Patent classifications
H05K1/16
MULTILAYER BOARD AND METHOD OF MANUFACTURING THE SAME
A multilayer board includes thermoplastic resin layers laminated together, a first-class conductor pattern including a conductor foil on a first surface of one of the thermoplastic resin layers, a second-class conductor pattern in contact with a second surface of the one of the thermoplastic resin layers, and an interlayer connection conductor in the one of the thermoplastic resin layers and including a first end surface connected to the first-class conductor pattern and a second end surface connected to a second-class conductor pattern. The second-class conductor pattern and the first interlayer connection conductor include a conductor of a single material including a resin, or a conductor of a single material including a metal with a melting point lower than that of the conductor foil.
STATOR AND ROTOR DESIGN FOR PERIODIC TORQUE REQUIREMENTS
Disclosed is a motor or generator comprises a rotor and a stator, wherein the rotor has an axis of rotation and is configured to generate first magnetic flux parallel to the axis of rotation, the stator is configured to generate second magnetic flux parallel to the axis of rotation, and at least one of the rotor or the stator is configured to generate a magnetic flux profile that is non-uniformly distributed about the axis of rotation. Also disclosed is a method that involves arranging one or more magnetic flux producing windings of a stator non-uniformly about an axis of rotation of a rotor of an axial flux motor or generator.
Electronic component
An electronic component includes: an ESD discharge member including a substrate having first and second surfaces opposing each other, first and second through-holes penetrating through the substrate, and first and second conductors; and a multilayer capacitor disposed on the first surface of the substrate, in which the multilayer capacitor may include: a capacitor body; and first and second external electrodes disposed outside the capacitor body and connected to the first and second conductors, respectively, and the first and second conductors may include first and second via electrodes coated on inner walls of the first and second through-holes, respectively.
GLASS CORE WIRING SUBSTRATE INCORPORATING HIGH-FREQUENCY FILTER, HIGH-FREQUENCY MODULE USING THE SAME, AND METHOD OF MANUFACTURING GLASS CORE WIRING SUBSTRATE INCORPORATING HIGH-FREQUENCY FILTER
A glass core wiring substrate incorporating a high-frequency filter having good high-frequency characteristics as a core material and allowing a more efficient arrangement of a conductor in the glass substrate, a module including the same, and a method of manufacturing the glass core wiring substrate incorporating a high-frequency filter. A conductive layer in a glass through a hole in a glass core substrate has a structure in which a hollow cylindrical conductor layer on a side wall of the glass through hole is connected to a cover conductor layer covering one of two openings of the glass through hole. To achieve such a structure, a carrier is attached to one surface of the glass core substrate to cover one of the openings of the glass through hole, and the carrier is peeled off and removed after lamination of the conductor.
Printed circuit board
A printed circuit board includes a first insulating layer having a through hole, and a via disposed to fill the through hole and to be extended to at least one surface of the first insulating layer, wherein the via includes a plating layer having an inner wall part disposed on an inner wall of the through hole and a land part extended from the inner wall part and disposed on the at least one surface of the first insulating layer, and a metal paste layer including metal particles, and filled in the rest of the through hole and disposed on the plating layer.
RF receive coil circuit for MRI systems
An apparatus and method for receiving a magnetic resonance (MR) signal for imaging a patient. The MR signal includes a MR frequency. A radio frequency (RF) coil has first and second end portions. An impedance converter is in electrical communication with the RF coil. A preamplifier in electrical communication with the impedance converter, the preamplifier having a gain. At least one resonant circuit electrically connected to at least one end portion of the RF coil.
PRINTED CIRCUIT BOARD MODULE
A printed circuit board module comprises: a first printed circuit board; a second printed circuit board arranged on one surface of the first printed circuit board; a third printed circuit board arranged on the other surface of the first printed circuit board; and a core passing through the first printed circuit board to the third printed circuit board, wherein the second printed circuit board includes a first coil, the third printed circuit board includes a second coil, and the cross-sectional area of the second printed circuit board and the third printed circuit board is less than the cross-sectional area of the first printed circuit board.
Multilayer electronic device including a high precision inductor
A multilayer electronic device may include a plurality of dielectric layers and a signal path having an input and an output. An inductor may include a conductive layer formed on one of the plurality of dielectric layers and may be electrically connected at a first location with the signal path and electrically connected at a second location with at least one of the signal path or a ground. The inductor may include an outer perimeter that includes a first straight edge facing outward in a first direction and a second straight edge parallel to the first straight edge and facing outward in the first direction. The second straight edge may be offset from the first straight edge by an offset distance that is less than about 500 microns and less than about 90% of a first width of the inductor in the first direction at the first straight edge.
MULTILAYER CERAMIC CAPACITOR AND BOARD HAVING THE SAME
A multilayer ceramic capacitor may include: a ceramic body including a plurality of dielectric layers; first and second internal electrodes disposed in the ceramic body, the first internal electrode having first and second lead portions exposed to a first surface of the ceramic body in a width direction, and the second internal electrode having a third lead portion exposed to the first surface of the ceramic body in the width direction; first to third external electrodes disposed on the first surface of the ceramic body in the width direction to be connected to the first to third lead portions, respectively; and an insulation layer disposed on the first surface of the ceramic body in the width direction. Each of the first and second lead portions may be spaced apart from the third lead portion by a predetermined distance.
METHOD OF MAKING AN ELECTRONIC DEVICE HAVING A THIN FILM RESISTOR FORMED ON AN LCP SOLDER MASK AND RELATED DEVICES
A method of making an electronic device may include forming at least one circuit layer that includes solder pads on a substrate and forming at least one liquid crystal polymer (LCP) solder mask having mask openings therein. The method may also include forming at least one thin film resistor on the LCP solder mask and coupling the at least one LCP solder mask to the substrate so that the at least one thin film resistor is coupled to the at least one circuit layer and so that the solder pads are aligned with the mask openings.