JP2019057649A - 撮像素子、撮像装置および画像入力装置 - Google Patents
撮像素子、撮像装置および画像入力装置 Download PDFInfo
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- 238000003384 imaging method Methods 0.000 title claims abstract description 44
- 239000010410 layer Substances 0.000 claims abstract description 76
- 238000006243 chemical reaction Methods 0.000 claims abstract description 69
- 239000011241 protective layer Substances 0.000 claims abstract description 23
- 238000012545 processing Methods 0.000 claims description 23
- 239000004065 semiconductor Substances 0.000 claims description 23
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 20
- 229910052710 silicon Inorganic materials 0.000 claims description 20
- 239000010703 silicon Substances 0.000 claims description 20
- 150000001875 compounds Chemical class 0.000 claims description 8
- 239000000758 substrate Substances 0.000 claims description 4
- DVRDHUBQLOKMHZ-UHFFFAOYSA-N chalcopyrite Chemical compound [S-2].[S-2].[Fe+2].[Cu+2] DVRDHUBQLOKMHZ-UHFFFAOYSA-N 0.000 claims description 2
- 229910052951 chalcopyrite Inorganic materials 0.000 claims description 2
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- -1 chalcopyrite compound Chemical class 0.000 description 2
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- 229910052751 metal Inorganic materials 0.000 description 2
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- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 2
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
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- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
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Abstract
Description
32 撮像センサ
32S 撮像素子
37 測距センサ
38 測光センサ
110 光電変換部
111 透明電極
112 光電変換層
112A p型シリコン層
112B i型シリコン層
113 保護層
114 絶縁層
115 画素電極
Claims (9)
- それぞれ光電変換部を含む複数の画素が半導体基板上に配置された撮像素子であって、
前記光電変換部が、
入射光を信号電荷に変換する光電変換層と、
前記光電変換層の上に形成された透明電極と、
前記光電変換層の下に形成された保護層と、
前記保護層の下に形成された絶縁層と、
前記絶縁層の下に形成された画素電極とを備えることを特徴とする撮像素子。 - 前記保護層が、前記光電変換層に生じる信号電荷とは反対の極性をもつ電荷を含む半導体層によって構成されることを特徴とする請求項1に記載の撮像素子。
- 前記保護層と前記光電変換層とが、シリコン半導体によって構成される請求項1または2に記載の撮像素子。
- 前記光電変換層が、シリコン半導体によって構成され、
前記保護層が、CIGS(カルコパイライト)系化合物半導体によって構成される請求項1または2に記載の撮像素子。 - 前記光電変換層は、前記透明電極に第1電圧が印加されているときに、光電変換により生じる信号電荷を蓄積し、前記透明電極に第1電圧よりも高いもしくは低い第2電圧が印加されると、前記光電変換層内の信号電荷を完全に前記透明電極に排出するエネルギーバンドを有することを特徴とする請求項1乃至4のいずれかに記載の撮像素子。
- 請求項1乃至5のいずれかに記載の撮像素子を備えたことを特徴とする撮像装置。
- 前記撮像素子を含む撮像センサ、測光センサ、測距センサの少なくともいずれか一つを備えていることを特徴とする請求項6に記載の撮像装置。
- 請求項1乃至7のいずれかに記載の撮像素子を備えたことを特徴とする画像入力装置。
- 前記撮像素子から読み出される画素信号に対し、信号処理を行うことを特徴とする請求項8に記載の画像入力装置。
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JP2017181731A JP2019057649A (ja) | 2017-09-21 | 2017-09-21 | 撮像素子、撮像装置および画像入力装置 |
US16/104,368 US10840288B2 (en) | 2017-09-21 | 2018-08-17 | Imaging device, imaging apparatus, and image input device |
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CN113544870A (zh) * | 2019-04-26 | 2021-10-22 | 松下知识产权经营株式会社 | 摄像元件 |
WO2021240998A1 (ja) * | 2020-05-26 | 2021-12-02 | ソニーセミコンダクタソリューションズ株式会社 | 固体撮像素子 |
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JP7268493B2 (ja) | 2019-06-20 | 2023-05-08 | 株式会社リコー | 撮影装置及び撮影方法 |
JP7302343B2 (ja) | 2019-07-05 | 2023-07-04 | 株式会社リコー | 撮影装置及び撮影方法 |
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JP4911923B2 (ja) | 2004-06-17 | 2012-04-04 | Hoya株式会社 | 固体撮像素子 |
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JP2016092413A (ja) * | 2014-10-29 | 2016-05-23 | 株式会社半導体エネルギー研究所 | 撮像装置および電子機器 |
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JP2014150230A (ja) * | 2013-02-04 | 2014-08-21 | Toshiba Corp | 固体撮像装置の製造方法および固体撮像装置 |
JP2017130626A (ja) * | 2016-01-22 | 2017-07-27 | ルネサスエレクトロニクス株式会社 | 半導体装置 |
JP2017143158A (ja) * | 2016-02-09 | 2017-08-17 | キヤノン株式会社 | 光電変換装置、および、撮像システム |
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CN113544870A (zh) * | 2019-04-26 | 2021-10-22 | 松下知识产权经营株式会社 | 摄像元件 |
WO2021240998A1 (ja) * | 2020-05-26 | 2021-12-02 | ソニーセミコンダクタソリューションズ株式会社 | 固体撮像素子 |
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