Patents by Inventor Michael WEISSMAYER

Michael WEISSMAYER 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).

  • CONTROLLED POROSITY YTTRIUM OXIDE FOR ETCH APPLICATIONS
    Publication number: 20220204410
    Abstract: A sintered yttrium oxide body having a total impurity level of 40 ppm or less, a density of not less than 4.93 g/cm3, wherein the sintered yttrium oxide body has at least one surface comprising at least one pore, wherein no pore is larger than 5 ?m in diameter. A process for making the sintered yttrium oxide body is also disclosed.
    Type: Application
    Filed: April 4, 2020
    Publication date: June 30, 2022
    Inventors: Matthew Joseph DONELON, Saurav BISTA, Saurabh WAGHMARE, Chase DAVIS, Michael WEISSMAYER, Felix FRANZ