Patents by Inventor Mineo Shimotsusa
Mineo Shimotsusa 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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Publication number: 20240073562Abstract: A solid-state imaging device includes a first and second pixel regions. In the first pixel region, a photoelectric conversion unit, a floating diffusion region (FD), and a transferring transistor are provided. In the second pixel region, an amplifying transistor, and a resetting transistor are provided. A first element isolation portion is provided in the first pixel region, while a second element isolation portion is provided in the second pixel region. An amount of protrusion of an insulating film into a semiconductor substrate in the first element isolation portion is smaller, than that in the second element isolation portion.Type: ApplicationFiled: November 7, 2023Publication date: February 29, 2024Inventors: Mineo Shimotsusa, Fumihiro Inui
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Patent number: 11843886Abstract: A solid-state imaging device includes a first and second pixel regions. In the first pixel region, a photoelectric conversion unit, a floating diffusion region (FD), and a transferring transistor are provided. In the second pixel region, an amplifying transistor, and a resetting transistor are provided. A first element isolation portion is provided in the first pixel region, while a second element isolation portion is provided in the second pixel region. An amount of protrusion of an insulating film into a semiconductor substrate in the first element isolation portion is smaller, than that in the second element isolation portion.Type: GrantFiled: August 3, 2021Date of Patent: December 12, 2023Assignee: CANON KABUSHIKI KAISHAInventors: Mineo Shimotsusa, Fumihiro Inui
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Publication number: 20230299112Abstract: A solid-state image pickup device capable of suppressing the generation of dark current and/or leakage current is provided. The solid-state image pickup device has a first substrate provided with a photoelectric converter on its primary face, a first wiring structure having a first bonding portion which contains a conductive material, a second substrate provided with a part of a peripheral circuit on its primary face, and a second wiring structure having a second bonding portion which contains a conductive material. In addition, the first bonding portion and the second bonding portion are bonded so that the first substrate, the first wiring structure, the second wiring structure, and the second substrate are disposed in this order. Furthermore, the conductive material of the first bonding portion and the conductive material of the second bonding portion are surrounded with diffusion preventing films.Type: ApplicationFiled: May 23, 2023Publication date: September 21, 2023Inventor: Mineo Shimotsusa
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Publication number: 20230088227Abstract: A liquid ejection head including a base substrate, an ejection port to eject a liquid, a heating element formed above the base substrate that heats the liquid to eject the liquid from the ejection port, a temperature detection element formed above the base substrate that detects a temperature of the liquid, a wiring layer connected to the heating element, a protective layer formed on the base substrate that protects the heating element and the wiring layer from the liquid, and a liquid supply port that penetrates the base substrate and supplies the liquid to the ejection port. When viewed in a direction perpendicular to the base substrate, the temperature detection element is disposed between the heating element and the liquid supply port, and the temperature detection element is formed on the protective layer.Type: ApplicationFiled: September 14, 2022Publication date: March 23, 2023Inventor: Mineo Shimotsusa
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Patent number: 11577508Abstract: A highly reliable multilayer structure element substrate according to an embodiment of this present invention comprises: an electrothermal transducer; a temperature detection element formed at a position where the temperature detection element at least partially overlaps the electrothermal transducer in a planar view of the element substrate; and a plurality of wirings connected to the temperature detection element, wherein the temperature detection element can detect temperatures in a plurality of regions when a plurality of different wirings out of the plurality of wirings are selected.Type: GrantFiled: July 2, 2020Date of Patent: February 14, 2023Assignee: CANON KABUSHIKI KAISHAInventors: Soichiro Nagamochi, Mineo Shimotsusa
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Patent number: 11524497Abstract: A liquid discharge head, comprising an insulating member arranged on a substrate, a resistive heating element arranged in the insulating member and configured to generate thermal energy used to discharge a liquid, a bubble chamber provided above the insulating member and configured to generate bubbles of the liquid based on the thermal energy, and a temperature detection element capable of detecting a temperature in the bubble chamber, wherein the temperature detection element is arranged between the resistive heating element and the bubble chamber and in a conductive layer closest to the bubble chamber in a plurality of conductive layers provided with respect to the insulating member.Type: GrantFiled: April 28, 2021Date of Patent: December 13, 2022Assignee: Canon Kabushiki KaishaInventors: Mineo Shimotsusa, Hiroyasu Nomura
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Publication number: 20220375981Abstract: A photoelectric conversion device includes a first semiconductor substrate including a photoelectric conversion unit for generating a signal charge in accordance with an incident light, and a second semiconductor substrate including a signal processing unit for processing an electrical signal on the basis of the signal charge generated in the photoelectric conversion unit. The signal processing unit is situated in an orthogonal projection area from the photoelectric conversion unit to the second semiconductor substrate. A multilayer film including a plurality of insulator layers is provided between the first semiconductor substrate and the second semiconductor substrate. The thickness of the second semiconductor substrate is smaller than 500 micrometers. The thickness of the second semiconductor substrate is greater than the distance from the second semiconductor substrate and a light-receiving surface of the first semiconductor substrate.Type: ApplicationFiled: August 2, 2022Publication date: November 24, 2022Inventors: Mineo Shimotsusa, Takeshi Ichikawa, Yasuhiro Sekine
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Patent number: 11437421Abstract: A photoelectric conversion device includes a first semiconductor substrate including a photoelectric conversion unit for generating a signal charge in accordance with an incident light, and a second semiconductor substrate including a signal processing unit for processing an electrical signal on the basis of the signal charge generated in the photoelectric conversion unit. The signal processing unit is situated in an orthogonal projection area from the photoelectric conversion unit to the second semiconductor substrate. A multilayer film including a plurality of insulator layers is provided between the first semiconductor substrate and the second semiconductor substrate. The thickness of the second semiconductor substrate is smaller than 500 micrometers. The thickness of the second semiconductor substrate is greater than the distance from the second semiconductor substrate and a light-receiving surface of the first semiconductor substrate.Type: GrantFiled: December 18, 2019Date of Patent: September 6, 2022Assignee: CANON KABUSHIKI KAISHAInventors: Mineo Shimotsusa, Takeshi Ichikawa, Yasuhiro Sekine
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Patent number: 11358389Abstract: An element substrate has a layered structure including a heating resistance element, a first insulation layer where a temperature detection element constituted by a via is formed, and a second insulation layer provided between the heating resistance element and the temperature detection element which electrically insulates the heating resistance element and the temperature detection element.Type: GrantFiled: July 14, 2020Date of Patent: June 14, 2022Assignee: Canon Kabushiki KaishaInventors: Mineo Shimotsusa, Soichiro Nagamochi
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Patent number: 11342370Abstract: A solid-state image pickup device includes a semiconductor substrate in which photoelectric conversion units are arranged. An insulator is disposed on the semiconductor substrate. The insulator has holes associated with the respective photoelectric conversion units. Members are arranged in the respective holes. A light-shielding member is disposed on the opposite side of one of the members from the semiconductor substrate, such that only the associated photoelectric conversion unit is shielded from light. In the solid-state image pickup device, the holes are simultaneously formed and the members are simultaneously formed.Type: GrantFiled: February 28, 2020Date of Patent: May 24, 2022Assignee: Canon Kabushiki KaishaInventors: Mineo Shimotsusa, Masahiro Kobayashi
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Patent number: 11276722Abstract: A method of manufacturing a solid-state image sensor, includes forming a first isolation region of a first conductivity type in a semiconductor layer having first and second surfaces, the forming the first isolation region including first implantation for implanting ions into the semiconductor layer through the first surface, forming charge accumulation regions of a second conductivity type in the semiconductor layer, performing first annealing, forming an interconnection on a side of the first surface of the semiconductor layer after the first annealing, and forming a second isolation region of the first conductivity type in the semiconductor layer, the forming the second isolation region including second implantation for implanting ions into the semiconductor layer through the second surface. The first and second isolation regions are arranged between the adjacent charge accumulation regions.Type: GrantFiled: July 29, 2020Date of Patent: March 15, 2022Assignee: Canon Kabushiki KaishaInventor: Mineo Shimotsusa
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Publication number: 20220037390Abstract: A solid-state image pickup device capable of suppressing the generation of dark current and/or leakage current is provided. The solid-state image pickup device has a first substrate provided with a photoelectric converter on its primary face, a first wiring structure having a first bonding portion which contains a conductive material, a second substrate provided with a part of a peripheral circuit on its primary face, and a second wiring structure having a second bonding portion which contains a conductive material. In addition, the first bonding portion and the second bonding portion are bonded so that the first substrate, the first wiring structure, the second wiring structure, and the second substrate are disposed in this order. Furthermore, the conductive material of the first bonding portion and the conductive material of the second bonding portion are surrounded with diffusion preventing films.Type: ApplicationFiled: October 19, 2021Publication date: February 3, 2022Inventor: Mineo Shimotsusa
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Publication number: 20210370670Abstract: A print element substrate, comprising a base, a heater provided on the base and configured to generate heat used to discharge ink, a flow path member, which forms an ink flow path, configured to form, together with the base, a bubbling chamber in which the ink is bubbled by the heat of the heater provided in a bottom surface of the bubbling chamber, and a temperature sensor capable of detecting a temperature of the bubbling chamber, the temperature sensor being formed of the same material as the heater and provided in the same layer as the heater on the base.Type: ApplicationFiled: May 6, 2021Publication date: December 2, 2021Inventors: Hiroyasu Nomura, Mineo Shimotsusa
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Publication number: 20210370669Abstract: A liquid discharge head, comprising an insulating member arranged on a substrate, a resistive heating element arranged in the insulating member and configured to generate thermal energy used to discharge a liquid, a bubble chamber provided above the insulating member and configured to generate bubbles of the liquid based on the thermal energy, and a temperature detection element capable of detecting a temperature in the bubble chamber, wherein the temperature detection element is arranged between the resistive heating element and the bubble chamber and in a conductive layer closest to the bubble chamber in a plurality of conductive layers provided with respect to the insulating member.Type: ApplicationFiled: April 28, 2021Publication date: December 2, 2021Inventors: Mineo Shimotsusa, Hiroyasu Nomura
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Publication number: 20210368120Abstract: A solid-state imaging device includes a first and second pixel regions. In the first pixel region, a photoelectric conversion unit, a floating diffusion region (FD), and a transferring transistor are provided. In the second pixel region, an amplifying transistor, and a resetting transistor are provided. A first element isolation portion is provided in the first pixel region, while a second element isolation portion is provided in the second pixel region. An amount of protrusion of an insulating film into a semiconductor substrate in the first element isolation portion is smaller, than that in the second element isolation portion.Type: ApplicationFiled: August 3, 2021Publication date: November 25, 2021Inventors: Mineo Shimotsusa, Fumihiro Inui
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Publication number: 20210360186Abstract: A solid-state imaging device includes: a first semiconductor substrate including a photoelectric conversion element; and a second semiconductor substrate including at least a part of a peripheral circuit arranged in a main face of the second semiconductor substrate, the peripheral circuit generating a signal based on the charge of the photoelectric conversion element, a main face of the first semiconductor substrate and the main face of the second semiconductor substrate being opposed to each other with sandwiching a wiring structure therebetween; a pad to be connected to an external terminal; and a protection circuit electrically connected to the pad and to the peripheral circuit, wherein the protection circuit is arranged in the main face of the second semiconductor substrate.Type: ApplicationFiled: July 30, 2021Publication date: November 18, 2021Inventors: Masahiro Kobayashi, Mineo Shimotsusa
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Patent number: 11177310Abstract: A solid-state image pickup device capable of suppressing the generation of dark current and/or leakage current is provided. The solid-state image pickup device has a first substrate provided with a photoelectric converter on its primary face, a first wiring structure having a first bonding portion which contains a conductive material, a second substrate provided with a part of a peripheral circuit on its primary face, and a second wiring structure having a second bonding portion which contains a conductive material. In addition, the first bonding portion and the second bonding portion are bonded so that the first substrate, the first wiring structure, the second wiring structure, and the second substrate are disposed in this order. Furthermore, the conductive material of the first bonding portion and the conductive material of the second bonding portion are surrounded with diffusion preventing films.Type: GrantFiled: January 30, 2020Date of Patent: November 16, 2021Assignee: CANON KABUSHIKI KAISHAInventor: Mineo Shimotsusa
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Patent number: 11108982Abstract: A solid-state imaging device includes a first and second pixel regions. In the first pixel region, a photoelectric conversion unit, a floating diffusion region (FD), and a transferring transistor are provided. In the second pixel region, an amplifying transistor, and a resetting transistor are provided. A first element isolation portion is provided in the first pixel region, while a second element isolation portion is provided in the second pixel region. An amount of protrusion of an insulating film into a semiconductor substrate in the first element isolation portion is smaller, than that in the second element isolation portion.Type: GrantFiled: September 23, 2019Date of Patent: August 31, 2021Assignee: CANON KABUSHIKI KAISHAInventors: Mineo Shimotsusa, Fumihiro Inui
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Patent number: 11102440Abstract: A solid-state imaging device includes: a first semiconductor substrate including a photoelectric conversion element; and a second semiconductor substrate including at least a part of a peripheral circuit arranged in a main face of the second semiconductor substrate, the peripheral circuit generating a signal based on the charge of the photoelectric conversion element, a main face of the first semiconductor substrate and the main face of the second semiconductor substrate being opposed to each other with sandwiching a wiring structure therebetween; a pad to be connected to an external terminal; and a protection circuit electrically connected to the pad and to the peripheral circuit, wherein the protection circuit is arranged in the main face of the second semiconductor substrate.Type: GrantFiled: April 24, 2019Date of Patent: August 24, 2021Assignee: CANON KABUSHIKI KAISHAInventors: Masahiro Kobayashi, Mineo Shimotsusa
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Patent number: 10998368Abstract: A semiconductor apparatus includes a conductive member penetrating through a first semiconductor layer, a first insulator layer, and a third insulator layer, and connecting a first conductor layer with a second conductor layer. The conductive member has a first region containing copper, and a second region containing a material different from the copper is located at least between a first region and the first semiconductor layer, between the first region and the first insulator layer, and between the first region and the third insulator layer. A diffusion coefficient of the copper to a material is lower than a diffusion coefficient of the copper to the first semiconductor layer and a diffusion coefficient of the copper to the first insulator layer.Type: GrantFiled: January 25, 2019Date of Patent: May 4, 2021Assignee: CANON KABUSHIKI KAISHAInventor: Mineo Shimotsusa