摘要:
The invention relates to photopolymerizable compounds, used as recording material for images and to elements with a modulation of the refractive index, in particular holograms. In addition, the invention relates to a method for creating a light-resistant hologram. The inventive compounds, which are used as self-developing holographic recording material, substantially comprise binding agents, monomers, photoinitiators and optionally further additives or constituents.
摘要:
The invention relates to photopolymerizable compounds, used as recording material for images and to elements with a modulation of the refractive index, in particular holograms. In addition, the invention relates to a method for creating a light-resistant hologram. The inventive compounds, which are used as self-developing holographic recording material, substantially comprise binding agents, monomers, photoinitiators and optionally further additives or constituents.
摘要:
The invention relates to an information carrier (1) in which information is contained in the form of a hologram. In order to enhance protection against copying and/or provide said information carrier (1) with an additional safety feature that is easily recognizable, the hologram is a combination of transmission hologram and reflection hologram.
摘要:
The invention relates to a data carrier in card form, carrying a piece of information which is visible and/or invisible from the outside. In order to increase the copy protection in a cost-effective manner, the data carrier is largely transparent.
摘要:
The invention relates to an information carrier (2) with at least one outer surface (3) for reading optically readable information. The aim of the invention is to improve the copy protection of such an information carrier. To this end, a transparent copy protection layer (4) is applied on the at least one outer surface (3) of the information carrier (2). Said protection layer is capable of twisting and/or filtering the polarization of the readout light.
摘要:
The invention relates to an information carrier (1) in which information is contained in the form of a hologram. In order to enhance protection against copying and/or provide said information carrier (1) with an additional safety feature that is easily recognizable, the hologram is a combination of transmission hologram and reflection hologram.
摘要:
The invention relates to an information carrier (2) with at least one outer surface (3) for reading optically readable information. The aim of the invention is to improve the copy protection of such an information carrier. To this end, a transparent copy protection layer (4) is applied on the at least one outer surface (3) of the information carrier (2). Said protection layer is capable of twisting and/or filtering the polarization of the readout light.