Patents by Inventor Valeria Platter

Valeria Platter 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 for forming planar metal/insulator structures
    Patent number: 4396458
    Abstract: Formation of planar conductor/insulator semiconductor devices utilizing hafnium coated aluminum based metallization with a magnesium oxide mask for dry etching of the metallization and deposition of planar insulation.The hafnium coating is used to protect the aluminum metallization during mask removal, and as a registration enhancer for subsequent electron-beam processing.
    Type: Grant
    Filed: December 21, 1981
    Date of Patent: August 2, 1983
    Assignee: International Business Machines Corporation
    Inventors: Valeria Platter, Laura B. Rothman, Paul M. Schaible, Geraldine C. Schwartz