Ionization chamber for reactive samples
US6608318B1 · kind B1 · utility
8Cited by
15References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 31, 2000 |
| Grant date | Aug 19, 2003 |
| Priority date | — |
| Expiry date | Apr 23, 2021 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J27/02
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present invention relates to a mass spectrometer that includes an ionization source having a chamber for ionizing a fluid sample. The ionization chamber has surfaces to reduce the overall interaction with reactive samples. The inner surface walls of the ionization chamber may be formed from an inorganic conductive nitride or disulfide material or may be applied to a substrate as a coating. The invention also includes a method for reducing the interaction of a reactive analyte with the inner wall of the chamber by application or coating the inner wall of the chamber with an inert conductive material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.