Radio Frequency Identification Tag for Use on Metal Objects
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United States of America Patent
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Issued Date -
Jun 16, 2011
app pub date -
Dec 14, 2009
filing date -
Dec 14, 2009
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
An RFID tag comprises a magnetic core, a wire wrapped around the core, and an integrated circuit electrically connected to the wire. A metal sleeve has an open first end and an open second end opposing the first end. The sleeve further has at least one impediment to the flow of eddy currents, such as a slit, formed between the first and the second ends. An encapsulating/potting material is used to fix the wire wrapped core and the circuit within the sleeve. A method of making such an RFID tag is also disclosed.
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