Plasma torch for overcladding an optical fiber preform
US7854145B2 · kind B2 · utility
1Cited by
4References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 27, 2007 |
| Grant date | Dec 21, 2010 |
| Priority date | — |
| Expiry date | Apr 14, 2029 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P40/57
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Disclosed is a plasma torch for overcladding a primary preform of an optical fiber. The plasma torch includes a confinement tube for confining an induced plasma and a torch base. The torch base has a ceramic surface internal to the confinement tube. The plasma torch has extended life even at high input powers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.