Radiant energy – Invisible radiant energy responsive electric signalling – Including a radiant energy responsive gas discharge device
Patent
1988-10-17
1990-10-23
Howell, Janice A.
Radiant energy
Invisible radiant energy responsive electric signalling
Including a radiant energy responsive gas discharge device
250374, G01T 1185
Patent
active
049658611
ABSTRACT:
A two-dimensional proportional counter for position sensitive measurement of ionizing radiation in one plane comprises a counting chamber, in which a wire anode grid and at least one wire cathode grid are fastened spaced apart from one another and orthogonal to one another. The wires of these grids are connected directly to the windings of a continuous delay line to which the signals are fed for evaluation. The delay line has a continuous capacitor strip on its top. The dimensioning of the capacitor strip and of the other characteristic parameters of the delay line are slected such that the spacing of the grids from one another can be decreased to values below 2 mm, thus attaining a substantial increase in positional resolution, withou substantial impairment by the delay line of the form and amplitude of the pulses produced. Particularly simple and rapid measurement is attainable if a counting chamber of this design is combined with an automatic feed device for specimen plates, which in turn may also be coupled with a magazine, so that a certain number of specimen plates can be fed to the counting chamber completely automatically.
REFERENCES:
patent: 3772521 (1973-11-01), Perez-Mendez et al.
patent: 4019057 (1977-04-01), Bram
patent: 4649356 (1987-03-01), Kameya
patent: 4686368 (1987-08-01), Anderson et al.
Zanevsky et al., " . . . Proportional Chamber . . . For . . . TLC" Nulear Instrument & Meth. 153 (1978) p. 445.
IEEE Transactions on Nuclear Science, vol. NS-23, No. 1, Feb. 1976, Seiten 279-280, New York, USP. Lecomte et al.: "The delay line readout Technique Applied to Proportional Chambers Using Electronegative Gas Mixtures".
IEEE Transactivons on Nuclear Science, vol. NS--31, No. 1, Feb. 1984, Seiten 258--263, IEEE, New York, US;J-P. Richer et al.: "Cross talk in Multielectrode Particle detectors".
"The Delay Wire Chamber (DWC) Description", European Organization for Nuclear Research, CERN-LEP Division, Feb. 6, 1985, LEP/BI-TA/Note 85-3.
"Multiwire Proportional Chambers for Biomedical Application", Nuclear Instruments and Methods 106 (1978) 397-406.
"The Readout Metod For wire Chambers", Nuclear Instuments and Methods in Physics Research A237 (1987) pp. 470-472.
"Electromagnetic Delay Lines in Spark, Proportional and Drift Chamber Applications", Nuclear Instruments and Methods 153 (1978) pp. 543-551.
"A MWPC with a Cathode Coupled Delay Line Read-Out as Radioactivity Detector for DNA Repair Studies", Nuclear Instruments and Methods 190 (1981) pp. 627-638.
"Recent Developments in Delay Line Readout of Multiwire Proportional Chambers,", I.E.E.E. Transactions on Nuclear Science, vol. ns.21, No. 1, pp. 45-50, Feb. 1974.
"A Position Sensitive Microchannelplate Detector Using a Delay Line Readout Anode", Nuclear Instruments and Methods in Physics Research A258 (1987) 221-224.
"High-Count-Rate Porportional Counter for Soft X-Ray Position Detection", Rev. Sci. Instrum. 58(6), Jun. 1987, pp. 1077-1085.
"Linear, Circular and Two Dimensional Position Sensitive Detectors", Nuclear Instruments and Methods 152 (1978) 191-194.
"Multiwire Porportional Chamber Focal-Plane Detector", Nuclear Instuments and Methods 127 (1975) 29-39.
"Electromagnetic Delay Line Readout for Proportional Wire Chambers", Nuclear Instruments and Methods 89(1970) 257-262.
Hanig Richard
Howell Janice A.
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