Conformal coating enhanced to provide heat detection

Details Conformal coating enhanced to provide heat detection Conformal coating enhanced to provide heat detection

2002-10-10

2009-11-17

Leja, Ronald W (Department: 2836)

Electricity: electrical systems and devices

Safety and protection of systems and devices

Circuit interruption by thermal sensing

C340S632000

Reexamination Certificate

active

07619867

ABSTRACT:
Disclosed is an enhanced conformal coating, a process for making the same, and several computer related applications. A commercially available conformal coating is combined with a commercially available blowing agent (sometimes called a “foaming agent”) to create an enhanced conformal coating. The formulation of the enhanced coating is such that it will emit a particular gas when heated to a particular temperature. The enhanced coating is then applied to an object to which pre-damage heat detection is desired. A sensor, located proximate to the object, is then used to detect the emitted gas. Once the gas is detected, actions can be taken to reduce the heat in a manner appropriate for the particular object. Application of the enhanced coating within the computer industry can involve its use with a particular electrical component or a group of electrical components (e.g., a circuit board). For example, the enhanced coating can be applied to one or more circuit boards. The coated boards and an appropriate gas sensor are then installed in a computer system housing. When the sensor detects a particular gas, it conveys information to the system regarding the possibility of excess heat. The system can then take remedial action.

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