JP2000500913A - 粒子光学機器の色収差を補正する補正装置 - Google Patents
粒子光学機器の色収差を補正する補正装置Info
- Publication number
- JP2000500913A JP2000500913A JP10514424A JP51442498A JP2000500913A JP 2000500913 A JP2000500913 A JP 2000500913A JP 10514424 A JP10514424 A JP 10514424A JP 51442498 A JP51442498 A JP 51442498A JP 2000500913 A JP2000500913 A JP 2000500913A
- Authority
- JP
- Japan
- Prior art keywords
- lens
- correction device
- particle
- obj
- optical axis
- 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.)
- Granted
Links
- 230000004075 alteration Effects 0.000 title claims abstract description 49
- 239000002245 particle Substances 0.000 title claims abstract description 44
- 230000005405 multipole Effects 0.000 claims abstract description 22
- 230000005291 magnetic effect Effects 0.000 claims description 51
- 230000003287 optical effect Effects 0.000 claims description 32
- 230000005684 electric field Effects 0.000 claims description 16
- 230000001678 irradiating effect Effects 0.000 claims 1
- 230000001133 acceleration Effects 0.000 abstract description 6
- 238000010894 electron beam technology Methods 0.000 description 19
- 239000006185 dispersion Substances 0.000 description 9
- 230000005284 excitation Effects 0.000 description 6
- 201000009310 astigmatism Diseases 0.000 description 5
- 238000003384 imaging method Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
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- 230000033228 biological regulation Effects 0.000 description 1
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- 238000004364 calculation method Methods 0.000 description 1
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- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001493 electron microscopy Methods 0.000 description 1
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- 230000005404 monopole Effects 0.000 description 1
- 230000000877 morphologic effect Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229920002120 photoresistant polymer Polymers 0.000 description 1
- 230000036962 time dependent Effects 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
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
- H01J37/153—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
- H01J2237/00—Discharge tubes exposing object to beam, e.g. for analysis treatment, etching, imaging
- H01J2237/153—Correcting image defects, e.g. stigmators
- H01J2237/1534—Aberrations
Landscapes
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Electron Beam Exposure (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1. 機器内で照射されるべき対象物(14)を照射するため機器の光軸に沿っ て伝わる荷電粒子のビームを放出する粒子源と、 上記荷電粒子のビームを集束させる集束レンズ(8)と、 上記集束レンズ(8)のレンズ収差を補正する補正装置(28)とからなり、 上記補正装置(28)は均一な電界及び上記電界と直角に延在する均一な磁界 を発生させる磁極面(30−i)を有し、両方の双極子場は機器の光軸(4)と 直角に延在し、 上記補正装置(28)は電気四重極場を発生させる磁極面(30−i)を更に 有し、この磁極面(30−i)は機器の光軸(4)と実質的に直角に延在する粒 子光学機器において、 多重極場を決定する上記磁極面(30−i)の上記光軸(4)の方向の長さL に対し、nが上記補正装置内のビームの粒子の正弦波軌跡の周期数を表し、Kob j が補正されるべき上記集束レンズの強度を表し、Cc.objが上記集束レンズの色 収差率を表すとき、上記の長さが実質的に (2π2n2)/(Kobj 2Cc.obj) と一致することを特徴とする粒子光学機器。 2. 上記補正装置(28)の上記双極子場は上記ビームの粒子の正弦波軌跡の 周期数nが1に一致するような強度を有する請求項1記載の粒子光学機器。 3. 上記補正装置(28)に設けられている磁極面(30−i)は、上記均一 な磁界を発生させる磁極面を除いて、電界だけを発生させるように配置されてい る請求項1又は2記載の粒子光学機器。 4. スポット形成対物レンズ(8)を具備し、上記補正装置は上記粒子源側か ら見て上記対物レンズ(8)の前方に配置されている走査粒子光学機器であるこ とを特徴とする請求項1乃至3のうちいずれか1項記載の粒子光学機器。 5. 荷電粒子のビームを集束させる集束レンズと、 上記集束レンズのレンズ収差を補正する請求項1乃至4のうちいずれか1項記 載の補正装置とにより構成されている組立体。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP96202638.1 | 1996-09-20 | ||
EP96202638 | 1996-09-20 | ||
PCT/IB1997/000854 WO1998012732A1 (en) | 1996-09-20 | 1997-07-09 | Correction device for correcting chromatic aberration in particle-optical apparatus |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2000500913A true JP2000500913A (ja) | 2000-01-25 |
JP4176149B2 JP4176149B2 (ja) | 2008-11-05 |
Family
ID=8224410
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP51442498A Expired - Fee Related JP4176149B2 (ja) | 1996-09-20 | 1997-07-09 | 粒子光学機器の色収差を補正する補正装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US5986269A (ja) |
EP (1) | EP0868739B1 (ja) |
JP (1) | JP4176149B2 (ja) |
DE (1) | DE69733408T2 (ja) |
WO (1) | WO1998012732A1 (ja) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1998025293A2 (en) * | 1996-12-03 | 1998-06-11 | Koninklijke Philips Electronics N.V. | Method of operating a particle-optical apparatus |
JP2001511303A (ja) | 1997-12-11 | 2001-08-07 | フィリップス エレクトロン オプティクス ビー ヴィ | 粒子−光学装置における球面収差補正用の補正デバイス |
WO1999033085A1 (en) * | 1997-12-22 | 1999-07-01 | Philips Electron Optics B.V. | Correction device for correcting chromatic aberration in particle-optical apparatus |
US6614026B1 (en) * | 1999-04-15 | 2003-09-02 | Applied Materials, Inc. | Charged particle beam column |
DE10107910A1 (de) * | 2001-02-20 | 2002-08-22 | Leo Elektronenmikroskopie Gmbh | Teilchenstrahlsystem mit einem Spiegelkorrektor |
US7022987B2 (en) | 2001-02-20 | 2006-04-04 | Carl Zeiss Nis Gmbh | Particle-optical arrangements and particle-optical systems |
DE10237141A1 (de) * | 2002-08-13 | 2004-02-26 | Leo Elektronenmikroskopie Gmbh | Strahlführungssystem, Abbildungsverfahren und Elektronenmikroskopiesystem |
JP4074185B2 (ja) * | 2002-12-17 | 2008-04-09 | 日本電子株式会社 | エネルギーフィルタ及び電子顕微鏡 |
JP2006040777A (ja) * | 2004-07-29 | 2006-02-09 | Jeol Ltd | 電子顕微鏡 |
EP1670028B1 (en) * | 2004-12-07 | 2017-02-08 | JEOL Ltd. | Apparatus for automatically correcting a charged-particle beam |
EP1783811A3 (en) * | 2005-11-02 | 2008-02-27 | FEI Company | Corrector for the correction of chromatic aberrations in a particle-optical apparatus |
EP2091062A1 (en) * | 2008-02-13 | 2009-08-19 | FEI Company | TEM with aberration corrector and phase plate |
EP2128885A1 (en) | 2008-05-26 | 2009-12-02 | FEI Company | Charged particle source with integrated energy filter |
EP2131385A1 (en) * | 2008-06-05 | 2009-12-09 | FEI Company | Hybrid phase plate |
EP2166557A1 (en) * | 2008-09-22 | 2010-03-24 | FEI Company | Method for correcting distortions in a particle-optical apparatus |
EP2197018A1 (en) * | 2008-12-12 | 2010-06-16 | FEI Company | Method for determining distortions in a particle-optical apparatus |
US8053725B2 (en) * | 2009-06-29 | 2011-11-08 | Fei Company | Beam quality in FIB systems |
EP2325862A1 (en) | 2009-11-18 | 2011-05-25 | Fei Company | Corrector for axial aberrations of a particle-optical lens |
US20110142362A1 (en) * | 2009-12-11 | 2011-06-16 | Marimon Sanjuan David | Method for filtering data with symmetric weighted integral images |
EP2511936B1 (en) | 2011-04-13 | 2013-10-02 | Fei Company | Distortion free stigmation of a TEM |
EP2584584A1 (en) | 2011-10-19 | 2013-04-24 | FEI Company | Method for adjusting a STEM equipped with an aberration corrector |
EP2674959A1 (en) | 2012-06-13 | 2013-12-18 | FEI Company | Charged-particle apparatus equipped with improved Wien-type Cc corrector |
EP2704177B1 (en) | 2012-09-04 | 2014-11-26 | Fei Company | Method of investigating and correcting aberrations in a charged-particle lens system |
WO2020183551A1 (ja) * | 2019-03-08 | 2020-09-17 | 株式会社日立ハイテク | 荷電粒子ビーム装置 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2919381A (en) * | 1956-07-25 | 1959-12-29 | Farrand Optical Co Inc | Electron lens |
DE2937004C2 (de) * | 1979-09-13 | 1984-11-08 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V., 8000 München | Chromatisch korrigierte Ablenkvorrichtung für Korpuskularstrahlgeräte |
US4414474A (en) * | 1982-02-17 | 1983-11-08 | University Patents, Inc. | Corrector for axial aberrations in electron optic instruments |
EP0175933A1 (de) * | 1984-09-21 | 1986-04-02 | Siemens Aktiengesellschaft | Rasterlinsen-System ohne Ablenkfarbfehler zur Materialbearbeitung mit Korpuskularstrahlen |
DE3841715A1 (de) * | 1988-12-10 | 1990-06-13 | Zeiss Carl Fa | Abbildender korrektor vom wien-typ fuer elektronenmikroskope |
US4962309A (en) * | 1989-08-21 | 1990-10-09 | Rockwell International Corporation | Magnetic optics adaptive technique |
NL9100294A (nl) * | 1991-02-20 | 1992-09-16 | Philips Nv | Geladen deeltjesbundelinrichting. |
-
1997
- 1997-07-09 WO PCT/IB1997/000854 patent/WO1998012732A1/en active IP Right Grant
- 1997-07-09 DE DE69733408T patent/DE69733408T2/de not_active Expired - Lifetime
- 1997-07-09 JP JP51442498A patent/JP4176149B2/ja not_active Expired - Fee Related
- 1997-07-09 EP EP97927338A patent/EP0868739B1/en not_active Expired - Lifetime
- 1997-09-18 US US08/932,981 patent/US5986269A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
WO1998012732A1 (en) | 1998-03-26 |
US5986269A (en) | 1999-11-16 |
EP0868739B1 (en) | 2005-06-01 |
JP4176149B2 (ja) | 2008-11-05 |
DE69733408D1 (de) | 2005-07-07 |
EP0868739A1 (en) | 1998-10-07 |
DE69733408T2 (de) | 2005-11-10 |
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