INFRARED SIGNATURE POWDER AND METHODS OF CONTROLLING THE TEMPERATURE, DURATION, AND INTENSITY OF INFRARED SIGNATURE RADIATION
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United States of America Patent
Stats
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N/A
Issued Date -
Dec 22, 2011
app pub date -
Jun 16, 2011
filing date -
Jun 16, 2010
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
In accordance with aspects of the invention, an infrared signature powder (“IR powder”) suitable for marking targets and other objects is provided. The IR powder primarily includes porous, pyrophoric iron and moderators. The duration, temperature, and intensity of the emitted infrared radiation can be tailored during the powder's production process by adjusting the proportion or properties of the moderators in the IR powder. Additionally, a method of producing the IR powder is provided. The method can include the following general steps: heat a blend of aluminum and iron powders to cause an inter-metallic reaction; leach the aluminum from the iron; and mix a selected moderator and a binder with the iron in selected proportions to create the IR powder. Many of these steps are performed in an oxygen-free environment to prevent the iron from prematurely oxidizing. Similarly, the IR powder is encapsulated in an oxygen-free frangible ampoule or other container.
First Claim
Other Claims data not available