| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To obtain an ink composition which comprises at least one infrared-absorbing material having at least two absorption ranges and at least one reflection range within its infrared absorption spectrum. <P>SOLUTION: This ink composition contains at least one infrared-absorbing material having at least two absorption ranges (1, 2) and at least one reflection range (4) within its infrared absorption spectrum. <P>COPYRIGHT: (C)2005,JPO&NCIPI</p> |
