JP7171795B2 - 高さ測定用の干渉計を有する荷電粒子ビーム装置 - Google Patents

高さ測定用の干渉計を有する荷電粒子ビーム装置 Download PDF

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JP7171795B2
JP7171795B2 JP2021023211A JP2021023211A JP7171795B2 JP 7171795 B2 JP7171795 B2 JP 7171795B2 JP 2021023211 A JP2021023211 A JP 2021023211A JP 2021023211 A JP2021023211 A JP 2021023211A JP 7171795 B2 JP7171795 B2 JP 7171795B2
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charged particle
particle beam
objective lens
lens assembly
sample
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JP2021132030A5 (https=
JP2021132030A (ja
Inventor
ブロイアー ジョン
レウヴェニ ロニー
ゴールデンスタイン アレクサンダー
Original Assignee
アイシーティー インテグレーテッド サーキット テスティング ゲゼルシャフト フィーア ハルプライタープリーフテヒニック エム ベー ハー
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
    • G01B11/06—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material
    • G01B11/0608—Height gauges
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N23/00—Investigating 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
    • G01N23/22—Investigating 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
    • G01N23/225—Investigating 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
    • G01N23/2251—Investigating 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]
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
    • H01J37/02—Details
    • H01J37/04—Arrangements of electrodes and associated parts for generating or controlling the discharge, e.g. electron-optical arrangement or ion-optical arrangement
    • H01J37/10—Lenses
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
    • H01J37/02—Details
    • H01J37/22—Optical, image processing or photographic arrangements associated with the tube
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B15/00—Measuring arrangements characterised by the use of electromagnetic waves or particle radiation, e.g. by the use of microwaves, X-rays, gamma rays or electrons
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B15/00—Measuring arrangements characterised by the use of electromagnetic waves or particle radiation, e.g. by the use of microwaves, X-rays, gamma rays or electrons
    • G01B15/02—Measuring 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
    • H01J37/02—Details
    • H01J37/04—Arrangements of electrodes and associated parts for generating or controlling the discharge, e.g. electron-optical arrangement or ion-optical arrangement
    • H01J37/147—Arrangements for directing or deflecting the discharge along a desired path
    • H01J37/1471—Arrangements for directing or deflecting the discharge along a desired path for centering, aligning or positioning of ray or beam
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
    • H01J37/02—Details
    • H01J37/22—Optical, image processing or photographic arrangements associated with the tube
    • H01J37/226—Optical arrangements for illuminating the object; optical arrangements for collecting light from the object
    • H01J37/228—Optical arrangements for illuminating the object; optical arrangements for collecting light from the object whereby illumination or light collection take place in the same area of the discharge
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
    • H01J37/02—Details
    • H01J37/244—Detectors; Associated components or circuits therefor
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
    • H01J37/26—Electron or ion microscopes; Electron or ion diffraction tubes
    • H01J37/261—Details
    • H01J37/265—Controlling the tube; circuit arrangements adapted to a particular application not otherwise provided, e.g. bright-field-dark-field illumination
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
    • H01J37/26—Electron or ion microscopes; Electron or ion diffraction tubes
    • H01J37/28—Electron or ion microscopes; Electron or ion diffraction tubes with scanning beams
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2237/00—Discharge tubes exposing object to beam, e.g. for analysis treatment, etching, imaging
    • H01J2237/04—Means for controlling the discharge
    • H01J2237/049—Focusing means
    • H01J2237/0492—Lens systems
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2237/00—Discharge tubes exposing object to beam, e.g. for analysis treatment, etching, imaging
    • H01J2237/15—Means for deflecting or directing discharge
    • H01J2237/1501—Beam alignment means or procedures
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2237/00—Discharge tubes exposing object to beam, e.g. for analysis treatment, etching, imaging
    • H01J2237/20—Positioning, supporting, modifying or maintaining the physical state of objects being observed or treated
    • H01J2237/202—Movement
    • H01J2237/20292—Means for position and/or orientation registration
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2237/00—Discharge tubes exposing object to beam, e.g. for analysis treatment, etching, imaging
    • H01J2237/21—Focus adjustment
    • H01J2237/216—Automatic focusing methods
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2237/00—Discharge tubes exposing object to beam, e.g. for analysis treatment, etching, imaging
    • H01J2237/248—Components associated with the control of the tube
    • H01J2237/2482—Optical means
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2237/00—Discharge tubes exposing object to beam, e.g. for analysis treatment, etching, imaging
    • H01J2237/26—Electron or ion microscopes
    • H01J2237/28—Scanning microscopes
    • H01J2237/2813—Scanning microscopes characterised by the application
    • H01J2237/2817—Pattern inspection

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  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
JP2021023211A 2020-02-18 2021-02-17 高さ測定用の干渉計を有する荷電粒子ビーム装置 Active JP7171795B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US16/793,314 2020-02-18
US16/793,314 US11257657B2 (en) 2020-02-18 2020-02-18 Charged particle beam device with interferometer for height measurement

Publications (3)

Publication Number Publication Date
JP2021132030A JP2021132030A (ja) 2021-09-09
JP2021132030A5 JP2021132030A5 (https=) 2022-03-23
JP7171795B2 true JP7171795B2 (ja) 2022-11-15

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JP2021023211A Active JP7171795B2 (ja) 2020-02-18 2021-02-17 高さ測定用の干渉計を有する荷電粒子ビーム装置

Country Status (5)

Country Link
US (1) US11257657B2 (https=)
JP (1) JP7171795B2 (https=)
KR (1) KR102493825B1 (https=)
CN (1) CN113340927B (https=)
TW (1) TWI790545B (https=)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115083869B (zh) * 2022-06-06 2025-09-26 惠然科技有限公司 机械对中装置及电子显微镜
JP2025132046A (ja) * 2024-02-29 2025-09-10 リオン株式会社 粒子計測装置及び粒子計測方法
WO2026062889A1 (ja) * 2024-09-20 2026-03-26 株式会社日立ハイテク 光学装置及び荷電粒子線装置

Citations (1)

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JP2003303758A (ja) 2002-04-10 2003-10-24 Nippon Telegr & Teleph Corp <Ntt> 荷電粒子ビーム描画装置およびそれを用いた描画方法

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JPH0262039A (ja) * 1988-08-29 1990-03-01 Hitachi Ltd 多層素子の微細加工方法およびその装置
US6765217B1 (en) * 1998-04-28 2004-07-20 Nikon Corporation Charged-particle-beam mapping projection-optical systems and methods for adjusting same
US6232787B1 (en) * 1999-01-08 2001-05-15 Schlumberger Technologies, Inc. Microstructure defect detection
US6912054B2 (en) * 2001-08-28 2005-06-28 Zygo Corporation Interferometric stage system
US20050134865A1 (en) * 2003-12-17 2005-06-23 Asml Netherlands B.V. Method for determining a map, device manufacturing method, and lithographic apparatus
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DE102007017630B4 (de) * 2006-05-16 2009-08-20 Vistec Semiconductor Systems Gmbh Verfahren zum Steigern der Messgenauigkeit beim Bestimmen der Koordinaten von Strukturen auf einem Substrat
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Also Published As

Publication number Publication date
TWI790545B (zh) 2023-01-21
CN113340927B (zh) 2023-01-20
KR20210105839A (ko) 2021-08-27
US11257657B2 (en) 2022-02-22
CN113340927A (zh) 2021-09-03
KR102493825B1 (ko) 2023-02-06
US20210257182A1 (en) 2021-08-19
TW202145283A (zh) 2021-12-01
JP2021132030A (ja) 2021-09-09

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