Chemicals for use in industry; synthetic fused silica; synthetic quartz; synthetic quartz for optical fibers; synthetic fused silica for optical fibers

Optical glass, optical products, laboratory apparatus, electrical apparatus; electrical, electro-technical and scientific apparatus and instruments, electric heating elements and domestic electric appliances, all included in Class 9; optical mirrors; eye-pieces for microscopes; electric conduit material; electronic discharge tubes (not for lighting purposes); electric semi-conducting devices; parts of all these goods included in Class 9; 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

Lighting apparatus; Lightning systems and lighting devices for lighting systems for curing, cleaning or activating surfaces for preparing further process steps or for modifying surface structure; All the aforesaid steps in particular using ultraviolet (UV) radiation; Windows, lenses, mirrors, prisms or reflectors, in particular 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, · 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 fibers, · elements for coupling of laser light into passive transmission fibers, · 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, · 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, · camera systems for telescopes, in particular which examine a wide wavelength range, including the near-infrared range, · optics for laser fusion projects, · camera systems for optical quality control or for control of positioning systems, in particular camera systems for optical quality control or for control of positioning systems which work within a wavelength range of more than 2000 nm

Unworked or semi-worked glass, except building glass; Glassware, porcelain and earthenware; fused silica, fused quartz, glass; articles made from the aforesaid; Fused quartz as a semi-finished product, namely, ingots, tubes, rods, discs, plates and rings all for general industrial and further manufacturing use; Fused silica, semi-worked, for use in manufacture; synthetic quartz glass and quartz glass fibers of synthetic quartz glass, not for textile use