ALEXANDRIA, Va., Sept. 17 -- United States Patent no. 12,418,159, issued on Sept. 16, was assigned to TRUMPF PHOTONIC COMPONENTS GMBH (Ulm, Germany).
"Method of fabricating a VCSEL device and VCSEL device" was invented by Roman Koerner (Lonsee, Germany), Jenny Tempeler (Ulm, Germany) and Michael Smeets (Neu-Ulm, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method of fabricating a Vertical Cavity Surface Emitting Laser(VCSEL) device includes providing a first structure comprising a VCSEL layer structure on a wafer. The first structure has a non-planar first structure top surface with varying height levels and includes one or more electrical contact areas. The method further includes applying one o...