Large metal cone cathode ray tubes, and envelopes therefor
US4432464A · kind A · utility
7Cited by
11References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 9, 1981 |
| Grant date | Feb 21, 1984 |
| Priority date | — |
| Expiry date | Sep 9, 2001 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J29/86
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A large metal cone cathode ray tube and envelope for the same in which the faceplate is adhered to the metal cone by a frit seal without distorting the faceplate. In some embodiments, a glass neck assembly also is adhered to the metal cone by a frit seal. Readily available glass and metal materials can be used.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.