baber/WOPTO huggingface dataset:
Patent KR-20220159192-A (KR)
Inventor: SUN HYUN MEE
IPC: A23G1/00
Filed: 2021-05-25
Abstract: The present invention relates to a preparation method of marshmallow chocolate waffle and, more specifically, to a preparation method of marshmallow chocolate waffle, which comprises: a marshmallow preparation step of mixing starch syrup, refined sugar, sugar mixture, gelatin, trehalose, glucose, purified water, pectin, modified starch, and vanilla flavoring; a chocolate preparation step of mixing Carabella dark, Carabella white, cocoa butter, and cocoa Mass; a marshmallow coating step of coating the surface of waffle with the marshmallow prepared in the marshmallow preparation step; a chocolate coating step of coating the surface of the waffle coated with the marshmallow in the marshmallow coating step with the chocolate prepared in the chocolate preparation step; and a peanut topping step of applying peanuts to the chocolate-coated waffle coated in the chocolate coating step. The marshmallow chocolate waffle prepared according to the present invention contains plenty of nutrients, is digested well, and has excellent taste, flavor, texture, and preservation.
Patent KR-20220162577-A (KR)
Title: Pump control device and control system for protection of fire fighting pump
Inventor: OK YUN SUN
IPC: A62C31/00
Filed: 2021-06-01
Abstract: The present invention relates to a pump control device for fire pump protection, and a control system thereof. More specifically, the present invention relates to a pump control device for fire pump protection based on automatic operation of fire pumps for fire facilities, and a control system thereof. According to the present invention, the pump control device comprises: a control unit (170) which controls to maintain the stop pressure for a fire pump (110), determines whether a pressure sensed value in a pressure switch-1 (120) is smaller than or equal to the starting pressure according to the use of fire extinguishing water, transmits a pressure drop signal to a monitoring control panel (300) when the pressure value measured at the pressure switch-1 (130) is smaller than or equal to the starting pressure as a result of the analysis, transfers a pump start signal to a power control panel (200), and controls the fire pump (110) to automatically start.
Patent KR-20210068367-A (KR)
Title: Semiconductor device, display device, and electronic equipment
Inventor: SASAKI TOSHINARI
IPC: H01L29/66
Filed: 2021-06-02
Abstract: An objective of the present invention is to fabricate a highly reliable semiconductor device including a thin film transistor having the stable electrical characteristics. In a method of fabricating a semiconductor device including a thin film transistor using an oxide semiconductor film as a semiconductor layer including a channel formation region, heat treatment (for dehydration or dehydrogenation) for increasing the purity of the oxide semiconductor film and reducing impurities such as moisture is performed. Thereafter, cooling is performed in an oxygen atmosphere. The heat treatment reduces not only impurities such as moisture present in the oxide semiconductor film, but also impurities such as moisture present in a gate insulating layer, and reduces impurities such as moisture at the interface between the oxide semiconductor film and films installed in contact with the upper and lower sides of the oxide semiconductor film.
Patent KR-20220088276-A (KR)
Title: 캐시 기반의 챗봇 간 경쟁 유도 방법 및 장치
Inventor: KIM DOO HYUN
IPC: G06F16/332
Filed: 2021-06-02
Abstract: 멀티 챗봇 시스템의 만족도 개선을 위한 캐시 기반의 경쟁 유도 방법 및 장치가 개시된다.  다양한 실시예들에 따른, 멀티 챗봇 서비스를 중개하는 중개 장치의 동작 방법은, 사용자 단말로부터 사용자의 질문을 수신하는 동작; 캐시 메모리에 저장된 Q&A 세트들에 상기 사용자의 질문과 일치하는 질문이 있는지 확인하는 동작; 상기 캐시 메모리에 대한 확인 결과에 기초하여 상기 사용자의 질문에 대한 정보가 컴페티션 보드에 있는지 확인하는 동작; 및 상기 캐시 메모리에 대한 확인 결과 및 상기 컴페티션 보드에 대한 대한 확인 결과 중에서 하나 이상에 기초하여 상기 Q&A 세트들 중 하나의 Q&A 세트의 응답 또는 챗봇으로부터 전달받은 응답을 상기 사용자 단말로 전송하는 동작을 포함할 수 있다.
Patent KR-20220169302-A (KR)
Title: water pipe cleaning apparatus by turning brush using high pressure water and method for cleaning water pipe using the same
Inventor: LEE DONG HOON
IPC: E03B7/09
Filed: 2021-06-18
Abstract: The present invention provides a device for cleaning the inside of a water pipe with a brush transferred and rotated by high-pressure water and air and a method for cleaning a water pipe using the same. The device for cleaning the inside of a water pipe includes a packing (10) based on a surface corresponding to a direction in which a fluid of a high-pressure flows. The high-pressure water and air discharged through a distribution port (11) of the packing collide with a propeller (40) and rotate the propeller (40). At the same time, a direction is changed. So, the device for cleaning the inside of a water pipe can firstly clean an inner wall of the water pipe, and the brush (50) connected to the propeller (40) secondarily cleans the inner wall of the water pipe. Moreover, the device for cleaning the inside of a water pipe thirdly and fourthly cleans the water pipes at least four times or more with a brush unit (12) of the multiple packings (10). The device for cleaning the inside of a water pipe includes a lamp and a camera facing the rear to check a pipe state after cleaning and record the checked pipe state as a video. The device for cleaning the inside of a water pipe discharges foreign substances cleaned and separated from the pipe at once by activating the high-pressure water and the air once. Also, the device for cleaning the inside of a water pipe controls a flow rate and pressure of the air and the high-pressure water on the ground, thereby controlling cleaning intensity and transfer speed. A wireless controller operated on the ground is formed to enable a user to check a position and recognize abnormality. Moreover, the device for cleaning the inside of a water pipe with a brush transferred and rotated by high-pressure water and air provides easy entry and exit by entering and exiting using birds around an underground control valve which is a public facility installed in advance.
Patent KR-20220088279-A (KR)
Title: 빛에 반응하는 뉴런 소자를 구현하는 트랜지스터
Inventor: CHOI YANG KYU
IPC: H01L31/10
Filed: 2021-06-21
Abstract: 빛에 반응하는 뉴런 소자를 구현하는 트랜지스터가 개시된다.  일 실시예에 따르면, 트랜지스터는, 정공 배리어 영역 또는 전자 배리어 영역을 포함하는 반도체 기판; 상기 정공 배리어 영역 또는 상기 전자 배리어 영역 상에 수평 방향으로 연장 형성되는 부유 바디층(Floating body); 상기 부유 바디층의 양단에 형성되는 소스 영역 및 드레인 영역; 상기 부유 바디층 상에 형성되는 게이트 절연막; 및 상기 게이트 절연막 상에 형성되는 게이트 영역을 포함한다.
Patent KR-20220146991-A (KR)
Inventor: KIM YOUNG GON
IPC: H01L21/683
Filed: 2021-06-23
Abstract: The present disclosure relates to a coating type high temperature electrostatic chuck. A technical problem to be solved is to provide a large-area coating type high temperature electrostatic chuck that does not warp even in a high temperature environment and has excellent flatness. To this end, provided is a coating type high temperature electrostatic chuck that includes: a base member; and a support member comprising a first dielectric layer directly coated on the base member without a bonding layer, an electrode layer formed on the first dielectric layer, and a second dielectric layer coated on the first dielectric layer and the electrode layer. The standard deviation of the thermal expansion coefficient between the base member and the support member is 0.01% to 10%.
Patent KR-20230001106-A (KR)
Title: Apparatus for removing dust from raw materials
Inventor: CHO JWA JIN
IPC: B04C5/24
Filed: 2021-06-28
Abstract: The present invention relates to an apparatus for removing dust from raw materials, which comprises: a raw material input pipe where raw materials are introduced from the top; an air inlet pipe arranged on the outer side of the raw material input pipe, where air is introduced; a nozzle unit arranged on a lower side of the air inlet pipe, through which the raw material and the air are introduced inside, mixed, and supplied downward; a main body where the nozzle unit is inserted from the top, wherein the main body has a first outlet arranged in an upper part to discharge dust and air, a second outlet arranged at the bottom to discharge raw materials and air, and an inlet arranged on a side part, where secondary air is introduced; and an internal cone unit arranged in the main body such that an upper cone is inserted into a bottom of the nozzle unit and an expansion portion in a bottom of the upper cone can approach to face the internal surface of the main body, wherein dust is primarily separated from the raw material colliding with the upper cone and secondarily separated from the raw material that collides while passing through a gap between the expansion portion and the inner surface of the main body, and as secondary air introduced through the inlet flows backwards through the expansion portion and the inner surface of the main body, the secondary air having an increasing speed is discharged through the first outlet along with the dust. According to the present invention, sufficient impact force and a discharge speed can be provided to completely separate dust and foreign substances from raw materials, and the speed of raw materials and dust is adjusted by a variable cross-sectional area of the nozzle to suit the capacity, thereby providing excellent efficiency of removing dust from the raw material.
Patent KR-20230005541-A (KR)
Title: Fuctinoal Seed Mat
Inventor: KIM YONG JIN
IPC: A01G24/46
Filed: 2021-07-01
Abstract: The present invention relates to a functional seed mat to increase seed germination rate. According to one embodiment of the present invention, the functional seed mat comprises: a lower vegetation area placed on the soil and made of pulp; an upper vegetation area disposed on the lower vegetation area, overlapping the lower vegetation area, and formed of pulp; and an auxiliary layer disposed on the upper vegetation area and overlapping with the upper vegetation area, wherein a plurality of seeds are provided spaced apart between the lower vegetation area and the upper vegetation area. The auxiliary layer includes: a support strand including a first support strand and a second support strand spaced apart from the first support strand; and a connection strand connecting the first support strand and the second support strand. Each of the first support strand and second support strand is bent to one side and the other side of a second direction intersecting a first direction while extending in the first direction. The first support strand includes a first one-side bending strand bent to one side in the second direction and a first support other-side bending strand connected to the first support one-side bending strand and bent to the other side in the second direction. The second support strand includes a second support one-side bending strand bent to one side in the second direction and a second support other-side bending strand connected to the second support one-side bending strand and bent to the other side in the second direction. The first support one-side bending strand of the first support strand overlaps the second support other-side bending strand of the second support strand in the first direction.
Patent KR-20230008353-A (KR)
Inventor: KIM HYO TONG
IPC: C09J133/04
Filed: 2021-07-07
Abstract: The present invention relates to an adhesive composition, an adhesive sheet containing the same, and an adhesive sheet peeling method, wherein the adhesive sheet contains an adhesive layer formed of an adhesive composition and a substrate to which the adhesive layer adheres, wherein the adhesive composition contains at least two or more photoinitiators, and in order to peel the adhesive sheet from a wafer, high-pressure mercury ultraviolet rays and LED ultraviolet rays of a predetermined wavelength can be selectively irradiated, and the adhesive sheet can be peeled off without damaging the wafer and leaving no residues on the adhesive sheet.
Patent KR-20230009651-A (KR)
Title: Ai apparatus and method for automatically reading test results of multiple diagnostic kits
Inventor: KIM YONG TAE
IPC: G06T7/11
Filed: 2021-07-09
Abstract: The present invention aims to enhance the accuracy of reading results through machine learning algorithms based on images. Disclosed is an electronic device configured to: acquire images taken of a plurality of diagnostic kits; generate a first image patch including a first subset of the plurality of diagnostic kits; generate a second image patch including a second subset of the plurality of diagnostic kits, wherein one or more diagnostic kits included in the first subset and the second subset are duplicated; acquire a first test result set for the first image patch and a second test result set for the second image patch; and if the test results of the one or more duplicate diagnostic kits included in the first test result set match the test results of the one or more duplicate diagnostic kits included in the second test result set, determine the first test result set and the second test result set as a final test result set for the plurality of diagnostic kits. In addition, various embodiments identified through the specification are possible.
Patent KR-20230010482-A (KR)
Title: Adhesive container lid manufacturing system
Inventor: HONG SUNG WON
IPC: B29C65/78
Filed: 2021-07-12
Abstract: The present invention relates to a method for manufacturing a container lid for adhesive. The method for manufacturing a container lid for adhesive, according to the present invention, comprises: a lid supply step (S1); a pin supply step (S2); a primary pin pressing step (S3); a secondary pin pressing step (S5); a melting step (S6); and a compression step (S7). According to the present invention, productivity can be improved.
Patent KR-20230013489-A (KR)
Inventor: SUNG BIN KANG
IPC: A61B34/00
Filed: 2021-07-19
Abstract: A finite element analysis model-based orthopedic treatment plan evaluation device related to one embodiment of the present invention comprises: an interface unit for a surgeon to select a surgical method related to fracture surgery; a device information conversion unit converting information related to a treatment material used in the selected surgical method; a finite element analysis unit analyzing a 3D finite element related to the surgical method and the treatment material through mechanical evaluation based on the converted information; a 3D image processing unit generating a scenario according to the surgical method based on the analyzed finite element and generating a 3D simulation progressed according to the scenario; a result analysis unit analyzing dynamic analysis results based on the on-going 3D simulation, detecting risk factors based on the analyzed dynamic analysis results, and detecting stress displacement as the simulation progresses; and a display unit receiving and displaying the numerical result information and the stress displacement information of the finite element analysis results related to the risk factors detected from the result analysis unit. In addition, through 3D animation, the skeletal movement of patients can be predicted and the stress which changes according to the movement can be expressed in real-time to point out excessive points or vulnerabilities.
Patent KR-20230014018-A (KR)
Title: precious metal packaging
Inventor: WOO SANG HOON
IPC: B65D75/22
Filed: 2021-07-20
Abstract: The present invention is to provide a precious metal package capable of preventing loss and damage of precious metal decorations and increasing the reliability of the precious metal decorations. The precious metal package of the present invention includes a main body of a plate shape having a storage space formed such that only one side is open; a cover installed on one surface of the main body to block the opening of the storage space; and a coupling means capable of being fixed to the cover and the main body.
Patent KR-20230017406-A (KR)
Title: Screen saver controller, display device including the same and method of operating a display device including the same
Inventor: PYUN KI HYUN
IPC: G09G5/00
Filed: 2021-07-27
Abstract: A screen saver controller includes: a load calculator for generating load data of an image represented by input image data; a maximum gray level calculator for generating maximum gray level data of the image represented by the input image data; and a screen saver data generator for determining a gain of a screen saver mode based on the load data and the maximum gray level data, when the screen saver mode is operated, and for generating screen saver data based on the input image data and the gain. Therefore, power consumption of the display device is minimized.
Patent KR-20230017031-A (KR)
Inventor: KIM DONG JIN
IPC: G01G19/12
Filed: 2021-07-27
Abstract: The present invention relates to a vehicle-mounted weight measuring device, and more specifically to a vehicle-mounted weight measuring device which can be installed in a vehicle to conveniently and quickly measure the weight of cargo, etc. when necessary, and to be stored safely so as not to impede traveling when not in use. The vehicle-mounted weight measuring device according to the present invention comprises: a vehicle-lifting means attached to a vehicle and performing a lifting and lowering operation; a weight detection means detecting the weight of the vehicle lifted by the vehicle lifting means; a control unit receiving a detection signal applied from the weight detection means to calculate weight; and a display unit displaying a weight value calculated by the control unit.
Patent KR-20230020210-A (KR)
Inventor: PAEK JEONG YEUP
IPC: H04L47/27
Filed: 2021-08-03
Abstract: Disclosed are a time control scheduling method and system in a time-sensitive network environment. According to an embodiment of the present invention, the time control scheduling system in the time-sensitive network environment can comprise: a traffic transmission unit transmitting a time-sensitive traffic and other traffic in accordance with a pre-booked TAS schedule; an emergency traffic determination unit determining whether an emergency traffic requiring an instantaneous transmission is inputted or not; a queuing rule adjustment unit re-defining a mapping table of priority-to-traffic class when the emergency traffic is inputted; and a dynamic scheduling control unit temporarily dynamically extending a scheduled traffic (ST) time window by corresponding to the transmission time of the emergency traffic. Therefore, the stable performance of a real-time system can be guaranteed.
Patent KR-20230021535-A (KR)
Title: Cutting board with knife
Inventor: LEE JU VIN
IPC: A47J47/00
Filed: 2021-08-05
Abstract: The present invention relates to a cutting board stored with a knife, which comprises: a cutting board (1) which is to be used by a user; hinges (2) which allow the cutting board (1) to be folded; a knife storing groove (3) which stores a knife in the cutting board (1); and a knife fixing ring (4) which can fix the knife to the cutting board (1). The present invention has an effect that a user can safely and conveniently store a knife and a cutting board when going camping and cooking. In particular, the present invention has an effect that a user can conveniently carry the cutting board stored with a knife since the knife and the cutting board take up little space when storing the same, and a safe effect due to fixing the knife with the ring.
Patent KR-20230030079-A (KR)
Inventor: PARK JOON SOO
IPC: D01D5/088
Filed: 2021-08-23
Abstract: 본 발명은 원적외선 방사, 항균 및 UV차단 기능이 함께 발현되는 복합 기능 섬유 및 이의 제조방법에 관한 것이다.  
본 발명에 따르면 원적외선 방사, 항균 및 UV차단의 기능성 물질이 높은 함량으로 균일하게 혼합된 마스터배치를 폴리에틸렌테레프탈레이트에 첨가하여 섬유를 제조함으로써, 다양한 기능이 함께 발현되는 폴리에스테르 섬유를 제공하는 것이 가능해진다.  
또한, 폴리에틸렌테레프탈레이트의 유리전이온도보다 높은 온도의 유리전이온도를 가진 수지를 폴리에틸렌테레프탈레이트에 혼합함으로써, 방사공정에서 가열, 연신 및 고속 주행할 때에도 실의 주행 안정성이 향상되어 절사의 발생이 저감되므로 생산성이 향상된다.
Patent KR-20230030451-A (KR)
Title: 커피 블렌딩 솔루션 제공 서버 및 그것의 동작방법
Inventor: KIM YI SOO
IPC: G06Q30/06
Filed: 2021-08-25
Abstract: 본 문서에 개시되는 일 실시 예에 따른 커피 블렌딩 솔루션 제공 서버의 동작방법은, 제1 전자장치로부터 접속요청 메시지를 제공받는 단계; 상기 접속요청 메시지에 기초하여 사용자를 식별하는 단계; 상기 접속요청 메시지에 응답하여 상기 제1 전자장치에 접속허가 메시지를 제공하는 단계; 상기 제1 전자장치에 취향정보 요청메시지를 제공하는 단계; 상기 제1 전자장치로부터 사용자의 취향정보를 제공받는 단계; 상기 취향정보를 분석하는 단계; 상기 취향정보에 기초하여 커피 블렌딩 솔루션을 생성하는 단계; 및 상기 커피 블렌딩 솔루션을 상기 제1 전자장치에 제공하는 단계를 포함할 수 있다. 이 외에도 명세서를 통해 파악되는 다양한 실시 예가 가능하다.
Patent KR-20230032371-A (KR)
Title: 간이 식물재배기
Inventor: Soobeom LEE
IPC: H01R13/04
Filed: 2021-08-30
Abstract: 본 발명은 한 쌍의 스페이서를 이용하여 핸들 및 광원부의 상하방향 위치를 조절할 수 있도록 구성하여 식물 성장 단계에 따라 광원부의 높이를 조절할 수 있어 광원부의 효율이 향상될 수 있고, 한 쌍의 스페이서 중 하나의 스페이서를 이용하여 광원부에 전력을 공급하도록 구성하여, 제조 비용이 절감될 수 있는 간이 식물재배기에 관한 것이다.
Patent KR-20230032483-A (KR)
Inventor: JEON SUNG CHUL
IPC: G05B19/402
Filed: 2021-08-31
Abstract: 본 발명은 니들의 3차원 좌표 및 형상을 측정하기 위한 장치에 관한 것이다. 더욱 상세하게는, 광센서 어레이들을 이용한 니들의 3차원 좌표 및 형상 측정 장치에 관한 것이다. 본 발명은 니들의 3차원 좌표 및 형상 측정 장치로서, Y축 방향의 제1 빔 라인들을 형성하는 제1 발광소자들과, 상기 제1 발광소자들에 대응하는 제1 수광소자들로 이루어진 제1 광센서 어레이와, X축 방향의 제2 빔 라인들을 형성하는 제2 발광소자들과, 상기 제2 발광소자들에 대응하는 제2 수광소자들로 이루어진 제2 광센서 어레이로서, 상기 제1 광센서 어레이와 Z축 방향 높이가 다른 제2 광센서 어레이와, 상기 니들이, 상기 제1 빔 라인들과, 상기 제2 빔 라인들을 순서대로 통과하도록 상기 니들을 Z축 방향을 따라서 이동시키도록 구성된 이송장치와, 제어기를 포함하는 니들의 3차원 좌표 및 형상 측정 장치를 제공한다.
Patent KR-20230044716-A (KR)
Inventor: LEE MYOUNG HUN
IPC: G01R15/24
Filed: 2021-09-27
Abstract: 본 발명의 다양한 실시예에 따르면, 유도무기의 무선 배꼽 시스템을 위한 모의장치를 적용함으로써 장비 내부 그리고 인쇄회로기판 외부에 있던 검출기들이 인쇄회로기판에 내장되므로 공간이 확보되고, 배선 및 계통의 복잡성이 개선될 수 있다. 
또한, 본 발명의 다양한 실시 예에 따르면, 유도무기의 무선 배꼽 시스템을 위한 모의장치를 적용함으로써 상시적으로 계통을 점검할 수 있고, 외부에 위치한 상태감시 패널을 통해서 모의장치의 전원 정상 유무를 확인할 수 있다.
Patent KR-20230049947-A (KR)
Inventor: PARK SUNG JIN
IPC: C09K11/06
Filed: 2021-10-07
Abstract: 본 발명은 하기 화학식으로 표시되는 제 1 화합물, p-타입 호스트인 제 2 화합물, n-타입 호스트인 제 3 화합물이 발광물질층에 포함된 유기발광다이오드 및 유기발광장치를 제공한다. 이에 따라, 유기발광다이오드 및 유기발광장치는 구동전압, 발광효율, 수명에서 장점을 갖는다.
Patent KR-20220136053-A (KR)
Title: Apparatus and method receiving occ hybrid waveform based on c-ook and ofdm
Inventor: JANG YEONG MIN
IPC: H04L47/00
Filed: 2021-10-20
Abstract: In accordance with one embodiment of the present disclosure, a signal receiving apparatus, which uses a hybrid waveform, includes: a camera generating an image in a rolling-shutter scheme for receiving an optical signal; at least one processor; and a memory electrically connected to the processor, and storing at least one code executed by the processor. The memory can store codes which, when executed through the processor, cause the processor to control the camera to generate a plurality of image frames by photographing a light source multiple times at different times, determine a preamble position in a synthetic signal based on a convolution result of a one-dimensional synthetic signal generated based on an image frame and a preset preamble pattern, based on the preamble position and the synthetic signal, demodulate a first signal in accordance with a camera-on-off keying (C-OOK) demodulation scheme, and demodulate a second signal in accordance with an orthogonal frequency division multiplexing (OFDM) demodulation scheme. Therefore, the data transmission speed can be improved in camera-based optical communication.
Patent KR-20230063926-A (KR)
Inventor: CHOI BEOM GYU
IPC: C03B23/03
Filed: 2021-10-29
Abstract: 유리 제품은 평탄한 면을 갖는 제1 부분, 제1 부분과 이격하며, 평탄한 면을 갖는 제2 부분 및 제1 부분과 제2 부분 사이에 위치하며, 외력에 의한 탄성 변형(elastic deformation)이 가능하고, 탄성 변형되지 않은 중립 상태에서 곡면을 갖는 폴더블 부분을 포함한다.
Patent KR-20230063965-A (KR)
Inventor: HYUN SEO YONG
IPC: C07D405/14
Filed: 2021-11-01
Abstract: 본 발명은 유기발광소자 내의 정공수송층 등의 유기층에 채용되어 소자의 저전압 구동과 우수한 발광 효율 등의 발광 특성을 구현할 수 있는 [화학식 Ⅰ]로 표시되는 신규한 유기 화합물 및 이를 포함하는 유기발광소자에 관한 것이다. 
[화학식 Ⅰ]
Patent KR-20230063409-A (KR)
Inventor: KIM JAE HONG
IPC: G02B1/14
Filed: 2021-11-02
Abstract: 본 발명은 윈도우 필름에 관한 것으로서, 보다 상세하게는, 자외선 및 적외선에 대하여 차폐율이 우수하고, 특히, 자외선 차단에 있어서, 현저한 효과를 나타낼 수 있는, 차량용 및 건축용 윈도우 필름에 관한 것이다.
Patent KR-20210150322-A (KR)
Inventor: MOON SEUNG PIL
IPC: H01L31/18
Filed: 2021-11-02
Abstract: Disclosed is a device for manufacturing a thin film solar cell capable of increasing the efficiency of an exfoliated wafer. The device for manufacturing a thin film solar cell includes: a first jig for fixing the lower surface of a wafer; a chamber in which the first jig is seated; and a gas control unit for controlling an amount of the diffusion gas flowing into the chamber so that the upper surface of the wafer is doped through the diffusion gas.