OPTICAL, ELECTRICAL AND ELECTRONIC EQUIPMENT, IN PARTICULAR FOR THE TESTING OF ELECTRONIC, MICROMECHANICAL AND OPTO-MECHANICAL COMPONENTS, AND IN PARTICULAR SEMICONDUCTORS, SEMICONDUCTOR ELEMENTS AND MICROSTRUCTURE ELEMENTS, NAMELY, MASK ALIGNERS IN THE NATURE OF MACHINES FOR THE PATTERNING OF SEMICONDUCTORS, SEMICONDUCTOR ELEMENTS AND MICROSTRUCTURE ELEMENTS, TESTING APPARATUS FOR SEMICONDUCTORS, ELECTROSTATIC COATING MACHINES, AND APPARATUS FOR THE PRODUCTION OF MICRO CONNECTIONS AND MICRO ...