US Patent Issued to Shin-Etsu Chemical on April 7 for "Optical fiber glass preform and method for manufacturing optical fiber glass preform" (Japanese Inventor)

ALEXANDRIA, Va., April 7 -- United States Patent no. 12,595,203, issued on April 7, was assigned to Shin-Etsu Chemical Co. Ltd. (Tokyo).

"Optical fiber glass preform and method for manufacturing optical fiber glass preform" was invented by Ryo Mitta (Ibaraki, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is an optical fiber glass preform in which a starting rod and a dummy glass are hardly separated from each other, and a method for manufacturing the glass preform. In the optical fiber glass preform, the dummy glass is fitted into one end of the starting rod, and a part of the dummy glass and the starting rod are surrounded by a clad glass. In the manufacturing method, at the time of connecti...