Nano Dimension, a printing electronics company in the area of 3D printing, announced that Nano Dimension Technologies, a fully owned subsidiary of Nano Dimension, has filed a patent application with the U.S. Patent and Trademark Office for a proprietary copper ink that is used in the printing of electronic conductors.   The copper nanoparticle-based ink provides improved oxidation resistance, resulting in an innovative breakthrough that offers the ability to print copper with industrial 3D dig...