Radiant energy – Radiation controlling means – Shielded receptacles for radioactive sources
Patent
1975-02-13
1976-11-30
Dixon, Harold A.
Radiant energy
Radiation controlling means
Shielded receptacles for radioactive sources
250515, 250518, G21F 500, G21C 1100
Patent
active
039951634
ABSTRACT:
The portion of the shield of a neutron radiation apparatus which is situated nearest to the neutron source is made of tungsten. As a result, a commonly used outer shielding layer consisting of a heavy metal can be dispensed with, so that improved shielding and a substantial saving as regards weight are combined.
REFERENCES:
patent: 2287620 (1942-06-01), Kallmann et al.
patent: 3778627 (1973-12-01), Carpenter
patent: 3781564 (1973-12-01), Lundberg
Dixon Harold A.
Drumheller Ronald L.
Trifari Frank R.
U.S. Philips Corporation
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