High-resolution ion chamber

Details High-resolution ion chamber High-resolution ion chamber

2009-08-18

2011-10-25

Hannaher, Constantine (Department: 2884)

Radiant energy

Invisible radiant energy responsive electric signalling

Including a radiant energy responsive gas discharge device

C250S374000

Reexamination Certificate

active

08044365

ABSTRACT:
Nested ionization chambers provide independent measurements of a radiation beam that does not fully irradiate the volume of one or both chambers. By mathematically combining these independent measurements, partial volume effects caused by a change in ionization detector calibrations when the full detector volume is not irradiated by the radiation beam, may be decreased, providing more accurate measurement of extremely small radiation beams.

REFERENCES:
patent: 2445305 (1948-07-01), Hochgesang
patent: 2756348 (1956-07-01), Schneider
patent: 3119036 (1964-01-01), Braestrup et al.
patent: 3729631 (1973-04-01), Pszona
patent: 58174876 (1983-10-01), None
patent: 11038143 (1999-02-01), None

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