Patents by Inventor Kengo Kotoo

Kengo Kotoo 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: 20230268368
    Abstract: Electrical connection between mutually facing electrodes is provided. A solid-state imaging device includes: a first semiconductor base; a second semiconductor base bonded to the first semiconductor base; and a conductive polymer, the first semiconductor base including a first semiconductor layer in which a photoelectric conversion unit is provided, a first multilayer wiring layer stacked on the first semiconductor layer, and a first metal pad formed on a surface of the first multilayer wiring layer on a side opposite to the first semiconductor layer, the second semiconductor base including a second semiconductor layer in which an active element is provided, a second multilayer wiring layer stacked on the second semiconductor layer, and a second metal pad on a surface of the second multilayer wiring layer on a side opposite to the second semiconductor layer, the conductive polymer electrically connecting the first metal pad and to the second metal pad.
    Type: Application
    Filed: August 16, 2021
    Publication date: August 24, 2023
    Applicant: SONY SEMICONDUCTOR SOLUTIONS CORPORATION
    Inventor: Kengo KOTOO
  • Publication number: 20210320141
    Abstract: To improve the joining strength between semiconductor chips. In a semiconductor device, a first semiconductor chip includes a first joining surface including a first insulating layer, a plurality of first pads to which a first inner layer circuit insulated by the first insulating layer is electrically connected, and a linear first metal layer arranged on an outside of the plurality of first pads. A second semiconductor chip includes a second joining surface joined to the first joining surface, the second joining surface including a second insulating layer, a plurality of second pads that are arranged in positions facing the first pads and to which a second inner layer circuit insulated by the second insulating layer is electrically connected, and a linear second metal layer arranged in a position facing the first metal layer.
    Type: Application
    Filed: June 24, 2021
    Publication date: October 14, 2021
    Applicant: SONY GROUP CORPORATION
    Inventors: Kengo KOTOO, Kaoru KOIKE
  • Patent number: 11069735
    Abstract: To improve the joining strength between semiconductor chips. In a semiconductor device, a first semiconductor chip includes a first joining surface including a first insulating layer, a plurality of first pads to which a first inner layer circuit insulated by the first insulating layer is electrically connected, and a linear first metal layer arranged on an outside of the plurality of first pads. A second semiconductor chip includes a second joining surface joined to the first joining surface, the second joining surface including a second insulating layer, a plurality of second pads that are arranged in positions facing the first pads and to which a second inner layer circuit insulated by the second insulating layer is electrically connected, and a linear second metal layer arranged in a position facing the first metal layer.
    Type: Grant
    Filed: June 30, 2020
    Date of Patent: July 20, 2021
    Assignee: SONY CORPORATION
    Inventors: Kengo Kotoo, Kaoru Koike
  • Publication number: 20200335543
    Abstract: To improve the joining strength between semiconductor chips. In a semiconductor device, a first semiconductor chip includes a first joining surface including a first insulating layer, a plurality of first pads to which a first inner layer circuit insulated by the first insulating layer is electrically connected, and a linear first metal layer arranged on an outside of the plurality of first pads. A second semiconductor chip includes a second joining surface joined to the first joining surface, the second joining surface including a second insulating layer, a plurality of second pads that are arranged in positions facing the first pads and to which a second inner layer circuit insulated by the second insulating layer is electrically connected, and a linear second metal layer arranged in a position facing the first metal layer.
    Type: Application
    Filed: June 30, 2020
    Publication date: October 22, 2020
    Applicant: Sony Corporation
    Inventors: Kengo KOTOO, Kaoru KOIKE
  • Patent number: 10720462
    Abstract: To improve the joining strength between semiconductor chips. In a semiconductor device, a first semiconductor chip includes a first joining surface including a first insulating layer, a plurality of first pads to which a first inner layer circuit insulated by the first insulating layer is electrically connected, and a linear first metal layer arranged on an outside of the plurality of first pads. A second semiconductor chip includes a second joining surface joined to the first joining surface, the second joining surface including a second insulating layer, a plurality of second pads that are arranged in positions facing the first pads and to which a second inner layer circuit insulated by the second insulating layer is electrically connected, and a linear second metal layer arranged in a position facing the first metal layer.
    Type: Grant
    Filed: June 12, 2019
    Date of Patent: July 21, 2020
    Assignee: Sony Corporation
    Inventors: Kengo Kotoo, Kaoru Koike
  • Publication number: 20190296073
    Abstract: To improve the joining strength between semiconductor chips. In a semiconductor device, a first semiconductor chip includes a first joining surface including a first insulating layer, a plurality of first pads to which a first inner layer circuit insulated by the first insulating layer is electrically connected, and a linear first metal layer arranged on an outside of the plurality of first pads. A second semiconductor chip includes a second joining surface joined to the first joining surface, the second joining surface including a second insulating layer, a plurality of second pads that are arranged in positions facing the first pads and to which a second inner layer circuit insulated by the second insulating layer is electrically connected, and a linear second metal layer arranged in a position facing the first metal layer.
    Type: Application
    Filed: June 12, 2019
    Publication date: September 26, 2019
    Applicant: Sony Corporation
    Inventors: Kengo KOTOO, Kaoru KOIKE
  • Patent number: 10355039
    Abstract: To improve the joining strength between semiconductor chips. In a semiconductor device, a first semiconductor chip includes a first joining surface including a first insulating layer, a plurality of first pads to which a first inner layer circuit insulated by the first insulating layer is electrically connected, and a linear first metal layer arranged on an outside of the plurality of first pads. A second semiconductor chip includes a second joining surface joined to the first joining surface, the second joining surface including a second insulating layer, a plurality of second pads that are arranged in positions facing the first pads and to which a second inner layer circuit insulated by the second insulating layer is electrically connected, and a linear second metal layer arranged in a position facing the first metal layer.
    Type: Grant
    Filed: April 26, 2016
    Date of Patent: July 16, 2019
    Assignee: Sony Corporation
    Inventors: Kengo Kotoo, Kaoru Koike
  • Publication number: 20180138223
    Abstract: To improve the joining strength between semiconductor chips. In a semiconductor device, a first semiconductor chip includes a first joining surface including a first insulating layer, a plurality of first pads to which a first inner layer circuit insulated by the first insulating layer is electrically connected, and a linear first metal layer arranged on an outside of the plurality of first pads. A second semiconductor chip includes a second joining surface joined to the first joining surface, the second joining surface including a second insulating layer, a plurality of second pads that are arranged in positions facing the first pads and to which a second inner layer circuit insulated by the second insulating layer is electrically connected, and a linear second metal layer arranged in a position facing the first metal layer.
    Type: Application
    Filed: April 26, 2016
    Publication date: May 17, 2018
    Inventors: Kengo KOTOO, Kaoru KOIKE
  • Patent number: 9419040
    Abstract: There is provided a solid state image pickup apparatus including a first semiconductor substrate and a second semiconductor substrate which are bonded to each other, and a buried portion formed in a peripheral portion of the apparatus with a depth of a bonded surface of the first semiconductor substrate and the second semiconductor substrate in such a manner that the bonded surface of the first semiconductor substrate and the second semiconductor substrate is not exposed.
    Type: Grant
    Filed: January 23, 2015
    Date of Patent: August 16, 2016
    Assignee: SONY CORPORATION
    Inventors: Kenta Nojima, Kengo Kotoo, Hirotaka Yoshioka, Kenta Ikeda
  • Publication number: 20150214263
    Abstract: There is provided a solid state image pickup apparatus including a first semiconductor substrate and a second semiconductor substrate which are bonded to each other, and a buried portion formed in a peripheral portion of the apparatus with a depth of a bonded surface of the first semiconductor substrate and the second semiconductor substrate in such a manner that the bonded surface of the first semiconductor substrate and the second semiconductor substrate is not exposed.
    Type: Application
    Filed: January 23, 2015
    Publication date: July 30, 2015
    Inventors: Kenta Nojima, Kengo Kotoo, Hirotaka Yoshioka, Kenta Ikeda