CPC G06K 7/10099 (2013.01) [B32B 27/06 (2013.01); B32B 27/40 (2013.01); G06K 19/07773 (2013.01); B32B 2307/204 (2013.01); B32B 2307/208 (2013.01); B32B 2307/71 (2013.01); B32B 2519/02 (2013.01)] | 19 Claims |
1. A dome decal RFID marker comprising:
a flexible polymer substrate having a lower planar surface suitable for attachment by an adhesive to a planar surface of a storm drain;
an electromagnetic radiation decoupling layer attached to an upper planar surface of the flexible polymer substrate;
an RFID tag attached to an upper surface of the electromagnetic radiation decoupling layer at a location of enhanced electromagnetic field when an electromagnetic field is directed downward toward the dome decal RFID marker; and
a polyurethane protective layer sealing the RFID tag and the electromagnetic radiation decoupling layer to the flexible polymer substrate through viscous flow of the polyurethane protective layer prior to hardening.
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