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Proceedings Paper

Precision assembly station for high-resolution segmented optics
Author(s): Henry W. Bergner Jr.; Lester M. Cohen; Mark L. Schattenburg; Glen P. Monnelly
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Paper Abstract

Historically, segmented optics similar to those used in BBXRT and ASTRO have achieved resolutions of a few arc minutes. Achieving substantially better performance requires significant improvement in both the optics themselves and how the optics are assembled and mounted to flight structure. While techniques for improving the optics themselves are underway at Goddard Space Flight Center (GSFC), Columbia University, and Smithsonian Astrophysical Observatory (SAO), here we address how the optics are assembled and mounted to flight structure. We have developed a concept for mounting large numbers of nested, segmented optics which require sub micron accuracy. This methodology uses lithographically defined and etched silicon alignment microstructure. A precision assembly station, incorporating the silicon micro structures is used to position the optics which are then bonded to a flight structure. The advantages of this procedure are that the flight structure has relaxed tolerance requirements and the precision assembly tooling can be reused. We show the positional requirements of the precision tooling as well as the mechanical requirements of the tooling itself.

Paper Details

Date Published: 28 November 2000
PDF: 13 pages
Proc. SPIE 4138, X-Ray Optics, Instruments, and Missions IV, (28 November 2000); doi: 10.1117/12.407553
Show Author Affiliations
Henry W. Bergner Jr., Smithsonian Astrophysical Observatory (United States)
Lester M. Cohen, Smithsonian Astrophysical Observatory (United States)
Mark L. Schattenburg, Massachusetts Institute of Technology (United States)
Glen P. Monnelly, Massachusetts Institute of Technology (United States)

Published in SPIE Proceedings Vol. 4138:
X-Ray Optics, Instruments, and Missions IV
Richard B. Hoover; Arthur B. C. Walker II, Editor(s)

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