106 citations · 405 across the 32 of their papers we have counts for
32 papers
A detailed study on spectroscopic performance of SOI pixel detector with a pinned depleted diode structure for X-ray astronomy
Masataka Yukumoto, Koji Mori, Ayaki Takeda +11
We have been developing silicon-on-insulator (SOI) pixel detectors with a pinned depleted diode (PDD) structure, named "XRPIX", for X-ray astronomy. In our previous study, we succe…
Evaluation of the X-ray SOI pixel detector with the on-chip ADC
Hiroumi Matsuhashi, Kouichi Hagino, Aya Bamba +16
XRPIX is the monolithic X-ray SOI (silicon-on-insulator) pixel detector, which has a time resolution better than 10 s as well as a high detection efficiency for X-rays above…
Design study and spectroscopic performance of SOI pixel detector with a pinned depleted diode structure for X-ray astronomy
Masataka Yukumoto, Koji Mori, Ayaki Takeda +14
We have been developing silicon-on-insulator (SOI) pixel detectors with a pinned depleted diode (PDD) structure, named "XRPIX", for X-ray astronomy. The PDD structure is formed in…
Radiation-Induced Degradation Mechanism of X-ray SOI Pixel Sensors with Pinned Depleted Diode Structure
Kouichi Hagino, Masatoshi Kitajima, Takayoshi Kohmura +7
The X-ray Silicon-On-Insulator (SOI) pixel sensor named XRPIX has been developed for the future X-ray astronomical satellite FORCE. XRPIX is capable of a wide-band X-ray imaging sp…
Single Event Tolerance of X-ray SOI Pixel Sensors
Kouichi Hagino, Mitsuki Hayashida, Takayoshi Kohmura +19
We evaluate the single event tolerance of the X-ray silicon-on-insulator (SOI) pixel sensor named XRPIX, developed for the future X-ray astronomical satellite FORCE. In this work,…
X-ray Radiation Damage Effects on Double-SOI Pixel Detectors for the Future Astronomical Satellite "FORCE"
Masatoshi Kitajima, Kouichi Hagino, Takayoshi Kohmura +20
We have been developing the monolithic active pixel detector "XRPIX" onboard the future X-ray astronomical satellite "FORCE". XRPIX is composed of CMOS pixel circuits, SiO2 insulat…
Proton radiation hardness of X-ray SOI pixel sensors with pinned depleted diode structure
Mitsuki Hayashida, Kouichi Hagino, Takayoshi Kohmura +19
X-ray SOI pixel sensors, "XRPIX", are being developed for the next-generation X-ray astronomical satellite, "FORCE". The XRPIX are fabricated with the SOI technology, which makes i…
Low-Energy X-ray Performance of SOI Pixel Sensors for Astronomy, "XRPIX"
Ryota Kodama, Takeshi Go Tsuru, Takaaki Tanaka +17
We have been developing a new type of X-ray pixel sensors, "XRPIX", allowing us to perform imaging spectroscopy in the wide energy band of 1-20 keV for the future Japanese X-ray sa…
Experimental studies on the charge transfer inefficiency of CCD developed for the soft X-ray imaging telescope Xtend aboard the XRISM satellite
Yoshiaki Kanemaru, Jin Sato, Toshiyuki Takaki +38
We present experimental studies on the charge transfer inefficiency (CTI) of charge-coupled device (CCD) developed for the soft X-ray imaging telescope, Xtend, aboard the XRISM sat…
Radiation Damage Effects on Double-SOI Pixel Sensors for X-ray Astronomy
Kouichi Hagino, Keigo Yarita, Kousuke Negishi +19
The X-ray SOI pixel sensor onboard the FORCE satellite will be placed in the low earth orbit and will consequently suffer from the radiation effects mainly caused by geomagneticall…
Optical Blocking Performance of CCDs Developed for the X-ray Astronomy Satellite XRISM
Hiroyuki Uchida, Takaaki Tanaka, Yuki Amano +43
We have been developing P-channel Charge-Coupled Devices (CCDs) for the upcoming X-ray Astronomy Satellite XRISM, planned to be launched in 2021. While the basic design of the CCD…
Development of the detector simulation framework for the Wideband Hybrid X-ray Imager onboard FORCE
Hiromasa Suzuki, Tsubasa Tamba, Hirokazu Odaka +8
FORCE is a Japan-US space-based astronomy mission for an X-ray imaging spectroscopy in an energy range of 1--80 keV. The Wideband Hybrid X-ray Imager (WHXI), which is the main foca…
Sub-pixel Response of Double-SOI Pixel Sensors for X-ray Astronomy
K. Hagino, K. Negishi, K. Oono +16
We have been developing the X-ray silicon-on-insulator (SOI) pixel sensor called XRPIX for future astrophysical satellites. XRPIX is a monolithic active pixel sensor consisting of…
Radiation hardness of a p-channel notch CCD developed for the X-ray CCD camera onboard the XRISM satellite
Yoshiaki Kanemaru, Jin Sato, Koji Mori +30
We report the radiation hardness of a p-channel CCD developed for the X-ray CCD camera onboard the XRISM satellite. This CCD has basically the same characteristics as the one used…
Measurement of Charge Cloud Size in X-ray SOI Pixel Sensors
Kouichi Hagino, Kenji Oono, Kousuke Negishi +20
We report on a measurement of the size of charge clouds produced by X-ray photons in X-ray SOI (Silicon-On-Insulator) pixel sensor named XRPIX. We carry out a beam scanning experim…
Subpixel Response of SOI Pixel Sensor for X-ray Astronomy with Pinned Depleted Diode: First Result from Mesh Experiment
Kazuho Kayama, Takeshi G. Tsuru, Takaaki Tanaka +31
We have been developing a monolithic active pixel sensor, ``XRPIX``, for the Japan led future X-ray astronomy mission ``FORCE`` observing the X-ray sky in the energy band of 1-80 k…
Evaluation of Kyoto's Event-Driven X-ray Astronomical SOI Pixel Sensor with a Large Imaging Area
Hideki Hayashi, Takeshi Go Tsuru, Takaaki Tanaka +23
We have been developing monolithic active pixel sensors, named ``XRPIX'', based on the silicon-on-insulator (SOI) pixel technology for future X-ray astronomy satellites. XRPIX has…
Performance of SOI Pixel Sensors Developed for X-ray Astronomy
Takaaki Tanaka, Takeshi Go Tsuru, Hiroyuki Uchida +24
We have been developing monolithic active pixel sensors for X-rays based on the silicon-on-insulator technology. Our device consists of a low-resistivity Si layer for readout CMOS…
X-ray response evaluation in subpixel level for X-ray SOI pixel detectors
Kousuke Negishi, Takayoshi Kohmura, Kouichi Hagino +21
We have been developing event-driven SOI Pixel Detectors, named `XRPIX' (X-Ray soiPIXel) based on the silicon-on-insulator (SOI) pixel technology, for the future X-ray astronomical…
Proton Radiation Damage Experiment for X-Ray SOI Pixel Detectors
Keigo Yarita, Takayoshi Kohmura, Kouichi Hagino +23
In low earth orbit, there are many cosmic rays composed primarily of high energy protons. These cosmic rays cause surface and bulk radiation effects, resulting in degradation of de…
Performance of the Silicon-On-Insulator Pixel Sensor for X-ray Astronomy, XRPIX6E, Equipped with Pinned Depleted Diode Structure
Sodai Harada, Takeshi Go Tsuru, Takaaki Tanaka +23
We have been developing event driven X-ray Silicon-On-Insulator (SOI) pixel sensors, called "XRPIX", for the next generation of X-ray astronomy satellites. XRPIX is a monolithic ac…
Kyoto's Event-Driven X-ray Astronomy SOI pixel sensor for the FORCE mission
Takeshi G. Tsuru, Hideki Hayashi, Katsuhiro Tachibana +23
We have been developing monolithic active pixel sensors, X-ray Astronomy SOI pixel sensors, XRPIXs, based on a Silicon-On-Insulator (SOI) CMOS technology as soft X-ray sensors for…
Soft X-ray Imager aboard Hitomi (ASTRO-H)
Takaaki Tanaka, Hiroyuki Uchida, Hiroshi Nakajima +25
The Soft X-ray Imager (SXI) is an imaging spectrometer using charge-coupled devices (CCDs) aboard the Hitomi X-ray observatory. The SXI sensor has four CCDs with an imaging area si…
In-orbit performance of the soft X-ray imaging system aboard Hitomi (ASTRO-H)
H. Nakajima, Y. Maeda, H. Uchida +46
We describe the in-orbit performance of the soft X-ray imaging system consisting of the Soft X-ray Telescope and the Soft X-ray Imager aboard Hitomi. Verification and calibration o…