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Proceedings Paper

New fabrication methods of mirror substrate with multistage closed shell for high-throughput x-ray telescope
Author(s): Yuzuru Tawara; Ikuya Sakurai; Tadashi Masuda; Tatsuharu Torii; Kouichi Suzui; Masaki Aoyama; Takuhiko Kondo; Nobuo Mizutani
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Paper Abstract

To improve angular resolution of high-throughput X-ray telescope using aluminum foil substrate, a multi-stage closed shell substrate is the key target of the development. For this purpose we have been developing two new fabrication methods to make very thin aluminum substrate. One is to use electron beam welding and the other is to use direct machining with lathe. By means of these methods, test conical mirror substrates were made and it was found that these had enough accurate shape as substrates to be used for epoxy replication.

Paper Details

Date Published: 20 September 2007
PDF: 5 pages
Proc. SPIE 6688, Optics for EUV, X-Ray, and Gamma-Ray Astronomy III, 668816 (20 September 2007); doi: 10.1117/12.733884
Show Author Affiliations
Yuzuru Tawara, Nagoya Univ. (Japan)
Ikuya Sakurai, Nagoya Univ. (Japan)
Tadashi Masuda, Nagoya Univ. (Japan)
Tatsuharu Torii, Nagoya Univ. (Japan)
Kouichi Suzui, National Institute of Natural Science (Japan)
Masaki Aoyama, National Institute of Natural Science (Japan)
Takuhiko Kondo, National Institute of Natural Science (Japan)
Nobuo Mizutani, National Institute of Natural Science (Japan)


Published in SPIE Proceedings Vol. 6688:
Optics for EUV, X-Ray, and Gamma-Ray Astronomy III
Stephen L. O'Dell; Giovanni Pareschi, Editor(s)

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