Device for calibrating a radiation detector system

Patent · Sat Jan 01 00:00:00 EST 1994

OSTI ID:869682

Mc Fee, Matthew C ^[1]; Kirkham, Tim J ^[2]; Johnson, Tippi H ^[3]

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1. New Ellenton, SC
2. Beech Island, SC
3. Aiken, SC

A device for testing a radiation detector system that includes at least two arrays of radiation detectors that are movable with respect to each other. The device includes a "shield plate" or shell, and an opposing "source plate" containing a source of ionizing radiation. Guides are attached to the outer surface of the shell for engaging the forward ends of the detectors, thereby reproducibly positioning the detectors with respect to the source and with respect to each other, thereby ensuring that a predetermined portion of the radiation emitted by the source passes through the shell and reaches the detectors. The shell is made of an hydrogenous material having approximately the same radiological attenuation characteristics as composite human tissue. The source represents a human organ such as the lungs, heart, kidneys, heart, liver, spleen, pancreas, thyroid, testes, prostate, or ovaries. The source includes a source of ionizing radiation having a long half-life and an activity that is within the range typically searched for in human subjects.

• Research Organization: Savannah River Site (SRS), Aiken, SC (United States)
• DOE Contract Number: AC09-89SR18035
• Assignee: United States of America as represented by United States (Washington, DC)
• Patent Number(s): US 5376803
• OSTI ID: 869682
• Country of Publication: United States
• Language: English

Related Subjects

device
calibrating
radiation
detector
testing
arrays
detectors
movable
respect
shield
plate
shell
opposing
source
containing
ionizing
guides
attached
outer
surface
engaging
forward
reproducibly
positioning
ensuring
predetermined
portion
emitted
passes
reaches
hydrogenous
material
approximately
radiological
attenuation
characteristics
composite
human
tissue
represents
organ
lungs
heart
kidneys
liver
spleen
pancreas
thyroid
testes
prostate
ovaries
half-life
activity
range
typically
searched
subjects
predetermined portion
outer surface
radiation detector
ionizing radiation
radiation detectors
radiation emitted
hydrogenous material
human tissue
/250/378/