Patents by Inventor Keiji Emoto
Keiji Emoto 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: 20230393486Abstract: The present invention provides an exposure apparatus for performing scanning exposure on each of a plurality of shot regions in a substrate, comprising: a stage configured to hold the substrate; a driver configured to drive the stage; and a controller configured to control the scanning exposure on each of the plurality of shot regions while controlling the driver in accordance with a driving profile, wherein the driving profile includes a first section in which the stage is driven at a constant acceleration in a first direction, a second section in which the stage is driven at a constant acceleration in a second direction opposite to the first direction, and a connection section connecting the first section and the second section, and a period in which the scanning exposure is performed includes at least a part of the connection section.Type: ApplicationFiled: August 15, 2023Publication date: December 7, 2023Inventors: Keiji Emoto, Mamoru Kaneishi
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Patent number: 11762299Abstract: The present invention provides an exposure apparatus for performing scanning exposure on each of a plurality of shot regions in a substrate, comprising: a stage configured to hold the substrate; a driver configured to drive the stage; and a controller configured to control the scanning exposure on each of the plurality of shot regions while controlling the driver in accordance with a driving profile, wherein the driving profile includes a first section in which the stage is driven at a constant acceleration in a first direction, a second section in which the stage is driven at a constant acceleration in a second direction opposite to the first direction, and a connection section connecting the first section and the second section, and a period in which the scanning exposure is performed includes at least a part of the connection section.Type: GrantFiled: July 6, 2022Date of Patent: September 19, 2023Assignee: CANON KABUSHIKI KAISHAInventors: Keiji Emoto, Mamoru Kaneishi
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Publication number: 20230013155Abstract: The present invention provides an exposure apparatus for performing scanning exposure on each of a plurality of shot regions in a substrate, comprising: a stage configured to hold the substrate; a driver configured to drive the stage; and a controller configured to control the scanning exposure on each of the plurality of shot regions while controlling the driver in accordance with a driving profile, wherein the driving profile includes a first section in which the stage is driven at a constant acceleration in a first direction, a second section in which the stage is driven at a constant acceleration in a second direction opposite to the first direction, and a connection section connecting the first section and the second section, and a period in which the scanning exposure is performed includes at least a part of the connection section.Type: ApplicationFiled: July 6, 2022Publication date: January 19, 2023Inventors: Keiji Emoto, Mamoru Kaneishi
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Publication number: 20220035260Abstract: The exposing apparatus according to the present invention for exposing a substrate so as to transfer a pattern formed on an original to the substrate by using exposure light from a light source, includes a substrate stage on which the substrate is mounted, a driving unit configured to drive the substrate stage with a plurality of actuators each configured to apply a thrust to the substrate stage in respective orientations different from each other, and a controller configured to control the driving unit to cause the substrate stage to move in the scanning direction when exposing each of a plurality of shot regions on the substrate, and to cause each of the plurality of actuators to apply the thrust to the substrate stage in at least a part of time duration of each movement in the scanning direction.Type: ApplicationFiled: July 26, 2021Publication date: February 3, 2022Inventors: Takashi Hayakawa, Keiji Emoto
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Patent number: 11036149Abstract: An imprint apparatus forms a pattern on a substrate by curing an imprint material on the substrate while the imprint material is in contact with a mold. The imprint apparatus includes a substrate chuck having a substrate holding region for holding the substrate, a peripheral member arranged to surround the side surface of the substrate held by the substrate chuck, and a control unit configured to control a cleaning process for cleaning at least a partial region of the peripheral member by using a cleaning member including a charging unit. The cleaning process includes an operation for attracting a particle in the partial region to the charging unit by moving the cleaning member relative to the peripheral member while the charging unit faces at least the partial region of the peripheral member.Type: GrantFiled: August 20, 2018Date of Patent: June 15, 2021Assignee: CANON KABUSHIKI KAISHAInventors: Yoichi Matsuoka, Kiyohito Yamamoto, Hisanobu Azuma, Shigeru Terashima, Toshihiro Maeda, Masami Yonekawa, Keiji Emoto, Kazuki Nakagawa
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Patent number: 10564541Abstract: A method of forming a pattern on a substrate includes forming a group of first patterns so as to define a first region on each of a plurality of substrates by using a projection exposure apparatus, and forming a group of second patterns so as to define a second region on the first region of each of substrates different from each other out of the plurality of substrates by using a plurality of imprint apparatuses. A plurality of second regions, which are respectively defined by the plurality of imprint apparatuses in the forming the group of second patterns, are different in shape but have a common component. In the forming the group of first patterns, the first regions are deformed in accordance with the common component.Type: GrantFiled: February 1, 2017Date of Patent: February 18, 2020Assignee: CANON KABUSHIKI KAISHAInventors: Tatsuya Hayashi, Keiji Emoto
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Patent number: 10303069Abstract: The present invention provides a pattern forming method of forming a plurality of pattern layers on a substrate by using a plurality of lithography apparatuses including a first lithography apparatus and a second lithography apparatus, the method comprising a first step of forming a first pattern layer by the first lithography apparatus which adopts a die-by-die alignment method, based on alignment information obtained by using the die-by-die alignment method for a plurality of marks formed on the substrate by a lithography apparatus which adopts a global alignment method, and a second step of forming a second pattern layer so as to overlap with the first pattern layer by the second lithography apparatus, based on alignment information obtained by using the global alignment method for a plurality of shot regions formed on the substrate by the first lithography apparatus in the first step.Type: GrantFiled: September 11, 2015Date of Patent: May 28, 2019Assignee: CANON KABUSHIKI KAISHAInventors: Eiji Sakamoto, Keiji Emoto, Yutaka Watanabe
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Patent number: 10241424Abstract: An imprint apparatus includes: a stage configured to hold the substrate; a detector configured to detect a relative position between a shot region and the mold in a direction parallel to a surface of the substrate; and a controller configured to obtain, in an imprint process on a shot region different from a target shot region, information relating to a relative position, between the other shot region and the mold, used for aligning the other shot region after bringing the mold and the imprint material into contact with each other, and, when performing the imprint process on the target shot region, adjust a relative position between the target shot region and the mold in the direction by using a detection result on the target shot region and the obtained information.Type: GrantFiled: October 16, 2014Date of Patent: March 26, 2019Assignee: CANON KABUSHIKI KAISHAInventors: Tosiya Asano, Keiji Emoto
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Publication number: 20180356741Abstract: An imprint apparatus forms a pattern on a substrate by curing an imprint material on the substrate while the imprint material is in contact with a mold. The imprint apparatus includes a substrate chuck having a substrate holding region for holding the substrate, a peripheral member arranged to surround the side surface of the substrate held by the substrate chuck, and a control unit configured to control a cleaning process for cleaning at least a partial region of the peripheral member by using a cleaning member including a charging unit. The cleaning process includes an operation for attracting a particle in the partial region to the charging unit by moving the cleaning member relative to the peripheral member while the charging unit faces at least the partial region of the peripheral member.Type: ApplicationFiled: August 20, 2018Publication date: December 13, 2018Inventors: Yoichi Matsuoka, Kiyohito Yamamoto, Hisanobu Azuma, Shigeru Terashima, Toshihiro Maeda, Masami Yonekawa, Keiji Emoto, Kazuki Nakagawa
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Patent number: 10105892Abstract: An imprint apparatus is provided with: an application unit; a substrate holding unit including an auxiliary plate; a gas supply unit including multiple supply outlets, which supplies gas to an interstice between a mold and a substrate, in conjunction with movement of a shot region by driving of the substrate holding unit from an application position of the application unit to a pressing position where pressing is conducted, when pressing the mold against an uncured resin applied to the shot region; and a controller which selects a supply outlet to supply the gas so that the supply outlet that supplies the gas among the multiple supply outlets is opposed by either the substrate or the auxiliary plate, while the shot region to which the uncured resin was applied is moved toward the pressing position, and which controls a direction of movement of the shot region.Type: GrantFiled: February 26, 2013Date of Patent: October 23, 2018Assignee: CANON KABUSHIKI KAISHAInventors: Kazuki Nakagawa, Keiji Emoto
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Publication number: 20170285495Abstract: The present invention provides a pattern forming method of forming a plurality of pattern layers on a substrate by using a plurality of lithography apparatuses including a first lithography apparatus and a second lithography apparatus, the method comprising a first step of forming a first pattern layer by the first lithography apparatus which adopts a die-by-die alignment method, based on alignment information obtained by using the die-by-die alignment method for a plurality of marks formed on the substrate by a lithography apparatus which adopts a global alignment method, and a second step of forming a second pattern layer so as to overlap with the first pattern layer by the second lithography apparatus, based on alignment information obtained by using the global alignment method for a plurality of shot regions formed on the substrate by the first lithography apparatus in the first step.Type: ApplicationFiled: September 11, 2015Publication date: October 5, 2017Inventors: Eiji Sakamoto, Keiji Emoto, Yutaka Watanabe
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Publication number: 20170227855Abstract: A method of forming a pattern on a substrate includes forming a group of first patterns so as to define a first region on each of a plurality of substrates by using a projection exposure apparatus, and forming a group of second patterns so as to define a second region on the first region of each of substrates different from each other out of the plurality of substrates by using a plurality of imprint apparatuses. A plurality of second regions, which are respectively defined by the plurality of imprint apparatuses in the forming the group of second patterns, are different in shape but have a common component. In the forming the group of first patterns, the first regions are deformed in accordance with the common component.Type: ApplicationFiled: February 1, 2017Publication date: August 10, 2017Inventors: Tatsuya Hayashi, Keiji Emoto
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Publication number: 20170057154Abstract: An imprint apparatus according to an embodiment of the present invention includes a supply unit configured to supply an imprint material on a substrate, a pattern formation unit including a holder holding a mold, the pattern formation unit being configured to bring the mold in contact with the imprint material supplied by the supply unit to form a pattern, a prevention unit configured to supply a gas in a direction intersecting a direction along the substrate to prevent a foreign matter from attaching to the substrate, and a removal unit configured to locally supply a fluid to the substrate to remove a foreign matter on the substrate.Type: ApplicationFiled: August 23, 2016Publication date: March 2, 2017Inventors: Tatsuya Hayashi, Hisanobu Azuma, Keiji Emoto, Yoshikazu Miyajima
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Patent number: 9435642Abstract: A position measuring apparatus configured to measure a position of an measured object using a plate-like scale including a grating pattern, includes a supporting unit configured to be arranged between a structure and the scale and to support the scale, in which the supporting unit includes a spring element that reduces vibration transferred from the structure to the scale in a plate thickness direction.Type: GrantFiled: April 16, 2013Date of Patent: September 6, 2016Assignee: Canon Kabushiki KaishaInventors: Keiji Emoto, Naoki Maruyama
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Publication number: 20160223918Abstract: An imprint apparatus includes: a stage configured to hold the substrate; a detector configured to detect a relative position between a shot region and the mold in a direction parallel to a surface of the substrate; and a controller configured to obtain, in an imprint process on a shot region different from a target shot region, information relating to a relative position, between the other shot region and the mold, used for aligning the other shot region after bringing the mold and the imprint material into contact with each other, and, when performing the imprint process on the target shot region, adjust a relative position between the target shot region and the mold in the direction by using a detection result on the target shot region and the obtained information.Type: ApplicationFiled: October 16, 2014Publication date: August 4, 2016Inventors: Tosiya Asano, Keiji Emoto
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Patent number: 9217937Abstract: A stage apparatus includes a stage, an interferometric measurement device which is arranged to be able to measure a position of a surface of a mirror arranged on a side surface of the stage, and a driving unit configured to position the stage based on a measurement result of the interferometric measurement device. The interferometric measurement device includes: a varying unit configured to periodically vary an incident position where measurement light is incident on the mirror; and a detecting unit configured to detect rotation of the mirror based on a variation amount of the measurement result of the interferometric measurement device, which is generated upon a periodic variation of the incident position.Type: GrantFiled: October 29, 2013Date of Patent: December 22, 2015Assignee: Canon Kabushiki KaishaInventors: Zenichi Hamaya, Keiji Emoto, Ryo Takai, Shinichiro Hirai
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Patent number: 9158211Abstract: A scanning exposure apparatus exposes a plurality of shot regions on a substrate to light while scanning an original and the substrate. The apparatus includes: a stage which holds the substrate and moves; and a controller which controls movement of the stage based on a driving profile that defines the movement of the stage. A portion in the driving profile, which defines the movement of the stage during exposure of at least one shot region, is formed by a sine wave having a frequency lower than a resonance frequency in a stage controller.Type: GrantFiled: December 28, 2011Date of Patent: October 13, 2015Assignee: CANON KABUSHIKI KAISHAInventors: Keiji Emoto, Tomohiro Harayama
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Patent number: 9132458Abstract: At least three processing machines are positioned on a supporting structure including a plurality of beams spaced apart from each other. The at least three processing machines include a first processing machine, a second processing machine supported by at least one of beams which support the first processing machine, and a third processing machine supported by beams different from all the beams which support the first processing machine. A distance between the first processing machine and the second processing machine, at which an amount of vibration transferred from the first processing machine to the second processing machine becomes smaller than a predetermined amount, is determined, thereby positioning the first processing machine and the second processing machine with a distance not less than the determined distance.Type: GrantFiled: October 3, 2012Date of Patent: September 15, 2015Assignee: CANON KABUSHIKI KAISHAInventors: Tetsuji Okada, Keiji Emoto, Noriyasu Hasegawa
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Patent number: 9104121Abstract: An exposure apparatus includes: a substrate stage configured to move upon holding the substrate; a structural member configured to support a substrate stage; a first counter mass stage configured to cancel a driving reaction force that is generated due to driving of the substrate stage and acts on the structural member; a substrate stage driver configured to generate a force between the substrate stage and the first counter mass stage; a first counter mass driver configured to generate a force between the structural member and the first counter mass stage; a controller configured to control the first counter mass driver so as to cancel the force that acts on the structural member by generating a force between the structural member and the first counter mass stage using the first counter mass driver.Type: GrantFiled: July 11, 2012Date of Patent: August 11, 2015Assignee: CANON KABUSHIKI KAISHAInventors: Keiji Emoto, Tosiya Asano
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Patent number: 8956143Abstract: A lithography system includes at least two lithography apparatuses disposed on the same fixed base, each of which includes an object, a moving body, and a vibration isolation unit. A control unit configured to control the lithography apparatuses controls a vibration isolation unit included in a first lithography apparatus based on driving instruction information to be given to a moving body included in a second lithography apparatus, and a control indicator regarding vibration directed onto an object to be vibration-isolated included in the first lithography apparatus due to a moving operation of the moving body.Type: GrantFiled: December 13, 2011Date of Patent: February 17, 2015Assignee: Canon Kabushiki KaishaInventors: Mitsuhiro Furumoto, Keiji Emoto