Patents by Inventor Ki-Hoon Choi
Ki-Hoon Choi 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).
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Publication number: 20250093768Abstract: A substrate processing apparatus is provided and includes: a support unit including a spin chuck and a centering jig that is on the spin chuck, the spin chuck configured to support and rotate a substrate; a spraying unit configured to spray processing liquid onto the substrate; a swing arm including a correction unit that includes a sensor and an emitter, the swing arm configured to move such that the correction unit moves to a target point on the substrate, and the emitter configured to irradiate a beam towards the substrate; and a controller configured to: control the spin chuck and the swing arm; and determine whether a movement trajectory of the swing arm is aligned with a rotation center of the spin chuck based on information acquired by the sensor about the centering jig.Type: ApplicationFiled: July 11, 2024Publication date: March 20, 2025Applicants: SEMES CO., LTD., SAMSUNG ELECTRONICS CO. LTD.Inventors: Jin Yeong SUNG, Ki Hoon CHOI, Seung Un OH, Young Ho PARK, Sang Hyeon RYU, Jang Jin LEE, Hyun YOON, Sang Gun LEE, Yu Jin CHO, Ho Jong HWANG, Jong Ju PARK, Jong Keun OH, Yong Woo KIM
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Publication number: 20250073742Abstract: Provided is a control device and a substrate processing apparatus including the same. The substrate processing apparatus includes a support unit configured to support and rotate a first substrate, the support unit including a spin chuck, a spray unit configured to spray a processing fluid on the first substrate, a correction unit on a swing arm and configured to irradiate a beam onto the first substrate when the processing fluid is provided on the first substrate, wherein the swing arm is adjacent to the spin chuck and is configured to move the correction unit to a target point on the first substrate, and a controller configured to control the spin chuck and the swing arm, and correct a position error of the swing arm using a second substrate, wherein a plurality of anchor patterns are on the second substrate.Type: ApplicationFiled: July 10, 2024Publication date: March 6, 2025Inventors: Jin Yeong Sung, Ki Hoon Choi, Seung Un Oh, Young Ho Park, Sang Hyeon Ryu, Jang Jin Lee, Hyun Yoon, Sang Gun Lee, Yu Jin Cho, Ho Jong Hwang, Jong Ju Park, Jong Keun Oh, Yong Woo Kim
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Publication number: 20250065360Abstract: A control device and a substrate processing apparatus including the same are provided. The substrate processing apparatus includes: a support unit including a spin head and configured to support and to rotate a substrate; a spraying unit configured to spray processing liquid onto the substrate; a correction unit in a swing arm, the correction unit configured to move to a target point on the substrate and to irradiate a beam when the processing liquid is sprayed onto the substrate; and a control unit configured to calculate the target point, wherein the control unit is configured to convert image coordinates associated with a first coordinate system and then to calculate the target point by converting the image coordinates associated with the first coordinate system into image coordinates associated with a second coordinate system, and the second coordinate system is based on rotation angles of the spin head and the swing arm.Type: ApplicationFiled: July 10, 2024Publication date: February 27, 2025Inventors: Jin Yeong Sung, Ki Hoon Choi, Seung Un Oh, Young Ho Park, Sang Hyeon Ryu, Jang Jin Lee, Hyun Yoon, Sang Gun Lee, Yu Jin Cho, Ho Jong Hwang, Jong Ju Park, Jong Keun Oh, Yong Woo Kim
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Patent number: 12057335Abstract: Provided is a concentration measuring apparatus, which measures a concentration of a fluid under a high-pressure environment, such as an environment in which a supercritical fluid is provided. The concentration measuring apparatus includes: a concentration meter for measuring a concentration of a first fluid contained in a fluid in the measurement line; a sampling line for transferring a process fluid of a processing space in which a substrate is treated in a high-pressure environment to the measurement line; a control valve for opening and closing the sampling line; a fluid pressure regulator installed downstream the control valve in the sampling line and configured to adjust the passing fluid to a set pressure; and a decompression tank installed between the sampling line and the measurement line.Type: GrantFiled: September 30, 2022Date of Patent: August 6, 2024Assignee: SEMES CO., LTD.Inventors: Sang Min Lee, Jin Se Park, Ki Hoon Choi
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Publication number: 20240227075Abstract: Embodiments of the inventive concept provide a substrate treating apparatus and a substrate treating method for not letting an irradiation region of a laser deviate from a target region, even if a shaking angle of a chemical deviates from an allowable range due to a vibration or an airflow. The inventive concept provides a substrate treating apparatus. The substrate treating apparatus includes: a substrate support unit configured to support a substrate having a chemical coated thereon; a laser generation unit configured to irradiate a laser to the substrate; and a light-transmitter positioned along a path at which the laser is irradiated.Type: ApplicationFiled: October 3, 2023Publication date: July 11, 2024Applicant: SEMES CO., LTD.Inventors: Tae Shin KIM, Ki Hoon CHOI, Tae Hee KIM, Sang Gun LEE, Jin Yeong SUNG, Jang Jin LEE
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Patent number: 12011936Abstract: The present disclosure provides a droplet discharging device capable of minimizing misalignment of a plurality of heads. The droplet discharging device comprises a base including a head fixing region to which a plurality of heads are fixed; a pack holder disposed on the base and including an opening penetrated by the plurality of heads installed on the base; a guide pin installed on the pack holder and protruding towards the base; a guide holder installed on the base and fastened to the guide pin; a first fastening part installed on the pack holder and protruding towards the base; and a second fastening part installed on the base and fastened to the first fastening part, wherein a lock air is supplied to one of the first fastening part and the second fastening part, thus fastening the first fastening part and the second fastening part.Type: GrantFiled: September 17, 2022Date of Patent: June 18, 2024Assignee: SEMES CO., LTD.Inventors: Jang Mi Woo, Ki Hoon Choi, Young Hoon Jeong, Myung Jin Kim
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Publication number: 20240152056Abstract: The inventive concept provides a substrate treating method. The substrate treating method includes supplying a liquid to a substrate; and heating the substrate after the supplying the liquid, and wherein the supplying the liquid includes: supplying a first liquid to the substrate; and supplying a second liquid which is different from the first liquid to a substrate to which the first liquid is supplied, and wherein the second liquid is supplied as a test to the substrate and a contact angle between the second liquid which is supplied and the substrate is measured to determine a degree of hydrophilization of the substrate, and a supply mechanism of the second liquid supplied to the substrate is determined based on the degree of hydrophilization of the substrate which is determined, before the supplying the second liquid is performed.Type: ApplicationFiled: November 6, 2023Publication date: May 9, 2024Applicant: SEMES CO., LTD.Inventors: Sang Gun LEE, Ki Hoon CHOI, Hyun YOON, Seung Un OH, Jin Yeong SUNG, Jang Jin LEE, Tae Shin KIM
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Publication number: 20240153791Abstract: The inventive concept provides a substrate treating method for etching a specific region on a substrate. The substrate treating method includes supplying a treating liquid to the substrate; and irradiating a laser to the specific region to locally heat the specific region; and wherein at the irradiating the laser, the laser is irradiated a plurality of times within the specific region, and the laser is irradiated to a region which does not overlap on the substrate, but which overlaps within the specific region.Type: ApplicationFiled: November 6, 2023Publication date: May 9, 2024Applicant: SEMES CO., LTD.Inventors: Jin Yeong SUNG, Ki Hoon CHOI, Hyun YOON, Sang Hyeon RYU, Young Ho PARK
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Publication number: 20240131624Abstract: Embodiments of the inventive concept provide a substrate treating apparatus and a substrate treating method for not letting an irradiation region of a laser deviate from a target region, even if a shaking angle of a chemical deviates from an allowable range due to a vibration or an airflow. The inventive concept provides a substrate treating apparatus. The substrate treating apparatus includes: a substrate support unit configured to support a substrate having a chemical coated thereon; a laser generation unit configured to irradiate a laser to the substrate; and a light-transmitter positioned along a path at which the laser is irradiated.Type: ApplicationFiled: October 2, 2023Publication date: April 25, 2024Applicant: SEMES CO., LTD.Inventors: Tae Shin KIM, Ki Hoon CHOI, Tae Hee KIM, Sang Gun LEE, Jin Yeong SUNG, Jang Jin LEE
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Publication number: 20240118607Abstract: The inventive concept provides a substrate treating method. The substrate treating method includes pre-treating a substrate by cleaning the substrate; etching the substrate by supplying an etchant and heating a substrate supplied with the etchant; and post-treating the substrate after the etching the substrate, and wherein the pre-treating the substrate, the etching the substrate, and the post-treating the substrate are each performed in different chambers, a substrate on which the pre-treating the substrate is completed is transferred in a dry state to a chamber at which the etching the substrate is performed, and a substrate on which the etching the substrate is completed is transferred in a wetted state with a liquid to a chamber at which the post-treating the substrate is performed.Type: ApplicationFiled: March 14, 2023Publication date: April 11, 2024Applicant: SEMES CO.,LTD.Inventors: Hyun YOON, Ki Hoon CHOI, Seung Un OH, Young Ho PARK, Sang Hyeon RYU, Tae Hee KIM, Sang Gun LEE
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Patent number: 11940734Abstract: The inventive concept provides a substrate treating apparatus. The substrate treating apparatus includes a chamber having a treating space therein; a supply line having a first open/close valve installed thereon and configured to supply a treating fluid to the treating space; a heater installed on the supply line and configured to heat the treating fluid; an exhaust line having a second open/close valve installed thereon and configured to exhaust the treating space; and, a controller configured to control the first open/close value and the second open/close valve such that the treating fluid heated is supplied to and exhausted from the treating space before a treating process is performed on a substrate in the treating space.Type: GrantFiled: April 21, 2022Date of Patent: March 26, 2024Assignee: SEMES CO., LTD.Inventors: Ki Hoon Choi, Eung Su Kim, Pil Kyun Heo, Jin Yeong Sung, Hae-Won Choi, Anton Koriakin, Joon Ho Won
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Publication number: 20240075740Abstract: An inkjet head unit capable of performing high-resolution pixel printing on a large-size substrate and a substrate treatment apparatus including the inkjet head unit are provided. The substrate treatment apparatus includes: a processing unit supporting and moving a substrate; an inkjet head unit performing pixel printing on the substrate; and a gantry unit moving the inkjet head unit over the substrate, wherein the inkjet head unit includes head packs, which include a plurality of nozzles ejecting a substrate treatment liquid onto the substrate, and a head base, in which the head packs are installed and the head packs are disposed in a single row in the head base.Type: ApplicationFiled: July 24, 2023Publication date: March 7, 2024Inventors: Jang Mi WOO, Jin Hyuck Yang, Yong Kyu Cho, Cheon Su Cho, Ki Hoon Choi
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Publication number: 20240066887Abstract: Proposed are an inkjet head unit capable of forming high-resolution pixels on a substrate and inkjet printing equipment including the same. An inkjet head unit of inkjet printing equipment according to one embodiment includes a head pack including a plurality of ejection heads configured to eject ink of the same color to a substrate; and a head base on which a plurality of head packs are installed to be repeatedly coaxially arranged in color order.Type: ApplicationFiled: July 11, 2023Publication date: February 29, 2024Applicant: SEMES CO., LTD.Inventors: Jang Mi WOO, Jin Hyuck YANG, Ki Hoon CHOI, Young Hoon JEONG
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Patent number: 11887866Abstract: A supercritical processing apparatus includes an upper vessel including a first fluid hole formed in a center thereof, and a lower vessel including a second fluid hole formed in a center thereof. A space is defined between the upper and lower vessels and configured to allow a substrate to be placed therein. The upper vessel further includes a first guide portion provided at a lower portion thereof to be gradually inclined downward toward a periphery thereof from the first fluid hole.Type: GrantFiled: October 18, 2019Date of Patent: January 30, 2024Assignee: SEMES CO., LTD.Inventors: Jae Seong Lee, Hae Won Choi, Ki Hoon Choi, Anton Koriakin, Chan Young Heo, Do Heon Kim, Ji Soo Jeon
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Publication number: 20230350304Abstract: There are provided an apparatus and a method for providing a substrate, which can suppress any additional reaction between a developing solution and a photoresist (PR) film and prevent any PR remnants from being generated from such additional reaction. The method includes: supplying an organic developing solution onto a substrate while rotating the substrate at a first revolutions per minute (rpm); substituting the organic developing solution with a nonpolar rinse solution by supplying the nonpolar rinse solution onto the substrate while rotating the substrate at a second rpm, which is lower than the first rpm; continuing to supply the nonpolar rinse solution while rotating the substrate at a third rpm, which is higher than the second rpm; and continuing to supply the nonpolar rinse solution while rotating the substrate at a fourth rpm, which is between the second rpm and the third rpm.Type: ApplicationFiled: April 29, 2022Publication date: November 2, 2023Inventors: Hae Won CHOI, Joon Ho WON, Koriakin ANTON, Ki Hoon CHOI, Eung Su KIM, Pil Kyun HEO, Min Woo KIM, Jin Yeong SUNG, Hyo Soo KIM
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Publication number: 20230341779Abstract: The inventive concept provides a substrate treating apparatus. The substrate treating apparatus includes a chamber having a treating space therein; a supply line having a first open/close valve installed thereon and configured to supply a treating fluid to the treating space; a heater installed on the supply line and configured to heat the treating fluid; an exhaust line having a second open/close valve installed thereon and configured to exhaust the treating space; and, a controller configured to control the first open/close value and the second open/close valve such that the treating fluid heated is supplied to and exhausted from the treating space before a treating process is performed on a substrate in the treating space.Type: ApplicationFiled: April 21, 2022Publication date: October 26, 2023Inventors: Ki Hoon Choi, Eung Su Kim, Pil Kyun Heo, Jin Yeong Sung, Hae-Won Choi, Anton Koriakin, Joon Ho Won
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Publication number: 20230229074Abstract: A photomask correction method capable of increasing the photomask precision is provided. The photomask correction method comprises measuring an intensity profile of a laser, acquiring etching amount data corresponding to the measured intensity profile using a library, determining a process parameter of the laser based on the etching amount data, and correcting a photomask with the laser according to the determined process parameter.Type: ApplicationFiled: August 31, 2022Publication date: July 20, 2023Inventors: Hyo Won YANG, Hyun Yoon, Ji Hoon Jeong, In Ki Jung, Ki Hoon Choi, Tae Hee Kim, Se Hoon Oh
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Publication number: 20230211618Abstract: The present disclosure provides a droplet discharging device capable of minimizing misalignment of a plurality of heads. The droplet discharging device comprises a base including a head fixing region to which a plurality of heads are fixed; a pack holder disposed on the base and including an opening penetrated by the plurality of heads installed on the base; a guide pin installed on the pack holder and protruding towards the base; a guide holder installed on the base and fastened to the guide pin; a first fastening part installed on the pack holder and protruding towards the base; and a second fastening part installed on the base and fastened to the first fastening part, wherein a lock air is supplied to one of the first fastening part and the second fastening part, thus fastening the first fastening part and the second fastening part.Type: ApplicationFiled: September 17, 2022Publication date: July 6, 2023Inventors: Jang Mi WOO, Ki Hoon CHOI, Young Hoon JEONG, Myung Jin KIM
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Publication number: 20230211436Abstract: The inventive concept provides a mask treating method. The mask treating method includes treating a mask by supplying a liquid to the mask, and irradiating a laser to a region of the mask on which a specific pattern is formed while the liquid remains on the mask; moving an optical module including a laser unit configured to irradiate the laser between a process position for treating the substrate and a standby position deviating from the process position; and adjusting a state of the optical module at an inspection port provided at the standby position to a set condition before the optical module is moved to the process position.Type: ApplicationFiled: December 22, 2022Publication date: July 6, 2023Applicant: SEMES CO., LTD.Inventors: Hyo Won YANG, Hyun Yoon, Ji Hoon Jeong, Ki Hoon Choi, In Ki Jung, Won Sik Son, Tae Hee Kim
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Publication number: 20230213866Abstract: The present disclosure relates to an apparatus for treating a substrate. The substrate treatment apparatus includes a support unit that supports a substrate, a liquid supply unit that supplies a liquid to the substrate supported by the support unit, and a laser unit that heats the substrate supported by the support unit, wherein the laser unit includes an oscillation unit that emits a light, and a diffraction unit that separates the light into a plurality of light bundles and irradiates the substrate supported by the support unit with an adjustment light having a profile changed from a profile of the light.Type: ApplicationFiled: December 28, 2022Publication date: July 6, 2023Applicant: SEMES CO.,LTD.Inventors: Hyun YOON, Ji Hoon Jeong, Young Dae Chung, Ki Hoon Choi