Quartz glass plates being structural parts of machinery for the production of semiconductor wafers

Reflectors being parts or fittings for lasers; reflectors, lenses and mirrors comprised of quartz glass for use with microscopes, telescopes, cameras, cell phone and tablet sensors and displays, detectors to measure the physical properties of electromagnetic waves, in spectrophotometers, laser pump cavities, side pump lasers, remote sensing systems, reference surfaces for remote sensing and spectroscopy, in lasers and reflectometers, in ground-based calibration systems for satellites, imaging systems and remote sensing optical calibration systems, in light source standards for the characterization and calibration of consumer and industrial imaging devices; reflectors used to calibrate spectrophotometers and imagers, scatter light, control light levels and make light insensitive to directionality; reflectors to control light, namely, its output, directionality and the appearance of what such light irradiates, all of the above goods in this class not for medical purposes

Electric lamps; Reflectors for electric lamps; Anti-glare devices being fittings for lamps, infrared heaters, TN lamps, furnaces; Lamp housings of opaque quartz glass, in particular for UV lamps and infrared heaters

Quartz glass in the nature of vitreous silica fibers not for textile use and not for insulation purposes; fused silica and semi-worked products made therefrom, in particular, tubes, poles, plates, blocks, all of the aforesaid not for building purposes; opaque quartz glass fibers, not for textile use and not for insulation purposes; semi-worked opaque fused silica other than for building purposes, namely, tubes, poles, plates, blocks, spheres, cavities; and opaque semi-worked fused silica products, in particular, tubes, poles, plates, blocks; opaque quartz glass, namely, tubes, poles, plates, blocks, spheres and cavities not for building purposes