Metal-cored printed circuit board for insertion into the...

Details Metal-cored printed circuit board for insertion into the... Metal-cored printed circuit board for insertion into the...

H - Electricity

05

K

H05K 1/05 (2006.01) H05K 3/00 (2006.01) H05K 7/14 (2006.01) H05K 7/20 (2006.01) H05K 1/00 (2006.01) H05K 1/02 (2006.01) H05K 1/14 (2006.01)

Patent

CA 2173591

A plate to be fitted with electronic components for insertion into the casing of an electronic device has a core of two spaced metal plates joined together by metal stiffening pins having a Cu-invar layer and a coating consisting of several layers of polyimide foil. To obtain great rigidity and good heat dissipation, the metal plates are made of Al or Al alloy and secured in casings by a cotter.

Une plaquette sur laquelle des composants électroniques doivent être implantés, et qui doit être insérée dans le boîtier d'un appareil électronique, comprend un noyau se composant de deux plaques de métal espacées, reliées l'une à l'autre par l'intermédiaire de nervures de rigidification et pourvues d'une couche en Cu-invar et d'une couche de recouvrement composée de plusieurs couches de film polyimide. Afin d'obtenir une bonne rigidité et une bonne dissipation de la chaleur, les plaques de métal sont en Al ou en alliage d'Al et sont maintenues dans les boîtiers à l'aide d'une clavette.

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