US Patent Issued to SHINKO ELECTRIC INDUSTRIES on Aug. 12 for "Substrate with optical waveguide and optical communication device" (Japanese Inventor)

ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,386,128, issued on Aug. 12, was assigned to SHINKO ELECTRIC INDUSTRIES Co. LTD. (Nagano, Japan).

"Substrate with optical waveguide and optical communication device" was invented by Kazunao Yamamoto (Nagano, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A substrate with optical waveguide includes an interconnect substrate and an optical waveguide formed on the interconnect substrate, wherein the optical waveguide includes a first cladding layer, a first protrusion formed on the first cladding layer, the first protrusion having an upper surface and an inclined surface connected to, and sloping relative to, the upper surface, a first metal film form...