Patent ID: 6038129
Filing Date: 2000-03-14
Classification: B22C,H04B,H05K

Abstract:
Electronic apparatus having a heat dissipative external enclosure, the external enclosure comprising:a plurality of containment walls, from at least one of which depend fins having a length extending vertically defining channels therebetween;a thickness of the external enclosure between external surfaces of opposed containment walls, the thickness varying between a relatively thin portion and a relatively thick portion to provide an interior space having a relatively narrow portion and a relatively wide portion to accommodate components or units of corresponding different extent;the fins having outer edges, spaced from one of the containment wall, and having plain first opposed surfaces adjacent their outer edges, said first surfaces including a first angle therebetween, and the fins or parts of the fins adjacent the relatively thin portion of the enclosure also having plain second opposed surfaces, said second surfaces including therebetween a second angle greater than the first angle.