Patents by Inventor Seon-Man HWANG

Seon-Man HWANG 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).

  • Stacked image sensor having an air gap
    Patent number: 10147753
    Abstract: A stacked image sensor includes: a lower device including a lower inter-layer dielectric layer over an upper surface of a lower substrate, and a lower capping layer over the lower inter-layer dielectric layer; an upper device stacked over the lower device, including photodiodes in an upper substrate, an upper inter-layer dielectric layer below a lower surface of the upper substrate, and an upper capping layer below the upper inter-layer dielectric layer; and an air gap formed between the lower inter-layer dielectric layer and the upper inter-layer dielectric layer.
    Type: Grant
    Filed: March 21, 2017
    Date of Patent: December 4, 2018
    Assignee: SK Hynix Inc.
    Inventors: Yun-Hui Yang, Seon-Man Hwang
  • STACKED IMAGE SENSOR HAVING AN AIR GAP
    Publication number: 20180069037
    Abstract: A stacked image sensor includes: a lower device including a lower inter-layer dielectric layer over an upper surface of a lower substrate, and a lower capping layer over the lower inter-layer dielectric layer; an upper device stacked over the lower device, including photodiodes in an upper substrate, an upper inter-layer dielectric layer below a lower surface of the upper substrate, and an upper capping layer below the upper inter-layer dielectric layer; and an air gap formed between the lower inter-layer dielectric layer and the upper inter-layer dielectric layer.
    Type: Application
    Filed: March 21, 2017
    Publication date: March 8, 2018
    Inventors: Yun-Hui YANG, Seon-Man HWANG