| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a rewrite card which has a high noticeability of a rewrite print and brings about little nonuniformity in a print density and which provides a stable print quality and endures the use for a long period, in regard to a card using a leuco rewrite composition as a reversible thermal recording layer. <P>SOLUTION: This rewrite card 1 has the reversible thermal recording layer of a leuco dye. On the surface of a card base under a leuco rewrite layer, at least one printed layer of the ink containing an aluminum powder having a particle size of 5-20 μm and a thickness of 50% or less of the particle size in the limits of 10-35 wt.% is provided. The printed layer of the ink containing the aluminum powder can be provided suitably by silk screen printing. <P>COPYRIGHT: (C)2004,JPO&NCIPI |
