The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 01, 2003
Filed:
Mar. 31, 2000
Charles Dominic Iacovangelo, Niskayuna, NY (US);
Yiqun Pan, Clifton Park, NY (US);
Chang Wei, Niskayuna, NY (US);
Mao Chen, Evansville, IN (US);
Lockheed Martin Corporation, Bethesda, MD (US);
Abstract
An method, and method of production thereof, which provides excellent performance, reduced cost, and reduced breakage due to reduced manual handling. The present invention comprises a substrate, a bond layer coating the substrate, a reflective layer coating the bond layer, and a radiative layer coating the reflective layer. Preferably, the radiative layer comprises SiO , Si N or SiO N , low absorbency of electromagnetic radiation having wavelengths of approximately 200 nm to approximately 2500 nm and high absorbency and emissivity electromagnetic radiation having wavelengths of approximately 2.5 &mgr;m to approximately 25 &mgr;m. Preferably, the bond layer comprises chromium, titanium, or titanium-tungsten and the substrate comprises aluminum, aluminum alloys, polyimide, carbon-filled polyimide, or carbon composite. The present invention may further comprise a barrier layer between the reflective layer and the radiative layer, preferably comprising MgF , which improves adhesion between the reflective layer and the radiative layer during thermal cycling. The present invention may further comprise a surface-leveling layer between the substrate and the bond layer, preferably comprising a silicone hardcoat material, which improves surface smoothness of the substrate. The radiative layer may have a modulated refractive index profile. The parameters of the modulated refractive index profile of the radiative layer may control amplitude, bandwidth and wavelength of rejection bands of the radiative layer.