Patents by Inventor Geum-Hee Yun

Geum-Hee Yun 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: 20240217885
    Abstract: A dispersant includes a polyvinyl acetal-based resin having a degree of polymerization in a range from 100 to 200, an amount of hydroxyl groups in a range from 4 mol % to 40 mol %, an amount of acetal groups in a range from 40 mol % to 95 mol %, and an amount of acetyl groups in a range from 1 mol % to 20 mol %.
    Type: Application
    Filed: May 17, 2023
    Publication date: July 4, 2024
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Tae Min Kim, Hyun Gyoo Roh, Geum Hee Yun, Kyung Min Ok, Myung Hyun Jo, Ye Ri Yu
  • Publication number: 20240182696
    Abstract: A dispersant according to an example embodiment of the present disclosure includes a polyvinyl acetal-based resin satisfying a degree of polymerization of 100 or more and 500 or less, a molecular weight of 10000 g/mol or more and 30000 g/mol or less, and an average diameter of 400 ?m or more and 5500 ?m or less.
    Type: Application
    Filed: March 28, 2023
    Publication date: June 6, 2024
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Tae Min Kim, Geum Hee Yun, Hyun Gyoo Roh, Kyung Min Ok, Myung Hyun Jo, Ye Ri Yu
  • Patent number: 10923284
    Abstract: A capacitor component includes a body including dielectric layers and internal electrodes alternately arranged with the dielectric layers; and external electrodes including electrode layers disposed on the body and connected to the internal electrodes, first conductive resin layers disposed on the electrode layers, and second conductive resin layers disposed on the first conductive resin layers, wherein the first and second conductive resin layers include a metal powder and a base resin, the first conductive resin layers have a lower metal powder content than the second conductive resin layers, the metal powder includes one or more of flake-type powder particle and spherical-type powder particle, and a weight ratio of the flake-type powder particle in the metal powder contained in the first conductive resin layers is 60% or more, and a weight ratio of the spherical-type powder particle in the metal powder contained in the second conductive resin layers is 50% or more.
    Type: Grant
    Filed: June 14, 2019
    Date of Patent: February 16, 2021
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Geum Hee Yun, Hwa Young Lee, Kwan Yeol Paek, Jeong Wook Seo, Ha Yong Jung
  • Publication number: 20200185153
    Abstract: A capacitor component includes a body including dielectric layers and internal electrodes alternately arranged with the dielectric layers; and external electrodes including electrode layers disposed on the body and connected to the internal electrodes, first conductive resin layers disposed on the electrode layers, and second conductive resin layers disposed on the first conductive resin layers, wherein the first and second conductive resin layers include a metal powder and a base resin, the first conductive resin layers have a lower metal powder content than the second conductive resin layers, the metal powder includes one or more of flake-type powder particle and spherical-type powder particle, and a weight ratio of the flake-type powder particle in the metal powder contained in the first conductive resin layers is 60% or more, and a weight ratio of the spherical-type powder particle in the metal powder contained in the second conductive resin layers is 50% or more.
    Type: Application
    Filed: June 14, 2019
    Publication date: June 11, 2020
    Inventors: Geum Hee YUN, Hwa Young LEE, Kwan Yeol PAEK, Jeong Wook SEO, Ha Yong JUNG
  • Patent number: 10283426
    Abstract: A fan-out semiconductor package includes: a semiconductor chip having an active surface with connection pads disposed thereon and an inactive surface opposing the active surface; an encapsulant encapsulating at least portions of the semiconductor chip; and a first connection member disposed on the active surface of the semiconductor chip, wherein the encapsulant is a cured photosensitive resin composition including a thermosetting resin, a carboxylic resin, an ethylenically unsaturated compound, and a reinforcing agent. The photosensitive resin composition may be used in the fan-out semiconductor package.
    Type: Grant
    Filed: June 29, 2017
    Date of Patent: May 7, 2019
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Geum Hee Yun, Hwa Young Lee, Su Yeon Lee, Yong Jin Park, Soo Young Yoon
  • Publication number: 20190121235
    Abstract: A photo-curable and thermo-curable resin composition includes an epoxy resin including an epoxy group; a carboxyl group-containing photosensitive resin; a photopolymerization initiator; and a filler, wherein a value of an equivalent number of the epoxy group/an equivalent number of the carboxyl group is from more than 1 to less than 2.
    Type: Application
    Filed: May 18, 2018
    Publication date: April 25, 2019
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Geum-Hee YUN, Hwa-Young LEE, Seol-Ah CHONG
  • Publication number: 20180305509
    Abstract: A molded product includes a body comprising a light-shielding photosensitive resin. The light-shielding photosensitive resin has a tinting strength having an L value equal than or less than 40, an a* value of ?40 to ?10, and a b* value less than or equal to 5 in the L*a*b* color space (CIE colorimetric system), and the light-shielding photosensitive resin has a directed transmittance (% T) of less than 10% at a wavelength band of 200 nm to 700 nm.
    Type: Application
    Filed: November 30, 2017
    Publication date: October 25, 2018
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Geum-Hee YUN, Seol-Ah CHONG, Hwa-Young LEE, Ji-Hye SHIM, Sang-Eun SHIN
  • Publication number: 20180102297
    Abstract: A fan-out semiconductor package includes: a semiconductor chip having an active surface with connection pads disposed thereon and an inactive surface opposing the active surface; an encapsulant encapsulating at least portions of the semiconductor chip; and a first connection member disposed on the active surface of the semiconductor chip, wherein the encapsulant is a cured photosensitive resin composition including a thermosetting resin, a carboxylic resin, an ethylenically unsaturated compound, and a reinforcing agent. The photosensitive resin composition may be used in the fan-out semiconductor package.
    Type: Application
    Filed: June 29, 2017
    Publication date: April 12, 2018
    Inventors: Geum Hee YUN, Hwa Young LEE, Su Yeon LEE, Yong Jin PARK, Soo Young YOON
  • Publication number: 20160237303
    Abstract: A resin composition for a printed circuit includes a first resin having a polycyclic group; a second resin having an imide group conjugated to at least one cyclic group; and a hardening accelerator having two or more functional groups, wherein the resin composition does not include a hardening agent.
    Type: Application
    Filed: November 24, 2015
    Publication date: August 18, 2016
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Geum-Hee YUN, Dae-Hui JO, Seong-Hyun YOO, Keung-Jin SOHN, Jin-Young KIM
  • Publication number: 20150147542
    Abstract: A resin composition for a printed circuit board and a printed circuit board formed of the same. The resin composition for a printed circuit board may have: a liquid crystal oligomer including a structural unit of the Chemical Formula 1 and a structural unit of the Chemical Formula 2 and including a functional group of the Chemical Formula E on at least one end; and an ether-type naphthalene-based epoxy resin of Chemical Formula N. According to an exemplary embodiment, even though a printed circuit board becomes light, thin, and miniaturized, electric, thermal, and mechanical stability of the printed circuit board may be secured.
    Type: Application
    Filed: July 18, 2014
    Publication date: May 28, 2015
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Jin Seok MOON, Dae Hui Jo, Seong Hyun Yoo, Hyun Jun Lee, Jin Young Kim, Geum Hee Yun
  • Patent number: 9035738
    Abstract: Disclosed herein is a multilayer inductor, manufactured by stacking laminates each including: a substrate having internal electrode coil patterns formed thereon; and a magnetic substance filling the substrate on which the internal electrode coil patterns are formed, wherein the substrate is formed by using a composition including a magnetic material, so that, when the substrate is placed in the middle of the electrode circuit patterns at the time of manufacturing a power inductor, the substrate can be utilized as a gap material, and thus the thickness of an inductor chip can be minimized, and, in addition, the magnetic material is included in the substrate forming composition, thereby improving magnetic characteristics, and the liquid crystal oligomer and the nanoclay are added to the composition, to thereby increase insulating property between magnetic metals, thereby raising inductance, and thus dimensional stability and physical hardness of the structure can be secured.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: May 19, 2015
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Sa Yong Lee, Jin Young Kim, Keun Yong Lee, Geum Hee Yun, Moon Soo Park
  • Publication number: 20150114693
    Abstract: Disclosed herein are an insulating resin composition for a printed circuit board, and an insulating film, a prepreg, a copper clad laminate, or a printed circuit board manufactured by using the same. More specifically, the insulating resin composition contains an eucryptite inorganic filler having a negative coefficient of thermal expansion, such that a glass transition temperature and a coefficient of thermal expansion may be improved, and warpage of the insulating film, the prepreg, the copper clad laminate, or the printed circuit board manufactured by using the insulating resin composition for a printed circuit board may be minimized.
    Type: Application
    Filed: March 3, 2014
    Publication date: April 30, 2015
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Jin Seok Moon, Geum Hee Yun, Dae Hui Jo, Seong Hyun Yoo, Hyun Jun Lee, Jin Young Kim, Keung Jin Sohn
  • Publication number: 20150065608
    Abstract: Disclosed herein are an insulating resin composition for a printed circuit board and products manufactured by using the same, and more particularly, an insulating resin composition for a printed circuit board including an amino triazine novolac curing agent having an amino group and a hydroxyl group to have improved coefficient of thermal expansion and glass transition temperature properties, and improved acid resistant property that discoloration of the product is not generated, and an insulating film and a prepreg as products manufactured by using the same.
    Type: Application
    Filed: April 9, 2014
    Publication date: March 5, 2015
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Geum Hee Yun, Jin Seok Moon, Dae Hui Jo, Seong Hyun Yoo, Hyun Jun Lee, Jin Young Kim
  • Publication number: 20150057393
    Abstract: Disclosed herein are an insulating resin composition for a printed circuit board and products manufactured by using the same, and more particularly, an insulating resin composition for a printed circuit board including a 4-functional naphthalene-based epoxy resin and having improved coefficient of thermal expansion and glass transition temperature properties, and a prepreg and a printed circuit board as products manufactured by using the same.
    Type: Application
    Filed: December 3, 2013
    Publication date: February 26, 2015
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jin Seok Moon, Hyun Jun Lee, Seong Hyun Yoo, Jin Young Kim, Geum Hee Yun
  • Publication number: 20150027763
    Abstract: An inorganic filler has a negative coefficient of thermal expansion, and a shell thereon that decreases diffusion of ions contained in the inorganic filler to outside of the shell and organic filler.
    Type: Application
    Filed: December 30, 2013
    Publication date: January 29, 2015
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Jin Ho HONG, Geum Hee Yun, Dae Hui Jo, Sa Yong Lee, Jin Young Kim, Keun Yong Lee
  • Publication number: 20140367147
    Abstract: Disclosed herein are an insulating resin composition for a printed circuit board, an insulating film, a prepreg, and a printed circuit board. More specifically, disclosed herein are an insulating resin composition for a printed circuit board including a maleimide resin having three or more maleimide groups, and the like so that a glass transition temperature and a mechanical strength are improved, an insulating film and a prepreg prepared using the insulating resin composition, and a printed circuit board including the insulating film or the prepreg.
    Type: Application
    Filed: February 4, 2014
    Publication date: December 18, 2014
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Jin Seok Moon, Hyun Jun Lee, Seong Hyun Yoo, Jin Young Klm, Geum Hee Yun
  • Publication number: 20140154479
    Abstract: Disclosed herein is a resin composition for a printed circuit board, including: a liquid crystalline oligomer; an epoxy resin; and an inorganic filler which is a reaction product of silica, silane having a vinyl group and an alkoxy group, and vinyl or hydroxyl terminated silicone oil. The resin composition has a low thermal expansion coefficient, excellent heat resistance and a high glass transition temperature.
    Type: Application
    Filed: March 17, 2013
    Publication date: June 5, 2014
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Geum Hee Yun, Jin Ho Hong, Sa Yong Lee, Jin Young Kim, Keun Yong Lee
  • Publication number: 20140145812
    Abstract: Disclosed herein is a multilayer inductor, manufactured by stacking laminates each including: a substrate having internal electrode coil patterns formed thereon; and a magnetic substance filling the substrate on which the internal electrode coil patterns are formed, wherein the substrate is formed by using a composition including a magnetic material, so that, when the substrate is placed in the middle of the electrode circuit patterns at the time of manufacturing a power inductor, the substrate can be utilized as a gap material, and thus the thickness of an inductor chip can be minimized, and, in addition, the magnetic material is included in the substrate forming composition, thereby improving magnetic characteristics, and the liquid crystal oligomer and the nanoclay are added to the composition, to thereby increase insulating property between magnetic metals, thereby raising inductance, and thus dimensional stability and physical hardness of the structure can be secured.
    Type: Application
    Filed: March 15, 2013
    Publication date: May 29, 2014
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Sa Yong LEE, Jin Young KIM, Keun Yong LEE, Geum Hee YUN, Moon Soo PARK
  • Publication number: 20140076198
    Abstract: Disclosed herein are an epoxy resin composition for insulation, and an insulating film, a prepreg, and a printed circuit board, manufactured using the same, the epoxy resin composition including: a chitin nanoparticle or a chitin nanofiber; a liquid crystal oligomer or a soluble liquid crystal thermosetting oligomer; an epoxy resin; and an inorganic filler, so that the epoxy resin composition, the insulating film, and the prepreg can have a low coefficient of thermal expansion, a high glass transition temperature, and high rigidity.
    Type: Application
    Filed: January 7, 2013
    Publication date: March 20, 2014
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jin Young Kim, Sa Yong Lee, Geum Hee Yun, Keun Yong Lee
  • Patent number: 8101248
    Abstract: Disclosed herein is a composition for forming a substrate, including: a compound prepared by polymerizing a liquid crystal thermosetting oligomer having one or more soluble structural units in a main chain thereof and having a thermosetting group at one or more of two ends of the main chain thereof with a fluorine compound having a functional group which can react with the main chain of the liquid crystal thermosetting oligomer.
    Type: Grant
    Filed: January 22, 2010
    Date of Patent: January 24, 2012
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Geum Hee Yun, Jun Rok Oh, Keun Yong Lee