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Direct-Viewing Memory Tube

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2 Author(s)
S. T. Smith ; Hughes Research and Development Laboratories, Culver City, Calif.; formerly Naval Research Laboratory, Washington, D.C. ; H. E. Brown

The Haeff memory tube is modified by using a mesh-screen storage surface in combination with a relatively high-potential viewing screen. Electrons which pass through positive areas of the storage surface are therefore accelerated to produce an intensified image of the charge pattern. An image brightness of 70 fl has been demonstrated. Contrast, writing speed, resolution, persistence, and electrical output are discussed. Further development work is needed to produce more uniform storage screens, better electron guns, and to adapt the tubes for specific requirements.

Published in:

Proceedings of the IRE  (Volume:41 ,  Issue: 9 )