Radar Absorbing
Materials
Stealth Technology
By
Esteban Hernandez
R.A.M.
Radar Absorbing Material (R.A.M.)
Plessey Company (1940’s)
moved from Ilford to Caswell House during WW II
R.A.M.
Materials
carbon fiber
composites
magnetic ferrite-
based substance
RAM reduces the
radar cross section
making the object
appear smaller
R.A.M.
Problems
Must be defect free
Most at risk during in flight fueling
High maintenance
$14.5 million (F-117)
Affected by weather conditions
Reason for B-2 Bomber stationed only in USA
Future of R.A.M.
F-22 Raptor
Radar Absorbing Alloy (Classified)
Canopy; RadarAbsorbing Glass
(contains a copper alloy)
Radar Absorbing Paint along the leading
edges
References
www.f-22raptor.com/st_getstealthy.php
People.howstuffworks.com/stealth-
bomber.htm
People.howstuffworks.com/news-
intem67.htm
. of R.A.M.
F-22 Raptor
Radar Absorbing Alloy (Classified)
Canopy; Radar Absorbing Glass
(contains a copper alloy)
Radar Absorbing Paint along the.
Radar Absorbing
Materials
Stealth Technology
By
Esteban Hernandez
R.A.M.
Radar Absorbing Material (R.A.M.)
Plessey