1. National Institute of Research and Development in Mechatronics and Measurement Technique, INCDMTM,Mechatronic Micro and Nano-technologies Department,Bucharest,Romania
2. Research Centre for Advanced Surface Processing and Analysis by Vacuum Technologies, National Institute of Research and Development for Optoelectronics, INOE 2000,Bucharest,Romania
3. SC MGM Star Construct SRL,Bucharest,Romania