JP2005303310A - 光学効率を増加させる金属パターン周辺の絶縁層の平坦化方法 - Google Patents
光学効率を増加させる金属パターン周辺の絶縁層の平坦化方法 Download PDFInfo
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- JP2005303310A JP2005303310A JP2005114397A JP2005114397A JP2005303310A JP 2005303310 A JP2005303310 A JP 2005303310A JP 2005114397 A JP2005114397 A JP 2005114397A JP 2005114397 A JP2005114397 A JP 2005114397A JP 2005303310 A JP2005303310 A JP 2005303310A
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- 229910052751 metal Inorganic materials 0.000 title claims abstract description 142
- 239000002184 metal Substances 0.000 title claims abstract description 142
- 238000000034 method Methods 0.000 title claims abstract description 50
- 230000003287 optical effect Effects 0.000 title claims abstract description 28
- 239000000758 substrate Substances 0.000 claims abstract description 26
- 239000012212 insulator Substances 0.000 claims abstract description 12
- 238000005498 polishing Methods 0.000 claims description 18
- 238000005530 etching Methods 0.000 claims description 7
- 239000000126 substance Substances 0.000 claims description 5
- 239000004065 semiconductor Substances 0.000 claims description 4
- 238000000151 deposition Methods 0.000 claims description 3
- 229920002120 photoresistant polymer Polymers 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 239000010410 layer Substances 0.000 description 107
- 150000002739 metals Chemical class 0.000 description 57
- 239000011810 insulating material Substances 0.000 description 14
- 238000002845 discoloration Methods 0.000 description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 5
- 238000001514 detection method Methods 0.000 description 5
- 238000002161 passivation Methods 0.000 description 5
- 229910052814 silicon oxide Inorganic materials 0.000 description 5
- 239000002356 single layer Substances 0.000 description 5
- 238000012876 topography Methods 0.000 description 5
- 229910052581 Si3N4 Inorganic materials 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 206010034972 Photosensitivity reaction Diseases 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 150000002736 metal compounds Chemical class 0.000 description 3
- 229910001092 metal group alloy Inorganic materials 0.000 description 3
- 230000036211 photosensitivity Effects 0.000 description 3
- 238000005268 plasma chemical vapour deposition Methods 0.000 description 3
- 238000001020 plasma etching Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 description 1
- 238000007517 polishing process Methods 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/768—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics
- H01L21/76801—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the dielectrics, e.g. smoothing
- H01L21/76819—Smoothing of the dielectric
-
- 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
- H01L27/14621—Colour filter arrangements
-
- 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
- H01L27/14625—Optical elements or arrangements associated with the device
- H01L27/14627—Microlenses
-
- 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
- H01L27/14683—Processes or apparatus peculiar to the manufacture or treatment of these devices or parts thereof
-
- 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
- H01L27/14683—Processes or apparatus peculiar to the manufacture or treatment of these devices or parts thereof
- H01L27/14685—Process for coatings or optical elements
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Electromagnetism (AREA)
- Manufacturing & Machinery (AREA)
- Solid State Image Pick-Up Elements (AREA)
- Light Receiving Elements (AREA)
Abstract
【解決手段】 絶縁層の平坦化と均一性を改善して、CCDとCMOSイメージセンサーデバイスの光学効率を向上させる方法とシステムを提供する。具体例において、好ましい光学効率を達成する絶縁体の平坦化方法は、まず、金属パターンの上と周囲に、光透過性を有する第一絶縁体を成膜する。光学センサーは、金属形状間の領域の基板中、或いは、その上に形成される。金属パターンは、それらの間と下に位置するセンサーを、電磁波から保護する。第一絶縁層が、CMPにより研磨された後、傾斜表面が形成され、更に、平坦化工程によりこの不均一表面を除去し、好ましいセンサー機能を有する均一な絶縁体厚さを形成する。
【選択図】 図2
Description
110、214、312、412、512 第一絶縁層
202、502 検出部
216、314、414 第二絶縁層
220、520 基板
224、316、416 カラーフィルター層
514 リセス
516 フォトマスク
Claims (11)
- 半導体装置の形成方法であって、
金属形状を有する金属パターンを基板上に提供する工程と、
前記金属形状上と前記金属形状間の前記基板上に、少なくとも一つの光透過性の第一絶縁層を成膜する工程と、
少なくとも一つの前記第一絶縁層を研磨する工程と、
前記金属形状と前記第一絶縁層上に、第二絶縁層を形成し、前記金属形状上は、相同の第一絶縁体厚さを有し、前記金属形状間の前記基板上は、相同の第二絶縁体厚さを有することを特徴とする方法。 - 更に、前記金属形状間の領域の前記基板内、或いは、その上に、光学センサーを提供し、カラーフィルター、及び、前記光学センサー中の一つ以上に、少なくとも一つ以上のマイクロレンズを形成する工程を含むことを特徴とする請求項1に記載の方法。
- 少なくとも一つの第一絶縁層を研磨する前記工程は、化学機械研磨工程を含み、前記工程は、前記金属形状よりも速い速度で、前記第一絶縁層を研磨し、前記金属形状の上表面より低い、少なくとも一つの前記第一絶縁層の上表面を形成することを特徴とする請求項1に記載の方法。
- 更に、前記研磨の後、少なくとも一つの前記第一絶縁層を選択的にエッチングし、前記金属形状の上表面より低い、少なくとも一つの前記第一絶縁層の上表面を形成する工程を含むことを特徴とする請求項1に記載の方法。
- 前記研磨は、前記金属形状の前記上表面を露出しないことを特徴とする請求項4に記載の方法。
- 更に、少なくとも一つの前記第一絶縁層よりも速い速度で、前記金属形状を研磨し、少なくとも一つの前記第一絶縁層の上表面より低い、前記金属形状の上表面を形成する工程を含むことを特徴とする請求項1に記載の方法。
- 更に、前記成膜の後、前記研磨工程に先立って、前記金属形状上に成膜された少なくとも一つの前記第一絶縁層をエッチングする工程を含むことを特徴とする請求項1に記載の方法。
- 前記エッチングは、更に、少なくとも一つの前記第一絶縁層上に、フォトレジストパターンを形成する工程を含み、前記フォトレジストパターンは、前記金属形状上に形成された空洞領域を有することを特徴とする請求項7に記載の方法。
- 前記金属形状は、更に、異なる高さの上表面を有することを特徴とする請求項1に記載の方法。
- 前記金属形状は、分離の金属層から形成されることを特徴とする請求項1に記載の方法。
- 半導体イメージセンサーの形成方法であって、
金属形状を有する金属パターンを基板上に提供する工程と、
前記金属形状と前記金属形状間の前記基板上に、少なくとも一つの光透過性の第一絶縁層を成膜する工程と、
少なくとも一つの前記第一絶縁層を研磨し、前記金属形状の上表面を露出する工程と、
化学機械研磨により、前記第一絶縁層よりも速い速度で、前記金属形状を研磨し、少なくとも一つの前記第一絶縁層の上表面より低い、前記金属形状の上表面を形成する工程と、
前記金属形状とその間の前記第一絶縁層上に、第二絶縁層を形成し、前記金属形状上は、相同の第一絶縁体厚さを有し、前記金属形状間の領域の前記基板上は、相同の第二絶縁体厚さを有することを特徴とする方法。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US56208604P | 2004-04-13 | 2004-04-13 |
Publications (3)
Publication Number | Publication Date |
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JP2005303310A true JP2005303310A (ja) | 2005-10-27 |
JP2005303310A5 JP2005303310A5 (ja) | 2005-12-08 |
JP4243258B2 JP4243258B2 (ja) | 2009-03-25 |
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JP2005114397A Active JP4243258B2 (ja) | 2004-04-13 | 2005-04-12 | 光学効率を増加させる金属パターン周辺の絶縁層の平坦化方法 |
Country Status (4)
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US (1) | US7196012B2 (ja) |
JP (1) | JP4243258B2 (ja) |
CN (1) | CN100419951C (ja) |
TW (1) | TWI281228B (ja) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
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US7547573B2 (en) * | 2006-08-01 | 2009-06-16 | United Microelectronics Corp. | Image sensor and method of manufacturing the same |
US7750470B2 (en) * | 2007-02-08 | 2010-07-06 | Taiwan Semiconductor Manufacturing Co., Ltd. | Methods for planarization of dielectric layer around metal patterns for optical efficiency enhancement |
US20110086444A1 (en) * | 2009-10-14 | 2011-04-14 | Taiwan Semiconductor Manufacturing Company, Ltd. | Process for producing substrates free of patterns using an alpha stepper to ensure results |
CN103779202B (zh) * | 2014-01-27 | 2016-12-07 | 深圳市华星光电技术有限公司 | 像素结构及其制作方法和显示面板 |
US10438909B2 (en) | 2016-02-12 | 2019-10-08 | Globalfoundries Singapore Pte. Ltd. | Reliable passivation for integrated circuits |
US11231533B2 (en) * | 2018-07-12 | 2022-01-25 | Visera Technologies Company Limited | Optical element having dielectric layers formed by ion-assisted deposition and method for fabricating the same |
KR20210110912A (ko) | 2020-03-02 | 2021-09-10 | 삼성전자주식회사 | 이미지 센서 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
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US5795495A (en) * | 1994-04-25 | 1998-08-18 | Micron Technology, Inc. | Method of chemical mechanical polishing for dielectric layers |
US5708264A (en) * | 1995-11-07 | 1998-01-13 | Eastman Kodak Company | Planar color filter array for CCDs from dyed and mordant layers |
US5677202A (en) * | 1995-11-20 | 1997-10-14 | Eastman Kodak Company | Method for making planar color filter array for image sensors with embedded color filter arrays |
US6153933A (en) * | 1997-09-05 | 2000-11-28 | Advanced Micro Devices, Inc. | Elimination of residual materials in a multiple-layer interconnect structure |
US5928959A (en) * | 1997-09-30 | 1999-07-27 | Siemens Aktiengesellschaft | Dishing resistance |
TW407342B (en) * | 1998-06-17 | 2000-10-01 | United Microelectronics Corp | Planarization method of damascene structure |
TW512170B (en) * | 1998-07-24 | 2002-12-01 | Ibm | Aqueous slurry composition and method for polishing a surface using the same |
US6777320B1 (en) * | 1998-11-13 | 2004-08-17 | Intel Corporation | In-plane on-chip decoupling capacitors and method for making same |
US6207533B1 (en) * | 1999-10-08 | 2001-03-27 | Chartered Semiconductor Manufacturing Ltd. | Method for forming an integrated circuit |
CN100345303C (zh) * | 2002-08-01 | 2007-10-24 | 台湾积体电路制造股份有限公司 | 影像感测器微透镜组、影像感测器及其制造方法 |
US6867116B1 (en) * | 2003-11-10 | 2005-03-15 | Macronix International Co., Ltd. | Fabrication method of sub-resolution pitch for integrated circuits |
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2005
- 2005-03-16 US US11/084,228 patent/US7196012B2/en not_active Expired - Fee Related
- 2005-04-12 JP JP2005114397A patent/JP4243258B2/ja active Active
- 2005-04-13 CN CNB2005100566299A patent/CN100419951C/zh not_active Expired - Fee Related
- 2005-04-13 TW TW094111637A patent/TWI281228B/zh not_active IP Right Cessation
Also Published As
Publication number | Publication date |
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CN100419951C (zh) | 2008-09-17 |
TW200534431A (en) | 2005-10-16 |
JP4243258B2 (ja) | 2009-03-25 |
US7196012B2 (en) | 2007-03-27 |
TWI281228B (en) | 2007-05-11 |
US20050227490A1 (en) | 2005-10-13 |
CN1697126A (zh) | 2005-11-16 |
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