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Proceedings Paper

Development and performance of Kyoto's x-ray astronomical SOI pixel (SOIPIX) sensor
Author(s): Takeshi G. Tsuru; Hideaki Matsumura; Ayaki Takeda; Takaaki Tanaka; Shinya Nakashima; Yasuo Arai; Koji Mori; Ryota Takenaka; Yusuke Nishioka; Takayoshi Kohmura; Takaki Hatsui; Takashi Kameshima; Kyosuke Ozaki; Yoshiki Kohmura; Tatsuya Wagai; Dai Takei; Shoji Kawahito; Keiichiro Kagawa; Keita Yasutomi; Sumeet Shrestha; Hiroki Kamehama
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Paper Abstract

We have been developing monolithic active pixel sensors, known as Kyoto’s X-ray SOIPIXs, based on the CMOS SOI (silicon-on-insulator) technology for next-generation X-ray astronomy satellites. The event trigger output function implemented in each pixel offers microsecond time resolution and enables reduction of the non-X-ray background that dominates the high X-ray energy band above 5–10 keV. A fully depleted SOI with a thick depletion layer and back illumination offers wide band coverage of 0.3–40 keV. Here, we report recent progress in the X-ray SOIPIX development. In this study, we achieved an energy resolution of 300 eV (FWHM) at 6 keV and a read-out noise of 33 e- (rms) in the frame readout mode, which allows us to clearly resolve Mn-Kα and Kβ. Moreover, we produced a fully depleted layer with a thickness of 500 μm. The event-driven readout mode has already been successfully demonstrated.

Paper Details

Date Published: 22 June 2014
PDF: 7 pages
Proc. SPIE 9144, Space Telescopes and Instrumentation 2014: Ultraviolet to Gamma Ray, 914412 (22 June 2014); doi: 10.1117/12.2057158
Show Author Affiliations
Takeshi G. Tsuru, Kyoto Univ. (Japan)
Hideaki Matsumura, Kyoto Univ. (Japan)
Ayaki Takeda, High Energy Accelerator Research Organization (Japan)
Takaaki Tanaka, Kyoto Univ. (Japan)
Shinya Nakashima, Kyoto Univ. (Japan)
Yasuo Arai, High Energy Accelerator Research Organization (Japan)
Koji Mori, Univ. of Miyazaki (Japan)
Ryota Takenaka, Univ. of Miyazaki (Japan)
Yusuke Nishioka, Univ. of Miyazaki (Japan)
Takayoshi Kohmura, Kogakuin Univ. (Japan)
Takaki Hatsui, RIKEN (Japan)
Japan Synchrotron Radiation Research Institute (Japan)
Takashi Kameshima, Japan Synchrotron Radiation Research Institute (Japan)
Kyosuke Ozaki, RIKEN (Japan)
Yoshiki Kohmura, RIKEN (Japan)
Tatsuya Wagai, RIKEN (Japan)
Dai Takei, Rikkyo Univ. (Japan)
Shoji Kawahito, Shizuoka Univ. (Japan)
Keiichiro Kagawa, Shizuoka Univ. (Japan)
Keita Yasutomi, Shizuoka Univ. (Japan)
Sumeet Shrestha, Shizuoka Univ. (Japan)
Hiroki Kamehama, Shizuoka Univ. (Japan)


Published in SPIE Proceedings Vol. 9144:
Space Telescopes and Instrumentation 2014: Ultraviolet to Gamma Ray
Tadayuki Takahashi; Jan-Willem A. den Herder; Mark Bautz, Editor(s)

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