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Presence Detection of RFID-tags on the Carrier Foil

Article No: KA-01589
Version: 1.0
Subject to change without notice
Presence Detection of RFID-tags on the Carrier Foil with inductive sensor.
Related Products
inductive proximity sensors
IQG

Task:

Presence detection of RFID-tags (or other metal containing labels) on the carrier foil (or other non metallic surfaces) at a short sensor object distance of a few millimeters.

Solution:

The RFID-tag antenna and the chip contains metal, therefore a possible solution could be an inductive sensor of a suitable size according to the tag size, please see picture below with 2 example sensors:

 

Keywords:
detecting, inductive, packaging, rfid, tag
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