Abstract:
A circuit board according to an embodiment includes: an insulating layer; and a circuit pattern layer disposed on the insulating layer and formed of an alloy, wherein the alloy includes: a first metal having a content in a range of 60 wt % to 80 wt %; a second metal having a content in a range of 10 wt % to 22 wt %; and a third metal having a content in a range of 3 wt % to 20 wt %; wherein the first metal includes any one of nickel (Ni) and iron (Fe), wherein the second metal includes chromium (Cr), and wherein the third metal includes a metal different from the first metal among nickel (Ni) and iron (Fe).
Abstract:
A storage device includes a printed circuit board including a controller site, a first memory site, a second memory site, first conductive lines connected with the controller site, second conductive lines connected with the first memory site, and third conductive lines connected with the second memory site, a controller package provided on the controller site, a first nonvolatile memory package provided on the first memory site, a second nonvolatile memory package provided on the second memory site, and at least one resistor connecting at least one conductive line of the first conductive lines with at least one conductive line of the second conductive lines.
Abstract:
A circuit board includes: a substrate; a through hole formed in the substrate; and a connection terminal provided in the through hole; wherein the connection terminal includes a pedestal portion provided within the through hole and a pin which is provided at a center of the pedestal portion and extends from the pedestal portion toward a first surface of the substrate, so that a first end portion protrudes from the first surface.
Abstract:
A universal serial bus hybrid footprint design is described herein. The design includes an outer row of one or more surface mount technology (SMT) contacts and an inner row of one or more printed through holes (PTH). The hybrid footprint design enables a data through put of at least 10 Gbps.
Abstract:
An electromagnetic relay including a body, a plurality of first surface-mount terminals projecting from the body, and at least one second terminal projecting from the body. Each first terminal includes a distal end portion adapted to be mounted on a surface of a circuit board. The second terminal includes a distal end portion adapted to be inserted into a through-hole of a circuit board. The distal end portion of the second terminal is positioned farther away from the body than the distal end portion of the first terminal.
Abstract:
A transistor outline package is provided for a semiconductor integrated device suitable for use in a control module of an automobile for connection between a printed circuit board and a bus bar of such a module. The package includes a package housing, having a first end suitable for mounting to a PCB and which has a width. The package is also formed with a leadframe which includes a heat sink and ground plane blade suitable for connection to a bus bar, a plurality of connector leads suitable for connection to a PCB and at least one source tab lead suitable for connection to a module connector of such a control module. The plurality of connection leads and the source tab lead extend from the first end of the package housing side by side in the direction along and within the width of the first end of the package housing.
Abstract:
An integrated-circuit attachment structure comprises an integrated circuit and a package assembly. The package assembly includes a package containing the integrated circuit. The package has pins at its corners and a grid at least primarily of solder halls on its bottom face.
Abstract:
An electrical connector assembly includes a circuit board having vias each extending at least partially through the circuit board along parallel via axes and an electrical connector configured to be mounted on the circuit board. The electrical connector includes a plurality of variable depth signal terminals configured to extend different depths into respective vias of the circuit board. The signal terminals each have a terminal axis, and the signal terminals are arranged in pairs carrying differential pair signals. The signal terminals of each pair extend to the same depth in the respective vias of the circuit board. The terminal axes of the signal terminals of each pair are offset with respect to the corresponding via axes along a majority of the signal terminals within the vias.
Abstract:
A printed circuit board including: a semiconductor package; a board; first to fourth electrodes on a second face of the semiconductor package; fifth to eighth electrodes on a mount region of the board; a first conductor connecting the first electrode with the second electrode; a second conductor connecting the third electrode with the fourth electrode; a third conductor connecting the sixth electrode with the seventh electrode; fourth conductors respectively connecting to the fifth electrode and the eighth electrode; conductive bonding portions bonding each of the electrodes on the second face with corresponding one of the electrodes on the mount region; and a determination circuit connected to the fourth conductors and configured to determine a difference between a value of current supplied to one of the fourth conductors and a value of current received through the other fourth conductor.
Abstract:
A printed wiring board unit includes an electronic circuit component, a printed wiring board, a plurality of first conductive terminals disposed between the electronic circuit component and the printed wiring board, at least one of the first conductive terminals arranged along a quadrangular outline, and a plurality of second conductive terminals disposed between the electronic circuit component and the printed wiring board, the second conductive terminals arranged at a corner of the quadrangular outline, and the second conductive terminals contacting at least one of the printed wiring board and the electronic circuit component in a relatively displaceable manner.