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Modification to the Automatic Ionization Chamber

Neher, H. V. and Johnston, Alan R. (1956) Modification to the Automatic Ionization Chamber. Review of Scientific Instruments, 27 (3). pp. 173-174. ISSN 0034-6748.

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The automatic ionization chamber has been described previously [1,2]. It has proven quite reliable in service and has many desirable features, especially for balloon-borne equipment. A disadvantage has been that the time of discharge was dependent upon the potential applied to the quartz fiber. Thus, during the comparison of the instrument to be used with the standards, careful measurement of the potential used on the standards was required. Furthermore, care was required to make sure that the battery used during the flight remained constant in potential. It has now been found that the time between rechargings can be made nearly independent of the potential of the fiber by inserting a metal conductor inside and insulating it from the outer conductor surrounding the quartz fiber, and making the potential of this inner conductor the same as that of the fiber.

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Additional Information:Copyright © 1956 American Institute of Physics. Received December 27, 1955. Assisted by the joint program of the Office of Naval Research and U.S. Atomic Energy Commission. Reproduction in whole or in part is permitted for any purpose of the United States Government.
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Office of Naval ResearchUNSPECIFIED
Atomic Energy CommissionUNSPECIFIED
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:11434
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Deposited On:14 Aug 2008 22:20
Last Modified:26 Dec 2012 10:14

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