Gamma-ray imaging

Details Gamma-ray imaging Gamma-ray imaging

2005-02-22

2005-02-22

Hannaher, Constantine (Department: 2878)

Radiant energy

Invisible radiant energy responsive electric signalling

With or including a luminophor

C250S370090

Reexamination Certificate

active

06858848

ABSTRACT:
The specification describes an instrument and a method for determining information about an object (J), only one side of which is available for examination. The method involves exposing the object to gamma-rays and measuring the position and/or time of arrival of gamma-rays at a detector (D). The instrument includes a source of gamma-rays (S) located so that at least some gamma-rays impact upon the object, and a detector surrounded by a shield (C) having an aperture (A) for facing at the object to be studied. The detector is capable of measuring the position and/or time of arrival at the detector of gamma-rays passing through the aperture.

REFERENCES:
patent: 4124804 (1978-11-01), Mirell
patent: 4638158 (1987-01-01), Sonne et al.
patent: 5430787 (1995-07-01), Norton
patent: 5763886 (1998-06-01), Schulte
patent: 6424695 (2002-07-01), Grodzins et al.

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