Patents by Inventor Johannes Maria Marinus Pasmans

Johannes Maria Marinus Pasmans 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).

  • Multilayer reflector for gas discharge laser
    Patent number: 4099840
    Abstract: A multilayer reflector of which the last layer most remote from the substrate and having a high refractive index is vapor-deposited from a mixture containing a metal or oxide of an element from group 4b of the periodic table and a metal oxide from the group of beryllium oxide, magnesium oxide and calcium oxide, is particularly resistant to hydrogen and ultraviolet light and is hence suitable for application in a laser which is to have a long life.
    Type: Grant
    Filed: September 24, 1976
    Date of Patent: July 11, 1978
    Assignee: U.S. Philips Corporation
    Inventors: Johannes van der Wal, Wilhelmus Adrianus Jacobus Gielens, Johannes Maria Marinus Pasmans