平煤神马碳化硅粉体纯度突破8N

Group 1 - The core achievement of Zhongyi Chuangxin is the successful increase of silicon carbide semiconductor powder purity to 8N8 (99.9999998%), marking a significant breakthrough in high-end semiconductor materials in China [1] - Prior to this achievement, the highest global purity record for silicon carbide powder was 8N (99.999999%), held by an international industry giant [1] - Zhongyi Chuangxin was established in May 2023 and has focused on the research and production of silicon carbide semiconductor materials, previously achieving a purity level of 7N8 (99.999998%) [1] Group 2 - The company has introduced a new pollution-free crushing device and advanced powder synthesis furnace to enhance the purity of silicon carbide powder, increasing the yield rate from 55% to 85% [1] - The silicon carbide semiconductor powder products have advantages such as large particle size, high purity, high alpha content, and low free carbon, making them particularly suitable for the growth of 8-inch silicon carbide thick single crystal ingots [2] - The products have been verified and used by well-known domestic companies such as Zhejiang Maizi, Jiangsu ChaoXingXing, and Shandong Yuehai Jin [2]