Patent ID: 11934148
Assignee: DAI NIPPON PRINTING CO., LTD.
Field: Other consumer goods (Other fields)
Classification: CPC G  B | IPC B  G

Claim 9:
10. A light diffraction layer laminated sheet that is laminated on an upper side of a card substrate to form a part of a laminated structure of a card, the card structure comprising:
a card substrate;
a transparent sheet layer laminated on top of the card substrate;
a light diffraction layer configured to have an outer shape smaller than an outer shape of the transparent sheet layer and to be laminated onto an upper side which is one surface side of the transparent sheet layer;
a lower adhesive layer configured to have an outer shape substantially the same in size as a shape of the light diffraction layer and to directly bond the transparent sheet layer and the light diffraction layer together; and
a single upper print layer configured to directly surround all sides which are vertical to the transparent sheet layer for the light diffraction layer and the lower adhesive layer and a part of a top of the light diffraction layer, directly printed immediately on the transparent sheet layer between edges of the transparent sheet layer and edges of the outer shape of the light diffraction layer and the lower adhesive layer and the single upper print layer also printed so as to overlap portions of edges of the outer shape of the light diffraction layer.