Patent ID: 6966361

Claim:
A bi-level heat sink comprising: a first base portion having a first side and a second side, said first side defining at least one open channel for receiving a portion of at least one heat pipe; a second base portion having a first side and a second side, said first side of said second base portion defining at least one open channel corresponding to said at least one open channel in said first base portion for receiving a corresponding portion of said at least one heat pipe; an offset located between said first base portion and said second base portion so that (i) said first side of said first base portion is lower than said first side of said second base portion and (ii) said second side of said first base portion is lower than said second side of said second base portion, said offset including a portion of said open channel defining an opening that exposes at least one of said at least one heat pipes; and at least one fin structure positioned upon said second sides of said first base portion and said second base portion.