Electrically insulating polymer matrix with conductive path formed in situ
US4841099A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 2, 1988 |
| Grant date | Jun 20, 1989 |
| Priority date | — |
| Expiry date | May 2, 2008 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05K2203/1136
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An electrical component is made from an electrically insulating polymer matrix filled with electrically insulating fibrous filler which is capable of heat conversion to electrically conducting fibrous filler and has at least one continuous electrically conductive path formed in the matrix by the in situ heat conversion of the electrically insulating fibrous filler. In a preferred embodiment, the fibrous filler is thermally stabilized polyacrylonitrile fibers and the conductive path is formed by in situ heat converted thermally stabilized polyacrylonitrile fibers which have been converted by directing a laser beam through a mask having a predetermined pattern to melt the polymer and to heat convert the thermally stabilized polyacrylonitrile fibers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.