Process for drying optical waveguide preforms
US4304583A · kind A · utility
7Cited by
10References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 2, 1980 |
| Grant date | Dec 8, 1981 |
| Priority date | — |
| Expiry date | Jun 2, 2000 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S65/90
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Optical waveguide preforms and other glass articles produced by gas-drying and consolidating porous glass soot preforms are provided utilizing a consolidation method wherein consolidation proceeds from the drying gas inlet to the drying gas outlet end of the preform, this method resulting in more uniform water attenuation characteristics in the articles.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.