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).

  • Patent number: 11532656
    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: Grant
    Filed: March 30, 2020
    Date of Patent: December 20, 2022
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Hiroshi Sekine, Yusuke Onuki, Kazunari Kawabata
  • Patent number: 11488995
    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: Grant
    Filed: March 30, 2020
    Date of Patent: November 1, 2022
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Hiroshi Sekine, Yusuke Onuki, Kazunari Kawabata
  • Publication number: 20220320158
    Abstract: A photoelectric conversion apparatus according to an embodiment includes a first chip and a second chip. The first chip includes a first semiconductor element layer having a pixel region having pixel circuits and a peripheral region and a first wiring structure including a first wiring layer. The second chip includes a second semiconductor element layer having an electric circuit and a second wiring structure. The first and second chips are stacked, and have a trench extending through the first semiconductor element layer and having a pad through which a reference potential is supplied to the pixel circuits. The first wiring layer includes a first wiring pattern to which the reference potential is supplied. In plan view, the first wiring pattern located in a region aligned with the pixel region has a higher wiring density than the first wiring pattern located in a region aligned with the peripheral region.
    Type: Application
    Filed: March 29, 2022
    Publication date: October 6, 2022
    Inventor: Yusuke Onuki
  • Publication number: 20220320157
    Abstract: Provided is a photoelectric conversion device including a pixel array including a first pixel and a second pixel. The first pixel includes a photoelectric conversion unit including a first semiconductor region of a first conductivity type as a charge accumulation layer and photoelectrically converts incident light to generate a signal in accordance with the incident light, and the second pixel includes a second semiconductor region of the first conductivity type and a transistor including a first main electrode formed by a third semiconductor region connected to the second semiconductor region and a gate.
    Type: Application
    Filed: March 25, 2022
    Publication date: October 6, 2022
    Inventor: Yusuke Onuki
  • Publication number: 20220320164
    Abstract: An apparatus includes a plurality of pixels arranged in a substrate including a first surface provided with a transistor and a second surface opposed to the first surface, and a light shielding portion. The plurality of pixels includes first pixels shielded from light, and second pixels. Each of the plurality of pixels includes a first area of a first conductive type. Each of the first pixels includes a second area. Each of the second pixels includes a third area between the second surface and the first area, and includes a fourth area of a second conductive type between the first area and the first surface. In a cross-section along a first line, an impurity concentration of the first conductive type in the second area is higher than an impurity concentration of the first conductive type in the third area.
    Type: Application
    Filed: March 30, 2022
    Publication date: October 6, 2022
    Inventor: Yusuke Onuki
  • Publication number: 20220320159
    Abstract: An apparatus includes pixels each including a conversion unit. The conversion unit includes a first semiconductor region of a first conductivity type, a second semiconductor region of a second conductivity type, and a third semiconductor region of the first conductivity type in order from a light incident surface side, and includes an in-pixel separation portion of the second conductivity type. The second semiconductor region includes a first end and a second end opposing the first end. The conversion unit further includes a fourth semiconductor region between the first and second ends. The in-pixel separation portion separates the first semiconductor region into a first region overlapping the first end and a second region overlapping the second end in a top view from the light incident surface side. A concentration of a second conductivity type impurity is lower in the fourth semiconductor region than in the in-pixel separation portion.
    Type: Application
    Filed: March 30, 2022
    Publication date: October 6, 2022
    Inventors: Yusuke Onuki, Hajime Ikeda, Takafumi Miki, Shunichi Wakashima, Shuhei Hayashi, Takumi Watanabe
  • Publication number: 20220247963
    Abstract: A photoelectric conversion device includes a photoelectric converter, a first node configured to be supplied with charges from the photoelectric converter, an amplification transistor configured to output a signal corresponding to a voltage of the first node, a first transistor configured to open/close a path between the first node and a second node not included in a path from the photoelectric converter to the first node, and a second transistor configured to open/close a path between the second node and a third node. A second capacitance which is added to the second node when the second transistor is set in a conductive state is larger than a first capacitance which is added to the first node when the first transistor is set in a conductive state.
    Type: Application
    Filed: January 31, 2022
    Publication date: August 4, 2022
    Inventor: Yusuke Onuki
  • Patent number: 11393855
    Abstract: A photoelectric conversion apparatus includes a first semiconductor region of a first conductivity type at a first depth from a first surface, a second semiconductor region of a second conductivity type disposed at a second depth deeper than the first depth from the first surface so as to be in contact with the first semiconductor region, and a third semiconductor region of the second conductivity type extending from the first surface to a third depth shallower than the second depth and being in contact with the first semiconductor region and the second semiconductor region. The third semiconductor region has a higher impurity concentration than the second semiconductor region. A second electric potential lower than the first electric potential for a carrier of the first conductivity type is applied to the third semiconductor region. The second semiconductor region has an impurity concentration of 1×1012 [atom/cm3] or less.
    Type: Grant
    Filed: November 22, 2019
    Date of Patent: July 19, 2022
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Hajime Ikeda, Yusuke Onuki
  • Publication number: 20220139985
    Abstract: A photoelectric conversion apparatus includes a first substrate having a first semiconductor device layer including a plurality of photoelectric conversion units and a well, and a second substrate having a second semiconductor device layer including a circuit configured to process signals obtained by the plurality of photoelectric conversion units, wherein the first and second substrates are laminated together, wherein the first semiconductor device layer includes an effective pixel region, an optical black pixel region, and an outer periphery region, wherein, in a planar view, a light-blocking region formed by a light-blocking layer overlaps the optical black pixel region, and the light-blocking region does not overlap the outer periphery region, wherein the outer periphery region has a charge draining region including a semiconductor region of the same conductivity type as a signal charge, and wherein a fixed potential is supplied to the charge draining region.
    Type: Application
    Filed: October 26, 2021
    Publication date: May 5, 2022
    Inventors: Yusuke Onuki, Junji Iwata, Yasushi Matsuno, Hajime Ikeda
  • Publication number: 20220115430
    Abstract: A photoelectric conversion apparatus includes a semiconductor substrate, a floating diffusion, an amplifying transistor, first and second contact plugs, a wire, and a metal portion. The semiconductor substrate has a first plane and a second plane to be entered by light, and includes a photoelectric conversion element. The amplifying transistor includes a first gate electrode. The first contact plug is connected to the floating diffusion. The second contact plug is connected to the first gate electrode. The wire is configured to electrically connect the first gate electrode and the floating diffusion to each other. The metal portion, which is arranged between the first plane and a third plane, covers at least a part of the photoelectric conversion element in a planar view, and has an opening over which at least a part of the wire is superimposed in a planar view.
    Type: Application
    Filed: December 20, 2021
    Publication date: April 14, 2022
    Inventors: Yusuke Onuki, Fumihiro Inui
  • Patent number: 11271022
    Abstract: A back-side illuminated imaging device includes a substrate including a photoelectric conversion region, a contact plug connecting a wiring layer and the substrate, and a capacitive element including a first metal electrode and a second metal electrode disposed between the first metal electrode and the substrate. A distance between the second metal electrode and the substrate is shorter than a length of the contact plug. The second metal electrode overlaps at least a part of the photoelectric conversion region in a planar view with respect to a main surface of the substrate.
    Type: Grant
    Filed: August 26, 2019
    Date of Patent: March 8, 2022
    Assignee: Canon Kabushiki Kaisha
    Inventor: Yusuke Onuki
  • Patent number: 11239272
    Abstract: A photoelectric conversion apparatus includes a semiconductor substrate, a floating diffusion, an amplifying transistor, first and second contact plugs, a wire, and a metal portion. The semiconductor substrate has a first plane and a second plane to be entered by light, and includes a photoelectric conversion element. The amplifying transistor includes a first gate electrode. The first contact plug is connected to the floating diffusion. The second contact plug is connected to the first gate electrode. The wire is configured to electrically connect the first gate electrode and the floating diffusion to each other. The metal portion, which is arranged between the first plane and a third plane, covers at least a part of the photoelectric conversion element in a planar view, and has an opening over which at least a part of the wire is superimposed in a planar view.
    Type: Grant
    Filed: October 23, 2019
    Date of Patent: February 1, 2022
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Yusuke Onuki, Fumihiro Inui
  • Publication number: 20220020808
    Abstract: A semiconductor apparatus including: a first substrate; a first wiring structure; a second substrate; and a second wiring structure, wherein the first wiring structure has a first wiring layer bonded to wiring of the second wiring structure, a second wiring layer connected to the first wiring layer by a first via, and a third wiring layer connected to the second wiring layer by a second via, at least part of the second via is located at a range distanced, by at least a width of the first via, from an axis of the first via, a thickness of the second wiring layer is less than the width of the first via, a major constituent of the first wiring layer, the second wiring layer and the first via is copper, and a layer that is made from a material different from copper is disposed between the first and second wiring layers.
    Type: Application
    Filed: July 14, 2021
    Publication date: January 20, 2022
    Inventors: Koji Hara, Yusuke Onuki, Tsuyoshi Miyagawa, Shinichi Saeki, Shinsuke Kojima
  • Patent number: 11177314
    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: July 6, 2020
    Date of Patent: November 16, 2021
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Yu Nishimura, Sho Suzuki, Yasushi Matsuno, Yusuke Onuki, Masahiro Kobayashi, Takashi Okagawa, Yoshiyuki Nakagawa
  • 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