Patent ID: 8779964
Filing Date: 2014-07-15
Classification: B32B,F41H,H01Q,Y10T

Abstract:
1. A method for making a radar transparent, thermally and visually camouflaging construct, comprising the steps of: a. providing a first substrate comprising a thermally transparent first microporous polymeric material having a first surface and a second surface; b. providing a colorant; c. applying the colorant to at least the first surface of the first substrate to form a thermally transparent, visually opaque layer; d. providing a second substrate comprising a low emissivity component; e. orienting the low emissivity component of the second substrate towards the second surface of the first substrate; f. adhering the first and second substrates to form a construct having an average reflection of <70% in the wavelength range of 400 nm-600 nm, an average reflection of >25% in the wavelength range of and 9 μm-12 μm, and a radar transmission greater than 90% in the frequency range from 1 GHz to about 20 GHz.