Getter pump for hydrogen maser

Details Getter pump for hydrogen maser Getter pump for hydrogen maser

1978-08-10

1980-06-24

Moskowitz, Nelson

Amplifiers

Parametric amplifiers

Semiconductor type

2521816, H01S 106

Patent

active

042097525

ABSTRACT:
An improved getter for a hydrogen maser comprised of screened particles of zirconium-aluminum alloy. One or more pump bodies are connected with a hydrogen maser and each pump body contains a quantity of Zr-Al alloy particles. One or more screens are provided in a passageway connecting a pump body with a maser to allow passage of hydrogen into the pump body but preventing, in a zero-g environment, the alloy particles from leaving the pump body. The Zr-Al alloy particles are activated by heating.

REFERENCES:
patent: 2295694 (1942-09-01), Slack et al.
patent: 2972697 (1961-02-01), Johnson et al.
patent: 3210673 (1965-10-01), Hoffmann
patent: 3255423 (1966-06-01), Ramsey et al.
patent: 3287660 (1966-11-01), Robinson
patent: 3992685 (1976-11-01), Ogren et al.
Papa et al. "A Study to Identify Hydrogen Maser Failure Mode," 6/4/76, pp. 89-492, Proceeding of the 30th Annual Symposium on Frequency Control, Atlantic City, N.J. Abstract.

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