Fine particles, particle group, anti-counterfeiting ink, anti-counterfeiting toner, anti-counterfeiting sheet, and anti-counterfeiting medium

摘要

A main object of the present invention is to provide fine particles, a particle group, an anti-counterfeiting ink, an anti-counterfeiting toner, an anti-counterfeiting sheet, and an anti-counterfeiting medium enabling to achieve a high level of authentication. The object of the present invention is achieved by providing the fine particle comprising an identification information group including multiple types of identification information identifiable by magnification, characterized in that the identification information group includes first identification information and second identification information which cannot be identified at any magnifying power capable of identifying the first identification information.

主权项

1. A fine particle comprising an identification information group including multiple types of identification information identifiable by magnification,
wherein the identification information group includes first identification information and second identification information which cannot be identified at any magnifying power capable of identifying the first identification information, and a size of the identification information is within a rage of 0.4 μm or more and 300 μm or less, a size of the second identification information is 1/10 or less relative to a size of the first identification information, the first identification information is an outer shape of the fine particles, and a particle diameter of the fine particles is 50 μm or more and 300 μm or less.