Ultrahigh speed X-ray CT scanner
US4866745A · kind A · utility
74Cited by
4References
2Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 30, 1987 |
| Grant date | Sep 12, 1989 |
| Priority date | — |
| Expiry date | Mar 30, 2007 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2223/419
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An X-ray CT scanner comprises a plurality of X-ray generators which are arranged radially on a circle concentric with an object for measurement and each consists of a cathode electrode, an anode electrode constituting a target and a grid between the cathode and anode electrodes. For X-ray tomography, X-rays are projected onto the objects from the circle concentric therewith by sequentially temporarily removing a bias voltage applied to the grids of the respective X-ray generators for suppressing an electron beam directed from the cathode electrode to the anode electrode of each X-ray generator.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.