Patent ID: 6700112
Filing Date: 2004-03-02
Classification: C09D,C23C,F21S,F21V

Abstract:
A radiant energy transducer system comprising:a radiant energy reflector, having a diffusely reflective area; and a transducer associated with the reflector, for transducing between radiant energy reflected from at least a portion of the diffusely reflective area and an electrical signal corresponding to the reflected radiant energy, the reflector comprising: a substantially rigid substrate having a surface configured to provide a predetermined shape for the diffusely reflective area; and a diffusely reflective coating on the surface of the substrate, the coating comprising: (a) a zinc-oxide pigment; and (b) an alkali metal silicate vehicle-binder, wherein the coating is characterized by: (i) reflectivity >95%; and (ii) ability to substantially withstand temperatures up to at least 250Â° C.