| 摘要 |
PROBLEM TO BE SOLVED: To solve: the problem in which means of concealing confidential information in a scratch card etc. is only a scratch hiding layer, allowing a forger to easily produce its forgery or to peek it; and the problem in which a scratch card etc. provided with a hologram layer as the top layer developed to prevent the forgery still allows a third person to visually recognize the hologram layer and thereby allows a forger to easily forge a scratch card etc. having a similar optical effect.SOLUTION: The present invention provides a scratch card etc. with a high forgery prevention effect in which a hologram layer is hidden by a scratch hiding layer so as to conceal manifestation of not only "confidential information" but also a hologram reproduction image, so that it is not until the scratch hiding layer is scratched that the confidential information and the hologram reproduction image can be visually recognized. |
