Electrical and/or electronic components, in particular semiconductors, semiconductor components, semiconductor chips, also for light-emitting diodes (LEDs), semiconductor elements; lasers, not for medical purposes; light control systems; LED's, including organic ones; laser diodes, in particular power laser diodes; semiconductor power laser diodes, also for material processing; semiconductor components; fibre-optic (also LED-powered) light guides; optocouplers; optical sensors; light barriers...