Patent ID: 7301458

Claim:
A method for testing radio frequency identification (RFID) straps, comprising: coupling an RFID tester to an array of RFID straps; multiplexing a plurality of test signals to test the array of RFID straps; detecting a plurality of return signals from the array of RFID straps; and marking an electrical contact on an RFID strap to indicate a defective REID strap, if a return signal from the RFID strap indicates the REID strap is defective, wherein each RFID strap in the array of RFID straps comprises, an RFID chip laminated in a roll material, the roll material comprising a first surface and a second surface; and a pair of contacts on the first surface of the roll material, coupled to the RFID chip, the array of RFID straps comprising an array of paired contacts on the first surface of the roll material.