Patents by Inventor Joel Pereira de Souza

Joel Pereira de Souza 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).

  • Patent number: 10546745
    Abstract: A method of processing semiconductor material includes applying an organosulfur solution to a top surface of a semiconductor material, the organosulfur solution having at least one organosulfur compound. The at least one organosulfur compound has at least one sulfur atom double bonded to a carbon atom and a pH of not less than 8. An organosulfur solution may be applied at temperatures above 25° C. to increase sulfur deposition rates and increase sulfur coverage on a surface of a semiconductor material.
    Type: Grant
    Filed: December 18, 2017
    Date of Patent: January 28, 2020
    Assignee: International Business Machines Corporation
    Inventors: Yun Seog Lee, Joel Pereira de Souza, Devendra K. Sadana, Marinus Hopstaken
  • Publication number: 20190189434
    Abstract: A method of processing semiconductor material includes applying an organosulfur solution to a top surface of a semiconductor material, the organosulfur solution having at least one organosulfur compound. The at least one organosulfur compound has at least one sulfur atom double bonded to a carbon atom and a pH of not less than 8. An organosulfur solution may be applied at temperatures above 25° C. to increase sulfur deposition rates and increase sulfur coverage on a surface of a semiconductor material.
    Type: Application
    Filed: December 18, 2017
    Publication date: June 20, 2019
    Inventors: Yun Seog Lee, Joel Pereira de Souza, Devendra K. Sadana, Marinus Hopstaken
  • Patent number: 10192161
    Abstract: Resistive processing unit including: a plurality of transistors each having a lithium-doped region, wherein the plurality of transistors are arranged in an array to provide resistance; at least one first transmission line electrically connected to a source region of each transistor in at least one column of the array; at least one second transmission line electrically connected to a drain region of each transistor in at least one row of the array; and at least one third transmission line electrically connected to a gate region of the plurality of transistors in at least one row of the array; wherein application of an electrical voltage to the at least one first transmission line, the at least one second transmission line or the at least one third transmission line mobilizes lithium ions in the lithium region, thereby affecting a channel resistance of at least one transistor in the plurality of transistors.
    Type: Grant
    Filed: December 13, 2017
    Date of Patent: January 29, 2019
    Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Babar Khan, Arvind Kumar, Yun Seog Lee, Ning Li, Devendra Sadana, Joel Pereira De Souza
  • Patent number: 7550369
    Abstract: The present invention provides a method for forming low-defect density changed-orientation Si by amorphization/templated recrystallization (ATR) processes in which regions of Si having a first crystal orientation are amorphized by ion implantation and then recrystallized into the orientation of a template layer having a different orientation. More generally, the invention relates to the high temperature annealing conditions needed to eliminate the defects remaining in Si-containing single crystal semiconductor materials formed by ion-implant-induced amorphization and templated recrystallization from a layer whose orientation may be the same or different from the amorphous layer's original orientation. The key component of the inventive method is a thermal treatment for minutes to hours in the temperature range 1250-1330° C. to remove the defects remaining after the initial recrystallization anneal.
    Type: Grant
    Filed: October 17, 2007
    Date of Patent: June 23, 2009
    Assignee: International Business Machines Corporation
    Inventors: Joel Pereira de Souza, Keith Edward Fogel, John Albrecht Ott, Devendra Kumar Sadana, Katherine Lynn Saenger
  • Patent number: 7285473
    Abstract: The present invention provides a method for forming low-defect density changed-orientation Si by amorphization/templated recrystallization (ATR) processes in which regions of Si having a first crystal orientation are amorphized by ion implantation and then recrystallized into the orientation of a template layer having a different orientation. More generally, the invention relates to the high temperature annealing conditions needed to eliminate the defects remaining in Si-containing single crystal semiconductor materials formed by ion-implant-induced amorphization and templated recrystallization from a layer whose orientation may be the same or different from the amorphous layer's original orientation. The key component of the inventive method is a thermal treatment for minutes to hours in the the temperature range 1250-1330° C. to remove the defects remaining after the initial recrystallization anneal.
    Type: Grant
    Filed: January 7, 2005
    Date of Patent: October 23, 2007
    Assignee: International Business Machines Corporation
    Inventors: Joel Pereira de Souza, Keith Edward Fogel, John Albrecht Ott, Devendra Kumar Sadana, Katherine Lynn Saenger