US Patent Issued to Shin-Etsu Chemical on June 10 for "Wire-drawing optical fiber base material manufacturing method and manufacturing apparatus" (Japanese Inventor)

ALEXANDRIA, Va., June 18 -- United States Patent no. 12,325,657, issued on June 10, was assigned to Shin-Etsu Chemical Co. Ltd. (Tokyo).

"Wire-drawing optical fiber base material manufacturing method and manufacturing apparatus" was invented by Tetsuya Otosaka (Gunma, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A wire-drawing optical fiber base material manufacturing method of heating an optical fiber base material by a heater and forming a drawing shape portion at an end portion. The manufacturing method includes: forming, by a flow-regulating member disposed adjacent to the heater, a gas flow such that formation, along a surface of the optical fiber base material, of a flow of a gas containing a S...