Patents Assigned to Kawasaki Steel Corporation, Technical Research Division
  • Method for producing high-purity metallic silicon and apparatus therefor
    Patent number: 5104633
    Abstract: A method and apparatus for producing or manufacturing a high purity metallic silicon takes a process for generating silicon monoxide by causing reaction between a silicon dioxide containing material and molten state metallic silicon. The silicon monoxide thus generated is sucked for reduction by means of a reducing agent including a carbon containing material and a silicon containing material.
    Type: Grant
    Filed: December 18, 1989
    Date of Patent: April 14, 1992
    Assignees: Kawasaki Steel Corporation, Technical Research Division, Nippon Sheet Glass Co., Ltd.
    Inventors: Yasuhiko Sakaguchi, Fukuo Aratani, Kazuhiro Uchino, Mitsugi Yoshiyagawa, Kunio Miyata, Masato Ishizaki, Tetsuro Kawahara