Patents by Inventor Dan Cancelleri

Dan Cancelleri 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 forming an aluminum interconnect structure on an integrated circuit chip
    Patent number: 4192729
    Abstract: An apparatus for forming an interconnect structure on an integrated circuit chip by employing a single chamber for both the required etching and anodization. It has been discovered that an etchant-electrolyte such as phosphoric acid solution in the ratios of one part phosphoric acid to four parts of water can serve as both an etchant and an electrolyte without causing deterioration of the photoresist pattern representing the interconnect structure.
    Type: Grant
    Filed: April 3, 1978
    Date of Patent: March 11, 1980
    Assignee: Burroughs Corporation
    Inventors: Dan Cancelleri, Charles E. Thompson