US Patent Issued to HAMAMATSU PHOTONICS on Nov. 18 for "Semiconductor laser element, semiconductor laser device, and method for manufacturing semiconductor laser element" (Japanese Inventors)

ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,476,435, issued on Nov. 18, was assigned to HAMAMATSU PHOTONICS K.K. (Shizuoka, Japan).

"Semiconductor laser element, semiconductor laser device, and method for manufacturing semiconductor laser element" was invented by Atsushi Sugiyama (Hamamatsu, Japan) and Kousuke Shibata (Hamamatsu, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A semiconductor laser element includes: a semiconductor substrate; a semiconductor laminate; a first electrode in which a ridge portion of the semiconductor laminate is embedded; and a second electrode. A first region of a side surface of the first electrode is separated from a first end surface in such a manner to ext...