Patents by Inventor Karla M. Barnal Ramos

Karla M. Barnal Ramos 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).

  • LINER FOR V-NAND WORD LINE STACK
    Publication number: 20200373318
    Abstract: Methods of forming memory structures are discussed. Specifically, methods of forming 3D NAND devices are discussed. Some embodiments form memory structures with a metal nitride barrier layer, an ?-tungsten layer, and a bulk metal material. The barrier layer comprises a TiXN or TaXN material, where X comprises a metal selected from one or more of aluminum (Al), silicon (Si), tungsten (W), lanthanum (La), yttrium (Yt), strontium (Sr), or magnesium (Mg).
    Type: Application
    Filed: May 18, 2020
    Publication date: November 26, 2020
    Applicant: Applied Materials, Inc.
    Inventors: Jacqueline S. Wrench, Yixiong Yang, Yong Wu, Wei V. Tang, Srinivas Gandikota, Yongjing Lin, Karla M. Barnal Ramos, Shih Chung Chen