(57) ABSTRACT RFID devices comprising (i) a transponder chip module (TCM, 1410)
having an RFIC chip (IC) and a module antenna (MA), and (ii) a coupling frame (CF) having …

Smartcards having (i) a metal card body (MCB) with a slit (S) overlapping a module antenna
(MA) of a chip module (TCM) or (ii) multiple metal layers (M1, M2, M3) each having a slit (S1 …

Provided is an antenna module package including a substrate, a wireless card payment
antenna structure mounted on the substrate and including a first antenna chip and wireless …

Smartcards with metal layers manufactured according to various techniques disclosed
herein. One or more metal layers of a smartcard stackup may be provided with slits …

(57) ABSTRACT A conductive coupling frame (CF) having two ends, forming an open loop
having two ends or a discontinuous metal layer disposed surrounding and closely adjacent …

A conductive coupling frame (CF) having two ends, forming an open loop, disposed
surrounding and closely adjacent a transponder chip module (TCM), and substantially …

The planar antenna (PA) of a transponder chip module (TCM) may have a U-shaped portion
so that an outer end (OE) of the antenna may be positioned close to an RFID chip (IC) …

A transponder chip module (TCM) comprises an RFID chip (CM, IC), optionally contact pads
(CP), a module antenna (MA), and a coupling frame (CF), all on a common substrate or …

Coupling frames comprising a conductive (metal) surface with a slit (S) or non-conductive
stripe (NCS) extending from an outer edge to an inner position thereof, and over lapping a …

Various embodiments of a multi-mode antenna described. The antenna is preferably
constructed having a first inductor coil and a second inductor coil. A plurality of shielding …