US Patent Issued to SUMITOMO ELECTRIC INDUSTRIES on Sept. 2 for "Manufacturing method of optical module" (Japanese Inventors)

ALEXANDRIA, Va., Sept. 3 -- United States Patent no. 12,405,432, issued on Sept. 2, was assigned to SUMITOMO ELECTRIC INDUSTRIES LTD. (Osaka, Japan).

"Manufacturing method of optical module" was invented by Yasutaka Mizuno (Osaka, Japan) and Munetaka Kurokawa (Osaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A manufacturing method of an optical module including a package and lid, the package having an opening to be sealed with the lid. The manufacturing method includes placing the lid on the package so that the lid covers the opening; putting a metal block on the lid, the metal block having a first surface touching a top surface of the lid; welding the lid to the package using a seam welding machi...