Patents by Inventor Carl W. Melton

Carl W. Melton 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).

  • Cubic boron nitride preparation
    Patent number: 4683043
    Abstract: A process for producing coatings comprising cubic boron nitride on a substrate is disclosed. The process involves magnetron sputter deposition of a heated BN source in an evacuated atmosphere having a limited partial pressure of nitrogen and a noble gas. During cathodic sputtering of the BN source, a metal dopant selected from Groups IA, IVA, VA, VIIA, IB, IIB, IIIB, IVB and VB of the periodic table, the metal dopant preferably being Al or Cu, is deposited at a concentration less than 1.5 atomic percent.
    Type: Grant
    Filed: January 21, 1986
    Date of Patent: July 28, 1987
    Assignee: Battelle Development Corporation
    Inventors: Carl W. Melton, Dale G. Thompson, Larry F. Vassamillet, Charles E. Wickersham