Method of preventing hydrogen darkening of optic fibre
US7561776B2 · kind B2 · utility
9Cited by
14References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 29, 2005 |
| Grant date | Jul 14, 2009 |
| Priority date | — |
| Expiry date | Jun 14, 2026 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B6/44382
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A method of preventing hydrogen darkening of optic fiber, which includes a step of providing a protective barrier of hydrogen free flowing gas around the optic fiber, such that the flowing gas sweeps away hydrogen.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.