Patent ID: 6961243
Filing Date: 2005-11-01
Classification: H01L

Abstract:
1. A retaining apparatus for securing a heat sink in thermal coupling with a CPU, the retaining apparatus comprising: a press plate part having spring members and a central part, the central part being lower than the spring members; a hold bar part joined to the press plate part, the hold bar part having one or more hook legs extending downward and being releasably engageable with a CPU base; a retaining bar part disposed at a side of the press plate part opposite to the hold bar part; and one or more movable hook legs movably coupled to the retaining bar part, the movable hook legs extending downward and being releasably engageable with a CPU base; wherein when a heat sink is placed over a CPU base the retaining apparatus is installed by engaging the hook legs of the hold bar part and the movable hook legs of the retaining bar part with a CPU base, the press plate of the retaining apparatus presses against a central area of the heat sink and thereby secures the heat sink.