Sou Hu Cai Jing·2025-08-16 01:49Group 1 - The core point of the article is that Semiconductor Manufacturing International Corporation (SMIC) has obtained a patent for an "optical proximity correction method," with the patent announcement number CN116413991B and an application date of December 2021 [1] Group 2 - SMIC (Shanghai) was established in 2000, located in Shanghai, with a registered capital of 244 million USD. The company has made investments in 4 enterprises, participated in 127 bidding projects, and holds 150 trademark records and 5000 patent records, along with 452 administrative licenses [1] - SMIC (Beijing) was established in 2002, located in Beijing, with a registered capital of 100 million USD. The company has invested in 1 enterprise, participated in 52 bidding projects, holds 5000 patent records, and has 226 administrative licenses [1]