Patents Assigned to Koh Young Technology Inc.
  • Patent number: 11002534
    Abstract: A patterned light irradiation apparatus is enclosed. The patterned light irradiation apparatus comprises a light source, a pattern grating, an aperture, wherein the pattern grating includes a striped shape in a form including repetition of a transmission part and a shielding part, and the aperture includes an opening having a sinusoidal wave-shaped cross section. When the patterned light irradiation apparatus irradiates patterned light to a subject, the patterned irradiation apparatus performs defocusing and thus can irradiate patterned light having an ideal sinusoidal form to the subject. Therefore, a three-dimensional image of high quality can be acquired.
    Type: Grant
    Filed: March 3, 2017
    Date of Patent: May 11, 2021
    Assignee: KOH YOUNG TECHNOLOGY INC.
    Inventor: Jong Kyu Hong
  • Patent number: 10996050
    Abstract: Provided are an apparatus and a method for measuring a three dimensional shape with improved accuracy. The apparatus includes a stage, at least one lighting unit, a plurality of image pickup units and a control unit. The stage supports an object to be measured. The lighting unit includes a light source and a grid, and radiates grid-patterned light to the object to be measured. The image pickup units capture, in different directions, grid images reflected from the object to be measured. The control unit calculates a three dimensional shape of the object from the grid images captured by the image pickup units. The present invention has advantages in capturing grid images through a main image pickup portion and sub-image pickup portions, enabling the measurement of the three dimensional shape of the object in a rapid and accurate manner.
    Type: Grant
    Filed: January 6, 2020
    Date of Patent: May 4, 2021
    Assignee: KOH YOUNG TECHNOLOGY INC.
    Inventors: Seung-Jun Lee, Kwangill Koh, Moon-Young Jeon, Sang-Kyu Yun, Hong-Min Kim, Jung Hur
  • Patent number: 10997714
    Abstract: An apparatus for inspecting components may include a processor for: determining exterior information of a first component mounted on a first printed circuit board; inspecting a mounting state of the first component by using inspection information of a second component having a first similarity value, when the first similarity value is higher than or equal to a preset reference similarity value, and updating the inspection information of the plurality of components by using the inspection information of the first component matched with the inspection information of the second component, when it is determined that the mounting state of the first component is good.
    Type: Grant
    Filed: February 13, 2018
    Date of Patent: May 4, 2021
    Assignee: KOH YOUNG TECHNOLOGY INC.
    Inventors: Seung Bum Han, Filip Lukasz Piekniewski, Dae Sung Koo, Woo Young Lim, Jin Man Kang, Ki Won Park
  • Patent number: 10986996
    Abstract: The present disclosure relates to an OCT device, which can be simply mounted without changing the structure of a microscope or an endoscope, thereby realizing an OCT system and, more particularly, to a removable OCT device including: a tunable laser configured to emit light to the light output side of an optical device by tuning the wavelength of the light; a first beam splitter installed on a path of the light emitted from the tunable laser; and a reference mirror installed on a path of the light that has passed through the first beam splitter, wherein the removable OCT device is mounted at the light output side of the optical device.
    Type: Grant
    Filed: May 27, 2015
    Date of Patent: April 27, 2021
    Assignee: KOH YOUNG TECHNOLOGY INC.
    Inventor: Hyun Ki Lee
  • Patent number: 10986761
    Abstract: The board inspecting apparatus include a measuring section obtaining measurement data for at least a portion of a board, a processing section comparing the measurement data and pre-obtained reference data, based on feature objects set on the board, to perform warpage compensation and inspecting the board with warpage compensated, a display section displaying ranges adjusting a first level of an inspection speed and a second level of a precision of the warpage compensation, and an input section receiving, from a user, inputs for the first and second levels as a specific setting combination having a trade-off relationship. The processing section, when the inspection speed and the precision are established, designates a specific option corresponding to the inspection speed and the precision among options increasing the precision so that the specific option is applied. Thus, users' convenience may be improved, and users may easily set options for distortion compensation.
    Type: Grant
    Filed: September 25, 2017
    Date of Patent: April 20, 2021
    Assignee: KOH YOUNG TECHNOLOGY INC.
    Inventors: Seung Won Jung, Jong Jin Choi
  • Publication number: 20210102903
    Abstract: The present disclosure proposes an inspection apparatus. The inspection apparatus may include: a structured-light source configured to sequentially radiate a plurality of structured lights having one phase range; a lens configured to adjust, for each of the plurality of structured lights, optical paths of light beams corresponding to phases of the phase range such that a light beam corresponding to one phase of the phase range arrives at each point of a partial region on an object; an image sensor configured to capture a plurality of reflected lights generated by the structured lights being reflected from the partial region; and a processor configured to acquire a light quantity value of the reflected lights; and derive an angle of the surface by deriving phase values of the reflected lights based on the light quantity value for the reflected lights.
    Type: Application
    Filed: December 16, 2020
    Publication date: April 8, 2021
    Applicant: KOH YOUNG TECHNOLOGY INC.
    Inventors: Chan Kwon LEE, Moon Young JEON, Jung HUR, Deok Hwa HONG, Eun Ha JO
  • Publication number: 20210105920
    Abstract: A method for determining a cause of a mounting failure for a component mounted on a substrate, which is performed by an electronic apparatus, comprises: receiving an inspection result of a mounting failure for each of a plurality of first components determined by inspecting a plurality of substrates of a first type; calculating a mounting failure rate of each of the plurality of first components using the inspection result; determining a plurality of second components in which a mounting failure has occurred based on the mounting failure rate; and determining a cause of the mounting failure for each of the plurality of second components as at least one of a component mounting position setting error, a mounting condition setting error according to a component type and a defect of a nozzle, based on the mounting failure rate of each of the plurality of first components.
    Type: Application
    Filed: June 28, 2019
    Publication date: April 8, 2021
    Applicant: KOH YOUNG TECHNOLOGY INC.
    Inventors: Jong Myoung LEE, Duk Young LEE, Su Hyeong CHOI, Hyeon Su JEONG
  • Publication number: 20210049753
    Abstract: A printed circuit board inspection apparatus can inspect a mounting state of a component by generating depth information on the component by using a pattern of light reflected from the component mounted on a printed circuit board received by an image sensor, generating two-dimensional image data for the component by using at least one of light of a first wavelength, light of a second wavelength, light of a third wavelength, and light of a fourth wavelength reflected from the component received by a first image sensor, inputting the depth information and the two-dimensional image data for the component into a machine learning-based model, obtaining depth information with reduced noise from the machine learning-based model, and using the noise-reduced information.
    Type: Application
    Filed: February 26, 2019
    Publication date: February 18, 2021
    Applicant: KOH YOUNG TECHNOLOGY INC.
    Inventors: Se Rin LEE, Jin Man KANG, Joong Ki JEONG, Jung Ho SON, Min Cheol YOON
  • Publication number: 20210038323
    Abstract: An optical tracking system and a method using the same capable of detecting an exact spatial position and a direction of a target regardless of the distance from the target to be calculated is disclosed. The optical tracking system and a method using the same according to an embodiment of the present invention has an effect of expanding an available area by detecting an exact spatial position and a direction of a target regardless of the distance from the target to be calculated, as well as, a system downsizing is also achieved by significantly reducing size of the marker unit compared with conventional system.
    Type: Application
    Filed: October 22, 2020
    Publication date: February 11, 2021
    Applicants: KOH YOUNG TECHNOLOGY INC., KYUNGPOOK NATIONAL UNIVERSITY INDUSTRY ACADEMIC COOPERATION FOUNDATION
    Inventors: Jong-Kyu HONG, Hyun-Ki LEE, Min-Young KIM, You-Seong CHAE
  • Publication number: 20210042910
    Abstract: A printed circuit board inspection apparatus can inspect the mounting state of a component by generating depth information on the component mounted on a printed circuit board by using a pattern of light reflected from the component and received by an image sensor, inputting the generated depth information into a machine-learning-based model, obtaining depth information with reduced noise from the machine-learning-based model, and using depth information with reduced noise.
    Type: Application
    Filed: February 26, 2019
    Publication date: February 11, 2021
    Applicant: KOH YOUNG TECHNOLOGY INC.
    Inventors: Se Rin LEE, Jin Man KANG, Joong Ki JEONG, Jung Ho SON, Min Cheol YOON
  • Publication number: 20210018314
    Abstract: A substrate inspection apparatus is disclosed. The substrate inspection apparatus includes: a first light source configured to radiate an ultraviolet light onto a coated film of a substrate, the coated film being mixed with fluorescent pigments; a first light detector configured to capture fluorescence generated from the coated film onto which the ultraviolet light is radiated, and to obtain a two-dimensional (2D) image of the substrate; a processor configured to derive one region among a plurality of regions of the substrate based on the 2D image; a second light source configured to radiate a laser light onto the one region; and a second light detector configured to obtain optical interference data generated from the one region by the laser light, wherein the processor is configured to derive a thickness of the coated film of the one region based on the optical interference data.
    Type: Application
    Filed: October 1, 2020
    Publication date: January 21, 2021
    Applicant: KOH YOUNG TECHNOLOGY INC.
    Inventors: Young Joo HONG, Deok Hwa HONG, Min Kyu KIM, Jeong Hun CHOI
  • Patent number: 10890538
    Abstract: The present disclosure proposes an inspection apparatus. The inspection apparatus may include: a structured-light source configured to sequentially radiate a plurality of structured lights having one phase range; a lens configured to adjust, for each of the plurality of structured lights, optical paths of light beams corresponding to phases of the phase range such that a light beam corresponding to one phase of the phase range arrives at each point of a partial region on an object; an image sensor configured to capture a plurality of reflected lights generated by the structured lights being reflected from the partial region; and a processor configured to acquire a light quantity value of the reflected lights; and derive an angle of the surface by deriving phase values of the reflected lights based on the light quantity value for the reflected lights.
    Type: Grant
    Filed: October 15, 2019
    Date of Patent: January 12, 2021
    Assignee: KOH YOUNG TECHNOLOGY INC.
    Inventors: Chan Kwon Lee, Moon Young Jeon, Jung Hur, Deok Hwa Hong, Eun Ha Jo
  • Publication number: 20210000551
    Abstract: A tracking system and a tracking method using the same are disclosed. The tracking system includes a marker, a camera unit, a first inertial measuring unit, a second inertial measuring unit and a tracking processing unit. The marker is fixed on the measurement object, and the camera unit outputs a marker image by photographing the marker. The first inertial measuring unit is fixed on the camera unit, and measures and outputs first inertia comprising first accelerated velocity and first angular velocity. The second inertial measuring unit is fixed to one of the measurement object and the marker, and measures and outputs second inertia comprising second accelerated velocity and second angular velocity. The tracking processing unit primarily extracts the position and the posture of the measurement object using the marker image, and secondarily extracts the position and the posture of the measurement object using the first and second inertias.
    Type: Application
    Filed: September 17, 2020
    Publication date: January 7, 2021
    Applicants: KOH YOUNG TECHNOLOGY INC., KYUNGPOOK NATIONAL UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATION
    Inventors: Hyun Ki LEE, Hyun Min OH, Min Young KIM
  • Patent number: 10883824
    Abstract: Disclosed are a pattern light irradiating device and an inspection apparatus using the same. The pattern light irradiating device includes first and second pattern light sources installed on a frame having a plurality of through-holes. Each of the through-holes is formed along a single optical axis. The first pattern light source is configured to irradiate first pattern light having a fixed pitch. The second pattern light source is configured to irradiate second pattern light having a variable pitch.
    Type: Grant
    Filed: October 23, 2017
    Date of Patent: January 5, 2021
    Assignee: KOH YOUNG TECHNOLOGY INC.
    Inventors: Jung Hur, Woo Jae Choi
  • Patent number: 10859371
    Abstract: A substrate inspection apparatus is disclosed. The substrate inspection apparatus includes: a first light source configured to radiate an ultraviolet light onto a coated film of a substrate, the coated film being mixed with fluorescent pigments; a first light detector configured to capture fluorescence generated from the coated film onto which the ultraviolet light is radiated, and to obtain a two-dimensional (2D) image of the substrate; a processor configured to derive one region among a plurality of regions of the substrate based on the 2D image; a second light source configured to radiate a laser light onto the one region; and a second light detector configured to obtain optical interference data generated from the one region by the laser light, wherein the processor is configured to derive a thickness of the coated film of the one region based on the optical interference data.
    Type: Grant
    Filed: November 28, 2018
    Date of Patent: December 8, 2020
    Assignee: KOH YOUNG TECHNOLOGY INC.
    Inventors: Young Joo Hong, Deok Hwa Hong, Min Kyu Kim, Jeong Hun Choi
  • Patent number: 10859789
    Abstract: A technical concept of the present invention provides: a curved pattern marker capable of improving the precision of position detection and reducing size; and an optical tracking device including the marker. The marker comprises: a first lens unit, which has at least one lens having an incident surface, emits incident light within a target range, and is formed such that a light parallel to an optical axis among the incident light is vertically incident on the incident surface; a pattern unit having a curved pattern formed therein; and a second lens unit arranged between the first lens unit and the pattern unit, and adjusting the light emitted from the first lens unit such that the light is focused on the curved pattern.
    Type: Grant
    Filed: March 13, 2017
    Date of Patent: December 8, 2020
    Assignee: KOH YOUNG TECHNOLOGY INC.
    Inventor: Jong Kyu Hong
  • Patent number: 10852125
    Abstract: A substrate inspection apparatus is disclosed. The substrate inspection apparatus according to the present disclosure may include: a light source configured to radiate laser light onto a coated film that is spread on a region of a substrate; a light detector configured to obtain optical interference data on an interference between reference light, that is generated by the laser light being reflected from a surface of the coated film, and measurement light, that is generated by the laser light penetrating the coated film and being scattered; and a processor configured to derive a thickness of the coated film corresponding to the region, based on the optical interference data.
    Type: Grant
    Filed: November 28, 2018
    Date of Patent: December 1, 2020
    Assignee: KOH YOUNG TECHNOLOGY INC.
    Inventors: Young Joo Hong, Deok Hwa Hong, Min Kyu Kim, Jeong Hun Choi
  • Publication number: 20200367396
    Abstract: A component mounting system and a method for inspecting mounted components are provided. A component mounting system according to an embodiment, comprises a solder inspection apparatus comparing coordinate information of the solder, which is obtained through measurement of a substrate to which solder is applied, with reference coordinate information to generate coordinate correction data; and a first mounting inspection apparatus comparing a first measurement data obtained by measuring mounting state of a component when the component is mounted based on the coordination correction data through a component mounting apparatus, with the coordinate correction data to verify whether a component is mounted on a position corrected based on the coordinate correction data. In this manner, by adding the verification function for the performance function of the component mounting apparatus to the inspection apparatus, it is possible to monitor the operation state of the component mounting apparatus in each process step.
    Type: Application
    Filed: July 2, 2020
    Publication date: November 19, 2020
    Applicant: KOH YOUNG TECHNOLOGY INC.
    Inventor: Jeongyeob KIM
  • Publication number: 20200348367
    Abstract: A substrate inspection apparatus may include a communication circuit, a plurality of light sources, an image sensor, at least one memory, and at least one processor. The processor may be configured to generate pin insertion state information indicating an insertion state of each of a plurality of first pins by using a pattern light reflected from each of the plurality of first pins, detect at least one second pin having an insertion defect from among the plurality of first pins by using at least one of the pin insertion reference information and the pin insertion state information of each of the plurality of first pins, generate a control signal for adjusting at least one first process parameter among a plurality of process parameters of the pin insertion apparatus, and control the communication circuit to transmit the control signal to the pin insertion apparatus.
    Type: Application
    Filed: December 28, 2018
    Publication date: November 5, 2020
    Applicant: KOH YOUNG TECHNOLOGY INC.
    Inventors: Dae Sung KOO, Woo Young LIM, Yong KIM
  • Publication number: 20200352069
    Abstract: A substrate inspection apparatus may include: a communication circuit; a plurality of light sources; an image sensor; at least one memory; and at least one processor. The processor may be configured to: generate insertion state information indicating an insertion state of each of a plurality of pins included in each of a plurality of first connectors by using the pattern light reflected from the pin tail of each of the plurality of pins; detect at least one second connector having an insertion defect by using the insertion reference information and the insertion state information of each of the plurality of pins; generate a control signal for adjusting at least one first process parameter, based on insertion state information for the plurality of pins included in the at least one second connector; and control the communication circuit to transmit the control signal to the connector insertion apparatus.
    Type: Application
    Filed: December 28, 2018
    Publication date: November 5, 2020
    Applicant: KOH YOUNG TECHNOLOGY INC.
    Inventors: Dae Sung KOO, Woo Young LIM, Yong KIM