US Patent 7898481 - CNT RF antenna

http://www.freepatentsonline.com/7898481.html

This patent from Motorola teaches an antenna system which provides a greater number of frequency bands without requiring additional size by using carbon nanotubes. Claim 13 reads:

13. An antenna comprising:

an antenna element that comprises a medium and dispersion of elongated conductors in the medium;

wherein the elongated conductors elements comprise carbon nanotubes and an array of cells holding said medium and electrodes disposed to apply fields to said array of cells.