IL294469B2 - Methods and systems for overlay measurement based on soft x-ray scatterometry - Google Patents

Methods and systems for overlay measurement based on soft x-ray scatterometry

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Publication number
IL294469B2
IL294469B2 IL294469A IL29446922A IL294469B2 IL 294469 B2 IL294469 B2 IL 294469B2 IL 294469 A IL294469 A IL 294469A IL 29446922 A IL29446922 A IL 29446922A IL 294469 B2 IL294469 B2 IL 294469B2
Authority
IL
Israel
Prior art keywords
target
measurement
sxr
value
instance
Prior art date
Application number
IL294469A
Other languages
English (en)
Hebrew (he)
Other versions
IL294469A (en
IL294469B1 (en
Original Assignee
Kla Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kla Corp filed Critical Kla Corp
Publication of IL294469A publication Critical patent/IL294469A/en
Publication of IL294469B1 publication Critical patent/IL294469B1/en
Publication of IL294469B2 publication Critical patent/IL294469B2/en

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B15/00Measuring arrangements characterised by the use of electromagnetic waves or particle radiation, e.g. by the use of microwaves, X-rays, gamma rays or electrons
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B15/00Measuring arrangements characterised by the use of electromagnetic waves or particle radiation, e.g. by the use of microwaves, X-rays, gamma rays or electrons
    • G01B15/02Measuring arrangements characterised by the use of electromagnetic waves or particle radiation, e.g. by the use of microwaves, X-rays, gamma rays or electrons for measuring thickness
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • 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
    • G03F7/70491Information management, e.g. software; Active and passive control, e.g. details of controlling exposure processes or exposure tool monitoring processes
    • G03F7/70516Calibration of components of the microlithographic apparatus, e.g. light sources, addressable masks or detectors
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • 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
    • G03F7/70605Workpiece metrology
    • G03F7/70616Monitoring the printed patterns
    • G03F7/70633Overlay, i.e. relative alignment between patterns printed by separate exposures in different layers, or in the same layer in multiple exposures or stitching
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • 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
    • G03F7/70605Workpiece metrology
    • G03F7/706843Metrology apparatus
    • G03F7/706847Production of measurement radiation, e.g. synchrotron, free-electron laser, plasma source or higher harmonic generation [HHG]
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10BELECTRONIC MEMORY DEVICES
    • H10B10/00Static random access memory [SRAM] devices
    • H10B10/12Static random access memory [SRAM] devices comprising a MOSFET load element
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10PGENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
    • H10P74/00Testing or measuring during manufacture or treatment of wafers, substrates or devices
    • H10P74/20Testing or measuring during manufacture or treatment of wafers, substrates or devices characterised by the properties tested or measured, e.g. structural or electrical properties
    • H10P74/203Structural properties, e.g. testing or measuring thicknesses, line widths, warpage, bond strengths or physical defects
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10PGENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
    • H10P74/00Testing or measuring during manufacture or treatment of wafers, substrates or devices
    • H10P74/23Testing or measuring during manufacture or treatment of wafers, substrates or devices characterised by multiple measurements, corrections, marking or sorting processes
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B2210/00Aspects not specifically covered by any group under G01B, e.g. of wheel alignment, caliper-like sensors
    • G01B2210/56Measuring geometric parameters of semiconductor structures, e.g. profile, critical dimensions or trench depth
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10PGENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
    • H10P76/00Manufacture or treatment of masks on semiconductor bodies, e.g. by lithography or photolithography
    • H10P76/20Manufacture or treatment of masks on semiconductor bodies, e.g. by lithography or photolithography of masks comprising organic materials
    • H10P76/204Manufacture or treatment of masks on semiconductor bodies, e.g. by lithography or photolithography of masks comprising organic materials of organic photoresist masks
    • H10P76/2041Photolithographic processes
    • H10P76/2043Photolithographic processes using an anti-reflective coating

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Plasma & Fusion (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Length-Measuring Devices Using Wave Or Particle Radiation (AREA)
  • Testing Or Measuring Of Semiconductors Or The Like (AREA)
IL294469A 2020-01-07 2021-01-06 Methods and systems for overlay measurement based on soft x-ray scatterometry IL294469B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US202062958089P 2020-01-07 2020-01-07
US17/137,840 US11698251B2 (en) 2020-01-07 2020-12-30 Methods and systems for overlay measurement based on soft X-ray Scatterometry
PCT/US2021/012236 WO2021141933A1 (en) 2020-01-07 2021-01-06 Methods and systems for overlay measurement based on soft x-ray scatterometry

Publications (3)

Publication Number Publication Date
IL294469A IL294469A (en) 2022-09-01
IL294469B1 IL294469B1 (en) 2023-11-01
IL294469B2 true IL294469B2 (en) 2024-03-01

Family

ID=76654307

Family Applications (1)

Application Number Title Priority Date Filing Date
IL294469A IL294469B2 (en) 2020-01-07 2021-01-06 Methods and systems for overlay measurement based on soft x-ray scatterometry

Country Status (8)

Country Link
US (1) US11698251B2 (https=)
EP (1) EP4078244A4 (https=)
JP (1) JP7535115B2 (https=)
KR (1) KR102748447B1 (https=)
CN (1) CN114981686B (https=)
IL (1) IL294469B2 (https=)
TW (1) TWI861336B (https=)
WO (1) WO2021141933A1 (https=)

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Also Published As

Publication number Publication date
CN114981686A (zh) 2022-08-30
IL294469A (en) 2022-09-01
TWI861336B (zh) 2024-11-11
CN114981686B (zh) 2025-10-24
TW202132771A (zh) 2021-09-01
KR102748447B1 (ko) 2024-12-30
US11698251B2 (en) 2023-07-11
JP7535115B2 (ja) 2024-08-15
JP2023509480A (ja) 2023-03-08
EP4078244A1 (en) 2022-10-26
US20210207956A1 (en) 2021-07-08
WO2021141933A1 (en) 2021-07-15
KR20220122755A (ko) 2022-09-02
IL294469B1 (en) 2023-11-01
EP4078244A4 (en) 2024-01-17

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