Patents by Inventor Sahnggi Park

Sahnggi Park 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: 20230287245
    Abstract: According to embodiments, a method for manufacturing an optical module may include: applying a polyamic acid solution to an upper surface of a substrate structure to form an adhesive layer; forming an active functional group on an upper surface of the adhesive layer; applying a polyamic acid solution to a first surface of a prism to form a prism adhesive layer; forming a polyamic acid layer on at least one of a planarized upper surface of the adhesive layer and a lower surface of the prism adhesive layer; disposing the prism on the substrate structure such that the polyamic acid layer contacts the adhesive layer and the prism adhesive layer; and applying pressure to the prism and the substrate structure to bond the adhesive layer to the prism adhesive layer.
    Type: Application
    Filed: May 19, 2023
    Publication date: September 14, 2023
    Applicant: OPROCESSOR INC
    Inventors: Sahnggi PARK, Kyungeun KIM
  • Patent number: 11746259
    Abstract: According to embodiments, a method for manufacturing an optical module may include: applying a polyamic acid solution to an upper surface of a substrate structure to form an adhesive layer; forming an active functional group on an upper surface of the adhesive layer; applying a polyamic acid solution to a first surface of a prism to form a prism adhesive layer; forming a polyamic acid layer on at least one of a planarized upper surface of the adhesive layer and a lower surface of the prism adhesive layer; disposing the prism on the substrate structure such that the polyamic acid layer contacts the adhesive layer and the prism adhesive layer; and applying pressure to the prism and the substrate structure to bond the adhesive layer to the prism adhesive layer.
    Type: Grant
    Filed: January 10, 2020
    Date of Patent: September 5, 2023
    Assignee: OPROCESSOR INC
    Inventors: Sahnggi Park, Kyungeun Kim
  • Patent number: 11300740
    Abstract: An optical module package may include a package substrate, an interposer on the package substrate, and a first semiconductor chip and a second semiconductor chip on the interposer. The interposer may include a silicon substrate having a first surface, which is adjacent to the package substrate, and a second surface, which is opposite to the first surface and adjacent to the first and second semiconductor chips, a penetration electrode penetrating the silicon substrate, a lower interconnection layer disposed on the first surface of the silicon substrate, and an optical waveguide, a first optical module, and a second optical module disposed in a lower portion of the lower interconnection layer. The first optical module may include a light source providing light into the optical waveguide, and the second optical module may include a photodetector receiving the light.
    Type: Grant
    Filed: March 27, 2021
    Date of Patent: April 12, 2022
    Assignee: OPROCESSOR INC
    Inventor: Sahnggi Park
  • Patent number: 11249261
    Abstract: The present invention includes a substrate, an optical waveguide on the substrate, a light source configured to provide light into the optical waveguide, and a prism between the light source and the optical waveguide. The light source includes a lens.
    Type: Grant
    Filed: August 30, 2019
    Date of Patent: February 15, 2022
    Assignee: OPROCESSOR INC
    Inventors: Sahnggi Park, Kyungeun Kim
  • Publication number: 20210214580
    Abstract: According to embodiments, a method for manufacturing an optical module may include: applying a polyamic acid solution to an upper surface of a substrate structure to form an adhesive layer; forming an active functional group on an upper surface of the adhesive layer; applying a polyamic acid solution to a first surface of a prism to form a prism adhesive layer; forming a polyamic acid layer on at least one of a planarized upper surface of the adhesive layer and a lower surface of the prism adhesive layer; disposing the prism on the substrate structure such that the polyamic acid layer contacts the adhesive layer and the prism adhesive layer; and applying pressure to the prism and the substrate structure to bond the adhesive layer to the prism adhesive layer.
    Type: Application
    Filed: January 10, 2020
    Publication date: July 15, 2021
    Applicant: OPROCESSOR INC
    Inventors: Sahnggi PARK, Kyungeun KIM
  • Publication number: 20210063653
    Abstract: The present invention includes a substrate, an optical waveguide on the substrate, a light source configured to provide light into the optical waveguide, and a prism between the light source and the optical waveguide. The light source includes a lens.
    Type: Application
    Filed: August 30, 2019
    Publication date: March 4, 2021
    Applicant: OPROCESSOR INC
    Inventors: Sahnggi PARK, Kyungeun KIM
  • Patent number: 9900098
    Abstract: An optical device module includes a substrate, an interlayer insulating layer on the substrate, an optical waveguide on the interlayer insulating layer, an optical device on the optical waveguide, and a prism disposed between the optical device and the optical waveguide. The prism has a refractive index greater than a refractive index of the optical waveguide.
    Type: Grant
    Filed: April 10, 2015
    Date of Patent: February 20, 2018
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Sahnggi Park, Sang Gi Kim, Seong Wook Yoo, Gyungock Kim
  • Patent number: 9423567
    Abstract: Provided are an optical module, an optical communication apparatus, and an information processing system including the same. The optical module includes a lower clad layer, an optical waveguide extended in one direction on the lower clad layer, an optical device on the optical waveguide, a prism disposed between the optical device and the optical waveguide and having a higher refractive index than the optical waveguide, a housing covering the prism and the optical device, and an electrode layer adjacent to the prism and disposed between the housing and the optical waveguide.
    Type: Grant
    Filed: February 3, 2014
    Date of Patent: August 23, 2016
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventor: Sahnggi Park
  • Publication number: 20150215045
    Abstract: An optical device module includes a substrate, an interlayer insulating layer on the substrate, an optical waveguide on the interlayer insulating layer, an optical device on the optical waveguide, and a prism disposed between the optical device and the optical waveguide. The prism has a refractive index greater than a refractive index of the optical waveguide.
    Type: Application
    Filed: April 10, 2015
    Publication date: July 30, 2015
    Inventors: Sahnggi PARK, Sang Gi KIM, Seong Wook YOO, Gyungock KIM
  • Patent number: 9031365
    Abstract: An optical device module includes a substrate, an interlayer insulating layer on the substrate, an optical waveguide on the interlayer insulating layer, an optical device on the optical waveguide, and a prism disposed between the optical device and the optical waveguide. The prism has a refractive index greater than a refractive index of the optical waveguide.
    Type: Grant
    Filed: July 2, 2013
    Date of Patent: May 12, 2015
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Sahnggi Park, Sang Gi Kim, Seong Wook Yoo, Gyungock Kim
  • Publication number: 20150010274
    Abstract: Provided are an optical module, an optical communication apparatus, and an information processing system including the same. The optical module includes a lower clad layer, an optical waveguide extended in one direction on the lower clad layer, an optical device on the optical waveguide, a prism disposed between the optical device and the optical waveguide and having a higher refractive index than the optical waveguide, a housing covering the prism and the optical device, and an electrode layer adjacent to the prism and disposed between the housing and the optical waveguide.
    Type: Application
    Filed: February 3, 2014
    Publication date: January 8, 2015
    Applicant: Electronics and Telecommunications Research Institute
    Inventor: Sahnggi PARK
  • Patent number: 8903208
    Abstract: Provided are a waveguide with a reduced phase error and a photonics device including the same. The waveguide structure may include a lower clad, a core pattern with at least one bending region, on the lower clad, a beam deflecting pattern on the core pattern, and an upper clad covering the core pattern provided with the beam deflecting pattern. The beam deflecting pattern may be formed of a material, whose refractive index may be higher than that of the upper clad and may be lower than or equivalent to that of the core pattern, and the beam deflecting pattern has an increasing and decreasing width or an oscillating width, when measured along the bending region.
    Type: Grant
    Filed: June 10, 2013
    Date of Patent: December 2, 2014
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Jaegyu Park, Sahnggi Park, Gyungock Kim
  • Publication number: 20140241662
    Abstract: An optical device module includes a substrate, an interlayer insulating layer on the substrate, an optical waveguide on the interlayer insulating layer, an optical device on the optical waveguide, and a prism disposed between the optical device and the optical waveguide. The prism has a refractive index greater than a refractive index of the optical waveguide.
    Type: Application
    Filed: July 2, 2013
    Publication date: August 28, 2014
    Inventors: Sahnggi PARK, Sang Gi KIM, Seong Wook YOO, Gyungock KIM
  • Patent number: 8761553
    Abstract: Provided is an optical network structure. To configure an optical network structure between hundreds or more of cores in a CPU, intersection between waveguides does not occur, and thus, the optical network structure enables two-way communication between all the cores without an optical switch disposed in an intersection point. The present invention enables a single chip optical network using a silicon photonics optical element, and a CPU chip configured with hundreds or thousands of cores can be developed.
    Type: Grant
    Filed: November 22, 2011
    Date of Patent: June 24, 2014
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Sahnggi Park, Gyungock Kim, In Gyoo Kim, Jeong Woo Park, Sang Hoon Kim, Do Won Kim
  • Publication number: 20140169729
    Abstract: Provided are a waveguide with a reduced phase error and a photonics device including the same. The waveguide structure may include a lower clad, a core pattern with at least one bending region, on the lower clad, a beam deflecting pattern on the core pattern, and an upper clad covering the core pattern provided with the beam deflecting pattern. The beam deflecting pattern may be formed of a material, whose refractive index may be higher than that of the upper clad and may be lower than or equivalent to that of the core pattern, and the beam deflecting pattern has an increasing and decreasing width or an oscillating width, when measured along the bending region.
    Type: Application
    Filed: June 10, 2013
    Publication date: June 19, 2014
    Inventors: Jaegyu PARK, Sahnggi PARK, Gyungock KIM
  • Patent number: 8644657
    Abstract: Provided is a method of tuning a resonance wavelength of a ring resonator. The method of tuning the resonance wavelength of a ring resonator includes preparing a ring resonator which contains a ring waveguide and a dielectric layer covering the ring waveguide, and heating the ring resonator to induce a refractive index phase change of the dielectric layer.
    Type: Grant
    Filed: July 1, 2011
    Date of Patent: February 4, 2014
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Sahnggi Park, Gyungock Kim
  • Patent number: 8548281
    Abstract: Provided is an electro-optic modulating device. The electro-optic modulating device includes an optical waveguide with a vertical structure and sidewalls of the vertical structure are used to configure a junction.
    Type: Grant
    Filed: August 31, 2010
    Date of Patent: October 1, 2013
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Gyungock Kim, Jeong Woo Park, Jongbum You, Sang Gi Kim, Sanghoon Kim, In Gyoo Kim, Jiho Joo, Duk Jun Kim, Dongwoo Suh, Sahnggi Park, Ki Seok Jang, Junghyung Pyo, Kap-Joong Kim, Do Won Kim, Dae Seo Park
  • Publication number: 20130156369
    Abstract: Provided is a ring resonator including first and second waveguides disposed spaced apart from each other, on a substrate, and at least one channel including at least one ring waveguide arranged in a row between the first and second waveguides. The first and second waveguides and the ring waveguide may be formed of silicon, a width of the ring waveguide may range from 0.7 ?m to 1.5 ?m, a height of the ring waveguide may range from 150 nm to 300 nm, and a space between the first and second waveguides and the ring waveguide most adjacent thereto may range from 250 nm to 1 mm.
    Type: Application
    Filed: June 28, 2012
    Publication date: June 20, 2013
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Sahnggi Park, Kap-Joong Kim, In Gyoo Kim, Gyungock Kim
  • Publication number: 20130153533
    Abstract: Methods for tuning a wavelength of an optical device are provided. According to the method, a core pattern may be formed on a substrate, a dielectric layer may be formed to cover the core pattern, and the dielectric layer may be thermally treated to increase a refractive index of the dielectric layer. The dielectric layer may include a silicon oxynitride layer.
    Type: Application
    Filed: September 12, 2012
    Publication date: June 20, 2013
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Sahnggi PARK, Gyungock KIM
  • Patent number: 8363314
    Abstract: Provided are a reflective semiconductor optical amplifier (R-SOA) and a superluminescent diode (SLD). The R-SOA includes: a substrate; an optical waveguide including a lower clad layer, an active layer independent of the polarization of light, and an upper clad layer sequentially stacked on the substrate, the optical waveguide comprising linear, curved, and tapered waveguide areas; and a current blocking layer formed around the optical waveguide to block a flow of current out of the active layer, wherein the linear and curved waveguide areas have a single buried hetero (BH) structure, and the tapered waveguide area has a dual BH structure.
    Type: Grant
    Filed: February 28, 2011
    Date of Patent: January 29, 2013
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Su Hwan Oh, Sahnggi Park, Yongsoon Baek, Kwang-Ryong Oh