Plate for creating holograms and method for manufacturing the plate
AssigneeHeidelberger Druckmaschinen AG
InventorsMARTIN SCHMITT-LEWEN, BERNHARD BUCK, MICHAEL THELEN
Life of this patent
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Abstract
A plate for creating holograms or other light-bending or diffractive microstructures on web-shaped or sheet-shaped printing substrates includes a relief for a relief printing process. The relief is formed of one or more raised dies and one or more adjacent depressions. A non-metallic microrelief for printing or embossing the microstructure is provided exclusively on the dies. The plate may be manufactured in a process in which a primary plate has a negative of the microrelief and the microrelief is created by molding the negative.
Claims13
A plate for creating holograms or other light-bending or diffractive microstructures on web-shaped or sheet-shaped printing substrates, the plate comprising:
- a relief for a relief printing process;
- said relief being formed of at least one raised die and of at least one depression adjacent said at least one die;
- and
- said relief having a microrelief for printing or embossing the microstructure, said microrelief being exclusively disposed on said dies and being non-metallic.
A process for manufacturing a plate for creating holograms or other light-bending or diffractive microstructures on web-shaped or sheet-shaped printing substrates, the process comprising the following steps:
- forming a relief on the plate for a relief printing process;
- providing the relief with at least one raised die and at least one depression adjacent the at least one die;
- providing the relief with a microrelief for printing or embossing the microstructure, the microrelief being exclusively disposed on the at least one die;
- and
- creating the microrelief by providing a primary plate with a negative of the microrelief and molding the negative to create the microrelief.
Dependencies are inferred from the claim text.