Group 1 - The core point of the article is that Huahong Semiconductor (Wuxi) Co., Ltd. has obtained a patent for a method to improve the electrostatic distribution on the back of silicon wafers used in photolithography machines, with the patent granted under announcement number CN114007320B and the application date being November 2021 [1] Group 2 - Huahong Semiconductor (Wuxi) Co., Ltd. was established in 2017 and is located in Wuxi City, primarily engaged in the manufacturing of computers, communications, and other electronic devices [1] - The company has a registered capital of approximately 253.69 million USD [1] - According to data analysis from Tianyancha, Huahong Semiconductor has made investments in one company, participated in 2,944 bidding projects, and holds 1,986 patent records, in addition to having 117 administrative licenses [1]
华虹半导体取得改善光刻机硅片背面静电分布方法专利