Heat-dissipating device and its manufacturing process

Details Heat-dissipating device and its manufacturing process Heat-dissipating device and its manufacturing process

2008-07-22

2008-07-22

Kerns, Kevin P (Department: 1793)

Metal founding

Process

Shaping liquid metal against a forming surface

C164S137000, C164S339000

Reexamination Certificate

active

07401638

ABSTRACT:
A heat-dissipating device and its manufacturing process are provided for significantly increasing the number and size of blades so as to enhance the heat-dissipating performance. The heat-dissipating device has a plurality of blades arranged around the hub of the heat-dissipating device and there is an overlapped region formed between every two adjacent blades. A single mold is used to manufacture such a heat-dissipating device so that not only can the manufacturing cost be reduced but it can significantly increase the number and size of blades so as to increase the heat-dissipating efficiency.

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