9 optical mirrors; electronic discharge tubes, not for lighting purposes; electric semi-conducting devices, namely, chucks, gas inlets or substate holders ; parts of all these goods included; optical lenses, optical prisms; optical glassware, in the form of discs or of plates, and etched screens for photographic purposes; all made of fused silica or of glass; optical windows, lenses, mirrors, prisms or reflectors, in particular optical windows lenses, mirrors or reflectors of natural or synthetic quartz glass, for use in detectors for determining physical variables of electromagnetic waves, spectrometers, reflectometers, interferometers, laser cavities, laser heads for focusing, shaping or positioning of a laser beam, in particular laser heads for focusing, shaping or positioning of a laser beam in industrial cutting and welding systems, electrical connectors of passive laser cables, in particular for transmission of laser beams from the place of production to the place of use, vacuum chambers for modification of surfaces, in particular for vaporising, hardening, sputtering or plasma etching of surfaces, in particular for LED manufacture. optical windows, lenses, mirrors, prisms and reflectors, in particular optical windows, lenses, mirrors, prisms and reflectors of natural or synthetic quartz glass for use in detectors for determining physical variables of electromagnetic waves, spectrometers, reflectometers, interferometers, laser cavities, installations for photolithographic structuring of a photoresist layer, in particular in installations for photolithographic structuring of a photoresist layer in the manufacture of integrated circuits, installations for immersion lithography, installations for extreme ultraviolet lithography (EUV), in particular in installations for EUV lithography in the manufacture of integrated circuits, elements for coupling of pump light into active laser fibres, elements for coupling of laser light into passive transmission fibres
Trademark: 90560051
