9 Optical glass in the form of plates, disks, cylinders, lenses, prisms, mirror blanks; optical glass filters to permit or block the transmission of specific spectral ranges, namely, band pass filters, long pass filters, short pass tilters, neutral density filters, conversion filters, enhancement filters and interference filters; mirror holders made of glass ceramics for astronomical telescopes; laser glasses and their components, not for medical use; core glasses for light guiding fibers and fused together fiber optics; pressed spectacle lenses for ophthalmic purposes and sun protection; optical reflectors; radiation shielding glasses; [ screens and funnels and glass solder for the production of cathode ray tubes for TVs and computer monitors; ] front panels for TV screens and other screens; [ photovoltaic installations for the transformation of solar energy into electricity and their parts and fittings, namely, modules, batteries and converters; solar collectors for current production and their components; ] fiber optic components and systems for light transmission in industrial, medical and signaling technics; fiber optic components for industrial image processing and industrial lighting; fiber optic guides for endoscopy, surgical microscopy and dentistry; fiber optic light guides for traffic management, railway signaling, airport signposting, city lighting and illumination and advertising displays; fiber optic components and lighting elements for changeable traffic signs and parking guiding systems; glass-to-metal feed-throughs for optoelectronics, frequency control, data transmission and telecommunications as well as for automotive control electronics/sensors; glass-to-metal casings, opto/hybrid casings, transistorcasings, quartz casings, all the aforesaid goods for use for telecommunication, optoelectronics, data processors, electronic semi-conductors as well as for laser applications and sensors; optoelectronic compression-glass cable feed-throughs for pressure tanks in chemical plant construction; fiber optic connecting devices for parallel optic data processing as components in telecommunication systems like in optical switches and routers, as well as for data communication in high performance servers and parallel processors; optical components, and optical interfaces for fiber optic transceivers, optical MEMS switches; fiber optic light guides for the semiconductor industry and ultraviolet lighting with high intensity; [ laboratory glassware; laboratory apparatus and instruments, namely, titration apparatus, viscometers, piston burettes, electrodes for pH, redox, 02 and conductivity measurement, namely, pH meters, 02 meters and conductivity meters; ] biosensors for biotechnics, gene technology and DNA-analysis; coated slides for microbiology; flash lamps, X-ray tubes and image amplifier tubes; electric and electronic switches and sensors; touch sensitive controls and switches; lightwave guides, slab-wave guides, Y-branches, star couplers, multiplexer and demultiplexer, interferometers and ring resonators; fiber optic components, namely, fiber optic cables, conduits, transmitters, converters, hubs, transceivers, repeaters, modems and multiplexers and optoelectronic converters for data transmission in computers, in computer networks, in vehicles of all kind and in other means of transport, for telecommunication, for medical engineering, for measurement and control engineering; special glass fiber optics, light guiding rods and cones, flexible image guides for guiding light between two points, flexible light guides, laser beam guide; [ optical materials and components made of glass, glass ceramics and crystals for micro lithography applications; mask blanks for micro lithography for the production of computer chips; highly homogeneous optical glasses, synthetic quartz glass and optical crystals for mirco lithography optics; ] lenses, prisms, mirrors for optical apparatus and instruments, for ophthalmic purposes, for spectacle lenses, for objectives in cameras, binoculars, telescopes and for optical devices; laser glass for optoelectronics, Cerenkov glasses, scintillation glasses, radiation shielding glasses; optical core glasses for light guides and together fused fiber optics; optical phosphate and silicate glasses for the amplification of energy in high energy lasers, filters for diagnostics and beam control; diodes and flexible light diodes