Radiation detecting unit and radiation inspecting apparatus

A radiation detection and inspection device technology, applied in the field of radiation detection units and radiation inspection devices, can solve the problems of the influence of the positioning accuracy of the semiconductor detection element 105, the difficulty in configuring the semiconductor detection element 105 with good accuracy, and the increase in the cost of the substrate 106, etc., to achieve Fine inspection, good precision, effect of improved spatial resolution
CN101326449AInactive Publication Date: 2008-12-17SUMITOMO HEAVY IND LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
SUMITOMO HEAVY IND LTD
Publication Date
2008-12-17
Estimated Expiration
Not applicable · inactive patent

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Abstract

A detecting board (22) is provided with a wiring board (24), a semiconductor detecting element (25) firmly fixed on the upper plane of the wiring board (24) for detecting radiation and a spacer (28) firmly fixed on the upper plane of the wiring board (24), and a plurality of detecting boards are stacked and fixed. On each of the detecting boards (22), the semiconductor detecting element (25) and the spacer (28) are arranged to have a prescribed positional relationship. Furthermore, the detecting boards (22) are stacked by being aligned by the spacers (28) on an X-Y plane, and are fixed by fixing members (23a, 23b). The spacer (28) is provided with a step section (28e) so that the lower plane of the wiring board (24) is not brought into contact with the spacer (28) under the lower plane, and in the vertical direction, the spacers (28) are positioned by being brought into contact with each other.
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Description

technical field

[0001] The present invention relates to a radiation detection unit having a radiation semiconductor detection element and a radiation inspection apparatus using the same, and more particularly to a radiation detection unit and a radiation inspection apparatus for detecting gamma rays emitted from radioisotopes in a subject. Background technique

[0002] In recent years, tomography apparatuses have been widely used to obtain information on the inside of a living body (subject). Examples of X-ray tomography devices include X-ray computed tomography (X-ray CT) devices, magnetic resonance imaging devices, SPECT (single photon emission CT) devices, and positron emission tomography devices. (PET) device. The X-ray CT device irradiates narrow X-ray beams to a section of the subject from multiple directions, and detects the transmitted X-rays, and then calculates the spatial distribution of the X-ray absorption degree in the section through a computer, so that pict...

Claims

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