Kernstück und das Kernstück verwendender Informationsträger für berührungslose Kommunikation

摘要

An inexpensive non-contact communication type information carrier with good handling capability and productivity, characterized in that an IC chip 1 formed integral with the antenna coil 3 is mounted in a recessed portion 6 of a core piece body 5 to form a core piece 11 and that the core piece 11 is mounted at a predetermined position on the information carrier.