Development of p-Channel Charge-Coupled Device for NeXT, the Next Japanese X-ray Astronomical Satellite Mission
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概要
- 論文の詳細を見る
We are developing an X-ray charge-coupled device (CCD) for the next Japanese X-ray astronomical satellite mission, NeXT (New X-ray Telescope/Nonthermal energy eXploration Telescope). We developed a trial product of the p-channel CCD fabricated on an n-type silicon wafer. It is possible to have a thick depletion layer of ${\sim}300$ μm with a p-channel CCD because it is easy to obtain high resistivity using an n-type silicon wafer compared with a p-type silicon wafer. We evaluated the performance of the p-channel CCD. The imaging area of the CCD consists of $512\times 512$ pixels with a pixel size of $24\times 24$ μm2. The horizontal charge transfer inefficiency (CTI) of the CCD can be improved by reducing the operating temperature and increasing the readout frequency. We obtained the best horizontal CTI of $(0.98\pm 0.09)\times 10^{-5}$ with an energy resolution of ($202\pm 6$) eV full width at half maximum (FWHM) for 5.9 keV X-rays and a readout noise of 18 e- (rms) when the CCD was operated at a temperature of $-110$ °C and a readout frequency of 67 kHz. We measured the thickness of the depletion layer to be ($290\pm 33$) μm from the detection efficiency of the 22.4 and 24.9 keV emission lines from 109Cd.
- 2006-11-15
著者
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Miyazaki Satoshi
Subaru Telescope National Astronomical Observatory Of Japan
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Tsuru Takeshi
Department Of Pathology Kumamoto University School Of Medicine
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Uchino Masahiro
Department Of Comparative Pathophysiology Granduate School Of Agricultural And Life Sciences The Uni
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Miyata Emi
Department Of Earth And Space Science Graduate School Of Science Osaka University
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KAMATA Yukiko
National Astronomical Observatory of Japan
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Inui Tatsuya
Department Of Chemistry The College Of Staten Island/cuny
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Nakaya Hidehiko
Subaru Telescope National Astronomical Observatory Of Japan
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Suzuki Hisanori
Solid State Division Hamamatsu Photonics K.k.
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TOHIGUCHI Masakuni
Department of Earth and Space Science, Graduate School of Science, Osaka University
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MURAMATSU Masaharu
Solid State Division, Hamamatsu Photonics K.K.
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Matsuura Daisuke
Department Of Earth And Space Science Graduate School Of Science Osaka University
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Ozawa Hideki
Department Of Cardiology Tokai University School Of Medicine
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Miyaguchi Kazuhisa
Solid State Division Hamamatsu Photonics K. K.
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TSUNEMI Hiroshi
Department of Astrophysics, Faculty of Science, Osaka University
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Nakaya Hidehiko
Subaru Telescope, National Astronomical Observatory of Japan, 650 North A'ohoku Place, Hilo, HI 96720, U.S.A.
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Suzuki Hisanori
Solid State Division, Hamamatsu Photonics K.K., 1126-1 Ichino, Hamamatsu, Shizuoka 435-8558, Japan
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Takagi Shinichiro
Solid State Division, Hamamatsu Photonics K.K., 1126-1 Ichino, Hamamatsu, Shizuoka 435-8558, Japan
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Tsuru Takeshi
Department of Physics, Faculty of Science, Kyoto University, Kitashirakawa-Oikawacho, Sakyo-ku, Kyoto 606-8502, Japan
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Uchino Masahiro
Department of Earth and Space Science, Graduate School of Science, Osaka University, 1-1 Machikaneyama, Toyonaka, Osaka 560-0043, Japan
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Miyaguchi Kazuhisa
Solid State Division, Hamamatsu Photonics K.K., 1126-1 Ichino, Hamamatsu, Shizuoka 435-8558, Japan
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MIYATA Emi
Department of Astrophysics, Faculty of Science, Osaka University
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Muramatsu Masaharu
Solid State Division, Hamamatsu Photonics K.K., 1126-1 Ichino, Hamamatsu, Shizuoka 435-8558, Japan
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