Title:
ION GUIDE AND MASS SPECTROMETER
Document Type and Number:
WIPO Patent Application WO/2024/014208
Kind Code:
A1
Abstract:
The present invention provides an ion guide and a mass spectrometer that achieve both high ion intake efficiency and high ion convergence efficiency. Provided is an ion guide wherein ions advance through an internal space from an inlet side toward an outlet side. The ion guide comprises a plurality of plate-shaped electrodes. The plurality of plate-shaped electrodes are stacked with an interval therebetween in a stacking direction that is orthogonal to the advancement direction in which the ions advance. At least two of the plurality of plate-shaped electrodes are inclined plate-shaped electrodes having an inclined surface which is inclined with respect to the advancement direction, at a part that faces the internal space. The inclined plate-shaped electrodes each have, at an inlet side end face, an inclination start point at which the inclined surface starts. In at least two of the inclined plate-shaped electrodes which are adjacent in the stacking direction, the position of the inclination start point differs in a direction orthogonal to both the advancement direction and the stacking direction.
Inventors:
HASEGAWA HIDEKI (JP)
SUGIYAMA MASUYUKI (JP)
SUGIYAMA MASUYUKI (JP)
Application Number:
PCT/JP2023/021787
Publication Date:
January 18, 2024
Filing Date:
June 12, 2023
Export Citation:
Assignee:
HITACHI HIGH TECH CORP (JP)
International Classes:
H01J49/06
Domestic Patent References:
| WO2019193191A1 | 2019-10-10 |
Foreign References:
| JP2017537439A | 2017-12-14 | |||
| JP2012529156A | 2012-11-15 | |||
| JP2004014177A | 2004-01-15 | |||
| JP2018520481A | 2018-07-26 |
Attorney, Agent or Firm:
HIRAKI & ASSOCIATES (JP)
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