Heat Sink

1. Heat sink 1 . 1 : Perspective 1 . 2 : Front 1 . 3 : Back 1 . 4 : Top 1 . 5 : Bottom 1 . 6 : Left 1 . 7 : Right 1 . 8 : Reference 1 . 9 : Enlarged reference Figs. 1 . 8 and 1 . 9 are reference views showing the state in use and forms no part of the claiming design; A plurality of fins are lined up at a constant pitch in each row; It is seen in Fig. 1 . 8 that the odd-numbered fin groups and the even-numbered fin groups are arranged so as to be offset from each other by half a pitch; It is seen in Fig. 1 . 9 that multiple fins are arranged in a staggered manner.