JP5774269B2 - マルチステージ・ガス・カスケード増幅器 - Google Patents
マルチステージ・ガス・カスケード増幅器 Download PDFInfo
- Publication number
- JP5774269B2 JP5774269B2 JP2009057885A JP2009057885A JP5774269B2 JP 5774269 B2 JP5774269 B2 JP 5774269B2 JP 2009057885 A JP2009057885 A JP 2009057885A JP 2009057885 A JP2009057885 A JP 2009057885A JP 5774269 B2 JP5774269 B2 JP 5774269B2
- Authority
- JP
- Japan
- Prior art keywords
- electrode
- gas
- stage
- sample
- anode
- 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 - Fee Related
Links
Images
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
- H01J37/244—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
- H01J37/26—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
- H01J47/00—Tubes for determining the presence, intensity, density or energy of radiation or particles
- H01J47/06—Proportional counter tubes
-
- 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
- H01J2237/2444—Electron Multiplier
- H01J2237/24445—Electron Multiplier using avalanche in a gas
-
- 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
- H01J2237/26—Electron or ion microscopes
- H01J2237/2602—Details
- H01J2237/2605—Details operating at elevated pressures, e.g. atmosphere
Landscapes
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Electron Tubes For Measurement (AREA)
- Measurement Of Radiation (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US12/059,850 US7791020B2 (en) | 2008-03-31 | 2008-03-31 | Multistage gas cascade amplifier |
| US12/059,850 | 2008-03-31 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2009245939A JP2009245939A (ja) | 2009-10-22 |
| JP2009245939A5 JP2009245939A5 (https=) | 2012-04-19 |
| JP5774269B2 true JP5774269B2 (ja) | 2015-09-09 |
Family
ID=40673265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2009057885A Expired - Fee Related JP5774269B2 (ja) | 2008-03-31 | 2009-03-11 | マルチステージ・ガス・カスケード増幅器 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US7791020B2 (https=) |
| EP (1) | EP2107591A1 (https=) |
| JP (1) | JP5774269B2 (https=) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8299432B2 (en) * | 2008-11-04 | 2012-10-30 | Fei Company | Scanning transmission electron microscope using gas amplification |
| US9679741B2 (en) * | 2010-11-09 | 2017-06-13 | Fei Company | Environmental cell for charged particle beam system |
| EP2631929A1 (en) | 2012-02-27 | 2013-08-28 | FEI Company | A holder assembly for cooperating with an environmental cell and an electron microscope |
| WO2014022429A1 (en) | 2012-07-30 | 2014-02-06 | Fei Company | Environmental sem gas injection system |
| US9633816B2 (en) * | 2015-05-18 | 2017-04-25 | Fei Company | Electron beam microscope with improved imaging gas and method of use |
| EP3176808B1 (en) * | 2015-12-03 | 2019-10-16 | Carl Zeiss Microscopy Ltd. | Method for detecting charged particles and particle beam device for carrying out the method |
| EP3792952B1 (en) * | 2019-09-16 | 2025-02-19 | FEI Company | Light guide assembly for an electron microscope |
Family Cites Families (33)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB820736A (en) | 1956-02-11 | 1959-09-23 | Nat Res Dev | Method of and apparatus for electron multiplication |
| WO1988001099A1 (en) | 1986-08-01 | 1988-02-11 | Electro-Scan Corporation | Multipurpose gaseous detector device for electron microscopes |
| US4785182A (en) | 1987-05-21 | 1988-11-15 | Electroscan Corporation | Secondary electron detector for use in a gaseous atmosphere |
| US5250808A (en) | 1987-05-21 | 1993-10-05 | Electroscan Corporation | Integrated electron optical/differential pumping/imaging signal system for an environmental scanning electron microscope |
| US4880976A (en) | 1987-05-21 | 1989-11-14 | Electroscan Corporation | Secondary electron detector for use in a gaseous atmosphere |
| US4823006A (en) | 1987-05-21 | 1989-04-18 | Electroscan Corporation | Integrated electron optical/differential pumping/imaging signal detection system for an environmental scanning electron microscope |
| US4897545A (en) | 1987-05-21 | 1990-01-30 | Electroscan Corporation | Electron detector for use in a gaseous environment |
| JPS6417367A (en) * | 1987-07-10 | 1989-01-20 | Fujitsu Ltd | Energy analyzer |
| JPH02132745A (ja) * | 1988-11-11 | 1990-05-22 | Jeol Ltd | 荷電粒子線装置 |
| JPH05174768A (ja) | 1991-02-26 | 1993-07-13 | Nikon Corp | 環境制御型走査電子顕微鏡 |
| US5396067A (en) * | 1992-06-11 | 1995-03-07 | Nikon Corporation | Scan type electron microscope |
| JPH06338282A (ja) * | 1993-05-28 | 1994-12-06 | Nikon Corp | 走査型電子顕微鏡 |
| 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 |
| US5828064A (en) * | 1995-08-11 | 1998-10-27 | Philips Electronics North America Corporation | Field emission environmental scanning electron microscope |
| AU748840B2 (en) | 1997-12-08 | 2002-06-13 | Fei Company | Environmental SEM with multipole fields for improved secondary electron detection |
| WO1999030345A1 (en) * | 1997-12-08 | 1999-06-17 | Philips Electron Optics B.V. | Environmental sem with a magnetic field for improved secondary electron detection |
| US5945672A (en) | 1998-01-29 | 1999-08-31 | Fei Company | Gaseous backscattered electron detector for an environmental scanning electron microscope |
| JP2002507045A (ja) | 1998-03-10 | 2002-03-05 | エッサーズ、エリック | 走査型電子顕微鏡 |
| WO2001041180A1 (de) | 1999-11-29 | 2001-06-07 | Leo Elektronenmikroskopie Gmbh | Detektor für ein rasterelektronenmikroskop mit variablem druck und rasterelektronenmikroskop mit einem solchen detektor |
| CZ302126B6 (cs) * | 2000-07-07 | 2010-11-03 | Leo Elektronenmikroskopie Gmbh | Detektor pro prístroje vyzarující korpuskulární zárení, prístroj vyzarující korpuskulární zárení a zpusob detekování existence produktu vzájemného pusobení v tomto prístroji |
| GB2367686B (en) | 2000-08-10 | 2002-12-11 | Leo Electron Microscopy Ltd | Improvements in or relating to particle detectors |
| JP2003346697A (ja) | 2002-05-24 | 2003-12-05 | Technex Lab Co Ltd | 永久磁石レンズを使用した走査電子顕微鏡 |
| CZ20022105A3 (cs) | 2002-06-17 | 2004-02-18 | Tescan, S. R. O. | Detektor sekundárních elektronů, zejména v rastrovacím elektronovém mikroskopu |
| US7009187B2 (en) * | 2002-08-08 | 2006-03-07 | Fei Company | Particle detector suitable for detecting ions and electrons |
| AU2003275028A1 (en) | 2002-09-18 | 2004-04-08 | Fei Company | Particle-optical device and detection means |
| US6979822B1 (en) * | 2002-09-18 | 2005-12-27 | Fei Company | Charged particle beam system |
| WO2004110583A2 (en) | 2003-06-07 | 2004-12-23 | Sheehan Edward W | Ion enrichment aperture arrays |
| US7541580B2 (en) * | 2006-03-31 | 2009-06-02 | Fei Company | Detector for charged particle beam instrument |
| CN101461026B (zh) | 2006-06-07 | 2012-01-18 | Fei公司 | 与包含真空室的装置一起使用的滑动轴承 |
| JP5075375B2 (ja) | 2006-08-11 | 2012-11-21 | 株式会社日立ハイテクノロジーズ | 走査電子顕微鏡 |
| WO2008098084A1 (en) | 2007-02-06 | 2008-08-14 | Fei Company | High pressure charged particle beam system |
| US8299432B2 (en) * | 2008-11-04 | 2012-10-30 | Fei Company | Scanning transmission electron microscope using gas amplification |
-
2008
- 2008-03-31 US US12/059,850 patent/US7791020B2/en active Active
-
2009
- 2009-03-11 JP JP2009057885A patent/JP5774269B2/ja not_active Expired - Fee Related
- 2009-03-31 EP EP09156789A patent/EP2107591A1/en not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| EP2107591A1 (en) | 2009-10-07 |
| JP2009245939A (ja) | 2009-10-22 |
| US7791020B2 (en) | 2010-09-07 |
| US20090242758A1 (en) | 2009-10-01 |
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