Radiation Hardness of the Notch Structure Inside the Charge-Coupled Device

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概要

• 論文の詳細を見る

• We report here the effect of a 'notch' structure inside the charge-coupled device (CCD) that is designed to be radiation hard. Using a proton beam, we confirmed that the notch structure improved the charge transfer inefficiency (CTI) by a factor of 3. We applied a mesh technique in the proton beam experiment on a CCD. The CCD employed has $1024\times 1024$ pixels with a notch structure. The mesh technique enables us to confine the proton beam to a circular region of 2 μm diameter within a 24 μm2 pixel. Some pixels are damaged in the notch region while others in the out-of-notch region. After the proton irradiation, we measured the CTI using 55Fe which showed that the CTI of pixels damaged in the notch region is larger by a factor of 3 than that of pixels damaged in the out-of-notch region. We experimentally showed, for the first time, that the CTI depends on the damaged region in a pixel.

• Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physicsの論文
• 2003-04-15

著者

• Miyata Emi

  Department Of Earth And Space Science Graduate School Of Science Osaka University

• Tsunemi Hiroshi

  Department Of Earth And Space Science Graduate School Of Science Osaka University

• Hiraga Junko

  Institute Of Space And Astronautical Science

• Matsuta Kensaku

  Department Of Physics Tokyo University Of Science

• Minamisono Tadanori

  Department Of Physics And Laboratory Of Nuclear Studies Faculty Of Science Osaka University

• Kouno Hiroyuki

  Department Of Earth And Space Science Graduate School Of Science Osaka University

• Mihara Mototsugu

  Department Of Physics Graduate School Of Science Osaka University

• Tanaka Kanenobu

  Department Of Physics Graduate School Of Science Osaka University

• Fukuda Mitsunori

  Department Of Molecular Neurobiology Institute Of Medical Science University Of Tokyo

• Miyaguchi Kazuhisa

  Solid State Division Hamamatsu Photonics K. K.

• Tanaka Kanenobu

  Department of Physics, Graduate School of Science, Osaka University, 1-1 Machikaneyama, Toyonaka, Osaka 560-0043, Japan

• Hiraga Junko

  Institute of Space and Astronautical Science, 3-1-1 Yoshinodai, Sagamihara 229-8510, Japan

• TSUNEMI Hiroshi

  Department of Astrophysics, Faculty of Science, Osaka University

• Matsuta Kensaku

  Department of Physics, Graduate School of Science, Osaka University, 1-1 Machikaneyama, Toyonaka, Osaka 560-0043, Japan

• Fukuda Mitsunori

  Department of Physics, Graduate School of Science, Osaka University, 1-1 Machikaneyama, Toyonaka, Osaka 560-0043, Japan

• Tsunemi Hiroshi

  Department of Earth and Space Science, Graduate School of Science, Osaka University, 1-1 Machikaneyama, Toyonaka, Osaka 560-0043, Japan

• Mihara Mototsugu

  Department of Physics, Graduate School of Science, Osaka University, 1-1 Machikaneyama, Toyonaka, Osaka 560-0043, Japan

• Kouno Hiroyuki

  Department of Earth and Space Science, Graduate School of Science, Osaka University, 1-1 Machikaneyama, Toyonaka, Osaka 560-0043, Japan

• MIYATA Emi

  Department of Astrophysics, Faculty of Science, Osaka University

• Miyata Emi

  Department of Earth and Space Science, Graduate School of Science, Osaka University, 1-1 Machikaneyama, Toyonaka, Osaka 560-0043, Japan

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