Optical fiber PCVD using shifting of a deposition reversal point
US8051683B2 · kind B2 · utility
0Cited by
9References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 25, 2008 |
| Grant date | Nov 8, 2011 |
| Priority date | — |
| Expiry date | Jan 10, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P40/57
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
The present invention relates to a method for manufacturing a preform for optical fibers via a vapor deposition process in which the position of the reversal point near the substrate tube's supply side shifts along the longitudinal axis of the substrate tube during at least part of the deposition process.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.