▎ 摘　　要

NOVELTY - The utility model claims a graphene anti-metal electronic tag, comprising: graphene antenna, electronic chip and substrate; the graphene antenna comprises a first antenna arm, a second antenna arm, a short circuit ring and an impedance loading part, the first antenna arm and the second antenna arm respectively provided with a screw thread and a connecting wire; one end of the thread line is connected with the short circuit ring through the connecting line, and the other end is connected with the impedance loading part; the screw thread can increase the width of the antenna arm; the electronic chip is connected to the short circuit ring, so that the induction current activates the electronic chip internal circuit and forms a sensing magnetic field; the substrate is used for bearing the antenna and the electronic chip; The double-thread structure of the utility model can increase the antenna arm in the given space, reduce the length-width ratio of the antenna arm, the input impedance curve of the antenna is more smooth, the matching bandwidth of the chip is increased, the performance of the electronic tag is more stable, the invention is good for miniaturization of the antenna, the graphene is wave-absorbing material, It can reduce the loss of the induced magnetic field, with anti-metal effect.