Stock material or miscellaneous articles – Structurally defined web or sheet – Nonplanar uniform thickness material
Patent
1997-12-08
1999-09-28
Loney, Donald
Stock material or miscellaneous articles
Structurally defined web or sheet
Nonplanar uniform thickness material
428 33, 428 57, 428 61, 428172, 428213, 2505151, 2505171, 331 67, 343872, 343909, 264241, B32B 100, H01Q 142
Patent
active
059585579
ABSTRACT:
A contoured panel section for a radome for use with a center frequency corresponding to a wavelength equal to .lambda., the panel section comprising a solid body portion of a thickness which is an integral multiple of .lambda./2 and which has opposing first and second ends for interconnecting with corresponding second and first ends, respectively, of a mating panel section, wherein a combined thickness of the first and second ends is equal to the thickness of the body portion. The panel section is preferably formed of thermoplastic material having a high dielectric constant and is thermoformed using a double mold.
REFERENCES:
patent: 3773603 (1973-11-01), Schulander
patent: 4180605 (1979-12-01), Gilbert
patent: 4287245 (1981-09-01), Kikuchi
patent: 5294273 (1994-03-01), Tripp
patent: 5323170 (1994-06-01), Lang
patent: 5344685 (1994-09-01), Cassell
patent: 5357726 (1994-10-01), Effenberger et al.
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