US 11,993,405 B2
Thermal control material
Vladan Jankovic, Santa Monica, CA (US); Philip W. C. Hon, Hawthorne, CA (US); Luke A. Sweatlock, Hawthorne, CA (US); Michael T. Barako, Gettysburg, PA (US); Mark William Knight, El Segundo, CA (US); Shao-Hua Wu, Taichung (TW); Michelle L. Povinelli, Los Angeles, CA (US); Ahmed M. Morsy, Carbondale, IL (US); and Mingkun Chen, Palo Alto, CA (US)
Assigned to NORTHROP GRUMMAN SYSTEMS CORPORATION, Falls Church, VA (US); and UNIVERSITY OF SOUTHERN CALIFORNIA, Los Angeles, CA (US)
Filed by Vladan Jankovic, Santa Monica, CA (US); Philip W. C. Hon, Hawthorne, CA (US); Luke A. Sweatlock, Hawthorne, CA (US); Michael T. Barako, Gettysburg, PA (US); Mark William Knight, El Segundo, CA (US); Shao-Hua Wu, Taichung (TW); Michelle L. Povinelli, Los Angeles, CA (US); Ahmed M. Morsy, Carbondale, IL (US); and Mingkun Chen, Palo Alto, CA (US)
Filed on Oct. 7, 2019, as Appl. No. 16/594,648.
Claims priority of provisional application 62/809,250, filed on Feb. 22, 2019.
Prior Publication US 2020/0269999 A1, Aug. 27, 2020
Int. Cl. F28F 21/00 (2006.01); B32B 3/30 (2006.01); B64G 1/22 (2006.01); B64G 1/50 (2006.01); B64G 1/58 (2006.01); C01G 31/02 (2006.01); C09K 5/14 (2006.01); G02F 1/01 (2006.01); H10N 70/00 (2023.01); H10N 70/20 (2023.01)
CPC B64G 1/50 (2013.01) [B32B 3/30 (2013.01); B64G 1/226 (2013.01); B64G 1/503 (2013.01); B64G 1/58 (2013.01); C01G 31/02 (2013.01); C09K 5/14 (2013.01); F28F 21/00 (2013.01); G02F 1/0147 (2013.01); H10N 70/231 (2023.02); H10N 70/8613 (2023.02); H10N 70/882 (2023.02); H10N 70/8828 (2023.02); G02F 2202/30 (2013.01); G02F 2202/32 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A system, comprising:
a temperature sensitive object; and
a thermal control material in thermal communication with the temperature sensitive object and having an emissivity that varies as a function of temperature, the thermal control material comprising:
a substrate comprising a first surface comprising one of a photonic crystal, a metamaterial, a metasurface, and a multilayer film;
solid state phase change material in contact with the surface;
an optical cavity formed of zinc selenide; and
a reflective thin film material positioned on an opposite side of the optical cavity from the substrate.