Method of manufacturing color cathode ray tube
US5788549A · kind A · utility
0Cited by
8References
15Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 11, 1996 |
| Grant date | Aug 4, 1998 |
| Priority date | — |
| Expiry date | Jul 11, 2016 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J9/445
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A method of manufacturing a color cathode ray tube having an electron gun with plural electrodes is disclosed. The method includes the steps of aging a color cathode ray tube and knocking the aged color cathode ray tube, wherein in the knocking step, a high voltage is applied to the anode, a low voltage electrode is grounded, and the remaining electrodes are floated by a potential.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.