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2. Radiation-absorbent material - Wikipedia

   en.wikipedia.org/wiki/Radiation-absorbent_material

   RAM cannot perfectly absorb radar at any frequency, but any given composition does have greater absorbency at some frequencies than others; no one RAM is suited to absorption of all radar frequencies. A common misunderstanding is that RAM makes an object invisible to radar. A radar-absorbent material can significantly reduce an object's radar ...

3. Salisbury screen - Wikipedia

   en.wikipedia.org/wiki/Salisbury_screen

   Salisbury screens operate on the same principle as optical antireflection coatings used on the surface of camera lenses and glasses to prevent them from reflecting light. . The easiest to understand Salisbury screen design consists of three layers: a ground plane which is the metallic surface that needs to be concealed, a lossless dielectric of a precise thickness (a quarter of the wavelength ...

4. Nakidka - Wikipedia

   en.wikipedia.org/wiki/Nakidka

   A tank equipped with RAM camouflage. Nakidka is a Russian radar-absorbent material (RAM) camouflage that "eliminates the use of precision-guided weapons". [1] Nakidka reduces the infrared, thermal, and radar band signatures of an object.

5. Plasma stealth - Wikipedia

   en.wikipedia.org/wiki/Plasma_stealth

   The great advantage Plasma Stealth possesses over traditional radio frequency stealth techniques like low-observability geometry and use of radar-absorbent materials is that plasma is tunable and wideband. When faced with frequency hopping radar, it is possible, at least in principle, to change the plasma temperature and density to deal with ...

6. Quickclear - Wikipedia

   en.wikipedia.org/wiki/Quickclear

   One problem with the system is that the heating elements can sometimes stop working, leaving one side of the screen uncleared. If this is the result of burn out, total replacement of the screen is the only remedy as the wires are actually embedded in the glass, (as opposed to a rear defogger, which can usually be repaired with conductive paint ...

7. Stealth technology - Wikipedia

   en.wikipedia.org/wiki/Stealth_technology

   Radiation-absorbent material (RAM), often as paints, are used especially on the edges of metal surfaces. While the material and thickness of RAM coatings can vary, the way they work is the same: absorb radiated energy from a ground- or air-based radar station into the coating and convert it to heat rather than reflect it back. [39]