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Proceedings Paper

Microstrip detector development for x-ray astronomy
Author(s): Melinda Ann Fulton; Brian D. Ramsey; Jeffery J. Kolodziejczak
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Paper Abstract

Microstrips offer significant advantages over traditional wire grids in gas-filled proportional counters in the areas of energy resolution, durability, and spatial uniformity. The objective of microstrip work at Marshall Space Flight Center is to produce a large area (30 cm square) microstrip with optimized parameters for use in hard x-ray astronomy balloon-borne detectors. MSFC facilities for producing microstrips are used to investigate effects on performance of various parameters such as anode width, anode uniformity, cathode-anode spacing, and substrate conductivity. Mechanical production limitations of 10 cm squares have spawned efforts to piece together several small microstrips to form a `mosaic' pattern which will be large enough for use in an imaging flight detector. In addition, the relative merits of thin film dielectric coatings vs. glass plate separation of orthogonal readout layers for 2D imaging microstrips are being investigated. Selected results of this work and progress toward a large area flight detector will be reported.

Paper Details

Date Published: 19 November 1993
PDF: 6 pages
Proc. SPIE 2006, EUV, X-Ray, and Gamma-Ray Instrumentation for Astronomy IV, (19 November 1993); doi: 10.1117/12.162823
Show Author Affiliations
Melinda Ann Fulton, NASA Marshall Space Flight Ctr. (United States)
Brian D. Ramsey, NASA Marshall Space Flight Ctr. (United States)
Jeffery J. Kolodziejczak, NASA Marshall Space Flight Ctr. and Hughes STX Corp. (United States)

Published in SPIE Proceedings Vol. 2006:
EUV, X-Ray, and Gamma-Ray Instrumentation for Astronomy IV
Oswald H. W. Siegmund, Editor(s)

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