Radiation attenuation gauge with magnetically coupled source
Patent
·
OSTI ID:863111
- Knoxville, TN
A radiaton attenuation gauge for measuring thickness and density of a material comprises, in combination, a source of gamma radiation contained within a housing comprising magnetic or ferromagnetic material, and a means for measuring the intensity of gamma radiation. The measuring means has an aperture and magnetic means disposed adjacent to the aperture for attracting and holding the housed source in position before the aperture. The material to be measured is disposed between the source and the measuring means.
- Research Organization:
- Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
- DOE Contract Number:
- W-7405-ENG-26
- Assignee:
- United States of America as represented by United States (Washington, DC)
- Patent Number(s):
- US 4095106
- OSTI ID:
- 863111
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
radiation
attenuation
gauge
magnetically
coupled
source
radiaton
measuring
thickness
density
material
comprises
combination
gamma
contained
housing
comprising
magnetic
ferromagnetic
means
intensity
aperture
disposed
adjacent
attracting
holding
housed
position
measured
means disposed
disposed adjacent
gamma radiation
material comprises
magnetic material
magnetically coupled
ferromagnetic material
radiation attenuation
measuring means
measuring thickness
attenuation gauge
/378/250/
attenuation
gauge
magnetically
coupled
source
radiaton
measuring
thickness
density
material
comprises
combination
gamma
contained
housing
comprising
magnetic
ferromagnetic
means
intensity
aperture
disposed
adjacent
attracting
holding
housed
position
measured
means disposed
disposed adjacent
gamma radiation
material comprises
magnetic material
magnetically coupled
ferromagnetic material
radiation attenuation
measuring means
measuring thickness
attenuation gauge
/378/250/