Transponder chip module with coupling frame on a common substrate for secure and non-secure smartcards and tags
First Claim
1. A capacitive coupling enhanced (CCE) transponder chip module (TCM) comprising:
- a module tape (MT);
an area for mounting an RFID chip (IC) on the module tape (MT); and
a module antenna (MA, PA) disposed on the module tape (MT);
characterized by;
a conductive coupling frame (CF) disposed on the module tape (MT) having an opening (OP) defined by an inner edge (IE), an outer edge (OE) and a discontinuity comprising a slit (S) or a non-conductive stripe (NCS) extending from the opening (OP) to the outer edge (OE);
wherein the opening (OP) is disposed surrounding and closely adjacent to the module antenna (MA);
wherein;
the coupling frame (CF) is formed from a conductive layer (CL) on the module tape (MT) which is one of the (i) conductive layer used to form contact pads (CP) on the face-up side of the module tape (MT) and (ii) the conductive layer used to form the module antenna on the face-down side of the module tape (MT).
2 Assignments
0 Petitions
Accused Products
Abstract
A capacitive coupling enhanced (CCE) 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 module tape (MT). The coupling frame (CF, 320A) may be in the form of a ring, having an inner edge (IE), an outer edge IE, 324) and a central opening (OP), disposed closely adjacent to and surrounding the module antenna (MA). A slit (S) may extend from the inner edge (IE) to the outer edge (OE) of the coupling frame (CF) so that the coupling frame (CF) is “open loop”. An RFID device may comprise a transponder chip module (TCM) having a module antenna (MA), a device substrate (DS), and an antenna structure (AS) disposed on the device substrate (DS) and connected with the module antenna (MA). A portion of a conductive layer (CL, 904) remaining after etching a module antenna (MA) may be segmented to have several smaller isolated conductive structures.
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Citations
16 Claims
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1. A capacitive coupling enhanced (CCE) transponder chip module (TCM) comprising:
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a module tape (MT); an area for mounting an RFID chip (IC) on the module tape (MT); and a module antenna (MA, PA) disposed on the module tape (MT); characterized by; a conductive coupling frame (CF) disposed on the module tape (MT) having an opening (OP) defined by an inner edge (IE), an outer edge (OE) and a discontinuity comprising a slit (S) or a non-conductive stripe (NCS) extending from the opening (OP) to the outer edge (OE); wherein the opening (OP) is disposed surrounding and closely adjacent to the module antenna (MA); wherein;
the coupling frame (CF) is formed from a conductive layer (CL) on the module tape (MT) which is one of the (i) conductive layer used to form contact pads (CP) on the face-up side of the module tape (MT) and (ii) the conductive layer used to form the module antenna on the face-down side of the module tape (MT). - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A capacitive coupling enhanced transponder chip module (CCE-TCM, 400) comprising:
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a module tape (MT); an RFID chip (IC) disposed on the module tape (MT); an etched module antenna (MA) disposed on the module tape (MT); and a coupling frame (CF) disposed on the module tape (MT), closely adjacent to the module antenna (MA), having an opening (OP) aligned with the module antenna (MA) and a slit (S) extending from the opening (OP) to an outer edge (OE) of the coupling frame (CF) so that the coupling frame (CF) is an open loop; wherein;
the coupling frame (CF) is formed from a conductive layer (CL) on the module tape (MT) which is one of the (i) conductive layer used to form contact pads (CP) on the face-up side of the module tape (MT) and (ii) the conductive layer used to form the module antenna on the face-down side of the module tape (MT). - View Dependent Claims (16)
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Specification