ALEXANDRIA, Va., June 12 -- United States Patent no. 12,298,542, issued on May 13, was assigned to Industrial Technology Research Institute (Hsinchu, Taiwan).
"Optical probe" was invented by Chy-Lin Wang (Hsinchu County, Taiwan), Chi-Shen Chang (Hsinchu County, Taiwan) and Yuan-Chin Lee (Hsinchu, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An optical probe includes a cylindrical lens adapted to receive and transmit incident light. A light-emitting surface of the cylindrical lens is a curved end surface having a concentric ring-shaped diffractive microstructure. A working position of the optical probe is a position where a diffraction order is 1 when the incident light having a design wavelength bet...