JP7410982B2 - 光学システム内の光の1つ又は複数の特性の決定 - Google Patents

光学システム内の光の1つ又は複数の特性の決定 Download PDF

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JP7410982B2
JP7410982B2 JP2021571760A JP2021571760A JP7410982B2 JP 7410982 B2 JP7410982 B2 JP 7410982B2 JP 2021571760 A JP2021571760 A JP 2021571760A JP 2021571760 A JP2021571760 A JP 2021571760A JP 7410982 B2 JP7410982 B2 JP 7410982B2
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light
detectors
sample
angles
light source
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JP2022535399A5 (enExample
JP2022535399A (ja
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ラリッサ ジュスクキン
コンスタンティン ツィグトキン
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KLA Corp
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    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84Systems specially adapted for particular applications
    • G01N21/88Investigating the presence of flaws or contamination
    • G01N21/95Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
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    • GPHYSICS
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    • G01N21/88Investigating the presence of flaws or contamination
    • G01N21/95Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
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    • G03F7/00Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
    • G03F7/70Microphotolithographic exposure; Apparatus therefor
    • G03F7/70483Information management; Active and passive control; Testing; Wafer monitoring, e.g. pattern monitoring
    • G03F7/7055Exposure light control in all parts of the microlithographic apparatus, e.g. pulse length control or light interruption
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
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    • G03F7/00Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
    • G03F7/70Microphotolithographic exposure; Apparatus therefor
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    • GPHYSICS
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    • G03FPHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
    • G03F7/00Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
    • G03F7/70Microphotolithographic exposure; Apparatus therefor
    • G03F7/70483Information management; Active and passive control; Testing; Wafer monitoring, e.g. pattern monitoring
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    • GPHYSICS
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    • G03F7/00Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
    • G03F7/70Microphotolithographic exposure; Apparatus therefor
    • G03F7/708Construction of apparatus, e.g. environment aspects, hygiene aspects or materials
    • G03F7/7085Detection arrangement, e.g. detectors of apparatus alignment possibly mounted on wafers, exposure dose, photo-cleaning flux, stray light, thermal load
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    • G01JMEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
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    • G01N21/01Arrangements or apparatus for facilitating the optical investigation
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    • G01N21/01Arrangements or apparatus for facilitating the optical investigation
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    • G01N21/17Systems in which incident light is modified in accordance with the properties of the material investigated
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    • G01N21/84Systems specially adapted for particular applications
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    • G01N21/95Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
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    • G01N2223/05Investigating materials by wave or particle radiation by diffraction, scatter or reflection
    • G01N2223/052Investigating materials by wave or particle radiation by diffraction, scatter or reflection reflection

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Optics & Photonics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Epidemiology (AREA)
  • Public Health (AREA)
  • Environmental & Geological Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Preparing Plates And Mask In Photomechanical Process (AREA)
  • Testing Or Measuring Of Semiconductors Or The Like (AREA)
  • Exposure Of Semiconductors, Excluding Electron Or Ion Beam Exposure (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
JP2021571760A 2019-06-03 2020-06-02 光学システム内の光の1つ又は複数の特性の決定 Active JP7410982B2 (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201962856398P 2019-06-03 2019-06-03
US62/856,398 2019-06-03
US16/885,211 US11499924B2 (en) 2019-06-03 2020-05-27 Determining one or more characteristics of light in an optical system
US16/885,211 2020-05-27
PCT/US2020/035629 WO2020247324A1 (en) 2019-06-03 2020-06-02 Determining one or more characteristics of light in an optical system

Publications (3)

Publication Number Publication Date
JP2022535399A JP2022535399A (ja) 2022-08-08
JP2022535399A5 JP2022535399A5 (enExample) 2023-06-05
JP7410982B2 true JP7410982B2 (ja) 2024-01-10

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US (1) US11499924B2 (enExample)
EP (1) EP3973277A4 (enExample)
JP (1) JP7410982B2 (enExample)
KR (1) KR102695206B1 (enExample)
TW (1) TWI828915B (enExample)
WO (1) WO2020247324A1 (enExample)

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