Patents by Inventor A. Eugene Blakeslee

A. Eugene Blakeslee 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).

  • Device for conversion of electromagnetic radiation into electrical current
    Patent number: 4278474
    Abstract: Electromagnetic energy may be converted directly into electrical energy by a device comprising a sandwich of at least two semiconductor portions, each portion having a p-n junction with a characteristic energy gap, and the portions lattice matched to one another by an intervening superlattice structure. This superlattice acts to block propagation into the next deposited portion of those dislocation defects which can form due to lattice mismatch between adjacent portions.
    Type: Grant
    Filed: March 25, 1980
    Date of Patent: July 14, 1981
    Assignee: The United States of America as represented by the United States Department of Energy
    Inventors: A. Eugene Blakeslee, Kim W. Mitchell
  • Method of making semiconductor superlattices free of misfit dislocations
    Patent number: 4088515
    Abstract: A method of growing superlattice crystals containing alternating layers of two semiconductor materials in which misfit and threading dislocations are eliminated by growing the layers of superlattice crystal to some thickness less than that which will generate new dislocations, and matching the average lattice parameter of the superlattice with that of substrate so misfit dislocations between the superlattice and the substrate are not formed.
    Type: Grant
    Filed: April 4, 1975
    Date of Patent: May 9, 1978
    Assignee: International Business Machines Corporation
    Inventors: A. Eugene Blakeslee, John W. Matthews
  • Photoelectrical converter
    Patent number: 4062698
    Abstract: Photoelectrical conversion cells may be assembled on an electrically conducting heat sink and each may be electrically isolated therefrom by employing insulating substrate material between the photoresponsive region of each cell and the heat sink.
    Type: Grant
    Filed: November 3, 1976
    Date of Patent: December 13, 1977
    Assignee: International Business Machines Corporation
    Inventors: A. Eugene Blakeslee, Harold John Hovel