INTERNATIONAL PATENT: SHANGHAI CHUANXIN SEMICONDUCTOR CO., LTD., 上海传芯半导体有限公司 FILES APPLICATION FOR "FINE-POLISHING METHOD, METHOD FOR PREPARING MASK SUBSTRATE AND METHOD FOR PREPARING SEMICONDUCTOR DEVICE"

GENEVA, July 28 -- SHANGHAI CHUANXIN SEMICONDUCTOR CO., LTD. (No.2685 Canghai Rd., Lingang Special AreaPudong New Area, Shanghai 201306), 上海传芯半导体有限公司 (中国上海市浦东新区临港新片区沧海路2685号) filed a patent application (PCT/CN2024/113513) for "FINE-POLISHING METHOD, METHOD FOR PREPARING MASK SUBSTRATE, AND METHOD FOR PREPARING SEMICONDUCTOR DEVICE" on Aug 21, 2024. With publication no. WO/2025/152424, the details related to the patent application was published on Jul 24, 2025.

Notably, the patent application was submitted under the International Patent Clas...