Black thermal control film and thermally controlled microwave device containing porous carbon pigments
US6139943A · kind A · utility
3Cited by
10References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 18, 1998 |
| Grant date | Oct 31, 2000 |
| Priority date | — |
| Expiry date | Aug 18, 2018 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/26
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A black film useful in thermal control has a matrix with 100 parts by weight of a polymer, and from about 1 to about 6 parts by weight of an electrically conductive carbon pigment having a porous, sponge-like structure dispersed through the matrix. The film may be a freestanding film, typically about 0.001 to about 0.003 inches thick, used as a radome. The film may instead be a liquid paint or a solid paint applied to a surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.