Title:
NEUTRON SCINTILLATOR AND NEUTRON DETECTOR
Document Type and Number:
WIPO Patent Application WO/2015/064587
Kind Code:
A1
Abstract:
[Problem] To provide a neutron detector having a high neutron counting accuracy whereby neutrons can be accurately measured even in a field with a high dose of γ-rays as background noise.
[Solution] A neutron scintillator formed of a resin composition, said resin composition comprising an inorganic phosphor containing at least one kind of neutron-capturing isotope that is selected from lithium 6 and boron 10 such as Eu:LiCaAlF6 and a resin, wherein the resin composition contains 0.2-30 ×1018 atom/mm3 of lithium 6 and 0.05-8 ×1018 atom/mm3 of boron 10 and is in such a form that the average diameter of inscribed spheres is 5 mm or less; and a neutron scintillator formed of a resin-based composite, said resin-based composite comprising a plurality of parts formed of the aforesaid resin composition and supplementing part(s), in which the content of the neutron-capturing isotope is not more than 1/2 of the content of the neutron-capturing isotope in the resin composition, wherein the ratio of the distance between the centers of inscribed spheres in the individual parts formed of the resin composition to the sum of the diameters of the inscribed spheres therein is 1.2 or greater.
Inventors:
FUKUDA KENTARO (JP)
SAITO HIROAKI (JP)
SAITO HIROAKI (JP)
Application Number:
PCT/JP2014/078659
Publication Date:
May 07, 2015
Filing Date:
October 28, 2014
Export Citation:
Assignee:
TOKUYAMA CORP (JP)
International Classes:
G01T3/06; C09K11/00; C09K11/08; G01T1/20
Domestic Patent References:
| WO2012133796A1 | 2012-10-04 |
Foreign References:
| JP2007517949A | 2007-07-05 | |||
| JP2007024629A | 2007-02-01 | |||
| JP2007070496A | 2007-03-22 |
Other References:
DAI SUGIMOTO ET AL.: "Study on neutron detector using a rubber dispersing small pieces of LiCaAlF6 scintillator", DAI 74 KAI THE JAPAN SOCIETY OF APPLIED PHYSICS SHUKI GAKUJUTSU KOENKAI KOEN YOKOSHU, 16 September 2013 (2013-09-16), pages 02 - 044, XP055349788
See also references of EP 3064965A4
See also references of EP 3064965A4
Attorney, Agent or Firm:
MAEDA & SUZUKI (JP)
Maeda and a Suzuki international patent business corporation (JP)
Maeda and a Suzuki international patent business corporation (JP)
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