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Bakeout controller for the use of helium closed-cycle refrigerators in ultrahigh vacuum applications

Celii, Francis G. and Whitmore, Paul M. and Janda, Kenneth C. (1986) Bakeout controller for the use of helium closed-cycle refrigerators in ultrahigh vacuum applications. Journal of Vacuum Science and Technology A, 4 (4). pp. 1939-1941. ISSN 0734-2101. http://resolver.caltech.edu/CaltechAUTHORS:CELjvsta86

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Abstract

imple control electronics are described which provide automated bakeout of an ultrahigh vacuum (UHV) chamber equipped with a helium closed-cycle refrigerator. By preventing the refrigerator from reaching elevated temperatures (T>50 °C) during bakeout, these devices can be utilized in the ultrahigh vacuum environment.


Item Type:Article
Additional Information:© 1986 American Vacuum Society. We are grateful to Professor Sten Samson for advice on low-temperature techniques, as well as for the thermocouple wire and the loan of a Si diode system for temperature calibration. This work was supported by the United States Office of Naval Research. Arthur Amos Noyes Laboratory of Chemical Physics, Contribution No. 7236. [F.G.C. was an] Atlantic Richfield Foundation Fellow. [K.C.J. was a] Camille and Henry Dreyfus Foundation Fellow.
Record Number:CaltechAUTHORS:CELjvsta86
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:CELjvsta86
Alternative URL:http://dx.doi.org/10.1116/1.573750
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:10916
Collection:CaltechAUTHORS
Deposited By: Archive Administrator
Deposited On:16 Jun 2008
Last Modified:26 Dec 2012 10:06

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