JPH03504059A - 高分解能プラズマ質量スペクトロメータ - Google Patents
高分解能プラズマ質量スペクトロメータInfo
- Publication number
- JPH03504059A JPH03504059A JP1506170A JP50617089A JPH03504059A JP H03504059 A JPH03504059 A JP H03504059A JP 1506170 A JP1506170 A JP 1506170A JP 50617089 A JP50617089 A JP 50617089A JP H03504059 A JPH03504059 A JP H03504059A
- Authority
- JP
- Japan
- Prior art keywords
- cone
- mass spectrometer
- plasma
- extraction
- potential
- 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
- H01J49/00—Particle spectrometers or separator tubes
- H01J49/26—Mass spectrometers or separator tubes
- H01J49/28—Static spectrometers
- H01J49/32—Static spectrometers using double focusing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J49/00—Particle spectrometers or separator tubes
- H01J49/02—Details
- H01J49/06—Electron- or ion-optical arrangements
- H01J49/067—Ion lenses, apertures, skimmers
-
- 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
- H01J49/105—Ion sources; Ion guns using high-frequency excitation, e.g. microwave excitation, Inductively Coupled Plasma [ICP]
Landscapes
- 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 (10)
- 1.試料の分析を行なう質量スペクトロメータであって、高周波又はマイクロ波 発生装置でエネルギが付与された電場により不活性ガス中でプラズマ放電を発生 させる手段と、上記試料を上記プラズマ放電中に導く手段と、上記プラズマに隣 接して配設され、頂点に開口を有する抽出円錐体と、少なくとも入射スリット及 び磁気セクタを備えた質量分析器と、上記分析器は上記プラズマ中で発生して上 記開口を通り抜けるイオンの少なくとも一部を受けるように配設され、上記抽出 円錐体と上記入射スリットとの電位差を上記質量分析器によって要求される加速 電位と略等しい値に維持する手段と、上記電位差は上記イオンが上記分析器を通 って効率よく移動するよう選択され、上記抽出円錐体の上記プラズマから離れた 側の圧力を実質的に大気圧より低く維持する手段と、を備えた質量スペクトロメ ータ。
- 2.上記プラズマ放電は実質的に大気圧下で発生せしめられる、請求の範囲第1 項に記載の質量スペクトロメータ。
- 3.上記入射スリットと上記抽出円錐体の間にスキマー円錐体が設けられ、上記 抽出円錐体と上記スキマー円錐体が略同じ電位に保たれている上記スキマー円錐 体と上記入射スリットの間の領域を真空にする手段が設けられている、請求の範 囲第1項又は第2項に記載の質量スペクトロメータ。
- 4.上記抽出円錐体の開口は、上記抽出円錐体と上記プラズマの間に形成される 破壊されるべき冷却ガスの境界層に対して十分に大きい、請求の範囲第1項乃至 第3項に記載の質量スペクトロメータ。
- 5.上記抽出円錐体の上記プラズマから離れた側の圧力を維持する手段は、10 mmHgより低い圧力を維持し得る機械式の真空ポンプであり、上記スキマー円 錐体と上記入射スリットの間の領域を真空にする手段は10−4mmHg又はそ れ以下の圧力を維持し得る拡散ポンプから成る、請求の範囲第3項又は第4項に 記載の質量スペクトロメータ。
- 6.上記円錐体からの上記スリットヘのイオンの移動を促進するため一つ又はそ れ以上の静電レンズが上記抽出円錐体と上記入射スリットの間に設けられている 、請求の範囲第1項乃至第5項に記載の質量スペクトロメータ。
- 7.上記入射スリットは矩形断面を有し、上記抽出円錐体の開口は円形断面を有 し、上記静電レンズの少なくとも一つは、イオンビームが上記抽出円錐体から上 記入射スリットに移動する間にイオンビームの断面を円形から略矩形に変化させ る多極レンズである、請求の範囲第6項に記載の質量スペクトロメータ。
- 8.上記質量分析器は、少なくとも一つの静電分析器と少なくとも一つの磁気セ クタ分析器を備えた二重収束質量分析器である、請求の範囲第1項乃至第7項に 記載の質量スペクトロメータ。
- 9.上記プラズマを発生させる手段は、一端がアースされ上記プラズマの周囲に 配設された負荷コイルを介して上記プラズマにエネルギを付与する高周波電力発 生装置から成る、請求の範囲第1項乃至第8項に記載の質量スペクトロメータ。
- 10.上記負荷コイルの上記一端は上記抽出円錐体に最も近い部分に位置してい る、請求の範囲第9項に記載の質量スペクトロメータ。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB888813149A GB8813149D0 (en) | 1988-06-03 | 1988-06-03 | Mass spectrometer |
GB8813149.5 | 1988-06-03 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH03504059A true JPH03504059A (ja) | 1991-09-05 |
JP2724416B2 JP2724416B2 (ja) | 1998-03-09 |
Family
ID=10638006
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1506170A Expired - Lifetime JP2724416B2 (ja) | 1988-06-03 | 1989-06-05 | 高分解能プラズマ質量スペクトロメータ |
Country Status (7)
Country | Link |
---|---|
US (1) | US5068534B1 (ja) |
EP (1) | EP0436544B1 (ja) |
JP (1) | JP2724416B2 (ja) |
CA (1) | CA1312680C (ja) |
DE (1) | DE68926167T2 (ja) |
GB (1) | GB8813149D0 (ja) |
WO (1) | WO1989012313A1 (ja) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5229605A (en) * | 1990-01-05 | 1993-07-20 | L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | Process for the elementary analysis of a specimen by high frequency inductively coupled plasma mass spectrometry and apparatus for carrying out this process |
FR2656926B1 (fr) * | 1990-01-05 | 1993-06-11 | Air Liquide | Perfectionnement au procede d'analyse elementaire d'un echantillon par spectrometrie de masse couplee a un plasma induit par haute frequence et a l'installation pour la mise en óoeuvre de ce procede. |
GB9105073D0 (en) * | 1991-03-11 | 1991-04-24 | Vg Instr Group | Isotopic-ratio plasma mass spectrometer |
JP3215487B2 (ja) * | 1992-04-13 | 2001-10-09 | セイコーインスツルメンツ株式会社 | 誘導結合プラズマ質量分析装置 |
US5218204A (en) * | 1992-05-27 | 1993-06-08 | Iowa State University Research Foundation, Inc. | Plasma sampling interface for inductively coupled plasma-mass spectrometry (ICP-MS) |
GB9219457D0 (en) * | 1992-09-15 | 1992-10-28 | Fisons Plc | Reducing interferences in plasma source mass spectrometers |
US5402227A (en) * | 1993-02-18 | 1995-03-28 | Itt Corporation | High resolution multiple channel imaging spectrometer |
DE4322102C2 (de) * | 1993-07-02 | 1995-08-17 | Bergmann Thorald | Flugzeit-Massenspektrometer mit Gasphasen-Ionenquelle |
DE4333469A1 (de) * | 1993-10-01 | 1995-04-06 | Finnigan Mat Gmbh | Massenspektrometer mit ICP-Quelle |
US5378895A (en) * | 1993-11-12 | 1995-01-03 | Eg&G Idaho, Inc. | Gamma neutron assay method and apparatus |
US5495107A (en) * | 1994-04-06 | 1996-02-27 | Thermo Jarrell Ash Corporation | Analysis |
DE19520276C2 (de) * | 1995-06-02 | 1999-08-26 | Bruker Daltonik Gmbh | Vorrichtung für die Einführung von Ionen in ein Massenspektrometer |
JPH10241625A (ja) * | 1997-02-24 | 1998-09-11 | Hitachi Ltd | プラズマイオン源質量分析装置及び方法 |
US6870153B2 (en) * | 1999-02-25 | 2005-03-22 | British Nuclear Fuels Plc | Analytical instrument for measurement of isotopes at low concentration and methods for using the same |
JP2000311650A (ja) * | 1999-02-26 | 2000-11-07 | Hitachi Ltd | プラズマイオン源質量分析装置 |
US7829872B2 (en) * | 2004-12-14 | 2010-11-09 | National Research Council Of Canada | UV reactive spray chamber for enhanced sample introduction efficiency |
US8436318B2 (en) * | 2010-04-05 | 2013-05-07 | Varian Semiconductor Equipment Associates, Inc. | Apparatus for controlling the temperature of an RF ion source window |
WO2018154512A1 (en) * | 2017-02-24 | 2018-08-30 | The Governing Council Of The University Of Toronto | Argon recycling system for an inductively coupled plasma mass spectrometer |
CA3058438A1 (en) * | 2017-03-29 | 2018-10-04 | Perkinelmer Health Sciences, Inc. | Cooling devices and instruments including them |
GB201810824D0 (en) * | 2018-06-01 | 2018-08-15 | Micromass Ltd | An outer source assembly and associated components |
GB2585327B (en) | 2018-12-12 | 2023-02-15 | Thermo Fisher Scient Bremen Gmbh | Cooling plate for ICP-MS |
EP3819611B1 (en) * | 2019-11-05 | 2024-03-27 | Hitachi High-Tech Analytical Science GmbH | An easily adjustable optical emission spectrometer |
JP7039096B2 (ja) * | 2020-03-31 | 2022-03-22 | アトナープ株式会社 | ガス分析装置、プロセスモニタリング装置、ガス分析装置の制御方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62202450A (ja) * | 1986-02-28 | 1987-09-07 | Yokogawa Electric Corp | 高周波誘導結合プラズマ・質量分析計 |
JPS63308857A (ja) * | 1987-06-11 | 1988-12-16 | Yokogawa Electric Corp | 誘導結合プラズマ・質量分析計 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5819848A (ja) * | 1981-07-29 | 1983-02-05 | Denshi Kagaku Kk | 質量分析装置 |
CA1189201A (en) * | 1982-12-08 | 1985-06-18 | Donald J. Douglas | Method and apparatus for sampling a plasma into a vacuum chamber |
FR2580586B1 (fr) * | 1985-04-23 | 1991-02-08 | Kronseder Hermann | Dispositif d'application de colle pour machine a etiqueter |
CA1246246A (en) * | 1985-04-24 | 1988-12-06 | Donald J. Douglas | Method and apparatus having rf biasing for sampling a plasma into a vacuum chamber |
JPS6220231A (ja) * | 1985-07-18 | 1987-01-28 | Seiko Instr & Electronics Ltd | Icp質量分析装置 |
CA1245778A (en) * | 1985-10-24 | 1988-11-29 | John B. French | Mass analyzer system with reduced drift |
GB8602463D0 (en) * | 1986-01-31 | 1986-03-05 | Vg Instr Group | Mass spectrometer |
GB2213636B (en) * | 1988-01-07 | 1993-01-27 | Toshiba Kk | Apparatus for introducing samples into an inductively coupled,plasma source mass spectrometer |
JP2543761B2 (ja) * | 1989-03-23 | 1996-10-16 | セイコー電子工業株式会社 | 誘導結合プラズマ質量分析装置 |
-
1988
- 1988-06-03 GB GB888813149A patent/GB8813149D0/en active Pending
-
1989
- 1989-06-02 CA CA000601528A patent/CA1312680C/en not_active Expired - Lifetime
- 1989-06-05 WO PCT/GB1989/000622 patent/WO1989012313A1/en active IP Right Grant
- 1989-06-05 EP EP89906407A patent/EP0436544B1/en not_active Expired - Lifetime
- 1989-06-05 JP JP1506170A patent/JP2724416B2/ja not_active Expired - Lifetime
- 1989-06-05 DE DE68926167T patent/DE68926167T2/de not_active Expired - Lifetime
-
1990
- 1990-12-03 US US07623401 patent/US5068534B1/en not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62202450A (ja) * | 1986-02-28 | 1987-09-07 | Yokogawa Electric Corp | 高周波誘導結合プラズマ・質量分析計 |
JPS63308857A (ja) * | 1987-06-11 | 1988-12-16 | Yokogawa Electric Corp | 誘導結合プラズマ・質量分析計 |
Also Published As
Publication number | Publication date |
---|---|
EP0436544B1 (en) | 1996-04-03 |
WO1989012313A1 (en) | 1989-12-14 |
US5068534A (en) | 1991-11-26 |
JP2724416B2 (ja) | 1998-03-09 |
US5068534B1 (en) | 1995-02-14 |
DE68926167D1 (de) | 1996-05-09 |
CA1312680C (en) | 1993-01-12 |
EP0436544A1 (en) | 1991-07-17 |
DE68926167T2 (de) | 1996-08-29 |
GB8813149D0 (en) | 1988-07-06 |
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