JP4865267B2 - 固体撮像装置及び内視鏡 - Google Patents
固体撮像装置及び内視鏡 Download PDFInfo
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/04—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor combined with photographic or television appliances
- A61B1/05—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor combined with photographic or television appliances characterised by the image sensor, e.g. camera, being in the distal end portion
- A61B1/051—Details of CCD assembly
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/555—Constructional details for picking-up images in sites, inaccessible due to their dimensions or hazardous conditions, e.g. endoscopes or borescopes
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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
- H10F39/15—Charge-coupled device [CCD] image sensors
- H10F39/153—Two-dimensional or three-dimensional array CCD image sensors
- H10F39/1534—Interline transfer
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- H—ELECTRICITY
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- 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
- H10F39/804—Containers or encapsulations
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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
- H10F39/805—Coatings
- H10F39/8057—Optical shielding
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/04—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor combined with photographic or television appliances
- A61B1/05—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor combined with photographic or television appliances characterised by the image sensor, e.g. camera, being in the distal end portion
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/02—Bonding areas; Manufacturing methods related thereto
- H01L2224/04—Structure, shape, material or disposition of the bonding areas prior to the connecting process
- H01L2224/05—Structure, shape, material or disposition of the bonding areas prior to the connecting process of an individual bonding area
- H01L2224/0554—External layer
- H01L2224/0555—Shape
- H01L2224/05552—Shape in top view
- H01L2224/05554—Shape in top view being square
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- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
- H01L2224/4805—Shape
- H01L2224/4809—Loop shape
- H01L2224/48091—Arched
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- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
- H01L2224/481—Disposition
- H01L2224/48135—Connecting between different semiconductor or solid-state bodies, i.e. chip-to-chip
- H01L2224/48137—Connecting between different semiconductor or solid-state bodies, i.e. chip-to-chip the bodies being arranged next to each other, e.g. on a common substrate
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/15—Details of package parts other than the semiconductor or other solid state devices to be connected
- H01L2924/161—Cap
- H01L2924/162—Disposition
- H01L2924/16235—Connecting to a semiconductor or solid-state bodies, i.e. cap-to-chip
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- Radiology & Medical Imaging (AREA)
- Heart & Thoracic Surgery (AREA)
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- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Optics & Photonics (AREA)
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- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
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- Signal Processing (AREA)
- Endoscopes (AREA)
- Solid State Image Pick-Up Elements (AREA)
- Transforming Light Signals Into Electric Signals (AREA)
Description
図7(A)〜(G)は、ウエハレベルCSP(chip size package)法による固体撮像装置の製造方法を示す概略的な断面図である。
図3(A)を参照する。CCD型固体撮像素子は、たとえば正方行列状に配置された複数の感光領域62、複数の感光領域62の列に沿って形成された複数の垂直転送チャネル(垂直CCD)64、受光領域(画素配列領域)61外で各垂直転送チャネル64の端部に電気的に結合された水平転送チャネル(水平CCD)66、及び水平転送チャネル66の端部に結合された電荷検出部67を含んで構成される。なお、受光領域61は感光領域62及び垂直転送チャネル64を含んで構成される。
12 観察光学系
13 ノズル
14 鉗子口
14a 鉗子
15 チューブ
20 光
21 対物レンズ
22 プリズム
24 パッド
25 リード
26 配線基板
27 支持板
30、31 高濃度p型不純物層
32 高濃度n型不純物層
33 ドレイン・ゲート電極
50 半導体チップ
51 シリコン基板
52 半導体デバイス
53、53a、53b、53c パシベーション膜
54 接着剤
55 スペーサ
55a シリコン基板
56 接着剤
57 保護ガラス
58 レジスト
59 パッド
60 素子間溝部
61 受光領域
62 感光領域
64 垂直転送チャネル
66 水平転送チャネル
67 電荷検出部
68 固体撮像素子
69 切断溝
71 電荷蓄積領域
72 トランスファーゲート
74 絶縁膜
75 垂直転送電極
76 チャネルストップ領域
77 酸化シリコン膜
78 窒化シリコン膜
79 遮光膜
79a 開口部
82 ウエル層
83a、83b 平坦化層
84 カラーフィルタ層
85マイクロレンズ
90 シールド層
91 SiO2層
92 Al層
93 多結晶シリコン層
94 基板コンタクト
95 保護抵抗
96 メタルゲートフィールドトランジスタ
97 ダイオード
Claims (17)
- 第1導電型の半導体基板と、
前記半導体基板の表面近傍に形成された、前記第1導電型とは逆導電型の第2導電型のウエルと、
前記ウエル内に形成された受光領域であって、行列状に形成され、入射光の光量に応じて生成された信号電荷を蓄積する複数の前記第1導電型の電荷蓄積領域と、複数の前記電荷蓄積領域の列に沿って形成され、前記電荷蓄積領域に蓄積された信号電荷が読み出され、読み出された前記信号電荷を列方向に転送する垂直CCDとを含む受光領域と、
前記ウエル内に形成され、前記垂直CCDの端部に結合され、前記垂直CCDから転送された前記信号電荷を行方向に転送する水平CCDと、
前記ウエル内の、前記受光領域及び水平CCDの周辺領域の一部に形成された周辺回路と、
前記周辺回路の一部の上方を含み、前記半導体基板上に、前記受光領域を取り囲むように導電材料で形成され、前記第1導電型の半導体基板と電気的に接続されたシールド層と、
前記シールド層上方に配置され、導電材料で形成された支持体と、
前記支持体上に載置された透明部材と
を有する固体撮像装置。 - 前記シールド層がアルミニウムまたはアルミニウムを主成分とした銅もしくはシリコンとの合金で形成されている請求項1に記載の固体撮像装置。
- 更に、前記受光領域の各電荷蓄積領域上方に開口部を備える遮光膜を含む請求項1または2に記載の固体撮像装置。
- 前記遮光膜がタングステンで形成されている請求項3に記載の固体撮像装置。
- 前記シールド層が前記遮光膜と同一金属層から形成されている請求項3または4に記載の固体撮像装置。
- 前記行列状に配置された電荷蓄積領域が、第1の正方行列状に配列された第1の電荷蓄積領域と、前記第1の正方行列状に配列された第1の電荷蓄積領域の格子間位置に、第2の正方行列状に配列された第2の電荷蓄積領域とを含む請求項1〜5のいずれか1項に記載の固体撮像装置。
- 前記第1導電型がn型である請求項1〜6のいずれか1項に記載の固体撮像装置。
- 光を照射する光源と、
第1導電型の半導体基板と、前記半導体基板の表面近傍に形成された、前記第1導電型とは逆導電型の第2導電型のウエルと、前記ウエル内に形成された受光領域であって、行列状に形成され、入射光の光量に応じて生成された信号電荷を蓄積する複数の前記第1導電型の電荷蓄積領域と、複数の前記電荷蓄積領域の列に沿って形成され、前記電荷蓄積領域に蓄積された信号電荷が読み出され、読み出された前記信号電荷を列方向に転送する垂直CCDとを含む受光領域と、前記ウエル内に形成され、前記垂直CCDの端部に結合され、前記垂直CCDから転送された前記信号電荷を行方向に転送する水平CCDと、前記ウエル内の、前記受光領域及び水平CCDの周辺領域の一部に形成された周辺回路と、前記周辺回路の一部の上方を含み、前記半導体基板上に、前記受光領域を取り囲むように導電材料で形成され、前記第1導電型の半導体基板と電気的に接続されたシールド層と、前記シールド層上方に配置され、導電材料で形成された支持体と、前記支持体上に載置された透明部材とを有する固体撮像装置と、
前記光源及び前記固体撮像装置を内部に備える伝送管と
を有する内視鏡。 - 前記シールド層がアルミニウムまたはアルミニウムを主成分とした銅もしくはシリコンとの合金で形成されている請求項8に記載の内視鏡。
- 更に、前記受光領域の各電荷蓄積領域上方に開口部を備える遮光膜を含む請求項8または9に記載の内視鏡。
- 前記遮光膜がタングステンで形成されている請求項10に記載の内視鏡。
- 前記シールド層が前記遮光膜と同一金属層で形成されている請求項10または11に記載の内視鏡。
- 前記行列状に配置された電荷蓄積領域が、第1の正方行列状に配列された第1の電荷蓄積領域と、前記第1の正方行列状に配列された第1の電荷蓄積領域の格子間位置に、第2の正方行列状に配列された第2の電荷蓄積領域とを含む請求項8〜12のいずれか1項に記載の内視鏡。
- 前記第1導電型がn型である請求項8〜13のいずれか1項に記載の内視鏡。
- 前記光源が、赤外線領域の光をカットされた白色光を出射する請求項8〜14のいずれか1項に記載の内視鏡。
- 更に、前記伝送管の内部に備えられ、気体または液体を噴き出す噴き出し装置を含む請求項8〜15のいずれか1項に記載の内視鏡。
- 更に、前記伝送管は開口部を備え、前記伝送管の内部に備えられ、前記開口部を介して出し入れ可能であり、対象物を挟むことのできる操作装置を含む請求項8〜16のいずれか1項に記載の内視鏡。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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JP2005205820A JP4865267B2 (ja) | 2005-07-14 | 2005-07-14 | 固体撮像装置及び内視鏡 |
EP06253418A EP1744369A3 (en) | 2005-07-14 | 2006-06-29 | Solid state image pickup device and endoscope |
US11/483,084 US8049803B2 (en) | 2005-07-14 | 2006-07-10 | Solid state image pickup device and endoscope |
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JP2005205820A JP4865267B2 (ja) | 2005-07-14 | 2005-07-14 | 固体撮像装置及び内視鏡 |
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JP2007027318A JP2007027318A (ja) | 2007-02-01 |
JP4865267B2 true JP4865267B2 (ja) | 2012-02-01 |
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JP2005205820A Expired - Fee Related JP4865267B2 (ja) | 2005-07-14 | 2005-07-14 | 固体撮像装置及び内視鏡 |
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US (1) | US8049803B2 (ja) |
EP (1) | EP1744369A3 (ja) |
JP (1) | JP4865267B2 (ja) |
Families Citing this family (5)
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KR100793369B1 (ko) * | 2006-07-06 | 2008-01-11 | 삼성전자주식회사 | 분해능이 향상되는 이미지 센서 및 이를 이용한 이미지감지 방법 |
JP5396809B2 (ja) * | 2008-10-17 | 2014-01-22 | ソニー株式会社 | 固体撮像装置、カメラ、および、固体撮像装置の製造方法 |
US9679941B2 (en) | 2015-03-17 | 2017-06-13 | Visera Technologies Company Limited | Image-sensor structures |
WO2020115813A1 (ja) * | 2018-12-04 | 2020-06-11 | オリンパス株式会社 | 半導体装置、内視鏡、および、半導体装置の製造方法 |
JP2022185892A (ja) | 2021-06-03 | 2022-12-15 | シャープディスプレイテクノロジー株式会社 | 光電変換パネル、x線パネル、及び撮像装置 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
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JPS6046674A (ja) * | 1983-08-24 | 1985-03-13 | Toshiba Corp | 固体撮像装置 |
JPH01100964A (ja) * | 1987-10-14 | 1989-04-19 | Fuji Photo Film Co Ltd | イメージセンサ |
JP2871760B2 (ja) * | 1989-11-28 | 1999-03-17 | 日本電気株式会社 | 固体撮像装置 |
JPH06233739A (ja) * | 1993-02-10 | 1994-08-23 | Olympus Optical Co Ltd | 内視鏡用ライトガイドコネクタ |
JPH07275200A (ja) * | 1994-04-15 | 1995-10-24 | Asahi Optical Co Ltd | 内視鏡の照明装置 |
JP2000200892A (ja) * | 1995-12-22 | 2000-07-18 | Sanyo Electric Co Ltd | ホトダイオード内蔵半導体装置 |
JPH11295620A (ja) * | 1998-04-15 | 1999-10-29 | Olympus Optical Co Ltd | 電子内視鏡 |
US6960817B2 (en) * | 2000-04-21 | 2005-11-01 | Canon Kabushiki Kaisha | Solid-state imaging device |
US6752755B2 (en) * | 2000-08-07 | 2004-06-22 | Fuji Photo Optical Co., Ltd. | Endoscope and endoscope cap with recessed focal point |
JP2002335450A (ja) * | 2001-05-09 | 2002-11-22 | Fuji Film Microdevices Co Ltd | 固体撮像素子の駆動方法および固体撮像素子 |
JP4337549B2 (ja) * | 2002-04-04 | 2009-09-30 | ソニー株式会社 | 固体撮像装置 |
JP4241160B2 (ja) | 2002-04-22 | 2009-03-18 | 富士フイルム株式会社 | 固体撮像装置の製造方法 |
US6952042B2 (en) * | 2002-06-17 | 2005-10-04 | Honeywell International, Inc. | Microelectromechanical device with integrated conductive shield |
JP2004063786A (ja) * | 2002-07-29 | 2004-02-26 | Fuji Photo Film Co Ltd | 固体撮像装置およびその製造方法 |
JP4739697B2 (ja) * | 2004-06-22 | 2011-08-03 | 富士フイルム株式会社 | 固体撮像素子及び内視鏡 |
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2005
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Also Published As
Publication number | Publication date |
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US8049803B2 (en) | 2011-11-01 |
EP1744369A2 (en) | 2007-01-17 |
JP2007027318A (ja) | 2007-02-01 |
US20070012954A1 (en) | 2007-01-18 |
EP1744369A3 (en) | 2009-09-30 |
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