Patents by Inventor Atsushi Masagaki
Atsushi Masagaki 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).
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Patent number: 10658412Abstract: The present disclosure relates to a solid-state image pickup device and an electronic apparatus that are capable of preventing leakage of charges between adjacent pixels. A plurality of pixels perform photoelectric conversion on light incident from a back surface via different on-chip lenses for each pixel. A pixel separation wall is formed between pixels adjacent to each other, and includes a front-side trench formed from a front surface and a backside trench formed from the back surface. A wiring layer is provided on the front surface. The present disclosure is applicable to, for example, a backside illuminated CMOS image sensor.Type: GrantFiled: August 13, 2019Date of Patent: May 19, 2020Assignee: Sony CorporationInventors: Atsushi Masagaki, Yusuke Tanaka
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Publication number: 20200035737Abstract: An imaging device includes a first chip (72). The first chip includes first and second pixels including respective first and second photoelectric conversion regions (PD) that convert incident light into electric charge. The first chip includes a first connection region for bonding the first chip to a second chip (73) and including a first connection portion (702, 702d) overlapped with the first photoelectric conversion region in a plan view, and a second connection portion overlapped with the second photoelectric conversion region in the plan view. The first photoelectric region receives incident light of a first wavelength, and the second photoelectric conversion region receives incident light of a second wavelength that is greater than the first wavelength. The first connection portion overlaps an area of the first photoelectric conversion region that is larger than an area of the second photoelectric conversion region overlapped by the second connection portion.Type: ApplicationFiled: February 9, 2018Publication date: January 30, 2020Applicant: SONY SEMICONDUCTOR SOLUTIONS CORPORATIONInventors: Tomomi ITO, Atsuhiko YAMAMOTO, Atsushi MASAGAKI
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Publication number: 20200007830Abstract: A solid state imaging device includes a pixel array unit in which color filters of a plurality of colors are arrayed with four pixels of vertical 2 pixels×horizontal 2 pixels as a same color unit that receives light of the same color, shared pixel transistors that are commonly used by a plurality of pixels are intensively arranged in one predetermined pixel in a unit of sharing, and a color of the color filter of a pixel where the shared pixel transistors are intensively arranged is a predetermined color among the plurality of colors. The present technology can be applied, for example, to a solid state imaging device such as a back-surface irradiation type CMOS image sensor.Type: ApplicationFiled: September 9, 2019Publication date: January 2, 2020Applicant: Sony Semiconductor Solutions CorporationInventor: Atsushi Masagaki
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Publication number: 20190371837Abstract: The present disclosure relates to a solid-state image pickup device and an electronic apparatus that are capable of preventing leakage of charges between adjacent pixels. A plurality of pixels perform photoelectric conversion on light incident from a back surface via different on-chip lenses for each pixel. A pixel separation wall is formed between pixels adjacent to each other, and includes a front-side trench formed from a front surface and a backside trench formed from the back surface. A wiring layer is provided on the front surface. The present disclosure is applicable to, for example, a backside illuminated CMOS image sensor.Type: ApplicationFiled: August 13, 2019Publication date: December 5, 2019Applicant: Sony CorporationInventors: Atsushi MASAGAKI, Yusuke TANAKA
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Patent number: 10447976Abstract: A solid state imaging device includes a pixel array unit in which color filters of a plurality of colors are arrayed with four pixels of vertical 2 pixels×horizontal 2 pixels as a same color unit that receives light of the same color, shared pixel transistors that are commonly used by a plurality of pixels are intensively arranged in one predetermined pixel in a unit of sharing, and a color of the color filter of a pixel where the shared pixel transistors are intensively arranged is a predetermined color among the plurality of colors. The present technology can be applied, for example, to a solid state imaging device such as a back-surface irradiation type CMOS image sensor.Type: GrantFiled: February 16, 2017Date of Patent: October 15, 2019Assignee: Sony Semiconductor Solutions CorporationInventor: Atsushi Masagaki
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Patent number: 10431619Abstract: The present disclosure relates to a solid-state image pickup device and an electronic apparatus that are capable of preventing leakage of charges between adjacent pixels. A plurality of pixels perform photoelectric conversion on light incident from a back surface via different on-chip lenses for each pixel. A pixel separation wall is formed between pixels adjacent to each other, and includes a front-side trench formed from a front surface and a backside trench formed from the back surface. A wiring layer is provided on the front surface. The present disclosure is applicable to, for example, a backside illuminated CMOS image sensor.Type: GrantFiled: January 13, 2017Date of Patent: October 1, 2019Assignee: Sony CorporationInventors: Atsushi Masagaki, Yusuke Tanaka
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Patent number: 10236311Abstract: The present technology relates to a solid-state imaging element and an electronic device capable of improving image quality of the solid-state imaging element. The solid-state imaging element includes a photoelectric conversion unit adapted to photoelectrically convert incident light incident from a predetermined incident surface. Also, the solid-state imaging element includes a wire arranged on a bottom surface side that is an opposite surface of the incident surface of the photoelectric conversion unit, and formed with a protruding pattern on a surface facing the photoelectric conversion unit. The present technology can be applied to, for example, a solid-state imaging element such as a CMOS image sensor, and an electronic device including the solid-state imaging element.Type: GrantFiled: October 7, 2015Date of Patent: March 19, 2019Assignee: SONY SEMICONDUCTOR SOLUTIONS CORPORATIONInventors: Ryoji Suzuki, Hitoshi Moriya, Atsuhiro Ando, Atsushi Masagaki
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Publication number: 20180350856Abstract: The present disclosure relates to a solid-state image pickup device and an electronic apparatus that are capable of preventing leakage of charges between adjacent pixels. A plurality of pixels perform photoelectric conversion on light incident from a back surface via different on-chip lenses for each pixel. A pixel separation wall is formed between pixels adjacent to each other, and includes a front-side trench formed from a front surface and a backside trench formed from the back surface. A wiring layer is provided on the front surface. The present disclosure is applicable to, for example, a backside illuminated CMOS image sensor.Type: ApplicationFiled: January 13, 2017Publication date: December 6, 2018Inventors: Atsushi MASAGAKI, Yusuke TANAKA
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Patent number: 9871985Abstract: The present disclosure relates to a solid-state image pickup device and an electronic apparatus capable of generating highly-accurate image pickup signals having a large dynamic range. Pixels each include a high-sensitivity pixel and a low-sensitivity pixel having a lower sensitivity than the high-sensitivity pixel. A control gate controls a potential of a photoelectric conversion device of the low-sensitivity pixel. The present disclosure is applicable to, for example, a CMOS image sensor that includes both the high-sensitivity pixel and the low-sensitivity pixel having a lower sensitivity than the high-sensitivity pixel and controls a potential of the photoelectric conversion device of the low-sensitivity pixel.Type: GrantFiled: July 8, 2014Date of Patent: January 16, 2018Assignee: Sony Semiconductor Solutions CorporationInventors: Kyohei Yoshimura, Atsushi Masagaki, Ikuo Yoshihara, Ryoji Suzuki, Takashi Machida, Shinichiro Izawa
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Publication number: 20170373104Abstract: A solid-state imaging device includes a plurality of pixels two-dimensionally arrayed in a well region disposed on a semiconductor substrate, each pixel including a photoelectric conversion section having a charge accumulation region which accumulates signal charge; an element isolation layer which is disposed on the surface of the well region along the peripheries of the individual charge accumulation regions and which electrically isolates the individual pixels from each other; and a diffusion layer which is disposed beneath the element isolation layer and which electrically isolates the individual pixels from each other, the diffusion layer having a smaller width than that of the element isolation layer. Each charge accumulation region is disposed so as to extend below the element isolation layer and be in contact with or in close proximity to the diffusion layer.Type: ApplicationFiled: September 11, 2017Publication date: December 28, 2017Inventors: Keiji Tatani, Hideshi Abe, Masanori Ohashi, Atsushi Masagaki, Atsuhiko Yamamoto, Masakazu Furukawa
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Publication number: 20170229503Abstract: The present technology relates to a solid-state imaging element and an electronic device capable of improving image quality of the solid-state imaging element. The solid-state imaging element includes a photoelectric conversion unit adapted to photoelectrically convert incident light incident from a predetermined incident surface. Also, the solid-state imaging element includes a wire arranged on a bottom surface side that is an opposite surface of the incident surface of the photoelectric conversion unit, and formed with a protruding pattern on a surface facing the photoelectric conversion unit. The present technology can be applied to, for example, a solid-state imaging element such as a CMOS image sensor, and an electronic device including the solid-state imaging element.Type: ApplicationFiled: October 7, 2015Publication date: August 10, 2017Inventors: RYOJI SUZUKI, HITOSHI MORIYA, ATSUHIRO ANDO, ATSUSHI MASAGAKI
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Publication number: 20170161655Abstract: A solid state imaging device includes a pixel array unit in which color filters of a plurality of colors are arrayed with four pixels of vertical 2 pixels×horizontal 2 pixels as a same color unit that receives light of the same color, shared pixel transistors that are commonly used by a plurality of pixels are intensively arranged in one predetermined pixel in a unit of sharing, and a color of the color filter of a pixel where the shared pixel transistors are intensively arranged is a predetermined color among the plurality of colors. The present technology can be applied, for example, to a solid state imaging device such as a back-surface irradiation type CMOS image sensor.Type: ApplicationFiled: February 16, 2017Publication date: June 8, 2017Inventor: Atsushi Masagaki
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Patent number: 9620545Abstract: A solid-state image pickup device includes an element isolation insulating film electrically isolating pixels on the surface of a well region; a first isolation diffusion layer electrically isolating the pixels under the element isolation insulating film; and a second isolation diffusion layer electrically isolating the pixels under the first isolation diffusion layer, wherein a charge accumulation region is disposed in the well region surrounded by the first and second isolation diffusion layers, the inner peripheral part of the first isolation diffusion layer forms a projecting region, an impurity having a conductivity type of the first isolation diffusion layer and an impurity having a conductivity type of the charge accumulation region are mixed in the projecting region, and a part of the charge accumulation region between the charge accumulation region and the second isolation diffusion layer is abutted or close to the second isolation diffusion layer under the projecting region.Type: GrantFiled: April 23, 2014Date of Patent: April 11, 2017Assignee: Sony Semiconductor Solutions CorporationInventors: Keiji Tatani, Hideshi Abe, Masanori Ohashi, Atsushi Masagaki, Atsuhiko Yamamoto, Masakazu Furukawa
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Patent number: 9609253Abstract: A solid state imaging device includes a pixel array unit in which color filters of a plurality of colors are arrayed with four pixels of vertical 2 pixels×horizontal 2 pixels as a same color unit that receives light of the same color, shared pixel transistors that are commonly used by a plurality of pixels are intensively arranged in one predetermined pixel in a unit of sharing, and a color of the color filter of a pixel where the shared pixel transistors are intensively arranged is a predetermined color among the plurality of colors. The present technology can be applied, for example, to a solid state imaging device such as a back-surface irradiation type CMOS image sensor.Type: GrantFiled: February 17, 2016Date of Patent: March 28, 2017Assignee: Sony Semiconductor Solutions CorporationInventor: Atsushi Masagaki
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Publication number: 20160165167Abstract: A solid state imaging device includes a pixel array unit in which color filters of a plurality of colors are arrayed with four pixels of vertical 2 pixels×horizontal 2 pixels as a same color unit that receives light of the same color, shared pixel transistors that are commonly used by a plurality of pixels are intensively arranged in one predetermined pixel in a unit of sharing, and a color of the color filter of a pixel where the shared pixel transistors are intensively arranged is a predetermined color among the plurality of colors. The present technology can be applied, for example, to a solid state imaging device such as a back-surface irradiation type CMOS image sensor.Type: ApplicationFiled: February 17, 2016Publication date: June 9, 2016Inventor: Atsushi Masagaki
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Publication number: 20160156862Abstract: The present disclosure relates to a solid-state image pickup device and an electronic apparatus capable of generating highly-accurate image pickup signals having a large dynamic range. Pixels each include a high-sensitivity pixel and a low-sensitivity pixel having a lower sensitivity than the high-sensitivity pixel. A control gate controls a potential of a photoelectric conversion device of the low-sensitivity pixel. The present disclosure is applicable to, for example, a CMOS image sensor that includes both the high-sensitivity pixel and the low-sensitivity pixel having a lower sensitivity than the high-sensitivity pixel and controls a potential of the photoelectric conversion device of the low-sensitivity pixel.Type: ApplicationFiled: July 8, 2014Publication date: June 2, 2016Inventors: Kyohei YOSHIMURA, Atsushi MASAGAKI, Ikuo YOSHIHARA, Ryoji SUZUKI, Takashi MACHIDA, Shinichiro IZAWA
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Patent number: 9319646Abstract: A solid state imaging device includes a pixel array unit in which color filters of a plurality of colors are arrayed with four pixels of vertical 2 pixels×horizontal 2 pixels as a same color unit that receives light of the same color, shared pixel transistors that are commonly used by a plurality of pixels are intensively arranged in one predetermined pixel in a unit of sharing, and a color of the color filter of a pixel where the shared pixel transistors are intensively arranged is a predetermined color among the plurality of colors. The present technology can be applied, for example, to a solid state imaging device such as a back-surface irradiation type CMOS image sensor.Type: GrantFiled: June 19, 2014Date of Patent: April 19, 2016Assignee: SONY CORPORATIONInventor: Atsushi Masagaki
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Patent number: 9083902Abstract: Provided is a method of driving a solid-state imaging apparatus including discharging a signal charge from a photoelectric transducer, by turning on a transfer section and turning on a reset section, at a first timing, in a shutter operation for starting an accumulation of the signal charge for the photoelectric transducer while a selection section is turned off, boosting a floating diffusion section, by turning on the transfer section and turning off the reset section, at a second timing which follows the first timing and taking in an electric signal output to an output signal line by a peripheral circuit section, in a state in which the transfer section is turned on, and generating a pixel signal from the taken in signal.Type: GrantFiled: January 31, 2013Date of Patent: July 14, 2015Assignee: Sony CorporationInventors: Atsushi Masagaki, Takashi Abe, Ryoji Suzuki
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Publication number: 20150002709Abstract: A solid state imaging device includes a pixel array unit in which color filters of a plurality of colors are arrayed with four pixels of vertical 2 pixels×horizontal 2 pixels as a same color unit that receives light of the same color, shared pixel transistors that are commonly used by a plurality of pixels are intensively arranged in one predetermined pixel in a unit of sharing, and a color of the color filter of a pixel where the shared pixel transistors are intensively arranged is a predetermined color among the plurality of colors. The present technology can be applied, for example, to a solid state imaging device such as a back-surface irradiation type CMOS image sensor.Type: ApplicationFiled: June 19, 2014Publication date: January 1, 2015Inventor: Atsushi Masagaki
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Publication number: 20140231948Abstract: A solid-state image pickup device includes an element isolation insulating film electrically isolating pixels on the surface of a well region; a first isolation diffusion layer electrically isolating the pixels under the element isolation insulating film; and a second isolation diffusion layer electrically isolating the pixels under the first isolation diffusion layer, wherein a charge accumulation region is disposed in the well region surrounded by the first and second isolation diffusion layers, the inner peripheral part of the first isolation diffusion layer forms a projecting region, an impurity having a conductivity type of the first isolation diffusion layer and an impurity having a conductivity type of the charge accumulation region are mixed in the projecting region, and a part of the charge accumulation region between the charge accumulation region and the second isolation diffusion layer is abutted or close to the second isolation diffusion layer under the projecting region.Type: ApplicationFiled: April 23, 2014Publication date: August 21, 2014Applicant: Sony CorporationInventors: Keiji TATANI, Hideshi ABE, Masanori OHASHI, Atsushi MASAGAKI, Atsuhiko YAMAMOTO, Masakazu FURUKAWA