Patents by Inventor Michael B. Levens

Michael B. Levens 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).

  • Electronic conductor and a method of manufacturing it
    Patent number: 4549043
    Abstract: An electronic conductor and a method for manufacturing it are provided. The conductor is made of a base of substantially copper having a diffusion barrier on the base and a coating of tin-lead, or of tin, on the diffusion barrier. The diffusion barrier is either copper in combination with phosphorus, or copper in combination with boron. The method of manufacturing an electronic conductor applies the diffusion barrier to the base by means of an electro-deposition process and then applies the coating on the diffusion barrier.
    Type: Grant
    Filed: January 4, 1984
    Date of Patent: October 22, 1985
    Assignee: Shell Oil Company
    Inventors: Prematilaka W. Kalubowila, Stanislaw P. Wach, Michael B. Levens