Patent ID: 7126824
Filing Date: 2006-10-24
Classification: H01L

Abstract:
1. A combination comprising: a printed circuit board with an electronic component mounted thereon; a heat sink mounted on the electronic component, a pair of shoulders being provided on opposite sides of the heat sink; a retention member comprising a pair of pressing portions supported on the shoulders, and a pair of locking portions on opposite sides of each pressing portion, the locking portions spaced from the shoulders, each locking portion defining a locking opening therein; and a back plate mounted below the printed circuit board, the back plate comprising two pairs of posts extending through the printed circuit board and the heat sink to engage with the retention member in the locking openings; wherein the heat sink comprises a plurality of fins between the shoulders and the retention member surrounds the fins, and wherein the retention member comprises a pressing part in which the pressing portions are formed and a sliding part movably attached to the pressing part.