EMI/RFI shield for visual display terminals
US4910090A · kind A · utility
57Cited by
6References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 21, 1987 |
| Grant date | Mar 20, 1990 |
| Priority date | — |
| Expiry date | Oct 21, 2007 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31678
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A multilayer composite EMI/RFI filter for use in front of visual displays is disclosed to be constructed of a shaped or shapable plastic substrate having an outer diffuse hardcoat and one or more conductor transmissive layers of metal. Preferably the metal is presented as a sputter-deposited dielectric-metal-dielectric stack.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.