RFID tag having integral electrical bridge and method of assembling the same
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United States of America Patent
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-
Apr 15, 2003
Grant Date -
Feb 20, 2003
app pub date -
Aug 15, 2001
filing date -
Aug 15, 2001
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A radio frequency-identification (RFID) tag comprises a substrate, a single, continuous antenna having a plurality of spiral turns and end portions that are integral with the spiral turns, and an integrated circuit. The spiral turns are disposed on the substrate and at least one of the end portions crosses over at least some of the spiral turns. One end portion of the antenna is integrally connected to the innermost spiral turn and extends toward an outermost spiral turn to cross over at least some of the spiral turns. Another end portion of the antenna may be integrally connected to the outermost spiral turn and extend toward the innermost spiral turn to cross over at least some of the other spiral turns. The end portion(s) may cross over the spiral turns on the side of the substrate on which the spiral turns are disposed or on the opposite side.
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