Flat vacuum chambers without pumping stem
US5537001A · kind A · utility
4Cited by
7References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 30, 1995 |
| Grant date | Jul 16, 1996 |
| Priority date | — |
| Expiry date | Mar 30, 2015 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J2329/00
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A flat vacuum without pumping stem, for the manufacturing of display screens, comprises two plates made of glass, a sealing peripheral joint interrupted so as to provide an aperture for evacuation of the gases during manufacturing, a thin-film metallic pad disposed on each inner surface of the glass plates at the level of the aperture, and a sealing element made of metal having a low melting point disposed so as to contact the metallic pads.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.