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Proceedings Paper

X-ray windows for spaceborne detectors
Author(s): Veli-Pekka Viitanen; Seppo Arvo Anter Nenonen; Panu Partanen; Heikki Sipila; Risto Mutikainen
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Paper Abstract

Several types of ultrathin entrance windows have been developed for applications in spaceborne X-ray instruments. Active area diameters up to 140 mm have been achieved. The latest windows developed have a transmission of > 20% at B K(alpha) and > 40% at N K(alpha) . A new gas block layer type utilizing aluminum nitride has been developed, as well as semitransparent support structures for the membranes. The effects of pressure-induced strain, radiation and atomic oxygen corrosion on the gas leak properties of the windows has been studied.

Paper Details

Date Published: 8 October 1992
PDF: 7 pages
Proc. SPIE 1743, EUV, X-Ray, and Gamma-Ray Instrumentation for Astronomy III, (8 October 1992); doi: 10.1117/12.130686
Show Author Affiliations
Veli-Pekka Viitanen, Outokumpu Electronics Oy (Finland)
Seppo Arvo Anter Nenonen, Outokumpu Electronics Oy (Finland)
Panu Partanen, Outokumpu Electronics Oy (Finland)
Heikki Sipila, Outokumpu Electronics Oy (Finland)
Risto Mutikainen, Technical Research Ctr. of Finland (Finland)

Published in SPIE Proceedings Vol. 1743:
EUV, X-Ray, and Gamma-Ray Instrumentation for Astronomy III
Oswald H. W. Siegmund, Editor(s)

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