Ion chamber with a flat sensitivity response characteristic

Details Ion chamber with a flat sensitivity response characteristic Ion chamber with a flat sensitivity response characteristic

1983-02-25

1986-05-20

DeMeo, Palmer C.

Electric lamp and discharge devices

Geiger-mueller type

313538, 250374, H01J 4702, H01J 4708

Patent

active

045904014

ABSTRACT:
An ion chamber exhibiting a flat response to a wide range of incident gamma energy is provided by a high-pressure fill gas mixture of a first major constituent, low atomic number gas which exhibits a reduced gamma response at low gamma energy levels, and a second minor constituent, high atomic number gas which exhibits an increased gamma response at low gamma energy levels. The preferred fill gas mixture is nitrogen as the major constituent and xenon as the minor constituent.

REFERENCES:
patent: 3092747 (1963-06-01), Fine et al.
patent: 3098944 (1963-07-01), Fox
patent: 3213312 (1965-10-01), Crowe et al.
patent: 3414726 (1968-12-01), Chameroy
patent: 3609435 (1971-09-01), Taylor
patent: 4047039 (1977-09-01), Houston

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