Patent ID: 8823597

Claim:
A multi-system multi-band RFID antenna, comprising: an on-chip antenna and at least one external antenna; the on-chip antenna is arranged on a chip, the external antennas are arranged outside the chip; a first insulating layer arranged on the chip, wherein the chip is provided with a first pad and a second pad; and a second insulating layer arranged on the first insulating layer, wherein the on-chip antenna as well as a third pad and a fourth pad are provided in the second insulating layer; wherein the third pad is electrically connected with the first pad, and the fourth pad is electrically connected with the second pad; the on-chip antenna is a coil antenna, two ends of which are connected with the third pad and the fourth pad, respectively, the third pad is located outside the coil, and the fourth pad is located inside the coil; and each of two ends of the external antennas is connected with the third pad and the fourth pad, respectively.