Hermetically sealed optical fibers
US5000541A · kind A · utility
56Cited by
3References
29Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 27, 1989 |
| Grant date | Mar 19, 1991 |
| Priority date | — |
| Expiry date | Sep 27, 2009 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC03C25/1062
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A hermetically coated optical fiber is produced by contacting a hot fiber with an organic material such as acetylene. The heat of the fiber causes decomposition and results in a hermetic, carbonaceous coating. This coating is essentially impermeable to both water and hydrogen.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.