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Proceedings Paper

Lacquer Coated Mandrels For Production Of Replicated X-Ray Optics.
Author(s): G. Conti; G. Bonelli; E. Mattaini; E. Santambrogio; O. Citterio; H. Brauninger; W. Burkert
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Paper Abstract

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.

Paper Details

Date Published: 27 November 1989
PDF: 5 pages
Proc. SPIE 1140, X-Ray Instrumentation in Medicine and Biology, Plasma Physics, Astrophysics, and Synchrotron Radiation, (27 November 1989); doi: 10.1117/12.961848
Show Author Affiliations
G. Conti, CNR - Instituto Fisica Cosmica (Italy)
G. Bonelli, CNR - Instituto Fisica Cosmica (Italy)
E. Mattaini, CNR - Instituto Fisica Cosmica (Italy)
E. Santambrogio, CNR - Instituto Fisica Cosmica (Italy)
O. Citterio, Osservatorio di Brera-Merate (Italy)
H. Brauninger, MPIE (Germany)
W. Burkert, MPIE (Germany)

Published in SPIE Proceedings Vol. 1140:
X-Ray Instrumentation in Medicine and Biology, Plasma Physics, Astrophysics, and Synchrotron Radiation
Rene Benattar, Editor(s)

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