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
Shortened profile photomultiplier tube with focusing electrode
Side-on type photomultiplier
Solid dynode structure for photomultiplier
Structure for a multiple section photomultiplier tube
Venetian blind type secondary electron multiplier for secondary