Glass panel for a CRT having a strengthened flat face portion
US6121723A · kind A · utility
10Cited by
6References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 13, 1998 |
| Grant date | Sep 19, 2000 |
| Priority date | — |
| Expiry date | Feb 13, 2018 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J2229/87
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A glass panel for a cathode ray tube having a substantially flat face portion and being safe and light in weight wherein the smallest value of the averaged radius of curvature of an outer face of the face portion is 25,000-50,000 mm and the outer face portion of the face portion has a compressive stress of 6-30 MPa in absolute value.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.