Device for fixing a pyrolytic graphite grid onto the base of an electron tube
US4728852A · kind A · utility
2Cited by
1References
2Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 25, 1985 |
| Grant date | Mar 1, 1988 |
| Priority date | — |
| Expiry date | Jun 25, 2005 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J1/94
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present invention concerns a device for fixing the skirt of a grid made of pyrolytic graphite to the base of an electron tube, the fixation device being constituted by a ring fixed onto the base of the tube against which is maintained the skirt of the grid by means of abutments.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.