Patents by Inventor Theodore Frank Ciszek

Theodore Frank Ciszek has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Apparatus for pulling crystal ribbons from a truncated wedge shaped die
    Patent number: 4116641
    Abstract: Method and apparatus for forming an elongated silicon crystalline body using a specially designed capillary die. The method and apparatus uses a higher melt meniscus in the central region of the growth front than at the edges of the front. The edges of the top surface of the die are not concentric with the ribbon cross-section.
    Type: Grant
    Filed: April 16, 1976
    Date of Patent: September 26, 1978
    Assignee: International Business Machines Corporation
    Inventor: Theodore Frank Ciszek
  • Method and apparatus for forming an elongated silicon crystalline body using a <110>{211}orientated seed crystal
    Patent number: 4075055
    Abstract: Method and apparatus for forming an elongated silicon crystalline body using a capillary action shaping technique. The means for growing and pulling the body from the capillary of the die includes a <110>{211}oriented seed crystal.
    Type: Grant
    Filed: April 16, 1976
    Date of Patent: February 21, 1978
    Assignee: International Business Machines Corporation
    Inventors: Theodore Frank Ciszek, Guenter Herbert Schwuttke