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Proceedings Paper

Two-dimensional position-sensitive silicon detectors for the ACE Solar Isotope Spectrometer
Author(s): Mark E. Wiedenbeck; Eric R. Christian; Walter R. Cook; Alan C. Cummings; Brian L. Dougherty; Richard A. Leske; Richard A. Mewaldt; Edward C. Stone; Tycho T. von Rosenvinge
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Paper Abstract

Two-dimensional position-sensitive silicon detectors ('matrix detectors') have been designed, procured, and tested as part of the development of the solar isotope spectrometer (SIS) instrument for NASA's Advanced Composition Explorer (ACE) mission. Important characteristics of these devices include: thickness approximately 50 - 90 micrometer, active area 34 cm2, 64 strips on each surface with 1 mm strip pitch. The SIS instrument uses four such detectors, processing signals from each of the 512 individual strips with a separate 12-bit pulse height analyzer implemented with custom-designed VLSI circuits. A set of 25 matrix detectors have been characterized through a variety of tests intended both toe select the best candidates for use in the flight instrument and to provide the calibrations needed to interpret flight data. We discuss the design of the SIS matrix detectors and present selected results from the detector tests that have been performed.

Paper Details

Date Published: 18 October 1996
PDF: 12 pages
Proc. SPIE 2806, Gamma-Ray and Cosmic-Ray Detectors, Techniques, and Missions, (18 October 1996); doi: 10.1117/12.253977
Show Author Affiliations
Mark E. Wiedenbeck, Jet Propulsion Lab. (United States)
Eric R. Christian, NASA Goddard Space Flight Ctr. (United States)
Walter R. Cook, California Institute of Technology (United States)
Alan C. Cummings, California Institute of Technology (United States)
Brian L. Dougherty, Jet Propulsion Lab. (United States)
Richard A. Leske, California Institute of Technology (United States)
Richard A. Mewaldt, California Institute of Technology (United States)
Edward C. Stone, California Institute of Technology (United States)
Tycho T. von Rosenvinge, NASA Goddard Space Flight Ctr. (United States)


Published in SPIE Proceedings Vol. 2806:
Gamma-Ray and Cosmic-Ray Detectors, Techniques, and Missions
Brian D. Ramsey; Thomas A. Parnell, Editor(s)

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