Patents by Inventor Salvatore Spinella

Salvatore Spinella 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).

  • Method of fabricating a MOS read-only semiconductor memory array
    Patent number: 5733795
    Abstract: A method is described for a read-only MOS semiconductor memory. An addressable array of a multiplicity of cells each comprising a single MOS transistor is coded for preselected cells by providing them with source/drain regions which are spaced apart from edges of their respective overlying gate electrode regions. This is accomplished by a masking step late in the fabrication sequence. In this way, a dense MOS memory having rapid manufacturing turn-around is provided.
    Type: Grant
    Filed: April 22, 1996
    Date of Patent: March 31, 1998
    Assignee: Microchip Technology Incorporated
    Inventors: Salvatore Spinella, Gianpaolo Spadini
  • MOS read-only semiconductor memory with selected source/drain regions spaced away from edges of overlying gate electrode regions and method therefor
    Patent number: 5644154
    Abstract: Method and structure is disclosed for a read-only MOS semiconductor memory. An addressable array of a multiplicity of cells each comprising a single MOS transistor is coded for preselected cells by providing them with source/drain regions which are spaced apart from edges of their respective overlying gate electrode regions. This is accomplished by a masking step late in the fabrication sequence. In this way, a dense MOS memory having rapid manufacturing turn-around is provided.
    Type: Grant
    Filed: March 27, 1995
    Date of Patent: July 1, 1997
    Assignee: Microchip Technology Incorporated
    Inventors: Salvatore Spinella, Gianpaolo Spadini