Ion guiding device
US8581181B2 · kind B2 · utility
28Cited by
7References
18Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 22, 2008 |
| Grant date | Nov 12, 2013 |
| Priority date | — |
| Expiry date | Oct 26, 2029 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J49/26
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An ion guiding device is disclosed comprising a first ion guide which is conjoined with a second ion guide. Ions are urged across a radial pseudo-potential barrier which separates the two guiding regions by a DC potential gradient. Ions may be transferred from an ion guide which has a relatively large cross-sectional profile to an ion guide which has a relatively small cross-sectional profile in order to improve the subsequent ion confinement of the ions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.