SMART CARD CONSTRUCTIONS

摘要

A conductive coupling frame (CF) or a discontinuous metal layer disposed surrounding and closely adjacent a transponder chip module (TCM), and substantially coplanar with an antenna structure (AS, CES, LES) in the transponder chip module (TCM). A metal card body (MCB, CB) or a transaction card with a discontinuous metal layer having a slit (S), extending from an inner end to a periphery of the metal layer, and not terminating in a distinct opening sized to accommodate a transponder chip module (TCM).

主权项

1. Smartcard comprising:
a metal layer (ML); and a discontinuity, comprising a slit (S) in the metal layer (ML) extending from an inner end to a periphery of the metal layer and not terminating in a distinct opening sized to accommodate a transponder chip module (TCM).