Title:
NEUTRON DETECTOR
Document Type and Number:
Japanese Patent JP3960232
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a compact and lightweight neutron detector capable of measuring the dose and the dose rate of neutrons, and estimating the energy thereof.
SOLUTION: The neutron detector comprises a medium to fast neutron detection unit 4 to detect neutrons by a silicon detection element 42 with a polyethylene radiator 41 disposed above a sensing unit, a thermal neutron detection unit 5 to detect neutrons by a silicon detection element 42 with a boron film 51 deposited on the sensing unit, a fast neutron detection unit 6 to detect neutrons by the silicon detection element 42 itself, a signal processing circuit to output the dose value and the energy value, and an accessory circuit 3a or the like. By providing the fast-neutron detection unit 6, the neutron energy can be estimated from the ratio of the counted values of the former two units.
Inventors:
Go Ishikura
Application Number:
JP2003024691A
Publication Date:
August 15, 2007
Filing Date:
January 31, 2003
Export Citation:
Assignee:
Fuji Electric Systems Co., Ltd.
International Classes:
G01T1/36; G01T1/24; G01T3/08; (IPC1-7): G01T1/36; G01T1/24; G01T3/08
Domestic Patent References:
| JP2001525933A | ||||
| JP50025831B1 | ||||
| JP2000206261A | ||||
| JP60240161A | ||||
| JP7012939A | ||||
| JP5232234A |
Attorney, Agent or Firm:
Hiroshi Yamamoto