Abstract:
A soldering nest provided in a bus bar, having an aperture for the introduction of a terminal lead (40) to be soldered thereinto, and the introduction of the terminal lead may be effected from a first surface plane of the bus bar (10) and soldering may be effected from a second, opposite surface plane of the bus bar (10). The aperture is formed by a conical bore (20) which is perpendicular or approximately perpendicular to the surface plane of the bus bar (10) and whose cone angle is at least 30?. The apex of the conical bore (20) is oriented toward the first surface plane of the bus bar (10), and the conical bore (20) terminates in a circular aperture (21) whose diameter is slightly greater than the diameter of the terminal lead (40).
Abstract:
A power feed device for an electrical component which improves the quality of transmission and reduces the mounting density of a printed circuit board in the power feed device or reduces the thickness of the printed circuit board and thereby realizes smaller size, provided with a power supply for supplying power, a printed circuit board having built-in signal line patterns, and a power bar having conductive projections provided in shapes and at positions corresponding to the shapes and positions of electrodes of the electrical component and provided outside of the printed circuit board, power from the power supply being supplied through the conductive projections of the power bar to electrodes of the electrical component.
Abstract:
An electrical device storage unit includes a separation wall having a convex portion and a concave portion; a control unit having a printed circuit board whose front surface and back surface are mounted with an electronic component; an adhesive for joining the convex portion and the printed circuit board; and an electrical device that is electrically connected with the control unit by a conductor and arranged opposite the control unit with the separation wall disposed therebetween, wherein the conductor is provided passing through the separation wall and the printed circuit board, and an end of the conductor is soldered to the printed circuit board.
Abstract:
An electronic control unit includes a circuit board, a case, and a group of a plurality of bus bars fixed to the case by insert molding. The bus bars each include a terminal portion having a constant-width portion, and a base portion which is wider than the constant-width portion. The base portions of the respective bus bars are arranged parallel to each other in the width direction thereof. Each bus bar is bent at a bent portion of its base portion. The terminal portion of each bus bar extends through the circuit board and is soldered to and electrically connected to a terminal connecting portion of an electrical circuit on the circuit board at a soldered portion. The bent portions of alternate bus bars are offset from the bent portions of the other bus bars in the longitudinal direction of the bus bars, whereby the soldered portions of the respective terminal portions are arranged in a staggered manner.
Abstract:
This invention prevents a deterioration of efficiency of a power supply apparatus due to a semiconductor power supply voltage drop, prevents an increase in wasted power, and prevents erroneous operations due to feeder wire voltage drop.In the mounting structure of electronic circuits having a plurality of busbars as current paths on a printed circuit board, the plurality of busbars have almost parallel portions spaced a predetermined distance apart; a span of the parallel portions of the plurality of busbars is greater than the predetermined distance; and in the parallel portions of the plurality of busbars, the plurality of busbars are connected by a wiring pattern. In the switching power supply apparatus built on a printed circuit board, with its output voltage of less than 2 V and its output current of more than 100 A, a means is provided for making the power efficiency higher than 70%.
Abstract:
An apparatus for coupling an integrated circuit (IC) package to a printed circuit board. The apparatus includes an interposer an interposer having a plurality of connections suitable for surface mounting on corresponding pads of a printed circuit board (PCB). The plurality of connections is arranged in a grid array. The interposer further includes a plurality of plated through holes. The apparatus further includes a substrate having a plurality of pins. The substrate is coupled to the interposer by inserting each of the plurality of pins into a corresponding one of the plurality of plated through holes of the interposer. An IC package including an IC is mounted on the substrate.
Abstract:
A printed circuit board having fuse housings that is mounted in an electric junction box for a vehicle, includes a fuse case that has fuse housings provided in a plurality of parallel tiers; output terminals that are formed of L-shaped terminals connected to and projecting from a printed conductor of the printed circuit board, and that project inside each of the fuse housing tiers; input terminals that are formed of L-shaped terminals branching from bus bars, and that project inside at least one of the fuse housing tiers; and a base that is mounted on a rear surface side of the fuse case and that holds the input and output terminals that are passed through the base.
Abstract:
A printed board includes a printed board body having a first side, a second side opposing the first side, and a through-hole; a printed conductor disposed on the first side of the printed board body; and a bus bar disposed on the second side of the printed board body, the bus bar including a terminal that extends through the through-hole. The terminal includes a plurality of branched terminal portions at a position corresponding to an interior of the through-hole, and at least one of the branched terminal portions is bent and attached to the printed conductor.
Abstract:
An electronic apparatus include a housing, a circuit board held in the housing, and large electronic components held in the housing and electrically coupled to the circuit board. The housing has a mounting surface, and the electronic apparatus is mounted to an object at the mounting surface. The large electronic components are arranged in a three-dimensional manner with respect to the mounting surface in such a manner that at least one of the large electronic components overlaps at least one of the large electronic components in a direction toward the mounting surface.
Abstract:
A built-in capacitor type power feed device for an electrical component which solves the problems of the reduction in the noise margin of the power supply system accompanying the lower drive voltages of electrical components and the noise between the power supply and ground accompanying simultaneous switching waveforms, provided with a power supply for supplying power, a printed circuit board including a signal line pattern, a power bar having conductive projections provided in shapes and at positions corresponding to the shapes and positions of electrodes of the electrical component and provided outside of the printed circuit board, a ground bar provided outside of the printed circuit board, and a high dielectric layer provided at a part corresponding to the electrical component between the power bar and the ground bar, power from the power supply being fed to electrodes of the electrical component through the power bar and the ground bar.