Patents by Inventor Yusuke Onuki

Yusuke Onuki 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: 20210313369
    Abstract: A technique advantageous for improving an optical property of a photoelectric conversion apparatus is provided. The photoelectric conversion apparatus includes a photoelectric conversion layer and a light-shielding film that covers the photoelectric conversion layer, wherein the light-shielding film includes one metallic layer and another metallic layer located between the one metallic layer and the photoelectric conversion layer.
    Type: Application
    Filed: April 5, 2021
    Publication date: October 7, 2021
    Inventors: Tsutomu Tange, Toshiyuki Ogawa, Hideaki Ishino, Yusuke Onuki
  • Patent number: 11139334
    Abstract: A solid-state image pickup device is provided which can inhibit degradation of image quality which may occur when a global electronic shutter operation is performed. A gate drive line for a first transistor of gate drive lines for pixel transistors is positioned in proximity to a converting unit.
    Type: Grant
    Filed: June 29, 2020
    Date of Patent: October 5, 2021
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Masahiro Kobayashi, Yusuke Onuki, Tom Koizumi
  • Publication number: 20210305303
    Abstract: A photoelectric conversion apparatus includes a first chip having a first semiconductor element layer including a pixel region of a plurality of pixel circuits, and a second chip having a second semiconductor element layer. The first and second chips are bonded by a plurality of metal bonding portions between the first and second semiconductor element layers. The plurality of metal bonding portions includes first and second metal bonding portions disposed in a region overlapping with the pixel region in a plan view. The first metal bonding portion connects at least either one of the plurality of pixel circuits and the second semiconductor element layer. The second metal bonding portion is connected to at least either one of the plurality of pixel circuits and is not connected to the second semiconductor element layer in the region overlapping with the pixel region.
    Type: Application
    Filed: March 24, 2021
    Publication date: September 30, 2021
    Inventor: Yusuke Onuki
  • Publication number: 20210218915
    Abstract: A solid-state imaging device including a plurality of pixels including a photoelectric conversion portion, a charge holding portion accumulating a signal charge transferred from the photoelectric conversion portion, and a floating diffusion region to which the signal charge of the charge holding portion is transferred, wherein the photoelectric conversion portion includes a first semiconductor region of a first conductivity type, and a second semiconductor region of a second conductivity type formed under the first semiconductor region, the charge holding portion includes a third semiconductor region of the first conductivity type, and a fourth semiconductor region of the second conductivity type formed under the third semiconductor region, and a p-n junction between the third semiconductor region and the fourth semiconductor region is positioned deeper than a p-n junction between the first semiconductor region and the second semiconductor region.
    Type: Application
    Filed: March 29, 2021
    Publication date: July 15, 2021
    Inventors: Masahiro Kobayashi, Takeshi Ichikawa, Hirofumi Totsuka, Yusuke Onuki
  • Patent number: 11056520
    Abstract: An imaging device includes pixels each including a photoelectric converter that generates charges by photoelectric conversion, a first transfer transistor that transfers charges of the photoelectric converter to a first holding portion, a second transfer transistor that transfers charges of the first holding portion to a second holding portion, and an amplifier unit that outputs a signal based on charges held by the second holding portion. The first transfer transistor is configured to form a potential well for the charges between the photoelectric converter and the first holding portion when the first transistor is in an on-state. The maximum charge amount QPD generated by the photoelectric converter during one exposure period, a saturation charge amount QMEM_SAT of the first holding portion, and the maximum charge amount QGS that can be held in the potential well are in a relationship of: QPD<QGS?QMEM_SAT.
    Type: Grant
    Filed: December 9, 2019
    Date of Patent: July 6, 2021
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Yusuke Onuki, Mahito Shinohara, Hajime Ikeda, Takafumi Miki, Hiroshi Sekine
  • Patent number: 11019291
    Abstract: A solid-state imaging device including a plurality of pixels including a photoelectric conversion portion, a charge holding portion accumulating a signal charge transferred from the photoelectric conversion portion, and a floating diffusion region to which the signal charge of the charge holding portion is transferred, wherein the photoelectric conversion portion includes a first semiconductor region of a first conductivity type, and a second semiconductor region of a second conductivity type formed under the first semiconductor region, the charge holding portion includes a third semiconductor region of the first conductivity type, and a fourth semiconductor region of the second conductivity type formed under the third semiconductor region, and a p-n junction between the third semiconductor region and the fourth semiconductor region is positioned deeper than a p-n junction between the first semiconductor region and the second semiconductor region.
    Type: Grant
    Filed: September 23, 2019
    Date of Patent: May 25, 2021
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Masahiro Kobayashi, Takeshi Ichikawa, Hirofumi Totsuka, Yusuke Onuki
  • Patent number: 10991741
    Abstract: A silicon compound film that is any one of a silicon oxide film, a silicon nitride film, and a silicon carbide film, and a metal compound film lying between the silicon compound film and a semiconductor layer are arranged above a main face. The silicon compound film and the metal compound film extend into a first trench, and the metal compound film extends into a second trench. When a distance from the bottom of the second trench to the silicon compound film is expressed as “Hb”, and a distance from the main face to the silicon compound film is expressed as “Hd”, the respective distances satisfy the condition “Hd<Hb”.
    Type: Grant
    Filed: August 30, 2019
    Date of Patent: April 27, 2021
    Assignee: Canon Kabushiki Kaisha
    Inventors: Yoshiei Tanaka, Katsunori Hirota, Yusuke Onuki, Tsutomu Tange, Takumi Ogino
  • Patent number: 10937822
    Abstract: A manufacturing method includes a first process for forming a first gate electrode for a first MOS transistor and a second gate electrode for a second MOS transistor on a substrate including a semiconductor region defined by an insulator region for element isolation, a second process for masking a portion located above the semiconductor region of the first gate electrode to introduce an impurity to a source-drain region of the first MOS transistor, and a third process for forming a first conductor member being in contact with the portion of the first gate electrode through a first hole disposed on an insulator member covering the substrate and a second conductor member being in contact with the second gate electrode through a second hole disposed on the insulator member.
    Type: Grant
    Filed: February 26, 2019
    Date of Patent: March 2, 2021
    Assignee: Canon Kabushiki Kaisha
    Inventors: Mineo Shimotsusa, Masatsugu Itahashi, Yusuke Onuki, Nobuaki Kakinuma, Masato Fujita
  • Publication number: 20210020673
    Abstract: An inventive solid-state imaging apparatus is provided which can improve the efficiency of the electric carrier transfer from a photoelectric conversion portion to an electric-carrier accumulation portion. The solid-state imaging apparatus includes an active region having the photoelectric conversion portion, the electric-carrier accumulation portion, and a floating diffusion, and an element isolation region having an insulator defining the active region. In planer view, the width of the active region in the electric-carrier accumulation portion under a gate of the first transfer transistor is larger than the width of the active region in the photoelectric conversion portion under the gate of the first transfer transistor.
    Type: Application
    Filed: October 1, 2020
    Publication date: January 21, 2021
    Inventors: Yusuke Onuki, Masahiro Kobayashi, Takafumi Miki
  • Patent number: 10896922
    Abstract: An imaging apparatus includes a photoelectric conversion unit of a first conductivity type, a charge holding unit of the first conductivity type, the charge holding unit being configured to hold electric charges transferred from the photoelectric conversion unit, a floating diffusion unit of the first conductivity type, the floating diffusion unit being configured to receive electric charges transferred from the charge holding unit, a punch-through prevention layer of a second conductivity type, the punch-through prevention layer being disposed between the charge holding unit and the floating diffusion unit to contact the floating diffusion unit, and a transfer assistance layer of the first conductivity type, the transfer assistance layer being disposed between the punch-through prevention layer and a surface of a semiconductor substrate.
    Type: Grant
    Filed: June 1, 2018
    Date of Patent: January 19, 2021
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Masahiro Kobayashi, Hiroshi Sekine, Yusuke Onuki, Toru Koizumi
  • Patent number: 10848695
    Abstract: A solid state imaging device as an embodiment has a first transfer unit that includes a first gate and transfers charges from a photoelectric conversion portion to a holding portion; a second transfer unit that includes a second gate and transfers charges from the holding portion to a floating diffusion portion; and a third transfer unit that includes a third gate and drains charges from the photoelectric conversion portion to the charge draining portion. The impurity concentration of a second conductivity type in at least a part of a region under the first gate of the first transfer unit is lower than the impurity concentration of the second conductivity type in a region under the second gate of the second transfer unit and the impurity concentration of the second conductivity type in a region under the third gate of the third transfer unit.
    Type: Grant
    Filed: January 16, 2018
    Date of Patent: November 24, 2020
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Takafumi Miki, Masahiro Kobayashi, Yusuke Onuki, Hiroshi Sekine
  • Patent number: 10833111
    Abstract: An inventive solid-state imaging apparatus is provided which can improve the efficiency of the electric carrier transfer from a photoelectric conversion portion to an electric-carrier accumulation portion. The solid-state imaging apparatus includes an active region having the photoelectric conversion portion, the electric-carrier accumulation portion, and a floating diffusion, and an element isolation region having an insulator defining the active region. In planer view, the width of the active region in the electric-carrier accumulation portion under a gate of the first transfer transistor is larger than the width of the active region in the photoelectric conversion portion under the gate of the first transfer transistor.
    Type: Grant
    Filed: January 25, 2019
    Date of Patent: November 10, 2020
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Yusuke Onuki, Masahiro Kobayashi, Takafumi Miki
  • Publication number: 20200335547
    Abstract: A photoelectric conversion apparatus includes a plurality of units each including a charge generation region disposed in a semiconductor layer. Each of a first unit and a second unit of the plurality of units includes a charge storage region configured to store charges transferred thereto from the charge generation region, a dielectric region located above the charge generation region and surrounded by an insulator layer, and a first light-shielding layer covering the charge storage region that is located between the insulator layer and the semiconductor layer, and the first light-shielding layer having an opening located above the charge generation region. The charge generation region of the first unit is able to receive light through the opening of the first light-shielding layer. The charge generation region of the second unit is covered with a second light-shielding layer.
    Type: Application
    Filed: July 6, 2020
    Publication date: October 22, 2020
    Inventors: Yu Nishimura, Sho Suzuki, Yasushi Matsuno, Yusuke Onuki, Masahiro Kobayashi, Takashi Okagawa, Yoshiyuki Nakagawa
  • Publication number: 20200328245
    Abstract: A solid-state image pickup device is provided which can inhibit degradation of image quality which may occur when a global electronic shutter operation is performed. A gate drive line for a first transistor of gate drive lines for pixel transistors is positioned in proximity to a converting unit.
    Type: Application
    Filed: June 29, 2020
    Publication date: October 15, 2020
    Inventors: Masahiro Kobayashi, Yusuke Onuki, Toru Koizumi
  • Patent number: 10805563
    Abstract: According to an aspect of the present invention, provided is a solid state imaging device including a plurality of pixels, and each of the pixels has a charge accumulation region of a first conductivity type that accumulates signal charges corresponding to an incident light, a drain region of the first conductivity type to which a predetermined voltage is applied, a drain gate located between the drain region and the charge accumulation region in a planar view, and a semiconductor region of the first conductivity type connected to the charge accumulation region and the drain region.
    Type: Grant
    Filed: July 19, 2018
    Date of Patent: October 13, 2020
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Hajime Ikeda, Masahiro Kobayashi, Hiroshi Sekine, Yusuke Onuki
  • Patent number: 10771718
    Abstract: An imaging device includes pixels including a photoelectric conversion unit, a holding unit holding charge transferred from the photoelectric conversion unit, and an amplifier unit outputting signal based on the charge. The pixels output a first signal based on charge generated in a first exposure period and a second signal based on charge generated in a second exposure period of different length. In the first exposure period, the photoelectric conversion unit accumulates the generated charge, and charge held by the holding unit is transferred to the amplifier unit. The second exposure period includes a period of accumulating the generated charge only in the photoelectric conversion unit and a period of holding the generated charge in the photoelectric conversion unit and the holding unit. In the period of accumulating the generated charge only in the photoelectric conversion unit, the charge held by the holding unit is transferred to the amplifier unit.
    Type: Grant
    Filed: December 27, 2018
    Date of Patent: September 8, 2020
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Kazunari Kawabata, Takeshi Ichikawa, Masahiro Kobayashi, Yusuke Onuki, Hiroshi Sekine
  • Patent number: 10763298
    Abstract: A photoelectric conversion apparatus includes a plurality of units each including a charge generation region disposed in a semiconductor layer. Each of a first unit and a second unit of the plurality of units includes a charge storage region configured to store charges transferred thereto from the charge generation region, a dielectric region located above the charge generation region and surrounded by an insulator layer, and a first light-shielding layer covering the charge storage region that is located between the insulator layer and the semiconductor layer, and the first light-shielding layer having an opening located above the charge generation region. The charge generation region of the first unit is able to receive light through the opening of the first light-shielding layer. The charge generation region of the second unit is covered with a second light-shielding layer.
    Type: Grant
    Filed: October 24, 2017
    Date of Patent: September 1, 2020
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Yu Nishimura, Sho Suzuki, Yasushi Matsuno, Yusuke Onuki, Masahiro Kobayashi, Takashi Okagawa, Yoshiyuki Nakagawa
  • Patent number: 10764520
    Abstract: A disclosed embodiment includes: semiconductor substrate including a pixel region in which a plurality of pixels are arranged, each of the pixels including a photoelectric conversion unit configured to accumulate charges generated from an incident light, a charge holding portion configured to hold the charges transferred from the photoelectric conversion unit, and an amplification unit including an input node configured to receive the charges transferred from the charge holding portion; a light-shielding portion arranged so as to cover at least the charge holding portion and extending over at least two or more of the plurality of pixels; a contact plug connected to the light-shielding portion; and a wiring connected to the contact plug to supply a fixed potential to the light-shielding portion via the contact plug.
    Type: Grant
    Filed: January 16, 2018
    Date of Patent: September 1, 2020
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Yusuke Onuki, Yasushi Matsuno, Takafumi Miki
  • Patent number: 10748954
    Abstract: A solid-state image pickup device is provided which can inhibit degradation of image quality which may occur when a global electronic shutter operation is performed. A gate drive line for a first transistor of gate drive lines for pixel transistors is positioned in proximity to a converting unit.
    Type: Grant
    Filed: February 21, 2020
    Date of Patent: August 18, 2020
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Masahiro Kobayashi, Yusuke Onuki, Toru Koizumi
  • Publication number: 20200227457
    Abstract: In an imaging device, a photoelectric converter of a first pixel and a photoelectric converter of a second pixel are arranged along a first direction. At least part of a charge accumulation portion of the first pixel is disposed between the photoelectric converter of the first pixel and the photoelectric converter of the second pixel. An exit surface of a light guiding path of the first pixel is longer in a second direction orthogonal to the first direction in plan view than in the first direction.
    Type: Application
    Filed: March 30, 2020
    Publication date: July 16, 2020
    Inventors: Hiroshi Sekine, Yusuke Onuki, Kazunari Kawabata