2.5D

Printed circuits, chips (integrated circuits), circuit boards, multi-layered circuit boards, flexible circuit boards, semi-flexible circuit boards, rigid-flexible circuit boards, double sided circuit boards, semiconductors, smart cards (cards with integrated circuits), parts for all aforementioned goods

Design of computer systems, namely of printed circuits, chips (integrated circuits) and circuit boards, draft, development, technical planning and technical control of printed circuits, chips (integrated circuits), circuit boards, flexible circuit boards, multi-layered circuit boards, semi-flexible circuit boards, rigid-flexible circuit boards, double sided circuit boards, semiconductors and smart cards (cards with integrated circuits)