Patent ID: 7581583
Filing Date: 2009-09-01
Classification: H01L

Abstract:
1. A heat dissipating device comprising: a heat sink comprising a base, and a plurality of fins formed on a top surface of the base, a passage being formed between the fins and having an inlet for entering of an airflow; and an adjusting member comprising a mounting portion mounted to a side surface of the base near the inlet, a first air-blocking portion connected to an upper portion of the mounting portion, and a second air-blocking portion connected to a lower portion of the mounting portion, wherein the first air-blocking portion and the second air-blocking portion are capable of being rotated relative to the mounting portion, a position of the first air-blocking portion and a position of the second air-blocking portion relative to the base are adjustable for adjusting distribution of the airflow on top and bottom sides of the base; wherein each of the first air-blocking portion and the second air-blocking portion is connected with the mounting portion with a torsion spring.