Patents by Inventor Andreas Karl Frischmann

Andreas Karl Frischmann 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 for the production of a metal-ceramic substrate or copper-ceramic substrate, and support to be used in said method
    Patent number: 8377240
    Abstract: A method is disclosed for producing metal-ceramic substrates that are metallized on both sides by using the direct bonding process. According to the method, at least one DCB stack made from first and a second metal layer and a ceramic layer located between said metal layers is formed on a separating layer of a support by heating to a direct bonding temperature. At least one of the metal layers rests against the separating layer during the bonding process, said separating layer being composed of a porous layer or coating made of a separating layer material from the group comprising mullite, Al2O3, TiO3, ZrO2, MgO, CaO CaCO2 or a mixture of at least two of said materials.
    Type: Grant
    Filed: October 5, 2005
    Date of Patent: February 19, 2013
    Assignee: Curamik Electronics GmbH
    Inventors: Jurgen Schulz-Harder, Andreas Karl Frischmann, Alexander Rogg, Karl Exel