Patent ID: 7323993
Filing Date: 2008-01-29
Classification: G06K,H01L,H01Q,H05K

Abstract:
1. An RFID tag, comprising: a substrate; an antenna formed on the substrate that includes first and second conductive traces, a first antenna region, and at least one second antenna region; and an integrated circuit that is connected across the first and second conductive traces, wherein the first antenna region is formed from a first material having a first conductivity and the at least one second antenna region is formed from a second material having a second conductivity, and wherein the RFID tag further comprises a third antenna region having a third conductivity, wherein said first antenna region comprises an interconnect area, said second antenna region comprises a main antenna area, and said third antenna region comprises an intermediate antenna area, and wherein said first conductivity is greater than either of said second and third conductivity.