Patents by Inventor Ken Ozawa
Ken Ozawa 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).
-
Publication number: 20240094646Abstract: An exposure apparatus includes a droplet supplier to supply a target droplet inside a vacuum chamber, an irradiator irradiating a pulsed laser onto the target droplet, a condensing mirror installed inside the vacuum chamber and configured to condense a light emitted from the target droplet by irradiation of the pulsed laser onto the target droplet, a gas supplier to flow a hydrogen gas along a surface of the condensing mirror, a controller to change a supply condition of the target droplet and an irradiation condition of the pulsed laser to conditions different from conditions during an exposure operation to increase an amount of production of hydrogen radicals in the vacuum chamber, and an exhaust pump to exhaust a gas from an inside of the vacuum chamber.Type: ApplicationFiled: September 15, 2023Publication date: March 21, 2024Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Katsunobu NISHIHARA, Nozomi TANAKA, Tomoyuki JOHZAKI, Ken OZAWA, Atsushi SUNAHARA, Shinji UEYAMA, Shinsuke FUJIOKA, Yubo WANG
-
Publication number: 20230305282Abstract: The polarized microscope includes a light source configured to generate illumination light, a polarizer configured to interact with the generated illumination light to transmit rectilinear polarized light having a first orientation, an analyzer configured to transmit a component of rectilinear polarized light reflected by a sample, the reflected rectilinear polarized light having a second orientation, an image obtainer configured to obtain an image of the reflected rectilinear polarized light, and an image processor configured to process the obtained image, wherein the image processor is configured to calculate a device integer, obtain a plurality of hysteresis loops for each of regions of interest (ROIs), and calculate a rotation angle of a Kerr rotation of each ROI by using the device integer and the plurality of hysteresis loops.Type: ApplicationFiled: February 27, 2023Publication date: September 28, 2023Applicant: Samsung Electronics Co., Ltd.Inventors: Ken OZAWA, Shinji UEYAMA, Tomoki ONISHI
-
Patent number: 11733176Abstract: An inspection device includes an objective lens that transmits inspection light reflected from a sample during inspection and measurement light from a point light source during aberration measurement, a first pupil relay lens that transmits the inspection light and the measurement light, a second pupil relay lens in which an intermediate imaging plane is formed between the second pupil relay lens and the first pupil relay lens, a diffraction grating disposed between the first pupil relay lens and the intermediate imaging plane and that diffracts the measurement light, a point diffraction interferometry plate disposed within a depth of focus of the intermediate imaging plane and that selectively transmits the diffracted light, a first detector that detects an image of the sample, and a second detector that detects a fringe image of the measurement light.Type: GrantFiled: January 20, 2022Date of Patent: August 22, 2023Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Akihiro Komatsu, Ken Ozawa
-
Publication number: 20220268709Abstract: An inspection device includes an objective lens that transmits inspection light reflected from a sample during inspection and measurement light from a point light source during aberration measurement, a first pupil relay lens that transmits the inspection light and the measurement light, a second pupil relay lens in which an intermediate imaging plane is formed between the second pupil relay lens and the first pupil relay lens, a diffraction grating disposed between the first pupil relay lens and the intermediate imaging plane and that diffracts the measurement light, a point diffraction interferometry plate disposed within a depth of focus of the intermediate imaging plane and that selectively transmits the diffracted light, a first detector that detects an image of the sample, and a second detector that detects a fringe image of the measurement light.Type: ApplicationFiled: January 20, 2022Publication date: August 25, 2022Inventors: AKIHIRO KOMATSU, Ken Ozawa
-
Patent number: 11054304Abstract: An imaging device and method are provided. Light from an object is provided as a plurality of sets of light beams to a phase difference array having a plurality of elements. The phase difference array is configured to provide different optical paths for light included within at least some of a plurality of sets of light beams. The light from the phase difference array is received at an imaging element array. The imaging element array includes a plurality of imaging elements. Information obtained from hyperspectral imaging data based on output signals of the imaging element array can be displayed.Type: GrantFiled: June 17, 2015Date of Patent: July 6, 2021Assignee: Sony CorporationInventor: Ken Ozawa
-
Patent number: 11031423Abstract: An imaging element includes a plurality of photoelectric conversion sections. The photoelectric conversion sections are arrayed on a substrate to receive light incident through a dual-pass filter that has transmission bands for visible light and a predetermined range of near-infrared light. The photoelectric conversion sections include a visible light photoelectric conversion section and a near-infrared light photoelectric conversion section. The visible light photoelectric conversion section includes a red light photoelectric conversion section, a green light photoelectric conversion section, and a blue light photoelectric conversion section.Type: GrantFiled: July 8, 2020Date of Patent: June 8, 2021Assignee: SONY CORPORATIONInventor: Ken Ozawa
-
Patent number: 10955360Abstract: Systems and methods related to a structured illumination (SI)-based inspection apparatus are described. The SI-based inspection apparatus may be capable of accurately inspecting an inspection object in real time with high resolution, while reducing the loss of light. Also described are an inspection method, and a semiconductor device fabrication method including the SI-based inspection method. The inspection apparatus may include a light source configured to generate and output a light beam, a phase shifting grating (PSG) configured to convert the light beam from the light source into the SI, a beam splitter configured to cause the SI to be incident on an inspection object and output a reflected beam from the inspection object, a stage capable of moving the inspection object and on which the inspection object is arranged, and a time-delayed integration (TDI) camera configured to capture images of the inspection object by detecting the reflected beam.Type: GrantFiled: February 26, 2019Date of Patent: March 23, 2021Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Myung-jun Lee, Ken Ozawa, Wook-rae Kim, Gwang-sik Park, Ji-hoon Kang, Kwang-soo Kim
-
Publication number: 20200343286Abstract: An imaging element includes a plurality of photoelectric conversion sections. The photoelectric conversion sections are arrayed on a substrate to receive light incident through a dual-pass filter that has transmission bands for visible light and a predetermined range of near-infrared light. The photoelectric conversion sections include a visible light photoelectric conversion section and a near-infrared light photoelectric conversion section. The visible light photoelectric conversion section includes a red light photoelectric conversion section, a green light photoelectric conversion section, and a blue light photoelectric conversion section.Type: ApplicationFiled: July 8, 2020Publication date: October 29, 2020Applicant: SONY CORPORATIONInventor: Ken OZAWA
-
Publication number: 20200083269Abstract: An imaging element includes a plurality of photoelectric conversion sections. The photoelectric conversion sections are arrayed on a substrate to receive light incident through a dual-pass filter that has transmission bands for visible light and a predetermined range of near-infrared light. The photoelectric conversion sections include a visible light photoelectric conversion section and a near-infrared light photoelectric conversion section. The visible light photoelectric conversion section includes a red light photoelectric conversion section, a green light photoelectric conversion section, and a blue light photoelectric conversion section.Type: ApplicationFiled: September 20, 2019Publication date: March 12, 2020Applicant: SONY CORPORATIONInventor: Ken OZAWA
-
Publication number: 20200064276Abstract: Systems and methods related to a structured illumination (SI)-based inspection apparatus are described. The SI-based inspection apparatus may be capable of accurately inspecting an inspection object in real time with high resolution, while reducing the loss of light. Also described are an inspection method, and a semiconductor device fabrication method including the SI-based inspection method. The inspection apparatus may include a light source configured to generate and output a light beam, a phase shifting grating (PSG) configured to convert the light beam from the light source into the SI, a beam splitter configured to cause the SI to be incident on an inspection object and output a reflected beam from the inspection object, a stage capable of moving the inspection object and on which the inspection object is arranged, and a time-delayed integration (TDI) camera configured to capture images of the inspection object by detecting the reflected beam.Type: ApplicationFiled: February 26, 2019Publication date: February 27, 2020Inventors: MYUNG-JUN LEE, Ken Ozawa, Wook-rae Kim, Gwang-Sik Park, Ji-hoon Kang, Kwang-Soo Kim
-
Patent number: 10491841Abstract: An imaging apparatus that forms an image of a light beam transmitted through an imaging lens on an imaging element includes a laminated material that is provided on the imaging element, the light beam being transmitted through the laminated material, the laminated material being provided at a position at which an end portion of an upper surface of the laminated material allows an outermost light beam out of light beams to be transmitted therethrough, the light beams entering a pixel in an outer end portion of the imaging element in an effective pixel area, the position having a width Hopt.Type: GrantFiled: February 20, 2019Date of Patent: November 26, 2019Assignee: Sony CorporationInventors: Masanori Iwasaki, Ken Ozawa, Nobuyuki Matsuzawa, Daisuke Hobara, Nozomi Kimura
-
Patent number: 10461106Abstract: An imaging element includes a plurality of photoelectric conversion sections. The photoelectric conversion sections are arrayed on a substrate to receive light incident through a dual-pass filter that has transmission bands for visible light and a predetermined range of near-infrared light. The photoelectric conversion sections include a visible light photoelectric conversion section and a near-infrared light photoelectric conversion section. The visible light photoelectric conversion section includes a red light photoelectric conversion section, a green light photoelectric conversion section, and a blue light photoelectric conversion section.Type: GrantFiled: October 19, 2016Date of Patent: October 29, 2019Assignee: Sony CorporationInventor: Ken Ozawa
-
Patent number: 10429315Abstract: An imaging apparatus includes an illumination light source to output an illumination light, an illumination optical system to transmit the illumination light toward a sample, an imaging optical system to transmit light reflected from the sample, a stage to move the sample in a predetermined transfer direction, and a photographing unit to receive the reflected light. The imaging apparatus may include one or more diffraction grids located at conjugate focal planes of the sample. The operation of the photographing unit may be synchronized with a movement of the sample by the stage to obtain an image in accordance with a time delay integration method.Type: GrantFiled: July 17, 2018Date of Patent: October 1, 2019Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Akio Ishikawa, Ken Ozawa, Kwang-Soo Kim, Sean Park, Mitsunori Numata
-
Publication number: 20190191114Abstract: An imaging apparatus that forms an image of a light beam transmitted through an imaging lens on an imaging element includes a laminated material that is provided on the imaging element, the light beam being transmitted through the laminated material, the laminated material being provided at a position at which an end portion of an upper surface of the laminated material allows an outermost light beam out of light beams to be transmitted therethrough, the light beams entering a pixel in an outer end portion of the imaging element in an effective pixel area, the position having a width Hopt.Type: ApplicationFiled: February 20, 2019Publication date: June 20, 2019Applicant: Sony CorporationInventors: Masanori Iwasaki, Ken Ozawa, Nobuyuki Matsuzawa, Daisuke Hobara, Nozomi Kimura
-
Patent number: 10295743Abstract: Disclosed is an optical semiconductor device which can be improved in light shift precision and restrained from undergoing a loss in light transmission. In this device, an inner side-surface of a first optical coupling portion of an optical coupling region and an inner side-surface of a second optical coupling portion of the region are increased in line edge roughness. This manner makes light coupling ease from a first to second optical waveguide. By contrast, the following are decreased in line edge roughness: an outer side-surface of the first optical coupling portion of the optical coupling region; an outer side-surface of the second optical coupling portion of the region; two opposed side-surfaces of a portion of the first optical waveguide, the portion being any portion other than the region; and two opposed side-surfaces of a portion of the second optical waveguide, the portion being any portion other than the region.Type: GrantFiled: August 17, 2015Date of Patent: May 21, 2019Assignee: RENESAS ELECTRONICS CORPORATIONInventors: Hiroyuki Kunishima, Yasutaka Nakashiba, Masaru Wakabayashi, Shinichi Watanuki, Ken Ozawa, Tatsuya Usami, Yoshiaki Yamamoto, Keiji Sakamoto
-
Patent number: 10264198Abstract: An imaging apparatus that forms an image of a light beam transmitted through an imaging lens on an imaging element includes a laminated material that is provided on the imaging element, the light beam being transmitted through the laminated material, the laminated material being provided at a position at which an end portion of an upper surface of the laminated material allows an outermost light beam out of light beams to be transmitted therethrough, the light beams entering a pixel in an outer end portion of the imaging element in an effective pixel area, the position having a width Hopt.Type: GrantFiled: December 11, 2017Date of Patent: April 16, 2019Assignee: Sony CorporationInventors: Masanori Iwasaki, Ken Ozawa, Nobuyuki Matsuzawa, Daisuke Hobara, Nozomi Kimura
-
Publication number: 20190025226Abstract: An imaging apparatus includes an illumination light source to output an illumination light, an illumination optical system to transmit the illumination light toward a sample, an imaging optical system to transmit light reflected from the sample, a stage to move the sample in a predetermined transfer direction, and a photographing unit to receive the reflected light. The imaging apparatus may include one or more diffraction grids located at conjugate focal planes of the sample. The operation of the photographing unit may be synchronized with a movement of the sample by the stage to obtain an image in accordance with a time delay integration method.Type: ApplicationFiled: July 17, 2018Publication date: January 24, 2019Inventors: Akio ISHIKAWA, Ken OZAWA, Kwang-Soo KIM, Sean PARK, Mitsunori NUMATA
-
Publication number: 20190006406Abstract: An imaging element includes a plurality of photoelectric conversion sections. The photoelectric conversion sections are arrayed on a substrate to receive light incident through a dual-pass filter that has transmission bands for visible light and a predetermined range of near-infrared light. The photoelectric conversion sections include a visible light photoelectric conversion section and a near-infrared light photoelectric conversion section. The visible light photoelectric conversion section includes a red light photoelectric conversion section, a green light photoelectric conversion section, and a blue light photoelectric conversion section.Type: ApplicationFiled: October 19, 2016Publication date: January 3, 2019Applicant: SONY CORPORATIONInventor: Ken OZAWA
-
Publication number: 20180103220Abstract: An imaging apparatus that forms an image of a light beam transmitted through an imaging lens on an imaging element includes a laminated material that is provided on the imaging element, the light beam being transmitted through the laminated material, the laminated material being provided at a position at which an end portion of an upper surface of the laminated material allows an outermost light beam out of light beams to be transmitted therethrough, the light beams entering a pixel in an outer end portion of the imaging element in an effective pixel area, the position having a width Hopt.Type: ApplicationFiled: December 11, 2017Publication date: April 12, 2018Inventors: Masanori Iwasaki, Ken Ozawa, Nobuyuki Matsuzawa, Daisuke Hobara, Nozomi Kimura
-
Patent number: 9888193Abstract: An imaging apparatus that forms an image of a light beam transmitted through an imaging lens on an imaging element includes a laminated material that is provided on the imaging element, the light beam being transmitted through the laminated material, the laminated material being provided at a position at which an end portion of an upper surface of the laminated material allows an outermost light beam out of light beams to be transmitted therethrough, the light beams entering a pixel in an outer end portion of the imaging element in an effective pixel area, the position having a width Hopt.Type: GrantFiled: July 11, 2017Date of Patent: February 6, 2018Assignee: Sony CorporationInventors: Masanori Iwasaki, Ken Ozawa, Nobuyuki Matsuzawa, Daisuke Hobara, Nozomi Kimura