Patent ID: 7497013

Claim:
A method of manufacturing a dual base plate heatsink, said method comprising: providing a plurality of heat-conducting fins, each of said fins with opposing ends; providing two opposing heat conducting base plates, each of said base plates comprising an inward facing surface with a plurality of elongate landing areas thereon, each of said landing areas separated by an elongate channel; inserting each of said ends of said fins into respective ones of said channels of each of said opposing base plates; placing a first portion of a swaging tool between said opposing base plates, said swaging tool comprising a series of elongate tines, said series of tines dimensioned to be disposed adjacent each of said fins, each of said tines increasing in height from said first portion to a second portion; while maintaining relative distance between said base plates, sliding said swaging tool adjacent said fins in a direction parallel to each said surface so that said second portion of each said tine increasingly applies pressure to a corresponding landing area, to increasingly swage each of said landing areas against each of said adjacent fins; whereby swaging of each said landing area secures each said fin to each of said base plates.