Patents by Inventor Hsiang-Han Hsu
Hsiang-Han Hsu 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: 11914204Abstract: An optical connector device is provided. The optical connector device includes a semiconductor package including a receptacle and a lid. The optical connector device also included an adapter attached to the lid of the semiconductor package, and a connector removably attached to the adapter. The adapter includes a convex part adapted to fit into an adapter opening of the lid, an adapter recess adapted to accommodate at least a portion of the connector, and a first retainer in the adapter recess to removably attach the connector to the adapter at a predetermined position. The connector includes an optical fiber array corresponding to the receptacle and extending in a vertical direction with respect to a plane of the semiconductor package, a second retainer used in conjunction with the first retainer, and a biasing member to bias a portion of the connector toward the semiconductor package.Type: GrantFiled: October 1, 2020Date of Patent: February 27, 2024Assignee: International Business Machines CorporationInventors: Masao Tokunari, Koji Masuda, Hsiang Han Hsu
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Publication number: 20230197208Abstract: A computer implemented method of modifying molecular structures constrained by a budget is provided. The computer implemented method includes receiving from a user a subset of molecules, where each molecule is represented as a generation path, and receiving from the user an allotted budget for modifying a selection of molecules from the subset of molecules. The computer implemented method further includes testing a first molecule, and reducing the allotted budget based on the resources expended to test the first molecule. The computer implemented method further includes testing a second molecule, and reducing the allotted budget based on the resources expended to test the second molecule. The computer implemented method further includes determining a remaining amount of the allotted budget, and testing additional molecules from the subset of molecules until the allotted budget is exhausted. The computer implemented method further includes presenting the tested molecules to the user.Type: ApplicationFiled: December 22, 2021Publication date: June 22, 2023Inventors: AKIHIRO KISHIMOTO, TOSHIYUKI HAMA, Hsiang Han Hsu, Djallel BOUNEFFOUF
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Publication number: 20230046390Abstract: A method and system of discovering materials for use in carbon dioxide separation includes extracting references to chemical molecules from online sources. The extracted references are encoded into chemical formulas. Molecular properties are calculated from the encoded chemical formulas. Features are extracted from the chemical formulas. Molecular properties of predicted molecular structures are predicted through a machine learning engine. The predicted molecular properties are based on the calculated molecular properties and extracted features. Target properties for predicted molecular structures are defined. Synthesized molecular structures are generated. The synthesized molecular structures include predicted molecular properties satisfying the defined target properties.Type: ApplicationFiled: August 12, 2021Publication date: February 16, 2023Inventors: Ronaldo Giro, Mathias B. Steiner, Hsiang Han Hsu, Akihiro Kishimoto, Seiji Takeda
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Publication number: 20220107478Abstract: An optical connector device is provided. The optical connector device includes a semiconductor package including a receptacle and a lid. The optical connector device also included an adapter attached to the lid of the semiconductor package, and a connector removably attached to the adapter. The adapter includes a convex part adapted to fit into an adapter opening of the lid, an adapter recess adapted to accommodate at least a portion of the connector, and a first retainer in the adapter recess to removably attach the connector to the adapter at a predetermined position. The connector includes an optical fiber array corresponding to the receptacle and extending in a vertical direction with respect to a plane of the semiconductor package, a second retainer used in conjunction with the first retainer, and a biasing member to bias a portion of the connector toward the semiconductor package.Type: ApplicationFiled: October 1, 2020Publication date: April 7, 2022Inventors: MASAO TOKUNARI, Koji Masuda, Hsiang Han Hsu
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Publication number: 20200319405Abstract: A method for forming an embedded mirror structure is disclosed. The method includes preparing a structure that has a substrate and a waveguide layer on the substrate. The waveguide layer includes a core. Also, the waveguide has a top surface and a cavity side surface that defines a cavity opened at the top surface and aligned to the core. The method further includes coating metal particles on the cavity side surface inside the cavity of the waveguide layer to form a metal particle film on the cavity side surface.Type: ApplicationFiled: April 3, 2019Publication date: October 8, 2020Inventors: Hsiang Han Hsu, Masao Tokunari, Koji Masuda
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Patent number: 10775573Abstract: A method for forming an embedded mirror structure is disclosed. The method includes preparing a structure that has a substrate and a waveguide layer on the substrate. The waveguide layer includes a core. Also, the waveguide has a top surface and a cavity side surface that defines a cavity opened at the top surface and aligned to the core. The method further includes coating metal particles on the cavity side surface inside the cavity of the waveguide layer to form a metal particle film on the cavity side surface.Type: GrantFiled: April 3, 2019Date of Patent: September 15, 2020Assignee: International Business Machines CorporationInventors: Hsiang Han Hsu, Masao Tokunari, Koji Masuda
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Patent number: 10365425Abstract: A method for fabricating an optical waveguide crossing structure. The method includes preparing a plate structure including a crossing part array and a guiding part array, each crossing part of the crossing part array being arranged at a gap from a plurality of guiding parts of the guiding part array. The method further includes preparing a waveguide structure including a first waveguide core array, a second waveguide core array and a tank, the tank being formed by removing a crossing region of the first waveguide core array and the second waveguide core array. The method further includes injecting an underfill into the tank. The method further includes depositing the plate structure on the waveguide structure so that the crossing part array and the guiding part array are inserted in the tank. The method further includes curing the underfill.Type: GrantFiled: July 11, 2018Date of Patent: July 30, 2019Assignee: International Business Machines CorporationInventors: Jean Benoit Héroux, Hsiang Han Hsu
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Patent number: 10302862Abstract: A waveguide corner structure includes a plate on which mirrors are formed; and a waveguide member including waveguide cores and holes, each of the holes being drilled in a portion replacing an angular bent portion of corresponding waveguide cores. The plate is mounted on the waveguide member so that each of the mirrors is inserted in corresponding one of the holes for a change of a direction of a light beam at the portion of corresponding waveguide cores.Type: GrantFiled: October 30, 2017Date of Patent: May 28, 2019Assignee: International Business Machines CorporationInventors: Jean Benoit Heroux, Hsiang Han Hsu
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Patent number: 10268006Abstract: An optical interconnect structure includes a lens array and a waveguide substrate. The lens array has a dummy lens. The waveguide substrate has a dummy core, a dummy mirror corresponding to the dummy core, and an inspection opening for injecting inspection light into the dummy core to reach the dummy mirror. In the optical interconnect structure, the lens array is mounted on the waveguide substrate such that the dummy lens of the lens array is positioned on the dummy mirror by monitoring inspection light from the inspection opening.Type: GrantFiled: March 8, 2018Date of Patent: April 23, 2019Assignee: International Business Machines CorporationInventor: Hsiang Han Hsu
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Publication number: 20180284346Abstract: A waveguide corner structure includes a plate on which mirrors are formed; and a waveguide member including waveguide cores and holes, each of the holes being drilled in a portion replacing an angular bent portion of corresponding waveguide cores. The plate is mounted on the waveguide member so that each of the mirrors is inserted in corresponding one of the holes for a change of a direction of a light beam at the portion of corresponding waveguide cores.Type: ApplicationFiled: October 30, 2017Publication date: October 4, 2018Inventors: Jean Benoit Heroux, Hsiang Han Hsu
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Publication number: 20180284344Abstract: A waveguide corner structure includes a plate on which mirrors are formed; and a waveguide member including waveguide cores and holes, each of the holes being drilled in a portion replacing an angular bent portion of corresponding waveguide cores. The plate is mounted on the waveguide member so that each of the mirrors is inserted in corresponding one of the holes for a change of a direction of a light beam at the portion of corresponding waveguide cores.Type: ApplicationFiled: March 29, 2017Publication date: October 4, 2018Inventors: Jean Benoit Heroux, Hsiang Han Hsu
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Patent number: 10088627Abstract: A waveguide corner structure includes a plate on which mirrors are formed; and a waveguide member including waveguide cores and holes, each of the holes being drilled in a portion replacing an angular bent portion of corresponding waveguide cores. The plate is mounted on the waveguide member so that each of the mirrors is inserted in corresponding one of the holes for a change of a direction of a light beam at the portion of corresponding waveguide cores.Type: GrantFiled: March 29, 2017Date of Patent: October 2, 2018Assignee: International Business Machines CorporationInventors: Jean Benoit Heroux, Hsiang Han Hsu
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Publication number: 20180196207Abstract: An optical interconnect structure includes a lens array and a waveguide substrate. The lens array has a dummy lens. The waveguide substrate has a dummy core, a dummy mirror corresponding to the dummy core, and an inspection opening for injecting inspection light into the dummy core to reach the dummy mirror. In the optical interconnect structure, the lens array is mounted on the waveguide substrate such that the dummy lens of the lens array is positioned on the dummy mirror by monitoring inspection light from the inspection opening.Type: ApplicationFiled: March 8, 2018Publication date: July 12, 2018Inventor: Hsiang Han Hsu
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Patent number: 9971111Abstract: An optical interconnect structure includes a lens array and a waveguide substrate. The lens array has a dummy lens. The waveguide substrate has a dummy core, a dummy mirror corresponding to the dummy core, and an inspection opening for injecting inspection light into the dummy core to reach the dummy mirror. In the optical interconnect structure, the lens array is mounted on the waveguide substrate such that the dummy lens of the lens array is positioned on the dummy mirror by monitoring inspection light from the inspection opening.Type: GrantFiled: November 6, 2017Date of Patent: May 15, 2018Assignee: International Business Machines CorporationInventor: Hsiang Han Hsu
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Patent number: 9971110Abstract: An optical interconnect structure includes a lens array and a waveguide substrate. The lens array has a dummy lens. The waveguide substrate has a dummy core, a dummy mirror corresponding to the dummy core, and an inspection opening for injecting inspection light into the dummy core to reach the dummy mirror. In the optical interconnect structure, the lens array is mounted on the waveguide substrate such that the dummy lens of the lens array is positioned on the dummy mirror by monitoring inspection light from the inspection opening.Type: GrantFiled: January 6, 2017Date of Patent: May 15, 2018Assignee: International Business Machines CorporationInventor: Hsiang Han Hsu
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Patent number: 9484482Abstract: A light coupling structure is provided that includes a diffractive grating coupler, a total internal reflection (TIR) mirror, and a polymer waveguide. The TIR mirror is formed within the polymer waveguide to direct light signals between the diffractive grating coupler and the polymer waveguide.Type: GrantFiled: June 24, 2015Date of Patent: November 1, 2016Assignee: International Business Machines CorporationInventors: Hsiang Han Hsu, Shigeru Nakagawa
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Publication number: 20150378095Abstract: A light coupling structure is provided that includes a diffractive grating coupler, a total internal reflection (TIR) minor, and a polymer waveguide. The TIR minor is formed within the polymer waveguide to direct light signals between the diffractive grating coupler and the polymer waveguide.Type: ApplicationFiled: June 24, 2015Publication date: December 31, 2015Inventors: Hsiang Han Hsu, Shigeru Nakagawa
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Patent number: 7477408Abstract: A system and a method for thickness measurement that comprises providing a first confocal microscope, emitting a first light beam from the first confocal microscope in a first direction, focusing the first beam at a first focal plane, providing a second confocal microscope, emitting a second light beam from the second confocal microscope in a second direction substantially opposed to the first direction, focusing the second beam at a second focal plane, and adjusting the relative position of the first and second microscopes by overlapping the first and second focal planes.Type: GrantFiled: March 7, 2006Date of Patent: January 13, 2009Assignee: Industrial Technology Research InstituteInventors: Kai-Yu Cheng, Yen-Liang Chen, Hsiang-Han Hsu, Yi-Ching Chen, Yu-Ping Lan
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Publication number: 20070070360Abstract: A system and a method for thickness measurement that comprises providing a first confocal microscope, emitting a first light beam from the first confocal microscope in a first direction, focusing the first beam at a first focal plane, providing a second confocal microscope, emitting a second light beam from the second confocal microscope in a second direction substantially opposed to the first direction, focusing the second beam at a second focal plane, and adjusting the relative position of the first and second microscopes by overlapping the first and second focal planes.Type: ApplicationFiled: March 7, 2006Publication date: March 29, 2007Inventors: Kai-Yu Cheng, Yen-Liang Chen, Hsiang-Han Hsu, Yi-Ching Chen, Yu-Ping Lan