Abstract
Performance characteristics and design of a hot-cathode magnetron getter-ion pump are described. The data on the ion current outputs (l+p ratio) for 2.5 cm and 4.5 cm cells are given as functions of the anode, repeller, and collector voltages and magnetic fieldstrength. The magnetic fieldstrength at cutoff varies from 40 to about 200 gauss. The optimum l+p ratio equals or exceeds the l/p ratio of single-cell as well as multi-cell Penning-type getter-ion pumps of the same size. A decrease of the l+/p ratio at low pressures does not occur. The sticking probability for argon is 0.75, which is about ten times the sticking probability obtained in sputter-ion pumps. Argon instability has not been observed, even after prolonged argon pumping at 3.10−5 torr.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
