US 11,790,205 B2
RFID tags with shielding structure for incorporation into microwavable food packaging
Ian J. Forster, Chelmsford (GB); Norman Howard, Ilford (GB); Brad Cumby, Liberty Township, OH (US); James Orlowski, Painesville, OH (US); Brian Strohmeier, Pittsburgh, PA (US); Hu Duan, Solon, OH (US); Cameron Higgins, Franklin, OH (US); and John Feltz, Fairborn, OH (US)
Assigned to Avery Dennison Retail Information Services LLC, Mentor, OH (US)
Filed by Avery Dennison Retail Information Services LLC, Mentor, OH (US)
Filed on Dec. 10, 2021, as Appl. No. 17/547,911.
Application 17/547,911 is a division of application No. 15/856,502, filed on Dec. 28, 2017, granted, now 11,308,379.
Claims priority of provisional application 62/539,817, filed on Aug. 1, 2017.
Claims priority of provisional application 62/440,108, filed on Dec. 29, 2016.
Prior Publication US 2022/0101078 A1, Mar. 31, 2022
Int. Cl. G06K 19/06 (2006.01); G06K 19/077 (2006.01); G06K 19/07 (2006.01); B65D 81/34 (2006.01)
CPC G06K 19/0773 (2013.01) [B65D 81/3446 (2013.01); B65D 81/3453 (2013.01); G06K 19/0715 (2013.01); G06K 19/0723 (2013.01); G06K 19/07752 (2013.01); G06K 19/07771 (2013.01); G06K 19/07775 (2013.01); G06K 19/07786 (2013.01); G06K 19/07798 (2013.01); B65D 2203/10 (2013.01)] 9 Claims
OG exemplary drawing
 
1. An RFID tag comprising:
an RFID chip; and
an antenna electrically coupled to the RFID chip, wherein the antenna is comprised of a conductor sheet formed of a base material and a secondary material having different coefficients of thermal expansion configured to cause the antenna to fracture into multiple pieces upon being subjected to heating.