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1992
Journal Article
Title

Diamond membrane based X-ray masks

Abstract
Diamond layers are of special interest for x-ray mask fabrication because of their excellent optical and mechanical properties. Using plasma activated chemical vapor deposition process, 2 - 5 Mym thick diamond layers were deposited and characterized. Microhardness and Young's modulus are found to be very close to the literature values of bulk diamond. A standard isotropic etching process was applied for membrane fabrication. The optical transparency and the thickness homogeneity were measured. Concerning surface roughness, scanning electron micrographs and atomic force measurements were evaluated. After irradiation of diamond masks with synchrotron light, a slight increase of optical transparency was found.
Author(s)
Löchel, B.
Huber, H.-L.
Klages, C.-P.
Schäfer, L.
Bluhm, A.
Journal
Journal of vacuum science and technology B. Microelectronics and nanometer structures  
Conference
International Symposium on Electron, Ion and Photon Beams 1992  
DOI
10.1116/1.585916
Language
English
Fraunhofer-Institut für Schicht- und Oberflächentechnik IST  
Keyword(s)
  • atomic force microscopy

  • diamond

  • free-standing

  • hardness

  • microwave plasma CVD

  • stress

  • transmissivity

  • X-ray lithography

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