JP4319636B2 - 低真空走査電子顕微鏡 - Google Patents
低真空走査電子顕微鏡 Download PDFInfo
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- JP4319636B2 JP4319636B2 JP2005074774A JP2005074774A JP4319636B2 JP 4319636 B2 JP4319636 B2 JP 4319636B2 JP 2005074774 A JP2005074774 A JP 2005074774A JP 2005074774 A JP2005074774 A JP 2005074774A JP 4319636 B2 JP4319636 B2 JP 4319636B2
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- electron
- vacuum
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Classifications
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- 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
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- 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
- G01N23/02—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 transmitting the radiation through the material
- G01N23/04—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 transmitting the radiation through the material and forming images of the material
-
- 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
- H01J37/09—Diaphragms; Shields associated with electron or ion-optical arrangements; Compensation of disturbing fields
-
- 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
- H01J37/18—Vacuum locks ; Means for obtaining or maintaining the desired pressure within the vessel
-
- 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
- H01J2237/18—Vacuum control means
- H01J2237/182—Obtaining or maintaining desired pressure
- H01J2237/1825—Evacuating means
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- 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
- H01J2237/18—Vacuum control means
- H01J2237/188—Differential pressure
-
- 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
- H01J2237/2602—Details
- H01J2237/2605—Details operating at elevated pressures, e.g. atmosphere
- H01J2237/2608—Details operating at elevated pressures, e.g. atmosphere with environmental specimen chamber
Landscapes
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Electron Sources, Ion Sources (AREA)
Description
4L2Ip/π2D2β=da 2 ………………………………………………………(2)
3S/29π(X−1)=db 2 ……………………………………………………(3)
ここで、Ipはプローブ電流値(A)、Dはプローブ径(m)、βは輝度(A/m2・str)、Sは電子光学系を排気する実効排気速度(m3/s)、Xは差動排気の圧力比、Lは電子線照射面から対物絞りまでの距離(m)、dは絞りの孔径(m)である。
ここで、Wは試料上の偏向領域、Lは試料台表面から偏向支点12までの距離、lは三段対物絞り11の各絞り111,112,及び113間の間隔、dは絞りの孔径である。
以上の本発明の実施例は、電子源1から照射される電子ビーム2を収束させる対物レンズ7の対物絞り11と、電子光学系16と試料室17との差動排気のためのオリフィスとを兼用して三段(111〜113)に構成した低真空走査電子顕微鏡を対象としている。ここで、電子光学系16における電子線2の偏向支点12を、三段対物絞り11の実質的中段112に設定している。
Claims (5)
- 電子源から照射される電子ビームを収束させる働きを持つ対物レンズの対物絞りと、電子光学系と試料室との差動排気のためのオリフィスとを兼用して三段に構成した低真空走査電子顕微鏡において、電子光学系における電子線の偏向支点を、三段対物絞りの実質的中段に設定したことを特徴とする低真空走査電子顕微鏡。
- 電子源から照射される電子ビームを収束させる働きを持つ対物レンズの対物絞りと、電子光学系と試料室との差動排気のためのオリフィスとを兼用して三段に構成した低真空走査電子顕微鏡において、電子光学系における電子線の偏向支点及び前記対物レンズのレンズ主面を、三段対物絞りの実質的中段に設定したことを特徴とする低真空走査電子顕微鏡。
- 請求項1又は2において、補助ポンプによって、主ポンプ,電子銃室,及び試料室の予備排気を行い、この予備排気の後で、主ポンプによって、電子銃室を高真空排気しながら、試料室を低真空排気することを特徴とする低真空走査電子顕微鏡。
- 請求項3において、前記補助ポンプは、主ポンプと電子銃室の予備排気を行う第1の補助ポンプと、試料室の予備排気を行う第2の補助ポンプを備えたことを特徴とする低真空走査電子顕微鏡。
- 請求項1又は2において、補助ポンプで主ポンプと電子銃室の予備排気を行い、この予備排気の後で、前記主ポンプのメインポートによって、電子銃室を高真空排気しながら、主ポンプの中間ポートによって、試料室を低真空排気することを特徴とする低真空走査電子顕微鏡。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005074774A JP4319636B2 (ja) | 2005-03-16 | 2005-03-16 | 低真空走査電子顕微鏡 |
US11/354,067 US7365323B2 (en) | 2005-03-16 | 2006-02-15 | Environmental scanning electron microcope |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005074774A JP4319636B2 (ja) | 2005-03-16 | 2005-03-16 | 低真空走査電子顕微鏡 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006260878A JP2006260878A (ja) | 2006-09-28 |
JP4319636B2 true JP4319636B2 (ja) | 2009-08-26 |
Family
ID=37069188
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005074774A Expired - Fee Related JP4319636B2 (ja) | 2005-03-16 | 2005-03-16 | 低真空走査電子顕微鏡 |
Country Status (2)
Country | Link |
---|---|
US (1) | US7365323B2 (ja) |
JP (1) | JP4319636B2 (ja) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008109084A (ja) | 2006-09-26 | 2008-05-08 | Showa Denko Kk | Iii族窒化物化合物半導体発光素子の製造方法、及びiii族窒化物化合物半導体発光素子、並びにランプ |
EP2080014B1 (en) * | 2006-10-24 | 2016-08-31 | B-Nano Ltd. | An interface, a method for observing an object within a non-vacuum environment and a scanning electron microscope |
JP4981467B2 (ja) * | 2007-02-05 | 2012-07-18 | 株式会社ホロン | 寸法測定装置 |
JP5065796B2 (ja) * | 2007-08-03 | 2012-11-07 | 株式会社日立ハイテクノロジーズ | 走査電子顕微鏡 |
US8642959B2 (en) | 2007-10-29 | 2014-02-04 | Micron Technology, Inc. | Method and system of performing three-dimensional imaging using an electron microscope |
JP5244730B2 (ja) * | 2009-07-31 | 2013-07-24 | 株式会社日立ハイテクノロジーズ | 低真空走査電子顕微鏡 |
JP5699023B2 (ja) * | 2011-04-11 | 2015-04-08 | 株式会社日立ハイテクノロジーズ | 荷電粒子線装置 |
KR101554594B1 (ko) * | 2013-12-02 | 2015-09-22 | 한국표준과학연구원 | 하전입자 빔 프로브 형성 장치 및 이의 이용방법 |
US10344462B2 (en) | 2014-09-08 | 2019-07-09 | S. C. Johnson & Son, Inc. | Toilet rimblock and method of making such rimblock |
WO2020235003A1 (ja) * | 2019-05-21 | 2020-11-26 | 株式会社日立ハイテク | 電子銃および電子銃を備えた荷電粒子線装置 |
KR102484466B1 (ko) * | 2020-12-30 | 2023-01-04 | (주)코셈 | Eds를 구비하여 대면적 시료의 파티클 분석에 이용되는 주사전자 현미경, 및 이를 이용한 분석 방법 |
JP7041785B1 (ja) * | 2021-10-18 | 2022-03-24 | 株式会社アイエヌジー | 画像箔転写シート、画像箔転写シートの製造方法、画像箔の転写方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0665014B2 (ja) | 1988-01-18 | 1994-08-22 | エレクトロ − スキャン コーポレーション | 自然状態試料観察可能走査型電子顕微鏡 |
JPH071686B2 (ja) * | 1988-09-22 | 1995-01-11 | 株式会社日立製作所 | イオンマイクロアナライザ |
US5362964A (en) * | 1993-07-30 | 1994-11-08 | Electroscan Corporation | Environmental scanning electron microscope |
US5412211A (en) * | 1993-07-30 | 1995-05-02 | Electroscan Corporation | Environmental scanning electron microscope |
JP3564958B2 (ja) * | 1997-08-07 | 2004-09-15 | 株式会社日立製作所 | 電子ビームを用いた検査方法及び検査装置 |
JP2000156192A (ja) | 1998-11-18 | 2000-06-06 | Jeol Ltd | 走査電子顕微鏡 |
US6583413B1 (en) * | 1999-09-01 | 2003-06-24 | Hitachi, Ltd. | Method of inspecting a circuit pattern and inspecting instrument |
US6891170B1 (en) * | 2002-06-17 | 2005-05-10 | Zyvex Corporation | Modular manipulation system for manipulating a sample under study with a microscope |
-
2005
- 2005-03-16 JP JP2005074774A patent/JP4319636B2/ja not_active Expired - Fee Related
-
2006
- 2006-02-15 US US11/354,067 patent/US7365323B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US7365323B2 (en) | 2008-04-29 |
JP2006260878A (ja) | 2006-09-28 |
US20060219912A1 (en) | 2006-10-05 |
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