Low-stress-inducing omnidirectional heat sink

Details Low-stress-inducing omnidirectional heat sink Low-stress-inducing omnidirectional heat sink

H - Electricity

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356/113

H01L 23/34 (2006.01) H01L 23/367 (2006.01) H01L 23/40 (2006.01)

Patent

CA 1209719

-20- ABSTRACT OF THE DISCLOSURE LOW-STRESS-INDUCING OMNIDIRECTIONAL HEAT SINK Disclosed is a heat sink for cooling an integrated circuit package. The heat sink comprises a single thin sheet of material having two oppositely facing major surfaces. These two major surfaces have a common perimeter defining a plurality of spaced-apart finger-shaped portions of the thin sheet of material that extend radially from a central portion of the sheet. The central portion is flat for attachment to the integrated circuit package; and the finger-shaped portions are formed to extend out of the plane of the central portion to become cooling fins for the central portion.

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