Photomultiplier and detection systems
US8389942B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jun 11, 2009 |
| Grant date | Mar 5, 2013 |
| Priority date | — |
| Expiry date | Jun 11, 2029 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J43/18
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The invention provides a switchable photomultiplier switchable between a detecting state and a non-detecting state including a cathode upon which incident radiation is arranged to impinge. The photomultiplier also includes a series of dynodes arranged to amplify a current created at the cathode upon detection of photoradiation. The invention also provides a detection system arranged to detect radiation-emitting material in an object. The system includes a detector switchable between a detecting state in which the detector is arranged to detect radiation and a non-detecting state in which the detector is arranged to not detect radiation. The system further includes a controller arranged to control switching of the detector between the states such that the detector is switched to the non-detecting state while an external radiation source is irradiating the object.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.