Patents by Inventor Robert Bertin

Robert Bertin 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 preparing silicon carbide capillaries
    Patent number: 4861533
    Abstract: A capillary for use in ball bonding tools designed to bond metal leads to the bonding pads on a microchip and pads or leads on a chip support is formed by chemically vapor depositing a substantially smooth silicon carbide coating having high electrical resistivity onto a substrate which is then removed by etching or combustion.
    Type: Grant
    Filed: November 18, 1987
    Date of Patent: August 29, 1989
    Assignee: Air Products and Chemicals, Inc.
    Inventors: Robert Bertin, Michael B. Miller, Burl M. Moon, Robert C. Post
  • Silicon carbide capillaries
    Patent number: 4772498
    Abstract: A capillary for use in ball bonding tools designed to bond metal leads to the bonding pads on a microchip and pads or leads on a chip support is formed by chemically vapor depositing a substantially smooth silicon carbide coating having high electrical resistivity onto a substrate which is then removed by etching or combustion.
    Type: Grant
    Filed: November 20, 1986
    Date of Patent: September 20, 1988
    Assignee: Air Products and Chemicals, Inc.
    Inventors: Robert Bertin, Michael B. Miller, Burl M. Moon, Robert C. Post