74221998
Nov 13, 1991
Dec 1, 1992
integrated optical components for data transmission, data processing, optical signal processing and amplification in optical data nets, sensor systems and measurement systems; optoelectronic devices for communication technique, sensor technique, optical measurement technique and optical power transmissions; hermetical fiber feed through (transmission and waveguide fiber in vacuum sealed glass feed through); integrated optical chips; electron beam written masks for integrated optics
Electrical and Scientific Apparatus