| Abstract: The present invention relates to an optical code including a film of a
charge-transfer material, as well as methods thereof. Described herein
are optical codes having anisotropic and/or isotropic regions within the
film, which can be provided in a pattern that serves as an optical code. |
| Filed: 11/26/2018 |
| Application Number: 16/200413 |
| This invention was made with Government support under Contract No. DE-NA0003525 awarded by the United States Department of Energy/National Nuclear Security Administration. The Government has certain rights in the invention. |
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