Abstract:
An electronic part-mounted substrate (1) includes a plate made of metal, an insulating material layer (4) which is formed of a ceramic material on a surface of the plate and which has a surface provided with a heat generating IC (5,6) thereon, and a thermal conductive member which is provided on a surface of IC. The heat, which is generated by IC (5,6) , is transmitted via the thermal conductive member (80) to the insulating material layer (4) and the plate, and the heat is dissipated to the outside. The heat generated by the electronic part can be dissipated more efficiently. The substrate is applicable to a liquid-jetting head.
Abstract:
A power semiconductor device package utilizes integral fluid conducting micro-channels (14), one or more inlet ports (38) for supplying liquid coolant to the micro-channels (14), and one or more outlet ports (40) for exhausting coolant that has passed through the micro-channels (14). The semiconductor device (10) is mounted on a single or multi-layer circuit board (44) having electrical and fluid interconnect features that mate with the electrical terminals (12a, 12b) and inlet and outlet ports (38, 40) of the device (10) to define a self-contained and self-sealed micro-channel heat exchanger.
Abstract:
The invention relates to an engine control circuit device which has higher heat resistance and can be installed in a place exposed to severe thermal environments. In an engine control circuit device comprising a circuit board (2) on which a plurality of packaged electronic parts (1) are mounted, and a connector (3) mounted on the circuit board for connection to an external circuit, the device further comprises a resin portion (4) formed of a thermo-setting resin and covering the connector (3) except for a connecting portion thereof and the circuit board (2), and a cooling pipe (5) integrally molded in the resin portion (4) and allowing a coolant to flow through it, thereby cooling the resin portion (4).
Abstract:
According to an embodiment of the present invention, a thermal management system for electronic components (102) includes a plastic coldplate (100) having a mounting surface for mounting one or more electronic components (102), one or more passageways configured to have a fluid flow therethrough disposed within the plastic coldplate (100), and a highly conductive material disposed within the plastic coldplate and thermally coupled to the mounting surface (102). The highly conductive material is operable to transfer heat from the mounting surface (102) to the fluid flow.
Abstract:
The apparatus includes a flexible printed wiring device (18) having a region sized to receive the electronic component (10) and a channel (28) disposed within the flexible printed wiring device. The channel has an inlet end (32) and an outlet end (34) and has an orifice (36) disposed therein. The inlet end receives a fluid, the fluid is distributed to the orifice via the channel and the orifice directs the fluid towards the region, so that the fluid is in direct contact with the electronic component when the electronic component is disposed in the region.
Abstract:
Afin de produire un microtamis déterminé ayant un grand nombre de passages de n'importe quelle forme voulue agencés de manière précise, on recouvre une feuille mince (2) en matière plastique d'une couche de matériau (2, 2') résistant à la morsure. On forme ensuite, par attaque, des évidements (4, 4') dans ladite couche (2, 2'), aux endroits où les passages doivent être formés. Pendant une autre étape du procédé, les passages (5) sont produits par un procédé d'attaque au plasma. En outre, on introduit des conduits (K, L) dans la couche de couverture (2, 2'), que ce soit sous forme de canaux (K) ou sous forme de pistes solides (L). On superpose plusieurs microtamis (S1, S2) afin de former un corps composite déterminé. Les couches superposées sont orientées en fonction des conduits (5, K, L), de sorte que ceux-ci soient réticulés dans les directions x, y et z. Des exemples d'application sont des diaphragmes de conduite de fluides, des multicouches conductrices d'électricité, des microsystèmes réticulés de guides d'ondes lumineuses.
Abstract:
Disclosed is a means for cooling heat generating components (14, 16) mounted on the front surface (12) of printed circuit boards. A conduit member (31) is attached to the back surface of the board to form a sealed plenum and to provide direction of cooling fluid toward the components. Holes (18) in the board establish cooling jets directed at the components from the plenum.