| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an IC tag capable of transmitting/receiving data to/from the external and storing data updating history to be informed and having heat resistance. <P>SOLUTION: The IC tag is constituted so that an integrated circuit provided with a receiving circuit, a transmitting circuit, a storage circuit, and an operation circuit is sealed with glass or ceramics so as to transmit/receive signals to/from the external by electromagnetic waves or supersonic waves. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
