Input screen
US4195230A · kind A · utility
12Cited by
3References
11Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Mar 28, 1978 |
| Grant date | Mar 25, 1980 |
| Priority date | — |
| Expiry date | Mar 28, 1998 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J29/385
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An input screen of an X-ray fluoromultiplier tube, that is, an X-ray image intensifier tube, wherein an evaporated aluminum film is interposed between a substrate and a fluorescent substance (cesium iodide) film is disclosed. The input screen according to this invention does not undergo the "charge-up" attributed to the exfoliation or cracks of the cesium iodide film, and can therefore present a picture of extraordinarily high quality.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.