Method for etching a primary preform
US9994480B2 · kind B2 · utility
0Cited by
5References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 14, 2016 |
| Grant date | Jun 12, 2018 |
| Priority date | — |
| Expiry date | Jan 12, 2037 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC03B37/018
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
The present invention relates in a first aspect to a method for etching a primary preform or core rod. The present invention moreover relates in a second aspect to the etched primary preform thus obtained and moreover to a final preform and optical fibers obtained therefrom and to a method of preparing optical fibers therefrom.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.