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1.发明公开
公开(公告)号：EP3891777A1
公开(公告)日：2021-10-13
申请号：EP19702777.4
申请日：2019-01-11
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公开(公告)号：EP4391015A2
公开(公告)日：2024-06-26
申请号：EP24174366.5
申请日：2019-01-11
IPC分类号： H01J49/42
CPC分类号： H01J49/4245
摘要： An electrostatic linear ion trap (ELIT) array includes multiple elongated charge detection cylinders arranged end-to-end and each defining an axial passageway extending centrally therethrough, a plurality of ion mirror structures each defining a pair of axially aligned cavities and an axial passageway extending centrally therethrough, wherein a different ion mirror structure is disposed between opposing ends of each cylinder, and front and rear ion mirrors each defining at least one cavity and an axial passageway extending centrally therethrough, the front ion mirror positioned at one end of the arrangement of charge detection cylinders and the rear ion mirror positioned at an opposite end of the arrangement of charge detection cylinders, wherein the axial passageways of the charge detection cylinders, the ion mirror structures, the front ion mirror and the rear ion mirror are coaxial to define a longitudinal axis passing centrally through the ELIT array.
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公开(公告)号：EP4100991A1
公开(公告)日：2022-12-14
申请号：EP21750498.4
申请日：2021-02-03
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公开(公告)号：EP4391015A3
公开(公告)日：2024-10-09
申请号：EP24174366.5
申请日：2019-01-11
IPC分类号： H01J49/42
CPC分类号： H01J49/4245
摘要： An electrostatic linear ion trap (ELIT) array includes multiple elongated charge detection cylinders arranged end-to-end and each defining an axial passageway extending centrally therethrough, a plurality of ion mirror structures each defining a pair of axially aligned cavities and an axial passageway extending centrally therethrough, wherein a different ion mirror structure is disposed between opposing ends of each cylinder, and front and rear ion mirrors each defining at least one cavity and an axial passageway extending centrally therethrough, the front ion mirror positioned at one end of the arrangement of charge detection cylinders and the rear ion mirror positioned at an opposite end of the arrangement of charge detection cylinders, wherein the axial passageways of the charge detection cylinders, the ion mirror structures, the front ion mirror and the rear ion mirror are coaxial to define a longitudinal axis passing centrally through the ELIT array.
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6.发明公开
公开(公告)号：EP4443473A2
公开(公告)日：2024-10-09
申请号：EP24195623.4
申请日：2019-01-11
IPC分类号： H01J49/42
CPC分类号： H01J49/027 , H01J49/4245 , H01J49/426
摘要： A charge detection mass spectrometer may include an ion source, an electrostatic linear ion trap (ELIT) including a charge detection cylinder disposed between a pair of coaxially aligned ion mirrors, means for selectively establishing electric fields within the ion mirrors configured to cause the trapped ions in the ELIT to oscillate back and forth between the ion mirrors each time passing through the charge detection cylinder, and means for controlling a trajectory of the beam of ions entering the ELIT to cause the subsequently trapped ions to oscillate with different planar ion oscillation trajectories angularly offset from one another about the longitudinal axis with each extending along and crossing the longitudinal axis in each of the ion mirrors or with different cylindrical ion oscillation trajectories radially offset from one another about the longitudinal axis to form nested cylindrical trajectories each extending along the longitudinal axis.
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