JP2010206174A - 光電変換装置およびその製造方法ならびにカメラ - Google Patents
光電変換装置およびその製造方法ならびにカメラ Download PDFInfo
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- JP2010206174A JP2010206174A JP2009293213A JP2009293213A JP2010206174A JP 2010206174 A JP2010206174 A JP 2010206174A JP 2009293213 A JP2009293213 A JP 2009293213A JP 2009293213 A JP2009293213 A JP 2009293213A JP 2010206174 A JP2010206174 A JP 2010206174A
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- 238000006243 chemical reaction Methods 0.000 claims description 28
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- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 11
- 229910052710 silicon Inorganic materials 0.000 description 11
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/14—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation
- H01L27/144—Devices controlled by radiation
- H01L27/146—Imager structures
- H01L27/14683—Processes or apparatus peculiar to the manufacture or treatment of these devices or parts thereof
- H01L27/14689—MOS based technologies
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/14—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation
- H01L27/144—Devices controlled by radiation
- H01L27/146—Imager structures
- H01L27/14601—Structural or functional details thereof
- H01L27/1463—Pixel isolation structures
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/14—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation
- H01L27/144—Devices controlled by radiation
- H01L27/146—Imager structures
- H01L27/14601—Structural or functional details thereof
- H01L27/1464—Back illuminated imager structures
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/14—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation
- H01L27/144—Devices controlled by radiation
- H01L27/146—Imager structures
- H01L27/14601—Structural or functional details thereof
- H01L27/14641—Electronic components shared by two or more pixel-elements, e.g. one amplifier shared by two pixel elements
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/14—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation
- H01L27/144—Devices controlled by radiation
- H01L27/146—Imager structures
- H01L27/14643—Photodiode arrays; MOS imagers
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Abstract
【解決手段】光電変換装置は、n型の表面領域18と、表面領域18の下に形成されたp型領域PRと、p型領域PRの下に形成されたn型の埋め込み層10とを含む。表面領域18、p型領域PRおよび埋め込み層10によって埋め込み型のフォトダイオードPDが構成される。表面領域18の主要不純物の拡散係数は、埋め込み層10の主要不純物の拡散係数より小さい。
【選択図】図4
Description
Claims (9)
- n型の表面領域と、
前記表面領域の下に形成されたp型領域と、
前記p型領域の下に形成されたn型の埋め込み層とを含み、
前記表面領域、前記p型領域および前記埋め込み層によって埋め込み型のフォトダイオードが構成され、前記表面領域の主要不純物の拡散係数が前記埋め込み層の主要不純物の拡散係数より小さいことを特徴とする光電変換装置。 - 前記表面領域の主要不純物が砒素であり、前記埋め込み層の主要不純物が燐であることを特徴とする請求項1に記載の光電変換装置。
- 前記p型領域は、第1領域と、少なくとも一部が前記第1領域と前記埋め込み層との間に配置された第2領域とを含み、前記第1領域のp型不純物の濃度が前記第2領域のp型不純物の濃度よりも高いことを特徴とする請求項1又は2に記載の光電変換装置。
- 浮遊拡散部を構成するp型の第3領域と、
前記第1領域と前記第3領域との間の領域の上に配置されたゲートとを更に備え、
前記第1領域、前記第3領域および前記ゲートによって、前記p型領域に蓄積された正孔を前記浮遊拡散部に転送するための転送トランジスタが構成されていることを特徴とする請求項3に記載の光電変換装置。 - 前記第2領域と前記第3領域とを分離するn型領域を含み、前記n型領域に前記転送トランジスタのチャネルが形成されることを特徴とする請求項4に記載の光電変換装置。
- 前記埋め込み層は、チャネリング現象を利用したイオン注入によって形成されることを特徴とする請求項1乃至5のいずれか1項に記載の光電変換装置。
- 裏面照射型の光電変換装置として構成されていることを特徴とする請求項1乃至6のいずれか1項に記載の光電変換装置。
- 請求項1乃至7のいずれか1項に記載の光電変換装置と、
前記光電変換装置によって得られた信号を処理する信号処理部と、
を備えることを特徴とするカメラ。 - 請求項1乃至5のいずれか1項に記載の光電変換装置の製造方法であって、
p型の半導体基板の表面に前記埋め込み層を形成する工程と、
前記埋め込み層の上にp型の半導体層をエピタキシャル成長させる工程と、
前記半導体層の中に前記p型領域および前記表面領域を形成する工程と、
を含むことを特徴とする光電変換装置の製造方法。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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JP2009293213A JP2010206174A (ja) | 2009-02-06 | 2009-12-24 | 光電変換装置およびその製造方法ならびにカメラ |
CN201080006235.1A CN102301476B (zh) | 2009-02-06 | 2010-01-08 | 光电转换装置、其制造方法和照相机 |
US13/139,588 US8723285B2 (en) | 2009-02-06 | 2010-01-08 | Photoelectric conversion device manufacturing method thereof, and camera |
PCT/JP2010/050450 WO2010090064A1 (en) | 2009-02-06 | 2010-01-08 | Photoelectric conversion device manufacturing method thereof, and camera |
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JP2009026701 | 2009-02-06 | ||
JP2009293213A JP2010206174A (ja) | 2009-02-06 | 2009-12-24 | 光電変換装置およびその製造方法ならびにカメラ |
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JP2010206174A5 JP2010206174A5 (ja) | 2013-02-21 |
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US (1) | US8723285B2 (ja) |
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Cited By (5)
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US8546174B2 (en) | 2011-03-25 | 2013-10-01 | Kabushiki Kaisha Toshiba | Method for manufacturing semiconductor device |
JP2013203980A (ja) * | 2012-03-29 | 2013-10-07 | Japan Polyethylene Corp | 圧力容器ライナー用熱可塑性樹脂、圧力容器及びその製造方法 |
WO2014002362A1 (ja) * | 2012-06-26 | 2014-01-03 | パナソニック株式会社 | 固体撮像装置及びその製造方法 |
JP2014022463A (ja) * | 2012-07-13 | 2014-02-03 | Toshiba Corp | 固体撮像装置 |
JP2016092137A (ja) * | 2014-10-31 | 2016-05-23 | キヤノン株式会社 | 撮像装置 |
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JP2010206173A (ja) | 2009-02-06 | 2010-09-16 | Canon Inc | 光電変換装置およびカメラ |
JP2010206172A (ja) | 2009-02-06 | 2010-09-16 | Canon Inc | 撮像装置およびカメラ |
US8742311B2 (en) * | 2012-02-27 | 2014-06-03 | Omnivision Technologies, Inc. | Enhanced pixel cell architecture for an image sensor having a direct output from a buried channel source follower transistor to a bit line |
JP6118053B2 (ja) * | 2012-09-06 | 2017-04-19 | キヤノン株式会社 | 固体撮像装置の製造方法 |
JP6159184B2 (ja) * | 2013-07-25 | 2017-07-05 | キヤノン株式会社 | 光電変換装置及び撮像システム |
JP2015109343A (ja) * | 2013-12-04 | 2015-06-11 | キヤノン株式会社 | 半導体装置の製造方法 |
JP2020088293A (ja) * | 2018-11-29 | 2020-06-04 | キヤノン株式会社 | 光電変換装置、光電変換システム、移動体 |
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Also Published As
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US20110240835A1 (en) | 2011-10-06 |
CN102301476B (zh) | 2014-10-15 |
CN102301476A (zh) | 2011-12-28 |
WO2010090064A1 (en) | 2010-08-12 |
US8723285B2 (en) | 2014-05-13 |
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