Shadow mask for cathode ray tube and method of manufacturing same
US6373177B1 · kind B1 · utility
0Cited by
3References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 1, 1998 |
| Grant date | Apr 16, 2002 |
| Priority date | — |
| Expiry date | Dec 1, 2018 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J2229/0777
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A shadow mask for a cathode ray tube includes a surface hardening layer and a solid-solution and precipitation hardening layer formed under the surface hardening layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.