Embedded thermistor for on-board thermal monitoring of electrica

Details Embedded thermistor for on-board thermal monitoring of electrica Embedded thermistor for on-board thermal monitoring of electrica

1996-01-18

1997-04-22

Beausoliel, Jr., Robert W.

Boots, shoes, and leggings

364557, G06F 1134

Patent

active

056235941

ABSTRACT:
A system and method for monitoring the temperature of a heat-producing electronic component located on a circuit board and a method of manufacturing therefor. The system includes: (1) an electrically-conductive trace of predetermined dimensions formed integrally with the circuit board, the trace having a temperature-dependent electrical property, a temperature of the electronic component affecting the electrical property and (2) an overtemperature detection circuit coupled to the trace for measuring the electrical property. The detection circuit provides, in response thereto, an overtemperature signal to thereby indicate that the temperature of the electronic component has exceeded a predetermined level. Preferably, the system is used to protect a microprocessor in a personal computer ("PC") from overheating.

REFERENCES:
patent: 4587595 (1986-05-01), Staples
patent: 4848090 (1989-07-01), Peters
patent: 5193912 (1993-03-01), Saunders
patent: 5257532 (1993-11-01), Hayakawa et al.
Sorin et al. "Enhanced Heat Transfer For Electronic Devices Operating Inside Enclosures" 1992 IEEE, pp. 95-96.
Gromoll "Advanced Micro Air-Cooling Systems for High Density Packaging" 1994 IEEE, pp. 53-58.
Brewster et al. "Thermal Analysis of a Substrate with Power Dissipation in the Vias" 1992 IEEE, pp. 667-674.

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