NEW SWITCHING CONCEPTS.
Quarterly progress rept. no. 5, 1 Jun-31 Aug 65,
EDGERTON GERMESHAUSEN AND GRIER INC BEDFORD MA SYSTEMS DIV
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Two experimental vacuum switch tubes were constructed and additional testing and evaluation was continued on a previously constructed tube. Measurements of the tube performance as a function of the voltage applied to the central section of a three-segment drift tube indicate that a reduction in the drift tube length by 20 is required so that the location of the beam waist will coincide with the mid-plane between electron gun and collector. A secondary emission suppressor grid with a higher transmission and with good mechanical rigidity has been incorporated into the latest tube. The analog computer plots show that the gun design for the convergent beam switch tube is close to optimum. The limiting resolution and capabilities of the analog computer have been approached with this gun design, so that it is almost impossible to accurately predict the effect of additional small refinements to the electron gun design with the analog computer. Digital computer analysis at the University of Michigan indicates that the electron trajectories in the gun region have 100 laminarity. The small amount of non-laminarity in the collector region is probably due to aberrant effects of the anode aperture electron lens. Author
- Electrical and Electronic Equipment