Method and apparatus for treating fluorescent substance
US4397885A · kind A · utility
13Cited by
9References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 22, 1981 |
| Grant date | Aug 9, 1983 |
| Priority date | — |
| Expiry date | Jul 22, 2001 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05H1/42
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A method and an apparatus for treating fluorescent substances used in illumination lamps or cathode ray tubes for television receivers. A gas plasma is produced by passing a gas through a discharge tube. The gas plasma including the active species are directed so as to bring the active species into contact with the fluorescent substance, the fluorescent substance being placed at a region separated from the plasma producing region.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.