Abstract: A method produces a multilayer element with a substrate and at least one conductor structure connected in an areal manner to the substrate, which has first regions of electrically conductive material, which is present in accordance with a prescribed pattern, while electrically non-conductive second regions lie between the first regions.

Abstract: A method of producing a multilayer element with a substrate and at least one conductor structure connected in an areal manner to the substrate, which has first regions of electrically conductive material present in accordance with a prescribed pattern, electrically non-conductive second regions lying between the first regions to produce RFID antennas or flexible printed circuit boards in a roller-to-roller process, the method including connecting a conductor foil to the substrate by a laterally structured layer of adhesive lying in between such that in first regions a partial bonding contact between the substrate and the conductor foil is created at a multiplicity of bonding zones, and in laterally extended second regions the conductor foil is not connected or is connected less firmly by adhesive to the substrate; structuring the conductor foil by cutting the conductor foil along boundaries of the first regions; and removing contiguous pieces of foil of the conductor foil from laterally extended second region

Abstract: A method of producing a multilayer element with a substrate and at least one conductor structure connected in an areal manner to the substrate, which has first regions of electrically conductive material present in accordance with a prescribed pattern, electrically non-conductive second regions lying between the first regions to produce RFID antennas or flexible printed circuit boards in a roller-to-roller process, the method including connecting a conductor foil to the substrate by a laterally structured layer of adhesive lying in between such that in first regions a partial bonding contact between the substrate and the conductor foil is created at a multiplicity of bonding zones, and in laterally extended second regions the conductor foil is not connected or is connected less firmly by adhesive to the substrate; structuring the conductor foil by cutting the conductor foil along boundaries of the first regions; and removing contiguous pieces of foil of the conductor foil from laterally extended second region

Abstract: A method produces a multilayer element with a substrate and at least one conductor structure connected in an areal manner to the substrate, which has first regions of electrically conductive material, which is present in accordance with a prescribed pattern, while electrically non-conductive second regions lie between the first regions.

Abstract: In a method for producing a permanent mark in an optical element which consists essentially of a material that is transparent in the visible spectral region, a marking region of the optical element is irradiated with laser radiation in order to generate local, near-surface material changes in such a way that a mark of prescribed shape and size is generated. The laser radiation has an operating wavelength ? from the wavelength region between 1.1 ?m and 9.2 ?m. A thulium-doped fiber laser is preferably used as laser radiation source. The operating wavelength is selected in dependence from the material of the optical element such that the material exhibits a partial absorption with a transmittance between 60% and 98%. The method can be used, in particular, to provide spectacle lenses, contact lenses or intraocular lenses with marks.

Abstract: In a method for producing a permanent mark in an optical element which consists essentially of a material that is transparent in the visible spectral region, a marking region of the optical element is irradiated with laser radiation in order to generate local, near-surface material changes in such a way that a mark of prescribed shape and size is generated. The laser radiation has an operating wavelength ? from the wavelength region between 1.1 ?m and 9.2 ?m. A thulium-doped fibre laser is preferably used as laser radiation source. The operating wavelength is selected in dependence from the material of the optical element such that the material exhibits a partial absorption with a transmittance between 60% and 98%. The method can be used, in particular, to provide spectacle lenses, contact lenses or intraocular lenses with marks.