Method and device for measuring the distribution of radioactivit

Details Method and device for measuring the distribution of radioactivit Method and device for measuring the distribution of radioactivit

1992-11-25

1994-09-13

Dzierzynski, Paul M.

Radiant energy

Invisible radiant energy responsive electric signalling

Including a radiant energy responsive gas discharge device

250374, G01T 1185

Patent

active

053471300

ABSTRACT:
A method and device for effecting a location-sensitive measurement of a flat sample of radiation emitting material having a plurality of partial areas, in which a screen plate having radiation passage openings is disposed between a detector and the sample; radiation emanating from a group of the partial areas is detected in accordance with the shape of the screen plate openings; information based on the detected radiation is stored; and then a relative displacement is effected between the sample and the detector and detecting and storing are repeated for another group of partial areas, so that the total measurement is composed of a plurality of such successively performed partial measurements which provide a measurement of the total distribution of radiation emitted by the sample. The screen plate is provided with a plurality of slits which constitute the passage openings and which extend in parallel with one another essentially across the entire width of the screen plate; each detecting operation involves a substantially simultaneous, location-sensitive measurement of strip-like partial areas of the sample which are in line with the slits; and said each relative displacement is effected between a detection operations exclusively in a direction transverse to the direction in which the slits extend.

REFERENCES:
patent: 3860821 (1975-01-01), Barrett
patent: 4965861 (1990-10-01), Filthuth
Radiochromatography--The Chromatography and Electrophoresis of Radiolabelled Compounds; T. R. Roberts, Journal of Chromatography Library--vol. 14, 1978.

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