baber/WOPTO huggingface dataset:
Patent KR-102429927-B1 (KR)
Inventor: CHON E WOO
IPC: H04N5/10
Filed: 2021-07-28
Granted: 2022-08-08
Abstract: The present invention provides an electronic device for verifying an analog output signal and an operation method thereof. According to an embodiment of the present invention, an analog signal includes multiple horizontal lines. A target horizontal line in the multiple horizontal lines includes: a blank area including a horizontal sync area; and an active area indicating object data. The operation method thereof to verify output of the analog signal includes: a step of outputting the analog signal including the target horizontal line; a step of obtaining a digital horizontal synchronization signal corresponding to the target horizontal line of the analog signal; a step of generating an analog feedback signal by feeding back the analog signal which is output; a step of obtaining first voltage information corresponding to the horizontal sync area based on the analog feedback signal and the digital horizontal synchronization signal; a step of obtaining second voltage information corresponding to the active area based on the analog feedback signal and the digital horizontal synchronization signal; and a step of determining whether to normally output the analog signal based on the first voltage information and the second voltage information. Also, various embodiments are possible.
Patent KR-102617330-B1 (KR)
IPC: F04D17/10
Filed: 2021-08-10
Granted: 2023-12-27
Abstract: 본 발명은 내부순환 구조를 갖는 터보 블로워 장치에 관한 것으로, 하우징; 상기 하우징 내부 일측에 구획된 공간이며, 외기 유입구를 통하여 외부의 악취원으로부터 악취가스가 유입되는 외기 유입실; 상기 하우징 내부 타측에 구획된 공간으로서, 인버터 냉매 유입부가 위치하는 인버터실; 상기 인버터실과 상기 외기 유입실 사이에 위치하는 공간 상부에 구획된 공간이며, 상기 외기 유입실과 연통되는 흡입 노즐, 상기 하우징 외부와 연통되는 토출 노즐 및 상기 토출 노즐 일측에 블로우 오프 밸브가 설치되는 블로워실; 상기 블로워실 내부에 위치하며, 상기 흡입 노즐과 연결되는 흡입구, 상기 흡입구 일측에 위치하며 상기 토출 노즐과 연결되는 토출구 및 상기 흡입구와 토출구 사이에 위치하는 임펠러, 및 상기 임펠러를 구동시키는 모터를 포함하는 터보 블로워; 상기 블로워실 하부에 구획된 공간으로서, 모터 냉매 유입부가 위치하며, 상기 블로워실과 연통되는 냉각실; 상기 블로우 오프 밸브와 상기 외기 유입실을 연결하는 제1순환관; 상기 모터 측과 상기 제1순환관을 연결하는 제2순환관; 및 상기 인버터실과 상기 외기 유입실을 연결하는 제3순환관;을 포함하는 터보 블로워 장치를 제공한다.
Patent KR-102339482-B1 (KR)
Title: Illegal drone signal processing-based response technology and method
Inventor: MOON SUNG WON
IPC: H04K3/00
Filed: 2021-08-10
Granted: 2021-12-15
Abstract: A neutralization method of a drone is an illegal drone signal processing-based response technology and a method thereof. The method comprises the following steps of: receiving a wireless signal radiated from a drone; determining whether the wireless signal is a drone control signal by comparing the received wireless signal with drone identification data; comparing converted wireless data with pre-stored drone model data to identify a drone model for the drone of the wireless signal when it is determined that the wireless signal of the wireless data is the drone control signal; determining whether the wireless signal can be decoded; changing safe landing coordinate data of the wireless signal when it is determined that the wireless signal can be decoded; generating a wireless control signal including the safe landing coordinate data; and radiating the generated wireless control signal to be transmitted to the drone of the wireless signal.
Patent KR-102504909-B1 (KR)
Title: 잠재 기부자 맞춤형 기부 모금함 추천 장치 및 방법
IPC: G06Q50/22
Filed: 2021-08-19
Granted: 2023-03-03
Abstract: 잠재 기부자의 생활 환경이나 주요 관심사와 근접한 분야의 기부 모금함을 추천함으로써 잠재 기부자의 관심을 이끌고 기부 실행에 동기와 의욕을 부여해줄 수 있는 잠재 기부자 맞춤형 기부 모금함 추천 장치 및 방법에 관한 것이다.
Patent KR-102354870-B1 (KR)
Title: Game Engine-based Digital Construction Safty Monitoring System
Inventor: KIM SUNG JIN
IPC: G06T19/00
Filed: 2021-08-20
Granted: 2022-01-21
Abstract: The present invention relates to a game engine-based digital construction site safety monitoring system with a new concept. The present invention automatically recognizes a worker and equipment from aerial image obtained in real time and monitors an unsafe activity of the worker according to established rules by reproducing it in a game engine by utilizing unmanned aerial vehicle system (UAS), game engine-based construction site internal traffic control plans (ITCP), and deep learning. The construction site safety monitoring system comprises: a safety plan management module (110); a mapping module (120); an unmanned aerial vehicle (130); an image analysis module (140); an engine module (150); and a monitoring module (160).
Patent KR-102343492-B1 (KR)
Title: Pouch for fermented food
Inventor: HEO KYEONG HOE
IPC: B65D81/26
Filed: 2021-08-20
Granted: 2021-12-27
Abstract: Disclosed is a pouch for storing fermented food, which comprises: a body unit formed in a pocket shape and storing fermented food emitting gas to an inner space thereof.
Patent KR-102397303-B1 (KR)
Inventor: CHOI YOUNG JAE
IPC: G08G1/14
Filed: 2021-08-24
Granted: 2022-05-12
Abstract: A visiting vehicle management system is disclosed. The visiting vehicle management system of the present invention includes: a management server for receiving reservation information including a vehicle number and a visit date and time for a visiting vehicle; an entry/exit information processing unit including a blocking portion, determining information on a vehicle including a vehicle number when the visiting vehicle enters the vehicle, and providing the information to the management server; and proximity information processing means for receiving information on a counterpart terminal by a proximity operation (tag) of the counterpart terminal and providing the information to the management server.
Patent KR-102358881-B1 (KR)
Title: Carbon Fiber Filament Inspection Device
Inventor: BAE JUN HO
IPC: B65H63/06
Filed: 2021-08-25
Granted: 2022-02-08
Abstract: The present invention relates to a device for inspecting the quality of a carbon fiber filament, which can actively reduce costs required for a quality inspection by securing a source technology capable of precisely inspecting a defect of yarn and tow forming a carbon fiber filament by excelling a carbon fiber filament inspection system monopolized by Germany, and can provide a product of high quality due to significant reduction in a defect rate occurring during product production, such that production efficiency is derived to be maximized. The device of the present invention comprises: a gearbox (10) embedded with at least one gear driven by a motor; a supply bobbin (20) for withdrawing a carbon fiber filament in one direction while being coupled to any one gear to be rotated; a discharge bobbin (30) for winding the carbon fiber filament completed with a quality inspection while being coupled to another gear to be rotated; and a sensor member (40) disposed between the supply bobbin and the discharge bobbin to analyze and inspect the quality of the carbon fiber filament.
Patent KR-102389951-B1 (KR)
Inventor: PARK GUY SIK
IPC: C01D3/06
Filed: 2021-08-27
Granted: 2022-04-22
Abstract: The present invention relates to an evaporation field structure of a novel configuration capable of concentrating sea water to a desired salinity level in a relatively short time, thereby producing concentrated sea water in an economical manner, and to a sea water concentration method of a novel type using the same. According to the present invention, provided is an evaporation field structure and a sea water concentration method using the same, wherein in an evaporation field for concentrating sea water by natural evaporation, an absorbent member (12) is installed on the bottom of the evaporation field (10). Accordingly, when sea water supplied to the evaporation field (10) is naturally evaporated and concentrated, the absorbent member (12) is salted in the concentrated sea water. As such, when concentrated sea water is discharged to the outside and sea water is newly supplied to the evaporation field (10), the salinity of the newly supplied sea water is increased by the salted absorbent member (12).
Patent KR-102524474-B1 (KR)
IPC: F16K17/00
Filed: 2021-08-30
Granted: 2023-04-24
Abstract: 일 실시 예에 따른 유체 조절 슬롯 밸브는, 유체의 유동 경로에 설치되어 유체가 통과하는 내부 공간과, 내부 공간으로부터 유체가 토출되는 토출 방향을 따라서 외부로 연통되는 토출구를 구비하는 하우징; 상기 내부 공간에서 상기 토출 방향에 수직한 방향을 따라서 슬라이딩 구동 가능하게 설치되고, 슬라이딩 구동 위치에 따라 상기 토출구의 배출 유량이 조절되는 슬라이딩 밸브; 및 상기 토출 방향에 수직한 슬라이딩 방향을 따라서 상기 슬라이딩 밸브에 연결되고 상기 슬라이딩 방향을 따라서 선형 구동되는 구동 링크;를 포함할 수 있다.
Patent KR-102521390-B1 (KR)
IPC: A47L13/502
Filed: 2021-09-06
Granted: 2023-04-12
Abstract: 본 발명은 마포걸레용 세척탈수기에 관한 것으로서, 사용자가 마포걸레의 세척 및 탈수를 한 곳에서 쉽고 간편하게 작업할 수 있도록 하고, 또한 세척 시 자동으로 마포걸레의 오염물 제거 및 세척가능하도록 하며, 또한 세척 시 마포걸레를 사용자가 뒤집지 않아도 상,하방향에 세척수가 충분히 전달되어 세척되도록 하고, 더불어 세척 시 사용자에게로 물튀는 현상을 방지하며, 마포걸레를 적은 힘을 가해도 충분한 압착력으로 탈수할 수 있도록 하여 남녀노소 누구나 손쉽게 사용할 수 있도록, 하면에 받침다리가 구비된 상부가 개방된 함체 형상으로 형성되되, 중앙의 격벽을 기준으로 전방에 세척수로 마포걸레를 세척하도록 마련된 세척실과, 후방에 세척한 마포걸레의 물기를 제거하도록 형성된 탈수실과, 상기 세척실과 탈수실을 통해 배수된 세척수가 모여 외부로 배수되는 집수실로 이루어진 본체와, 상기 세척실 양측 벽면과 회전가능하게 설치되도록 브러쉬로 이루어진 브러쉬롤러와, 상기 세척실에 설치되고, 외부에서 공급되는 세척수를 전기신호로 개폐하는 솔레노이드밸브가 설치된 유수관과 일단이 연결되어 세척수를 분사하는 분사노즐와, 상기 브러쉬롤러와 일단이 연결되는 모터와, 상기 솔레노이드밸브의 작동 및 모터의 구동을 제어하는 스위치와, 상기 탈수실에 설치되어 마포걸레 물기를 압착력으로 제거하는 탈수수단으로 구성된다.
Patent KR-102605337-B1 (KR)
Title: 폴리락테이트 입체이성질 복합체 및 이의 제조방법
IPC: C08G63/02
Filed: 2021-09-06
Granted: 2023-11-23
Abstract: 본 발명은 생분해성을 유지하면서도 우수한 내열성 및 현저히 향상된 신율 특성을 나타내는 폴리락테이트 입체이성질 복합체 및 이의 제조방법에 관한 것이다.
Patent KR-102395716-B1 (KR)
Inventor: KIM MOON HEE
IPC: G06F40/30
Filed: 2021-09-10
Granted: 2022-05-10
Abstract: The present invention relates to a method for providing information, as an information providing method in a service server for providing information on a review for an item, comprising the steps of: checking review data on a first item; determining representative review information for the first item based on the review data; providing a first page including the representative review information and detailed information of the first item; obtaining a first user input corresponding to the representative review information in the first page; and providing a second page including the review data on the first item according to the first user input.
Patent KR-102316000-B1 (KR)
IPC: G01R19/252
Filed: 2021-09-30
Granted: 2021-10-25
Abstract: 본 발명은 계통 주파수 측정 장치 및 방법에 관한 것으로서, 계통으로부터의 삼상 순시 전압에 대한 클럭 변환(Clarke Transform)을 통해 산출되는 해당 상의 복소 전압으로부터 해당 상의 위상을 획득하는 클럭 변환부, 두 시점에서의 계통 주파수 간의 차이가, 미리 정의된 기본 주파수 측정 샘플 수에 대하여 클럭 변환부에 의해 획득된 위상이 갖는 오차에 따라 결정되는 최대 주파수 오차 미만인 조건 하에서, 계통 주파수를 결정하기 위한, 현재 시점으로부터 역산되는 시구간에 위치하는 주파수 측정 샘플 수를 최적화하는 샘플 수 최적화부, 및 샘플 수 최적화부에 의해 최적화된 주파수 측정 샘플 수를 토대로 계통 주파수를 결정하는 주파수 결정부를 포함하는 것을 특징으로 한다.
Patent KR-102426099-B1 (KR)
Title: Attachment type extinguishing safety pad
Inventor: BAEK JONG UN
IPC: C09J11/04
Filed: 2021-09-30
Granted: 2022-07-28
Abstract: The present invention relates to an attachment-type extinguishing safety pad. The purpose of the present invention is to install the extinguishing safety pad, in which extinguishing capsules are distributed, in space where management is difficult and there is a great risk of a fire, such as a distribution board and a panel board, so that, at an initial time of a fire, a fire can be extinguished rapidly by the extinguishing capsules and spreading of the fire can be prevented. The attachment-type extinguishing safety pad of the present invention comprises a fire extinguishing unit consisting of 60 to 80 parts by weight of the extinguishing capsules and 20 to 40 parts by weight of a binder. The binder includes: 5 to 10 parts by weight of bisphenol A diglycidyl ether; 50 to 60 parts by weight of poly(oxypropylene)diamine; and 25 to 35 parts by weight of phenol, methylstyrenated.
Patent KR-102621464-B1 (KR)
IPC: G01N29/04
Filed: 2021-10-05
Granted: 2024-01-05
Abstract: 본 발명에 의하면, 콘크리트 외면의 특정 지점을 일정한 타격력으로 일정 시간동안 비주기적으로 복수회 타격하는 콘크리트 타격 장치; 상기 콘크리트 타격 장치의 타격에 의해 상기 콘크리트 외면에 발생하는 움직임의 속도를 측정하여 측정 데이터를 생산하는 속도 센서; 및 상기 타격에 의한 타격 데이터와 상기 측정 데이터를 이용하여 상기 콘크리트의 건전도를 분석하는 콘크리트 건전도 분석 장치를 포함하는, 콘크리트 건전도 평가 장비가 제공된다.
Patent KR-102418530-B1 (KR)
Inventor: LEE HYUNJONG
IPC: H01L21/67
Filed: 2021-10-12
Granted: 2022-07-07
Abstract: The present invention relates to a device for treating a semiconductor substrate. The device for treating a semiconductor substrate, which is capable of simultaneously performing different treating processes on a first semiconductor substrate and a second semiconductor substrate accommodated in one chamber, according to the present invention comprises: the one chamber; a fence part formed on one side inside the one chamber; a second stand; and a cover part located inside the one chamber and having a part capable of covering the fence part, wherein the cover part and the fence part divide the one chamber into a first sub-chamber for performing a first treatment process on the first semiconductor substrate while accommodating the first semiconductor substrate therein, and a second sub-chamber for performing a second treatment process on the second semiconductor substrate while accommodating the second semiconductor substrate therein, with the part of the cover part covering the fence part. The first semiconductor substrate can be mounted on the other part of the cover part, and the second stand is accommodated inside the second sub-chamber to mount the second semiconductor substrate thereon during the second treatment process. The first sub-chamber performs the first treatment process on the first semiconductor substrate mounted on the other part while the part of the cover part covers the fence part. The second semiconductor can move between the outside of the one chamber and the second stand while the part of the cover part does not cover the fence part.
Patent KR-102436666-B1 (KR)
Inventor: KIM TAE JOONG
IPC: G06N3/08
Filed: 2021-10-19
Granted: 2022-08-26
Abstract: The present invention relates to a hybrid chatbot service system and a service method thereof. The hybrid chatbot service system according to the present invention includes: a user terminal for receiving a query from a user, transmitting the query to a communication network, receiving response data to the query through the communication network, and displaying the response data on a screen; and a hybrid chatbot engine that receives the query through the communication network, obtains response data by utilizing both rule-based and AI-based chatbots, and transmits the same to the user terminal. Therefore, according to the present invention, in the case of natural language queries that are difficult to process in the rule base, it is possible to receive the query language and use both the rule base and AI artificial intelligence-based chatbots to interlock with an AI-based chatbot engine so as to process the intention analysis of user queries and so as to provide response data.
Patent KR-102522392-B1 (KR)
Inventor: KIM JU CHAN
IPC: C04B14/28
Filed: 2021-10-20
Granted: 2023-04-18
Abstract: 본 발명은 합성수지 경량자재를 포함하는 경화되지 않는 충진층을 이용한 층간소음 저감을 위한 온돌바닥구조 및 그 시공 방법에 관한 것으로서, 보다 상세하게는 보다 상세하게는 건물의 슬래브 상부에 소음 및 충격을 흡수하는 무경화충진층이 형성되도록 하되 상기 무경화충진층에 폴리에틸렌(PE), 폴리스티렌(PS), 에틸렌비닐아세테이트 공중합수지(EVA) 등의 발포비드, 조각물 또는 분쇄물로 이루어진 경량자재를 포함함으로써 슬래브 구조의 층간소음을 획기적으로 저감시킬 수 있으며, 무경화충진재의 압송이 원활하고 물의 건조에 의해 무경화충진층이 형성될 수 있으므로 시공성이 좋으며 시공비용을 절감할 수 있고, 점액질 형태의 충진재를 이용함으로써 비산 먼지 발생이 없어 환경 문제를 야기시키지 않는 동시에 산업현장에서 발생되는 부산물을 활용함으로써 친환경성을 향상시킬 수 있는 층간소음 저감을 위한 온돌바닥구조 및 그 시공 방법을 제공한다.
Patent KR-102388943-B1 (KR)
Inventor: JUNG CHAN GI
IPC: B65G47/06
Filed: 2021-10-25
Granted: 2022-04-21
Abstract: Provided is a spring feeder for manufacturing annular spring assemblies, which can automatically supply multiple springs at once to multiple spring fixing protrusions on an annular plate. The spring feeder according to the present invention comprises an upper support body, a middle support body, and a lower support body which have a fixed state. A rotatable spring-separating plate is coupled to a space portion formed below the upper support body, and a rotatable spring-providing plate is coupled to a space portion formed below the middle support body. Through-holes having the same number and the same diameter are formed at the edges of the upper support body, the spring-separating plate, the middle support body, the spring-providing plate, and the lower support body to have the same radius from the centers of the upper support body, the middle support body, and the lower support body. A stopper for positioning and fixing a spring in a through-hole is installed in the through-hole formed in the upper support body, and a sensor for detecting whether or not the spring passes is installed in the through-hole formed in the middle support body. The distance between the spring-separating plate and the spring-providing plate is set to be equal to the height of a spring. By rotation of the spring-separating plate, a spring interposed in the through-hole of the upper support body and a spring interposed in the through-hole of the middle support body are separated.
Patent KR-102342434-B1 (KR)
Title: A Method of Manufacturing an Insole that can be Re-Formed By Thermal Processing
Inventor: SHIN YOUNG JUN
IPC: B29C64/386
Filed: 2021-11-05
Granted: 2021-12-24
Abstract: Disclosed is a method for manufacturing an insole that can be re-formed by thermal processing. The disclosed insole manufacturing method comprises: a 3D scanning step (S10) of transmitting and storing the user's foot surface data scanned through a 3D scanner to a foot surface data module; a user foot modeling step (S20) of generating a three-dimensional user foot model (100) and storing the same in a 3D foot modeling module; an insole cutting step (S40) of cutting the insole along the edge of the user's sole extracted from the user foot model (100); a 3D printing step (S50) of 3D printing a corrected foot model (300) based on the user foot model (100); a foot printer molding step (S60) of applying a load to the corrected foot model produced through the 3D printing step (S50) to reflect the shape of the corrected foot model on a molding member (12); a foot printer curing step (S70) of curing the molding member (12) by cooling; an insole heating step (S80) of inserting the insole cut through the insole cutting step (S40) into a thermal processing machine (20) and heating the same; an insole molding step (S90) of molding the insole after the insole is seated on the cured molding member (12); an insole curing step (S100) of curing the molded insole by cooling the same; and an insole finishing step (S110) of processing the edge of the cured insole with a grinder.
Patent KR-102412782-B1 (KR)
Title: 케미컬 공급장치의 커플러 세정 장치 및 방법
IPC: H01L21/67
Filed: 2021-11-11
Granted: 2022-06-27
Abstract: 본 발명은 케미컬의 충진 전,후에 케미컬 공급장치의 커플러의 세정력 및 건조력을 향상시킬 수 있도록 하는 케미컬 공급장치의 커플러 세정 장치 및 방법을 제공함에 그 목적이 있다.  
이를 구현하기 위한 본 발명의 케미컬 공급장치의 커플러 세정 장치는, 탱크로리의 케미컬용 커넥터에 접속되는 케미컬 공급장치의 커플러의 내부에 잔류하는 케미컬 및 이물을 제거하기 위해 상기 커플러 내부에 상온보다 높은 온도로 가열된 세정수를 공급하는 고온수 공급부; 상기 가열된 세정수에 의한 커플러의 세정 후에 상기 커플러 내부에 잔류하는 세정수와 케미컬 및 이물이 배출되는 드레인부를 포함한다.
Patent KR-102618628-B1 (KR)
IPC: A61K9/20
Filed: 2021-11-24
Granted: 2023-12-27
Abstract: 본 개시의 일 측면은 유효성분으로 관절염 등의 치료 또는 개선에 유용한 위령선, 괄루근 및 하고초의 생약 추출물을 고함량 포함하는 제제에 관한 것이다. 본 개시의 일 측면에 따른 제제는 유효성분을 고함량 포함하면서도 크기가 작아 복약 편의성이 우수하고, 1일 2회 복용하더라도 우수한 관절염 치료 효과를 나타내는 방출 패턴 및 방출성을 가진다. 본 개시의 다른 측면은 위령선, 괄루근 및 하고초의 생약 추출물을 280-320 mg 포함하고, 1일 2회 복용하는 제제로 특정 방출 패턴을 가져 관절염 치료 효과가 뛰어난 제제에 관한 것이다.
Patent KR-102418985-B1 (KR)
Title: System and method for detecting section suspected of water leak
Inventor: CHA SANG HOON
IPC: G01L19/08
Filed: 2021-12-01
Granted: 2022-07-11
Abstract: The present invention relates to a system and method for detecting a section suspected of leakage, wherein the system measures a flow rate and water pressure at an injection pipe (1) connected to a water pipe network (2), where a section suspected of leakage is to be detected, to calculate friction loss coefficient of the injection pipe (1), and applies the friction loss coefficient of the injection pipe (10) to each section of the water pipe network (2) measuring water pressure of a node to estimate a flow rate for each section, so as to estimate leakage section by a change in the flow rate for each section.
Patent KR-102467336-B1 (KR)
Inventor: KIM NAM HEE
IPC: G06F3/0481
Filed: 2021-12-09
Granted: 2022-11-16
Abstract: Disclosed are an electronic device and a method for providing information related to a mart ordering service. According to the present disclosure, an electronic device provides a plurality of order category icons including order category icons corresponding to mart orders to a customer terminal through a first page, and a second page including a plurality of item category icons for ordering a mart and an expected mart delivery time to a customer terminal, when a customer selects the order category icons corresponding to the mart orders.
Patent KR-102590972-B1 (KR)
IPC: A47G19/02
Filed: 2021-12-14
Granted: 2023-10-19
Abstract: 바닥이 오목한 형상인 접시가 개시된다. 본 발명의 일 실시예에 따른 바닥이 오목한 형상인 접시는, 음식물이 놓이는 상측면 및 바닥면과 접촉하는 하측면을 포함하되, 상기 상측면은 상기 상측면의 외주연 중 임의의 두 지점을 연결한 선 중 가장 긴 선에 수직하는 가상의 선을 중심으로 좌우가 비대칭인 형상으로 형성되고, 상기 하측면은 상기 바닥면 방향으로 돌출되도록 오목한 형상으로 형성되는 것을 특징으로 한다.
Patent KR-102452714-B1 (KR)
Title: Chamber apparatus for both high pressure and vacuum process
Inventor: SHIN CHUL HEE
IPC: H01L21/67
Filed: 2021-12-23
Granted: 2022-10-07
Abstract: The present invention relates to a chamber device for combined high-pressure and vacuum processes. The chamber device comprises: a process chamber; a high-pressure process module including a pressure control pipe having one end connected to the process chamber, and at least one gas supply unit for injecting process gas from the other end of the pressure control pipe into the process chamber through the pressure control pipe so as to form the inside of the process chamber to be higher than atmospheric pressure; a negative pressure process module including a branch pipe branched from the pressure control pipe, and at least one fluid suction device connected to the branch pipe so as to communicate with the pressure control pipe, and controlling the inside of the process chamber to be lower than the atmospheric pressure by sucking the fluid in the process chamber in an opposite direction to the process gas injection direction through the pressure control pipe; and an isolation valve for opening and closing the branch pipe at the front of the fluid suction device to isolate the fluid suction device from the high-pressure process module when the process gas is injected. According to the present invention, both a high-pressure state and a high-vacuum state can be implemented using the single chamber.
Patent KR-102447918-B1 (KR)
Title: Nanoclustered metal composite graphite and lithium ion secondary battery using the same
Inventor: PARK JI HUN
IPC: H01M4/36
Filed: 2021-12-27
Granted: 2022-09-28
Abstract: The present invention provides nanoclustered metal composite graphite and a lithium ion secondary battery using the same to reduce the volume change of a graphite negative electrode material during charging and discharging of a lithium ion secondary battery, wherein the volume change of the graphite negative electrode materia during charging and discharging of the secondary battery is significantly reduced by a lithium ion secondary battery negative electrode material including the nanoclustered metal composite graphite dispersed in an amorphous carbon matrix.