The new method concerns the custom designed lowcost mass production of flexible planar circuits which suit particu-larly for one time use and carry complex prints on at least one face thereof, as may be e.g. RF sensitive tickets or marker tags for electronic security systems. The construction both of...http://www.google.ca/patents/US5294290?utm_source=gb-gplus-sharePatent US5294290 - Computer and electromagnetic energy based mass production method for the continuous flow make of planar electrical circuits