Mass spectrometer
US6762404B2 · kind B2 · utility
19Cited by
18References
40Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 25, 2002 |
| Grant date | Jul 13, 2004 |
| Priority date | — |
| Expiry date | Jun 25, 2022 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J49/065
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A mass spectrometer includes a fragmentation cell having a plurality of ring or plate-like electrodes with apertures through which ions are transmitted. An axial DC gradient is preferably maintained along at least a portion of the length of the fragmentation cell in order to improve the transit time of ions through the device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.