ALEXANDRIA, Va., July 3 -- United States Patent no. 12,345,642, issued on July 1, was assigned to Advanced Instrument Pte. Ltd. (Singapore, China) and Combinati Inc. (Palo Alto, Calif.).

"Optical system, and method of illuminating a sample plane" was invented by Ronian Siew (Vancouver, Canada), Sheau Yeng Wei (Singapore) and Ju-Sung Hung (Palo Alto, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Various embodiments may provide a method of illuminating a sample plane. The method may include providing an illumination subsystem, the illumination subsystem including an optical source and at least one lens, having an optic axis at an incident angle greater than 0deg and less than 90deg to a normal of the s...