Importance

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Abstract

A heat sink and transistor retaining assembly for installation onto a printed circuit board. The assembly has a thermally conductive base plate forming a heat sink adapted to be disposed adjacent to the board, a first electric insulator attached to the base plate, a plurality of transistors positioned at predetermined positions against the first electric insulator so as to be electrically insulated from the base plate, a second electric insulator adjacent to the transistors with the transistors sandwiched between the insulators, and a resilient clamp attached to the base plate with the electric insulators and transistors positioned therebetween. The clamp has a plurality of retaining fingers that exert a retaining force on the transistors between the first and second insulators to retain the transistors in predetermined positions relative to the board. The assembly is secured together as a unit after its several components have been positioned in a fixture that supports and retains the component in predetermined positions.

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First Claim