JP6994882B2 - 紫外線受光素子及び紫外線受光素子の製造方法 - Google Patents
紫外線受光素子及び紫外線受光素子の製造方法 Download PDFInfo
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- H10F39/00—Integrated devices, or assemblies of multiple devices, comprising at least one element covered by group H10F30/00, e.g. radiation detectors comprising photodiode arrays
- H10F39/10—Integrated devices
- H10F39/12—Image sensors
- H10F39/18—Complementary metal-oxide-semiconductor [CMOS] image sensors; Photodiode array image sensors
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
- G01J1/429—Photometry, e.g. photographic exposure meter using electric radiation detectors applied to measurement of ultraviolet light
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- H10F30/00—Individual radiation-sensitive semiconductor devices in which radiation controls the flow of current through the devices, e.g. photodetectors
- H10F30/20—Individual radiation-sensitive semiconductor devices in which radiation controls the flow of current through the devices, e.g. photodetectors the devices having potential barriers, e.g. phototransistors
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
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- H10F30/00—Individual radiation-sensitive semiconductor devices in which radiation controls the flow of current through the devices, e.g. photodetectors
- H10F30/20—Individual radiation-sensitive semiconductor devices in which radiation controls the flow of current through the devices, e.g. photodetectors the devices having potential barriers, e.g. phototransistors
- H10F30/21—Individual radiation-sensitive semiconductor devices in which radiation controls the flow of current through the devices, e.g. photodetectors the devices having potential barriers, e.g. phototransistors the devices being sensitive to infrared, visible or ultraviolet radiation
- H10F30/22—Individual radiation-sensitive semiconductor devices in which radiation controls the flow of current through the devices, e.g. photodetectors the devices having potential barriers, e.g. phototransistors the devices being sensitive to infrared, visible or ultraviolet radiation the devices having only one potential barrier, e.g. photodiodes
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
- H10F30/00—Individual radiation-sensitive semiconductor devices in which radiation controls the flow of current through the devices, e.g. photodetectors
- H10F30/20—Individual radiation-sensitive semiconductor devices in which radiation controls the flow of current through the devices, e.g. photodetectors the devices having potential barriers, e.g. phototransistors
- H10F30/21—Individual radiation-sensitive semiconductor devices in which radiation controls the flow of current through the devices, e.g. photodetectors the devices having potential barriers, e.g. phototransistors the devices being sensitive to infrared, visible or ultraviolet radiation
- H10F30/22—Individual radiation-sensitive semiconductor devices in which radiation controls the flow of current through the devices, e.g. photodetectors the devices having potential barriers, e.g. phototransistors the devices being sensitive to infrared, visible or ultraviolet radiation the devices having only one potential barrier, e.g. photodiodes
- H10F30/221—Individual radiation-sensitive semiconductor devices in which radiation controls the flow of current through the devices, e.g. photodetectors the devices having potential barriers, e.g. phototransistors the devices being sensitive to infrared, visible or ultraviolet radiation the devices having only one potential barrier, e.g. photodiodes the potential barrier being a PN homojunction
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
- H10F30/00—Individual radiation-sensitive semiconductor devices in which radiation controls the flow of current through the devices, e.g. photodetectors
- H10F30/20—Individual radiation-sensitive semiconductor devices in which radiation controls the flow of current through the devices, e.g. photodetectors the devices having potential barriers, e.g. phototransistors
- H10F30/21—Individual radiation-sensitive semiconductor devices in which radiation controls the flow of current through the devices, e.g. photodetectors the devices having potential barriers, e.g. phototransistors the devices being sensitive to infrared, visible or ultraviolet radiation
- H10F30/288—Individual radiation-sensitive semiconductor devices in which radiation controls the flow of current through the devices, e.g. photodetectors the devices having potential barriers, e.g. phototransistors the devices being sensitive to infrared, visible or ultraviolet radiation the devices being sensitive to multiple wavelengths, e.g. multi-spectrum radiation detection devices
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
- H10F39/00—Integrated devices, or assemblies of multiple devices, comprising at least one element covered by group H10F30/00, e.g. radiation detectors comprising photodiode arrays
- H10F39/011—Manufacture or treatment of image sensors covered by group H10F39/12
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
- H10F39/00—Integrated devices, or assemblies of multiple devices, comprising at least one element covered by group H10F30/00, e.g. radiation detectors comprising photodiode arrays
- H10F39/10—Integrated devices
- H10F39/103—Integrated devices the at least one element covered by H10F30/00 having potential barriers, e.g. integrated devices comprising photodiodes or phototransistors
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
- H10F71/00—Manufacture or treatment of devices covered by this subclass
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
- H10F77/00—Constructional details of devices covered by this subclass
- H10F77/10—Semiconductor bodies
- H10F77/14—Shape of semiconductor bodies; Shapes, relative sizes or dispositions of semiconductor regions within semiconductor bodies
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Light Receiving Elements (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Description
図1は、本発明の第1の実施形態に係る紫外線受光素子100の構成を示す断面図である。
図3~5は、本実施形態に係る紫外線受光素子100の製造方法における製造工程を説明するための工程断面図である。
図7は、本発明の第2の実施形態に係る紫外線受光素子200の構成を示す断面図である。なお、図1に示す第1の実施形態の紫外線受光素子100と同様の構成要素には同一の符号を付し、重複する説明は適宜省略する。
11 半導体基板
12a 紫外線に感度を有するフォトダイオード
12b 紫外線に感度を持たないフォトダイオード
13a、13b ウェル注入層
14a、14b 埋め込み注入層
15a、15b 表面注入層
16 スルー酸化膜
17a、17b ウェル注入層のピーク濃度位置
18 表面注入層のピーク濃度位置
Claims (2)
- 半導体基板の第1の領域に配置され、第1導電型の第1のウェル注入層と、前記第1のウェル注入層内に設けられた第2導電型の第1の埋め込み注入層と、前記第1の埋め込み注入層内の前記半導体基板表面に設けられた第1導電型の第1の表面注入層とを含み、紫外線に対して感度を有する第1のフォトダイオードと、
前記半導体基板の第2の領域に配置され、第1導電型の第2のウェル注入層と、前記第2のウェル注入層内に設けられた第2導電型の第2の埋め込み注入層と、前記第2の埋め込み注入層内の前記半導体基板表面に設けられた第1導電型の第2の表面注入層とを含み、紫外線に対して前記第1のフォトダイオードよりも感度が低い第2のフォトダイオードとを備え、
前記半導体基板表面から前記第2の表面注入層のピーク濃度位置までの深さをds、前記半導体基板表面から前記第1のウェル注入層のピーク濃度位置までの深さをxp、前記半導体基板における光の吸収係数をαとし、xpが100nm以上であり、
により算出されるdp分、前記第2のウェル注入層のピーク濃度位置が前記第1のウェル注入層のピーク濃度位置よりも深いことを特徴とする紫外線受光素子。 - 第1の導電型の半導体基板の第1の領域に、第2導電型の第1のウェル注入層と、前記第1のウェル注入層内に設けられた第1導電型の第1の埋め込み注入層と、前記第1の埋め込み注入層内の前記半導体基板表面に設けられた第2導電型の第1の表面注入層とを含む紫外線に対して感度を有する第1のフォトダイオードを形成する工程と、
前記半導体基板の第2の領域に、第2導電型の第2のウェル注入層と、前記第2のウェ
ル注入層内に設けられた第1導電型の第2の埋め込み注入層と、前記第2の埋め込み注入層内の前記半導体基板表面に設けられた第2導電型の第2の表面注入層とを含む紫外線に対して前記第1のフォトダイオードよりも感度が低い第2のフォトダイオードを形成する工程とを備え、
前記半導体基板表面から前記第2の表面注入層のピーク濃度位置までの深さをds、前記半導体基板表面から前記第1のウェル注入層のピーク濃度位置までの深さをxp、前記半導体基板における光の吸収係数をαとし、xpが100nm以上であり、
により算出されるdp分、前記第2のウェル注入層のピーク濃度位置が前記第1のウェル注入層のピーク濃度位置よりも深くなるように前記第2のウェル注入層を形成することを特徴とする紫外線受光素子の製造方法。
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017183963A JP6994882B2 (ja) | 2017-09-25 | 2017-09-25 | 紫外線受光素子及び紫外線受光素子の製造方法 |
| TW107132138A TWI772518B (zh) | 2017-09-25 | 2018-09-12 | 紫外線受光元件以及紫外線受光元件的製造方法 |
| KR1020180112247A KR20190035536A (ko) | 2017-09-25 | 2018-09-19 | 자외선 수광 소자 및 자외선 수광 소자의 제조 방법 |
| CN201811107540.4A CN109560160A (zh) | 2017-09-25 | 2018-09-21 | 紫外线受光元件和紫外线受光元件的制造方法 |
| US16/139,360 US20190096928A1 (en) | 2017-09-25 | 2018-09-24 | Ultraviolet light receiving element and method of manufacturing ultraviolet light receiving element |
| EP18196362.0A EP3460847B1 (en) | 2017-09-25 | 2018-09-24 | Ultraviolet light receiving element and method of manufacturing ultraviolet light receiving element |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017183963A JP6994882B2 (ja) | 2017-09-25 | 2017-09-25 | 紫外線受光素子及び紫外線受光素子の製造方法 |
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| Publication Number | Publication Date |
|---|---|
| JP2019062024A JP2019062024A (ja) | 2019-04-18 |
| JP6994882B2 true JP6994882B2 (ja) | 2022-01-14 |
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| JP2017183963A Expired - Fee Related JP6994882B2 (ja) | 2017-09-25 | 2017-09-25 | 紫外線受光素子及び紫外線受光素子の製造方法 |
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| Country | Link |
|---|---|
| US (1) | US20190096928A1 (ja) |
| EP (1) | EP3460847B1 (ja) |
| JP (1) | JP6994882B2 (ja) |
| KR (1) | KR20190035536A (ja) |
| CN (1) | CN109560160A (ja) |
| TW (1) | TWI772518B (ja) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US11172142B2 (en) * | 2018-09-25 | 2021-11-09 | Taiwan Semiconductor Manufacturing Co., Ltd. | Image sensor for sensing LED light with reduced flickering |
| CN112464799B (zh) * | 2020-11-25 | 2024-07-19 | 京东方科技集团股份有限公司 | 指纹识别基板及其制备方法、识别方法和显示装置 |
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| JP2007067331A (ja) | 2005-09-02 | 2007-03-15 | Matsushita Electric Works Ltd | 紫外線センサ |
| JP2009158569A (ja) | 2007-12-25 | 2009-07-16 | Seiko Instruments Inc | 光検出半導体装置、光検出装置、及び画像表示装置 |
| JP2009170615A (ja) | 2008-01-15 | 2009-07-30 | Oki Semiconductor Co Ltd | 光センサおよびそれを備えたフォトic |
| JP2010232509A (ja) | 2009-03-27 | 2010-10-14 | Oki Semiconductor Co Ltd | 光半導体および光半導体の製造方法 |
| US20130309803A1 (en) | 2008-12-31 | 2013-11-21 | Stmicroelectronics S.R.L. | Radiation sensor with photodiodes being integrated on a semiconductor substrate and corresponding integration process |
| WO2015151198A1 (ja) | 2014-03-31 | 2015-10-08 | 国立大学法人東北大学 | 紫外光用固体受光デバイス |
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| JPH01207640A (ja) * | 1988-02-16 | 1989-08-21 | Hamamatsu Photonics Kk | 半導体光検出装置と紫外線検出方法および半導体光検出素子とその製造方法 |
| JPH02232531A (ja) * | 1989-03-07 | 1990-09-14 | Hamamatsu Photonics Kk | 光検出装置 |
| JP2005159062A (ja) * | 2003-11-27 | 2005-06-16 | Sony Corp | 固体撮像装置の製造方法およびイオン注入角度算出プログラム |
| JP2009099722A (ja) * | 2007-10-16 | 2009-05-07 | Oki Semiconductor Co Ltd | 半導体受光素子および照度センサ |
| KR20100107995A (ko) * | 2009-03-27 | 2010-10-06 | 삼성전기주식회사 | 광 픽업용 광 검출기 집적회로의 포토 다이오드 셀 구조 및그 제조방법 |
| US8368159B2 (en) * | 2011-07-08 | 2013-02-05 | Excelitas Canada, Inc. | Photon counting UV-APD |
| WO2015170698A1 (ja) * | 2014-05-09 | 2015-11-12 | 国立大学法人東北大学 | 紫外光用固体受光デバイス |
| DE112015006307B4 (de) * | 2015-03-13 | 2026-01-15 | Mitsubishi Electric Corporation | Verfahren einer Fertigung einer Halbleitervorrichtung |
| CN205564748U (zh) * | 2016-03-22 | 2016-09-07 | 中国电子科技集团公司第三十八研究所 | 一种红斑响应探测器 |
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2017
- 2017-09-25 JP JP2017183963A patent/JP6994882B2/ja not_active Expired - Fee Related
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2018
- 2018-09-12 TW TW107132138A patent/TWI772518B/zh not_active IP Right Cessation
- 2018-09-19 KR KR1020180112247A patent/KR20190035536A/ko not_active Ceased
- 2018-09-21 CN CN201811107540.4A patent/CN109560160A/zh not_active Withdrawn
- 2018-09-24 EP EP18196362.0A patent/EP3460847B1/en active Active
- 2018-09-24 US US16/139,360 patent/US20190096928A1/en not_active Abandoned
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| JP2007067331A (ja) | 2005-09-02 | 2007-03-15 | Matsushita Electric Works Ltd | 紫外線センサ |
| JP2009158569A (ja) | 2007-12-25 | 2009-07-16 | Seiko Instruments Inc | 光検出半導体装置、光検出装置、及び画像表示装置 |
| JP2009170615A (ja) | 2008-01-15 | 2009-07-30 | Oki Semiconductor Co Ltd | 光センサおよびそれを備えたフォトic |
| US20130309803A1 (en) | 2008-12-31 | 2013-11-21 | Stmicroelectronics S.R.L. | Radiation sensor with photodiodes being integrated on a semiconductor substrate and corresponding integration process |
| JP2010232509A (ja) | 2009-03-27 | 2010-10-14 | Oki Semiconductor Co Ltd | 光半導体および光半導体の製造方法 |
| WO2015151198A1 (ja) | 2014-03-31 | 2015-10-08 | 国立大学法人東北大学 | 紫外光用固体受光デバイス |
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Also Published As
| Publication number | Publication date |
|---|---|
| TWI772518B (zh) | 2022-08-01 |
| KR20190035536A (ko) | 2019-04-03 |
| US20190096928A1 (en) | 2019-03-28 |
| CN109560160A (zh) | 2019-04-02 |
| EP3460847A1 (en) | 2019-03-27 |
| EP3460847B1 (en) | 2020-05-13 |
| JP2019062024A (ja) | 2019-04-18 |
| TW201924032A (zh) | 2019-06-16 |
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