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Enhancement of s.e.c. target gain in television-camera tubes

Enhancement of s.e.c. target gain in television-camera tubes

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A temporary increase in the gain of an s.e.c. target has been found after the target has been flooded with imaging electrons while the reading beam is switched off. A qualitative theory to account for this enhancement is put forward. The production of negative images using this phenomenon is also described.

References

    1. 1)
      • G.W. Goetze , A.H. Boerio . Secondary electron conduction (s.e.c.) for signal amplification and storage in camera tubes. Proc. Inst. Elect. Electronics Engrs. , 1007 - 1012
    2. 2)
      • R.S. Filby , S.B. Mende , M.E. Rosenbloom , N.D. Twiddy . A new television camera intended for scientific applications having a very high sensitivity and good storage properties. Nature , 801 - 802
    3. 3)
      • R.S. Filby , S.B. Mende , N.D. Twiddy . The detection of faint optical images by charge integration. II: A new television camera, intended for scientific application, having a very high sensitivity and good storage properties. Internat. J. Electron. , 387 - 403
    4. 4)
      • D. McMullan , G.O. Towler . Stable s.e.c. target for television camera tubes. Electron. Lett. , 360 - 362
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