JP2010226071A - 半導体光検出素子 - Google Patents
半導体光検出素子 Download PDFInfo
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- JP2010226071A JP2010226071A JP2009136389A JP2009136389A JP2010226071A JP 2010226071 A JP2010226071 A JP 2010226071A JP 2009136389 A JP2009136389 A JP 2009136389A JP 2009136389 A JP2009136389 A JP 2009136389A JP 2010226071 A JP2010226071 A JP 2010226071A
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- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 3
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- 206010034972 Photosensitivity reaction Diseases 0.000 description 1
- GDFCWFBWQUEQIJ-UHFFFAOYSA-N [B].[P] Chemical compound [B].[P] GDFCWFBWQUEQIJ-UHFFFAOYSA-N 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
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- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
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- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices 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; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/08—Semiconductor devices 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; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof in which radiation controls flow of current through the device, e.g. photoresistors
- H01L31/10—Semiconductor devices 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; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof in which radiation controls flow of current through the device, e.g. photoresistors characterised by potential barriers, e.g. phototransistors
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices 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; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/02—Details
- H01L31/0236—Special surface textures
- H01L31/02366—Special surface textures of the substrate or of a layer on the substrate, e.g. textured ITO/glass substrate or superstrate, textured polymer layer on glass substrate
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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
- H01L27/1446—Devices controlled by radiation in a repetitive configuration
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices 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; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/02—Details
- H01L31/0236—Special surface textures
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices 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; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/02—Details
- H01L31/0236—Special surface textures
- H01L31/02363—Special surface textures of the semiconductor body itself, e.g. textured active layers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices 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; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/0248—Semiconductor devices 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; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by their semiconductor bodies
- H01L31/0352—Semiconductor devices 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; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by their semiconductor bodies characterised by their shape or by the shapes, relative sizes or disposition of the semiconductor regions
- H01L31/035272—Semiconductor devices 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; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by their semiconductor bodies characterised by their shape or by the shapes, relative sizes or disposition of the semiconductor regions characterised by at least one potential jump barrier or surface barrier
- H01L31/035281—Shape of the body
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- H01L31/18—Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof
- H01L31/1804—Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof comprising only elements of Group IV of the Periodic Table
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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- Manufacturing & Machinery (AREA)
- Light Receiving Elements (AREA)
- Solid State Image Pick-Up Elements (AREA)
Abstract
【解決手段】互いに対向する第1主面1a及び第2主面1bを有すると共に第1主面1a側にP+型半導体領域3が形成されたn−型半導体基板1を準備する。n−型半導体基板1の第2主面1aにおける少なくともP+型半導体領域3に対向する領域に、パルスレーザ光を照射して、不規則な凹凸10を形成する。不規則な凹凸10を形成した後に、n−型半導体基板1の第2主面1a側に、n−型半導体基板1よりも高い不純物濃度を有するアキュムレーション層11を形成する。アキュムレーション層11を形成した後に、n−型半導体基板1を熱処理する。
【選択図】図10
Description
図1〜図10を参照して、第1実施形態に係るフォトダイオードの製造方法について説明する。図1〜図10は、第1実施形態に係るフォトダイオードの製造方法を説明するための図である。
図14〜図16を参照して、第2実施形態に係るフォトダイオードの製造方法について説明する。図14〜図16は、第2実施形態に係るフォトダイオードの製造方法を説明するための図である。
図17〜図21を参照して、第3実施形態に係るフォトダイオードの製造方法について説明する。図17〜図21は、第3実施形態に係るフォトダイオードの製造方法を説明するための図である。
図22〜図24を参照して、第4実施形態に係るフォトダイオードの製造方法について説明する。図22〜図24は、第4実施形態に係るフォトダイオードの製造方法を説明するための図である。
図25を参照して、第5実施形態に係るフォトダイオードアレイPDA1について説明する。図25は、第5実施形態に係るフォトダイオードアレイの構成を説明するための図である。
図26〜図27を参照して、第6実施形態に係る固体撮像素子SI1について説明する。図26は、第6実施形態に係る固体撮像素子を示す斜視図である。図27は、第6実施形態に係る固体撮像素子の断面構成を説明するための図である。
図28を参照して、第7実施形態に係るフォトダイオードPD5について説明する。図28は、第7実施形態に係るフォトダイオードの構成を説明するための図である。
アキュムレーション層57における電極59が形成された領域は、光学的に露出していない。
図29を参照して、第8実施形態に係るフォトダイオードアレイPDA2について説明する。図29は、第8実施形態に係るフォトダイオードアレイの構成を説明するための図である。
図30及び図31を参照して、第9実施形態に係るフォトダイオードアレイPDA3の構成について説明する。図30は、第9実施形態に係るフォトダイオードアレイPDA3を概略的に示す平面図である。図31は、図30に示したフォトダイオードアレイPDA3のXXXI−XXXI線に沿った断面構成を示す図である。
図33を参照して、第10実施形態に係るMOSイメージセンサMI1について説明する。図33は、第10実施形態に係るMOSイメージセンサを概略的に示す平面図である。図34は、図33に示されたMOSイメージセンサのXXXIV−XXXIV線に沿った断面構成を示す図である。
Claims (4)
- 第1導電型の半導体領域と第2導電型の半導体領域とで形成されたpn接合を有するシリコン基板を備え、
前記シリコン基板には、該シリコン基板の一の主面側に第1導電型のアキュムレーション層が形成されていると共に、前記一の主面における少なくとも前記pn接合に対向する領域に不規則な凹凸が形成されており、
前記シリコン基板の前記一の主面における前記pn接合に対向する前記領域は、光学的に露出していることを特徴とする半導体光検出素子。 - 第1導電型の半導体からなり、互いに対向する第1主面及び第2主面を有すると共に前記第1主面側に第2導電型の半導体領域が形成されたシリコン基板を備え、
前記シリコン基板には、前記第2主面側に前記シリコン基板よりも高い不純物濃度を有する第1導電型のアキュムレーション層が形成されていると共に、前記第2主面における少なくとも第2導電型の前記半導体領域に対向する領域に不規則な凹凸が形成されており、
前記シリコン基板の前記第2主面における第2導電型の前記半導体領域に対向する前記領域は、光学的に露出していることを特徴とする半導体光検出素子。 - 前記シリコン基板は、第2導電型の前記半導体領域に対応する部分が該部分の周辺部分を残して前記第2主面側より薄化されていることを特徴とする請求項2に記載の半導体光検出素子。
- 第1導電型の前記アキュムレーション層の厚みが、不規則な前記凹凸の高低差よりも大きいことを特徴とする請求項2又は3に記載の半導体光検出素子。
Priority Applications (12)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009136389A JP5185205B2 (ja) | 2009-02-24 | 2009-06-05 | 半導体光検出素子 |
KR1020177008209A KR101842410B1 (ko) | 2009-02-24 | 2010-02-15 | 반도체 광검출 소자 |
PCT/JP2010/052210 WO2010098224A1 (ja) | 2009-02-24 | 2010-02-15 | 半導体光検出素子 |
EP10746105.5A EP2403011B1 (en) | 2009-02-24 | 2010-02-15 | Semiconductor light-detecting element |
CN201080009099.1A CN102334197B (zh) | 2009-02-24 | 2010-02-15 | 半导体光检测元件 |
EP18178495.0A EP3399558B1 (en) | 2009-02-24 | 2010-02-15 | Semiconductor light-detecting element |
KR1020117016030A KR101779212B1 (ko) | 2009-02-24 | 2010-02-15 | 반도체 광검출 소자 |
US13/147,871 US8916945B2 (en) | 2009-02-24 | 2010-02-15 | Semiconductor light-detecting element |
CN201510437135.9A CN105140315B (zh) | 2009-02-24 | 2010-02-15 | 半导体光检测元件 |
TW103143951A TWI568009B (zh) | 2009-02-24 | 2010-02-24 | Semiconductor photodetection element |
TW099105361A TWI482298B (zh) | 2009-02-24 | 2010-02-24 | Semiconductor photodetection element |
US14/073,249 US9419159B2 (en) | 2009-02-24 | 2013-11-06 | Semiconductor light-detecting element |
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JP2009041078 | 2009-02-24 | ||
JP2009041078 | 2009-02-24 | ||
JP2009136389A JP5185205B2 (ja) | 2009-02-24 | 2009-06-05 | 半導体光検出素子 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2013006066A Division JP5829224B2 (ja) | 2009-02-24 | 2013-01-17 | Mosイメージセンサ |
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JP2010226071A true JP2010226071A (ja) | 2010-10-07 |
JP5185205B2 JP5185205B2 (ja) | 2013-04-17 |
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JP2009136389A Active JP5185205B2 (ja) | 2009-02-24 | 2009-06-05 | 半導体光検出素子 |
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US (2) | US8916945B2 (ja) |
EP (2) | EP3399558B1 (ja) |
JP (1) | JP5185205B2 (ja) |
KR (2) | KR101842410B1 (ja) |
CN (2) | CN105140315B (ja) |
TW (2) | TWI568009B (ja) |
WO (1) | WO2010098224A1 (ja) |
Cited By (15)
Publication number | Priority date | Publication date | Assignee | Title |
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Also Published As
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US20140061835A1 (en) | 2014-03-06 |
KR20170038094A (ko) | 2017-04-05 |
TWI482298B (zh) | 2015-04-21 |
KR20110136786A (ko) | 2011-12-21 |
US20110303999A1 (en) | 2011-12-15 |
US9419159B2 (en) | 2016-08-16 |
EP2403011B1 (en) | 2019-12-11 |
TWI568009B (zh) | 2017-01-21 |
KR101779212B1 (ko) | 2017-09-18 |
CN105140315B (zh) | 2020-07-21 |
KR101842410B1 (ko) | 2018-03-26 |
US8916945B2 (en) | 2014-12-23 |
CN105140315A (zh) | 2015-12-09 |
EP3399558A1 (en) | 2018-11-07 |
WO2010098224A1 (ja) | 2010-09-02 |
CN102334197A (zh) | 2012-01-25 |
EP2403011A4 (en) | 2013-03-20 |
EP2403011A1 (en) | 2012-01-04 |
TW201101522A (en) | 2011-01-01 |
JP5185205B2 (ja) | 2013-04-17 |
TW201511314A (zh) | 2015-03-16 |
CN102334197B (zh) | 2016-03-02 |
EP3399558B1 (en) | 2022-04-06 |
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