Semiconductor
| Sat 25 Apr 2026
Beijing, April 25 -- Huahong Semiconductor, Wuxi and Huahong Semiconductor Mfg Wuxi Co Ltd have submitted a patent application for Etching Method. Li Huaifu, Zhao Yanyan, Yao Zhi, Song Zekai, Wei Zhiqiang, Wang Jian, Ding Jia and Wang Yuxin developed the invention.
The patent application number is CN202511205644 20250826. The..