Positron source, method of preparing the same, and automated system for supplying the same
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United States of America Patent
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-
Nov 19, 2002
Grant Date -
Nov 15, 2001
app pub date -
Jul 19, 2001
filing date -
Sep 2, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The present invention provides a positron source essentially consisting of a carbon member having .sup.18 F bound onto the surface thereof, a method of a preparing the same, and an automated system for supplying the same. In the present invention, the positron source is prepared by irradiating a solution 35 containing both H.sub.2.sup.18 O and a small amount of natural fluorine ions with a beam of charged particles to generate .sup.18 F, and then passing an electric current through the solution 35 using a carbon member 40 as an anode to cause to bind the generated .sup.18 F onto the surface of the carbon member 40.
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