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RFID antenna modules and methods of making

  • US 8,789,762 B2
  • Filed: 08/27/2012
  • Issued: 07/29/2014
  • Est. Priority Date: 08/12/2010
  • Status: Active Grant
First Claim
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1. An antenna module (AM) for a smart card (SC) comprising:

  • a module tape (MT);

    a chip (CM) disposed on a surface of the module tape (MT); and

    a module antenna (MA) disposed on the surface of the module tape (MT), and connected with the chip (CM);

    characterized by;

    a support structure (DS, WC) secured to the surface of the module tape (MT), serving as a winding core for the module antenna (MA) and as a dam for glob-top (GT) covering the chip (CM);

    wherein the support structure (DS, WC) comprises a tubular body portion (B) having two opposite open ends, one of which is secured to the surface of the module tape (MT), the other of which is a free end; and

    the support structure (WC) has only one flange (F) which is disposed around the free end of the body portion (B) and the end of the support structure (WC) which is secured to the module tape (MT) does not have a flange.

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