Method of fabricating an image pick-up tube and target section u
Method of making the cathode of a diode image intensifier tube,
Millimeter imaging device
Photocathode support of corundum with layer of barium boroalumin
Photocathode with plurality of concentric conducting rings
Radioluscent window structures
Ultraviolet light generation
Vacuum-tight, electrical connection for the photocathode in an i
X-ray or .gamma.-ray image tube