Apparatus and method for detecting α-ray

Details Apparatus and method for detecting α-ray Apparatus and method for detecting α-ray

2007-01-09

2007-01-09

Gabor, Otilia (Department: 2884)

Radiant energy

Invisible radiant energy responsive electric signalling

Semiconductor system

Reexamination Certificate

active

10810802

ABSTRACT:
An α-ray measuring apparatus is provided for accurately analyzing the energy of a trace of α-rays emitted from a sample in a short time using semiconductor detectors which excel in energy resolution. The α-ray measuring apparatus comprises an α-ray detector including a plurality of semiconductor detectors, an adder for adding output signals from the respective semiconductor detectors, an anticoincidence counter for anticoincidently counting the output signals from the respective semiconductor detectors, and a peak analyzer for analyzing an energy distribution of the α-rays based on an addition of the output signals from the semiconductor detectors which are not anticoincidently counted. Since the output signals from the plurality of semiconductor detectors are added to increase the area of a sample under measurement and also remove background noise, the α-ray measuring apparatus can more accurately analyze the energy of the α-rays while reducing a measuring time.

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“Radiation Handling Techniques,” edited by Japan Atomic Industrial Forum, May 26, 1998, pp. 224-225.

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