Ion guide for mass spectrometers
US8222597B2 · kind B2 · utility
43Cited by
3References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 13, 2010 |
| Grant date | Jul 17, 2012 |
| Priority date | — |
| Expiry date | Jan 12, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J49/066
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present invention relates generally to mass spectrometry and the analysis of chemical samples, and more particularly to ion guides for use therein. The invention described herein comprises an improved method and apparatus for transporting ions from a first pressure region in a mass spectrometer to a second pressure region therein. More specifically, the present invention provides a segmented ion funnel for more efficient use in mass spectrometry (particularly with ionization sources) to transport ions from the first pressure region to the second pressure region.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.