Patent ID: 7111666

Claim:
A heat sink assembly comprising: a heat pipe at least one heat sink fin including an opening; wherein said opening has a first area when said at least one heat sink fin is at a first temperature, and has a second area when said at least one heat sink fin is at a second temperature, wherein said first area is smaller than said second area when said first temperature is lower than said second temperature; and wherein said opening is configured such that said first area is slightly smaller than a cross-section of said heat pipe when said heat pipe is at said first temperature and said second area is larger than a cross-section of said heat pipe when said heat pipe is at said first temperature; and wherein said at least on heat sink fin forms a compression fit with said heat pipe when said heat sink fin is cooled to said first temperature, after said heat pipe has been inserted into said opening while said heat sink fin was at said second temperature.