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Recent work by the AWE Pulsed Power Group has been to implement a rod pinch diode on some of the UK lower voltage (800kV to 4MV) negative polarity pulse power drivers. The rod pinch diode is normally fielded on positive polarity drivers which eliminates stray emission from the cathode emitter to the surrounding support structure. All the UK radiographic machines operate in negative polarity and cannot...
RTFS (Radiographic Integrated Test Stand) is an induction voltage adder designed by Sandia and PSD to provide 16-MV, 150-kA electron beams and other capabilities. Previous publications have reported on tests of a single pulse forming line and adder cell, including initial results of the effects of various degrees of non-uniform injection of current into the adder bore on magnetic insulation and power...
The realization of a high-capacity whole-wafer memory is described, including wafer configuration, chip architecture, process technology, and performance. The wafer is essentially a single-ported serial memory device. An innovative concept which utilizes any defective chips free from power failures has made possible a high-yield wafer-scale memory. The wafer includes an array of chips which have a...
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