Information carrier e.g. postcard has optical aid that is separably provided in base portion and comprised with filter elements for displaying three-dimensional encoded content

摘要

The information carrier (1) has a base portion (2) that is provided for filling information. An optical aid (7) e.g. eyeglass is separably provided in the base portion, and comprised with filter elements (9,10) for displaying three-dimensional encoded content. The optical aid is formed such that the filter elements are bonded with the base portion.