Measuring cell for ion cyclotron resonance mass spectrometer
US7368711B2 · kind B2 · utility
6Cited by
5References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 4, 2005 |
| Grant date | May 6, 2008 |
| Priority date | — |
| Expiry date | May 2, 2026 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J49/38
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The invention relates to a measuring cell for an ion cyclotron resonance mass spectrometer (FTMS). The invention provides a measuring cell which, on the one hand, consists of two ion-repelling RF grids at the front ends as trapping electrodes and thus produces a pure cyclotron motion of the ions without the usually co-existing magnetron motion and, on the other hand, measures a multiplied cyclotron frequency by means of a plurality of detection electrodes, whereby either a higher mass accuracy or a shorter measuring time can be achieved.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.