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Proceedings Paper

Replication of a multilayer supermirror
Author(s): Akihiro Furuzawa; Koujun Yamashita; Hideyo Kunieda; Yuzuru Tawara; Keisuke Tamura; Kazutoshi Haga; Norihiko Nakamura; Norio Nakajo; Harumi Takata; Takashi Okajima; Yasushi Ogasaka; Gyanendra S. Lodha; Yoshiharu Namba
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Paper Abstract

In the fabrication of the x-ray reflector using the replication method, Au was thought as the only material which can be used as the surface of reflector. However, if we could use the Pt or Ir, these has higher electron density than Au, as the surface, we can obtain higher reflectivity especially in the hard x-ray band. Furthermore, direct replication of the multilayer is very useful for the high reflectivity and mass-production process. We used the Au replica foil as the substrate of the multilayer. However, the epoxy layer of the replica foil was easily damaged by the heat during the deposition. This is a serious problem for the mass-production process, since we must take a long time to deposit the multilayer to keep the high reflectivity. We studied the direct replication of the multilayer, and successes to obtain the reflectivity as high as original one. Furthermore, we keep the trying to improve the quality of the reflector as flight quality. We will report the results and feature prospects of the replication of the multilayer and its application to the hard x-ray telescope.

Paper Details

Date Published: 19 November 1998
PDF: 7 pages
Proc. SPIE 3444, X-Ray Optics, Instruments, and Missions, (19 November 1998); doi: 10.1117/12.331279
Show Author Affiliations
Akihiro Furuzawa, Nagoya Univ. (Japan)
Koujun Yamashita, Nagoya Univ. (Japan)
Hideyo Kunieda, Nagoya Univ. (Japan)
Yuzuru Tawara, Nagoya Univ. (Japan)
Keisuke Tamura, Nagoya Univ. (Japan)
Kazutoshi Haga, Nagoya Univ. (Japan)
Norihiko Nakamura, Nagoya Univ. (Japan)
Norio Nakajo, Nagoya Univ. (Japan)
Harumi Takata, Nagoya Univ. (Japan)
Takashi Okajima, Nagoya Univ. (United States)
Yasushi Ogasaka, Nagoya Univ. (Japan)
Gyanendra S. Lodha, Ctr. for Advanced Technology (India)
Yoshiharu Namba, Chubu Univ. (Japan)

Published in SPIE Proceedings Vol. 3444:
X-Ray Optics, Instruments, and Missions
Richard B. Hoover; Arthur B. C. Walker, Editor(s)

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