Patents by Inventor Shinji Uya

Shinji Uya 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: 7781715
    Abstract: A backside illuminated imaging device performs imaging by illuminating light from a back side of a p substrate to generate electric charges in the substrate based on the light and reading out the electric charges from a front side of the substrate. The device includes n layers located in the substrate and on an identical plane near a front side surface of the substrate and accumulating the electric charges; n+ layers between the respective n layers and the front side of the substrate, the n+ layers having an exposed surface exposed on the front side surface of the substrate and functioning as overflow drains for discharging unnecessary electric charges accumulated in the n layers; p+ layers between the respective n+ layers and the n layers and functioning as overflow barriers of the overflow drains; and an electrode connected to the exposed surface of each of the n+ layers.
    Type: Grant
    Filed: September 17, 2007
    Date of Patent: August 24, 2010
    Assignee: Fujifilm Corporation
    Inventors: Shinji Uya, Masanori Nagase, Yosuke Nakahashi, Toru Hachiya
  • Patent number: 7776643
    Abstract: A solid state image pickup device is provided which includes: charge accumulation regions disposed in a semiconductor substrate in a matrix shape; a plurality of vertical transfer channels formed in the semiconductor substrate each in a close proximity to each column of the charge accumulation regions; vertical transfer electrodes formed above the vertical transfer channels; a channel protective impurity layer formed just under the vertical transfer channel and surrounding the charge accumulation region; one or more pixel separation impurity layers formed under the channel protective impurity layer and at a position facing the channel protective impurity layer; an overflow barrier region having a peak position of an impurity concentration at a position deeper than the pixel separation impurity layer, the peak position of the impurity concentration being at a depth of 3 ?m or deeper from a surface of the semiconductor substrate; and a horizontal CCD for transferring signal charges transferred from the vertical
    Type: Grant
    Filed: June 9, 2008
    Date of Patent: August 17, 2010
    Assignee: Fujifilm Corporation
    Inventors: Yuko Nomura, Shinji Uya
  • Patent number: 7759157
    Abstract: In a solid-state image pick-up device in which a photoelectric converting section formed on a semiconductor substrate and a gate oxide film of a transfer path of a charge coupled device (CCD) which is close to the photoelectric converting section are constituted by a laminated film comprising a silicon oxide film (SiO) and a silicon nitride film (SiN), the gas oxide film has a single layer structure in which at least an end on the photoelectric converting section side of the gate oxide film does not contain the silicon nitride film.
    Type: Grant
    Filed: February 19, 2008
    Date of Patent: July 20, 2010
    Assignee: FujiFilm Corporation
    Inventors: Eiichi Okamoto, Shunsuke Tanaka, Shinji Uya
  • Patent number: 7759707
    Abstract: A semiconductor substrate includes: a first semiconductor layer; an oxide layer that is formed on the first semiconductor layer; a second semiconductor layer that is formed on the oxide layer; a first recess that is formed in the second semiconductor layer with extending from an upper face of the second semiconductor layer toward the first semiconductor layer, the first recess being formed at a position where an alignment mark for determining a forming position of an element which is to be built in the semiconductor substrate is to be formed; and an etching prevention layer that is inwardly formed from a position of an upper face of the first semiconductor layer, the position corresponding to the recess, the layer comprising a material that is prevented from being etched during etching of the first semiconductor layer.
    Type: Grant
    Filed: April 17, 2008
    Date of Patent: July 20, 2010
    Assignee: Fujifilm Corporation
    Inventor: Shinji Uya
  • Patent number: 7736937
    Abstract: A manufacturing method of a solid-state imaging device, the device comprising: a semiconductor substrate; photodiodes each comprising a surface-side first conductivity type region formed adjacent to a surface of the semiconductor substrate and a second conductivity type region provided directly under the surface-side first conductivity type region; a second conductivity type vertical transfer region provided in the vicinity of the surface-side first conductivity type region; at least one first conductivity type inter-pixel isolation region provided under the vertical transfer region; and at least one first conductivity type overflow barrier region provided below the first conductivity type inter-pixel isolation region, the method comprising: a first step of forming the first conductivity type overflow barrier region in a semiconductor substrate; and a second step of ion-implanting first conductivity type impurity ions from a direction in which channeling tends to occur, to form at least one of the first condu
    Type: Grant
    Filed: August 16, 2006
    Date of Patent: June 15, 2010
    Assignee: FUJIFILM Corporation
    Inventors: Yuko Nomura, Shinji Uya
  • Publication number: 20100128156
    Abstract: A solid-state imaging device includes a plurality of unit pixels. Each unit pixel has a photodiode, a reading transistor, a floating diffusion, a capacitance adding transistor, and a reset transistor. The reading transistor reads signal electric charges from the photodiode. The floating diffusion accumulates the signal electric charges read from the reading transistor. The capacitance adding transistor selectively adds capacitance to the floating diffusion. The reset transistor resets an electric potential of the floating diffusion.
    Type: Application
    Filed: November 19, 2009
    Publication date: May 27, 2010
    Inventors: Nagataka TANAKA, Shinji Uya
  • Patent number: 7723663
    Abstract: An image pick-up element comprises: an optical element substrate part in which the image pick-up element generates a signal charge by photo-electrically converting an incident light applied from one surface side of the optical element substrate part to read the signal charge from the other surface side of the optical element substrate part and picks up an image; and a CMOS circuit substrate part connected to the other surface side of the optical element substrate part so as to transfer the signal charge generated in the photoelectric conversion layer, wherein the optical element substrate part comprises a photoelectric conversion layer to generate the signal charge by photo-electrically converting the incident light.
    Type: Grant
    Filed: April 16, 2008
    Date of Patent: May 25, 2010
    Assignee: Fujifilm Corporation
    Inventor: Shinji Uya
  • Patent number: 7704775
    Abstract: The invention provides CCD type solid-state imaging apparatus comprises: photoelectric conversion elements; a plurality of first transfer paths extending in a first direction; and second transfer paths extending in a first direction; the first transfer paths and the second transfer paths respectively including a plurality of discretely formed first layer transfer electrode films and second layer transfer electrode films formed between the first layer transfer electrode films and whose ends are laminated on the ends of the adjacent first layer transfer electrode films via insulating films. The thickness of the insulating film between the first layer transfer electrode film and the second layer transfer electrode film constituting the second transfer path shown is smaller than the thickness of the insulating film between the first layer transfer electrode film and the second layer transfer electrode film constituting the first transfer path shown.
    Type: Grant
    Filed: June 19, 2006
    Date of Patent: April 27, 2010
    Assignee: Fujifilm Corporation
    Inventor: Shinji Uya
  • Patent number: 7612811
    Abstract: A solid state imaging device comprises a color decomposer that decomposes incident light into at least a color of a first wavelength and a color of a second wavelength that is shorter than the first wavelength, a light shielding film that is formed under the color decomposer and comprises first openings through which light decomposed to the color of the first wavelength is transmitted and second openings through which light decomposed to the color of the second wavelength is transmitted, the second openings being formed to be larger than the first openings, and a plurality of photo electric conversion elements that are arranged in lines and columns, each of the photo electric conversion elements generating signal electric charges corresponding to an amount of the incident light by receiving the incident light decomposed by the color decomposer and passed through the openings of the light shielding film.
    Type: Grant
    Filed: September 9, 2004
    Date of Patent: November 3, 2009
    Assignee: Fujifilm Holdings Corp.
    Inventors: Yutaka Takeuchi, Katsuhiro Shibata, Shinji Uya, Makoto Shizukuishi
  • Publication number: 20090039396
    Abstract: A semiconductor substrate includes: a first semiconductor layer; an oxide layer that is formed on the first semiconductor layer; a second semiconductor layer that is formed on the oxide layer; a first recess that is formed in the second semiconductor layer with extending from an upper face of the second semiconductor layer toward the first semiconductor layer, the first recess being formed at a position where an alignment mark for determining a forming position of an element which is to be built in the semiconductor substrate is to be formed; and an etching prevention layer that is inwardly formed from a position of an upper face of the first semiconductor layer, the position corresponding to the recess, the layer comprising a material that is prevented from being etched during etching of the first semiconductor layer.
    Type: Application
    Filed: April 17, 2008
    Publication date: February 12, 2009
    Inventor: Shinji UYA
  • Patent number: 7488615
    Abstract: A method of manufacturing a solid-state imaging device, wherein the solid-state imaging device comprising: a semiconductor substrate; a plurality of photodiodes that are formed on a surface of the semiconductor substrate so as to be arranged in an array form; and a light shielding film, provided on or above the surface of the semiconductor substrate, that has a plurality of openings in correspondence with respective ones of the photodiodes, the method comprising: laminating, on the surface of the semiconductor substrate, lamination layers including the light shielding film; opening through holes in the lamination layers, respectively, at positions corresponding to the photodiodes to form the openings in the light shielding film; forming a low refractive index material layer with a predetermined thickness isotropically on a side wall surface of each of the through holes; and filling a remaining hole portion of each of the through holes with a high refractive index material to form an optical waveguide for guid
    Type: Grant
    Filed: January 23, 2007
    Date of Patent: February 10, 2009
    Assignee: Fujifilm Corporation
    Inventor: Shinji Uya
  • Publication number: 20080308890
    Abstract: Light is illuminated from a back-surface side of a silicon substrate 4. A back-illuminated type imaging device 100 reads out, from a front-surface side of the silicon substrate 4, charges that are generated in the silicon substrate 4 in response to the illuminated light, so as to perform imaging. The back-illuminated type imaging device 100 includes pad portions 17 formed on the back surface of the semiconductor substrate 4, and a plurality of pillars 9 that are formed in the semiconductor substrate 4, are made of a conductive material and electrically connect wiring portions 12 formed on the front surface of the semiconductor substrate 4 and the pad portions 17 to each other.
    Type: Application
    Filed: June 12, 2008
    Publication date: December 18, 2008
    Inventor: Shinji UYA
  • Publication number: 20080303112
    Abstract: An imaging device is provided and includes: a photoelectric conversion layer that has a silicon crystal structure and generates signal charges upon incidence of light; a multiplication and accumulation layer that multiplies the signal charges by a phenomenon of avalanche electron multiplication; and a wiring substrate that reads the signal charges from the multiplication and accumulation layer and transmits the read signal charges.
    Type: Application
    Filed: May 2, 2008
    Publication date: December 11, 2008
    Inventor: Shinji UYA
  • Publication number: 20080297634
    Abstract: An image pickup device including a semiconductor substrate that is irradiated with light from a first surface side thereof, and reading signal charges generated in the semiconductor substrate in accordance with the light from a second surface side thereof, wherein the semiconductor substrate includes: a photoelectric converting layer that includes a plurality of impurity diffusion layers on the second surface side of the semiconductor substrate, and that produces the signal charges by photoelectric conversion; and an embedded member that includes a light blocking material, and that is embedded in an impurity diffusion layer on a surface side of the photoelectric converting layer, the surface side facing the second surface side of the semiconductor substrate.
    Type: Application
    Filed: May 23, 2008
    Publication date: December 4, 2008
    Inventor: Shinji UYA
  • Publication number: 20080296720
    Abstract: A backside-illuminated imaging device, which performs imaging by illuminating light from a back side of a semiconductor substrate to generate electric charges in the semiconductor substrate based on the light and reading out the electric charges from a front side of the semiconductor substrate, is provided and includes: a back-side layer including an back-side element on the back side of the semiconductor substrate; a front-side layer including an front-side element on the front side of the semiconductor substrate; a support substrate above the front-side layer; a spacer, one end of which comes in contact with the front-side layer and the other end of which comes in contact with the support substrate, to form a space having a uniform distance between the semiconductor substrate and the support substrate; and an adhesive filled in at least a part of the space between the surface-side element formation layer and the support substrate.
    Type: Application
    Filed: May 23, 2008
    Publication date: December 4, 2008
    Inventor: Shinji UYA
  • Publication number: 20080283726
    Abstract: A backside illuminated imaging device performs imaging by illuminating light from a back side of a p substrate to generate electric charges in the substrate based on the light and reading out the electric charges from a front side of the substrate. The device includes n layers located in the substrate and on an identical plane near a front side surface of the substrate and accumulating the electric charges; n+ layers between the respective n layers and the front side of the substrate, the n+ layers having an exposed surface exposed on the front side surface of the substrate and functioning as overflow drains for discharging unnecessary electric charges accumulated in the n layers; p+ layers between the respective n+ layers and the n layers and functioning as overflow barriers of the overflow drains; and an electrode connected to the exposed surface of each of the n+ layers.
    Type: Application
    Filed: September 17, 2007
    Publication date: November 20, 2008
    Inventors: Shinji UYA, Masanori Nagase, Yosuke Nakahashi, Toru Hachiya
  • Publication number: 20080265138
    Abstract: An image pick-up element comprises: an optical element substrate part in which the image pick-up element generates a signal charge by photo-electrically converting an incident light applied from one surface side of the optical element substrate part to read the signal charge from the other surface side of the optical element substrate part and picks up an image; and a CMOS circuit substrate part connected to the other surface side of the optical element substrate part so as to transfer the signal charge generated in the photoelectric conversion layer, wherein the optical element substrate part comprises a photoelectric conversion layer to generate the signal charge by photo-electrically converting the incident light.
    Type: Application
    Filed: April 16, 2008
    Publication date: October 30, 2008
    Inventor: Shinji UYA
  • Publication number: 20080265296
    Abstract: An imaging element comprises: an optical element substrate part in which the imaging element generates a signal charge by photo-electrically converting an incident light applied from one surface side of the optical element substrate part to read the signal charge from the other surface side of the optical element substrate part and picks up an image; and a CMOS circuit substrate part connected to the other surface side of the optical element substrate part so as to transfer the signal charge generated in the photoelectric conversion layer, wherein the optical element substrate part comprises: a photoelectric conversion layer to generate the signal charge by photo-electrically converting the incident light; a charge storage part that stores the signal charge; and a reading transistor that reads the signal charge stored in the charge storage part.
    Type: Application
    Filed: April 16, 2008
    Publication date: October 30, 2008
    Inventor: Shinji UYA
  • Publication number: 20080248607
    Abstract: A solid state image pickup device is provided which includes: charge accumulation regions disposed in a semiconductor substrate in a matrix shape; a plurality of vertical transfer channels formed in the semiconductor substrate each in a close proximity to each column of the charge accumulation regions; vertical transfer electrodes formed above the vertical transfer channels; a channel protective impurity layer formed just under the vertical transfer channel and surrounding the charge accumulation region; one or more pixel separation impurity layers formed under the channel protective impurity layer and at a position facing the channel protective impurity layer; an overflow barrier region having a peak position of an impurity concentration at a position deeper than the pixel separation impurity layer, the peak position of the impurity concentration being at a depth of 3 ?m or deeper from a surface of the semiconductor substrate; and a horizontal CCD for transferring signal charges transferred from the vertical
    Type: Application
    Filed: June 9, 2008
    Publication date: October 9, 2008
    Inventors: Yuko NOMURA, Shinji UYA
  • Publication number: 20080224181
    Abstract: A back irradiating type solid state imaging device comprises: a first semiconductor substrate; a plurality of photoelectric converting devices that receives a light incident from a back side of the first semiconductor substrate and are formed in a two-dimensional array on a surface side of the first semiconductor substrate; a CCD type signal reading section that are formed on the surface side of the first semiconductor substrate and reads detection signals of the photoelectric converting devices; and a MOS type signal reading section that are formed on the surface side of the first semiconductor substrate and reads detection signals of the photoelectric converting devices.
    Type: Application
    Filed: March 13, 2008
    Publication date: September 18, 2008
    Inventor: Shinji UYA