Isotope analysis
US4068122A · kind A · utility
19Cited by
3References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 9, 1976 |
| Grant date | Jan 10, 1978 |
| Priority date | — |
| Expiry date | Aug 9, 1996 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J49/0027
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The difference in concentration of a selected isotope in two materials is measured by directing beams of the materials toward the inlet of a mass spectrometer. A shutter is positioned in each beam to pass the two beams at predetermined different frequencies. The output signal from the mass spectrometer is applied to two synchronous detectors, each of which receives a reference signal representative of the frequency at which a respective beam is passed to the mass spectrometer. The output signals from the two detectors are compared.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.