Communications: radio wave antennas – Antennas – With housing or protective covering
Patent
1997-06-24
2000-07-18
Robinson, Ellis
Communications: radio wave antennas
Antennas
With housing or protective covering
428 344, 428 346, 428 365, B64C 114, C04B 3702, C30B 2920, F42B 1046
Patent
active
060913754
ABSTRACT:
Radome which is mainly constituted of at least one porous ceramic material. The radome is useful as a cover for protecting a radar, which is excellent in weather resistance, machinability and relative dielectric constant. The porous ceramic radome material may be coated or impregnated with a resin, amorphous silica or borosilicate glass in order to improve the tightness and the resistance to heat and oxidation.
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Misra et. al., "Synthesis and Properties of Some New Fluorine-Containing Polyimides", Polymer, vol. 33, No. 5, pp. 1078-1082, 1992.
Hougham et. al., "Synthesis and Properties of Highly Fluorinated Polyimides", Macromolecules, vol. 27, pp. 3642-3649, 1994.
Fujii Akihito
Goto Tomoji
Kawai Chihiro
Figueroa John
Robinson Ellis
Sumitomo Electric Industries Ltd.
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