Mass spectrometers and methods of mass spectrometry
US6642514B2 · kind B2 · utility
11Cited by
9References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 16, 2001 |
| Grant date | Nov 4, 2003 |
| Priority date | — |
| Expiry date | Aug 16, 2021 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J49/065
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A mass spectrometer is disclosed comprising an ion guide which spans two or more vacuum chambers. The ion guide comprises a plurality of electrodes having apertures. Preferably, one of the electrodes also forms a differential pumping aperture which separates two vacuum chambers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.