Applied Materials(US:AMAT) 半导体行业观察·2025-08-14 01:28Core Viewpoint - Beijing Yitang Semiconductor Technology Co., Ltd. has filed a lawsuit against Applied Materials, Inc. for allegedly illegally obtaining and using its core technology secrets related to plasma sources and wafer surface treatment, which has caused significant damage to its intellectual property and economic interests [3][7]. Group 1: Lawsuit Details - The lawsuit was filed in the Beijing Intellectual Property Court, with the case number (2025) Jing 73 Min Chu 908 [3]. - Yitang claims that Applied Materials has violated the Anti-Unfair Competition Law of the People's Republic of China by disclosing and claiming ownership of its technology secrets through a patent application [3][7]. - The company seeks several legal remedies, including stopping the defendant from further obtaining its technology secrets, destroying any related materials, and compensating for economic losses totaling 99,990,000 yuan [7][8]. Group 2: Technology and Business Background - Yitang's key technology involves the use of high-concentration, stable plasma for wafer surface treatment, which is essential for dry stripping, dry etching, and surface modification in semiconductor processing [6][8]. - The company has a strong original technology capability in this field and owns relevant trade secrets [6]. - Yitang's main business includes manufacturing dry stripping, rapid thermal processing, and dry etching equipment, which are critical processes in chip manufacturing [8].