A flake-based pigment is provided having improved specular reflectance characteristics in the visible wavelength range. The flake-based pigment has a plurality of composite reflective flakes each formed of a support layer and a reflector layer on one or both opposing sides of the support layer. This...http://www.google.ca/patents/US6586098?utm_source=gb-gplus-sharePatent US6586098 - Composite reflective flake based pigments comprising reflector layers on bothside of a support layer
