OPTISCHE NACHRICHTENTECHNIK + PHOTONIK (NACHRICHTENTECHNIK); OPTISCHE SIGNALÜBERTRAGUNG (OPTISCHE NACHRICHTENTECHNIK); HIGH-ELECTRON-MOBILITY TRANSISTORS, HEMT (ELEKTRONIK); FLIP-CHIP-TECHNIK + FLIP-CHIP-MONTAGE (MIKROELEKTRONIK); MONOLITHISCHE MIKROWELLEN-INTEGRIERTE SCHALTUNGEN, MMIC (MIKROELEKTRONIK); HIGH-ELECTRON-MOBILITY TRANSISTORS, HEMT (ELEKTRONIK); OPTICAL TELECOMMUNICATIONS + PHOTONICS (TELECOMMUNICATIONS); OPTICAL SIGNAL TRANSMISSION (OPTICAL TELECOMMUNICATIONS); HIGH-ELECTRON-MOBILITY TRANSISTORS, HEMT (ELECTRONICS); FLIP CHIP TECHNOLOGY + FLIP CHIP ASSEMBLY (MICROELECTRONICS); MONOLITHIC MICROWAVE INTEGRATED CIRCUITS, MMIC (MICROELECTRONICS); HIGH-ELECTRON-MOBILITY TRANSISTORS, HEMT (ELECTRONICS)