NONCONTACT PASSIVE CARD

摘要

PROBLEM TO BE SOLVED: To supply sufficiently high energy to a processing means for a component of a noncontact passive card from a remote step and interactively transfer data between the card and a station. SOLUTION: A coil L2 of a component of a noncontact passive card CSC receives energy by induction and interactively transfers a data signal with a station. A processing means which processes a signal from the coil L2 is formed as an integrated circuit on a substrate of the component. The coil L2 is formed on the surface of the component by flattening integration technology of a metallic coating. The integrated coil dominates at least 50% of the entire surface of the component.