US Patent Issued to Tsinghua University on March 11 for "Femtosecond laser system for processing micro-hole array" (Chinese Inventors)

ALEXANDRIA, Va., March 12 -- United States Patent no. 12,246,393, issued on March 11, was assigned to Tsinghua University (Beijing).

"Femtosecond laser system for processing micro-hole array" was invented by Lan Jiang (Beijing), Jianfeng Yan (Beijing) and Jiaqun Li (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a femtosecond laser system for processing a micro-hole array, comprising: a femtosecond laser, a half-wave plate, a polarizer, a concave lens, a convex lens, a diaphragm, a mechanical shutter, a phase-type spatial light modulator, a first plano-convex lens, a reflecting mirror, a second plano-convex lens, a dichroic mirror, a camera, a processing objective lens, a six-axis transla...