non-overlapped portion 109. In the calcining step, relaxing layers including the voids 40 are formed.

Abstract: A method of manufacturing an ultrasonic sensor including a case, a piezoelectric element having first and second electrodes, and a conductive member having first and second conductive parts is disclosed. The method includes the steps of a) forming the conductive member by integrally forming the first and second conductive parts and a joining part that joins portions of the first and second conductive parts, b) mounting the piezoelectric element and the conductive member in the case so that the first conductive part is connected to the first electrode and the second conductive part is connected to the second electrode, and the joining part and the portions of the first and second conductive parts joined by the joining part are positioned outside of the case, c) supplying a filling material into the case, and d) removing the joining part after step c).

Abstract: A magnetic core portion 16, a residual base material portion 42, and a connecting portion 43 are formed by pressing from a base material 40. Notches 18A are formed at a peripheral edge of the magnetic core portion 16, which is bent in the direction of the plate thickness to form a temporary fixing portion 18. When base materials 40 are overlapped to cut the magnetic core portions 16 from the connecting portion 43, the magnetic core portions 16 are pressed in directions toward one another so that the temporary fixing portion 18 is filled between notches 18A in the other magnetic core portion 16, to fix temporarily the other magnetic core portions 16. Since the magnetic core portions 16 are temporarily and simultaneously fixed by pressing in a cutting step normally carried out, the magnetic core portions can be temporarily fixed with ease.

Abstract: An electric motor, transformer or inductor having a cooling system. A stack of laminations have apertures at least partially coincident with apertures of adjacent laminations. The apertures define straight or angled cooling-fluid passageways through the lamination stack. Gaps between the adjacent laminations are sealed by injecting a heat-cured sealant into the passageways, expelling excess sealant, and heat-curing the lamination stack. Manifold members adjoin opposite ends of the lamination stack, and each is configured with one or more cavities to act as a manifold to adjacent passageway ends. Complex manifold arrangements can create bidirectional flow in a variety of patterns.

Abstract: Saturation of nonlinear ferromagnetic core material for on-chip inductors for high current applications is significantly reduced by providing a core design wherein magnetic flux does not form a closed loop, but rather splits into multiple sub-fluxes that are directed to cancel each other. The design enables high on-chip inductance for high current power applications.

Abstract: A transformer and method of making includes first half primary and secondary windings as metallic circuits that are etched on a metallic cladding of a first liquid crystal polymer (LCP) sheet. Secondary windings are positioned in spaced relation to the primary windings. A second LCP sheet is applied over the first LCP sheet. Second half primary and secondary windings are etched as metallic circuits on a metallic cladding of a second LCP sheet. Respective first and second half primary windings are interconnected to each other and the first and second half secondary windings are connected to each other by conductive vias.

Abstract: An iron core built in a transformer, a rectifier, a stabilizer, a lamp, and others is disclosed. When the iron core is formed, an E-shaped iron core and a pair of ?-shaped iron cores, which are arranged on both sides of the E-shaped iron core, are simultaneously stamped from a sheet of silicon steel. A predetermined number of E-shaped iron cores and pairs of ?-shaped iron cores are assembled and laminated to form a laminated iron core. The iron core includes the E-shaped iron core having side legs symmetrically formed on both sides thereof and a center leg formed between the side legs and coupled to a bobbin around which a coil is wound, and the pair of ?-shaped iron cores each having a long leg formed corresponding to the side leg of the E-shaped iron core and a short leg formed corresponding to the center leg of the E-shaped iron core.

Abstract: In a method for manufacturing a powder magnetic core, magnetic layer green sheets is formed by using magnetic metal particles-having an insulating oxide layer on a surface thereof, and insulating layer green sheets are formed by using insulating particles. The magnetic layer green sheet and the insulating layer green sheet are alternately laminated, and the layers are press molded.

Abstract: An iron core includes an electromagnetic steel plate having a first region on the surface of which an insulating film is formed and a second region which is not covered with the insulating film and exposed, and a coating member which coats at least the second region. The second region is formed by removing the insulating film by machining.

Abstract: A laminated iron core includes a plurality of stacked iron core pieces punched out from a thin steel sheet material, each iron core piece including a plurality of slot holes for receiving coil windings. At least one electrically insulating sheet piece is stacked on an outer surface of a lowermost iron core piece. The electrically insulating sheet pieces include a spindle hole and a plurality of slot holes which have a substantially similar configuration to, but are smaller than, the slot holes of the iron core pieces whereby edges of slot holes of electrically insulating sheet pieces extend outwardly beyond edges of slot holes of iron core pieces. Burrs formed at edges of slot holes of iron core pieces are covered with edges of slot holes of electrically insulating sheet pieces so that a coil can be wound safely without directly contacting the burrs.

Abstract: A method for forming an armature for an electric motor includes securing a lamination stack having slots therein on an armature shaft. A commutator is secured on one end of the armature shaft. Magnet wires are wound in the slots in the lamination stack and ends of the magnet wires are secured to the commutator. Plastic is molded around the lamination stack, commutator and magnet wires. Excess plastic is machined off. The magnet wires can have a layer of heat activated adhesive that is activated when the plastic is molded. Slots in the lamination stack can include slot liners formed of thermally conductive plastic. A fan can be formed when the thermally conductive plastic is molded to encapsulate the magnet wires.

Abstract: A monolithic or essentially monolithic single layer capacitor with high structural strength and capacitance, a printed circuit board having the capacitor mounted thereon, and a method of making. Sheets of green-state ceramic dielectric material and glass/metal composite material are laminated together, diced into individual chips, and fired to sinter the glass and the ceramic together. The composite material contains an amount of metal sufficient to render the composite conductive whereby the composite may be used for one or both electrodes and for mounting the capacitor to the printed circuit board. Vertically-oriented surface mountable capacitors and hybrid capacitors are provided.

Abstract: In a magnetic sensor, a lower terminal layer, a magnetosensitive layer, and a cover film are simultaneously patterned into substantially the same size. The opposing surface of the lower terminal layer, which opposes the magnetosensitive film is substantially superposed on one opposing surface of the magnetosensitive film. The opposing surface of the upper terminal layer, which opposes the magnetosensitive film is formed into a shape smaller than and included in the other opposing surface of the magnetosensitive film. This implements a magnetic sensor which uses a CPP structure and is yet readily processible and which includes a substantially accurate fine CPP structure in accordance with a desired output.

Abstract: A magnetic core has at least two layers (3, 4) of a magnetic material, each layer having a longitudinal axis (L1, L2) and a magnetic preferential orientation (anisotropic direction) (k) at least approximately perpendicular to the longitudinal axis. In order to minimize the coercitive field strength and remanence and to achieve the highest possible quality it is provided that the different layers are oriented, independently of the orientation of the longitudinal axes, in such a way that the angles between the anisotropic directions (k) of directly adjacent layers are as minimal as possible.

Abstract: In a method for winding the stator of a multiphase electric motor a plurality of mutually spaced stator teeth are assigned to each phase, wherein all the teeth of the stator are wound without a break in the winding wire, and wherein the winding wire is taken via a contact-making element of a contact-making device before or after the winding of all the stator teeth assigned to a phase.

Abstract: A solid electrolyte body is placed on and fixed to an upper plate of a press jig such that a major surface (an upper surface) of the solid electrolyte body faces one major surface of a guide plate having a through-hole. The upper plate is rotated by a transfer mechanism to incline the solid electrolyte body in one direction, and the inclined solid electrolyte body is moved toward the other major surface of the guide plate such that a first edge of the solid electrolyte body protrudes from the through-hole. Then, a cutter is slid along the other major surface, so that the first edge is chamfered to form a first chamfered portion.

Abstract: A coil unit includes a planar coil, a printed circuit board that includes a planar coil placement section that receives the planar coil, a protective sheet that is provided on a transmission side of the planar coil and protects the planar coil, and a magnetic sheet that is provided on a non-transmission side of the planar coil. The planar coil is placed in the planar coil placement section and is electrically connected to the printed circuit board. The planar coil placement section has a shape that corresponds to an external shape of the planar coil.

Abstract: A three dimensional soft magnetic metal mass suitable for milling is formed wrapping soft magnetic metal ribbon into a three dimensional shape and then applying adhesive to the three dimensional shape. The adhesive permeates the three dimensional shape. The adhesive is then cured. If the soft magnetic metal mass is made as a toroid, then it could be processed into an electromechanical component. The electromechanical component would then be suitable for use in very high frequency electric motors.

Abstract: A method for constructing a permanent magnet assembly by using a non-magnetic frame between individual magnet segments to restrain the movement of the magnet segments. The frame restricts the movement of the magnets during assembly. The frame also provides an effective system for replacing magnets in the existing assembly.

Abstract: The present invention provides a method for the horizontal stacking of laminations 10 and donuts to form a stator core. A stator generator frame 2 has multiple keybars 6 that run the axial length of the frame. The laminations 10 have grooves 12 there-in that engage the keybars to provide a secure fit of the laminations to the generator frame. By extending two or more of the keybars 6, these extensions 7 may be used as rails on which the laminations may be horizontally inserted into the stator frame.

Abstract: A method of manufacturing a stator core for an inner rotor type of motor. The core back of the stator core in the motor has an arc shaped inner circumferential surface therein that is offset from the center thereof. The stator core is produced from a laminated body having a stator core, a chuck frame that is integral with and surrounds the stator core, and connector arms that connect the stator core and the chuck frame and integral therewith. After the windings are wound around the stator teeth, the stator core is cut from each connecting arm and the stator core is removed from the chuck frame.

Abstract: A stator for a motor includes a stator core, an insulator, and coils. The stator core includes an annular portion and teeth, which extend radially from the annular portion. The stator core is divided into core segments in the circumferential direction. Each core segment has an arcuate portion and one of the teeth, which extends from the arcuate portion. The insulator insulates each coil wound around one of the teeth from the stator core. The insulator includes coupling portions at positions corresponding to the circumferential ends of the arcuate portions. Each coupling portion couples the adjacent core segments to be rotatable relative to each other. The insulator facilitates manufacture of the stator.

Abstract: A method of forming a winding core for an electric motor includes providing a hollow jig having a guide, sliding plates, each having a guide and a central opening, onto the guide in the jig where the guides mate, and pressing a shaft into the central opening of the plates. The plates are then compressed to form a lamination and secured in compression by a lock nut on the shaft.

Abstract: A progressive die assembly and a method for manufacturing lamina stacks from a plurality of separate strips of stock material. The die assembly includes a plurality of feed pathways for the material strips, each feed pathway having an associated punch set. Each punch set includes one or more punches for stamping lamina features in the strip, as well as at least one blanking punch for blanking individual laminas from the strips. The die assembly additionally includes a choke assembly which is adapted to receive laminas which are blanked from each of the material strips by the blanking punches.

Abstract: Disclosed is a method of manufacturing a laminated polar anisotropic hybrid magnet, which includes separately mixing first permanent magnet powders having low magnetic properties and second permanent magnet powders having high magnetic properties with a thermoplastic resin to prepare first and second compound pellets, respectively, and firstly injecting the first compound pellets by use of a first injection mold, to prepare a polar anisotropic and anisotropic resin magnet, which is then placed into a second injection mold having an outer diameter lager than that of the first mold, followed by secondly injecting in a magnetic field together with the second compound pellets. The manufacturing method of the current invention is advantageous in terms of exhibition of higher magnetic properties of the laminated polar anisotropic hybrid magnet, and reduction of the use of expensive materials, thus generating economic benefits.

Abstract: A centering device for use with a cutting die in a mold. The die is supported by a sleeve, which rotates about the axis of the die. The device comprises at least two cavities formed on the side surface of the sleeve, which are spaced apart along a same circumference, and at least one wedge-like element that is fastened to the mold and can be alternatively engaged in one of said cavities of the sleeve, with a conical coupling, in order to lock the sleeve after a rotation of the same.

Abstract: An inductor comprises a substrate comprising a semiconductor material, a first dielectric layer over the substrate, a magnetic layer over the first dielectric layer, a second dielectric layer over the magnetic layer, and a conductor over the second dielectric layer.