Ion trap mass spectrometer method and apparatus for improved sensitivity
US5291017A · kind A · utility
56Cited by
3References
25Claims
0Family size
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Key dates
| Filing date | Jan 27, 1993 |
| Grant date | Mar 1, 1994 |
| Priority date | — |
| Expiry date | Jan 27, 2013 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J49/429
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An ion trap mass spectrometer system providing superposition of an AC dipole and/or monopole field on the quadrupole field to provide one preferential ejection direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.