US Patent Issued to II-VI DELAWARE on March 18 for "Laser device with non-absorbing mirror, and method" (Swiss Inventors)

ALEXANDRIA, Va., March 19 -- United States Patent no. 12,255,434, issued on March 18, was assigned to II-VI DELAWARE INC. (Wilmington, Del.).

"Laser device with non-absorbing mirror, and method" was invented by Rene Todt (Kriens, Switzerland), Markus Rosch (Basel, Switzerland), Evgeny Zibik (Zurich), Susanne Pawlik (Zurich) and Gustavo Villares (Zurich).

According to the abstract* released by the U.S. Patent & Trademark Office: "A laser device with one or more active regions, such as quantum wells, gain/lighting media, or other devices, and one or more non-absorbing regions, may be formed by a first growth run (growing a first semiconductor layer), then performing selective, shallow-depth etching, and then a second growth run (growing a s...