Photomultiplier for well-logging tool

A photomultiplier includes a tube and plurality of dynodes within the tube and including at least one first dynode and at least one second dynode. A respective insulator is between adjacent pairs of dynodes. The at least one first dynode includes a conductive outer ring and a medial conductive membe...

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1. Verfasser:	STEPHENSON KENNETH E
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS DETECTING MASSES OR OBJECTS ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS ELECTRICITY GEOPHYSICS GRAVITATIONAL MEASUREMENTS MEASURING PHYSICS TESTING
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creator	STEPHENSON KENNETH E
description	A photomultiplier includes a tube and plurality of dynodes within the tube and including at least one first dynode and at least one second dynode. A respective insulator is between adjacent pairs of dynodes. The at least one first dynode includes a conductive outer ring and a medial conductive member coupled to the conductive outer ring in spaced relation therefrom. The at least one second dynode includes a conductive outer ring and a conductive inner ring supported within the conductive outer ring.
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subjects	BASIC ELECTRIC ELEMENTS DETECTING MASSES OR OBJECTS ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS ELECTRICITY GEOPHYSICS GRAVITATIONAL MEASUREMENTS MEASURING PHYSICS TESTING
title	Photomultiplier for well-logging tool
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