Novel ultra-lightweight and high-resolution MEMS X-ray optics

Ikuyuki Mitsuishi, Yuichiro Ezoe, Utako Takagi, Makoto Mita, Raul Riveros, Hitomi Yamaguchi, Fumiki Kato, Susumu Sugiyama, Kouzou Fujiwara, Kohei Morishita, Kazuo Nakajima, Shinya Fujihira, Yoshiaki Kanamori, Noriko Y. Yamasaki, Kazuhisa Mitsuda, Ryutaro Maeda

研究成果: Conference contribution

10 被引用数 (Scopus)


We have been developing ultra light-weight X-ray optics using MEMS (Micro Electro Mechanical Systems) technologies.We utilized crystal planes after anisotropic wet etching of silicon (110) wafers as X-ray mirrors and succeeded in X-ray reflection and imaging. Since we can etch tiny pores in thin wafers, this type of optics can be the lightest X-ray telescope. However, because the crystal planes are alinged in certain directions, we must approximate ideal optical surfaces with flat planes, which limits angular resolution of the optics on the order of arcmin. In order to overcome this issue, we propose novel X-ray optics based on a combination of five recently developed MEMS technologies, namely silicon dry etching, X-ray LIGA, silicon hydrogen anneal, magnetic fluid assisted polishing and hot plastic deformation of silicon. In this paper, we describe this new method and report on our development of X-ray mirrors fabricated by these technologies and X-ray reflection experiments of two types of MEMS X-ray mirrors made of silicon and nickel. For the first time, X-ray reflections on these mirrors were detected in the angular response measurements. Compared to model calculations, surface roughness of the silicon and nickel mirrors were estimated to be 5 nm and 3 nm, respectively.

ホスト出版物のタイトルEUV and X-Ray Optics
ホスト出版物のサブタイトルSynergy between Laboratory and Space
出版ステータスPublished - 2009 9 14
イベントEUV and X-Ray Optics: Synergy between Laboratory and Space - Prague, Czech Republic
継続期間: 2009 4 202009 4 22


名前Proceedings of SPIE - The International Society for Optical Engineering


OtherEUV and X-Ray Optics: Synergy between Laboratory and Space
国/地域Czech Republic

ASJC Scopus subject areas

  • 電子材料、光学材料、および磁性材料
  • 凝縮系物理学
  • コンピュータ サイエンスの応用
  • 応用数学
  • 電子工学および電気工学


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