Patent ID: 9489613
Filing Date: 2016-11-08
CPC Classification: B23K,G06K,H01L,H01Q,Y10T

Claim Text:
1. A transponder chip module (TCM) comprising: a module tape (MT); contact pads (CP) disposed on a face-up side of the module tape; a planar antenna (PA) disposed on a face-down side of the module tape, and extending in a band in a rectangular spiral pattern around an outer area of the module tape, wherein the antenna has an inner end (IE) and an outer end (OE); characterized in that: a portion of the band of the planar antenna extends inward, towards a central area of the module tape, so that its outer end is not more than approximately 3 mm from an RFID chip (IC) disposed in the central area; the planar antenna is laser etched as a long track having a number of turns; the track has a width of approximately 100 μm or less; and a space between turns of the track is approximately 25 μm or less.