VAD manufacture of optical fiber preforms with improved deposition control
US6923024B2 · kind B2 · utility
0Cited by
4References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 9, 2002 |
| Grant date | Aug 2, 2005 |
| Priority date | — |
| Expiry date | Jul 20, 2023 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC03B2207/60
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
The specification describes a VAD method for dynamically controlling the growth rate of both the core soot and the cladding soot in response to separate growth monitors.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.