OrelTech recently launched its latest product, a nanoparticle-free gold ink, under the name OTech Aurum.    This type of ink is fully unique on the market and presents deep savings on material use and costs for the customers.    OTech Aurum gold ink has superior conductivity to all existing gold nanoparticle-based inks. The same device performance can be achieved by using up to 60% less material at the fraction of the production price.   The ink is compatible with aerosol and inkjet ...