Patents Represented by Attorney Joseph E. Cohen

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  • Uniform thermal migration utilizing noncentro-symmetric and secondary sample rotation
    Patent number: 4012236
    Abstract: The geometric configuration of a molten zone migrating through a solid body of semiconductor material during thermal gradient zone melting is maintained by simultaneous noncentro-symmetric and secondary rotation of the solid body.
    Type: Grant
    Filed: December 31, 1975
    Date of Patent: March 15, 1977
    Assignee: General Electric Company
    Inventors: Thomas R. Anthony, Harvey E. Cline