Patents by Inventor Dong Weon Hwang

Dong Weon Hwang 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: 20240069607
    Abstract: Proposed is a memory module socket capable of increasing electrical contact reliability. The memory module socket includes a socket body (100) including a slot (111) in which terminals (13) of a memory module are inserted, a plurality of receiving portions (113) symmetrically defined by a plurality of partition walls (112), and a stopper member (114) provided under the slot (111), at least one pair of contacts (200) symmetrically provided in each pair of receiving portions (113); and an elastic body (300) inserted into the socket body (100). Each of the contacts (200) includes a curved portion (210), an outer extension portion (220), a first protrusion (222), an inner extension portion (230), an inclined extension portion (240) including a first contact protrusion (240a), and a vertical extension portion (250). Each of the receiving portions (113) includes restraining surfaces (118a and 118b).
    Type: Application
    Filed: August 10, 2023
    Publication date: February 29, 2024
    Applicants: HICON CO., LTD.
    Inventors: Dong Weon HWANG, Logan Jae HWANG, Jae Baek HWANG
  • Patent number: 11668744
    Abstract: A contact for burning-in and testing a semiconductor IC and a socket device including the contact are proposed. The contact includes: an upper terminal part (111) having an upper tip part (111b) at an upper end part thereof; a lower terminal part (112) having a lower tip part (112c) at a lower end part thereof and provided on the same axis as the upper terminal part (111); and an elastic part (113) elastically supporting the upper terminal part (111) and the lower terminal part (112), wherein the upper terminal part (111) and the lower terminal part (112) include a shoulder part (111a) and a shoulder part (112a), respectively, formed by protruding therefrom in width directions thereof, and the elastic part (113) has a third width (w3), and includes a first strip (113a) and a second strip (113b).
    Type: Grant
    Filed: December 14, 2021
    Date of Patent: June 6, 2023
    Inventors: Dong Weon Hwang, Logan Jae Hwang, Jae Baek Hwang
  • Publication number: 20230043825
    Abstract: The present invention relates to a test socket having a thin structure that can reduce durability degradation of a contact itself, have excellent electrical characteristics in processing high-speed signals, and can extend a service life thereof, and relates to spring contacts suitable thereto. The test socket according to the present invention includes: a plurality of spring contacts (100) each of which includes an upper contact pin (110) and a lower contact pin (120) that are assembled cross each other, and a spring (130) supporting the upper and lower contact pins (110 and 120); a main plate (1110) having a plurality of accommodating holes (1111) in which the respective spring contacts (100) are accommodated, with first openings (1113); and a film plate (1120) provided on a lower portion of the main plate (1110), and having second openings (1121).
    Type: Application
    Filed: October 25, 2022
    Publication date: February 9, 2023
    Inventors: Dong Weon Hwang, Logan Jae Hwang, Jae Baek Hwang
  • Patent number: 11561241
    Abstract: The present invention relates to a test socket having a thin structure that can reduce durability degradation of a contact itself, have excellent electrical characteristics in processing high-speed signals, and can extend a service life thereof, and relates to spring contacts suitable thereto. The test socket according to the present invention includes: a plurality of spring contacts (100) each of which includes an upper contact pin (110) and a lower contact pin (120) that are assembled cross each other, and a spring (130) supporting the upper and lower contact pins (110 and 120); a main plate (1110) having a plurality of accommodating holes (1111) in which the respective spring contacts (100) are accommodated, with first openings (1113); and a film plate (1120) provided on a lower portion of the main plate (1110), and having second openings (1121).
    Type: Grant
    Filed: May 4, 2020
    Date of Patent: January 24, 2023
    Assignee: HICON CO., LTD.
    Inventors: Dong Weon Hwang, Logan Jae Hwang, Jae Baek Hwang
  • Patent number: 11486896
    Abstract: The present invention relates to a contact and a socket device for testing a semiconductor device. The contact of the present invention is a spring contact which is integrally formed by blanking and bending a metal plate member and includes an elastic portion made of various strips of certain pattern and a tip provided at both ends of the elastic portion. Preferably, an inner volume of the contact is filled with a filler having conductivity and elasticity, whereby durability and electrical characteristics are excellent. Further, the test socket according to the present invention is a rubber type employing the above-mentioned contact and has an advantage that it is suitable for testing a fine pitch device.
    Type: Grant
    Filed: January 25, 2021
    Date of Patent: November 1, 2022
    Inventors: Dong Weon Hwang, Jae Suk Hwang, Jae Baek Hwang
  • Patent number: 11486897
    Abstract: The present invention relates to a contact and a socket device for testing a semiconductor device. The contact of the present invention is a spring contact which is integrally formed by blanking and bending a metal plate member and includes an elastic portion made of various strips of certain pattern and a tip provided at both ends of the elastic portion. Preferably, an inner volume of the contact is filled with a filler having conductivity and elasticity, whereby durability and electrical characteristics are excellent. Further, the test socket according to the present invention is a rubber type employing the above-mentioned contact and has an advantage that it is suitable for testing a fine pitch device.
    Type: Grant
    Filed: January 26, 2021
    Date of Patent: November 1, 2022
    Inventors: Dong Weon Hwang, Jae Suk Hwang, Jae Baek Hwang
  • Patent number: 11387584
    Abstract: A contact pin, a spring contact including the same, and a socket device are proposed, in which the contact pin has a minimum length suitable for testing a semiconductor IC for a high speed signal and allows the spring contact to secure a maximum compression distance. The contact pin (100) includes: a plate-shaped body part (110) having a width and a thickness; a head part (120) configured to be integrated with an upper end of the body part (110); and a leg part (130) formed by extending from a lower end of the body part (110) to be integrated therewith, wherein the head part (120) is a plate-shaped strip (122) provided on the upper end of the body part (110).
    Type: Grant
    Filed: March 3, 2021
    Date of Patent: July 12, 2022
    Inventors: Dong Weon Hwang, Logan Jae Hwang, Jae Baek Hwang
  • Publication number: 20220209449
    Abstract: A contact pin, a spring contact including the same, and a socket device are proposed, in which the contact pin has a minimum length suitable for testing a semiconductor IC for a high speed signal and allows the spring contact to secure a maximum compression distance. The contact pin (100) includes: a plate-shaped body part (110) having a width and a thickness; a head part (120) configured to be integrated with an upper end of the body part (110); and a leg part (130) formed by extending from a lower end of the body part (110) to be integrated therewith, wherein the head part (120) is a plate-shaped strip (122) provided on the upper end of the body part (110).
    Type: Application
    Filed: March 3, 2021
    Publication date: June 30, 2022
    Inventors: Dong Weon HWANG, Logan Jae HWANG, Jae Baek HWANG
  • Publication number: 20220206041
    Abstract: The present disclosure relates to a socket having a thin structure and to a spring contact suitable thereto. The socket includes: a plurality of spring contacts (100) each of which includes an upper contact pin (110), a lower contact pin (120) assembled to the upper contact pin such that the upper and lower contact pins cross each other to mutually linearly operate, and a coil spring (130) supporting the upper and lower contact pins (110 and 120); a lower film plate (310) including a plurality of first through-holes (311) through which the respective spring contacts (100) are positioned; an intermediate plate (320) provided on the lower film plate (310) and including second through-holes formed at positions corresponding to the first through-holes (311); and an upper film plate (330) provided on the intermediate plate (320) and including third through-holes formed at positions corresponding to the second through-holes.
    Type: Application
    Filed: June 5, 2019
    Publication date: June 30, 2022
    Inventors: Dong Weon Hwang, Logan Jae Hwang, Jae Baek Hwang
  • Publication number: 20220196727
    Abstract: A contact for burning-in and testing a semiconductor IC and a socket device including the contact are proposed. The contact includes: an upper terminal part (111) having an upper tip part (111b) at an upper end part thereof; a lower terminal part (112) having a lower tip part (112c) at a lower end part thereof and provided on the same axis as the upper terminal part (111); and an elastic part (113) elastically supporting the upper terminal part (111) and the lower terminal part (112), wherein the upper terminal part (111) and the lower terminal part (112) include a shoulder part (111a) and a shoulder part (112a), respectively, formed by protruding therefrom in width directions thereof, and the elastic part (113) has a third width (w3), and includes a first strip (113a) and a second strip (113b).
    Type: Application
    Filed: December 14, 2021
    Publication date: June 23, 2022
    Inventors: Dong Weon HWANG, Logan Jae HWANG, Jae Baek HWANG
  • Publication number: 20220163561
    Abstract: The present invention relates to a BGA socket apparatus which is a lidless-type from which a cover, generally provided on the top part of a socket body in order for the loading/unloading operation of an IC, is removed, the BGA socket apparatus enabling the elimination of elements which may obstruct air flow during testing.
    Type: Application
    Filed: April 15, 2019
    Publication date: May 26, 2022
    Inventors: Dong Weon Hwang, Logan Jae Hwang, Jae Baek Hwang
  • Publication number: 20210148950
    Abstract: The present invention relates to a contact and a socket device for testing a semiconductor device. The contact of the present invention is a spring contact which is integrally formed by blanking and bending a metal plate member and includes an elastic portion made of various strips of certain pattern and a tip provided at both ends of the elastic portion. Preferably, an inner volume of the contact is filled with a filler having conductivity and elasticity, whereby durability and electrical characteristics are excellent. Further, the test socket according to the present invention is a rubber type employing the above-mentioned contact and has an advantage that it is suitable for testing a fine pitch device.
    Type: Application
    Filed: January 26, 2021
    Publication date: May 20, 2021
    Inventors: Dong Weon Hwang, Jae Suk Hwang, Jae Baek Hwang
  • Publication number: 20210140997
    Abstract: The present invention relates to a contact and a socket device for testing a semiconductor device. The contact of the present invention is a spring contact which is integrally formed by blanking and bending a metal plate member and includes an elastic portion made of various strips of certain pattern and a tip provided at both ends of the elastic portion. Preferably, an inner volume of the contact is filled with a filler having conductivity and elasticity, whereby durability and electrical characteristics are excellent. Further, the test socket according to the present invention is a rubber type employing the above-mentioned contact and has an advantage that it is suitable for testing a fine pitch device.
    Type: Application
    Filed: January 25, 2021
    Publication date: May 13, 2021
    Inventors: Dong Weon Hwang, Jae Suk Hwang, Jae Baek Hwang
  • Publication number: 20210102973
    Abstract: The present invention relates to a test socket having a thin structure that can reduce durability degradation of a contact itself, have excellent electrical characteristics in processing high-speed signals, and can extend a service life thereof, and relates to spring contacts suitable thereto. The test socket according to the present invention includes: a plurality of spring contacts (100) each of which includes an upper contact pin (110) and a lower contact pin (120) that are assembled cross each other, and a spring (130) supporting the upper and lower contact pins (110 and 120); a main plate (1110) having a plurality of accommodating holes (1111) in which the respective spring contacts (100) are accommodated, with first openings (1113); and a film plate (1120) provided on a lower portion of the main plate (1110), and having second openings (1121).
    Type: Application
    Filed: May 4, 2020
    Publication date: April 8, 2021
    Inventors: Dong Weon Hwang, Logan Jae Hwang, Jae Baek Hwang
  • Patent number: 10971843
    Abstract: Disclosed is a BGA socket device used for testing a BGA IC and having a dual pinch type contact. The BGA socket device includes: contacts each including a fixed terminal and a movable terminal and configured such that respective upper ends of the fixed and movable terminals are offset from each other with respect to each solder ball of the IC; a main body in which the contact is provided and fixed; a cover supported on an upper surface of the main body and configured to be movable up and down; and a slider provided between the main body and the cover and configured to slide left and right, thus opening and closing the movable terminal in a horizontal direction, the slider having a fixed terminal receiving hole and a movable terminal receiving hole in which the fixed and movable terminals of the contact are received, respectively, by passing therethrough.
    Type: Grant
    Filed: October 9, 2019
    Date of Patent: April 6, 2021
    Inventors: Dong Weon Hwang, Logan Jae Hwang, Jae Baek Hwang
  • Patent number: 10955438
    Abstract: Disclosed are a hybrid-type contact and a socket device for testing a semiconductor device, in which the hybrid-type contact includes a first contact unit integrally configured by rolling a predetermined shaped strip pattern formed by blanking a metal plate into a cylindrical shape, a second contact unit with conductivity and elasticity configured to be inserted into the first contact unit, and a molding portion of insulating elastic material configured to integrally fix the first contact unit and the second contact unit together, so as to compensate the disadvantages of conventional pin-type and rubber-type test socket devices, whereby it is easy to optimize the mechanical and electrical properties according to the requirements of the test device, and it is suitable for testing a fine pitch device.
    Type: Grant
    Filed: November 2, 2018
    Date of Patent: March 23, 2021
    Inventors: Dong Weon Hwang, Logan Jae Hwang, Jae Baek Hwang
  • Patent number: 10935572
    Abstract: The present invention relates to a contact and a socket device for testing a semiconductor device. The contact of the present invention is a spring contact which is integrally formed by blanking and bending a metal plate member and includes an elastic portion made of various strips of certain pattern and a tip provided at both ends of the elastic portion. Preferably, an inner volume of the contact is filled with a filler having conductivity and elasticity, whereby durability and electrical characteristics are excellent. Further, the test socket according to the present invention is a rubber type employing the above-mentioned contact and has an advantage that it is suitable for testing a fine pitch device.
    Type: Grant
    Filed: December 6, 2017
    Date of Patent: March 2, 2021
    Inventors: Dong Weon Hwang, Jae Suk Hwang, Jae Baek Hwang
  • Patent number: 10761110
    Abstract: Disclosed is related generally to a contact for testing a semiconductor device and a socket device therefor. The contact of the present invention, being a spring contact configured in an integrated body by blanking and bending a metal board, includes: an elastic part composed of various strips in a fixed pattern, and sharp end parts provided on opposite ends of the elastic part, respectively. Preferably, with a filler having conductivity and elasticity being filled in space volume, the contact of the present invention has excellent durability and electrical characteristics. In addition, the test socket according to the present invention, being the rubber type adopting the above-stated contacts, provides an appropriate effect for a test of a semiconductor device having a fine pitch.
    Type: Grant
    Filed: August 23, 2018
    Date of Patent: September 1, 2020
    Inventors: Dong Weon Hwang, Jae Suk Hwang, Jae Baek Hwang
  • Publication number: 20200176910
    Abstract: Disclosed is a BGA socket device used for testing a BGA IC and having a dual pinch type contact. The BGA socket device includes: contacts each including a fixed terminal and a movable terminal and configured such that respective upper ends of the fixed and movable terminals are offset from each other with respect to each solder ball of the IC; a main body in which the contact is provided and fixed; a cover supported on an upper surface of the main body and configured to be movable up and down; and a slider provided between the main body and the cover and configured to slide left and right, thus opening and closing the movable terminal in a horizontal direction, the slider having a fixed terminal receiving hole and a movable terminal receiving hole in which the fixed and movable terminals of the contact are received, respectively, by passing therethrough.
    Type: Application
    Filed: October 9, 2019
    Publication date: June 4, 2020
    Inventors: Dong Weon Hwang, Logan Jae Hwang, Jae Baek Hwang
  • Publication number: 20200049736
    Abstract: Disclosed are a hybrid-type contact and a socket device for testing a semiconductor device, in which the hybrid-type contact includes a first contact unit integrally configured by rolling a predetermined shaped strip pattern formed by blanking a metal plate into a cylindrical shape, a second contact unit with conductivity and elasticity configured to be inserted into the first contact unit, and a molding portion of insulating elastic material configured to integrally fix the first contact unit and the second contact unit together, so as to compensate the disadvantages of conventional pin-type and rubber-type test socket devices, whereby it is easy to optimize the mechanical and electrical properties according to the requirements of the test device, and it is suitable for testing a fine pitch device.
    Type: Application
    Filed: November 2, 2018
    Publication date: February 13, 2020
    Inventors: Dong Weon Hwang, Logan Jae Hwang, Jae Baek Hwang