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27 November 1989 Lacquer Coated Mandrels For Production Of Replicated X-Ray Optics.
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The replica technique by electroforming the mirrors from mandrels, has been chosen for the manufacture of the X-ray optics of the SAX imaging concentrators. This technique ia also emerging as a promising cost-effective process for the construction of the mirror shells for high throughput X-ray optics telescopes with angular resolution of tens of arcsac. A key point in this process is the manufacture of the mandrels (or masters) with the required specifications for the geometrical profile and surface finishing. Possible cost-effective solutions for the production of the mandrels are: 1) to achieve the required profile by diamond turning and to improve the surface finishing by means of a lacquer coating process or 2) to reach the correct geometrical shape with a conventional lathe or grinding machine and, after a moderate surface polishing, to coat it with a lacquer layer. This paper presents the results obtained during the verification of these approaches.
© (1989) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
G. Conti, G. Bonelli, E. Mattaini, E. Santambrogio, O. Citterio, H. Brauninger, and W. Burkert "Lacquer Coated Mandrels For Production Of Replicated X-Ray Optics.", Proc. SPIE 1140, X-Ray Instrumentation in Medicine and Biology, Plasma Physics, Astrophysics, and Synchrotron Radiation, (27 November 1989);


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