Optics & Imaging
| Wed 25 Mar 2026
Beijing, March 26 -- Huangshan University has submitted a patent application for Adjustable Angle Positioning Clamp for Handicraft Laser Engraving. Cheng Xiujun, Zhou Yue, Shu Wei, Zhang Yufei, Ding Qin, Yu Zhu, Wu Weihui, Niu Enjie, Jiang Yaping, Xia Pengcheng, Wang Rongrong and Shang Yujie developed the invention.
The patent ..