Patent ID: 8291590

Claim:
A method for assembling a fins-type heat sink, comprising the steps of: (a) providing a heat sink ( 1 ), a presser ( 13 ) and a plurality of caps ( 14 ), the heat sink ( 1 ) having a heat pipe ( 11 ) and a plurality of fins ( 12 ) disposed on the heat pipe ( 11 ), the presser ( 13 ) being provided with through-holes ( 130 ) allowing the distal ends of the heat pipe ( 11 ) to be inserted therein, a periphery of each through-hole ( 130 ) being provided with an annular neck ( 131 ), the presser ( 13 ) being provided with notches ( 132 ) that are arranged circumferentially outside the annular neck ( 131 ); (b) covering the caps ( 14 ) on the annular necks ( 131 ) of the presser ( 13 ) respectively, each caps ( 14 ) extending downwards to form protruding flaps ( 140 ) penetrating the notches ( 132 ); (c) disposing a plate-like die ( 2 ) on the topmost fin ( 12 ) of the heat sink ( 1 ); and (d) inserting a distal end of the heat pipe ( 11 ) through the through-hole ( 130 ) of the presser ( 13 ) to abut inside the cap ( 14 ), while folding the flaps ( 140 ) outwards via the plate-like die ( 2 ).