Low density, electromagnetic radiation absorption composition
US4414339A · kind A · utility
16Cited by
7References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 15, 1982 |
| Grant date | Nov 8, 1983 |
| Priority date | — |
| Expiry date | Mar 15, 2002 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01Q17/004
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
Low density compositions containing colloidal-size particulates of an ELM absorber such as Fe.sub.3 O.sub.4 and a particulate of an ELM attenuator such as carbonyl iron dispersed in a dielectric matrix such as a styrene/butyl acrylate copolymer provide improved absorption of electromagnetic radiations.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.