METHOD OF PREPARING POLONIUM-BORON SOURCES
Patent
·
OSTI ID:4205198
An improved technique is described for preparation of a polonium-boron neutron source. A selected amount of Po-210 is vaporized into a thin walled nickel container, then the desired amcunt of boron powder is added. After sealing the container, it is heated quickly by induction heating to vaporize the Po-210 and deposit it in the still cool boron powder. The unit is then quickly cooled to prevent revaporization of the Po-210 from the boron. The build-up of neutron emission may be followed by means of a neutron counter in order to terminate the heating at the optimum level of neutron yield.
- Research Organization:
- Originating Research Org. not identified
- NSA Number:
- NSA-14-002856
- Assignee:
- U.S. Atomic Energy Commission
- Patent Number(s):
- US 2898473
- OSTI ID:
- 4205198
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
BORON-- COOLING-- EVAPORATION-- HEATING-- INDUCTION-- NEUTRON SOURCES-- POLONIUM 210-- PREPARATION
BORON-- COUNTERS-- EFFICIENCY-- EMISSION-- NEUTRON DETECTION-- NEUTRON SOURCES-- NEUTRONS-- POLONIUM 210-- PREPARATION
BORON-- EVAPORATION-- NEUTRON SOURCES-- NICKEL-- POLONIUM 210-- PREPARATION-- THICKNESS
BORON-- NEUTRON SOURCES-- NICKEL-- POLONIUM 210-- POWDERS-- PREPARATION
PHYSICS
BORON-- COUNTERS-- EFFICIENCY-- EMISSION-- NEUTRON DETECTION-- NEUTRON SOURCES-- NEUTRONS-- POLONIUM 210-- PREPARATION
BORON-- EVAPORATION-- NEUTRON SOURCES-- NICKEL-- POLONIUM 210-- PREPARATION-- THICKNESS
BORON-- NEUTRON SOURCES-- NICKEL-- POLONIUM 210-- POWDERS-- PREPARATION
PHYSICS