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Featured researches published by Koichi Tanabe.


IEEE Transactions on Nuclear Science | 2008

A 128-Channel CMOS Charge Readout ASIC for Flat-Panel X-Ray Detectors

Susumu Adachi; Akihiro Nishimura; Toshinori Yoshimuta; Koichi Tanabe; Shoichi Okamura

A CMOS charge readout ASIC (SD7110) for flat-panel X-ray detectors was designed and tested. This ASIC contains 128 readout channels, with each channel consisting of a charge sensitive amplifier, a correlated double sampler, and a track-and-hold circuit. Channel outputs are read out via a 128:1 analog multiplexer and fed into an external 16-bit A/D converter. Conversion gain can be selected from 0.25 V/pC to 8 V/pC. The ASIC operates using a +5.0 V single power supply, with power dissipation of 1.8 mW/channel. The equivalent noise charge (ENC) measured was 400 + 18.9 e-/pF.


Archive | 2005

Radiographic apparatus and radiation detection signal processing method

Shoichi Okamura; Keiichi Fujii; Susumu Adachi; Shinya Hirasawa; Toshinori Yoshimuta; Koichi Tanabe; Shigeya Asai; Akihiro Nishimura


Archive | 1995

Development of multichannel CdTe radiation detectors

Kenji Sato; Toshiyuki Sato; Masaaki Ukita; Satoshi Tokuda; Takaaki Inoue; Susumu Adachi; Takuro Izuo; Naoyuki Hori; Koichi Tanabe; Yuriko Konishi; 佐藤 賢治; 佐藤 敏幸; 浮田 昌明; 徳田 敏; 井上 尚明; 足立 普; 出尾 卓朗; 堀 直行; 田邊 晃一; 小西 百合子


Archive | 2012

Radiation detector and radiographic apparatus

Akina Yoshimatsu; Koichi Tanabe; Satoshi Tokuda; Toshinori Yoshimuta; Hiroyuki Kishihara; Masatomo Kaino; Toshiyuki Sato; Shoji Kuwabara


Archive | 2011

Method of manufacturing radiation detector

Satoshi Tokuda; Koichi Tanabe; Toshinori Yoshimuta; Hiroyuki Kishihara; Masatomo Kaino; Akina Yoshimatsu; Toshiyuki Sato; Shoji Kuwabara


Archive | 2009

Method of manufacturing radiation detector, radiation detector, and radiographic device

Satoshi Tokuda; Tamotsu Okamoto; Hiroyuki Kishihara; Masatomo Kaino; Toshinori Yoshimuta; Koichi Tanabe


Archive | 2008

Optical or radiation imaging apparatus

Koichi Tanabe; 晃一 田邊


Archive | 2015

TWO-DIMENSIONAL IMAGE DETECTING SYSTEM

Satoshi Sano; Toshiyuki Sato; Koichi Tanabe; Toshinori Yoshimuta


Archive | 2005

Radiation imaging apparatus, and radiation detection signal processing method

Susumu Adachi; Shigeya Asai; Keiichi Fujii; Shinya Hirasawa; Akihiro Nishimura; Shoichi Okamura; Koichi Tanabe; Toshinori Yoshimuta; 利典 吉牟田; 昇一 岡村; 伸也 平澤; 重哉 浅井; 晃一 田邊; 圭一 藤井; 暁弘 西村; 晋 足立


Archive | 2004

Radiographic apparatus that removes time lag by recursive computation

Shoichi Okamura; Keiichi Fujii; Susumu Adachi; Shinya Hirasawa; Toshinori Yoshimuta; Koichi Tanabe; Masatomo Kaino; Hiroshi Koyama

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