Patents Assigned to Wacker-Chemitronik Gesellschaft fur Elektronik-Grundstoffe mbH
  • Method for the production of semiconductor rods of large diameter and device for making the same
    Patent number: 4109128
    Abstract: Method for the production of dislocation-free, monocrystalline semiconduc rods with large diameters by crucible-free zone melting, which comprises producing the melting zone in a uniform electromagnetic field substantially symmetrical to the rod axis. The invention also relates to an induction heating coil for carrying out the method.
    Type: Grant
    Filed: August 17, 1976
    Date of Patent: August 22, 1978
    Assignee: Wacker-Chemitronik Gesellschaft fur Elektronik-Grundstoffe mbH
    Inventor: Franz Kohl