Patents by Inventor Kazuichiro Itonaga

Kazuichiro Itonaga 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: 8878116
    Abstract: A method of manufacturing a solid-state imaging element includes: manufacturing an element chip in which photoelectric conversion units are arranged on a main surface side; preparing a base configured using a material with an expansion coefficient greater than the element chip and having an opening of which the periphery of the opening is shaped as a flat surface; expanding the base by heating, mounting the element chip on the flat surface of the base in a state where the opening of the base is covered; and three-dimensionally curving a portion corresponding to the opening in the element chip by cooling and contracting the base in a state where the element chip is fixed to the flat surface of the expanded base.
    Type: Grant
    Filed: February 17, 2012
    Date of Patent: November 4, 2014
    Assignee: Sony Corporation
    Inventor: Kazuichiro Itonaga
  • Patent number: 8803067
    Abstract: A solid state imaging device is described that includes a semiconductor substrate having a plurality of photodiodes thereon. The solid state imaging device further includes a first wiring portion, a second wiring portion and a third wiring portion. The device further includes a first wiring layer over the semiconductor substrate and which includes a plurality of metal films and extends across all the wiring portions. Additionally, a second wiring layer is disposed over the first wiring layer and which extends across the first wiring portion and the second wiring portion.
    Type: Grant
    Filed: April 22, 2013
    Date of Patent: August 12, 2014
    Assignee: Sony Corporation
    Inventors: Kyohei Mizuta, Kazuichiro Itonaga
  • Publication number: 20140184864
    Abstract: A solid-state imaging device includes a layout in which one sharing unit includes an array of photodiodes of 2 pixels by 4×n pixels (where, n is a positive integer), respectively, in horizontal and vertical directions.
    Type: Application
    Filed: December 16, 2013
    Publication date: July 3, 2014
    Applicant: Sony Corporation
    Inventors: Kazuichiro Itonaga, Shizunori Matsumoto
  • Patent number: 8717468
    Abstract: A solid-state imaging device is disclosed. The solid-state image device has pixels in which an absorption film that absorbs short wavelength-side light is formed on a photoelectric conversion portion for desired color light through an insulation film.
    Type: Grant
    Filed: May 12, 2009
    Date of Patent: May 6, 2014
    Assignee: Sony Corporation
    Inventor: Kazuichiro Itonaga
  • Patent number: 8638382
    Abstract: A solid-state imaging device with a layout in which one sharing unit includes an array of photodiodes of 2 pixels by 4×n pixels (where, n is a positive integer), respectively, in horizontal and vertical directions.
    Type: Grant
    Filed: September 11, 2012
    Date of Patent: January 28, 2014
    Assignee: Sony Corporation
    Inventors: Kazuichiro Itonaga, Shizunori Matsumoto
  • Patent number: 8593553
    Abstract: A solid-state imaging device including a photoelectric conversion portion; a floating diffusion region; a transfer gate electrode made of an n-type semiconductor; a sidewall made of an n-type semiconductor formed on the photoelectric conversion portion side of the transfer gate electrode with an insulating film therebetween; and a sidewall made of an insulating layer formed on the floating diffusion region side of the transfer gate electrode.
    Type: Grant
    Filed: February 29, 2012
    Date of Patent: November 26, 2013
    Assignee: Sony Corporation
    Inventor: Kazuichiro Itonaga
  • Publication number: 20130299887
    Abstract: A solid-state imaging device that includes a pixel including a photoelectric conversion section, and a conversion section that converts an electric charge generated by photoelectric conversion into a pixel signal. In the solid-state imaging device, substantially only a gate insulation film is formed on a substrate corresponding to an area under a gate electrode of at least one transistor in the pixel.
    Type: Application
    Filed: July 11, 2013
    Publication date: November 14, 2013
    Inventor: Kazuichiro ITONAGA
  • Publication number: 20130285186
    Abstract: A semiconductor device comprising a first semiconductor section including a first wiring layer at one side thereof, a second semiconductor section including a second wiring layer at one side thereof, the first and second semiconductor sections being secured together with the respective first and second wiring layer sides of the first and second semiconductor sections facing each other, a conductive material extending through the first semiconductor section to the second wiring layer of the second semiconductor section and by means of which the first and second wiring layers are in electrical communication.
    Type: Application
    Filed: June 25, 2013
    Publication date: October 31, 2013
    Inventors: Kazuichiro Itonaga, Machiko Horiike
  • Publication number: 20130285131
    Abstract: A solid-state imaging device includes, in a semiconductor substrate, a pixel portion provided with a photoelectric conversion portion, which photoelectrically converts incident light to obtain an electric signal and a peripheral circuit portion disposed on the periphery of the pixel portion, wherein a gate insulating film of aMOS transistor in the peripheral circuit portion is composed of a silicon oxynitride film, a gate insulating film of aMOS transistor in the pixel portion is composed of a silicon oxynitride film, and an oxide film is disposed just above the photoelectric conversion portion in the pixel portion.
    Type: Application
    Filed: June 25, 2013
    Publication date: October 31, 2013
    Inventors: Takuji Matsumoto, Keiji Tatani, Yasushi Tateshita, Kazuichiro Itonaga
  • Publication number: 20130241019
    Abstract: A solid state imaging device that includes a semiconductor substrate having a plurality of photodiodes thereon and a first wiring portion, a second wiring portion and a third wiring portion, a first wiring layer over the semiconductor substrate and which includes a plurality of metal films and extends across all the wiring portions, and a second wiring layer over the first wiring layer and which extends across the first wiring portion and the second wiring portion.
    Type: Application
    Filed: April 22, 2013
    Publication date: September 19, 2013
    Applicant: Sony Corporation
    Inventors: Kyohei Mizuta, Kazuichiro Itonaga
  • Patent number: 8525909
    Abstract: A solid-state imaging device includes, in a semiconductor substrate, a pixel portion provided with a photoelectric conversion portion, which photoelectrically converts incident light to obtain an electric signal and a peripheral circuit portion disposed on the periphery of the pixel portion, wherein a gate insulating film of a MOS transistor in the peripheral circuit portion is composed of a silicon oxynitride film, a gate insulating film of a MOS transistor in the pixel portion is composed of a silicon oxynitride film, and an oxide film is disposed just above the photoelectric conversion portion in the pixel portion.
    Type: Grant
    Filed: July 27, 2009
    Date of Patent: September 3, 2013
    Assignee: Sony Corporation
    Inventors: Takuji Matsumoto, Keiji Tatani, Yasushi Tateshita, Kazuichiro Itonaga
  • Patent number: 8514308
    Abstract: A semiconductor device comprising a first semiconductor section including a first wiring layer at one side thereof, a second semiconductor section including a second wiring layer at one side thereof, the first and second semiconductor sections being secured together with the respective first and second wiring layer sides of the first and second semiconductor sections facing each other, a conductive material extending through the first semiconductor section to the second wiring layer of the second semiconductor section and by means of which the first and second wiring layers are in electrical communication.
    Type: Grant
    Filed: December 8, 2010
    Date of Patent: August 20, 2013
    Assignee: Sony Corporation
    Inventors: Kazuichiro Itonaga, Machiko Horiike
  • Patent number: 8507960
    Abstract: A solid-state imaging device that includes a pixel including a photoelectric conversion section, and a conversion section that converts an electric charge generated by photoelectric conversion into a pixel signal. In the solid-state imaging device, substantially only a gate insulation film is formed on a substrate corresponding to an area under a gate electrode of at least one transistor in the pixel.
    Type: Grant
    Filed: November 27, 2006
    Date of Patent: August 13, 2013
    Assignee: Sony Corporation
    Inventor: Kazuichiro Itonaga
  • Patent number: 8477223
    Abstract: A solid-state imaging device includes: an on-chip color filter having color filter components formed to correspond to pixels; light-shielding members each formed at the boundary of adjacent color filter components; and lenses concave toward a light incident direction, each formed directly below a corresponding one of the color filter components by self-alignment with the light-shielding members as a mask.
    Type: Grant
    Filed: February 17, 2010
    Date of Patent: July 2, 2013
    Assignee: Sony Corporation
    Inventor: Kazuichiro Itonaga
  • Patent number: 8445827
    Abstract: A solid state imaging device is described that includes a semiconductor substrate having a plurality of photodiodes thereon. The solid state imaging device further includes a first wiring portion, a second wiring portion and a third wiring portion. The device further includes a first wiring layer over the semiconductor substrate and which includes a plurality of metal films and extends across all the wiring portions. Additionally, a second wiring layer is disposed over the first wiring layer and which extends across the first wiring portion and the second wiring portion.
    Type: Grant
    Filed: April 22, 2010
    Date of Patent: May 21, 2013
    Assignee: Sony Corporation
    Inventors: Kyohei Mizuta, Kazuichiro Itonaga
  • Patent number: 8431880
    Abstract: A solid-state imaging device includes a semiconductor substrate including a pixel portion having a photoelectric conversion portion and a peripheral circuit portion; a first sidewall composed of a sidewall film and disposed on each sidewall of gate electrodes of MOS transistors in the pixel portion; a second sidewall composed of the sidewall film and disposed on each sidewall of gate electrodes of MOS transistors in the peripheral circuit portion; a first silicide blocking film composed of the sidewall film and disposed on the photoelectric conversion portion and a part of the MOS transistors in the pixel portion; and a second silicide blocking film disposed on the MOS transistors in the pixel portion so as to overlap with a part of the first silicide blocking film, wherein the MOS transistors in the pixel portion are covered with the first and second silicide blocking films.
    Type: Grant
    Filed: January 12, 2012
    Date of Patent: April 30, 2013
    Assignee: Sony Corporation
    Inventors: Takuji Matsumoto, Tetsuji Yamaguchi, Keiji Tatani, Yutaka Nishimura, Kazuichiro Itonaga, Hiroyuki Mori, Norihiro Kubo, Fumihiko Koga, Shinichiro Izawa, Susumu Ooki
  • Patent number: 8350305
    Abstract: A solid-state imaging device is provided. The solid-state imaging device includes: pixels arrayed; a photoelectric conversion element in each of the pixels; a read transistor for reading electric charges photoelectrically-converted in the photoelectric conversion elements to a floating diffusion portion; a shallow trench element isolation region bordering the floating diffusion portion; and an impurity diffusion isolation region for element isolation regions other than the shallow trench element isolation region.
    Type: Grant
    Filed: January 4, 2008
    Date of Patent: January 8, 2013
    Assignee: Sony Corporation
    Inventors: Kazuichiro Itonaga, Yu Oya
  • Publication number: 20130002915
    Abstract: A solid-state imaging device with a layout in which one sharing unit includes an array of photodiodes of 2 pixels by 4×n pixels (where, n is a positive integer), respectively, in horizontal and vertical directions.
    Type: Application
    Filed: September 11, 2012
    Publication date: January 3, 2013
    Applicant: SONY CORPORATION
    Inventors: Kazuichiro Itonaga, Shizunori Matsumoto
  • Patent number: 8314870
    Abstract: A solid-state imaging device includes a layout in which one sharing unit includes an array of photodiodes of 2 pixels by 4×n pixels (where, n is a positive integer), respectively, in horizontal and vertical directions.
    Type: Grant
    Filed: January 8, 2010
    Date of Patent: November 20, 2012
    Assignee: Sony Corporation
    Inventors: Kazuichiro Itonaga, Shizunori Matsumoto
  • Publication number: 20120217606
    Abstract: A method of manufacturing a solid-state imaging element includes: manufacturing an element chip in which photoelectric conversion units are arranged on a main surface side; preparing a base configured using a material with an expansion coefficient greater than the element chip and having an opening of which the periphery of the opening is shaped as a flat surface; expanding the base by heating, mounting the element chip on the flat surface of the base in a state where the opening of the base is covered; and three-dimensionally curving a portion corresponding to the opening in the element chip by cooling and contracting the base in a state where the element chip is fixed to the flat surface of the expanded base.
    Type: Application
    Filed: February 17, 2012
    Publication date: August 30, 2012
    Applicant: SONY CORPORATION
    Inventor: Kazuichiro ITONAGA