TARGET, APPARATUS AND PROCESS FOR THE MANUFACTURE OF MOLYBDENUM-100 TARGETS

TARGET, APPARATUS AND PROCESS FOR THE MANUFACTURE OF MOLYBDENUM-100 TARGETS

Apparatuses and methods for production of molybdenum targets, and the formed molybdenum targets, used to produce Tc-99m are described. The target includes a copper support plate having a front face and a back face. The copper support plate desirably has dimensions of thickness of about 2.8 mm, a len...

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Bibliographische Detailangaben
Hauptverfasser: JOHNSON Richard Ray, MCRAE Glenn, ABEYSEKERA Brian, MATEI Lidia, GELBART William Z
Format: Patent
Sprache:eng
Schlagworte:
CONVERSION OF CHEMICAL ELEMENTS
ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
NUCLEAR ENGINEERING
NUCLEAR PHYSICS
PHYSICS
PLASMA TECHNIQUE
PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OFNEUTRONS
PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMICBEAMS
RADIOACTIVE SOURCES
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Beschreibung
Zusammenfassung:Apparatuses and methods for production of molybdenum targets, and the formed molybdenum targets, used to produce Tc-99m are described. The target includes a copper support plate having a front face and a back face. The copper support plate desirably has dimensions of thickness of about 2.8 mm, a length of about 65 mm and a width of about 30 mm; and the copper support plate desirably has either a circular or an elliptical cavity centrally formed therein by pressing molybdenum powder into the front face with a depth of about 200-400 microns. Also, the copper support plate includes cooling channels dispensed at the back face; wherein the copper support plate is water cooled by a flow of water during irradiation by a proton beam. Molybdenum powder is embedded and compressed onto the cavity of the copper support plate thereby creating a thin layer of molybdenum onto the copper support plate.