Abstract:
A module is electrically connectable to a computer system. The module includes at least one multilayer structure having a plurality of electrical contacts which are electrically connectable to the computer system. The module further includes a first printed circuit board coupled to the at least one multilayer structure. The first printed circuit board has a first surface and a first plurality of components mounted on the first surface. The first plurality of components is in electrical communication with the electrical contacts. The module further includes a second printed circuit board coupled to the at least one multilayer structure. The second printed circuit board has a second surface and a second plurality of components mounted on the second surface. The second plurality of components is in electrical communication with the electrical contacts. The second surface of the second printed circuit board faces the first surface of the first printed circuit board. The module further includes at least one thermally conductive layer positioned between the first plurality of components and the second plurality of components. The at least one thermally conductive layer is in thermal communication with the first plurality of components, the second plurality of components, and the electrical contacts.
Abstract:
An electronic controller having a circuit board with an element disposed thereon, a base member with the circuit board adhered thereon and a lead terminal in an electrical connection with the circuit board includes as the elements thick film resistors and electric components soldered by solder on a bottom side of the circuit board, and also includes electronic components including bare chips being at least wired without soldering on a top surface of the circuit board. The electronic controller has a first concave portion at a position corresponding to a position of the components on a surface that has the circuit board of the base member adhered thereon, and the circuit board is molded by a sealing resin so as to expose a portion of the base member and a portion of the lead terminal.
Abstract:
Heat from the core of a semiconductor chip package mounted on a printed circuit board assembled into0 a computer system is dissipated to both sides of the printed circuit board.
Abstract:
An electrical connection box includes a circuit substrate on which an electrical component is mounted, a case which is adapted to cover the circuit substrate, and a heat radiation member which is directly attached to the electrical component.
Abstract:
The semiconductor module includes a heat spreader, two semiconductors that include circuitry, a termination resistor, an array of electrical contact points, and a plurality of electrically conductive leads. The semiconductors are thermally coupled to the heat spreader. The terminator resistor is electrically coupled to the circuitry of at least one of the semiconductors. The array of electrical contact points are coupled to the heat spreader. The conductive leads are electrically connected to the semiconductors and the array of electrical contact points. At least one of the leads is common to both of the semiconductors.
Abstract:
The semiconductor module includes a heat spreader, first and second sets of two semiconductors that include circuitry and are thermally coupled to the heat spreader, first and second termination resistors, and first and second sets of electrically conductive leads. The first termination resistor is coupled to the circuitry at the first set of semiconductors, while the second termination resistor is coupled to the circuitry of the second set of semiconductors. The first set of leads connect to the first set of semiconductors and has at least one lead that is common to both of the semiconductors of the first set of semiconductors. The second set of leads connect to the second set of semiconductors and has at least one lead that is common to both of the semiconductors of the second set of semiconductors.
Abstract:
A circuit board arrangement includes a heat dissipater. A cooling body is arranged near a first circuit board and a second circuit board. Both circuit boards have electronic devices on two major surfaces. The cooling body is arranged between the electronic devices on one surface of the first circuit board and the electronic devices on one surface of the second circuit board. The circuit boards are supported by fixing elements of the cooling body.
Abstract:
A light emitting diode (LED) assembly with a vented printed circuit board is disclosed. A printed circuit board assembly may include a plurality of LED modules disposed in an array with a multilayered substrate and a plurality of vents. The multilayer substrate may include a thermal cooling layer which is in thermal communication with the LED modules for heat dissipation. The multilayer substrate may include one or more electrical power layers in electrical communication with the LED modules for energizing the LEDs. The multilayered substrate may have an external insulating layer that includes a plurality of fluid apertures configured for fluid communication with the thermal cooling layer.
Abstract:
A technique for manufacturing an electronic assembly includes a number of steps. Initially, a backplate with a cavity formed into a first side of the backplate is provided. Next, a substrate with a first side of an integrated circuit (IC) die mounted to a first side of the substrate is provided. The IC die is electrically connected to one or more of a plurality of electrically conductive traces formed on the first side of the substrate. The substrate includes a hole approximate an outer edge of the IC die. The first side of the substrate is then positioned in contact with at least a portion of the first side of the backplate. The IC die is positioned within the cavity with a second side of the IC die in thermal contact with the backplate. The substrate and at least a portion of the backplate are overmolded with an overmold material, which enters the cavity through the hold to substantially underfill the IC die and substantially fill an unoccupied portion of the cavity.
Abstract:
A circuit module is provided in which two secondary substrates or cards or the rigid portions of a rigid flex assembly are populated with integrated circuits (ICs). The secondary substrates are connected with flexible circuitry. One side of the flexible circuitry exhibits contacts adapted for connection to an edge connector. The flexible circuitry is wrapped about an edge of a preferably metallic substrate to dispose one of the two secondary substrates on a first side of the substrate and the other of the secondary substrates on the second side of the substrate.