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Metal contactless transaction card

  • US 9,940,571 B1
  • Filed: 08/25/2017
  • Issued: 04/10/2018
  • Est. Priority Date: 08/25/2017
  • Status: Active Grant
First Claim
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1. A transaction card for communicating data relating to a transaction, the transaction card comprising:

  • a metal layer;

    a backing layer; and

    a radio frequency (RF) antenna layer positioned between the metal layer and the backing layer,wherethe RF antenna layer includes an RF antenna to facilitate communicating the data relating to the transaction wirelessly via an RF signal, andthe metal layer comprises a plurality of holes to limit eddy currents in the metal layer to a threshold density,the plurality of holes extending from a top surface of the metal layer or a bottom surface of the metal layer to a middle plane of the metal layer that is between the top surface and the bottom surface, andthe eddy currents being caused by an RF signal.

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