Patents Assigned to Bestal Corporation
  • Crystal growth apparatus and process
    Patent number: 5169486
    Abstract: A circular crucible for use in VGF and VB methods of crystal growth includes: a seed well, a first transition region, a first stable growth region, a second transition region, and a major growth region.
    Type: Grant
    Filed: March 6, 1991
    Date of Patent: December 8, 1992
    Assignee: Bestal Corporation
    Inventors: Morris S. S. Young, Shanxiang Zhang