Sunshield film transparent to radio frequency energy and shielded articles
First Claim
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1. A sunshield film, comprisinga sheet substrate made of a material that is transparent to radio frequency energy, the sheet substrate having a first side and a second side;
- a white coating on the first side of the sheet substrate, the white coating having a surface resistivity of from about 108 to about 109 ohms per square; and
a black coating on the second side of the sheet substrate, the black coating having a surface resistivity of from about 108 to about 109 ohms per square.
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Abstract
A structure protected by a sunshield film includes an article, for example a spacecraft radio-frequency antenna, and a sunshield film protecting the article surface. The sunshield film is formed as a sheet substrate made of a material that is transparent to radio frequency energy, a white coating on one side of the sheet substrate, and a black coating on the other side of the sheet substrate. The white coating and the black coating each have a surface resistivity of from about 108 to about 109 ohms per square.
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Citations
11 Claims
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1. A sunshield film, comprising
a sheet substrate made of a material that is transparent to radio frequency energy, the sheet substrate having a first side and a second side; -
a white coating on the first side of the sheet substrate, the white coating having a surface resistivity of from about 108 to about 109 ohms per square; and a black coating on the second side of the sheet substrate, the black coating having a surface resistivity of from about 108 to about 109 ohms per square. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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Specification