JP4632407B2 - 電子線装置 - Google Patents
電子線装置 Download PDFInfo
- Publication number
- JP4632407B2 JP4632407B2 JP2004182378A JP2004182378A JP4632407B2 JP 4632407 B2 JP4632407 B2 JP 4632407B2 JP 2004182378 A JP2004182378 A JP 2004182378A JP 2004182378 A JP2004182378 A JP 2004182378A JP 4632407 B2 JP4632407 B2 JP 4632407B2
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- Prior art keywords
- target
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- electron beam
- secondary electrons
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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
- H01J37/26—Electron or ion microscopes; Electron or ion diffraction tubes
- H01J37/28—Electron or ion microscopes; Electron or ion diffraction tubes with scanning beams
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y10/00—Nanotechnology for information processing, storage or transmission, e.g. quantum computing or single electron logic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y40/00—Manufacture or treatment of nanostructures
-
- 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
-
- 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
- H01J37/30—Electron-beam or ion-beam tubes for localised treatment of objects
- H01J37/317—Electron-beam or ion-beam tubes for localised treatment of objects for changing properties of the objects or for applying thin layers thereon, e.g. for ion implantation
- H01J37/3174—Particle-beam lithography, e.g. electron beam lithography
-
- 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
- H01J2237/244—Detection characterized by the detecting means
- H01J2237/2446—Position sensitive detectors
- H01J2237/24465—Sectored detectors, e.g. quadrants
-
- 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
- H01J2237/244—Detection characterized by the detecting means
- H01J2237/24475—Scattered electron detectors
-
- 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
- H01J2237/244—Detection characterized by the detecting means
- H01J2237/2448—Secondary particle detectors
-
- 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
- H01J2237/244—Detection characterized by the detecting means
- H01J2237/24485—Energy spectrometers
-
- 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
- H01J2237/244—Detection characterized by the detecting means
- H01J2237/2449—Detector devices with moving charges in electric or magnetic fields
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- Nanotechnology (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Immunology (AREA)
- General Health & Medical Sciences (AREA)
- Pathology (AREA)
- Biochemistry (AREA)
- Mathematical Physics (AREA)
- Theoretical Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Manufacturing & Machinery (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
Description
すなわち、試料から発生した2次電子103,104はターゲット110と電極部材150により閉じ込められ、正の電位(例えば+10kV)に印加された検出器120に確実に捕集されることになり、高い効率で2次電子を検出することができる。
また、ターゲット110の入射ビーム通過穴111を通って電子線の光軸Oに沿って発生した2次電子は[E×B]フィルター160より確実に検出器180により確実に捕集される。
3,4・・・2次電子
5・・・試料
10・・・走査電子顕微鏡
100・・・走査電子顕微鏡
110・・・ターゲット
111・・・入射ビーム通過穴
120,180・・・検出器
121,171・・・シンチレータ
122,172・・・ライトガイド
123,173・・・光電子増倍管
124・・・キャップ
130・・・対物レンズ
141,142・・・偏向器
150・・・電極部材
170・・・メッシュ
200・・・走査電子顕微鏡
210・・・ターゲット
211・・・入射ビーム通過穴
220・・・検出器
230・・・対物レンズ
241,242・・・偏向器
250・・・電極部材
400・・・走査電子顕微鏡
410・・・ターゲット
420・・・検出器
500・・・走査電子顕微鏡
510・・・ターゲット
520・・・検出器
550・・・電極部材
O・・・電子光学軸
Claims (6)
- 試料に対して上流側に配置され、減速場を形成した対物レンズと、
電子光学軸に軸対称に配置された2個以上の検出器と、
前記検出器の上流側に配置され、2次電子、反射電子が衝突するアースまたは負の電位が印加され、直径が30〜100mmであるターゲットと、
前記ターゲットの下流側で、前記ターゲットとにより、前記検出器を挟むように配置され、ターゲット面の電位より負の電位が印加され、電子光学軸に対して軸対称に形成することにより、前記ターゲットで反射された荷電粒子を反発させる電極部材と、
を備え、
前記検出器は、試料から発生した2次電子を前記ターゲットで反射させ、この反射により生じた荷電粒子を前記ターゲット面の電位より負の電位が印加され前記電極部材で反発させて補集するように構成されていることを特徴とする走査電子顕微鏡、半導体製造装置に用いられる露光装置、マスク検査装置、および電子線描画装置のいずれか一つの電子線装置。 - 前記ターゲット面の電位も負の電位に保つように構成したことを特徴とする請求項1の電子線装置。
- 前記検出器は、前記ターゲットからの荷電粒子を取り込むキャップの直径を5〜20mmとしたこと特徴とする請求項1または請求項2の電子線装置。
- 前記軸対称に配置された検出器の上に他の検出器を設けたことを特徴とする請求項1乃至請求項3のいずれかの電子線装置。
- 試料を負の電位に保ち、減速場である対物レンズを持つ静電磁界対物レンズを備えることを特徴とする請求項1乃至請求項4のいずれかの電子線装置。
- 試料をアースポテンシャルで、該試料の上流側に2次電子を加速する電極を備えるように構成したことを特徴とする請求項1乃至請求項5のいずれかの電子線装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004182378A JP4632407B2 (ja) | 2004-06-21 | 2004-06-21 | 電子線装置 |
US11/106,707 US20050279937A1 (en) | 2004-06-21 | 2005-04-15 | Scanning electron microscope and similar apparatus |
US12/382,629 US20090294665A1 (en) | 2004-06-21 | 2009-03-19 | Scanning electron microscope and similar apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004182378A JP4632407B2 (ja) | 2004-06-21 | 2004-06-21 | 電子線装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006004855A JP2006004855A (ja) | 2006-01-05 |
JP4632407B2 true JP4632407B2 (ja) | 2011-02-16 |
Family
ID=35479658
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004182378A Expired - Fee Related JP4632407B2 (ja) | 2004-06-21 | 2004-06-21 | 電子線装置 |
Country Status (2)
Country | Link |
---|---|
US (2) | US20050279937A1 (ja) |
JP (1) | JP4632407B2 (ja) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4504344B2 (ja) * | 2006-12-04 | 2010-07-14 | 国立大学法人 東京大学 | X線源 |
WO2010021012A1 (en) * | 2008-08-20 | 2010-02-25 | Advantest Corporation | Electron detection device and scanning electron microscope |
JP2012199052A (ja) * | 2011-03-22 | 2012-10-18 | Jeol Ltd | 電子検出機構及びそれを備えた荷電粒子線装置 |
JP2012186177A (ja) * | 2012-06-18 | 2012-09-27 | Hitachi High-Technologies Corp | 電子線応用装置 |
US9778186B2 (en) | 2014-04-15 | 2017-10-03 | Kla-Tencor Corporation | System for electron beam detection |
CZ2014768A3 (cs) * | 2014-11-07 | 2016-04-20 | Tescan Orsay Holding, A.S. | Zobrazovací zařízení zobrazující svazkem nabitých částic a detekující signální nabité částice víceúčelovým selektivním detektorem |
WO2016101978A1 (en) * | 2014-12-22 | 2016-06-30 | Applied Materials, Inc. | Apparatus for inspecting a substrate, method for inspecting a substrate, large area substrate inspection apparatus and method of operating thereof |
US10734191B2 (en) * | 2015-07-06 | 2020-08-04 | Hitachi High-Tech Corporation | Charged particle beam device |
JP2018147764A (ja) * | 2017-03-07 | 2018-09-20 | 日本電子株式会社 | 走査電子顕微鏡 |
JP7307768B2 (ja) * | 2021-07-08 | 2023-07-12 | 日本電子株式会社 | 走査電子顕微鏡および対物レンズ |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05500132A (ja) * | 1989-08-31 | 1993-01-14 | ベル コミュニケーションズ リサーチ インコーポレーテッド | 非対称界浸レンズ付き電子顕微鏡 |
JP2001110351A (ja) * | 1999-10-05 | 2001-04-20 | Hitachi Ltd | 走査電子顕微鏡 |
JP2002033069A (ja) * | 2000-05-31 | 2002-01-31 | Advantest Corp | 粒子ビーム装置 |
JP2002540562A (ja) * | 1999-03-19 | 2002-11-26 | シマヅ リサーチ ラボラトリー(ヨーロッパ)リミティド | 磁気浸レンズ |
JP2003331770A (ja) * | 2002-05-15 | 2003-11-21 | Seiko Instruments Inc | 電子線装置 |
JP2006093161A (ja) * | 1995-10-19 | 2006-04-06 | Hitachi Ltd | 走査形電子顕微鏡 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE60118070T2 (de) * | 2001-09-04 | 2006-08-17 | Advantest Corp. | Partikelstrahlgerät |
-
2004
- 2004-06-21 JP JP2004182378A patent/JP4632407B2/ja not_active Expired - Fee Related
-
2005
- 2005-04-15 US US11/106,707 patent/US20050279937A1/en not_active Abandoned
-
2009
- 2009-03-19 US US12/382,629 patent/US20090294665A1/en not_active Abandoned
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05500132A (ja) * | 1989-08-31 | 1993-01-14 | ベル コミュニケーションズ リサーチ インコーポレーテッド | 非対称界浸レンズ付き電子顕微鏡 |
JP2006093161A (ja) * | 1995-10-19 | 2006-04-06 | Hitachi Ltd | 走査形電子顕微鏡 |
JP2002540562A (ja) * | 1999-03-19 | 2002-11-26 | シマヅ リサーチ ラボラトリー(ヨーロッパ)リミティド | 磁気浸レンズ |
JP2001110351A (ja) * | 1999-10-05 | 2001-04-20 | Hitachi Ltd | 走査電子顕微鏡 |
JP2002033069A (ja) * | 2000-05-31 | 2002-01-31 | Advantest Corp | 粒子ビーム装置 |
JP2003331770A (ja) * | 2002-05-15 | 2003-11-21 | Seiko Instruments Inc | 電子線装置 |
Also Published As
Publication number | Publication date |
---|---|
US20090294665A1 (en) | 2009-12-03 |
JP2006004855A (ja) | 2006-01-05 |
US20050279937A1 (en) | 2005-12-22 |
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