37 [ installation, repair and maintenance of the machines for the production, processing and testing of electronic, micromechanical and optical components, and of the optical, electrical and electronic equipment for the production, processing and testing of electronic, micromechanical and optomechanical components and, in particular, semi-conductors and micromechanical components in the nature of mask adjusting devices, wafer samplers, bonders, coaters, and interlinked systems, namely, mask aligners comprising eye-pieces or dual video, microscopes and monitors, lithography clusters comprising mask aligner modules linked to a spin-coating apparatus designed for wafer bumping and wafer level packaging, bonders comprising centre push-ins, disposable and exchangeable plates, electrodes, monitors; cleaners, comprising megasonic nozzles and optical-chemical cleaners, chucks, infra-red light sources, CCD camera; wafer mounting apparatus, comprising process modules which can be used for processes such as pre-cleaning, adhesive coating, heating, wafer mounting, cooling and final cleaning; probed apparatus equipped with a laser cutter or emission microscopes and working with software; test devices for optoelectronics comprising special fiber positioning apparatus, integrating spheres, chuck fixtures for laser bar handling, graphical user interfaces, physical sensors, accelerometers and microphones, software and flexible tools for pattern recognition; installation, maintenance, upgrading, repair of goods in the field of microtechnology ]