JP6426703B2 - イオン操作方法及びイオン操作装置 - Google Patents
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- 238000011017 operating method Methods 0.000 title 1
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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
- H01J49/06—Electron- or ion-optical arrangements
- H01J49/062—Ion guides
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- G—PHYSICS
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- G01N27/62—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosols; by investigating electric discharges, e.g. emission of cathode
- G01N27/622—Ion mobility spectrometry
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J49/00—Particle spectrometers or separator tubes
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Description
Claims (15)
- a.第1の表面および第2の表面と、
b.前記第1の表面および前記第2の表面に結合された内側電極のアレイであって、前記内側電極のアレイは、前記第1の表面および第2の表面のうちのいずれかにイオンが到達することを妨げる擬似電位を形成するRF電圧および第1のDC電位を形成する第1のDC電圧を受けるようになっている、前記内側電極のアレイと、
c.前記第1の表面および第2の表面に結合された外側電極のアレイであって、前記外側電極のアレイは、第2のDC電位を形成する第2のDC電圧を受けるようになっている、前記外側電極のアレイと
を備え、
前記擬似電位および前記第2のDC電位は、前記第1の表面と前記第2の表面との間のイオンの移動を操作するように構成され、前記第1のDC電位は、前記第1の表面および前記第2の表面のうちの少なくとも1つに平行にイオンを駆動させるように構成される、イオン操作装置。 - 前記内側電極のアレイ及び前記外側電極のアレイが実質的に前記第1の表面および前記第2の表面の長さに沿って延在する、請求項1に記載されたイオン操作装置。
- 前記外側電極のアレイが、第1の外側電極アレイおよび第2の外側電極アレイを備え、前記第1の外側電極アレイが前記内側電極のアレイの一方側に配置され、前記第2の外側電極アレイが前記内側電極のアレイの他方側に配置される、請求項1に記載されたイオン操作装置。
- 前記第1の外側電極アレイ及び第2の外側電極アレイが前記第2のDC電圧を受けるようになっている、請求項3に記載されたイオン操作装置。
- 前記内側電極のアレイの少なくとも1つの内側電極のRFが、隣接する内側電極から位相がずれており、前記擬似電位を形成するようになっている、請求項4に記載されたイオン操作装置。
- 複数の対の表面をさらに備え、前記複数の対の表面のうちの1つまたは複数の表面に設けられたアパーチャを通して前記イオンを運ぶことが可能になっており、前記複数の対の表面の異なる対の表面の間で前記イオンを移動させるように一連の電極が構成され、
前記一連の電極が交互の極性のRF電位を受け、それにより、前記異なる対の平行な表面の間でイオンを移動させるときに前記イオンの損失が防止される、請求項1に記載されたイオン操作装置。 - 前記第1の表面および前記第2の表面上の前記内側電極のアレイおよび前記外側電極のアレイが、
a.T形構成の分岐部分のところでイオンを方向転換させることを可能にする概略T形構成、
b.Y形構成の分岐部分のところでイオンを方向転換させることを可能にする概略Y形構成、
c.X形又はクロス形構成の一方又は両方の側の分岐部分のところでイオンを方向転換させることを可能にする概略X形又はクロス形構成、および
d.構成の1つ又は複数の側の分岐部分のところでイオンを方向転換させることを可能にする複数の分岐点を有するアスタリスク(*)形構成などの概略多角形構成
のうちの少なくとも1つの構成を形成する、請求項1に記載されたイオン操作装置。 - 前記第1の表面と前記第2の表面の間の空間が、不活性ガス、又は、イオンと反応するガスを有する、請求項1に記載されたイオン操作装置。
- 前記第1のDC電圧が静的な電圧又は動的な電圧であり、前記静的な電圧がDC勾配であり、前記動的な電圧が進行波である、請求項4に記載されたイオン操作装置。
- イオンを操作する方法であって、
a.第1の表面と第2の表面の間にイオンを射出するステップであって、内側電極のアレイおよび外側電極のアレイが前記第1の表面および前記第2の表面に結合されている、イオンを射出するステップと、
b.イオンが前記第1の表面および前記第2の表面のいずれかへ近づくことを妨げる擬似電位を形成する前記内側電極のアレイにRF電圧を印加するステップと、
c.第1のDC電位を形成するために、前記内側電極のアレイに第1のDC電圧を印加するステップと、
d.第2のDC電位を形成するために、前記外側電極のアレイに第2のDC電圧を印加するステップと
を含み、
形成された前記擬似電位および前記第2のDC電位は、前記第1の表面と前記第2の表面との間のイオンの移動を操作するように構成され、前記第1のDC電位は、前記第1の表面および前記第2の表面のうちの少なくとも1つに平行にイオンを駆動させるように構成される、イオンを操作する方法。 - 前記外側電極のアレイが、第1の外側電極アレイと、第2の外側電極アレイとを備え、前記内側電極のアレイ及び前記外側電極のアレイが実質的に各表面の長さに沿って延在し、前記第1の外側電極アレイが前記内側電極のアレイの一方側に配置され、前記第2の外側電極アレイが前記内側電極のアレイの他方側に配置される、請求項10に記載されたイオンを操作する方法。
- 前記内側電極のアレイに印加される前記第1のDC電圧および前記外側電極のアレイに印加される前記第2のDC電圧が静的電圧であるか、時変DCオフセット電圧であるか、又は、静的電圧と時変DCとの組合せである、請求項10に記載されたイオンを操作する方法。
- 前記時変DC電圧が円形経路又は長方形経路で前記イオンを移動させることを可能にし、前記円形経路又は長方形経路を前記イオンが2回以上通過する、請求項12に記載されたイオンを操作する方法。
- 正及び負の荷電イオンに、特定の領域内を移動しながら、分裂することを誘起させるか又はイオン−イオン反応を起こさせる、請求項10に記載されたイオンを操作する方法。
- 前記内側電極のアレイ及び前記外側電極のアレイが、前記第1の表面および第2の表面のうちの少なくとも1つの表面に対して垂直である、請求項10に記載されたイオンを操作する方法。
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US201361809660P | 2013-04-08 | 2013-04-08 | |
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US14/146,922 US8835839B1 (en) | 2013-04-08 | 2014-01-03 | Ion manipulation device |
US14/146,922 | 2014-01-03 | ||
PCT/US2014/011291 WO2014168660A1 (en) | 2013-04-08 | 2014-01-13 | Ion manipulation method and device |
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US8835839B1 (en) | 2014-09-16 |
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