Pancake spectrometer
US7217920B2 · kind B2 · utility
4Cited by
58References
34Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 14, 2004 |
| Grant date | May 15, 2007 |
| Priority date | — |
| Expiry date | Oct 3, 2024 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J49/42
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Method and apparatus for identification of chemical compounds in a sample based on differences in ion mobility, wherein the filter and detector electrodes are formed radially spaced on facing substrates.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.