Grinding wheels, milled parts, of quartz and technical ceramics; machines for surface modification or surface coating; machines for the treatment of materials; machines for material development, namely, coating installations with integrated material screening and coating development; machines and mechanical components thereof, relating to the following fields, chemical industry, construction industry, textile industry, packaging industry, food industry, semiconductor industry, automotive industry, telecommunications industry, medical industry, microsystem technology industry

Electrical and electronic components, especially of quartz and technical ceramics; quantum dots [crystalline semi-conductor materials]; structured semi-conductor wafers; electronic semi-conductors and components thereof of quartz and technical ceramics; semiconductor elements, especially, of quartz and technical ceramics; quartz glass goods, namely, process tubes, process chambers, plates and carriers for semiconductors; test tubes; photovoltaic installations and photovoltaic reference cells and components thereof of quartz glass

Custom manufacture of prefabricated construction elements and components, in particular those of quartz glass and technical ceramics; treatment of materials, namely, processing of surfaces by means of polishing machines, sandblasting machines, in particular for goods of quartz glass and technical ceramics, namely, tools, medical apparatus, instruments, implants, machines, parts for machines and other components for medical technology, the automotive industry, mechanical engineering, semiconductor technology, the decorative sector and the tool sector; treatment of materials, namely, processing of surfaces by means of hot processing, physical and/or chemical vapour deposition and ion and plasma-assisted processes, in particular for goods of quartz glass and technical ceramics, namely, tools, medical apparatus, instruments, implants, machines, parts for machines and other components for medical technology, the automotive industry, mechanical engineering, semiconductor technology, the decorative sector and the tool sector; material modification, namely, modification of surfaces of glass and ceramics by means of CNC machines, in particular for tools, medical apparatus, instruments, implants, machines, parts for machines and other components for medical technology, the automotive industry, mechanical engineering, semiconductor technology, the decorative sector and the tool sector; material modification, namely, modification of surfaces by means of polishing machines, sandblasting machines, in particular for tools, medical apparatus, instruments, implants, machines, machine parts and other components, in relation to the following fields, medical technology, automotive industry, mechanical engineering, semiconductor technology, decorating, tools; providing materials with a coating, namely, coating of surfaces by means of physical and/or chemical vapour deposition and ion and plasma-assisted processes; removal of process-related material deposits or the sealing of scratches and surface defects by fire polishing; customised manufacturing, custom manufacturing, namely, in relation to the following goods, electrical and medical components, of glass and ceramics; custom manufacture in clean rooms, for others, in relation to the following goods, technical goods, namely, electrical components, electronic components, electronic semi-conductors, semiconductor devices, process tubes, process chambers, plates and frames for semiconductors, test tubes, photovoltaic installations, photovoltaic reference cells, medical instruments, medical apparatus, of quartz glass and ceramics; decontamination of hazardous materials