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Title: High speed curved position sensitive detector

Abstract

A high speed curved position sensitive porportional counter detector for use in x-ray diffraction, the detection of 5-20 keV photons and the like. The detector employs a planar anode assembly of a plurality of parallel metallic wires. This anode assembly is supported between two cathode planes, with at least one of these cathode planes having a serpentine resistive path in the form of a meander having legs generally perpendicular to the anode wires. This meander is produced by special microelectronic fabrication techniques whereby the meander "wire" fans outwardly at the cathode ends to produce the curved aspect of the detector, and the legs of the meander are small in cross-section and very closely spaced whereby a spatial resolution of about 50 .mu.m can be achieved. All of the other performance characteristics are about as good or better than conventional position sensitive proportional counter type detectors. Count rates of up to 40,000 counts per second with 0.5 .mu.s shaping time constants are achieved.

Inventors:
 [1];  [2]
  1. Montgomery County, VA
  2. Knox County, TN
Issue Date:
Research Org.:
TECHNOLOGY FOR ENERGY CORP
OSTI Identifier:
866942
Patent Number(s):
4827135
Assignee:
Technology for Energy Corporation (Knoxville, TN)
DOE Contract Number:  
AC05-83ER80019
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
speed; curved; position; sensitive; detector; porportional; counter; x-ray; diffraction; detection; 5-20; kev; photons; employs; planar; anode; assembly; plurality; parallel; metallic; wires; supported; cathode; planes; serpentine; resistive; path; form; meander; legs; perpendicular; produced; special; microelectronic; fabrication; techniques; whereby; wire; fans; outwardly; produce; aspect; cross-section; closely; spaced; spatial; resolution; 50; achieved; performance; characteristics; conventional; proportional; type; detectors; count; rates; 40; 000; counts; shaping; time; constants; performance characteristics; microelectronic fabrication; anode assembly; proportional counter; x-ray diffraction; position sensitive; spatial resolution; closely spaced; fabrication techniques; anode wire; count rate; sensitive detector; time constant; count rates; cathode plane; anode wires; sensitive proportional; performance characteristic; parallel metal; speed curved; type detector; planar anode; curved position; /250/313/

Citation Formats

Hendricks, Robert W, and Wilson, Jack W. High speed curved position sensitive detector. United States: N. p., 1989. Web.
Hendricks, Robert W, & Wilson, Jack W. High speed curved position sensitive detector. United States.
Hendricks, Robert W, and Wilson, Jack W. Sun . "High speed curved position sensitive detector". United States. https://www.osti.gov/servlets/purl/866942.
@article{osti_866942,
title = {High speed curved position sensitive detector},
author = {Hendricks, Robert W and Wilson, Jack W},
abstractNote = {A high speed curved position sensitive porportional counter detector for use in x-ray diffraction, the detection of 5-20 keV photons and the like. The detector employs a planar anode assembly of a plurality of parallel metallic wires. This anode assembly is supported between two cathode planes, with at least one of these cathode planes having a serpentine resistive path in the form of a meander having legs generally perpendicular to the anode wires. This meander is produced by special microelectronic fabrication techniques whereby the meander "wire" fans outwardly at the cathode ends to produce the curved aspect of the detector, and the legs of the meander are small in cross-section and very closely spaced whereby a spatial resolution of about 50 .mu.m can be achieved. All of the other performance characteristics are about as good or better than conventional position sensitive proportional counter type detectors. Count rates of up to 40,000 counts per second with 0.5 .mu.s shaping time constants are achieved.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1989},
month = {1}
}

Patent:

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