JP2008182185A - 裏面照射型半導体装置およびその製造方法 - Google Patents
裏面照射型半導体装置およびその製造方法 Download PDFInfo
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- JP2008182185A JP2008182185A JP2007233077A JP2007233077A JP2008182185A JP 2008182185 A JP2008182185 A JP 2008182185A JP 2007233077 A JP2007233077 A JP 2007233077A JP 2007233077 A JP2007233077 A JP 2007233077A JP 2008182185 A JP2008182185 A JP 2008182185A
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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
- H10F39/12—Image sensors
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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
- H10F39/80—Constructional details of image sensors
- H10F39/807—Pixel isolation structures
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
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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
- H10F39/12—Image sensors
- H10F39/199—Back-illuminated image sensors
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Abstract
【解決手段】本装置は、表面及び裏面を有する基板と、その基板に形成された複数のセンサ素子及びセンサ隔絶構造を有し、複数のセンサの各々は裏面に向けられた光を受けるように設計及び構成され、センサ隔絶構造は、複数のセンサ素子の隣接する2つの素子間には水平に、裏面と表面間には垂直に配置されている。
【選択図】図1
Description
もう1つの特徴が形成される実施例を含むことになる。
110 半導体基板
120 センサ素子
130 多層配線
140 層間絶縁膜(層間誘電体層、又はILD)
150 光(放射)
160 センサ隔絶構造
170 保護層
Claims (15)
- 表面及び裏面を有する基板と、
前記基板に形成され、前記裏面に向けられた光を受けるように構成された複数のセンサ素子と、
前記基板に形成され、複数の前記センサ素子のうち、隣接する2つの前記センサ素子間に水平に配置されるとともに、前記裏面と前記表面との間に垂直に配置されたセンサ隔絶構造と
から構成されることを特徴とする裏面照射型半導体装置。 - 前記センサ隔絶構造が、2つの隣接する前記センサ素子間の光学的及び電気的干渉の少なくとも1つを減少させるように設計されていることを特徴とする請求項1記載の裏面照射型半導体装置。
- 前記センサ隔絶構造がドープ領域から構成されることを特徴とする請求項1記載の裏面照射型半導体装置。
- 前記ドープ領域が、1014atoms/cm3〜1021atoms/cm3の範囲のドーピング濃度で構成されることを特徴とする請求項3記載の裏面照射型半導体装置。
- 動作電圧が、−1V〜10Vの範囲であることを特徴とする請求項3記載の裏面照射型半導体装置。
- 前記センサ隔絶構造が、動作中、電気的に浮動であるように設計されていることを特徴とする請求項3記載の裏面照射型半導体装置。
- 前記センサ隔絶構造が埋め込み構造から構成されることを特徴とする請求項1記載の裏面照射型半導体装置。
- 前記埋め込み構造が、空気、誘電体、不透明材料、金属材料、及びそれらの組み合わせから構成されるグループの中から選択される材料で充満されていることを特徴とする請求項7記載の裏面照射型半導体装置。
- 前記センサ隔絶構造が、0.1μm〜10μmの範囲の幅と、前記基板の厚さの約10%〜約90%の範囲の深さとで構成されることを特徴とする請求項1記載の裏面照射型半導体装置。
- 前記センサ素子が、相補型金属酸化物半導体(CMOS)イメージセンサ、電荷結合素子センサ、能動ピクセルセンサ、受動ピクセルセンサ、及びそれらの組み合わせから構成されるグループの中から選択されることを特徴とする請求項1記載の裏面照射型半導体装置。
- 前記センサ素子が、前記表面に配置され、導電性配線が前記センサ素子を覆って前記表面上に配置されていることを特徴とする請求項1記載の裏面照射型半導体装置。
- 前記裏面に配置され、前記裏面に向けた光を受け、前記光を前記センサ素子に向けるように設計されたマイクロレンズを有することを特徴とする請求項11記載の裏面照射型半導体装置。
- 表面と裏面を有する基板を提供する工程と、
前記表面にセンサ素子を形成する工程と、
前記表面に、前記センサ素子を覆うように、導電性配線を形成する工程と、
前記基板に、前記センサ素子の周りに配置されるとともに、前記裏面と前記導電性配線間に垂直に配置されるセンサ隔絶構造を形成する工程と
から構成されることを特徴とする裏面照射型半導体装置の製造方法。 - 前記センサ隔絶構造を形成する工程が、空気、誘電体、不透明材料、金属材料、及びそれらの組み合わせから構成されるグループの中から選択される材料で充満される埋め込み構造を形成する工程を有することを特徴とする請求項13記載の裏面照射型半導体装置の製造方法。
- 前記センサ隔絶構造を形成する工程が、ドープ領域を形成する工程を有することを特徴とする請求項13記載の裏面照射型半導体装置の製造方法。
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11/626,757 US7485940B2 (en) | 2007-01-24 | 2007-01-24 | Guard ring structure for improving crosstalk of backside illuminated image sensor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2008182185A true JP2008182185A (ja) | 2008-08-07 |
| JP4646957B2 JP4646957B2 (ja) | 2011-03-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| JP2007233077A Active JP4646957B2 (ja) | 2007-01-24 | 2007-09-07 | 裏面照射型半導体装置およびその製造方法 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US7485940B2 (ja) |
| JP (1) | JP4646957B2 (ja) |
| KR (1) | KR100992508B1 (ja) |
| CN (1) | CN101232031A (ja) |
| TW (1) | TWI339894B (ja) |
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| JP2010067827A (ja) * | 2008-09-11 | 2010-03-25 | Fujifilm Corp | 固体撮像素子及び撮像装置 |
| JP2010165916A (ja) * | 2009-01-16 | 2010-07-29 | Hamamatsu Photonics Kk | 裏面入射型フォトダイオードアレイ及び放射線検出器 |
| JP2010165915A (ja) * | 2009-01-16 | 2010-07-29 | Hamamatsu Photonics Kk | 放射線検出器及びその製造方法 |
| JP2010165913A (ja) * | 2009-01-16 | 2010-07-29 | Hamamatsu Photonics Kk | 裏面入射型フォトダイオードアレイ及び放射線検出器 |
| JP2011003860A (ja) * | 2009-06-22 | 2011-01-06 | Sony Corp | 固体撮像装置とその製造方法、及び電子機器 |
| JP2011044489A (ja) * | 2009-08-19 | 2011-03-03 | Toshiba Corp | 固体撮像装置及びその製造方法 |
| JP2012023207A (ja) * | 2010-07-14 | 2012-02-02 | Toshiba Corp | 裏面照射型固体撮像装置 |
| US8119439B2 (en) | 2009-02-09 | 2012-02-21 | Samsung Electronics Co., Ltd. | Methods of manufacturing an image sensor having an air gap |
| JP2012038981A (ja) * | 2010-08-09 | 2012-02-23 | Sony Corp | 固体撮像装置とその製造方法、並びに電子機器 |
| US8928784B2 (en) | 2009-02-10 | 2015-01-06 | Sony Corporation | Solid-state imaging device, method of manufacturing the same, and electronic apparatus |
| JP2015164210A (ja) * | 2015-04-16 | 2015-09-10 | ソニー株式会社 | 固体撮像装置、及び電子機器 |
| JP2016149515A (ja) * | 2015-02-12 | 2016-08-18 | オプティツ インコーポレイテッド | 非平面光インタフェースを備えた裏面照明式イメージセンサ |
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Also Published As
| Publication number | Publication date |
|---|---|
| US20080173963A1 (en) | 2008-07-24 |
| US7485940B2 (en) | 2009-02-03 |
| TWI339894B (en) | 2011-04-01 |
| CN101232031A (zh) | 2008-07-30 |
| JP4646957B2 (ja) | 2011-03-09 |
| KR100992508B1 (ko) | 2010-11-08 |
| KR20080069901A (ko) | 2008-07-29 |
| TW200832685A (en) | 2008-08-01 |
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