baber/WOPTO huggingface dataset:
Patent WO-2018079900-A1 (WO)
Inventor: LEE JAE YU
IPC: B31B50/00
Filed: 2016-11-02
Abstract: La présente invention concerne un dispositif de modification de bloc de formation de matériau en carton qui peut modifier une position d'un bloc de formation pour former un matériau en carton en fonction des diverses tailles de matériau en carton, et comprenant : une unité obturateur pour soutenir sélectivement des côtés opposés d'une surface inférieure d'un matériau en carton lui étant fourni ; une unité de pliage transversal comportant un guide de panneau transversal et un guide de coin variables ; une unité de pliage longitudinal comportant un guide de panneau longitudinal variable ; une unité de pliage comportant une pluralité de parties de pliage qui plie une paroi interne verticale d'un matériau en carton ; et une unité de formation de partie supérieure pour plier des panneaux horizontaux et des panneaux verticaux d'un matériau en carton par abaissement du matériau en carton.
Patent WO-2018066746-A1 (WO)
Inventor: PARK MIHYUN
IPC: H04M1/72415
Filed: 2016-11-10
Abstract: La présente invention concerne un terminal mobile pouvant être porté au poignet et son procédé de commande. Un terminal mobile selon un mode de réalisation de la présente invention comprend : une bande conçue pour être portée autour du poignet d'un utilisateur ; un premier corps relié à la bande ; un second corps formé pour être fixé au premier corps ou détaché de ce dernier ; et une unité de commande pour fournir en sortie des informations relatives à un dispositif externe à différents dispositifs lorsque le premier corps et le second corps sont séparés l'un de l'autre et lorsque ces derniers sont liés l'un à l'autre, respectivement.
Patent WO-2017095092-A1 (WO)
Title: 화면 표시 방법 및 이를 수행하는 터치스크린을 포함하는 단말기
Inventor: LEE BYUNG SUN
IPC: G06F3/041
Filed: 2016-11-28
Abstract: 발명의 실시형태에 따른 화면 표시 방법은 터치스크린에 대한 터치가 입력되면 상기 입력된 터치의 터치 위치를 검출하는 터치 위치 검출단계; 상기 입력된 터치의 터치 압력의 크기를 검출하는 터치 압력 검출단계; 및 상기 터치 압력의 크기에 근거하여 상기 터치 위치 주위의 변경 대상 영역에 디스플레이되는 화면을 변경하여 상기 터치스크린에 디스플레이하는 디스플레이 단계;를 포함하고, 상기 변경 대상 영역은 제1 영역 및 상기 제1 영역 내부에 배치되는 제2 영역을 포함하고, 상기 제1 영역에 상기 제1 영역의 경계와 수직한 방향으로 확대된 화면이 디스플레이되고, 상기 제2 영역에 상기 제2 영역의 경계와 수직한 방향으로 축소된 화면이 디스플레이될 수 있다.
Patent WO-2017191990-A1 (WO)
Title: 진공 청소기
Inventor: HYUN KIETAK
IPC: A47L9/16
Filed: 2017-05-02
Abstract: 본 발명은, 청소기 본체; 및 상기 청소기 본체에 배치되는 집진장치를 포함하며, 상기 집진장치는, 외부 케이스의 내부에 배치되며, 외부로부터 유입된 공기에서 이물과 먼지를 걸러내고 이물과 먼지가 걸러진 공기를 내부로 유입시키도록 이루어지는 제1사이클론; 상기 제1사이클론의 내부에 수용되고, 상기 제1사이클론의 내부로 유입된 공기에서 미세먼지를 분리하도록 이루어지는 제2사이클론; 및 상기 제1사이클론의 하측에 배치되어 회전 가능하게 구성되며, 상기 외부 케이스와의 사이에서 상기 제1사이클론에 의해 걸러진 이물과 먼지를 집진하는 제1저장부를 한정하는 회전부재를 포함하며, 상기 회전부재에는 상부에서 외측으로 경사지게 하방향으로 연장되는 스커트부가 구비되는 진공 청소기를 개시한다.
Patent WO-2018221787-A1 (WO)
Title: 세척효율이 우수한 순환식 태양광 패널 세척장치
Inventor: CHOI JUNHO
IPC: B08B3/14
Filed: 2017-08-22
Abstract: 본 발명은 프레임과, 상기 프레임에 고정되어 태양광에 노출되도록 설치되는 적어도 하나 이상의 태양광 패널과, 상기 태양광 패널의 하측에 위치하는 적어도 하나 이상의 물받이와, 내부가 통공된 구조를 가지되, 일측면이 상기 프레임 하측부와 결합되고 타측면은 상기 물받이와 결합되는 적어도 하나 이상의 고정 블록과, 일부가 외부로 노출되면서 토출구가 태양광 패널 방향으로 향하도록 상기 고정 블록에 구비되는 복수개의 분사 노즐 및 상기 고정 블록의 통공된 부분을 관통하되, 상기 복수개의 분사 노즐이 결속되는 유출 배관을 포함하는 것을 특징으로 하는 세척효율이 우수한 순환식 태양광 패널 세척장치를 제공한다.
Patent WO-2018080095-A1 (WO)
Title: 태양전지 전극용 도전성 페이스트 및 이를 사용하여 제조된 태양전지
Inventor: KO MIN SOO
IPC: H01L31/18
Filed: 2017-10-18
Abstract: 본 발명은 금속 분말, 유리 프릿 및 유기 비히클을 포함하는 페이스트로서, 상기 금속 분말은 소결 수축률이 15 내지 30%인 금속 분말을 포함하는 것을 특징으로 하는 태양전지 전극용 도전성 페이스트에 관한 것으로, 소결 수축률이 증가된 금속 분말을 포함하는 도전성 페이스트를 이용하여 형성된 태양전지 전면 전극의 수광 면적을 증가시키고 단락전류(short circuit current, Isc)를 증가시켜 태양전극의 발전효율을 향상시킬 수 있다.
Patent WO-2019009472-A1 (WO)
Title: Marker for determining presence of arachis hypogaea in food and use thereof
Inventor: SHIM WON-BO
IPC: G01N33/68
Filed: 2017-11-22
Abstract: The present invention relates to a marker for determining the presence of Arachis hypogaea 1 (Ara h1) derived from Arachis hypogaea in food containing Arachis hypogaea and a use thereof. A monoclonal antibody of the present invention, which is produced by a hybridoma cell line of deposit number KCTC 13295BP, and which specifically binds to Arachis hypogaea-derived Ara h1, can effectively analyze Arachis hypogaea mixed in food.
Patent WO-2018135754-A1 (WO)
Title: 레이더 시스템의 클러터 제거 및 다중 표적 추적방법
Inventor: CHOI SOO HO
IPC: G01S13/44
Filed: 2017-12-08
Abstract: 레이더 시스템의 클러터 제거 및 다중 표적 추적방법에 관한 것으로, (a) 레이더 시스템의 송수신부에서 주변으로 레이더 신호를 송신하고, 표적에서 반사되는 신호를 수신하는 단계, (b) 제어부에서 수신된 레이더 신호를 이용해서 레이더 검지정보를 생성하는 단계, (c) 상기 레이더 검지정보에서 클러터 정보를 제거하는 단계, (d) 상기 클러터 정보가 제거된 레이더 검지정보를 이용한 표적 추적 예측 정보와 실제 검출정보가 매칭되는지 검사하는 단계 및 (e) 상기 (d)단계의 검사결과 매칭 및 언매칭된 모든 추적 정보를 이용해서 추적 히스토리를 갱신하는 단계를 포함하는 구성을 마련하여, 다중 표적 검출정보를 이용해서 클러터를 제거하고, 동일 표적을 추적하며, 미탐지 표적 추정을 통하여 표적 오경보율을 감소시키고, 표적 탐지율과 측정정보의 정확도를 향상시킬 수 있다.
Patent WO-2018186604-A1 (WO)
Title: 배터리 팩
Inventor: YANG SEO HOON
IPC: H01M10/42
Filed: 2018-03-15
Abstract: 본 발명에서는 배터리 팩이 개시된다. 상기 배터리 팩은, 전극 조립체를 포함하는 베어 셀 본체와 베어 셀 본체 주변의 실링부를 포함하는 베어 셀과, 베어 셀과 전기적으로 연결된 것으로, 베어 셀 본체와 반대되는 전면부를 포함하고, 전면부의 일 측에는 전면부에 대해 사선 방향으로 경사진 모따기부가 형성된 회로기판 및 회로기판의 모따기부를 통하여 연장되는 커넥션 배선을 포함한다. 본 발명에 의하면, 배터리 팩이 장착되는 세트 기기의 제한된 공간 내에서 세트 기기와의 물리적인 간섭이 회피될 수 있고, 세트 기기와의 전기적인 연결을 형성하는 커넥션 배선의 손상이나 단선이 방지되는 배터리 팩이 제공된다.
Patent WO-2020022572-A1 (WO)
Title: Smart device and method for controlling same
Inventor: PARK SUNGHEUM
IPC: G10L17/02
Filed: 2018-11-19
Abstract: The present invention relates to a smart device and a method for controlling same. A smart device control method according to an aspect of the present invention which corresponds to a listening window control method performed by a smart device operable in a listening mode and a wake-up word detection mode, comprises the steps of: opening a listening window when a voice signal received during operation in the wake-up word detection mode includes a wake-up word; receiving a voice from a user during operation in the listening mode; and closing the listening window after completion of voice reception from the user, wherein the closing time of the listening window is determined on the basis of characteristics of the voice received from the user.
Patent WO-2019156394-A1 (WO)
Title: Method for preparing a graft copolymer, and thermoplastic resin molded product
Inventor: CHAI JOO BYUNG
IPC: C08F279/04
Filed: 2019-01-23
Abstract: The present invention relates to a method for preparing a graft copolymer comprising the steps of: preparing a conjugated diene-based polymer with a small particle size by polymerizing a conjugated diene-based monomer; preparing a conjugated diene-based polymer with a large particle size by enlarging the conjugated diene-based polymer with a small particle size; and preparing a graft copolymer by polymerizing the conjugated diene-based polymer with a small particle size, the conjugated diene-based polymer with a large particle size, an aromatic vinyl-based monomer, and a vinyl cyanide-based monomer, wherein, in the step for preparing a graft copolymer, the weight ratio between the conjugated diene-based polymer with a small particle size and the conjugated diene-based polymer with a large particle size is 10:90 to 40:60.
Patent WO-2019147076-A1 (WO)
Title: Gesture recognition device and method using radar
Inventor: CHO SUNG HO
IPC: G06F3/01
Filed: 2019-01-25
Abstract: A gesture recognition device and method using radar are disclosed. The disclosed device comprises: a signal receiving unit for receiving a radar signal reflected by a gesture of a user; a clutter removing unit for removing clutter from the signal received by the signal receiving unit; a signal magnitude variance acquiring unit for acquiring the variance of a signal magnitude from a reflection signal from which the clutter has been removed; a maximum value time of arrival (ToA) variance acquiring unit for acquiring a TOA corresponding to the maximum value of fast time signals constituting the reflection signal from which the clutter has been removed, and acquiring a variance of ToAs corresponding to the acquired maximum value; a frequency acquiring unit for calculating the frequency of the reflection signal from which the clutter has been removed; a reference database for storing reference characteristic information of a predetermined plurality of reference gestures; and a gesture recognition unit for determining to which reference gesture the gesture of the user corresponds, by using the signal magnitude variance, the maximum ToA variance and the frequency, and the reference characteristic information stored in the reference database. The disclosed device and method have an advantage of enabling a gesture to be recognized with performance that is robust to changes in distance and direction between a user and a radar sensor.
Patent WO-2019194472-A1 (WO)
Title: Finish position-correcting golf shoe
Inventor: JOH HYUNSUNG
IPC: A43B5/00
Filed: 2019-03-28
Abstract: The present invention relates to a finish position-correcting golf shoe which, during each swing, allows a wearer to stably and uniformly take a finish position, which is the last step of a swing, wherein the outsole of the golf shoe acting as a rotation axis during a swing has a position correction area formed from one side of a weight support area, on which the wearer's weight is rested, at the longitudinally central portion of the outsole to the outer edge line in an outer direction therefrom, so as to allow the lifting of the golf shoe up to a uniform lift angle during a swing and thus allow the wearer to correct the wearer's finish position.
Patent WO-2019198957-A1 (WO)
Title: Differential transmission
Inventor: LIM SUN HO
IPC: F16H1/32
Filed: 2019-03-29
Abstract: Disclosed is a differential transmission. A differential transmission according to an embodiment of the present invention comprises: a pin-gear type main body unit provided with a pin-gear type main body housing in which input or output is made through a plurality of pins which are rotatably coupled along the direction of an outer circumferential surface of the pin-gear type main body housing, a high-speed shaft which is provided at one side of the pin-gear type main body housing and through which input or output is made at a first speed, which is relatively high speed, a low-speed shaft which is provided at the other side of the pin-gear type main body housing and through which input or output is made at a second speed, which is lower than the first speed, and a deceleration unit which is provided within the pin-gear type main body housing and reduces an input speed; and a high-speed shaft connection unit which is connected to the high-speed shaft of the pin-gear type main body unit such that input or output is made through the high-speed shaft.
Patent WO-2020251108-A1 (WO)
Inventor: KIM DAE HA
IPC: B28B7/36
Filed: 2019-06-21
Abstract: The present embodiment relates to a pressure infiltration mold and a method for manufacturing a pressure infiltration mold. A pressure infiltration mold, according to one aspect, comprises: a housing having therein a space into which a reinforcement pre-form and a matrix material are inserted; and a coating layer formed on the inner surface of the housing, wherein the coating layer is a layer coated with AlN.
Patent WO-2020055214-A1 (WO)
Title: Vacuum cleaner
Inventor: LEE YOUNGJOO
IPC: A47L9/32
Filed: 2019-09-16
Abstract: A vacuum cleaner according to the present embodiment comprises: a suctioning unit; a main body including a cyclone unit for separating dust from the dust suctioned through the suctioning unit, a body forming a dust container for storing the dust separated by the cyclone unit, and a body cover for opening and closing the lower side of the body; a filter unit, arranged in the body, for filtering air during the passing of air from which the dust has been separated; an actuating unit capable of moving in the body along a space between the outside of the filter unit and the inner circumferential surface of the body; an operating unit which is arranged outside the body and which operates in order to move the actuating unit; and a transmission unit which connects the actuating unit with the operating unit by penetrating the body and which is positioned outside the radial direction of the inner circumferential surface on which a cyclone flow is formed in the body.
Patent WO-2020138672-A1 (WO)
Inventor: CHOI JINHYUK
IPC: G01R19/165
Filed: 2019-10-21
Abstract: 본 발명의 다양한 실시예에 따른 전자장치는, 적어도 하나의 단자를 포함하는 커넥터, 접속기 제어 회로, 전원 공급 모듈, 상기 커넥터, 상기 접속기 제어 회로 및 상기 전원 공급 모듈과 작동적으로 연결된 프로세서 및 상기 프로세서와 작동적으로 연결된 메모리를 포함할 수 있다. 상기 메모리는, 실행시에, 상기 프로세서가, 상기 접속기 제어 회로를 통해 상기 커넥터에 포함된 제 1 단자를 전원단에 연결하고, 상기 전원 공급 모듈을 사용하여 설정된 제 1 전압을 상기 커넥터에 포함된 제 2 단자에 인가하고, 상기 제 2 단자의 제 1 저항 감지 전압을 측정하고, 상기 측정된 제 1 저항 감지 전압이 제 1 임계값 미만인 경우 상기 접속기 제어 회로를 이용하여 상기 제 1 단자에 대한 전원단의 연결을 차단하고, 상기 전원 공급 모듈을 사용하여 설정된 제 2 전압을 상기 커넥터에 포함된 제 2 단자에 인가하고, 상기 제 2 단자의 제 2 저항 감지 전압을 측정하고, 상기 측정된 제 2 저항 감지 전압이 제 2 임계값 미만인 경우 상기 접속기 제어 회로를 이용하여 상기 제 1 단자에 대한 전원단의 연결을 허용하도록 하는 인스트럭션들을 저장할 수 있다. 또한, 다른 실시 예가 가능하다.
Patent WO-2020096355-A1 (WO)
Title: Electronic device including housing having pattern formed thereon
Inventor: CHUN JIHWAN
IPC: H05K5/00
Filed: 2019-11-06
Abstract: An electronic device is disclosed. The electronic device comprises: a housing; and a pattern region formed on at least a portion of the surface of the housing. The pattern region includes a first edge, a second edge, and a first pattern formed between the first edge and the second edge. The first pattern includes a first floor portion, a first valley portion and a second valley portion which are positioned closer than the first floor portion to the inner space of the housing, and a first inclined surface extending from the first floor portion to the first valley portion and the second valley portion. The first floor portion may be formed in a first color, and the first inclined surface may be formed in a second color.
Patent WO-2020159297-A1 (WO)
Inventor: LEE SEUNGMIN
IPC: H04W72/12
Filed: 2020-01-31
Abstract: 일 실시예는, 무선통신시스템에서 단말이 사이드링크 신호를 전송하는 방법에 있어서, Physical Sidelink Shared Channel (PSSCH) 또는 Physical Sidelink Control Channel (PSCCH) 전송을 위한 하나 이상의 서브채널을 선택하는 단계; 및 상기 하나 이상의 서브채널을 통해 상기 PSSCH 또는 상기 PSCCH를 전송하는 단계를 포함하며, 상기 단말은 Priority가 임계값 이상, target reliability가 임계값 이상, latency requirement가 임계값 미만, QoS requirement가 임계값 이상, SSB 측정 값이 임계값 이상 중 적어도 하나 이상에 기초하여, 상기 서브채널을 Sidelink Synchronization Signal Block (S-SSB)와 Frequency Division Multiplexing (FDM)된 자원에서 선택하는, 방법이다.
Patent WO-2021261623-A1 (WO)
Inventor: CHUNG SEOK
IPC: C12N5/0793
Filed: 2020-06-25
Abstract: The present invention provides a brain organoid production method.
Patent WO-2021006590-A1 (WO)
Title: Docking device and mobile robot system
Inventor: JO WONCHUL
IPC: B25J11/00
Filed: 2020-07-07
Abstract: The present disclosure discloses a docking device including a charging terminal, a power supply unit of supplying power to the charging terminal, a communication module of exchanging data with a mobile robot, a voice recognition module of collecting a voice and extracting a voice command from the collected voice, and a charging-station controller of controlling the communication module to transmit the voice command extracted from the voice recognition module to the mobile robot.
Patent WO-2021010727-A1 (WO)
Inventor: YOON EUN YOUNG
IPC: G06F3/0481
Filed: 2020-07-14
Abstract: A remote cognitive training system is provided with: an AI speaker or set-top box for receiving a cognitive training program through wired or wireless communication from an external training center; a display for playing back the cognitive training program received through the AI speaker or set-top box; a motion capture device which detects the motion of a user while the user undergoes training according to the cognitive training program being played back on the display; and a training program providing unit which provides the cognitive training program. The training program providing unit includes a first program providing unit for providing the cognitive training program and a second program providing unit for providing a memory and mental health training program. The AI speaker or set-top box includes a training determination unit which compares a user's motion, detected by the motion capture device while the user remotely undergoes the training according to the cognitive training program provided by the first program providing unit, with a corresponding motion in the cognitive training program, and determines whether to proceed to the after the current training or re-conduct the current training.
Patent WO-2021040462-A1 (WO)
Inventor: YOO CHANG HUN
IPC: G06Q20/34
Filed: 2020-08-28
Abstract: The present invention provides a method for providing a virtual corporate card-based financial transaction, comprising the steps in which: a server receives a virtual corporate card number for employees or searches for a pre-stored virtual corporate card number for employees, wherein the virtual corporate card number for employees is generated by a virtual corporate card number generation function included in an administrator application registered to the server; the server searches for a storage position of CID on the basis of the virtual corporate card number for employees; the server extracts a corporate card use condition matched with and stored in the retrieved storage position of the CID or a corporate card use condition included in the virtual corporate card number for employees; the server verifies the virtual corporate card number for employees; and the server makes a payment by using a real corporate card number or a representative virtual corporate card number matched with and stored in the storage position of the CID on the basis of the corporate card use condition.
Patent WO-2021177524-A1 (WO)
Inventor: KIM GAB SOO
IPC: B26B19/14
Filed: 2020-09-23
Abstract: The present invention relates to a nose hair cutter which includes a cutting part having an optimally designed structure to significantly improve the cutting performance. In the present invention, the upper end of a fixed outer casing is arranged to be longer than the upper end of an inner cutting part formed in a rotary inner casing so as to maintain a predetermined gap therebetween, whereby nose hair can be guided to a curved part as soon as the nose hair is caught in a groove of the fixed outer casing and is lowered down. Further, the lower end of an inclined surface is formed to be relatively wide to enable smooth cutting.
Patent WO-2021071140-A1 (WO)
Title: Antenna device implementing spatial-polarization separation of beams using quad-polarized antenna module array
Inventor: KIM DUK YONG
IPC: H01Q21/24
Filed: 2020-09-24
Abstract: Disclosed is an antenna device implementing spatial-polarization separation of beams using a quad-polarized antenna module array. According to one embodiment of the present invention, provided is an antenna device capable of spatial-polarization separation of beams, the device comprising: a quad-polarized antenna module array which includes first and second quad-polarized antenna modules in which signal paths of radiating elements having the same polarization direction are coupled to each other, and which radiates first and second beams having different polarizations; and a polarization/separation beam-forming module which sets different phases between signals such that the first beam and the second beam are separated in a space. Representative drawing: Figure 12
Patent WO-2021101204-A1 (WO)
Inventor: HENDRY HENDRY
IPC: H04N19/82
Filed: 2020-11-17
Abstract: A decoding method performed by a decoding apparatus, according to embodiments of the present document, may comprise the steps of: acquiring, via a bitstream, image information including residual information; generating reconstructed samples of a current picture on the basis of the residual information; and generating modified reconstructed samples by performing an in-loop filtering procedure on the reconstructed samples of the current picture, wherein whether or not the in-loop filtering procedure is performed across virtual boundaries is determined. The virtual boundaries can bring, to the decoding apparatus, advantages from a hardware perspective.
Patent WO-2021107492-A1 (WO)
Title: 영상 감시 시스템
Inventor: LEE JEE HWAN
IPC: H04L29/06
Filed: 2020-11-18
Abstract: 네트웍 카메라가 외부 단말기를 이용한 크래커에 의해 해킹된 경우에 해킹으로 인한 피해가 다른 네트웍 카메라 또는 내부망으로 확대되는 것을 차단할 수 있는 영상 데이터 전송 방법과 영상 감시 시스템. 본 발명의 일 측면에 따른 영상 데이터 전송 방법은 데이터를 획득할 수 있는 다수의 카메라와, 상기 다수의 카메라로부터 상기 영상 데이터를 수신할 수 있는 관제 서버를 구비하는 영상 감시 시스템에서 수행된다. 영상 데이터 전송 방법은 상기 다수의 카메라가 각각의 영상 데이터를 보안 터널링에 의해 상기 관제 서버에 전송하는 단계; 및 상기 관제 서버가 상기 다수의 카메라 각각으로부터 수신되는 상기 영상 데이터를 단방향 영상 데이터로 변환하는 단계;를 포함한다.
Patent WO-2021101265-A1 (WO)
Title: 약물전달용 나노입자 조성물 제조용 키트
Inventor: LEE SO JIN
IPC: A61K47/18
Filed: 2020-11-19
Abstract: 본 발명은 약물전달용 나노입자 조성물을 제조하기 위한 키트에 관한 것으로, 보다 구체적으로는, 폴리락트산염을 포함하지 않으며, 키트 구성성분인 양친성 블록 공중합체, 양이온성 화합물 및 약물을 단순 혼합하는 것만으로 약물이 그 내부에 봉입되어 있는 나노입자를 쉽게 형성할 수 있도록 설계된 약물전달용 나노입자 조성물 제조용 키트에 관한 것이다.
Patent WO-2021187720-A1 (WO)
Inventor: KI SUNG JONG
IPC: A24D1/20
Filed: 2020-11-27
Abstract: Une cigarette pour un dispositif de génération d'aérosol comprend un boudin de tabac contenant un matériau de génération d'aérosol ; et un boudin de refroidissement disposé sur un côté du boudin de tabac et comprenant un creux s'étendant dans une direction longitudinale de la cigarette, une couche de matériau de refroidissement étant appliquée sur une surface interne du boudin de refroidissement.
Patent WO-2021112519-A1 (WO)
Title: Hot-dipped galvanized steel sheet having excellent bending workability and corrosion resistance and manufacturing method therefor
Inventor: KIM SUNG-JOO
IPC: C23C2/26
Filed: 2020-12-01
Abstract: A hot-dipped galvanized steel sheet having excellent bending workability and corrosion resistance and a manufacturing method therefor are provided. A hot-dipped galvanized steel sheet of the present invention comprises: a base steel sheet; a Zn-Mg-Al based plated layer provided on at least one surface of the base steel sheet and including, in wt%, with respect to components other than iron (Fe) diffused from the base steel sheet, 5.1-25% of Al, 4.0-10% of Mg, and the remainder of Zn and other inevitable impurities; and an interfacial alloy layer having a Fe-Al-Zn composition formed between the base steel sheet and the plated layer, wherein the interfacial alloy layer has a thickness of 0.5-2 ㎛ and has a dendritic form, the Zn-Mg-Al based plated layer has a Zn-Al-MgZn  2  ternary eutectic structure, a Zn-MgZn  2  binary eutectic structure, and a structure including one or more of an Al single-phase structure having solid-solubilized Zn and a Zn single-phase structure, and agglomerated Al is included in a MgZn  2  structure.
Patent WO-2021112638-A1 (WO)
Inventor: KO SUNGHO
IPC: B01L3/00
Filed: 2020-12-04
Abstract: The present invention relates to a biomimetic nerve chip for evaluating the efficacy and toxicity of a drug, a method for evaluating the efficacy of a drug on nerve cells through astrocytes by using the biomimetic nerve chip, and a method for evaluating the toxicity of a drug on nerve cells through astrocytes by using the biomimetic nerve chip, the biomimetic nerve chip comprising: an astrocyte supply unit and a nerve cell supply unit for simulating nerve tissue; and a culture solution supply unit for supplying a culture solution to the astrocyte supply unit and the nerve cell supply unit. By using the biomimetic nerve chip for evaluating the efficacy and toxicity of a drug provided in the present invention, it is possible to overcome inaccuracies due to differences between the different species in animal experiments in the study of nerve tissues, and using a combination of astrocytes and nerve cells enables use of the nerve chip as a platform to more accurately evaluate the efficacy and toxicity of a drug under conditions similar to in vivo conditions, and the nerve chip can be applied to studies of microenvironments in nerve tissues and other organ-on-a-chip studies. Therefore, the present invention may be utilized in the development of a human-on-a-chip that can effectively analyze the efficacy and toxicity of a drug.