IL272051B2 - Electron beam apparatus with high resolutions - Google Patents

Electron beam apparatus with high resolutions

Info

Publication number
IL272051B2
IL272051B2 IL272051A IL27205120A IL272051B2 IL 272051 B2 IL272051 B2 IL 272051B2 IL 272051 A IL272051 A IL 272051A IL 27205120 A IL27205120 A IL 27205120A IL 272051 B2 IL272051 B2 IL 272051B2
Authority
IL
Israel
Prior art keywords
lens
electrostatic
electron
electron beam
source
Prior art date
Application number
IL272051A
Other languages
English (en)
Hebrew (he)
Other versions
IL272051B1 (en
IL272051A (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 IL272051A publication Critical patent/IL272051A/en
Publication of IL272051B1 publication Critical patent/IL272051B1/en
Publication of IL272051B2 publication Critical patent/IL272051B2/en

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J37/00Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
    • H01J37/02Details
    • H01J37/04Arrangements of electrodes and associated parts for generating or controlling the discharge, e.g. electron-optical arrangement or ion-optical arrangement
    • H01J37/10Lenses
    • H01J37/145Combinations of electrostatic and magnetic lenses
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N23/00Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
    • G01N23/22Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by measuring secondary emission from the material
    • G01N23/225Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by measuring secondary emission from the material using electron or ion
    • G01N23/2251Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by measuring secondary emission from the material using electron or ion using incident electron beams, e.g. scanning electron microscopy [SEM]
    • 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
    • G03F1/00Originals for photomechanical production of textured or patterned surfaces, e.g., masks, photo-masks, reticles; Mask blanks or pellicles therefor; Containers specially adapted therefor; Preparation thereof
    • G03F1/20Masks or mask blanks for imaging by charged particle beam [CPB] radiation, e.g. by electron beam; Preparation thereof
    • 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
    • G03F7/20Exposure; Apparatus therefor
    • G03F7/2051Exposure without an original mask, e.g. using a programmed deflection of a point source, by scanning, by drawing with a light beam, using an addressed light or corpuscular source
    • G03F7/2059Exposure without an original mask, e.g. using a programmed deflection of a point source, by scanning, by drawing with a light beam, using an addressed light or corpuscular source using a scanning corpuscular radiation beam, e.g. an electron beam
    • 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
    • G03F7/70216Mask projection systems
    • G03F7/70275Multiple projection paths, e.g. array of projection systems, microlens projection systems or tandem projection systems
    • 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
    • G03F7/70216Mask projection systems
    • G03F7/70325Resolution enhancement techniques not otherwise provided for, e.g. darkfield imaging, interfering beams, spatial frequency multiplication, nearfield lenses or solid immersion lenses
    • 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
    • G03F7/70691Handling of masks or workpieces
    • G03F7/707Chucks, e.g. chucking or un-chucking operations or structural details
    • G03F7/70708Chucks, e.g. chucking or un-chucking operations or structural details being electrostatic; Electrostatically deformable vacuum chucks
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J37/00Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
    • H01J37/02Details
    • H01J37/04Arrangements of electrodes and associated parts for generating or controlling the discharge, e.g. electron-optical arrangement or ion-optical arrangement
    • H01J37/06Electron sources; Electron guns
    • H01J37/063Geometrical arrangement of electrodes for beam-forming
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J37/00Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
    • H01J37/02Details
    • H01J37/04Arrangements of electrodes and associated parts for generating or controlling the discharge, e.g. electron-optical arrangement or ion-optical arrangement
    • H01J37/06Electron sources; Electron guns
    • H01J37/067Replacing parts of guns; Mutual adjustment of electrodes
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J37/00Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
    • H01J37/02Details
    • H01J37/04Arrangements of electrodes and associated parts for generating or controlling the discharge, e.g. electron-optical arrangement or ion-optical arrangement
    • H01J37/06Electron sources; Electron guns
    • H01J37/073Electron guns using field emission, photo emission, or secondary emission electron sources
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J37/00Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
    • H01J37/02Details
    • H01J37/04Arrangements of electrodes and associated parts for generating or controlling the discharge, e.g. electron-optical arrangement or ion-optical arrangement
    • H01J37/06Electron sources; Electron guns
    • H01J37/075Electron guns using thermionic emission from cathodes heated by particle bombardment or by irradiation, e.g. by laser
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2223/00Investigating materials by wave or particle radiation
    • G01N2223/40Imaging
    • G01N2223/418Imaging electron microscope
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2223/00Investigating materials by wave or particle radiation
    • G01N2223/60Specific applications or type of materials
    • G01N2223/611Specific applications or type of materials patterned objects; electronic devices
    • G01N2223/6116Specific applications or type of materials patterned objects; electronic devices semiconductor wafer
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2237/00Discharge tubes exposing object to beam, e.g. for analysis treatment, etching, imaging
    • H01J2237/06Sources
    • H01J2237/063Electron sources
    • H01J2237/06308Thermionic sources
    • H01J2237/06316Schottky emission
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2237/00Discharge tubes exposing object to beam, e.g. for analysis treatment, etching, imaging
    • H01J2237/06Sources
    • H01J2237/063Electron sources
    • H01J2237/06325Cold-cathode sources
    • H01J2237/06341Field emission
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2237/00Discharge tubes exposing object to beam, e.g. for analysis treatment, etching, imaging
    • H01J2237/06Sources
    • H01J2237/065Source emittance characteristics
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2237/00Discharge tubes exposing object to beam, e.g. for analysis treatment, etching, imaging
    • H01J2237/10Lenses
    • H01J2237/14Lenses magnetic
    • H01J2237/1405Constructional details
    • H01J2237/1415Bores or yokes, i.e. magnetic circuit in general
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2237/00Discharge tubes exposing object to beam, e.g. for analysis treatment, etching, imaging
    • H01J2237/26Electron or ion microscopes
    • H01J2237/28Scanning microscopes

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Optics & Photonics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Testing Or Measuring Of Semiconductors Or The Like (AREA)
  • Electron Sources, Ion Sources (AREA)
  • Electron Beam Exposure (AREA)
IL272051A 2017-08-02 2018-07-24 Electron beam apparatus with high resolutions IL272051B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US15/666,666 US10096447B1 (en) 2017-08-02 2017-08-02 Electron beam apparatus with high resolutions
PCT/US2018/043353 WO2019027714A1 (en) 2017-08-02 2018-07-24 HIGH RESOLUTION ELECTRON BEAM APPARATUS

Publications (3)

Publication Number Publication Date
IL272051A IL272051A (en) 2020-03-31
IL272051B1 IL272051B1 (en) 2025-04-01
IL272051B2 true IL272051B2 (en) 2025-08-01

Family

ID=63685156

Family Applications (1)

Application Number Title Priority Date Filing Date
IL272051A IL272051B2 (en) 2017-08-02 2018-07-24 Electron beam apparatus with high resolutions

Country Status (9)

Country Link
US (1) US10096447B1 (https=)
EP (1) EP3662326A4 (https=)
JP (1) JP7116154B2 (https=)
KR (1) KR102363263B1 (https=)
CN (1) CN111051985B (https=)
IL (1) IL272051B2 (https=)
SG (1) SG11202000608VA (https=)
TW (1) TWI751362B (https=)
WO (1) WO2019027714A1 (https=)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12165838B2 (en) * 2018-12-14 2024-12-10 Kla Corporation Joint electron-optical columns for flood-charging and image-forming in voltage contrast wafer inspections
US11830699B2 (en) * 2021-07-06 2023-11-28 Kla Corporation Cold-field-emitter electron gun with self-cleaning extractor using reversed e-beam current
US12165831B2 (en) 2022-05-31 2024-12-10 Kla Corporation Method and system of image-forming multi-electron beams
US11664186B1 (en) * 2022-08-07 2023-05-30 Borries Pte. Ltd. Apparatus of electron beam comprising pinnacle limiting plate and method of reducing electron-electron interaction
WO2025203155A1 (ja) * 2024-03-25 2025-10-02 中和科学株式会社 荷電粒子源制御装置
CN120413392A (zh) * 2025-04-27 2025-08-01 电子科技大学 一种用于回旋波保护器的新型电子枪

Citations (2)

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US20060175548A1 (en) * 2005-02-04 2006-08-10 Takeshi Kawasaki Charged particle beam apparatus
US7821187B1 (en) * 2007-09-07 2010-10-26 Kla-Tencor Corporation Immersion gun equipped electron beam column

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US20060175548A1 (en) * 2005-02-04 2006-08-10 Takeshi Kawasaki Charged particle beam apparatus
US7821187B1 (en) * 2007-09-07 2010-10-26 Kla-Tencor Corporation Immersion gun equipped electron beam column

Also Published As

Publication number Publication date
CN111051985A (zh) 2020-04-21
IL272051B1 (en) 2025-04-01
KR20200027042A (ko) 2020-03-11
KR102363263B1 (ko) 2022-02-14
US10096447B1 (en) 2018-10-09
TWI751362B (zh) 2022-01-01
JP2020529702A (ja) 2020-10-08
EP3662326A1 (en) 2020-06-10
WO2019027714A1 (en) 2019-02-07
CN111051985B (zh) 2022-05-03
JP7116154B2 (ja) 2022-08-09
EP3662326A4 (en) 2021-07-07
TW201919086A (zh) 2019-05-16
IL272051A (en) 2020-03-31
SG11202000608VA (en) 2020-02-27

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