ALEXANDRIA, Va., June 12 -- United States Patent no. 12,300,968, issued on May 13, was assigned to HAMAMATSU PHOTONICS K.K. (Hamamatsu, Japan).
"External resonant laser module" was invented by Atsushi Sugiyama (Hamamatsu, Japan), Takahide Ochiai (Hamamatsu, Japan), Tadataka Edamura (Hamamatsu, Japan) and Naota Akikusa (Hamamatsu, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "The laser module includes a QCL element, a MEMS diffraction grating, a lens holder for holding a lens disposed between the QCL element and the MEMS diffraction grating, and a package. The package includes a bottom wall, a side wall erected on the bottom wall and formed in an annular shape so as to surround a region in which the QC...