Invention Grant
- Patent Title: Photoelectric conversion apparatus and image reading apparatus
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Application No.: US15599140Application Date: 2017-05-18
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Publication No.: US10103182B2Publication Date: 2018-10-16
- Inventor: Tatsuya Suzuki , Toru Koizumi , Masanori Ogura , Takanori Suzuki , Jun Iba
- Applicant: CANON KABUSHIKI KAISHA
- Applicant Address: JP Tokyo
- Assignee: Canon Kabushiki Kaisha
- Current Assignee: Canon Kabushiki Kaisha
- Current Assignee Address: JP Tokyo
- Agency: Canon U.S.A., Inc. IP Division
- Priority: JP2016-103716 20160524
- Main IPC: H04N1/04
- IPC: H04N1/04 ; H01L27/146 ; H04N1/028

Abstract:
A photoelectric conversion apparatus includes a semiconductor substrate having one principle surface including recessed portions, and insulation bodies in the recessed portions. The semiconductor substrate includes photoelectric conversion elements each of which includes a first semiconductor region of a first conductivity type, a second semiconductor region of a second conductivity type, and a third semiconductor region of the second conductivity type which has at least a portion disposed nearer to the principle surface relative to the second semiconductor region. The second semiconductor region has a polarity of signal charge. The second semiconductor region is in contact with the first and third semiconductor regions. Signal charge paths are disposed between the recessed portions in a cross section perpendicular to the principle surface. At least one of the second and third semiconductor regions is positioned in directions of at least two of the signal charge paths.
Public/Granted literature
- US20170345857A1 PHOTOELECTRIC CONVERSION APPARATUS AND IMAGE READING APPARATUS Public/Granted day:2017-11-30
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