Patents by Inventor Jang Won Seo

Jang Won Seo 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: 20230197482
    Abstract: Through a combination of a multi-stage adhesive layer structure, a compressed region structure, and a barrier layer, the polishing pad according to the present disclosure can minimize the leakage of liquid components flowing through the interface between the window and the polishing pad and realize excellent long-term durability without leakage even when substantially applied to a polishing process for a long time. In the method for manufacturing a semiconductor device, the specific structure having the window of the polishing pad applied thereto as described above is combined with the optimal process conditions related to the polishing process so that the process efficiency can be further improved, and excellent quality can be secured in terms of polishing rate, polishing flatness, defect prevention, and the like.
    Type: Application
    Filed: November 23, 2022
    Publication date: June 22, 2023
    Inventors: Chang Gyu IM, Jang Won SEO, Jong Wook YUN, Sung Hoon YUN
  • Publication number: 20230180832
    Abstract: An aerosol generation device with improved heating efficiency is provided. The aerosol generation device according to some embodiments of the present disclosure includes a case in which an insertion hole is formed to receive an aerosol-generating article, a heater configured to heat the aerosol-generating article inserted through the insertion hole to generate an aerosol, and an adapter disposed between the insertion hole and the heater. The adapter may allow a medium portion of the inserted aerosol-generating article to be deformed to a desired pressed shape so that the heating efficiency of the heater is improved.
    Type: Application
    Filed: July 16, 2021
    Publication date: June 15, 2023
    Applicant: KT&G CORPORATION
    Inventors: Chul Ho JANG, Gyoung Min GO, Hyung Jin BAE, Jang Won SEO, Min Seok JEONG, Jong Seong JEONG, Jin Chul JUNG
  • Publication number: 20230172272
    Abstract: A laser-based aerosol generation device and a heating method thereof are provided. The aerosol generation device according to some embodiments of the present disclosure may include a laser radiation part configured to heat an aerosol-generating article to generate an aerosol by radiating laser to aerosol-generating article. By instantaneously heating a local surface of the aerosol-generating article, the laser heating method may ensure immediate aerosol generation without a preheating time.
    Type: Application
    Filed: November 12, 2021
    Publication date: June 8, 2023
    Applicant: KT&G CORPORATION
    Inventors: Jin Chul JUNG, Gyoung Min GO, Hyung Jin BAE, Jang Won SEO, Chul Ho JANG, Min Seok JEONG, Jong Seong JEONG
  • Publication number: 20230178307
    Abstract: An organic hole transport material according to an embodiment of the present disclosure is an organic hole transport material doped with an acid-base adduct, in which the acid-base adduct is formed by an acid-base reaction involving an acid and a base, and the acid contains hydrogen ions (H+) and has the formula H+X?, where H+ corresponds to a hydrogen ion, and X? corresponds to an anion and corresponds to TFSI?.
    Type: Application
    Filed: July 9, 2021
    Publication date: June 8, 2023
    Applicant: KOREA RESEARCHINS TITUTE OF CHEMICAL TECHNOLOGY
    Inventors: Nam Joong JEON, Jang Won SEO, Geun KIM, Seong Sik SHIN, Seung Joo LEE, Young Woong KIM
  • Publication number: 20230172271
    Abstract: A heater for aerosol generation devices and an aerosol generation device including the same are provided. The heater according to some embodiments of the present disclosure may include a first electroconductive pattern which is configured to perform a heating function and a second electroconductive pattern which is made of a material with a temperature coefficient of resistance higher than that of the first electroconductive pattern and is configured to perform a temperature measurement function for the heater. In this case, since a temperature of a heating surface of the heater may be accurately measured through the second electroconductive pattern, control precision for the heater may be improved.
    Type: Application
    Filed: November 12, 2021
    Publication date: June 8, 2023
    Applicant: KT&G CORPORATION
    Inventors: Jong Seong JEONG, Gyoung Min GO, Hyung Jin BAE, Jang Won SEO, Chul Ho JANG, Min Seok JEONG, Jin Chul JUNG
  • Publication number: 20230158633
    Abstract: This invention relates to a polishing pad and a method for manufacturing the same. The polishing pad may include a top pad layer and a window block. The top pad layer may include a groove pattern formed on an upper surface of the top pad layer. A first hole may be formed through the top pad layer. The window block may be inserted into the first hole. The top pad layer and the window block may have a structure coincided with following Formula 1. 1.1 ? Gap + Thk RTPC Thk grv ? 3. Formula ? 1 In Formula 1, the gap may indicate a height difference between an upper surface of the top pad layer and an upper surface of the window block, the ThkRTPC may indicate a thickness of the window block, and the Thkgrv may indicate a depth of the groove pattern.
    Type: Application
    Filed: October 20, 2022
    Publication date: May 25, 2023
    Inventors: Yu Jin HEO, Hyun Goo KANG, Go Un KIM, Jang Won SEO, Sung Hoon YUN
  • Patent number: 11642752
    Abstract: Embodiments relate to a porous polyurethane polishing pad for use in a chemical mechanical planarization and a process for preparing the same. It is possible to control the size and distribution of pores in the porous polyurethane polishing pad by using thermally expanded microcapsules and an inert gas as a gas phase foaming agent, whereby the polishing performance thereof can be adjusted.
    Type: Grant
    Filed: September 10, 2018
    Date of Patent: May 9, 2023
    Assignee: SK ENPULSE CO., LTD.
    Inventors: Jang Won Seo, Hyuk Hee Han, Hye Young Heo, Joonsung Ryou, Young Pil Kwon
  • Patent number: 11628535
    Abstract: A polishing pad includes a polyurethane, wherein the polyurethane includes a fluorinated repeating unit represented by Formula 1, wherein the number of defects on a substrate after polishing with the polishing pad and a fumed silica slurry is 40 or less; wherein R11 and R12 are each independently selected from the group consisting of hydrogen, C1-C10 alkyl groups, and fluorine, with the proviso that at least one of R11 and R12 is fluorine, L is a C1-C5 alkylene group or —O—, R13 and R14 are each independently selected from the group consisting of hydrogen, C1-C10 alkyl groups, and fluorine, with the proviso that at least one of R13 and R14 is fluorine, and n and m are each independently an integer from 0 to 20, with the proviso that n and m are not simultaneously 0.
    Type: Grant
    Filed: September 26, 2019
    Date of Patent: April 18, 2023
    Assignee: SKC SOLMICS CO., LTD.
    Inventors: Jaein Ahn, Jang Won Seo, Jong Wook Yun, Sunghoon Yun, Hye Young Heo, Su Young Moon
  • Publication number: 20230111352
    Abstract: The present disclosure is to provide a polishing pad which is capable of providing physical properties corresponding to various polishing purposes for various polishing objects through the subdivided structural design in a thickness direction, and of securing environmental friendliness by applying a recycled or recyclable material to at least some components, in relation to disposal after use, unlike the conventional polishing pad. Specifically, the polishing pad includes a polishing layer, wherein the polishing layer includes a polishing variable layer having a polishing surface; and a polishing constant layer disposed on a rear surface side of the polishing variable layer opposite to the polishing surface, and wherein the polishing constant layer includes a cured product of a composition having thermosetting polyurethane particles and a binder.
    Type: Application
    Filed: October 11, 2022
    Publication date: April 13, 2023
    Inventors: Jang Won SEO, Sung Hoon YUN, Eun Sun JOENG, Jae In AHN
  • Publication number: 20230110921
    Abstract: The present disclosure is to provide a polishing pad which is capable of providing physical properties corresponding to various polishing purposes for various polishing objects through the subdivided structural design in a thickness direction, and of securing environmental friendliness by applying a recycled or recyclable material to at least some components, in relation to disposal after use, unlike the conventional polishing pad. Specifically, it includes a polishing layer, wherein the polishing layer includes a polishing variable layer having a polishing surface; and a polishing constant layer disposed on a rear surface side of the polishing variable layer opposite to the polishing surface.
    Type: Application
    Filed: October 11, 2022
    Publication date: April 13, 2023
    Inventors: Jang Won Seo, Eun Sun Joeng, Sung Hoon Yun, Jong Wook Yun
  • Publication number: 20230090811
    Abstract: Provided herein are an induction heating-type aerosol-generating article and device with improved heating efficiency. The induction heating-type aerosol-generating article according to some embodiments of the present disclosure includes a medium portion which includes an aerosol-forming substrate, a susceptor element which forms a closed loop to wrap around at least a portion of the medium portion and which is configured to, due to induction heating being performed therein, heat at least a portion of the medium portion, and an outer wrapper which wraps around at least a portion of the susceptor element. In this case, since the susceptor element is embedded in the aerosol-generating article and directly transmits heat to the medium portion, and an induced current may smoothly flow through the formed closed loop, heating efficiency may be significantly improved.
    Type: Application
    Filed: September 14, 2021
    Publication date: March 23, 2023
    Applicant: KT&G CORPORATION
    Inventors: Jin Chul JUNG, Jang Won SEO, Min Seok JEONG, Gyoung Min GO, Hyung Jin BAE, Chul Ho JANG, Jong Seong JEONG
  • Publication number: 20230091382
    Abstract: The present disclosure relates to a method for refreshing a polishing pad, and, through increasing a useful life of a polishing pad used in a polishing process, is capable of reducing the amount of discarded polishing pad, and significantly enhancing polishing efficiency by shortening the time required to replace the polishing pad. In addition, a method for manufacturing a semiconductor device is a manufacturing process using the method for refreshing a polishing pad, wherein a polishing pad having the period of usage ended is reusable by having polishing performance equivalent to a new polishing pad, and process efficiency may be enhanced by reducing the number of replacements of polishing pads.
    Type: Application
    Filed: September 16, 2022
    Publication date: March 23, 2023
    Inventors: Sung Hoon YUN, Jang Won SEO, Jae Gon CHOI
  • Publication number: 20230063257
    Abstract: Provided herein are an induction heating-type aerosol generation device, which has a function of determining the suitability of an aerosol-generating article, and a control method thereof. The induction heating-type aerosol generation device according to some embodiments of the present disclosure includes a housing which has an accommodation space for accommodating an aerosol-generating article, an inductor disposed to surround at least a portion of the aerosol-generating article accommodated in the accommodation space, and configured to inductively heat the accommodated aerosol-generating article, and a controller which controls the inductor. The controller may apply a predetermined article determining frequency to the inductor, may measure an electrical signal that changes according to the applied article determining frequency, and may determine suitability of the accommodated aerosol-generating article only on the basis of a result of measurement of the electrical signal, without an additional sensor.
    Type: Application
    Filed: September 14, 2021
    Publication date: March 2, 2023
    Applicant: KT&G CORPORATION
    Inventors: Jang Won SEO, Gyoung Min GO, Hyung Jin BAE, Chul Ho JANG, Min Seok JEONG, Jong Seong JEONG, Jin Chul JUNG
  • Publication number: 20230059394
    Abstract: Provided are a polishing pad provided with a structural feature capable of maximizing the leakage prevention effect, the polishing pad including: a polishing layer including a first surface which is a polished surface and a second surface which is an opposite surface thereof, and including a first through hole passing through the first surface and the second surface; a window disposed in the first through hole; and a support layer disposed at the second surface of the polishing layer.
    Type: Application
    Filed: July 1, 2022
    Publication date: February 23, 2023
    Inventors: Sung Hoon YUN, Jang Won SEO, Hye Young HEO, Jong Wook YUN, Jae In AHN
  • Publication number: 20230052322
    Abstract: The present disclosure is intended to provide, as a polishing pad to which a window for an endpoint detection is applied, and in which the window is capable of providing improved polishing performance in terms of preventing defects, etc., by a specific structure due to the window, rather than negatively affecting polishing performance as a local heterogeneous component on the polishing pad, a polishing pad including: a polishing layer including a first surface that is a polishing surface and a second surface that is a rear surface thereof, and containing a first through-hole penetrating from the first surface to the second surface; a window disposed in the first through-hole; and a void between a side surface of the first through-hole and a side surface of the window, and a method for manufacturing a semiconductor device by applying the same.
    Type: Application
    Filed: July 27, 2022
    Publication date: February 16, 2023
    Inventors: Sung Hoon YUN, Jae In Ahn, Kyung Hwan Kim, Jang Won Seo
  • Publication number: 20230047113
    Abstract: Provided are a polishing device including: a surface plate; a polishing pad mounted on the surface plate; a carrier for accommodating a polishing object; and a slurry supply unit including at least one nozzle, wherein the carrier performs a vibrating motion in a trajectory from the center of the surface plate to the end of the surface plate, and the slurry supply unit performs a vibrating motion at the same trajectory and speed as those of the vibrating motion of the carrier, as a polishing device which includes a slurry supply unit enabling subdivided driving in the supply of a polishing slurry, and in which the driving of the slurry supply unit has an advantage enabling optimized driving in an organic relationship between rotation and/or vibrating motion of the carrier and the surface plate and vertical pressurization conditions, etc. for the polishing surface of the carrier.
    Type: Application
    Filed: August 12, 2022
    Publication date: February 16, 2023
    Inventors: Jae In AHN, Jong Wook YUN, Eun Sun JOENG, Jang Won SEO
  • Patent number: 11571783
    Abstract: An embodiment relates to a polishing pad which is used in a chemical mechanical planarization (CMP) process and has excellent airtightness, wherein the polishing pad is excellent in airtightness of a window opening and thus can prevent water leakage that may occur during a CMP process.
    Type: Grant
    Filed: August 6, 2018
    Date of Patent: February 7, 2023
    Assignee: SKC solmics Co., Ltd.
    Inventors: Sunghoon Yun, Jang Won Seo, Jaein Ahn, Jong Wook Yun, Hye Young Heo
  • Publication number: 20230034703
    Abstract: Provided herein are an ultrasonic-based aerosol generation device with a new structure capable of reducing cartridge replacement costs and a control method thereof. The ultrasonic-based aerosol generation device according to some embodiments of the present disclosure may include a replaceable cartridge which is configured to store a liquid aerosol-forming substrate and a control main body which is configured to be coupled to the cartridge. Also, the control main body may include a controller and a vibration member which is configured to generate ultrasonic vibrations to vaporize the aerosol-forming substrate stored in the cartridge. Here, the controller may monitor a temperature of the vibration member and controls operation of the vibration member on the basis of a monitoring result.
    Type: Application
    Filed: July 16, 2021
    Publication date: February 2, 2023
    Applicant: KT&G CORPORATION
    Inventors: Jin Chul JUNG, Gyoung Min GO, Hyung Jin BAE, Jang Won SEO, Chul Ho JANG, Min Seok JEONG, Jong Seong JEONG
  • Publication number: 20230030615
    Abstract: Provided herein are an ultrasonic-based aerosol generation device, which is capable of reducing cartridge replacement costs and ensuring immediate aerosol generation, and a cartridge recognition method thereof. The ultrasonic-based aerosol generation device according to some embodiments of the present disclosure may include a liquid reservoir configured to store a liquid aerosol-forming substrate, a vibration element configured to provide ultrasonic vibrations to the stored liquid aerosol-forming substrate to form an aerosol, and a porous member which is disposed to be spaced apart from the vibration element and has a plurality of holes formed therein. Here, the liquid aerosol-forming substrate may be pushed in a direction toward the porous member due to ultrasonic vibrations of the vibration element, and the pushed liquid may be rapidly vaporized by passing through the plurality of holes. Accordingly, an aerosol can be generated immediately upon a puff.
    Type: Application
    Filed: July 13, 2021
    Publication date: February 2, 2023
    Applicant: KT&G CORPORATION
    Inventors: Chul Ho JANG, Gyoung Min GO, Hyung Jin BAE, Jang Won SEO, Min Seok JEONG, Jong Seong JEONG, Jin Chul JUNG
  • Patent number: D992562
    Type: Grant
    Filed: June 21, 2021
    Date of Patent: July 18, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Woong-Hee Lee, Young-A Kim, Jang-Won Seo