Gamma camera fitted with a pin-hole cone for photographic type acquistion
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United States of America Patent
Stats
-
Dec 31, 1991
Grant Date -
N/A
app pub date -
Oct 25, 1990
filing date -
Nov 2, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A gamma camera of the invention fitted with a pin-hole cone for acquiring photographic type images, i.e. having a tungsten end fitting disposed at the small end of a truncated cone and provided with a pin-hole therethrough, is suitable for forming a point image of an object to be observed on the basis of gamma radiation emitted therefrom, transmitted through the pin-hole and magnified on reaching the inlet to the scintillator. The truncated cone is modular in structure: the pin-hole cone is mainly constituted by a base, a first truncated cone of suitable thickness for stopping low energy gamma radiation, and a second truncated cone superposable at will on the first so that the assembled cones are of sufficient thickness to stop high energy gamma radiation.
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Cited Art Landscape
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