Hermetic coatings for non-silica based optical fibers
US4874222A · kind A · utility
32Cited by
51References
37Claims
0Family size
Assignee
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Key dates
| Filing date | Feb 25, 1988 |
| Grant date | Oct 17, 1989 |
| Priority date | — |
| Expiry date | Feb 25, 2008 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2949
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A hermetically sealed optical fiber product comprising a fluoride or other non-silica based glass optical fiber and a hermetic coating of carbon, a metal, a fluoride, a metalloid or a ceramic compound in a thickness sufficient to impart moisture resistance to the optical fiber product.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.