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    • 66. 发明授权
    • Optical solar reflectors
    • 光学太阳能反射镜
    • US06587263B1
    • 2003-07-01
    • US09540757
    • 2000-03-31
    • Charles Dominic IacovangeloYiqun PanChang WeiMao Chen
    • Charles Dominic IacovangeloYiqun PanChang WeiMao Chen
    • G02B520
    • G02B5/0883F24S23/82F24S70/30G02B1/12G02B5/0858G02B5/0875G02B5/208Y02E10/40Y10T428/12771Y10T428/24975Y10T428/265
    • 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 SiO2, Si3N4 or SiOxNy, 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 MgF2, 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.
    • 一种方法及其制造方法,其由于减少手动处理而提供优异的性能,降低的成本和减少的破损。 本发明包括基板,涂覆基板的接合层,涂覆接合层的反射层和涂覆反射层的辐射层。 优选地,辐射层包括SiO 2,Si 3 N 4或SiO x N y,波长为约200nm至约2500nm的电磁辐射的低吸收性以及具有约2.5μm至约25μm波长的高吸收性和发射率电磁辐射。 优选地,结合层包括铬,钛或钛 - 钨,并且基底包括铝,铝合金,聚酰亚胺,填充碳的聚酰亚胺或碳复合材料。 本发明还可以包括在反射层和辐射层之间的优选包含MgF 2的阻挡层,其改善了热循环期间反射层和辐射层之间的粘附性。 本发明还可以包括在衬底和接合层之间的表面平整层,优选地包括硅氧烷硬涂层材料,其改善了衬底的表面光滑度。 辐射层可以具有调制的折射率分布。 辐射层的调制折射率分布的参数可以控制辐射层的抑制带的幅度,带宽和波长。