Customisation of a hot stamp foil or laminate
AssigneeApi Group PLC
InventorsStephen DONE, Alan LAKE
Life of this patent
Estimating the term…
Abstract
A method of producing a film having a diffractive surface pattern in selected areas by processing a precursor film having a diffractive surface relief throughout one or more zones together defining a target area of the precursor film; the method comprising applying material to a selected zone of the diffractive surface relief so as to nullify the diffractive effect of the surface relief in the zone.
Claims20
A method of producing a film having a diffractive surface pattern in selected areas by processing a precursor film having a diffractive surface relief throughout one or more zones together defining a target area of the precursor film;
- the method comprising:
- applying material to a selected zone of the diffractive surface relief so as to nullify the diffractive effect of the surface relief in the zone.
A film having a diffractive surface pattern in selected areas, the film comprising:
- a precursor film having a diffractive surface relief throughout one or more zones together defining a target area of the precursor film;
- material applied to a selected zone of the diffractive surface relief so as to nullify the diffractive effect of the surface relief in the zone.
A film as claimed in 11, wherein the precursor film comprises a substrate and a layer applied to the substrate, the layer having the diffractive surface relief.
Dependencies are inferred from the claim text.