JPH10506225A - 粒子ビーム色収差補正コラム - Google Patents
粒子ビーム色収差補正コラムInfo
- Publication number
- JPH10506225A JPH10506225A JP8516789A JP51678996A JPH10506225A JP H10506225 A JPH10506225 A JP H10506225A JP 8516789 A JP8516789 A JP 8516789A JP 51678996 A JP51678996 A JP 51678996A JP H10506225 A JPH10506225 A JP H10506225A
- Authority
- JP
- Japan
- Prior art keywords
- lens
- particle
- column
- interleaved
- chromatic aberration
- 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
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J3/00—Details of electron-optical or ion-optical arrangements or of ion traps common to two or more basic types of discharge tubes or lamps
- H01J3/26—Arrangements for deflecting 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, 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
- H01J37/04—Arrangements of electrodes and associated parts for generating or controlling the discharge, e.g. electron-optical arrangement, ion-optical arrangement
- H01J37/10—Lenses
- H01J37/145—Combinations of electrostatic and magnetic lenses
-
- 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
- H01J2237/04926—Lens systems combined
-
- 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
- H01J2237/05—Arrangements for energy or mass analysis
- H01J2237/057—Energy or mass filtering
-
- 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
- H01J2237/06—Sources
- H01J2237/08—Ion sources
- H01J2237/0802—Field ionization sources
- H01J2237/0805—Liquid metal sources
-
- 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
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.針状粒子源、抽出電極、集束レンズ、および精細に集束された粒子ビームを つくるためのインターリーブ四極レンズ装置を含む粒子光学コラム。この中、イ ンターリーブレンズはインターリーブレンズのマイナスの色収差は、他の全部の 粒子光学部品のプラスの色収差を補正する様な、電場対磁場比に於いて使用され 、像点直径は粒子エネルギーの小さな変化からは実質的に独立している。 2.請求項1の粒子光学コラムに加えて、イオン源と、単一質量の粒子の精細に 集束されたビームをつくるためのインターリーブ四極レンズの間に在る、ヴィー ン速度フィルターを含む粒子光学コラム。 3.請求項2の質量分離粒子光学コラムに加えて、ヴィーンフィルター内を幅広 のビームを通過させる光学コラムに比して収差を減少する様にヴィーンフィルタ ー中で交差するビームを含むコラム。 4.針状粒子源、抽出電極、及び精細に集束された粒子ビームを生成するための 複数のインターリーブ四極レンズを含む粒子光学コラム。この中のインターリー ブレンズは、針状粒子源と抽出電極によって出来たプラスの色収差を増やさない 様に、又、細いビームを生成するために静電レンズのみを使ったコラムに比べて 像点直径のエネルギー依存が減らされる様に、電場対磁場の臨界比にて、操作さ れる。 5.請求項4の粒子光学コラムに加えて、イオン源とインターリーブ四極レンズ の間に在るヴィーン速度フィルターを含むコラム。このコラムは、精細に集束さ れた単一質量の粒子からなるビームを生成するのに役立つ。 6.請求項5の質量分離粒子光学コラムに加えて、幅広いビームがヴィーンフィ ルターを通過するコラムに比して収差を減少する様にヴィーンフィルター中で交 差するビームを含む光学コラム。 7.針状イオン源と複数のレンズを含む精細に集束された粒子ビームを生成する 粒子光学コラムに加えて、インターリーブレンズのマイナスの色収差が、他の全 部の粒子光学部品のプラスの色収差を正確に補正し、且つ像点直径は粒子エネル ギーの小さな変化からは実質的に独立している様な電場対磁場の臨界比に於いて 使用されるインターリーブ四極レンズ装置を含むコラム。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/US1994/013358 WO1996016426A1 (en) | 1993-08-20 | 1994-11-18 | Chromatically compensated particle-beam column |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH10506225A true JPH10506225A (ja) | 1998-06-16 |
JP3844253B2 JP3844253B2 (ja) | 2006-11-08 |
Family
ID=22243299
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP51678996A Expired - Fee Related JP3844253B2 (ja) | 1994-11-18 | 1994-11-18 | 粒子ビーム色収差補償コラム |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP0745266B1 (ja) |
JP (1) | JP3844253B2 (ja) |
KR (1) | KR100308720B1 (ja) |
AU (1) | AU689528B2 (ja) |
CA (1) | CA2188997C (ja) |
DE (1) | DE69432670T2 (ja) |
RU (1) | RU2144237C1 (ja) |
WO (1) | WO1996016426A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008192596A (ja) * | 2007-02-06 | 2008-08-21 | Ict Integrated Circuit Testing Ges Fuer Halbleiterprueftechnik Mbh | 収差補正型質量分離装置 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE69721241T2 (de) * | 1996-12-03 | 2004-01-29 | Fei Co | Verfahren zum betreiben eines partikels optischen gerätes |
US6593578B1 (en) * | 2001-11-08 | 2003-07-15 | Schlumberger Technologies, Inc. | Wien filter for use in a scanning electron microscope or the like |
US9624570B2 (en) | 2012-02-09 | 2017-04-18 | Fluxion Inc. | Compact, filtered ion source |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4555666A (en) * | 1979-03-29 | 1985-11-26 | Martin Frederick W | Energy-stable accelerator with needle-like source and focused particle beam |
US4590379A (en) * | 1980-09-16 | 1986-05-20 | Martin Frederick W | Achromatic deflector and quadrupole lens |
EP0175933A1 (de) * | 1984-09-21 | 1986-04-02 | Siemens Aktiengesellschaft | Rasterlinsen-System ohne Ablenkfarbfehler zur Materialbearbeitung mit Korpuskularstrahlen |
-
1994
- 1994-11-18 CA CA002188997A patent/CA2188997C/en not_active Expired - Lifetime
- 1994-11-18 KR KR1019960703883A patent/KR100308720B1/ko not_active IP Right Cessation
- 1994-11-18 RU RU96116893A patent/RU2144237C1/ru not_active IP Right Cessation
- 1994-11-18 JP JP51678996A patent/JP3844253B2/ja not_active Expired - Fee Related
- 1994-11-18 DE DE69432670T patent/DE69432670T2/de not_active Expired - Lifetime
- 1994-11-18 AU AU13706/95A patent/AU689528B2/en not_active Ceased
- 1994-11-18 WO PCT/US1994/013358 patent/WO1996016426A1/en active IP Right Grant
- 1994-11-18 EP EP95904093A patent/EP0745266B1/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008192596A (ja) * | 2007-02-06 | 2008-08-21 | Ict Integrated Circuit Testing Ges Fuer Halbleiterprueftechnik Mbh | 収差補正型質量分離装置 |
US8049180B2 (en) | 2007-02-06 | 2011-11-01 | Ict, Integrated Circuit Testing Gesellschaft Fur Halbleiterpruftechnik Mbh | Achromatic mass separator |
Also Published As
Publication number | Publication date |
---|---|
WO1996016426A1 (en) | 1996-05-30 |
KR970700926A (ko) | 1997-02-12 |
EP0745266B1 (en) | 2003-05-14 |
KR100308720B1 (ko) | 2001-12-15 |
JP3844253B2 (ja) | 2006-11-08 |
AU689528B2 (en) | 1998-04-02 |
CA2188997A1 (en) | 1996-05-30 |
RU2144237C1 (ru) | 2000-01-10 |
DE69432670D1 (de) | 2003-06-18 |
CA2188997C (en) | 2002-08-06 |
EP0745266A1 (en) | 1996-12-04 |
AU1370695A (en) | 1996-06-17 |
DE69432670T2 (de) | 2004-03-11 |
EP0745266A4 (en) | 1998-01-28 |
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