Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Including a second component containing structurally defined...
Patent
1990-04-24
1992-09-15
Thibodeau, Paul J.
Stock material or miscellaneous articles
Web or sheet containing structurally defined element or...
Including a second component containing structurally defined...
428212, 523137, B32B 530
Patent
active
051477181
ABSTRACT:
A radar absorber, for use as a sprayable paint, or for use as a plastic sheet, is provided. The radar absorber is used to cover a structural part of an aircraft or to shield a part of a naval vessel. The absorber, or coating in this embodiment, includes an inner layer having an elastomeric carrier material with a carbonyl iron powder dispersed therein, or disposed therein, of a regular particle size of about 4 to 5 micron, and includes an outer layer having an elastomeric carrier material with a carbonyl iron powder dispersed therein, or disposed therein, of a fine particle size of about 0.5 to 1.5 micron.
REFERENCES:
patent: 4116906 (1978-09-01), Ishino et al.
patent: 4414339 (1983-11-01), Solc et al.
Knott, E. F., J. F. Shaeffer and M. R. Toley, "Radar Cross Section," 1985.
Papoulias Sotiri A.
Seiwatz Henry
Forman Mark
ISP Investments Inc.
Laughlin Richard T.
Thibodeau Paul J.
Ward Joshua J.
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