| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a laser printing method that can clearly form a fine code containing a two dimensional code without generating paper powder, and to provide a laser printed matter and a paper container. <P>SOLUTION: The laser printing method includes: a step which forms a black ink layer 4 on a white coat layer 3 on a paper base material 2; and a step which forms a varnish layer 5 on the black ink layer 4. A YVO4 laser beam is irradiated to a request part of the black ink layer 4 and the varnish layer 5. At this point, the parts of the black ink layer 4 and the varnish layer 5 are eliminated to form a printing unit 7, and thereby a laser printed matter 15 is obtained. <P>COPYRIGHT: (C)2012,JPO&INPIT |
