DE60234802D1 - Verfahren und Vorrichtung zur automatischen Bilderzeugung geeignet zur Ausrichtung einer geladenen Teilchen Strahlsäule - Google Patents

Verfahren und Vorrichtung zur automatischen Bilderzeugung geeignet zur Ausrichtung einer geladenen Teilchen Strahlsäule

Info

Publication number
DE60234802D1
DE60234802D1 DE60234802T DE60234802T DE60234802D1 DE 60234802 D1 DE60234802 D1 DE 60234802D1 DE 60234802 T DE60234802 T DE 60234802T DE 60234802 T DE60234802 T DE 60234802T DE 60234802 D1 DE60234802 D1 DE 60234802D1
Authority
DE
Germany
Prior art keywords
aligning
charged particle
particle beam
beam column
automatic imaging
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE60234802T
Other languages
English (en)
Inventor
Asher Pearl
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Applied Materials Israel Ltd
Original Assignee
Applied Materials Israel Ltd
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 Applied Materials Israel Ltd filed Critical Applied Materials Israel Ltd
Application granted granted Critical
Publication of DE60234802D1 publication Critical patent/DE60234802D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • H01J37/04—Arrangements of electrodes and associated parts for generating or controlling the discharge, e.g. electron-optical arrangement or ion-optical arrangement
    • H01J37/153—Electron-optical or ion-optical arrangements for the correction of image defects, e.g. stigmators
    • 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
    • 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
    • H01J37/263—Contrast, resolution or power of penetration
    • 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
    • H01J37/30—Electron-beam or ion-beam tubes for localised treatment of objects
    • H01J37/304—Controlling tubes by information coming from the objects or from the beam, e.g. correction signals
    • 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
    • H01J2237/045—Diaphragms
    • 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
    • H01J2237/153—Correcting image defects, e.g. stigmators
    • H01J2237/1532—Astigmatism
    • 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
    • H01J2237/22—Treatment of data
    • H01J2237/221—Image processing

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Electron Sources, Ion Sources (AREA)
  • Electron Beam Exposure (AREA)
  • Measurement Of Radiation (AREA)
DE60234802T 2001-10-10 2002-07-29 Verfahren und Vorrichtung zur automatischen Bilderzeugung geeignet zur Ausrichtung einer geladenen Teilchen Strahlsäule Expired - Lifetime DE60234802D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US32845201P 2001-10-10 2001-10-10

Publications (1)

Publication Number Publication Date
DE60234802D1 true DE60234802D1 (de) 2010-02-04

Family

ID=23281045

Family Applications (2)

Application Number Title Priority Date Filing Date
DE60237952T Expired - Lifetime DE60237952D1 (de) 2001-10-10 2002-07-29 Verfahren und Vorrichtung zur Ausrichtung einer Säule für Strahlen geladener Teilchen
DE60234802T Expired - Lifetime DE60234802D1 (de) 2001-10-10 2002-07-29 Verfahren und Vorrichtung zur automatischen Bilderzeugung geeignet zur Ausrichtung einer geladenen Teilchen Strahlsäule

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE60237952T Expired - Lifetime DE60237952D1 (de) 2001-10-10 2002-07-29 Verfahren und Vorrichtung zur Ausrichtung einer Säule für Strahlen geladener Teilchen

Country Status (6)

Country Link
US (3) US7271396B2 (de)
EP (2) EP1306878B1 (de)
JP (1) JP4928506B2 (de)
CN (1) CN100397549C (de)
AT (2) ATE453205T1 (de)
DE (2) DE60237952D1 (de)

Families Citing this family (44)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1474997A (zh) * 2000-09-21 2004-02-11 Ӧ�ÿ�ѧ��˾ 动态图像校正及成像系统
ATE453205T1 (de) 2001-10-10 2010-01-15 Applied Materials Israel Ltd Verfahren und vorrichtung zur automatischen bilderzeugung geeignet zur ausrichtung einer geladenen teilchen strahlsäule
JP4108604B2 (ja) * 2001-10-10 2008-06-25 アプライド マテリアルズ イスラエル リミテッド 荷電粒子ビームカラムのアライメント方法および装置
EP1489641B1 (de) * 2003-06-18 2019-08-14 ICT Integrated Circuit Testing Gesellschaft für Halbleiterprüftechnik mbH Ablenksystem für geladene Teilchen
JP4111908B2 (ja) * 2003-12-15 2008-07-02 株式会社日立ハイテクノロジーズ 走査電子顕微鏡
DE602004031817D1 (de) * 2004-01-21 2011-04-28 Integrated Circuit Testing Strahlenoptische Komponente mit einer teilchenoptischen Linse
JP4351108B2 (ja) * 2004-04-07 2009-10-28 日本電子株式会社 Ｓｅｍの収差自動補正方法及び収差自動補正装置
JP4383950B2 (ja) * 2004-04-23 2009-12-16 株式会社日立ハイテクノロジーズ 荷電粒子線調整方法、及び荷電粒子線装置
JP4522203B2 (ja) * 2004-09-14 2010-08-11 日本電子株式会社 荷電粒子ビーム装置の色収差補正方法及び装置並びに荷電粒子ビーム装置
US7492057B2 (en) * 2004-11-10 2009-02-17 Baldwin Mark H High reliability DC power distribution system
JP2006173038A (ja) * 2004-12-20 2006-06-29 Hitachi High-Technologies Corp 荷電粒子線装置、試料像表示方法及びイメージシフト感度計測方法
JP4611755B2 (ja) * 2005-01-13 2011-01-12 株式会社日立ハイテクノロジーズ 走査電子顕微鏡及びその撮像方法
JP4652830B2 (ja) * 2005-01-26 2011-03-16 キヤノン株式会社 収差調整方法、デバイス製造方法及び荷電粒子線露光装置
US8026491B2 (en) * 2006-03-08 2011-09-27 Hitachi High-Technologies Corporation Charged particle beam apparatus and method for charged particle beam adjustment
JP4857101B2 (ja) * 2006-12-21 2012-01-18 株式会社日立ハイテクノロジーズ プローブ評価方法
US8345162B2 (en) * 2007-07-31 2013-01-01 Verint Systems Inc. Systems and methods for triggering an out of focus alert
JP5188846B2 (ja) * 2008-03-10 2013-04-24 日本電子株式会社 走査型透過電子顕微鏡の収差補正装置及び収差補正方法
US8519368B2 (en) * 2008-07-28 2013-08-27 Koninklijke Philips N.V. Method and device for generating EUV radiation or soft X-rays
EP2166557A1 (de) * 2008-09-22 2010-03-24 FEI Company Verfahren zur Berichtigung von Verzerrungen in einer teilchenoptischen Vorrichtung
EP2228817B1 (de) * 2009-03-09 2012-07-18 IMS Nanofabrication AG Allgemeine Punktverbreitungsfunktion bei Mehrstrahlenmusterung
GB0912332D0 (en) * 2009-07-16 2009-08-26 Vg Systems Ltd Magnetic lens,method for focussing charged particles and charged particle energy analyser
EP2316799A1 (de) * 2009-10-30 2011-05-04 AGC Glass Europe Beschichtetes Flachglas
KR101455944B1 (ko) * 2010-09-30 2014-10-28 가부시키가이샤 히다치 하이테크놀로지즈 주사 전자 현미경
JP5537460B2 (ja) * 2011-02-17 2014-07-02 株式会社日立ハイテクノロジーズ 荷電粒子線顕微鏡及びそれを用いた計測画像の補正方法
EP2511936B1 (de) * 2011-04-13 2013-10-02 Fei Company Verzerrungsfreie Stigmation eines TEM
JP5386544B2 (ja) * 2011-06-07 2014-01-15 株式会社アドバンテスト 電子ビーム露光装置及び電子ビーム露光方法
US8507855B2 (en) * 2011-07-28 2013-08-13 Applied Materials Israel, Ltd. Inductive modulation of focusing voltage in charged beam system
JP5959320B2 (ja) * 2012-05-31 2016-08-02 日本電子株式会社 荷電粒子ビームの軸合わせ方法および荷電粒子ビーム装置
US9002097B1 (en) * 2013-02-26 2015-04-07 Hermes Microvision Inc. Method and system for enhancing image quality
US9437394B1 (en) * 2014-03-28 2016-09-06 Carl Zeiss Microscopy Ltd. Method of operating a charged particle microscope and charged particle microscope operating according to such method
WO2017130363A1 (ja) 2016-01-29 2017-08-03 株式会社 日立ハイテクノロジーズ 荷電粒子線装置およびその光軸調整方法
US10460903B2 (en) * 2016-04-04 2019-10-29 Kla-Tencor Corporation Method and system for charge control for imaging floating metal structures on non-conducting substrates
JP6804043B2 (ja) * 2016-10-21 2020-12-23 コニカミノルタ株式会社 画像形成装置、画像形成システムおよび制御プログラム
US10790114B2 (en) * 2017-06-29 2020-09-29 Kla-Tencor Corporation Scanning electron microscope objective lens calibration using X-Y voltages iteratively determined from images obtained using said voltages
DE102017220398B3 (de) 2017-11-15 2019-02-28 Carl Zeiss Microscopy Gmbh Verfahren zum Justieren eines Teilchenstrahlmikroskops
JP6953324B2 (ja) * 2018-02-07 2021-10-27 Ｔａｓｍｉｔ株式会社 走査電子顕微鏡のオートフォーカス方法
DE102018010335B3 (de) 2018-02-22 2023-08-10 Carl Zeiss Microscopy Gmbh Verfahren zum Betrieb eines Teilchenstrahlgeräts, Computerprogrammprodukt und Teilchenstrahlgerät zur Durchführung des Verfahrens
DE102018202728B4 (de) * 2018-02-22 2019-11-21 Carl Zeiss Microscopy Gmbh Verfahren zum Betrieb eines Teilchenstrahlgeräts, Computerprogrammprodukt und Teilchenstrahlgerät zur Durchführung des Verfahrens
JP7040199B2 (ja) * 2018-03-26 2022-03-23 株式会社島津製作所 荷電粒子ビーム軸合わせ装置、荷電粒子ビーム照射装置および荷電粒子ビーム軸合わせ方法
EP3651182A1 (de) 2018-11-12 2020-05-13 FEI Company Ladungsteilchenmikroskop zur untersuchung einer probe und verfahren zur bestimmung einer aberration des ladungsteilchenmikroskops
US11086118B2 (en) 2019-04-29 2021-08-10 Molecular Devices, Llc Self-calibrating and directional focusing systems and methods for infinity corrected microscopes
JP7308581B2 (ja) * 2019-10-18 2023-07-14 株式会社日立ハイテクサイエンス 荷電粒子ビーム装置、複合荷電粒子ビーム装置、及び荷電粒子ビーム装置の制御方法
NL2024065B1 (en) * 2019-10-21 2021-06-22 Univ Delft Tech Multi-beam charged particle source with alignment means
JP7431136B2 (ja) * 2020-10-09 2024-02-14 株式会社日立ハイテク 荷電粒子線装置、及び制御方法

Family Cites Families (43)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4162403A (en) * 1978-07-26 1979-07-24 Advanced Metals Research Corp. Method and means for compensating for charge carrier beam astigmatism
JPS57212754A (en) * 1981-06-24 1982-12-27 Hitachi Ltd Electron-beam controller for electron microscope
US4423305A (en) * 1981-07-30 1983-12-27 International Business Machines Corporation Method and apparatus for controlling alignment of an electron beam of a variable shape
US4438336A (en) * 1982-03-26 1984-03-20 Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. Corpuscular radiation device for producing an irradiation pattern on a workpiece
NL8304217A (nl) * 1983-12-07 1985-07-01 Philips Nv Automatisch instelbare electronenmicroscoop.
JPS614140A (ja) 1984-06-15 1986-01-10 Toshiba Corp 電子光学鏡筒
DE3522340A1 (de) * 1985-06-22 1987-01-02 Finnigan Mat Gmbh Linsenanordnung zur fokussierung von elektrisch geladenen teilchen und massenspektrometer mit einer derartigen linsenanordnung
JPH0652650B2 (ja) 1985-06-24 1994-07-06 株式会社東芝 荷電ビ−ムの軸合わせ方法
JPS63307652A (ja) 1987-06-08 1988-12-15 Nikon Corp 電子顕微鏡の焦点位置検出装置
JP2803831B2 (ja) 1989-03-07 1998-09-24 株式会社日立製作所 走査電子顕微鏡
JPH0658795B2 (ja) * 1989-05-09 1994-08-03 日本電子株式会社 ダイナミックフォーカス回路
JPH03194839A (ja) 1989-12-25 1991-08-26 Hitachi Ltd 電子顕微鏡における焦点調整方法及び非点収差補正方法
JP3148353B2 (ja) * 1991-05-30 2001-03-19 ケーエルエー・インストルメンツ・コーポレーション 電子ビーム検査方法とそのシステム
JPH053009A (ja) * 1991-06-21 1993-01-08 Jeol Ltd 電子顕微鏡における軸上コマ補正方式
JPH05266840A (ja) 1992-03-18 1993-10-15 Hitachi Ltd 走査形電子顕微鏡
JP3730263B2 (ja) * 1992-05-27 2005-12-21 ケーエルエー・インストルメンツ・コーポレーション 荷電粒子ビームを用いた自動基板検査の装置及び方法
JP2877624B2 (ja) * 1992-07-16 1999-03-31 株式会社東芝 走査電子顕微鏡の対物レンズアライメント制御装置及び制御方法
US5414261A (en) * 1993-07-01 1995-05-09 The Regents Of The University Of California Enhanced imaging mode for transmission electron microscopy
KR100220674B1 (ko) * 1994-01-18 1999-09-15 전주범 투사형 화상표시장치
JP3319854B2 (ja) * 1994-02-04 2002-09-03 セイコーインスツルメンツ株式会社 走査型電子顕微鏡
US5627373A (en) * 1996-06-17 1997-05-06 Hewlett-Packard Company Automatic electron beam alignment and astigmatism correction in scanning electron microscope
JP3595079B2 (ja) 1996-07-25 2004-12-02 株式会社東芝 陰極線管
KR100449458B1 (ko) * 1996-07-31 2004-09-21 도또리 상요 덴기 가부시끼가이샤 광 디스크 장치
US6067164A (en) * 1996-09-12 2000-05-23 Kabushiki Kaisha Toshiba Method and apparatus for automatic adjustment of electron optics system and astigmatism correction in electron optics device
JPH1092354A (ja) 1996-09-12 1998-04-10 Toshiba Corp 走査型電子顕微鏡の電子光学系自動調節装置及び電子光学系自動調節方法
JPH10269975A (ja) 1997-03-24 1998-10-09 Shimadzu Corp 荷電粒子用軸合せ装置
JPH11149895A (ja) * 1997-08-11 1999-06-02 Hitachi Ltd 電子線式検査または測定装置およびその方法、高さ検出装置並びに電子線式描画装置
US6441384B1 (en) * 1998-04-08 2002-08-27 Nikon Corporation Charged particle beam exposure device exhibiting reduced image blur
JP2000048749A (ja) * 1998-07-30 2000-02-18 Jeol Ltd 走査電子顕微鏡および電子ビームの軸合わせ方法
JP2000077018A (ja) 1998-08-28 2000-03-14 Jeol Ltd 走査電子顕微鏡の焦点合わせ装置
JP2001068048A (ja) 1999-06-23 2001-03-16 Hitachi Ltd 荷電粒子線装置および自動非点収差調整方法
US6583413B1 (en) * 1999-09-01 2003-06-24 Hitachi, Ltd. Method of inspecting a circuit pattern and inspecting instrument
JP2001084934A (ja) 1999-09-10 2001-03-30 Jeol Ltd 絞り支持装置
JP2001084938A (ja) * 1999-09-13 2001-03-30 Hitachi Ltd 透過形電子顕微鏡及び透過電子顕微鏡像観察方法
JP2001210263A (ja) * 2000-01-27 2001-08-03 Hitachi Ltd 走査電子顕微鏡、そのダイナミックフォーカス制御方法および半導体デバイスの表面および断面形状の把握方法
US6552340B1 (en) * 2000-10-12 2003-04-22 Nion Co. Autoadjusting charged-particle probe-forming apparatus
JP3951590B2 (ja) * 2000-10-27 2007-08-01 株式会社日立製作所 荷電粒子線装置
ATE453205T1 (de) * 2001-10-10 2010-01-15 Applied Materials Israel Ltd Verfahren und vorrichtung zur automatischen bilderzeugung geeignet zur ausrichtung einer geladenen teilchen strahlsäule
US7539340B2 (en) * 2003-04-25 2009-05-26 Topcon Corporation Apparatus and method for three-dimensional coordinate measurement
US7151258B2 (en) * 2003-07-24 2006-12-19 Topcon Corporation Electron beam system and electron beam measuring and observing methods
US7164128B2 (en) * 2003-11-25 2007-01-16 Hitachi High-Technologies Corporation Method and apparatus for observing a specimen
JP4587742B2 (ja) * 2004-08-23 2010-11-24 株式会社日立ハイテクノロジーズ 荷電粒子線顕微方法及び荷電粒子線応用装置
JP4708856B2 (ja) * 2005-05-16 2011-06-22 株式会社日立ハイテクノロジーズ 電子ビーム校正方法及び電子ビーム装置

Also Published As

Publication number Publication date
US20070235659A1 (en) 2007-10-11
EP1306878A3 (de) 2006-04-19
EP1302971A2 (de) 2003-04-16
US20050012050A1 (en) 2005-01-20
US7271396B2 (en) 2007-09-18
JP2008300358A (ja) 2008-12-11
US7385205B2 (en) 2008-06-10
US20050006598A1 (en) 2005-01-13
CN100397549C (zh) 2008-06-25
ATE453205T1 (de) 2010-01-15
EP1306878A2 (de) 2003-05-02
US7335893B2 (en) 2008-02-26
JP4928506B2 (ja) 2012-05-09
EP1306878B1 (de) 2010-10-13
EP1302971B1 (de) 2009-12-23
CN1602537A (zh) 2005-03-30
ATE484840T1 (de) 2010-10-15
EP1302971A3 (de) 2006-04-19
DE60237952D1 (de) 2010-11-25

Similar Documents

Publication Publication Date Title
DE60234802D1 (de) Verfahren und Vorrichtung zur automatischen Bilderzeugung geeignet zur Ausrichtung einer geladenen Teilchen Strahlsäule
WO2003032351A3 (en) Method and device for aligning a charged particle beam column
ATE524822T1 (de) Belichtungsverfahren für strahlen aus geladenen teilchen
DE59007982D1 (de) Autofocussystem für Fotoapparate.
JP2006253156A (ja) 荷電粒子ビームカラムのアライメント方法および装置
JP2004227942A (ja) 電子分光系を有した電子線装置
US4437009A (en) Scanning electron microscope or similar equipment
JPS6134221B2 (de)
WO2003058681A3 (en) Differential detector coupled with defocus for improved phase defect sensitivity
JPS614144A (ja) 電子顕微鏡による回折パタ−ン表示方法
US7060985B2 (en) Multipole field-producing apparatus in charged-particle optical system and aberration corrector
WO2008027543A3 (en) Confocal secondary electron imaging
JPS61168852A (ja) 透過形電子顕微鏡の焦点合せ装置
JPS5946745A (ja) 荷電粒子線装置における自動焦点合わせ装置
JP2005173210A (ja) 偏波面保持光ファイバの回転基準位置決定方法及び光ファイバ融着接続機
EP1276102A3 (de) Vorrichtung und Verfahren zur Fokussierung eines Lichtstrahls, und Belichtungsapparat
JPS58139107A (ja) 光学顕微鏡の焦点自動合わせ方法
WO2019234787A1 (ja) 電子線装置
JPS61143710A (ja) 焦点調節装置
JPH09161706A (ja) 自動非点収差補正方法
JPS5848989B2 (ja) 電子線装置における焦点合わせ装置
JPS62133655A (ja) 荷電粒子線のプロ−ブ径測定装置
JPS5946746A (ja) 荷電粒子線装置における自動焦点合わせ装置
JPS62140346A (ja) 走査形電子顕微鏡
JPS6232417A (ja) 光学系における結像対象のコントラストを弱めて結像させる方法及びその装置

Legal Events

Date Code Title Description
8364 No opposition during term of opposition