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. 1993 Jul-Aug;98(4):415–445. doi: 10.6028/jres.098.032

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The Journal of Research of the National Institute of Standards and Technology is a publication of the U.S. Government. The papers are in the public domain and are not subject to copyright in the United States. Articles from J Res may contain photographs or illustrations copyrighted by other commercial organizations or individuals that may not be used without obtaining prior approval from the holder of the copyright.

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Fig. 1 — Diagram showing an enlarged cross section of the x-ray mask studied in this work, (a) View of the entire mask assembly. (b) Diagram of the original membrane-absorber cross section. (c) Diagram of the modified version without the polyimide.