Secondary electron multiplier

Secondary-emissive layers

Segmented cold cathode display panel

Segmented photomultiplier tube

Segmented photomultiplier tube with at least two ways disposed o

Segmented photomultiplier tube with high collection efficiency a

Sheet-type dynode electron multiplier and photomultiplier tube c

Shield cup to cage assembly connecting tab member for photomulti

Shock resistant cascaded microchannel plate assemblies and metho

Short wavelength infrared cathode

Shortened profile photomultiplier tube with focusing electrode

Side-on type photomultiplier

Silicon vacuum electron devices

Solid dynode structure for photomultiplier

Streak tube

Strip microchannel electron multiplier array support structure

Structure for a multiple section photomultiplier tube

Support structure for vacuum tube components

Surface structures for halo reduction in electron bombarded...

System for enhanced vision employing an improved image...