JP4976765B2 - 固体撮像装置 - Google Patents
固体撮像装置 Download PDFInfo
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- JP4976765B2 JP4976765B2 JP2006188530A JP2006188530A JP4976765B2 JP 4976765 B2 JP4976765 B2 JP 4976765B2 JP 2006188530 A JP2006188530 A JP 2006188530A JP 2006188530 A JP2006188530 A JP 2006188530A JP 4976765 B2 JP4976765 B2 JP 4976765B2
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- 238000003384 imaging method Methods 0.000 title claims description 82
- 239000000758 substrate Substances 0.000 claims description 40
- 239000004065 semiconductor Substances 0.000 claims description 39
- 238000009792 diffusion process Methods 0.000 claims description 29
- 239000012535 impurity Substances 0.000 claims description 29
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 230000005669 field effect Effects 0.000 claims description 3
- 239000010410 layer Substances 0.000 description 33
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000002955 isolation Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001151 other effect Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 229920005591 polysilicon Polymers 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
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Classifications
-
- 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
- H01L27/1462—Coatings
- H01L27/14623—Optical shielding
-
- 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
-
- 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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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Electromagnetism (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Solid State Image Pick-Up Elements (AREA)
Description
(第1実施形態)
(第2実施形態)
(第3実施形態)
2 固体撮像装置
3 固体撮像装置
10 半導体基板
12 P型ウエル領域
14 受光部
20 遮光膜
30 配線層
32,34,36 配線
42 ゲート絶縁膜
44 ゲート電極
46 N型不純物拡散層
48 N型不純物拡散層
50 ソースフォロアアンプ
58 出力端子
62 素子分離領域
64 配線
52 選択スイッチ用FET
54 検出用FET
56 負荷用FET
S1 表面
S2 裏面
Claims (12)
- 半導体基板の裏面に入射した光を光電変換することにより被撮像体を撮像する固体撮像装置であって、
前記半導体基板中に設けられ、前記半導体基板と共にPN接合ダイオードを構成し、前記光電変換により生じた信号電荷を受ける受光部と、
前記半導体基板の表面側に設けられた配線層と、
前記配線層中に設けられた遮光膜と、
前記受光部に隣接し、前記半導体基板と前記遮光膜との間に設けられたトランジスタと、
前記トランジスタと電気的に接続する配線と、
を備え、
前記遮光膜は、前記トランジスタと前記配線と前記受光部とを覆い、前記遮光膜は前記配線と同一の材料によって形成されている固体撮像装置。 - 請求項1に記載の固体撮像装置において、前記遮光膜は、前記受光部が設けられた領域の全体を覆っている固体撮像装置。
- 請求項2に記載の固体撮像装置において、前記遮光膜は、前記半導体基板の前記表面の全体を覆っている固体撮像装置。
- 請求項1乃至3いずれかに記載の固体撮像装置において、
前記遮光膜は、前記配線と電気的に接続している固体撮像装置。 - 請求項4に記載の固体撮像装置において、
前記遮光膜は、前記配線の一部である固体撮像装置。 - 請求項1乃至5いずれかに記載の固体撮像装置において、
前記半導体基板の裏面は、前記被撮像体が直接に接触する面である固体撮像装置。 - 請求項1乃至6いずれかに記載の固体撮像装置において、
前記被撮像体は、指である固体撮像装置。 - 請求項1乃至7いずれかに記載の固体撮像装置において、
前記受光部は、第1の不純物拡散層である固体撮像装置。 - 請求項8に記載の固体撮像装置において、
前記半導体基板の前記表面上に、前記受光部と隣接して設けられたゲート絶縁膜と、
前記ゲート絶縁膜上に設けられたゲート電極と、
前記ゲート絶縁膜および前記ゲート電極を挟んで、前記受光部の反対側に設けられた第2の不純物拡散層と、
を備え、
前記受光部、前記ゲート絶縁膜、前記ゲート電極および前記第2の不純物拡散層は、電界効果トランジスタを構成している固体撮像装置。 - 請求項8に記載の固体撮像装置において、
前記半導体基板中に、前記受光部と隣接して設けられた第2の不純物拡散層と、
前記半導体基板の前記表面上に、前記第2の不純物拡散層と隣接して設けられたゲート絶縁膜と、
前記ゲート絶縁膜上に設けられたゲート電極と、
前記ゲート絶縁膜および前記ゲート電極を挟んで、前記第2の不純物拡散層の反対側に設けられた第3の不純物拡散層と、を備え、
前記第2の不純物拡散層、前記ゲート絶縁膜、前記ゲート電極および前記第3の不純物拡散層は、電界効果トランジスタを構成している固体撮像装置。 - 前記配線はCuである請求項1乃至10いずれかに記載の固体撮像装置。
- 前記配線はAlである請求項1乃至10いずれかに記載の固体撮像装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006188530A JP4976765B2 (ja) | 2006-07-07 | 2006-07-07 | 固体撮像装置 |
US11/774,039 US7939825B2 (en) | 2006-07-07 | 2007-07-06 | Solid-state image pickup device |
CN2007101286275A CN101110440B (zh) | 2006-07-07 | 2007-07-09 | 固态成像装置 |
US13/078,676 US9159759B2 (en) | 2006-07-07 | 2011-04-01 | Solid-state image pickup device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006188530A JP4976765B2 (ja) | 2006-07-07 | 2006-07-07 | 固体撮像装置 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011281281A Division JP5432979B2 (ja) | 2011-12-22 | 2011-12-22 | 固体撮像装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008016733A JP2008016733A (ja) | 2008-01-24 |
JP4976765B2 true JP4976765B2 (ja) | 2012-07-18 |
Family
ID=38918384
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006188530A Active JP4976765B2 (ja) | 2006-07-07 | 2006-07-07 | 固体撮像装置 |
Country Status (3)
Country | Link |
---|---|
US (2) | US7939825B2 (ja) |
JP (1) | JP4976765B2 (ja) |
CN (1) | CN101110440B (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5198150B2 (ja) * | 2008-05-29 | 2013-05-15 | 株式会社東芝 | 固体撮像装置 |
JP5438374B2 (ja) | 2009-05-12 | 2014-03-12 | キヤノン株式会社 | 固体撮像装置 |
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JPS56165473A (en) * | 1980-05-24 | 1981-12-19 | Semiconductor Res Found | Semiconductor pickup device |
JPS5956766A (ja) * | 1982-09-27 | 1984-04-02 | Toshiba Corp | 固体撮像素子 |
JPH03148172A (ja) * | 1989-11-02 | 1991-06-24 | Mitsubishi Electric Corp | 固体撮像装置 |
JPH05218374A (ja) * | 1992-01-31 | 1993-08-27 | Canon Inc | 光電変換装置 |
US6188093B1 (en) * | 1997-09-02 | 2001-02-13 | Nikon Corporation | Photoelectric conversion devices and photoelectric conversion apparatus employing the same |
JP2000012819A (ja) * | 1998-06-17 | 2000-01-14 | Nikon Corp | 固体撮像素子 |
JP3319419B2 (ja) * | 1999-02-24 | 2002-09-03 | 日本電気株式会社 | 固体撮像装置 |
JP3530466B2 (ja) | 2000-07-17 | 2004-05-24 | Necエレクトロニクス株式会社 | 固体撮像装置 |
JP3759435B2 (ja) * | 2001-07-11 | 2006-03-22 | ソニー株式会社 | X−yアドレス型固体撮像素子 |
JP2003264279A (ja) * | 2002-03-12 | 2003-09-19 | Mitsubishi Electric Corp | 半導体装置の製造方法及び半導体装置 |
JP3722367B2 (ja) * | 2002-03-19 | 2005-11-30 | ソニー株式会社 | 固体撮像素子の製造方法 |
JP4182393B2 (ja) * | 2002-04-10 | 2008-11-19 | ソニー株式会社 | 固体撮像素子及びその製造方法 |
US7583826B2 (en) * | 2002-07-31 | 2009-09-01 | Casio Computer Co., Ltd. | Image reading apparatus and its driving method |
JP2004134672A (ja) * | 2002-10-11 | 2004-04-30 | Sony Corp | 超薄型半導体装置の製造方法および製造装置、並びに超薄型の裏面照射型固体撮像装置の製造方法および製造装置 |
JP4341421B2 (ja) * | 2004-02-04 | 2009-10-07 | ソニー株式会社 | 固体撮像装置 |
JP4389626B2 (ja) * | 2004-03-29 | 2009-12-24 | ソニー株式会社 | 固体撮像素子の製造方法 |
JP2006079589A (ja) * | 2004-08-05 | 2006-03-23 | Sanyo Electric Co Ltd | タッチパネル |
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US8049293B2 (en) * | 2005-03-07 | 2011-11-01 | Sony Corporation | Solid-state image pickup device, electronic apparatus using such solid-state image pickup device and method of manufacturing solid-state image pickup device |
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-
2006
- 2006-07-07 JP JP2006188530A patent/JP4976765B2/ja active Active
-
2007
- 2007-07-06 US US11/774,039 patent/US7939825B2/en active Active
- 2007-07-09 CN CN2007101286275A patent/CN101110440B/zh not_active Expired - Fee Related
-
2011
- 2011-04-01 US US13/078,676 patent/US9159759B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US20080006896A1 (en) | 2008-01-10 |
CN101110440A (zh) | 2008-01-23 |
JP2008016733A (ja) | 2008-01-24 |
CN101110440B (zh) | 2010-06-16 |
US7939825B2 (en) | 2011-05-10 |
US20110175186A1 (en) | 2011-07-21 |
US9159759B2 (en) | 2015-10-13 |
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