Cooling apparatus for integrated circuit

Details Cooling apparatus for integrated circuit Cooling apparatus for integrated circuit

2005-06-14

2005-06-14

Jackson, Stephen W. (Department: 2836)

Electricity: electrical systems and devices

Safety and protection of systems and devices

Circuit interruption by thermal sensing

C361S051000, C361S106000

Reexamination Certificate

active

06906901

ABSTRACT:
A cooling apparatus for an integrated circuit. The cooling apparatus comprises cooling fan means, a control circuit and heat pipe means. The control circuit determines a spinning speed of the cooling fan and an operation performance mode of the integrated circuit according to the load and the temperature of the integrated circuit, the ambient temperature and a reference temperature. Within a tolerable range of the output of adder means, the heating pipe means continues dispelling heat of the integrated circuit without turning on the cooling fan. While the output of the adder means exceed the tolerable range, the fan is turned on to enforce the heat dissipation.

REFERENCES:
patent: 4842431 (1989-06-01), Katsukawa
patent: 6043980 (2000-03-01), Katsui

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