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PURPOSE:To specify the radiation source direction by containing a Geiger-Muller type detector in a shielding body having a conical opening of pi/2 solid angle. CONSTITUTION:In a container consisting of a shielding body 1 having a conical opening of pi/2 solid angle and a hemispherical shielding body...

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Bibliographische Detailangaben
Hauptverfasser:	OSUMI KATSUMI, KOBAYASHI MASATO
Format:	Patent
Sprache:	eng
Schlagworte:	MEASUREMENT OF NUCLEAR OR X-RADIATION MEASURING PHYSICS TESTING
Online-Zugang:	Volltext bestellen
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Beschreibung
Zusammenfassung:	PURPOSE:To specify the radiation source direction by containing a Geiger-Muller type detector in a shielding body having a conical opening of pi/2 solid angle. CONSTITUTION:In a container consisting of a shielding body 1 having a conical opening of pi/2 solid angle and a hemispherical shielding body 2, a Geiger-Muller detector 3 is placed. In order to prevent a radiant ray from invading from a part for taking out a detector cable 4, a shielding body 5 for the cable 4 is provided. In such a way, at the time of measuring a dosage rate of the radiant ray, the directivity which has divided equally a three-dimensional space into 6 directions of before and behind, right and left, and up and down is provided, therefore, labor for specifying the radiation source can be reduced.