Composite shadow mask
US5863681A · kind A · utility
1Cited by
9References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 19, 1996 |
| Grant date | Jan 26, 1999 |
| Priority date | — |
| Expiry date | Sep 19, 2016 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J2229/0733
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A shadow mask of two different metals which are cold rolled into adhesion with the shadow mask made from a first metal having a coefficient of thermal expansion on the order of glass and a second metal having a coefficient of thermal expansion substantially greater than glass with the first metal forming a framework for holding the second metal in position even though the temperature of the first and second metals is elevated.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.