Patents by Inventor Woong Na

Woong Na 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).

  • Patent number: 11955286
    Abstract: A multilayer electronic component includes: a body including a dielectric layer, and an internal electrode alternately disposed with the dielectric layer; and an external electrode disposed on the body and connected to the internal electrode. A composite layer containing Sn and Ni is disposed at an interface between the internal electrode and the dielectric layer. The internal electrode includes an interface portion between the composite layer and a central portion of the internal electrode. The interface portion includes a ceramic additive.
    Type: Grant
    Filed: August 30, 2021
    Date of Patent: April 9, 2024
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jae Hoon Jeong, Hyun Woong Na, Yun Jeong Cha
  • Publication number: 20240080993
    Abstract: A method for forming through-via metal wiring is disclosed. According to the method, through-via metal wiring can be formed with excellent plating quality without an expensive sputtering process by bonding a metal foil to one side of a substrate having a through-via formed therein and using the foil as a metal seed layer.
    Type: Application
    Filed: August 28, 2023
    Publication date: March 7, 2024
    Applicant: EXTOLCO.,LTD.
    Inventors: Sung Woong KIM, Wook Hwan, Nam-jin Kim, Yong-chae NA
  • Publication number: 20240068091
    Abstract: Disclosed is a method of forming an area-selective thin film, the method comprising supplying a nuclear growth retardant to the inside of the chamber in which the substrate is placed, so that the nuclear growth retardant is adsorbed to a non-growth region of the substrate; purging the interior of the chamber; supplying a precursor to the inside of the chamber, so that the precursor is adsorbed to a growth region of the substrate; purging the interior of the chamber; and supplying a reaction material to the inside of the chamber, so that the reaction material reacts with the adsorbed precursor to form the thin film.
    Type: Application
    Filed: January 5, 2022
    Publication date: February 29, 2024
    Applicant: EGTM Co., Ltd.
    Inventors: Jae Min KIM, Ha Na KIM, Woong Jin CHOI, Ji Yeon HAN, Ju Hwan JEONG, Hyeon Sik CHO
  • Publication number: 20240063104
    Abstract: A circuit board according to an embodiment includes an insulating layer; a circuit pattern disposed on the insulating layer; and a protective layer disposed on the insulating layer and the circuit pattern, and including first and second regions having different heights; wherein the circuit pattern includes: a first-first circuit pattern corresponding to the first region of the protective layer; and a first-second circuit pattern corresponding to the second region of the protective layer, wherein a height of the first region of the protective layer is lower than a height of the first-first circuit pattern, wherein a height of the second region of the protective layer is higher than a height of the first-second circuit pattern, wherein a surface of the first-first circuit pattern includes: a first portion in contact with the first region of the protective layer, and a second portion excluding the first portion, and wherein a surface roughness Ra of the first portion is different from a surface roughness Ra of t
    Type: Application
    Filed: December 17, 2021
    Publication date: February 22, 2024
    Applicant: LG INNOTEK CO., LTD.
    Inventors: Se Woong NA, Sang Il KIM, Jung Eun HAN
  • Publication number: 20240055340
    Abstract: A printed circuit board according to an embodiment includes a first insulating layer; a second insulating layer disposed on the first insulating layer and including a cavity; and a pad disposed on the first insulating layer and exposed through the cavity; wherein the second insulating layer includes a first portion disposed on an upper surface of the first insulating layer in a region where the cavity is formed; and a second portion other than the first portion, and wherein a thickness of the first portion is smaller than a thickness of the second portion.
    Type: Application
    Filed: October 25, 2023
    Publication date: February 15, 2024
    Inventors: Se Woong NA, Se Ho MYEONG
  • Publication number: 20230403790
    Abstract: A circuit board according to an embodiment includes an insulating layer including first to third regions; an outer circuit pattern disposed on upper surfaces of the first to third regions of the insulating layer, and a solder resist including a first part disposed on the first region of the insulating layer, a second part disposed on the second region, and a third part disposed on the third region, wherein the outer circuit pattern includes a first trace disposed on an upper surface of the first region of the insulating layer; a first pad disposed on an upper surface of the first region of the insulating layer; and a second trace disposed on an upper surface of the third region of the insulating layer; wherein an upper surface of the first part of the solder resist is positioned lower than an upper surface of the first trace; and a height of the first trace is different from a height of the first pad.
    Type: Application
    Filed: October 20, 2021
    Publication date: December 14, 2023
    Applicant: LG INNOTEK CO., LTD.
    Inventors: Jung Eun HAN, Se Woong NA, Byeong Tae IM
  • Patent number: 11842893
    Abstract: A printed circuit board according to an embodiment includes a first insulating layer; a second insulating layer disposed on the first insulating layer and including a cavity; and a pad disposed on the first insulating layer and exposed through the cavity; wherein the second insulating layer includes a first portion disposed on an upper surface of the first insulating layer in a region where the cavity is formed; and a second portion other than the first portion, and wherein a thickness of the first portion is smaller than a thickness of the second portion.
    Type: Grant
    Filed: June 24, 2020
    Date of Patent: December 12, 2023
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Se Woong Na, Se Ho Myeong
  • Publication number: 20230300977
    Abstract: A circuit board according to an embodiment includes: an insulating layer including first to third regions; an outer layer circuit pattern disposed on an upper surface of the first to third regions of the insulating layer; and a solder resist including a first part disposed on the first region of the insulating layer, a second part disposed on the second region, and a third part disposed on the third region, wherein the outer layer circuit pattern includes: a first trace disposed on an upper surface of the first region of the insulating layer; and a second trace disposed on an upper surface of the third region of the insulating layer; wherein a height of the first trace is different from a height of the second trace; and an upper surface of the first part of the solder resist is positioned lower than an upper surface of the first trace.
    Type: Application
    Filed: June 11, 2021
    Publication date: September 21, 2023
    Inventors: Se Woong NA, Jung Eun HAN, Moo Seong KIM
  • Publication number: 20230247769
    Abstract: A circuit board according to an embodiment includes: an insulating layer including a first region and a second region; a plurality of outer layer circuit patterns disposed on upper surfaces of the first region and the second region of the insulating layer; and a solder resist including a first part disposed on the first region of the insulating layer and a second part disposed on the second region of the insulating layer; wherein the first part includes an upper surface having a curved surface and exposes an upper surface of an outer layer circuit pattern disposed on the first region of the insulating layer, wherein the second part covers an upper surface of an outer layer circuit pattern disposed on the second region of the insulating layer, and wherein at least a part of the upper surface of the first part is positioned lower than the upper surface of the outer layer circuit pattern.
    Type: Application
    Filed: June 11, 2021
    Publication date: August 3, 2023
    Inventors: Jung Eun HAN, Se Woong NA, Joon II CHA
  • Publication number: 20230180394
    Abstract: A circuit board according to an embodiment comprises: an insulating layer including first to third regions; an outer layer circuit pattern disposed on the upper surface of the first to third regions of the insulating layer; and a solder resist including a first part disposed in the first region of the insulating layer, a second part disposed in the second region, and a third part disposed in the third region, wherein the outer layer circuit pattern has a first height, the third part of the solder resist is disposed on the upper surface of the outer layer circuit pattern to have a second height, the first region includes a first sub-region and a second sub-region, the first part includes a first sub-part disposed in the first sub-region and a second sub-part disposed in the second sub-region, the upper surface of the first sub-part is located to be higher than the upper surface of the outer layer circuit pattern and lower than the upper surface of the third part, the upper surface of the second sub-part is loc
    Type: Application
    Filed: April 20, 2021
    Publication date: June 8, 2023
    Inventors: Se Woong NA, Jun Soo PARK, Jung Eun HAN
  • Publication number: 20230171886
    Abstract: A printed circuit board according to an embodiment comprises: an insulating layer; a circuit pattern disposed on the upper surface of the insulating layer; a support layer which is disposed on the upper surface of the insulating layer to expose the upper surface of the circuit pattern and is in contact with the sides of the circuit pattern; and a protective layer disposed on the upper surfaces of the support layer and the circuit pattern, wherein the upper region of the insulating layer comprises a first region and a second region, and the protective layer comprises an open region exposing the upper surfaces of the support layer and the circuit pattern that are disposed in the first region, and the support layer comprises a first upper surface positioned at the highest level among the upper surfaces of the support layer and a second upper surface positioned at the lowest level among the upper surfaces of the support layer, the second upper surface being lower than the first upper surface, and the protective l
    Type: Application
    Filed: April 23, 2021
    Publication date: June 1, 2023
    Inventors: Se Woong NA, Jung Eun HAN
  • Publication number: 20220356822
    Abstract: A compression release type engine brake includes a first opening unit and a second opening unit each including an exhaust rocker arm, an adjusting screw provided at an end portion of the exhaust rocker arm, a brake module in which brake oil is selectively and a brake piston mount portion is formed therein, a brake piston which is selectively protruded according to the oil supply inside the brake module, a reset member selectively exhausting the oil in the brake module, and a valve bridge connected to the brake piston and provided with an exhaust valve, and wherein a rocker arm protrusion is formed in the exhaust rocker arm of at least one of the first opening unit and the second opening unit, and the shaft spring presses the rocker arm protrusion and adjusts a distance between the first opening unit and the second opening unit.
    Type: Application
    Filed: December 8, 2021
    Publication date: November 10, 2022
    Applicants: Hyundai Motor Company, Kia Corporation
    Inventors: Jae Hee JEON, Woong NA
  • Publication number: 20220346236
    Abstract: A printed circuit board according to an embodiment includes a first insulating layer; a first circuit pattern disposed on a lower surface or inside the first insulating layer; a second circuit pattern disposed on an upper surface of the first insulating layer; a second insulating layer disposed on the upper surface of the first insulating layer and surrounding the second circuit pattern; and a protective layer disposed on an upper surface of the second insulating layer, wherein the second insulating layer has at least one recess formed on its upper surface, and wherein the protective layer is disposed in the recess formed on the upper surface of the second insulating layer.
    Type: Application
    Filed: September 9, 2020
    Publication date: October 27, 2022
    Inventors: Eui Yeol YANG, Se Woong NA, Do Hyuk YOO
  • Patent number: 11480076
    Abstract: A compression release type engine brake includes a first opening unit and a second opening unit each including an exhaust rocker arm, an adjusting screw provided at an end portion of the exhaust rocker arm, a brake module in which brake oil is selectively and a brake piston mount portion is formed therein, a brake piston which is selectively protruded according to the oil supply inside the brake module, a reset member selectively exhausting the oil in the brake module, and a valve bridge connected to the brake piston and provided with an exhaust valve, and wherein a rocker arm protrusion is formed in the exhaust rocker arm of at least one of the first opening unit and the second opening unit, and the shaft spring presses the rocker arm protrusion and adjusts a distance between the first opening unit and the second opening unit.
    Type: Grant
    Filed: December 8, 2021
    Date of Patent: October 25, 2022
    Assignees: Hyundai Motor Company, Kia Corporation
    Inventors: Jae Hee Jeon, Woong Na
  • Publication number: 20220262713
    Abstract: A printed circuit board according to an embodiment includes a first insulating layer; a second insulating layer disposed on the first insulating layer and including a cavity; and a pad disposed on the first insulating layer and exposed through the cavity; wherein the second insulating layer includes a first portion disposed on an upper surface of the first insulating layer in a region where the cavity is formed; and a second portion other than the first portion, and wherein a thickness of the first portion is smaller than a thickness of the second portion.
    Type: Application
    Filed: June 24, 2020
    Publication date: August 18, 2022
    Inventors: Se Woong NA, Se Ho MYEONG
  • Publication number: 20220264750
    Abstract: The printed circuit board according to the embodiment includes a first insulating layer; a first circuit pattern disposed on a lower surface of the first insulating layer or inside the first insulating layer; a second circuit pattern disposed on an upper surface of the first insulating layer; and a second insulating layer disposed on the upper surface of the first insulating layer and to surround the second circuit pattern; wherein the second circuit pattern is an outermost circuit pattern, wherein the second circuit pattern and the second insulating layer are disposed to protrude on the upper surface of the first insulating layer, and wherein a height of the second circuit pattern is greater than a height of the second insulating layer.
    Type: Application
    Filed: July 15, 2020
    Publication date: August 18, 2022
    Inventors: Do Hyuk YOO, Se Woong NA, Se Ho MYEONG
  • Patent number: 11378164
    Abstract: An engine includes: a crankshaft pulley; a motor/generator mounted to a side of the engine and including a motor pulley; an auxiliary driving device pulley; a dual tensioner including a tensioner arm of which a first idler pulley is mounted to a first end of the tension arm and a second idler pulley is mounted to a second end of the tension arm, and the tensioner arm rotatable around a center of the motor/generator and a belt connecting the crankshaft pulley, the motor pulley, the auxiliary driving device pulley, the first idler pulley, and second idler pulley.
    Type: Grant
    Filed: November 14, 2018
    Date of Patent: July 5, 2022
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Jae Kyu Lee, Tae Hoon Roh, Heedo Kwon, Jong Won Lee, Jaekyun Lee, In Jae Seo, Hyun Jeong Baek, Kye Oong Song, Woong Na
  • Publication number: 20220205372
    Abstract: A compression release type engine brake includes an exhaust rocker arm including a roller which is mounted at one end portion thereof, and the exhaust rocker arm rotating around a rocker arm shaft by the rotation of the exhaust cam, a valve bridge disposed on the other end portion of the exhaust rocker arm and connected to an exhaust valve, a brake module mounted between the exhaust rocker arm and the valve bridge, contacting with the roller and the brake cam lobe according to inflow of selectively supplied operation oil to open the exhaust valve by the exhaust cam, and the brake module including a reset valve closing operation oil inside therein, and a reset piston slidably mounted on the second end portion of the exhaust rocker arm and protruding out of the second end portion of the exhaust rocker arm according to the supply of reset oil to push the reset valve to expel the operation oil in the brake module outwards.
    Type: Application
    Filed: June 24, 2021
    Publication date: June 30, 2022
    Applicants: Hyundai Motor Company, Kia Corporation
    Inventors: Woong NA, Jae Hee JEON
  • Patent number: 11359524
    Abstract: A compression release type engine brake includes an exhaust rocker arm including a roller which is mounted at one end portion thereof, and the exhaust rocker arm rotating around a rocker arm shaft by the rotation of the exhaust cam, a valve bridge disposed on the other end portion of the exhaust rocker arm and connected to an exhaust valve, a brake module mounted between the exhaust rocker arm and the valve bridge, contacting with the roller and the brake cam lobe according to inflow of selectively supplied operation oil to open the exhaust valve by the exhaust cam, and the brake module including a reset valve closing operation oil inside therein, and a reset piston slidably mounted on the second end portion of the exhaust rocker arm and protruding out of the second end portion of the exhaust rocker arm according to the supply of reset oil to push the reset valve to expel the operation oil in the brake module outwards.
    Type: Grant
    Filed: June 24, 2021
    Date of Patent: June 14, 2022
    Assignees: Hyundai Motor Company, Kia Corporation
    Inventors: Woong Na, Jae Hee Jeon
  • Publication number: 20220157532
    Abstract: A multilayer electronic component includes: a body including a dielectric layer, and an internal electrode alternately disposed with the dielectric layer; and an external electrode disposed on the body and connected to the internal electrode. A composite layer containing Sn and Ni is disposed at an interface between the internal electrode and the dielectric layer. The internal electrode includes an interface portion between the composite layer and a central portion of the internal electrode. The interface portion includes a ceramic additive.
    Type: Application
    Filed: August 30, 2021
    Publication date: May 19, 2022
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jae Hoon Jeong, Hyun Woong Na, Yun Jeong Cha