JP2017525095A - 飛行時間質量分析計 - Google Patents
飛行時間質量分析計 Download PDFInfo
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- JP2017525095A JP2017525095A JP2016575356A JP2016575356A JP2017525095A JP 2017525095 A JP2017525095 A JP 2017525095A JP 2016575356 A JP2016575356 A JP 2016575356A JP 2016575356 A JP2016575356 A JP 2016575356A JP 2017525095 A JP2017525095 A JP 2017525095A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J49/00—Particle spectrometers or separator tubes
- H01J49/26—Mass spectrometers or separator tubes
- H01J49/34—Dynamic spectrometers
- H01J49/40—Time-of-flight spectrometers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J43/00—Secondary-emission tubes; Electron-multiplier tubes
- H01J43/04—Electron multipliers
- H01J43/06—Electrode arrangements
- H01J43/10—Dynodes
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J49/00—Particle spectrometers or separator tubes
- H01J49/02—Details
- H01J49/08—Electron sources, e.g. for generating photo-electrons, secondary electrons or Auger electrons
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J49/00—Particle spectrometers or separator tubes
- H01J49/02—Details
- H01J49/10—Ion sources; Ion guns
- H01J49/14—Ion sources; Ion guns using particle bombardment, e.g. ionisation chambers
- H01J49/142—Ion sources; Ion guns using particle bombardment, e.g. ionisation chambers using a solid target which is not previously vapourised
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J49/00—Particle spectrometers or separator tubes
- H01J49/02—Details
- H01J49/10—Ion sources; Ion guns
- H01J49/14—Ion sources; Ion guns using particle bombardment, e.g. ionisation chambers
- H01J49/147—Ion sources; Ion guns using particle bombardment, e.g. ionisation chambers with electrons, e.g. electron impact ionisation, electron attachment
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J43/00—Secondary-emission tubes; Electron-multiplier tubes
- H01J43/04—Electron multipliers
- H01J43/06—Electrode arrangements
- H01J43/18—Electrode arrangements using essentially more than one dynode
- H01J43/24—Dynodes having potential gradient along their surfaces
- H01J43/246—Microchannel plates [MCP]
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- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
- Electron Tubes For Measurement (AREA)
Abstract
Description
Claims (15)
- 電子ビームを受容してイオンを放出するイオン化部と、
前記イオン化部に前記電子ビームを注入する冷電子供給部と、
前記イオン化部から放出された前記イオンを感知するイオン検出部と、
前記イオン化部と前記イオン検出部を連結するイオン分離部と、を含むが、
前記冷電子供給部は紫外線を受容して前記電子ビームを放出するマイクロチャネルプレート(Microchannel Plate)を含み、
前記イオン化部から放出された前記イオンは前記イオン分離部を通過して前記イオン検出部に到達し、
前記イオン分離部は直管(straigt tube)状である飛行時間質量分析計。 - 前記冷電子供給部は、前記マイクロチャネルプレートで前記紫外線を放出する紫外線ダイオードを更に含む請求項1に記載の飛行時間質量分析計。
- 前記マイクロチャネルプレートは、前記紫外線を収容して電子を生成する前面板と、
前記電子ビームを放出する後面板と、を含み、
前記電子ビームは前記マイクロチャネルプレート内で増倍(multiply)された前記電子である請求項1に記載の飛行時間質量分析計。 - 前記増倍は104倍乃至109倍である請求項3に記載の飛行時間質量分析計。
- 前記冷電子供給部は、前記マイクロチャネルプレートから放出された前記電子ビームを増倍するチャネルトロン電子増倍器(channeltron electron multiplier)を更に含む請求項1に記載の飛行時間質量分析計。
- 前記チャネルトロン電子増倍器は、前記マイクロチャネルプレートから放出された前記電子ビームを104倍乃至109倍増倍する請求項5に記載の飛行時間質量分析計。
- 前記冷電子供給部は、前記チャネルトロン電子増倍器を介して増倍された前記電子ビームを集積(forcusing)して前記イオン化部に放出するイオンレンズを更に含む請求項5に記載の飛行時間質量分析計。
- 前記冷電子供給部は、前記イオンレンズから放出された前記電子ビームが前記イオン化部に注入されることを遮断するか許容するゲート電極を更に含む請求項7に記載の飛行時間質量分析計。
- 前記イオン検出部は前記イオンを受容して電子を生成、増幅及び感知し、
前記イオン検出部は前記電子を増幅するマイクロチャネルプレートまたはチャネルトロン電子増倍器を含む請求項1に記載の飛行時間質量分析計。 - 内部空間が真空である請求項1に記載の飛行時間質量分析計。
- 内部空間の圧力が10−10〜10−4Torrである請求項1に記載の飛行時間質量分析計。
- 前記イオン化部は前記電子ビームと衝突し、前記イオンを発生する試料が配置される試料部と、
前記試料部の上に試料を供給する試料供給部と、を含む請求項1に記載の飛行時間質量分析計。 - 前記試料供給部は気体試料を前記試料部の上に噴射し、
前記気体試料は前記試料部の上面に吸着される請求項12に記載の飛行時間質量分析計。 - 前記試料供給部は、前記気体試料をパルス(pulse)方式で前記試料部の上に提供する請求項13に記載の飛行時間質量分析計。
- 前記試料供給部は液体試料を前記試料部の上に噴霧し、
前記液体試料は前記試料部の上に吸着される請求項13に記載の飛行時間質量分析計。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2014-0194149 | 2014-12-30 | ||
KR20140194149 | 2014-12-30 | ||
KR10-2015-0171695 | 2015-12-03 | ||
KR1020150171695A KR101786950B1 (ko) | 2014-12-30 | 2015-12-03 | 비행시간 질량분석기 |
PCT/KR2015/013252 WO2016108451A2 (ko) | 2014-12-30 | 2015-12-04 | 비행시간 질량분석기 |
Publications (2)
Publication Number | Publication Date |
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JP2017525095A true JP2017525095A (ja) | 2017-08-31 |
JP6346965B2 JP6346965B2 (ja) | 2018-06-20 |
Family
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Application Number | Title | Priority Date | Filing Date |
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JP2016575356A Expired - Fee Related JP6346965B2 (ja) | 2014-12-30 | 2015-12-04 | 飛行時間質量分析計 |
Country Status (4)
Country | Link |
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US (1) | US10388506B2 (ja) |
EP (1) | EP3147933A4 (ja) |
JP (1) | JP6346965B2 (ja) |
KR (1) | KR101786950B1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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KR20230086897A (ko) | 2021-12-09 | 2023-06-16 | 주식회사 다인템 | 일체형 이온광학계를 포함하는 비행시간 질량분석기 |
Citations (4)
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US2743370A (en) * | 1952-11-26 | 1956-04-24 | Bendix Aviat Corp | Mass spectrometer |
US5659170A (en) * | 1994-12-16 | 1997-08-19 | The Texas A&M University System | Ion source for compact mass spectrometer and method of mass analyzing a sample |
US20140339423A1 (en) * | 2011-09-20 | 2014-11-20 | Korea Basic Science Institute | Ultraviolet diode and atomic mass analysis ionization source collecting device using ultraviolet diode and an mcp |
US20140367568A1 (en) * | 2011-11-28 | 2014-12-18 | Korea Basic Science Institute | Anion generating and electron capture dissociation apparatus using cold electrons |
Family Cites Families (14)
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AU5800499A (en) * | 1998-09-17 | 2000-04-03 | Advanced Bioanalytical Services, Inc. | Integrated monolithic microfabricated electrospray and liquid chromatography system and method |
FR2792773B1 (fr) | 1999-04-22 | 2001-07-27 | Cit Alcatel | Source ionique pour spectrometre de masse a temps de vol analysant des echantillons gazeux |
WO2001078880A1 (en) * | 2000-04-12 | 2001-10-25 | The Regents Of The University Of California | Method of reducing ion fragmentation in mass spectrometry |
US6747271B2 (en) * | 2001-12-19 | 2004-06-08 | Ionwerks | Multi-anode detector with increased dynamic range for time-of-flight mass spectrometers with counting data acquisition |
KR20040034252A (ko) | 2002-10-21 | 2004-04-28 | 삼성전자주식회사 | 매질 보조 레이저 탈착 여기 비행시간 질량분석기 |
KR101541273B1 (ko) | 2007-12-19 | 2015-08-03 | 엠케이에스 인스트루먼츠, 인코포레이티드 | 전자 멀티플라이어 냉 방출 소스를 갖는 이온화 게이지 |
WO2010129690A2 (en) * | 2009-05-06 | 2010-11-11 | Brook Automation, Inc. | Electrostatic ion trap |
US8461521B2 (en) * | 2010-12-14 | 2013-06-11 | Virgin Instruments Corporation | Linear time-of-flight mass spectrometry with simultaneous space and velocity focusing |
US8035081B2 (en) * | 2009-09-30 | 2011-10-11 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | High precision electric gate for time-of-flight ion mass spectrometers |
JP5771458B2 (ja) * | 2011-06-27 | 2015-09-02 | 株式会社日立ハイテクノロジーズ | 質量分析装置及び質量分析方法 |
WO2013042830A1 (ko) * | 2011-09-20 | 2013-03-28 | 한국기초과학지원연구원 | 자외선 다이오드와 cem을 이용한 질량분석기의 이온화원 획득장치 |
JP6163068B2 (ja) | 2013-09-19 | 2017-07-12 | 浜松ホトニクス株式会社 | Mcpユニット、mcp検出器および飛行時間型質量分析器 |
KR101547210B1 (ko) | 2013-12-05 | 2015-08-25 | 한국기초과학지원연구원 | 냉전자 소스원을 이용한 이온트랩 질량분석기 |
WO2016020678A1 (en) * | 2014-08-05 | 2016-02-11 | Micromass Uk Limited | Method of introducing ions into a vacuum region of a mass spectrometer |
-
2015
- 2015-12-03 KR KR1020150171695A patent/KR101786950B1/ko active IP Right Grant
- 2015-12-04 JP JP2016575356A patent/JP6346965B2/ja not_active Expired - Fee Related
- 2015-12-04 EP EP15875545.4A patent/EP3147933A4/en not_active Withdrawn
- 2015-12-04 US US15/321,563 patent/US10388506B2/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2743370A (en) * | 1952-11-26 | 1956-04-24 | Bendix Aviat Corp | Mass spectrometer |
US5659170A (en) * | 1994-12-16 | 1997-08-19 | The Texas A&M University System | Ion source for compact mass spectrometer and method of mass analyzing a sample |
US20140339423A1 (en) * | 2011-09-20 | 2014-11-20 | Korea Basic Science Institute | Ultraviolet diode and atomic mass analysis ionization source collecting device using ultraviolet diode and an mcp |
US20140367568A1 (en) * | 2011-11-28 | 2014-12-18 | Korea Basic Science Institute | Anion generating and electron capture dissociation apparatus using cold electrons |
Non-Patent Citations (1)
Title |
---|
J.H.グロス著、日本質量分析学会出版委員会訳, マススペクトロメトリー, vol. 初版2刷, JPN6017043270, 20 April 2008 (2008-04-20), pages 131 - 133 * |
Also Published As
Publication number | Publication date |
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US20170294298A1 (en) | 2017-10-12 |
US10388506B2 (en) | 2019-08-20 |
EP3147933A4 (en) | 2018-08-08 |
EP3147933A2 (en) | 2017-03-29 |
JP6346965B2 (ja) | 2018-06-20 |
KR20160083799A (ko) | 2016-07-12 |
KR101786950B1 (ko) | 2017-10-19 |
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