Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Preform including a barrier layer preventing hydrogen from diffusing into optical fiber manufactured from said perform, and a method of preparing such a preform

Preform including a barrier layer preventing hydrogen from diffusing into optical fiber manufactured from said perform, and a method of preparing such a preform

US Patent 6201917 · Granted Mar 13, 2001

Estimated economic value: $10,650,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Overcladding an optical fiber preform using an air-argon plasma torch2010
Method of manufacturing large capacity preforms by MCVD2006
Method of manufacturing large capacity preforms by MCVD2006
Method of manufacturing a fluorine-doped silica powder2005
Step index optical fiber with doped cladding and core, a preform, and a method o2005
Making an optical fiber preform including reducing the length of a deposition la2004
Method for reducing the hydrogen sensitivity of optical fibers at 1380nm-1410 nm2004
Method of cooling an optical fiber while it is being drawn2003
Method of cooling an optical fiber while it is being drawn2003
Method of depositing a layer of silica followed by a step of adding dopant to th2003
Fluorinated diol and method for the production thereof2003
Method of detecting when an optical preform MCVD tube is completely closed2002