Built-Up Mirror with Reduced Temperature Gradient.
Patent, Filed 29 Apr 82, patented 6 Mar 84,
DEPARTMENT OF THE NAVY WASHINGTON DC
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This patent discloses built-up glass mirror structure of the type having front and rear plates held in spaced relation by spacer walls arranged in a cellular pattern has temperature gradients reduced by inclusion of highly reflective coating, such as silvering, of the spacer wall surfaces in each cell in combination with the inwardly facing surfaces at opposite ends of the cells being relatively highly emissive and absorptive of radiant thermal energy.