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公开(公告)号：US5753909A
公开(公告)日：1998-05-19
申请号：US560404
申请日：1995-11-17
Applicant: Melvin Park , Victor George Fursey , John Wronka
Inventor： Melvin Park , Victor George Fursey , John Wronka
CPC classification number: H01J49/061 , H01J49/004 , H01J49/40
Abstract: A method and apparatus for analyzing ions by determining times of flight including using a collision cell to activate ions toward fragmentation and a deflector to direct ions away from their otherwise intended or parallel course. Deflectors are used as gates, so that particular ions may be selected for deflection, while others are allowed to continue along their parallel or otherwise straight path, from the ion source, through a flight tube, and eventually, to a detector. According to the present invention, a postselector, in the form of two deflection plates is used as an ion deflector and is encountered by ions after the collision cell as they progress through the spectrometer.
Abstract translation: 一种用于通过确定飞行时间来分析离子的方法和装置，包括使用碰撞单元激活离子朝向碎裂，以及偏转器，以使离子远离其它预期的或平行的过程。 偏转器用作门，使得可以选择特定的离子进行偏转，而其他离子可以沿着它们的平行或其他直线路径从离子源，通过飞行管，并且最终到达检测器。 根据本发明，使用两个偏转板形式的后置选择器作为离子导流器，并且当它们通过光谱仪进行时，碰撞电池之后被离子遇到。
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公开(公告)号：US5696375A
公开(公告)日：1997-12-09
申请号：US560396
申请日：1995-11-17
Applicant: Melvin Park , Claus Koster
Inventor： Melvin Park , Claus Koster
CPC classification number: H01J49/061 , H01J49/40
Abstract: A method and apparatus to direct ions away from their otherwise intended or parallel course. Deflectors are used to establish electric fields in regions through which ions are to pass. With such electric fields, ions may be deflected to a desired trajectory. According to the present invention, a multideflector, in the form of a series of bipolar plates spaced evenly across the ion beam path, is used as an ion deflector.
Abstract translation: 一种将离子远离其他预期或平行过程的方法和装置。 偏转器用于在离子通过的区域建立电场。 通过这样的电场，离子可以被偏转到期望的轨迹。 根据本发明，以离子束路径均匀间隔开的一系列双极板的形式的多重反射器被用作离子偏转器。
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公开(公告)号：US4486664A
公开(公告)日：1984-12-04
申请号：US401614
申请日：1982-07-26
Applicant: Hermann Wollnik
Inventor： Hermann Wollnik
IPC: G21K1/087 , H01J37/147 , H01J49/04 , B01D59/44 , H01J35/00
CPC classification number: H01J49/061 , G21K1/087 , H01J37/1471
Abstract: An arrangement and a process for adjusting imaging systems for bundles of charged particles, or for adjusting spectrometers for bundles of charged particles, are indicated, in which arrangement and process electric and/or magnetic correcting elements are used, which possess, in every case, a large number of electrodes and/or current conductors, which are arranged, symmetrically or asymmetrically, around the optical axis of the particle bundle, these electrodes being at potentials such that the resulting potentials V (r, .PHI.) at an azimuth angle (.PHI.) to a cylindrical surface at a radius (r) around an optical axis (Z) can be represented as the sum of V.sub.1 and V.sub.2, or, as the case may be, these current conductors carrying currents such that the magnitudes of the resulting currents I (r, .PHI.) at the azimuth angle (.PHI.), as defined above, can be represented as the sum of I.sub.1 and I.sub.2. The expressions V.sub.1, V.sub.2 and I.sub.1, I.sub.2 can, in their turn, be represented as sums, their addends being, respectively, of the type V.sub.1 =V.sub.1k sink.PHI., V.sub.2 =V.sub.2k cosk.PHI., and I.sub.1 =I.sub.1k sink.PHI. and I.sub.2 =I.sub.2k cosk.PHI., where k=1, 2, . . . P, with P representing the order of the multipole. The potentials and/or the currents are utilized, in this manner, to obtain superpositions of electric and/or magnetic dipoles, quadrupoles, hexapoles, etc.
Abstract translation: 示出了用于调整带电粒子束成像系统或用于调节带电粒子束束的光谱仪的装置和方法，其中使用了布置和处理电和/或磁校正元件，其在每种情况下都具有， 围绕颗粒束的光轴布置，对称或不对称地布置的大量电极和/或电流导体，这些电极处于电位，使得所得到的电位V（r，PHI）在方位角（PHI ）到围绕光轴（Z）的半径（r）处的圆柱形表面可以表示为V1和V2的总和，或者视情况而定，这些电流导体承载电流，使得所得到的电流的大小 如上定义的方位角（PHI）下的I（r，PHI）可以表示为I1和I2的和。 表达式V1，V2和I1，I2又可以表示为和，它们的加数分别为V1 = V1ksink PHI，V2 = V2kcosk PHI，I1 = I1ksink PHI，I2 = I2kcosk PHI， 其中k = 1,2。 。 。 P，P代表多极的顺序。 以这种方式利用电势和/或电流来获得电和/或磁偶极子，四极体，六极体等的叠加。
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公开(公告)号：US20240355606A1
公开(公告)日：2024-10-24
申请号：US18758956
申请日：2024-06-28
Applicant: Micromass UK Limited
Inventor： Kevin Giles , David J. Langridge , Jason Lee Wildgoose
IPC: H01J49/06 , G01N27/622 , G01N27/623 , H01J49/00 , H01J49/42 , H01J49/40
CPC classification number: H01J49/062 , G01N27/622 , G01N27/623 , H01J49/0031 , H01J49/061 , H01J49/422 , H01J49/408
Abstract: A method of introducing and ejecting ions from an ion entry/exit device 4 is disclosed. The ion entry/exit device 4 has at least two arrays of electrodes 20,22. The device is operated in a first mode wherein DC potentials are successively applied to successive electrodes of at least one of the electrode arrays 20,22 in a first direction such that a potential barrier moves along the at least one array in the first direction and drives ions into and/or out of the device in the first direction. The device is also operated in a second mode, wherein DC potentials are successively applied to successive electrodes of at least one of the electrode arrays 20,22 in a second, different direction such that a potential barrier moves along the array in the second direction and drives ions into and/or out of the device in the second direction. The device provides a single, relatively simple device for manipulating ions in multiple directions. For example, the device may be used to load ions into or eject ions from an ion mobility separator in a first direction, and may then be used to cause ions to move through the ion mobility separator in the second direction so as to cause the ions to separate.
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公开(公告)号：US20240312775A1
公开(公告)日：2024-09-19
申请号：US18604359
申请日：2024-03-13
Applicant: Thermo Fisher Scientific (Bremen) GmbH
Inventor： Hamish STEWART , Dmitry GRINFELD
CPC classification number: H01J49/406 , H01J49/0009 , H01J49/061 , H01J49/067
Abstract: A time-of-flight (ToF) mass analyser determines mass to charge ratio (m/z) of ions by determining flight times along an ion path. In first and second modes of operation, flight times of the ions along the ion path are determined to obtain respective first and second sets of data. In the first and second modes, the ion path has first and second path lengths and the paths are maintained at first and second pressures, respectively, wherein the first and second path lengths and/or the first and second pressures are different. An ion peak in the first set of data is compared to a corresponding ion peak in the second set of data, and a collision cross section of the associated ions is determined based on the comparison.
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Patent Agency Ranking
公开(公告)号：US12051583B2
公开(公告)日：2024-07-30
申请号：US18053916
申请日：2022-11-09
Applicant: Micromass UK Limited
Inventor： Kevin Giles , David J. Langridge , Jason Lee Wildgoose
IPC: H01J49/06 , G01N27/622 , G01N27/623 , H01J49/00 , H01J49/42 , H01J49/40
CPC classification number: H01J49/062 , G01N27/622 , G01N27/623 , H01J49/0031 , H01J49/061 , H01J49/422 , H01J49/408
Abstract: A method of introducing and ejecting ions from an ion entry/exit device (4) is disclosed. The ion entry/exit device (4) has at least two arrays of electrodes (20,22). The device is operated in a first mode wherein DC potentials are successively applied to successive electrodes of at least one of the electrode arrays ((20,22) in a first direction such that a potential barrier moves along the at least one array in the first direction and drives ions into and/or out of the device in the first direction. The device is also operated in a second mode, wherein DC potentials are successively applied to successive electrodes of at least one of the electrode arrays (20,22) in a second, different direction such that a potential barrier moves along the array in the second direction and drives ions into and/or out of the device in the second direction. The device provides a single, relatively simple device for manipulating ions in multiple directions. For example, the device may be used to load ions into or eject ions from an ion mobility separator in a first direction, and may then be used to cause ions to move through the ion mobility separator in the second direction so as to cause the ions to separate.
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公开(公告)号：US20240203719A1
公开(公告)日：2024-06-20
申请号：US18285715
申请日：2022-04-04
Applicant: DH Technologies Development Pte. Ltd.
Inventor： Aaron Timothy BOOY , James HAGER
IPC: H01J49/06
CPC classification number: H01J49/066 , H01J49/061
Abstract: In one aspect, an ion guide for use in a mass spectrometer is disclosed, which comprises a pair of printed circuit boards (PCBs) having an inlet for receiving a plurality of ions from an upstream ion source and outlet through which the ions exit the ion guide. The ion guide includes at least two ion paths provided in the space between the two PCBs for transmission of ions from the inlet to the outlet. The ion guide can further include at least one ion-routing device that can be coupled to the ions paths for selecting a propagation path of the ions between those ion paths. In some embodiments, the two ion paths can have at least one segment in common.
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公开(公告)号：US20240186134A1
公开(公告)日：2024-06-06
申请号：US18285119
申请日：2021-05-14
Applicant: Shimadzu Corporation
Inventor： Yoshihiro UENO
CPC classification number: H01J49/147 , H01J49/061 , H01J49/4215
Abstract: One mode of the mass spectrometer according to the present invention is a mass spectrometer including an ion source configured to ionize a component contained in a sample gas, the ion source (3) including: an ionization chamber (30) having an ion ejection opening (301) and forming a space substantially partitioned from an outside inside the ionization chamber; a thermal electron supply unit (32) configured to supply thermal electrons to an inside of the ionization chamber; a magnetic field forming unit (34, 35) configured to form a magnetic field inside the ionization chamber such that the thermal electrons move helically; and a deflection electric field forming unit (37, 7) configured to form a deflection electric field deflecting ions derived from the component generated in the ionization chamber by a direct or indirect action of the thermal electrons in a direction against a force received from the magnetic field when the ions are moving toward the ion ejection opening.
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公开(公告)号：US20240170273A1
公开(公告)日：2024-05-23
申请号：US18527974
申请日：2023-12-04
Applicant: Purdue Research Foundation
Inventor： Robert Graham Cooks , Zane Baird , Pu Wei
IPC: H01J49/24 , G01N27/622 , G01N27/623 , H01J49/00 , H01J49/06 , H01J49/14
CPC classification number: H01J49/24 , G01N27/622 , G01N27/623 , H01J49/0013 , H01J49/061 , H01J49/142
Abstract: A rigid hull with a flat bottom is covered on the underside by a membrane or sail that is held taut and flush during flight mode for improved aerodynamics with conventional landing gear behind it that is attached to a rail or ski with hinges such that when the landing gear is deployed, the ski presses into the membrane, approximately forming the shape of a boat hull for maritime situations and soft landing especially.
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公开(公告)号：US11953466B2
公开(公告)日：2024-04-09
申请号：US17327159
申请日：2021-05-21
Applicant: MOBILion Systems, Inc.
Inventor： John Daniel DeBord , Liulin Deng , Gordon A. Anderson
IPC: H01J49/16 , G01N27/622 , H01J49/06
CPC classification number: G01N27/622 , H01J49/061 , H01J49/16
Abstract: Methods and apparatus for ion accumulation are disclosed. An apparatus for ion accumulation includes multiple regions. A first region receives and transfers ions to a second region using a first drive potential. The second region is switchable between a first state where it generates a first electric field preventing ions from further movement and entering a third region, and a second state where it generates a second electric field that guides the ions toward the third region. When in the first state, the ions are prevented from further movement by the first electric field, which causes the ions to accumulate in the second region. When in the second state, the ions are moved from the second region to the third region by the second electric field. A method of accumulating ions involves switching an electric field applied to a region between a trap state and a release state.
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