Tag ID (TID)
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The Tag ID is a unique number written to each RFID Integrated Circuit chip at the time of manufacture in accordance with ISO/IEC 15963:2004
Tha abstract for this standards reads, in part:
... A unique ID is required as part of the write operation to RFID tags. The unique ID guarantees that the information written to a tag is unambiguously written to the correct data carrier (tag). A unique ID is also required in many read situations where the contents of the tag are tied to a specific item and that item needs to be unambiguously identified.
The unique ID may also be used
- for the traceability of the integrated circuit itself for quality control in their manufacturing process;
- for the traceability of the RF tag during its manufacturing process and along its lifetime;
- for the completion of the reading in a multi-antenna configuration;
- by the anti-collision mechanism, to inventory multiple tags in the reader's field of view;
- for the traceability of the item to which the RF tag is attached.
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