US Patent Issued to J-FIBER on March 18 for "Quartz fibre with hydrogen barrier layer and method for the production thereof" (German Inventor)

ALEXANDRIA, Va., March 19 -- United States Patent no. 12,252,431, issued on March 18, was assigned to J-FIBER GMBH (Jena, Germany).

"Quartz fibre with hydrogen barrier layer and method for the production thereof" was invented by Wolfgang Haemmerle (Jena, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of manufacturing a quartz glass fibre includes producing a quartz glass primary preform by modified chemical vapor deposition (MCVD) in a quartz glass substrate tube and inserting the quartz glass primary preform into a glass jacketing tube. Defect-generating UV radiation is irradiated into the cross-sectional area of the glass jacketing tube while combining the quartz glass primary preform with...