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Dive into the research topics where Hiroshi Fujinaka is active.

Publication


Featured researches published by Hiroshi Fujinaka.


international electron devices meeting | 2011

A 1.4µm front-side illuminated image sensor with novel light guiding structure consisting of stacked lightpipes

Hisashi Watanabe; Jun Hirai; Motonari Katsuno; Keishi Tachikawa; Sho Tsuji; Masao Kataoka; Saori Kawagishi; Hiroko Kubo; Hisashi Yano; Shigeru Suzuki; Gen Okazaki; Kouichi Yamamoto; Hiroshi Fujinaka; Takashi Fujioka; Masakatsu Suzuki

A frontside illuminated image (FSI) sensor with novel light guiding structures consisting of stacked lightpipes was developed using 45nm Cu processing on 300 mm wafers. We demonstrated a high quantum efficiency (QE) of 75% and maximum incident angle of 40°, which exceeds the performance of backside illuminated image (BSI) sensors [1,2,3]


Archive | 2009

DIGITAL PID CONTROLLER

Hiroshi Fujinaka


Archive | 2013

VOLTAGE GENERATION CIRCUIT, ANALOG-TO-DIGITAL CONVERSION CIRCUIT, SOLID-STATE IMAGING DEVICE, AND IMAGING APPARATUS

Makoto Ikuma; Hiroshi Fujinaka; Masahiro Higuchi; Yuusuke Yamaoka


Archive | 2007

Stepping motor driving apparatus and stepping motor driving method

Hiroshi Fujinaka; Naoki Kawamoto


Archive | 2014

Ramp generator circuit and solid-state imaging device

Masahiro Higuchi; Hiroshi Fujinaka; Makoto Ikuma


Archive | 2007

STEPPING MOTOR DRIVE APPARATUS AND CONTROL METHOD THEREOF

Hiroshi Fujinaka


Archive | 2013

RAMP-SIGNAL GENERATOR CIRCUIT, AND IMAGE SENSOR AND IMAGING SYSTEM INCLUDING THE SAME

Masahiro Higuchi; Kazuko Nishimura; Yuusuke Yamaoka; Yutaka Abe; Hiroshi Fujinaka


Archive | 2014

SOLID-STATE IMAGING DEVICE AND IMAGING APPARATUS HAVING THE SAME

Hiroshi Fujinaka; Yutaka Abe


Archive | 2012

Device for imaging solids, and imaging device provided with same

Hiroshi Fujinaka; 洋 藤中; Yutaka Abe; 阿部 豊


Archive | 2012

Voltage generating circuit, analog-digital converter circuit, solid-state image pickup device, and image pickup apparatus

Makoto Ikuma; 生熊 誠; Hiroshi Fujinaka; 洋 藤中; Masahiro Higuchi; 真浩 樋口; Yuusuke Yamaoka; 優介 山岡

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