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5930331 Compact high-intensity pulsed x-ray source, particularly for lithography  
A photoemissive photocathode, being a metal with a low work function and preferably tantalum-surfaced cesium-antimonide, is illuminated with pulses of 5320 Å laser light, typically 20 psec at a...
4950962 High voltage switch tube  
A high voltage switch tube with a central cathode cylindrically symmetric to and surrounded by a tubular anode, with a grid interposed between the cathode and anode. A high negative voltage is...
Matches 1 - 2 out of 2