Substrate damage detection mechanism using RFID tag

Details Substrate damage detection mechanism using RFID tag Substrate damage detection mechanism using RFID tag

2006-08-30

2010-02-16

Wu, Daniel (Department: 2612)

Communications: electrical

Condition responsive indicating system

Specific condition

C340S572800, C340S010410, C340S426270, C340S571000, C340S568200, C343S711000, C343S712000, C343S713000, C701S029000

Reexamination Certificate

active

07663491

ABSTRACT:
Disclosed is a substrate damage detection mechanism using Radio Frequency Identification (RFID) tag including a substrate, at least one RFID tag with a RFID chip, a RFID transmitter and at least one data input/output port and at least one conducting circuit loop arranged to cover the substrate and provided with a first end that is electrically connected to a reference voltage and a second end that is electrically connected to the data input/output port of the RFID tag. The RFID chip generates a conductive code when the conducting circuit loop is originally conducting and generates a open-circuit code when the conducting circuit loop becomes open circuit resulting from the damage of the substrate in which both the conductive code and the open-circuit code are transmitted by the RFID transmitter and received by a RFID reader to determine the damage of the substrate.

REFERENCES:
patent: 6147605 (2000-11-01), Vega et al.
patent: 6275157 (2001-08-01), Mays et al.
patent: 7132625 (2006-11-01), Voeltzel
patent: 2004/0066296 (2004-04-01), Atherton
patent: 2004/0119593 (2004-06-01), Kuhns
patent: 2007/0024423 (2007-02-01), Nikitin et al.

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