Method for reducing X-ray tube power de-rating during dynamic focal spot deflection
US7945024B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Aug 16, 2006 |
| Grant date | May 17, 2011 |
| Priority date | — |
| Expiry date | May 11, 2027 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05G1/52
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Methods are provided through which X-ray tube power de-rating can be reduced during dynamic focal spot deflection. In one embodiment, a method comprising generating an electron beam, focusing the electron beam to a first position on an anode, defocusing the electron beam on the anode and refocusing the electron beam at a second position on the anode. In another embodiment, a method comprising generating an electron beam, focusing the electron beam to a first position on an anode, inhibiting the electron beam and refocusing the electron beam at a second position on the anode. In another embodiment, a method comprising generating an electron beam, focusing the electron beam to a first position on an anode, steering the electron beam away from a nominal focal spot radius on the anode and refocusing the electron beam at a second position on the anode.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.