JP2020514761A - 生物学的または化学的分析のためのバイオセンサーおよびその製造方法 - Google Patents
生物学的または化学的分析のためのバイオセンサーおよびその製造方法 Download PDFInfo
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- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
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- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
- G01N21/64—Fluorescence; Phosphorescence
- G01N21/645—Specially adapted constructive features of fluorimeters
- G01N21/6452—Individual samples arranged in a regular 2D-array, e.g. multiwell plates
- G01N21/6454—Individual samples arranged in a regular 2D-array, e.g. multiwell plates using an integrated detector array
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
- G01N21/76—Chemiluminescence; Bioluminescence
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- H—ELECTRICITY
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- 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
- H01L21/77—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate
- H01L21/78—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices
- H01L21/82—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices to produce devices, e.g. integrated circuits, each consisting of a plurality of components
- H01L21/822—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices to produce devices, e.g. integrated circuits, each consisting of a plurality of components the substrate being a semiconductor, using silicon technology
- H01L21/8232—Field-effect technology
- H01L21/8234—MIS technology, i.e. integration processes of field effect transistors of the conductor-insulator-semiconductor type
- H01L21/8238—Complementary field-effect transistors, e.g. CMOS
- H01L21/823871—Complementary field-effect transistors, e.g. CMOS interconnection or wiring or contact manufacturing related aspects
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Abstract
Description
本出願は、2017年3月20日付けで出願された米国仮特許出願第62/473,970号の優先権を主張し、その内容は参照によりその全体が組み入れられる。
本発明は、一般的に、生物学的または化学的分析のためのバイオセンサーに関し、より詳細には、裏面照射型(BSI)相補型金属酸化物半導体(CMOS)イメージセンサーを含むバイオセンサーおよびその製造方法に関する。
Claims (26)
- 裏面照射型相補型金属酸化物半導体(CMOS)イメージセンサーであり、
電子回路層;および
該電子回路層上の光感知層
を含み、該光感知層は、
基板層、および
第1の上面と第1の底面とを有する複数のフォトダイオード
を含み、
該第1の底面は、該電子回路層と接触しており、該第1の上面は、光受信面を含む、イメージセンサーと;
該光感知層上の金属層または金属酸化物層であり、該金属層または金属酸化物層は、第2の上面および第2の底面を有し、該金属層または金属酸化物層は、複数のボイドを画定し、該複数のボイドの各ボイドは、複数のフォトダイオードの少なくとも1つのフォトダイオードとアライメントされ、第2の上面は、第1の材料でコーティングされるかまたは処理されて、第1の被覆層を形成する、金属層または金属酸化物層と;
該複数のフォトダイオード上の、第3の上面および第3の底面を有するパッシベーション層と
を含むバイオセンサーであって、
該金属層または金属酸化物層と、該複数のフォトダイオードの該第1の上面または該パッシベーション層の該第3の上面とは、複数のウェルを形成し、各ウェルの壁は、該金属層または金属酸化物層から形成され、各ウェルの底部は、該パッシベーション層の該第3の上面層から形成され、
該各ウェルの底部は、第2の材料でコーティングされるかまたは処理されて、第2の被覆層を形成し、
該第1の材料は、該第2の材料と異なっている、バイオセンサー。 - 前記第1の材料が、ホスフェートまたはホスホン酸の少なくとも一方を含む、請求項1に記載のバイオセンサー。
- 前記第2の材料が、シランを含む、請求項1に記載のバイオセンサー。
- 前記複数のウェルが、高分子を受け入れるように機能化されている、請求項1に記載のバイオセンサー。
- 前記高分子が、前記第2の材料より、前記第1の材料に結合しにくい、請求項4に記載のバイオセンサー。
- 前記第2の材料が、前記高分子に結合するように設計され、前記第1の材料が、前記高分子に結合しないように設計されている、請求項4に記載のバイオセンサー。
- 前記第2の材料が、前記高分子に結合するリガンドを含む、請求項6に記載のバイオセンサー。
- 前記高分子が、核酸または抗体であり、前記リガンドが、オリゴヌクレオチドまたは抗体である、請求項7に記載のバイオセンサー。
- 前記高分子が、高分子に結合する抗体である、請求項7に記載のバイオセンサー。
- 前記第1の材料が、疎水性である、請求項1に記載のバイオセンサー。
- 前記第2の材料が、親水性である、請求項1に記載のバイオセンサー。
- 少なくとも1つのウェルが、高分子分析物によって占有されている、請求項1に記載のバイオセンサー。
- 前記高分子分析物が、核酸または抗体である、請求項12に記載のバイオセンサー。
- 裏面照射型相補型金属酸化物半導体(CMOS)イメージセンサーを用意することであり、
電子回路層を用意すること;および
該電子回路層上に光感知層を用意すること
を含み、該光感知層は、
基板層;および
第1の上面と第1の底面とを有する複数のフォトダイオード
を含み、
該第1の底面は、該電子回路層と接触しており、該第1の上面は、光受信面を含む、裏面照射型CMOSイメージセンサーを用意することと;
該光感知層上の金属層または金属酸化物層を形成することであり、該金属層または金属酸化物層は、第2の上面および第2の底面を有し、該金属層または金属酸化物層は、複数のボイドを画定し、該複数のボイドの各ボイドは、複数のフォトダイオードの少なくとも1つのフォトダイオードとアライメントされ、該第2の上面は、第1の材料でコーティングされるかまたは処理されて、第1の被覆層を形成する、金属層または金属酸化物層を形成することと;
該複数のフォトダイオード上の、第3の上面および第3の底面を有するパッシベーション層を形成することと
を含む方法であって、
該金属層または金属酸化物層と、該複数のフォトダイオードの該第1の上面または該パッシベーション層の該第3の上面とは、複数のウェルを形成し、各ウェルの壁は、該金属層から形成され、各ウェルの底部は、該パッシベーション層の該第3の上面層から形成され、
該各ウェルの底部は、第2の材料でコーティングされるかまたは処理されて、第2の被覆層を形成し、
該第1の材料は、該第2の材料と異なっている、方法。 - 前記第1の材料が、ホスフェートまたはホスホン酸の少なくとも一方を含む、請求項14に記載の方法。
- 前記第2の材料が、シランを含む、請求項14に記載の方法。
- 前記複数のウェルが、高分子を受け入れるように機能化されている、請求項14に記載の方法。
- 前記高分子が、前記第2の材料より、前記第1の材料に結合しにくい、請求項17に記載の方法。
- 前記第2の材料が、前記高分子に結合し、前記第1の材料が、前記高分子に結合しない、請求項17に記載の方法。
- 前記第2の材料が、前記高分子に結合するリガンドを含む、請求項19に記載の方法。
- 前記高分子が、核酸または抗体であり、前記リガンドが、オリゴヌクレオチドまたは抗体である、請求項20に記載の方法。
- 前記高分子が、高分子に結合する抗体である、請求項20に記載の方法。
- 前記第1の材料が、疎水性である、請求項14に記載の方法。
- 前記第2の材料が、親水性である、請求項14に記載の方法。
- 少なくとも1つのウェルが、高分子分析物によって占有されている、請求項14に記載の方法。
- 前記高分子分析物が、核酸または抗体である、請求項25に記載の方法。
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KR20230074833A (ko) | 2023-05-31 |
TWI826296B (zh) | 2023-12-11 |
AU2018237066A1 (en) | 2019-11-07 |
TW202331230A (zh) | 2023-08-01 |
WO2018175341A1 (en) | 2018-09-27 |
TWI812616B (zh) | 2023-08-21 |
KR20200003790A (ko) | 2020-01-10 |
KR102657576B1 (ko) | 2024-04-12 |
EP3602629A1 (en) | 2020-02-05 |
US20200096450A1 (en) | 2020-03-26 |
JP7229934B2 (ja) | 2023-02-28 |
SG11201908509TA (en) | 2019-10-30 |
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KR102535751B1 (ko) | 2023-05-22 |
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