IC CHIP AND MEMORY MEDIUM HAVING THE SAME BUILT IN

摘要

PROBLEM TO BE SOLVED: To reduce the cost of an IC chip for memory medium such as a non- contact IC card and a non-contact tag and to improve the reliability. SOLUTION: A dedicated chip 30 provided with an antenna is obtained by forming an antenna on a general purpose IC chip by rewiring by means of electroplating or the like. It is possible to manufacture a memory medium such as a non-contact IC card 20 and a non-contact tag simply by embedding the chip in a card and a tag without having to use a conventional antenna sheet or a dedicated mounting substrate with an antenna.