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1. 发明授权

US11733409B2 Neutron imaging system having neutron shield 有权
公开(公告)号：US11733409B2
公开(公告)日：2023-08-22
申请号：US17739841
申请日：2022-05-09
申请人： Photonis Scientific, Inc.
发明人： Brian White , W. Bruce Feller , R. Gregory Downing
IPC分类号： G01T3/08 , G01T3/00 , G01T1/28 , H01J31/50
CPC分类号： G01T3/085 , G01T1/28 , G01T3/00 , H01J31/50
摘要： A neutron imaging system includes a neutron generator, a flight tube, a stage, a neutron imaging module, and a neutron shield. The flight tube enables neutrons from the neutron generator to enter the flight tube through an input opening and exit through an output opening. The stage supports a sample object to receive neutrons that pass through the entire length of the flight tube and the output opening. The neutron imaging module has a neutron-sensitive component that receives neutrons that pass through the sample object and generates neutron detection signals. The neutron shield surrounds at least a portion of the flight tube and the neutron imaging module to block at least a portion of stray neutrons that travel toward the neutron-sensitive component of the neutron imaging module, in which the stray neutrons do not enter the flight tube through the input opening of the flight tube.

2. 发明申请

US20220342097A1 NEUTRON IMAGING SYSTEM HAVING NEUTRON SHIELD 有权
公开(公告)号：US20220342097A1
公开(公告)日：2022-10-27
申请号：US17739841
申请日：2022-05-09
申请人： Photonis Scientific, Inc.
发明人： Brian White , W. Bruce Feller , R. Gregory Downing
IPC分类号： G01T3/08 , G01T1/28 , G01T3/00 , H01J31/50
摘要： A neutron imaging system includes a neutron generator, a flight tube, a stage, a neutron imaging module, and a neutron shield. The neutron generator is configured to provide neutrons. The flight tube has an input opening, an output opening, and a flight tube wall extending from the input opening to the output opening. The flight tube is positioned relative to the neutron generator to enable neutrons from the neutron generator to enter the flight tube through the input opening and exit the flight tube through the output opening. The stage is configured to support a sample object at a position to receive neutrons that pass through the entire length of the flight tube and then pass through the output opening of the flight tube. The neutron imaging module has a neutron-sensitive component that is sensitive to neutrons and configured to receive neutrons that pass through the sample object and generate neutron detection signals that can be used to generate an image or video of the sample object. The neutron shield surrounds at least a portion of the flight tube and at least a portion of the neutron imaging module to block at least a portion of stray neutrons that travel toward the neutron-sensitive component of the neutron imaging module, in which the stray neutrons do not enter the flight tube through the input opening of the flight tube.

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