30% Efficiency, 1500W per Kg for Facebook wireless, Thin solar panels internet beaming . that is drone
Designed by Lift and selective etching off ~100um GaAs photocells layer from the substrate, that can be used again polishing.

Playlist Drone World Expo SJ CA 2016

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CIMG7892 30% Efficiency, Thin solar panels 1500W per Kg for Facebook drone