A heat sink comprising a bottom plate and a plurality of fin groups on the bottom plate is disclosed, the plurality of the groups being spaced from one another, and aligned in a matrix form or arranged in a staggered pattern, and each of the group comprising a plurality of plane parallel plates...http://www.google.com.au/patents/US5726495?utm_source=gb-gplus-sharePatent US5726495 - Heat sink having good heat dissipating characteristics
