| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To surely prevent a chip from being damaged due to stress when a card is manufactured or used. <P>SOLUTION: A controller chip 12 for receiving a command from the outside and performing processing corresponding to the command, a memory chip connected to the controller chip 12 to store data and an IC card function chip connected to the controller chip 12 to process security data are layered on a substrate, and the IC card function chip is arranged at a position other than the lowest layer. <P>COPYRIGHT: (C)2006,JPO&NCIPI</p> |
