Photomultiplier tube having a plurality of sensing areas

Photomultiplier tube having a stress isolation cage assembly

Photomultiplier tube having directional alkali metal vapor evapo

Photomultiplier with dynode support structure

Phototube having apertured electrode recessed in cup-shaped elec

Phototube having domed mesh with non-uniform apertures

Phototube having improved electron collection efficiency

Pip inverter tube cathode housing

Proportional counter end effects eliminator

Radiation counter

Radiation detecting arrangement for counting an ionizing radiati

Radiation detector using double amplification

Radiation detectors

Red sensitive photocathode having an aluminum oxide barrier laye

Semiconductor integrated circuit transistor detector array for c

Slit-scanning image converter tube

Streaking image tube with closely spaced photocathode, suppresso

Support structure for high voltage substrate

Thin antireflection coating for electro-optical device

X-ray detector