Patents by Inventor Bum Mo Ahn

Bum Mo Ahn 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: 20230143340
    Abstract: Proposed are a probe head and a probe card having the same. The probe head according to the present disclosure includes a plurality of guide plates each having a guide hole, wherein each of the guide plates has a shape in which a plurality of layers are stacked, and each of the guide plates includes: a first guide layer provided at a lowermost side thereof, and having a first guide hole; and a second guide layer provided at an uppermost side thereof, and having a second guide hole, wherein a side wall of the first guide hole and a side wall of the second guide hole are not provided on the same vertical line.
    Type: Application
    Filed: April 20, 2021
    Publication date: May 11, 2023
    Applicant: POINT ENGINEERING CO., LTD.
    Inventors: Bum Mo AHN, Seung Ho PARK, Sung Hyun BYUN
  • Patent number: 11632858
    Abstract: Proposed is an anodic aluminum oxide structure made of anodic aluminum oxide and, more particularly, is an anodic aluminum oxide structure that minimizes damage to a material in the vicinity of a conductor and prevents a problem of delamination between the conductor and a member existing thereon.
    Type: Grant
    Filed: March 22, 2021
    Date of Patent: April 18, 2023
    Inventors: Bum Mo Ahn, Seung Ho Park, Dong Eun Lee
  • Patent number: 11619655
    Abstract: A probe card is configured to perform a circuit test on a wafer to realize a reduction in size and pitch of probe insertion holes. The probe card includes a first plate, a second plate coupled to a lower portion of the first plate, an upper guide plate provided on an upper surface of the first plate, a lower guide plate provided on a lower surface of the second plate, and a reinforcing plate coupled to at least a surface of each of the upper and lower guide plates. At least one of the upper and lower guide plates is made of an anodic oxide film material, and as viewed from above, the upper and lower guide plates and the reinforcing plate are configured to have smaller areas than the first and second plates, so that upper and lower surfaces of the first and second plates are exposed.
    Type: Grant
    Filed: September 23, 2020
    Date of Patent: April 4, 2023
    Assignee: POINT ENGINEERING CO., LTD.
    Inventors: Bum Mo Ahn, Seung Ho Park, Sung Hyun Byun
  • Patent number: 11621382
    Abstract: The present invention relates generally to an anodic oxide film for electric contact, to an optoelectronic display, and to a method of manufacturing the optoelectronic display. More particularly, the present invention relates to an anodic oxide film for electric contact to electrically connect an optical element and a substrate in a position therebetween, to an optoelectronic display, and to a method of manufacturing the optoelectronic display.
    Type: Grant
    Filed: June 1, 2020
    Date of Patent: April 4, 2023
    Assignee: POINT ENGINEERING CO., LTD.
    Inventors: Bum Mo Ahn, Seung Ho Park, Dong Hyeok Seo
  • Publication number: 20230090643
    Abstract: Proposed are a manufacturing method of an anodic oxide film structure, and an anodic oxide film structure. More particularly, proposed are a manufacturing method of an anodic oxide film structure, and an anodic oxide film structure, wherein production yield of the entire product can be improved by repairing a defective region to be made normal.
    Type: Application
    Filed: November 22, 2022
    Publication date: March 23, 2023
    Inventors: Bum Mo Ahn, Seung Ho Park, Sung Hyun Byun
  • Patent number: 11610937
    Abstract: Disclosed are a micro LED group substrate provided with a plurality of micro LEDs, a method of manufacturing the same, a micro LED display panel, and a method of manufacturing the same. More particularly, disclosed are a micro LED group substrate provided with a plurality of micro LEDs, a method of manufacturing the same, a micro LED display panel, and a method of manufacturing the same, wherein the need for a micro LED replacement process is eliminated.
    Type: Grant
    Filed: July 6, 2020
    Date of Patent: March 21, 2023
    Assignee: POINT ENGINEERING CO., LTD.
    Inventors: Bum Mo Ahn, Seung Ho Park, Sung Hyun Byun
  • Patent number: 11581210
    Abstract: The present invention relates to provide a hot air supplying head for transferring a micro LED and a micro LED transfer system using the same, the hot air supplying head effectively transferring micro LEDs.
    Type: Grant
    Filed: August 1, 2019
    Date of Patent: February 14, 2023
    Assignee: POINT ENGINEERING CO., LTD.
    Inventors: Bum Mo Ahn, Seung Ho Park, Sung Hyun Byun
  • Publication number: 20230008795
    Abstract: Proposed is a method for manufacturing a micro LED display, the method including a step of preparing a plurality of first substrates having a plurality of micro LEDs, respectively, a step of preparing a plurality of second substrates, a segmented region formation step of segmenting each of the first substrates into a plurality of regions, and a step of transferring micro LEDs of one segmented region of each of the first substrates to an associated one of the second substrates, wherein the one second substrate comprises the micro LEDs of the first substrate.
    Type: Application
    Filed: October 19, 2020
    Publication date: January 12, 2023
    Applicant: POINT ENGINEERING CO., LTD.
    Inventors: Bum Mo AHN, Seung Ho PARK, Sung Hyun BYUN
  • Patent number: 11548170
    Abstract: The present invention relates to a micro LED grip body and a system having the same for inspecting a micro LED, the micro LED grip body having a vacuum-suction structure capable of being used for transferring a micro LED, thereby solving problems of micro LED transfer heads that have been proposed in the related art.
    Type: Grant
    Filed: April 5, 2019
    Date of Patent: January 10, 2023
    Assignee: POINT ENGINEERING CO., LTD.
    Inventors: Bum Mo Ahn, Seung Ho Park, Sung Hyun Byun, Tae Hwan Song
  • Patent number: 11543432
    Abstract: Proposed are a probe head and a probe card having the same. The probe head includes: an upper guide plate having an upper guide hole; a lower guide plate having a lower guide hole; an intermediate guide plate having an intermediate guide hole, and provided between the upper guide plate and the lower guide plate; and a guide member provided at a side of the intermediate guide plate, wherein the intermediate guide plate is limited in movement by the guide member.
    Type: Grant
    Filed: March 24, 2021
    Date of Patent: January 3, 2023
    Inventors: Bum Mo Ahn, Seung Ho Park, Sung Hyun Byun
  • Patent number: 11545596
    Abstract: An optical component package includes a main substrate including a plurality of metal bodies, and a vertical insulation part provided between the metal bodies; a cavity provided in an upper surface of the main substrate; a sub-substrate provided in the cavity of the main substrate, the sub-substrate including an insulating body, a plurality of via holes vertically passing through the insulating body and filled with a metal material being electrically connected to each of the metal bodies, and a plurality of metal pads mounted on the insulating body and electrically connected to the plurality of via holes; a plurality of optical components mounted on the plurality of metal pads and electrically connected to the plurality of metal pads; and a light transmitting member provided above the main substrate.
    Type: Grant
    Filed: June 17, 2021
    Date of Patent: January 3, 2023
    Assignee: POINT ENGINEERING CO., LTD.
    Inventors: Bum Mo Ahn, Seung Ho Park, Moon Hyun Kim
  • Publication number: 20220411340
    Abstract: Proposed are a part having a corrosion-resistant layer that minimizes peeling off and particle generation of a porous ceramic layer, a manufacturing process apparatus having the same, and a method of manufacturing the part.
    Type: Application
    Filed: June 28, 2022
    Publication date: December 29, 2022
    Applicant: POINT ENGINEERING CO., LTD.
    Inventors: Bum Mo AHN, Young Heum EOM, Tae Hwan SONG
  • Patent number: 11535001
    Abstract: Proposed are a manufacturing method of an anodic oxide film structure, and an anodic oxide film structure. More particularly, proposed are a manufacturing method of an anodic oxide film structure, and an anodic oxide film structure, wherein production yield of the entire product can be improved by repairing a defective region to be made normal.
    Type: Grant
    Filed: December 21, 2020
    Date of Patent: December 27, 2022
    Assignee: POINT ENGINEERING CO., LTD.
    Inventors: Bum Mo Ahn, Seung Ho Park, Sung Hyun Byun
  • Patent number: 11523504
    Abstract: Proposed is an anodic oxide film structure that includes an anodic oxide film sheet and has high strength, chemical resistance and corrosion resistance.
    Type: Grant
    Filed: February 3, 2021
    Date of Patent: December 6, 2022
    Assignee: POINT ENGINEERING CO., LTD.
    Inventors: Bum Mo Ahn, Sung Hyun Byun, Tae Hwan Song
  • Publication number: 20220359124
    Abstract: A multilayer ceramic substrate according to the present invention includes a first insulating portion including a body of a ceramic material, a first via conductor penetrating through the body, and a first internal wiring layer and a first connection pad connected to the first via conductor; and a second insulating portion including a body of an anodized oxide material, a second via conductor penetrating through the body, and a second internal wiring layer and a second connection pad connected to the second via conductor.
    Type: Application
    Filed: July 25, 2022
    Publication date: November 10, 2022
    Inventors: Bum Mo AHN, Seung Ho PARK, Sung Hyun BYUN
  • Patent number: 11497126
    Abstract: Proposed are a multilayer wiring board having both durability and chemical resistance, and a probe card including the same.
    Type: Grant
    Filed: November 2, 2020
    Date of Patent: November 8, 2022
    Assignee: POINT ENGINEERING CO., LTD.
    Inventors: Bum Mo Ahn, Seung Ho Park, Sung Hyun Byun
  • Publication number: 20220336192
    Abstract: This invention relates to a metal component, a manufacturing method thereof, and a process chamber having the metal component, and particularly to a metal component useful in a display or semiconductor manufacturing process, a manufacturing method thereof, and a process chamber having the metal component, wherein among addition elements of an aluminum alloy that constitutes the metal substrate of the metal component, the addition element existing on the surface thereof is removed, and a barrier layer having no pores is formed, thereby solving problems attributable to a conventional anodized film having a porous layer and attributable to the addition element in the form of particles on the surface of the metal substrate.
    Type: Application
    Filed: July 5, 2022
    Publication date: October 20, 2022
    Inventors: Bum Mo AHN, Seung Ho PARK
  • Publication number: 20220320379
    Abstract: Proposed are a micro LED display manufacturing device and a method of manufacturing a micro LED display. More particularly, proposed are a micro LED display manufacturing device and a method of manufacturing a micro LED display, wherein a hybrid transfer process is used.
    Type: Application
    Filed: September 8, 2020
    Publication date: October 6, 2022
    Inventors: Bum Mo AHN, Seung Ho PARK, Sung Hyun BYUN
  • Patent number: 11437196
    Abstract: A multilayer ceramic substrate includes a first insulating portion including a body of a ceramic material, a first via conductor penetrating through the body, and a first internal wiring layer and a first connection pad connected to the first via conductor, and a second insulating portion including a body of an anodized oxide material, a second via conductor penetrating through the body, and a second internal wiring layer and a second connection pad connected to the second via conductor.
    Type: Grant
    Filed: January 29, 2020
    Date of Patent: September 6, 2022
    Assignee: POINT ENGINEERING CO., LTD.
    Inventors: Bum Mo Ahn, Seung Ho Park, Sung Hyun Byun
  • Patent number: 11417503
    Abstract: This invention relates to a metal component, a manufacturing method thereof, and a process chamber having the metal component, and particularly to a metal component useful in a display or semiconductor manufacturing process, a manufacturing method thereof, and a process chamber having the metal component, wherein among addition elements of an aluminum alloy that constitutes the metal substrate of the metal component, the addition element existing on the surface thereof is removed, and a barrier layer having no pores is formed, thereby solving problems attributable to a conventional anodized film having a porous layer and attributable to the addition element in the form of particles on the surface of the metal substrate.
    Type: Grant
    Filed: June 27, 2017
    Date of Patent: August 16, 2022
    Assignee: ABM CO., LTD.
    Inventors: Bum Mo Ahn, Seung Ho Park