X-ray windows for spaceborne detectors

Veli-Pekka Viitanen; Seppo Arvo Anter Nenonen; Panu Partanen; Heikki Sipila; Risto Mutikainen

doi:10.1117/12.130686

8 October 1992 X-ray windows for spaceborne detectors

Veli-Pekka Viitanen, Seppo Arvo Anter Nenonen, Panu Partanen, Heikki Sipila, Risto Mutikainen

Proceedings Volume 1743, EUV, X-Ray, and Gamma-Ray Instrumentation for Astronomy III; (1992) https://doi.org/10.1117/12.130686
Event: San Diego '92, 1992, San Diego, CA, United States

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.

Citation Download Citation

Veli-Pekka Viitanen, Seppo Arvo Anter Nenonen, Panu Partanen, Heikki Sipila, and Risto Mutikainen "X-ray windows for spaceborne detectors", Proc. SPIE 1743, EUV, X-Ray, and Gamma-Ray Instrumentation for Astronomy III, (8 October 1992); https://doi.org/10.1117/12.130686

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