Method of producing a screening smoke with one-way transparency in the infrared spectrum
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United States of America Patent
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Nov 26, 2002
Grant Date -
N/A
app pub date -
Sep 27, 2001
filing date -
Mar 27, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention relates to a method of producing a screening smoke which is one-way transparent in the infrared spectrum (780 nm-14.0 .mu.m) and opaque in the visible spectrum. According to the invention a known pyrotechnic screening smoke which is highly absorbent in the visible spectrum (380 nm-780 nm) is generated in the form of an aerosol, pyrotechnic scattered particles between 10 and 100 .mu.m in size are simultaneously produced in said aerosol, and the resulting two-component smoke is irradiated by an infrared radiation source (spectrum: 780 nm-14.0 .mu.m) from the smoke producer side.
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