RF-transparent spacecraft thermal control barrier

Stock material or miscellaneous articles – Composite – Of polyimide

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428172, 428178, 428174, 428702, 428207, 428213, 428458, 428447, 393872, B32B 2700

Patent

active

052158241

ABSTRACT:
An RF-transparent blanket provides thermal protection against solar and laser radiation. The blanket includes an outer layer of a transparent Kapton dielectric sheet with an outer surface coated with electrically conductive transparent indium-tin oxide to aid in suppressing electrostatic discharge. A second layer includes a transparent Kapton dielectric sheet with a coating of white silicone paint on the surface facing the first sheet. The outermost Kapton sheet protects the paint from long-term damage due to charged particle fluence and ultraviolet radiation. Further sheets of uncoated transparent Kapton, which may be embossed, are interposed between the second layer and a surface upon which an antenna is mounted to provide thermal insulation.

REFERENCES:
patent: 3295131 (1966-12-01), Hollingsworth
patent: 3396400 (1968-08-01), Kelly et al.
patent: 4479131 (1984-10-01), Rogers et al.

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