Robert R Yoder

US Patent:

20090321650, Dec 31, 2009

Filed:

Apr 22, 2008

Appl. No.:

12/107675

Inventors:

Steven P. Kadner - Albuquerque NM, US
Markku J. Koskelo - Albuquerque NM, US
Robert Craig Yoder - Crown Point IN, US

International Classification:

G01T 1/16
G01T 1/24
G01T 3/00

US Classification:

250362, 250361 R, 25037005, 250371, 250391, 250392, 25039003, 25037007

Abstract:

A radiation detection blanket for use in surveying a broad or irregular area of interest for radiation emissions. Small radiation detectors are affixed to the fabric and distributed relative to its surface area. The detector materials may be of the OSL, TLD, or ERD variety, or may be a combination of OSL, TLD and ERD. Detector materials having varying thicknesses of high Z coatings may be clustered together in the blanket fabric to yield a gamma radiation spectrum. Use of a converter material on the detector material allows the blanket to detect neutron radiation. The blanket includes specialized transmission means for allowing the detector materials to be read individually, by passing the reader along a surface or along an edge of the blanket. A composite radiation measurement is obtained upon reading the individual detectors, allowing determination of the radiation distribution within the object being surveyed by the blanket.