Electrode of color picture tube electron gun and method for manufacture thereof
US4366414A · kind A · utility
16Cited by
3References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 5, 1980 |
| Grant date | Dec 28, 1982 |
| Priority date | — |
| Expiry date | May 5, 2000 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J29/56
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A first grid electrode for an in-line type color picture tube electron gun and a method for fabrication thereof are disclosed. This electrode is formed of a single metal plate, and has a first recess having a predetermined width and depth formed in one surface of the metal plate and extending in the same direction as a direction in which a plurality of cathodes of the electron gun are arranged, and a second recess having a predetermined width and depth formed in the other surface of the metal plate and extending in the direction perpendicular to the extending direction of the first recess.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.