Color separation filter including monomolecular film layers of c
Color stripe filter with two protective layers
Conductive coating for an image intensifier tube microchannel pl
Contact device for the photocathode of photoelectric tubes and m
Diamond supported photocathodes for electron sources
Display device with photoconductive coating
Doped photoconductive film comprising selenium and tellurium
Electron optical system with a magnetic focusing and electromagn
Electron tube having a semiconductor cathode with lower and...
Electron tube having electrode centering means
Face plate for color pick-up tube
Ferroelectric or pyroelectric sensor utilizing a sodium nitrite
Fiber optic phosphor screen and a method of manufacturing the sa
Framing camera
Grid having reduced secondary emission characteristics and elect
Ground plane insulating coating for proximity focused devices
High contrast cathode ray display tube
High-performance photocathode
Image converter tube with means of prevention for stray glimmer
Image intensifier for producing a color image having a color sep