Linear array detector system and inspection method

a detector system and detector technology, applied in the field of imaging systems, can solve problems such as limited flexibility of arrays
US20060067471A1Inactive Publication Date: 2006-03-30GENERAL ELECTRIC CO
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Patent Information

Authority / Receiving Office
US · United States
Patent Type
Applications(United States)
Current Assignee / Owner
GENERAL ELECTRIC CO
Publication Date
2006-03-30
Estimated Expiration
Not applicable · inactive patent

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Abstract

A linear array detector (LAD) for scanning an object is provided. The detector includes a scintillator layer configured for generating a number of optical signals representative of a fraction of an incident X-ray beam passing through the object. The plane of the scintillator is parallel to the X-ray beam. The LAD further includes a two dimensional array of photo-conversion elements configured to receive several X-rays of the X-ray beams and configured to generate corresponding electrical signals. An arrangement of the photo-conversion elements is independent of the X-ray paths.
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Description

BACKGROUND

[0001] The invention relates generally to imaging systems and more specifically to a method and system for acquiring images.

[0002] Many industrial inspection systems require very high detection efficiency, excellent signal-to-noise performance and coverage. In addition, it is desired that the overall cost of the industrial system is reasonable.

[0003] Linear detection arrays may be used for various low energy and high-energy x-ray inspection applications. Such detector arrays receive X-rays emitted by a source and passing through an object that is required to be scanned. Typically such arrays have limited flexibility as the detectors generally involve fixed geometry configurations.

[0004] Typically, such detectors include a scintillator layer and a photoconversion device. The photoconversion device has many photosensor elements. The photosensor elements are arranged based on one or more pre-determined paths that the X-rays follow. FIG. 1 is a block diagram of a conventio...

Claims

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