NONCONTACT ID CARD OR THE LIKE AND METHOD OF MANUFACTURING THE SAME

摘要

This noncontact ID card or the like is constituted by an antenna circuit board having an antenna formed on a substrate and an interposer board on the substrate of which expanding electrodes connected to electrodes of an IC chip embedded in a substrate are formed, wherein both boards are stacked in such a way that the electrodes of the antenna are joined to the enlarged electrodes.