Patents by Inventor Cian Cummins

Cian Cummins 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).

  • Publication number: 20220413380
    Abstract: A method is provided for producing different patterns on a single substrate. The method includes executing at least twice a sequence of the following steps: depositing a hardmask on the layer of interest and patterning the hardmask with a predefined pattern to create an accessible portion on the layer of interest; spinning a glass/carbon layer on the hardmask and on the accessible portion of the layer of interest; spin coating a block copolymer on the glass/carbon layer; transferring a predefined block copolymer pattern onto the layer of interest thereby obtaining a transferred pattern, removing the hard mask; filling the transferred pattern followed by chemical mechanical polishing or etching back, wherein different block copolymer patterns are used.
    Type: Application
    Filed: June 22, 2022
    Publication date: December 29, 2022
    Inventors: Sandeep Seema Saseendran, Deniz Sabuncuoglu Tezcan, Abhilash Paneri, Cian Cummins