Composite gamma-neutron detection system

US9329285B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-9329285-B2
Application numberUS-201514597129-A
CountryUS
Kind codeB2
Filing dateJan 14, 2015
Priority dateJun 11, 2008
Publication dateMay 3, 2016
Grant dateMay 3, 2016

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Abstract

Official abstract text for this publication.

The present invention provides a gamma-neutron detector based on mixtures of thermal neutron absorbers that produce heavy-particle emission following thermal capture. In one configuration, B-10 based detector is used in a parallel electrode plate geometry that integrates neutron moderating sheets, such as polyethylene, on the back of the electrode plates to thermalize the neutrons and then detect them with high efficiency. The moderator can also be replaced with plastic scintillator sheets viewed with a large area photomultiplier tube to detect gamma-rays as well. The detector can be used in several scanning configurations including portal, drive-through, drive-by, handheld and backpack, etc.

First claim

Opening claim text (preview).

We claim: 1. A combination photon and neutron detector comprising a first layer comprising a scintillator; a second layer positioned below the first layer, said second layer comprising boron and configured to captured neutrons; a third layer positioned below the second layer, said third layer comprising boron and configured to capture neutrons; and a gas layer, positioned between the second and third layer, wherein, when a neutron is captured, the second and third layers emi…

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What does patent US9329285B2 cover?
The present invention provides a gamma-neutron detector based on mixtures of thermal neutron absorbers that produce heavy-particle emission following thermal capture. In one configuration, B-10 based detector is used in a parallel electrode plate geometry that integrates neutron moderating sheets, such as polyethylene, on the back of the electrode plates to thermalize the neutrons and then dete…
Who is the assignee on this patent?
Rapiscan Systems Inc
What technology area does this patent fall under?
Primary CPC classification G01T3/06. Mapped technology areas include Physics.
When was this patent published?
Publication date Tue May 03 2016 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).