Patent ID: 9475156
Filing Date: 2016-10-25
CPC Classification: B23P,H01L,Y10T

Claim Text:
1. A method of manufacturing heat-dissipation unit, comprising the steps of: providing a base having a plurality of grooves formed thereon, and each of the grooves having an open top and a closed bottom; providing a plurality of radiating fins, each of which having a heat-radiating zone and a bent zone perpendicular to the heat-radiating zone, and flatly positioning the bent zones on the open tops of the grooves; and applying a pressure onto the bent zones, so that the bent zones respectively form an assembling section recessed in the grooves to tightly fit therein, bringing the radiating fins to lock to the base; wherein the assembling sections are tightly fitted in the grooves through a mechanical process, and the mechanical process is stamping.