Patents by Inventor Johannes Alphonsus Franciscus Schade Van Westrum

Johannes Alphonsus Franciscus Schade Van Westrum 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 and device for coating a substrate
    Patent number: 7323229
    Abstract: The invention relates to a method for coating a substrate with a layer of a material, such as a metal, in which a quantity of electrically conductive material is vaporized in a space with a low background pressure and energy is supplied to the material which is to be vaporized in order to vaporize this material. According to the invention, the material which is to be vaporized, while it is being vaporized, is kept floating, without support, in the space and is enclosed in an alternating electromagnetic field, the alternating electromagnetic field being generated with the aid of a high-frequency alternating current. The invention also relates to a device for coating a substrate and to a substrate.
    Type: Grant
    Filed: August 23, 2004
    Date of Patent: January 29, 2008
    Assignee: Corus Technology BV
    Inventors: Johannes Alphonsus Franciscus Schade Van Westrum, Gerardus Gleijm