Communications: radio wave antennas – Antennas – With housing or protective covering
Patent
1984-09-10
1995-10-10
Walsh, Donald P.
Communications: radio wave antennas
Antennas
With housing or protective covering
244160, 2505151, 252478, H01Q 142
Patent
active
054574714
ABSTRACT:
A radome useful with high-speed guided missiles has an inner conical shell made of a strong, high temperature resistant material transparent to radiant energy in the operative frequency range of a sensor mounted inside the shell. An outer ablative layer covers the exterior surface of the shell. This layer is made of a material which is also transparent to radiant energy in the sensor frequency range and which melts or sublimes and displaces from the shell at a predetermined elevated temperature and/or velocity during high-speed flight. The thickness of the ablative layer is selected so that it compensates for increased thickness and/or refraction resulting from thermal expansion of the shell, thereby minimizing guidance errors.
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Brown Charles D.
Denson-Low Wanda K.
Heald Randall M.
Hughes Missile Systems Company
Walsh Donald P.
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