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).
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Publication number: 20230287245Abstract: 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: ApplicationFiled: May 19, 2023Publication date: September 14, 2023Applicant: OPROCESSOR INCInventors: Sahnggi PARK, Kyungeun KIM
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Patent number: 11746259Abstract: 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: GrantFiled: January 10, 2020Date of Patent: September 5, 2023Assignee: OPROCESSOR INCInventors: Sahnggi Park, Kyungeun Kim
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Patent number: 11300740Abstract: 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: GrantFiled: March 27, 2021Date of Patent: April 12, 2022Assignee: OPROCESSOR INCInventor: Sahnggi Park
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Patent number: 11249261Abstract: 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: GrantFiled: August 30, 2019Date of Patent: February 15, 2022Assignee: OPROCESSOR INCInventors: Sahnggi Park, Kyungeun Kim
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Publication number: 20210214580Abstract: 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: ApplicationFiled: January 10, 2020Publication date: July 15, 2021Applicant: OPROCESSOR INCInventors: Sahnggi PARK, Kyungeun KIM
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Publication number: 20210063653Abstract: 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: ApplicationFiled: August 30, 2019Publication date: March 4, 2021Applicant: OPROCESSOR INCInventors: Sahnggi PARK, Kyungeun KIM
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Patent number: 9900098Abstract: 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: GrantFiled: April 10, 2015Date of Patent: February 20, 2018Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Sahnggi Park, Sang Gi Kim, Seong Wook Yoo, Gyungock Kim
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Patent number: 9423567Abstract: 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: GrantFiled: February 3, 2014Date of Patent: August 23, 2016Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventor: Sahnggi Park
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Publication number: 20150215045Abstract: 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: ApplicationFiled: April 10, 2015Publication date: July 30, 2015Inventors: Sahnggi PARK, Sang Gi KIM, Seong Wook YOO, Gyungock KIM
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Patent number: 9031365Abstract: 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: GrantFiled: July 2, 2013Date of Patent: May 12, 2015Assignee: Electronics and Telecommunications Research InstituteInventors: Sahnggi Park, Sang Gi Kim, Seong Wook Yoo, Gyungock Kim
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Publication number: 20150010274Abstract: 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: ApplicationFiled: February 3, 2014Publication date: January 8, 2015Applicant: Electronics and Telecommunications Research InstituteInventor: Sahnggi PARK
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Patent number: 8903208Abstract: 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: GrantFiled: June 10, 2013Date of Patent: December 2, 2014Assignee: Electronics and Telecommunications Research InstituteInventors: Jaegyu Park, Sahnggi Park, Gyungock Kim
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Publication number: 20140241662Abstract: 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: ApplicationFiled: July 2, 2013Publication date: August 28, 2014Inventors: Sahnggi PARK, Sang Gi KIM, Seong Wook YOO, Gyungock KIM
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Patent number: 8761553Abstract: 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: GrantFiled: November 22, 2011Date of Patent: June 24, 2014Assignee: Electronics and Telecommunications Research InstituteInventors: Sahnggi Park, Gyungock Kim, In Gyoo Kim, Jeong Woo Park, Sang Hoon Kim, Do Won Kim
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Publication number: 20140169729Abstract: 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: ApplicationFiled: June 10, 2013Publication date: June 19, 2014Inventors: Jaegyu PARK, Sahnggi PARK, Gyungock KIM
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Patent number: 8644657Abstract: 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: GrantFiled: July 1, 2011Date of Patent: February 4, 2014Assignee: Electronics and Telecommunications Research InstituteInventors: Sahnggi Park, Gyungock Kim
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Patent number: 8548281Abstract: 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: GrantFiled: August 31, 2010Date of Patent: October 1, 2013Assignee: Electronics and Telecommunications Research InstituteInventors: 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
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Publication number: 20130156369Abstract: 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: ApplicationFiled: June 28, 2012Publication date: June 20, 2013Applicant: Electronics and Telecommunications Research InstituteInventors: Sahnggi Park, Kap-Joong Kim, In Gyoo Kim, Gyungock Kim
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METHOD FOR TUNING WAVELENGTH OF OPTICAL DEVICE USING REFRACTIVE INDEX QUASI-PHASE CHANGE AND ETCHING
Publication number: 20130153533Abstract: 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: ApplicationFiled: September 12, 2012Publication date: June 20, 2013Applicant: Electronics and Telecommunications Research InstituteInventors: Sahnggi PARK, Gyungock KIM -
Patent number: 8363314Abstract: 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: GrantFiled: February 28, 2011Date of Patent: January 29, 2013Assignee: Electronics and Telecommunications Research InstituteInventors: Su Hwan Oh, Sahnggi Park, Yongsoon Baek, Kwang-Ryong Oh