US Patent Issued to NICHIA on Feb. 25 for "Metallic structure for optical semiconductor device, method for producing the same, and optical semiconductor device using the same" (Japanese Inventors)

ALEXANDRIA, Va., Feb. 26 -- United States Patent no. 12,237,450, issued on Feb. 25, was assigned to NICHIA Corp. (Anan, Japan).

"Metallic structure for optical semiconductor device, method for producing the same, and optical semiconductor device using the same" was invented by Yasuo Kato (Anan, Japan) and Kazuya Matsuda (Anan, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A metallic structure for an optical semiconductor device including a conductive base body having disposed thereon metallic layers in the following order: a nickel or nickel alloy plated layer, a gold or gold alloy plated layer, and an indium or indium alloy plated layer, wherein the indium or indium alloy plated layer has a thickness...