Electron gun for a cathode ray tube
US5489229A · kind A · utility
4Cited by
3References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 24, 1995 |
| Grant date | Feb 6, 1996 |
| Priority date | — |
| Expiry date | Apr 24, 2015 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J2229/4827
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Method of manufacturing an electron gun comprises the steps of forming a plurality of electrode layers on the inner surface of at least one tube, providing at least one conductive layer on the surface of the tube, providing a pair of holders so as to hold both ends of said tube, providing a voltage supplying device on one of the pair of holders, and welding a plurality of electrodes forming a part of a triode to the other of the pair of holders.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.