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    • 6. 发明申请
    • MASS SPECTROMETER FOR BOTH POSITIVE AND NEGATIVE PARTICLE DETECTION
    • 质谱仪用于正负粒子检测
    • WO2005008719A3
    • 2005-10-20
    • PCT/US2004021113
    • 2004-06-30
    • OI CORPSCHEIDEMANN ADI ADASSEL MARKWADSWORTH MARKVASSILIOU EUSTATHIOS
    • SCHEIDEMANN ADI ADASSEL MARKWADSWORTH MARKVASSILIOU EUSTATHIOS
    • H01F7/02H01J49/02H01J49/10H01J49/20H01J49/32
    • H01J49/30H01J49/0095H01J49/20
    • A mass spectrometer suitable to measure both positive and negative particles, such as ions for example in a vacuum chamber. This spectrometer is provided with a turnable permanent magnet segment, which provides the gap of a yoke with adequate magnetic flux having the appropriate direction to separate the positive or the negative particles. Changing the polarity adjusts the flight path of the ions. Thus, negatively charged ions and positively charged ions will follow similar flight paths under opposite polarities, permitting the use of a single array of detectors. One or more coils may be used in place of or in addition to the turnable permanent magnet segment in order to provide the appropriate magnetic flux to the gap, and/or facilitate the turning process of the turnable magnet segment. The turnable magnet and/or the coils may be inside or outside the vacuum chamber. The detector may comprise at least one detector area, two charge mode amplifiers coupled to the detector area, a first CCD shift register coupled to a first one of the charge mode amplifiers and a second CCD shift register coupled to a second one of the charge mode amplifiers.
    • 质谱仪适用于测量正负粒子,例如真空室中的离子。 该分光计配备有可转动的永磁体段,其为轭提供具有适当方向的足够磁通量的间隙以分离正颗粒或负颗粒。 改变极性可调整离子的飞行路径。 因此,带负电荷的离子和带正电的离子将在相反的极性下遵循类似的飞行路径,从而允许使用单个阵列的检测器。 可以使用一个或多个线圈代替可转动的永磁体节段或者除了可转动的永磁体节段之外,以便向间隙提供适当的磁通量,和/或促进可转动的磁体节段的转动过程。 可转动的磁体和/或线圈可以在真空室内部或外部。 检测器可以包括至少一个检测器区域,耦合到检测器区域的两个充电模式放大器,耦合到第一个充电模式放大器的第一CCD移位寄存器和耦合到充电模式中的第二个的第二CCD移位寄存器 放大器。
    • 8. 发明申请
    • MASS SPECTROMETER FOR BOTH POSITIVE AND NEGATIVE PARTICLE DETECTION
    • 用于两个积极和负面粒子检测的质谱仪
    • WO2005008719A2
    • 2005-01-27
    • PCT/US2004/021113
    • 2004-06-30
    • INTELLIGENT ION, INC.SCHEIDEMANN, Adi, A.DASSEL, MarkWADSWORTH, MarkVASSILIOU, Eustathios
    • SCHEIDEMANN, Adi, A.DASSEL, MarkWADSWORTH, MarkVASSILIOU, Eustathios
    • H01J49/00
    • H01J49/30H01J49/0095H01J49/20
    • A mass spectrometer suitable to measure both positive and negative particles, such as ions for example in a vacuum chamber. This spectrometer is provided with a turnable permanent magnet segment, which provides the gap of a yoke with adequate magnetic flux having the appropriate direction to separate the positive or the negative particles. Changing the polarity adjusts the flight path of the ions. Thus, negatively charged ions and positively charged ions will follow similar flight paths under opposite polarities, permitting the use of a single array of detectors. One or more coils may be used in place of or in addition to the turnable permanent magnet segment in order to provide the appropriate magnetic flux to the gap, and/or facilitate the turning process of the turnable magnet segment. The turnable magnet and/or the coils may be inside or outside the vacuum chamber. The detector may comprise at least one detector area, two charge mode amplifiers coupled to the detector area, a first CCD shift register coupled to a first one of the charge mode amplifiers and a second CCD shift register coupled to a second one of the charge mode amplifiers.
    • 适用于测量正负颗粒的质谱仪,例如在真空室中的离子。 该光谱仪设置有可转动永磁体段,其提供具有适当方向的足够的磁通量的磁轭的间隙以分离正或负的颗粒。 改变极性调整离子的飞行路径。 因此,带负电荷的离子和带正电荷的离子将在相反的极性下遵循相似的飞行路径,允许使用单个检测器阵列。 可以使用一个或多个线圈代替可转动永久磁铁段或除了可转动永磁体段之外,以便向间隙提供适当的磁通量和/或便于可转动磁体段的转动过程。 可转动磁体和/或线圈可以在真空室的内部或外部。 检测器可以包括至少一个检测器区域,耦合到检测器区域的两个充电模式放大器,耦合到第一个充电模式放大器的第一CCD移位寄存器和耦合到充电模式中的第二个的第二CCD移位寄存器 放大器。