Patents by Inventor Soichi Owa
Soichi Owa 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: 20240152053Abstract: A method for manufacturing a semiconductor integrated circuit in each of a plurality of regions on a substrate, the method includes forming an electronic circuit as a part of the semiconductor integrated circuit in each of the plurality of regions by using a mask pattern fixed to a mask substrate, and forming a specific circuit, which expresses specific information specific to each of the semiconductor integrated circuits, on a part of each of the plurality of regions by using a variable shaping exposure apparatus having a variable shaping mask, the specific circuits formed on the plurality of regions being different from each other.Type: ApplicationFiled: December 20, 2021Publication date: May 9, 2024Applicant: NIKON CORPORATIONInventors: Yuho KANAYA, Soichi OWA
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Patent number: 11119411Abstract: In a drive method for a spatial light modulator, out of a first boundary region and a second boundary region arranged adjacently in a Y-direction and extending in an X-direction, mirror elements arranged at a first pitch not resolved by a projection optical system, in the X-direction in the first boundary region are set in the phase 0, and the other mirror elements therein are set in the phase ?; mirror elements arranged at a second pitch not resolved by the projection optical system, in the X-direction in the second boundary region are set in the phase ?, and the other mirror elements therein are set in the phase 0.Type: GrantFiled: July 15, 2014Date of Patent: September 14, 2021Assignee: Nikon CorporationInventors: Soichi Owa, Yoji Watanabe
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Patent number: 10877383Abstract: An exposure apparatus for transferring a pattern from a reticle to a workpiece, a pellicle being positioned near the reticle, includes a heat transfer frame, an illuminator, and a temperature controller. The heat transfer frame is configured to be positioned near the pellicle, the heat transfer frame defining a beam aperture. The illuminator directs a beam through the beam aperture and the pellicle at the reticle. The temperature controller controls the temperature of the heat transfer frame to control the temperature of the pellicle. The illuminator can direct the beam from a beam source, such as an EUV beam source. Additionally, the temperature controller can cryogenically cool the heat transfer frame.Type: GrantFiled: November 21, 2019Date of Patent: December 29, 2020Inventors: Paul Derek Coon, Soichi Owa
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Patent number: 10768341Abstract: An optical member to be arranged in an optical path of a light, includes an optical medium made of an insulator or a semiconductor; a first element provided at a first position in the optical medium and made of a first electric conductor having a width approximately same as or smaller than a wavelength of the light, the first position being a position in the optical path; and a second element provided at a second position, in the optical medium, different from the first position, and made of a second electric conductor having a width approximately same as or smaller than the wavelength of the light, the second position being a position in the optical path.Type: GrantFiled: June 6, 2018Date of Patent: September 8, 2020Assignee: NIKON CORPORATIONInventors: Soichi Owa, Shunji Watanabe, Junji Suzuki, Kazuhiro Kido, Hidemitsu Toba
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Patent number: 10761431Abstract: A mirror array device, and related exposure apparatus and manufacturing method, for driving a spatial light modulator that includes: setting, in an array of mirror elements, mirror elements in a first state for turning incident light into reflected light with the same phase as that of the incident light or with a phase different by a first phase from that of the incident light and mirror elements in a second state for turning incident light into reflected light with a phase different approximately 180° from the first phase to an arrangement with a first phase distribution; and setting, in the array of mirror elements, the first mirror elements and the second mirror elements to an arrangement with a second phase distribution which is an inversion of the first phase distribution.Type: GrantFiled: May 13, 2019Date of Patent: September 1, 2020Assignee: NIKON CORPORATIONInventors: Yoji Watanabe, Soichi Owa, Tomoharu Fujiwara
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Publication number: 20200089134Abstract: An exposure apparatus for transferring a pattern from a reticle to a workpiece, a pellicle being positioned near the reticle, includes a heat transfer frame, an illuminator, and a temperature controller. The heat transfer frame is configured to be positioned near the pellicle, the heat transfer frame defining a beam aperture. The illuminator directs a beam through the beam aperture and the pellicle at the reticle. The temperature controller controls the temperature of the heat transfer frame to control the temperature of the pellicle. The illuminator can direct the beam from a beam source, such as an EUV beam source. Additionally, the temperature controller can cryogenically cool the heat transfer frame.Type: ApplicationFiled: November 21, 2019Publication date: March 19, 2020Inventors: Paul Derek Coon, Soichi Owa
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Patent number: 10527956Abstract: An exposure apparatus for transferring a pattern from a reticle to a workpiece, a pellicle being positioned near the reticle, includes a heat transfer frame, an illuminator, and a temperature controller. The heat transfer frame is configured to be positioned near the pellicle, the heat transfer frame defining a beam aperture. The illuminator directs a beam through the beam aperture and the pellicle at the reticle. The temperature controller controls the temperature of the heat transfer frame to control the temperature of the pellicle. The illuminator can direct the beam from a beam source, such as an EUV beam source. Additionally, the temperature controller can cryogenically cool the heat transfer frame.Type: GrantFiled: March 16, 2018Date of Patent: January 7, 2020Assignee: NIKON CORPORATIONInventors: Paul Derek Coon, Soichi Owa
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Patent number: 10495977Abstract: A spatial light modulator includes a first reflective surface which reflects incident light and is movable between a first position and a second position, the first and the second positions being located along a first axis, a second reflective surface which reflects the incident light, is arranged at a position where the second reflective surface is adjacent to the first reflective surface in a direction along a second axis crossing the first axis, and is movable between a third position and a fourth position, the third and the fourth positions being located along a direction parallel to the first axis, and a reflective part which reflects the incident light and is arranged between the first reflective surface and the second reflective surface in the direction along the second axis, wherein a distance between the first position and the reflective part, defined in the direction parallel to the first axis, is configured to attenuate light reflected at the reflective part by using light reflected at the first reType: GrantFiled: January 11, 2019Date of Patent: December 3, 2019Assignee: Nikon CorporationInventors: Soichi Owa, Yoji Watanabe, Tomoharu Fujiwara
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Publication number: 20190271917Abstract: A mirror array device, and related exposure apparatus and manufacturing method, for driving a spatial light modulator that includes: setting, in an array of mirror elements, mirror elements in a first state for turning incident light into reflected light with the same phase as that of the incident light or with a phase different by a first phase from that of the incident light and mirror elements in a second state for turning incident light into reflected light with a phase different approximately 180° from the first phase to an arrangement with a first phase distribution; and setting, in the array of mirror elements, the first mirror elements and the second mirror elements to an arrangement with a second phase distribution which is an inversion of the first phase distribution.Type: ApplicationFiled: May 13, 2019Publication date: September 5, 2019Applicant: NIKON CORPORATIONInventors: Yoji WATANABE, Soichi OWA, Tomoharu FUJIWARA
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Patent number: 10338479Abstract: A method of driving a spatial light modulator includes: setting, in an array of mirror elements, mirror elements in a first state for turning incident light into reflected light with the same phase as that of the incident light or with a phase different by a first phase from that of the incident light and mirror elements in a second state for turning incident light into reflected light with a phase different approximately 180° from the first phase to an arrangement with a first phase distribution; and setting, in the array of mirror elements, the first mirror elements and the second mirror elements to an arrangement with a second phase distribution which is an inversion of the first phase distribution.Type: GrantFiled: July 11, 2018Date of Patent: July 2, 2019Assignee: NIKON CORPORATIONInventors: Yoji Watanabe, Soichi Owa, Tomoharu Fujiwara
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Publication number: 20190146354Abstract: A spatial light modulator has a plurality of mirror elements each of which is controllable into a first state in which the mirror element reflects incident light with a change in a phase thereof by a first phase and a second state in which the mirror element reflects the incident light with a change in the phase thereof by a second phase 180° different from the first phase; and a boundary portion arranged between the mirror elements, which changes the phase of the incident light by a third phase substantially (90°+k·180°) (where k is an integer) different from the first phase. In projecting a pattern with the use of the spatial light modulator, an error caused in the pattern can be reduced even if the light quantity of light passing a gap region between the optical elements in the spatial light modulator is large.Type: ApplicationFiled: January 11, 2019Publication date: May 16, 2019Applicant: Nikon CorporationInventors: Soichi Owa, Yoji Watanabe, Tomoharu Fujiwara
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Patent number: 10261421Abstract: An exposure method for exposing a mask pattern, which includes plural types of patterns, with a high throughput and optimal illumination conditions for each type of pattern. The method includes guiding light from a first spatial light modulator illuminated with pulse lights of illumination light to a second spatial light modulator and exposing a wafer with light from the second spatial light modulator, accompanied by: controlling a conversion state of the second spatial light modulator including a plurality of second mirror elements; and controlling a conversion state of the first spatial light modulator including a plurality of first mirror elements to control intensity distribution of the illumination light on a predetermined plane between the first spatial light modulator and the second spatial light modulator.Type: GrantFiled: March 14, 2018Date of Patent: April 16, 2019Assignee: Nikon CorporationInventor: Soichi Owa
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Patent number: 10222705Abstract: A spatial light modulator has a plurality of mirror elements each of which is controllable into a first state in which the mirror element reflects incident light with a change in a phase thereof by a first phase and a second state in which the mirror element reflects the incident light with a change in the phase thereof by a second phase 180° different from the first phase; and a boundary portion arranged between the mirror elements, which changes the phase of the incident light by a third phase substantially (90°+k·180°) (where k is an integer) different from the first phase. In projecting a pattern with the use of the spatial light modulator, an error caused in the pattern can be reduced even if the light quantity of light passing a gap region between the optical elements in the spatial light modulator is large.Type: GrantFiled: April 12, 2017Date of Patent: March 5, 2019Assignee: Nikon CorporationInventors: Soichi Owa, Yoji Watanabe, Tomoharu Fujiwara
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Publication number: 20190049857Abstract: A method of driving a spatial light modulator includes: setting, in an array of mirror elements, mirror elements in a first state for turning incident light into reflected light with the same phase as that of the incident light or with a phase different by a first phase from that of the incident light and mirror elements in a second state for turning incident light into reflected light with a phase different approximately 180° from the first phase to an arrangement with a first phase distribution; and setting, in the array of mirror elements, the first mirror elements and the second mirror elements to an arrangement with a second phase distribution which is an inversion of the first phase distribution.Type: ApplicationFiled: July 11, 2018Publication date: February 14, 2019Applicant: NIKON CORPORATIONInventors: Yoji WATANABE, Soichi OWA, Tomoharu FUJIWARA
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Publication number: 20180348653Abstract: A liquid immersion exposure apparatus exposes a substrate by irradiating an exposure beam on the substrate through liquid. The apparatus has a substrate stage which is provided with a substrate holding portion on which the substrate is held and is provided with a stage member having an upper surface. The upper surface of the stage member is provided adjacent to the upper surface of the held substrate with a gap between the held substrate and the stage member. A temperature adjustment system, a part of which is provided under the upper surface of the stage member, performs temperature adjustment for the stage member.Type: ApplicationFiled: August 2, 2018Publication date: December 6, 2018Applicant: NIKON CORPORATIONInventors: Naoyuki KOBAYASHI, Soichi OWA, Shigeru HIRUKAWA, Yasuhiro OMURA
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Publication number: 20180284324Abstract: An optical member to be arranged in an optical path of a light, includes an optical medium made of an insulator or a semiconductor; a first element provided at a first position in the optical medium and made of a first electric conductor having a width approximately same as or smaller than a wavelength of the light, the first position being a position in the optical path; and a second element provided at a second position, in the optical medium, different from the first position, and made of a second electric conductor having a width approximately same as or smaller than the wavelength of the light, the second position being a position in the optical path.Type: ApplicationFiled: June 6, 2018Publication date: October 4, 2018Applicant: NIKON CORPORATIONInventors: Soichi OWA, Shunji WATANABE, Junji SUZUKI, Kazuhiro KIDO, Hidemitsu TOBA
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Publication number: 20180275534Abstract: An exposure apparatus for transferring a pattern from a reticle to a workpiece, a pellicle being positioned near the reticle, includes a heat transfer frame, an illuminator, and a temperature controller. The heat transfer frame is configured to be positioned near the pellicle, the heat transfer frame defining a beam aperture. The illuminator directs a beam through the beam aperture and the pellicle at the reticle. The temperature controller controls the temperature of the heat transfer frame to control the temperature of the pellicle. The illuminator can direct the beam from a beam source, such as an EUV beam source. Additionally, the temperature controller can cryogenically cool the heat transfer frame.Type: ApplicationFiled: March 16, 2018Publication date: September 27, 2018Inventors: Paul Derek Coon, Soichi Owa
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Patent number: 10054858Abstract: A method of driving a spatial light modulator includes: setting, in an array of mirror elements, mirror elements in a first state for turning incident light into reflected light with the same phase as that of the incident light or with a phase different by a first phase from that of the incident light and mirror elements in a second state for turning incident light into reflected light with a phase different approximately 180° from the first phase to an arrangement with a first phase distribution; and setting, in the array of mirror elements, the first mirror elements and the second mirror elements to an arrangement with a second phase distribution which is an inversion of the first phase distribution.Type: GrantFiled: September 22, 2011Date of Patent: August 21, 2018Assignee: NIKON CORPORATIONInventors: Yoji Watanabe, Soichi Owa, Tomoharu Fujiwara
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Patent number: 10048602Abstract: An exposure apparatus exposes a substrate by irradiating exposure light on the substrate through liquid. The exposure apparatus has a substrate holder for holding the substrate, a substrate stage capable of moving the substrate held by the substrate holder, and a temperature adjusting system for adjusting the temperature of the substrate holder. The temperature of the substrate is controlled so that there is no difference in temperature between the substrate and the liquid, thereby preventing a reduction in exposure accuracy resulting from variation in temperature of the liquid.Type: GrantFiled: April 8, 2016Date of Patent: August 14, 2018Assignee: NIKON CORPORATIONInventors: Naoyuki Kobayashi, Soichi Owa, Shigeru Hirukawa, Yasuhiro Omura
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Publication number: 20180203363Abstract: An exposure method for exposing a mask pattern, which includes plural types of patterns, with a high throughput and optimal illumination conditions for each type of pattern. The method includes guiding light from a first spatial light modulator illuminated with pulse lights of illumination light to a second spatial light modulator and exposing a wafer with light from the second spatial light modulator, accompanied by: controlling a conversion state of the second spatial light modulator including a plurality of second mirror elements; and controlling a conversion state of the first spatial light modulator including a plurality of first mirror elements to control intensity distribution of the illumination light on a predetermined plane between the first spatial light modulator and the second spatial light modulator.Type: ApplicationFiled: March 14, 2018Publication date: July 19, 2018Inventor: Soichi OWA