Soft x-ray generator
US7502446B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 17, 2006 |
| Grant date | Mar 10, 2009 |
| Priority date | — |
| Expiry date | Nov 11, 2026 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05G2/001
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A soft x-ray generator includes a unique pulse trigger assembly which reliably and reproducibly provides a plasma to initiate the discharge between a cathode and an anode, and having a cone-shaped geometry. The soft x-ray generator of the present invention also includes a rotating anode which is generally disk-shaped with an outer circumferential edge which can be rotated with respect to the cathode to expose different sections of the anode to the plasma discharge, thereby reducing anode wear and providing longer term operation. Anode erosion is also reduced by the liquid cooling of the anode during use. The generator utilizes a relatively low capacitance for the cathode-to-anode discharge and a relatively high voltage and pulse repetition rate (frequency) to achieve continuous reproducible results.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.