be used to print antennas for example silver content of the ink composition is greatly decreased due to the absence of insulated binder carbon flakes are added as a conductive u201c cage u201d to reduce the use of insulated binder and significantly improve the conductivity of ink under low addition of conductor compression after printing is an innovative finding that not only improves the adhesion but also enhances the conductivity such effects are credited to excellent contact between interfaces of particles and substrate the unique recipe and process save printing from high temperature sintering further reducing processing cost and widening applicable substrates application_number US 201514599562 A description a conductive ink composition and conductive u201c cage u201d for wireless antenna according to the present invention decrease their silver content but still maintains high conductivity there are mainly two methods in the preceding ink history 1 adjusting conductive materials like adding supplementary metals carbons or surface treated silver and 2 replacing insulate binder with conductive polymers carbon can be used as a conductive linkage for example carbon materials such as graphene cnt graphite etc have been widely proposed to be either added as supplementary conductive materials or as conductive bridging between silver particles on top of the foregoing proposal we propose carbon nanoflakes not only can function as conductive u201c cage u201d but also as a matrix of cage to catch the conductive particles as a schematic illustration shown in fig1 a carbon flakes will build a highly porous mixture that was proposed as conductive carbon u201c cage u201d in the present invention on the other hand compression was further applied.