Patents by Inventor Gowtham V. Vangara

Gowtham V. Vangara 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).

  • Electroless nickel etch chemistry, method of etching and pretreatment
    Patent number: 11932948
    Abstract: Etchant solutions, pretreatment and methods for etching electroless nickel on metallic materials are provided herein. More specifically, etchant solutions for selectively removing electroless nickel from the surface of metallic materials containing copper, and optionally as containing stainless steel, methods of etching and pretreatment are provided.
    Type: Grant
    Filed: October 27, 2021
    Date of Patent: March 19, 2024
    Assignee: Hutchinson Technology Incorporated
    Inventors: Matthew J. Horner, Gowtham V. Vangara, Douglas P. Riemer
  • Electroless Nickel Etch Chemistry, Method Of Etching And Pretreatment
    Publication number: 20220127729
    Abstract: Etchant solutions, pretreatment and methods for etching electroless nickel on metallic materials are provided herein. More specifically, etchant solutions for selectively removing electroless nickel from the surface of metallic materials containing copper, and optionally as containing stainless steel, methods of etching and pretreatment are provided.
    Type: Application
    Filed: October 27, 2021
    Publication date: April 28, 2022
    Inventors: Matthew J. Horner, Gowtham V. Vangara, Douglas P. Riemer