HERAEUS

OPTICAL PARTS NAMELY, PRISMS, LENSES, PLATES, FILTERS, MIRRORS, MIRROR SUPPORTS, CUVETTES, OPTICAL FIBER PREFORMS FOR OPTICAL FIBERS, OCULARS, WINDOWS, LABORATORY EQUIPMENT NAMELY, FLASKS, CRUCIBLES, TRAYS, BEAKERS, SINTERED ARTICLES MADE OF GLASS AND/OR CERAMIC PARTICLES, GROUNDSURFACE ARTICLES MADE OF GLASS AND/OR CERAMIC PARTICLES, DISTILLING APPARATUS, COLUMNS, BOATS, DIFFUSION PIPES, AMPOULES, BELLS, CRUCIBLES, EPITAXY TUBES, AND SUPPORTING BOATS ALL FOR USE IN SEMICONDUCTOR PRODUCTION TECHNOLOGY; TUBES, CONTAINERS, HOODS AND FLANGES FOR USE IN SEMICONDUCTOR PRODUCTION APPLICATIONS, APPARATUS FOR THE PROJECTION OF INFRARED LIGHT, QUARTZ GLASS WOOL, COMBUSTION APPARATUS FOR THE DISINTEGRATION OF ORGANIC COMPOUNDS

IMMERSION HEATERS, VAPORIZERS

TRANSPARENT AND OPAQUE SEMI-FINISHED AND FINISHED PRODUCTS FROM MOLTEN SILICA, ESPECIALLY HOLLOW OR SOLID CYLINDERS, TUBES, RODS, PLATES, BLOCKS, CONTAINERS