Patents by Inventor Katri POHJONEN

Katri POHJONEN 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 apparatus for providing a transistor
    Patent number: 10665724
    Abstract: A method and apparatus wherein the method comprises: providing at least one electrode within a semiconductor layer wherein the semiconductor layer is provided on a first side of a wafer; thinning the wafer to produce a thinned wafer; providing graphene on a second side of the thinned wafer; attaching the semiconductor layer to an electrical interface on the first side of the thinned wafer; and providing at least one electrical connection from the graphene to the electrical interface so as to form a transistor comprising the at least one electrode and the graphene.
    Type: Grant
    Filed: March 3, 2016
    Date of Patent: May 26, 2020
    Assignee: LytEn, Inc.
    Inventors: Katri Pohjonen, Sami Kallioinen, Markku Rouvala
  • A METHOD AND APPARATUS FOR PROVIDING A TRANSISTOR
    Publication number: 20180090622
    Abstract: A method and apparatus wherein the method comprises: providing at least one electrode within a semiconductor layer wherein the semiconductor layer is provided on a first side of a wafer; thinning the wafer to produce a thinned wafer; providing graphene on a second side of the thinned wafer; attaching the semiconductor layer to an electrical interface on the first side of the thinned wafer; and providing at least one electrical connection from the graphene to the electrical interface so as to form a transistor comprising the at least one electrode and the graphene.
    Type: Application
    Filed: March 3, 2016
    Publication date: March 29, 2018
    Inventors: Katri POHJONEN, Sami KALLIOINEN, Markku ROUVALA