baber/WOPTO huggingface dataset:
Patent KR-20220042709-A (KR)
Title: Resettable gears
Inventor: PARK EUNSOO
IPC: C22F1/18
Filed: 2020-09-28
Abstract: The present invention provides a gear having an amorphous alloy with characteristic return capability. The gear of the present invention comprises the amorphous alloy with the maximized characteristic return capability as a base material. The amorphous alloy comprises at least one metal element selected from groups composed of (a) Ti, Zr, and Hf, and (b) Fe, Co, Ni, Cu, and Zn, comprises one or more metal elements to thermodynamically maximize complexity of mixing heat relation between the elements, and thus has a structure with maximized structural complexity including multiple recovery cores of a variety of atomic cluster forms in an amorphous matrix. The gear having characteristic return capability devised by the present invention has a high hardness of 1 GPa or more, an elastic strain of 1.5% or more, a recovery force of 5 MJ/m^3 or more, and a fatigue life characteristic of 1.5 times or more.
Patent KR-20220042853-A (KR)
Inventor: LEE CHAE WON
IPC: G06Q30/02
Filed: 2020-09-28
Abstract: The present invention relates to a theme curation application device and system which is not a system of making customized recommendations on the basis of consumers' consumption history and search data in seasonal dessert products and forms useful content derived from one product to effectively transfer segmented product information and promote a producer's production intention and other services through an artificial intelligence (AI)-based machine learning training algorithm process. According to the present invention, the theme curation application device performs image and video graphic processing, debugging, and component accuracy analysis steps to generate theme content through the above machine learning training process. An application programming interface (API) built through the process can be used and accessed by users in connection with an open API related to payment and sharing functions.
Patent KR-20220014788-A (KR)
Inventor: KIM BO RA
IPC: H03L7/099
Filed: 2020-10-06
Abstract: A random number generator according to an embodiment of the present invention comprises: a ring oscillator; a counter circuit; and a control circuit. The ring oscillator includes a plurality of delay circuits connected in the shape of a ring, generates an oscillation signal, which oscillates for a reference time, using the delay circuits in response to an oscillation start signal, and adjust the inclination of at least one among ascending edges and descending edges included in the oscillation signal based on an oscillation control signal to increase or reduce the number of toggling during the reference time of the oscillation signal. The counter circuit counts the number of toggling of the oscillation signal during the reference time to generate a count signal. The control signal generates the oscillation start signal and the oscillation control signal, controls the ring oscillator based on the oscillation start signal and the oscillation control signal and generates a random number based on the count signal. Therefore, provided is a random number generator for generating a random number with enhanced randomness efficiently.
Patent KR-20220048108-A (KR)
Inventor: KANG HYUN SUK
IPC: G06F16/953
Filed: 2020-10-12
Abstract: The present invention provides a user-centered platform for providing free travel information and planning and sharing travel schedules. The user-centered platform comprises: a main server which communicates with a plurality of user terminals through a wired or wireless network and transmits and receives travel-related information; a first database for receiving travel experience information of a plurality of first users and storing detailed travel experience information analyzed by place, time, travel type, travel purpose, and travel theme; a second database for receiving travel plan information of a second user planning a trip and storing destination, route, and time; a travel information search control unit which provides a terminal of the second user with means for searching for information by classification so that travel information can be checked according to travel schedule, travel location, age, number of people, companions, and travel purpose based on the first database; a travel information display control unit which receives user preference for the travel experience information of the first users and displaying an output position or an output method according to the preference on the terminal of the second user; a travel plan display control unit which provides visually travel route and travel time information to the terminal of the second user according to the travel plan information of the second user, and provides the result of modification or editing of the travel plan information to the terminal of the second user according to changes in the travel plan information of the second user; and a user management unit for controlling information related to the first and second users and user benefit information. Therefore, provided is a travel platform for providing travel information for individual free travels and freely planning travels.
Patent KR-20220051692-A (KR)
Inventor: KIM JONGMOON
IPC: G16H30/20
Filed: 2020-10-19
Abstract: According to one embodiment, there is provided a method for providing a shape of an artificial tooth model including: determining a boundary indicating a partial area in the artificial tooth model based on a marginal ridge and a cusp tip for adjacent teeth of the artificial tooth model, and a cusp tip of the artificial tooth model; determining a groove of the artificial tooth model based on dynamic data and the boundary; determining the cusp tip of the artificial tooth model and a shape of the artificial tooth model based on the groove; and updating and providing the shape of the artificial tooth model based on the boundary updated according to an input of the user who updates at least one of the marginal ridge of the adjacent teeth, the cusp tip of the adjacent teeth, and the cusp tip of the artificial tooth model. According to the present invention, it is possible to improve accuracy while reducing time consumption.
Patent KR-20220055280-A (KR)
Inventor: HAN YOUNG HO
IPC: B63B43/06
Filed: 2020-10-26
Abstract: Disclosed is a hydrogen power generation system for a ship. The hydrogen power generation system for a ship according to one embodiment of the present invention comprises: a ballast seawater electrolysis unit connected to a ballast tank where seawater is introduced and stored as ballast water for a ship and supplied with seawater by the ballast tank to perform electrolysis and generate hydrogen; a compressor connected to the ballast seawater electrolysis unit to compress the hydrogen generated by the ballast seawater electrolysis unit and prepare compressed hydrogen; and at least one dual fuel generator unit connected to the compressor and a diesel fuel tank and supplied with any one selected from the compressed hydrogen prepared by the compressor and a diesel fuel stored in the diesel fuel tank as a fuel to generate electricity needed for the ship. Accordingly, consumption of fossil fuel can be saved to protect the environment and enable a ship to be efficiently operated.
Patent KR-20210050471-A (KR)
Title: Radiation-sensitive resin composition and process for forming resist pattern
Inventor: NISHIKORI Katsuaki
IPC: G03F7/004
Filed: 2020-10-27
Abstract: Provided are a radiation-sensitive resin composition that has good sensitivity to exposure light and can form a resist pattern having excellent LWR performance and resolution, and a method for forming a resist pattern. A polymer has a first structural unit containing a phenolic hydroxyl group. A radiation-sensitive resin composition includes a compound represented by the following formula 1-1 or 1-2 and a compound represented by the following formula 2.
Patent KR-20210054461-A (KR)
Title: Connector assembly
Inventor: SOMEYA TOSHIYUKI
IPC: H01R12/71
Filed: 2020-11-02
Abstract: A connector assembly is easily and reliably attached to a surface of a substrate with a simple configuration, and reliably maintains high airtightness or watertightness to improve reliability. The connector assembly includes: a connector including a connector body, a terminal attached to the connector body, and a reinforcing metal fitting attached to the connector body, and attached to a surface of a substrate; and a protective member including a pair of first walls parallel to each other and extending in a longitudinal direction of the connector body, a pair of second walls parallel to each other, extending in a width direction of the connector body, and connected to both ends of each of the pair of first walls, and an opening having four sides of a peripheral portion defined by the first wall and the second wall, and attachable to the surface of the substrate while the connector is accommodated in the opening. The protective member is disposed on the surface of the substrate as the protective member is coupled to the connector while the connector is accommodated in the opening.
Patent KR-20220060772-A (KR)
Inventor: YANG HO JOON
IPC: A23L2/52
Filed: 2020-11-05
Abstract: The present invention relates to a method for producing noni juice containing cordycepin, comprising the steps of: (a) washing noni fruit to remove moisture; (b) grinding the noni in step (a) to 1 to 2 mm; (c) preparing cordycepin by grinding the same to 100μm or less; (d) adding 300 ml of drinking water per 50 g of the ground cordycepin powder of step (c), stirring, and then fermenting at 20 to 35℃ for three days; (e) cooling the material in step (d) to a temperature of 5 to 10℃; (f) mixing the material of step (b) and the material of step (e) in a weight ratio of 80:20 to 50:50; (g) aging the mixed material of step (f) at a temperature of 10 to 15℃ for eight hours; (h) extracting and filtering the aged material of step (g); and filling a container with the noni juice of step (h) and then packaging the same to commercialize the same. The present invention is to provide a food that can help people's health by improving the favor of noni juice, which is not easy to consume due to its unique flavor, and containing cordycepin helpful for anticancer to improve the competitiveness of noni juice.
Patent KR-20220060794-A (KR)
Title: Auto self washing and drier system for air filter with division type of cleansing room and no freezing of water pipe and nozzle
Inventor: KWON GI SAN
IPC: B01D46/46
Filed: 2020-11-05
Abstract: The present invention relates to a system for individually controlling cutting-off of water of an automatic anti-freeze cleaning device. The technical gist of the present invention individually controls the cutting-off of the water (control operation) for a cleaning device of a multi-stage filter layer structure. In general, starting with the selected individual cutting-off of the water, cleaning and drying for each cutting-off of the water are sequentially performed from an upper part to a lower part. Since sufficient discharge pressure is implemented even with a low water level capacity, a filter is smoothly cleaned. The present invention completely removes residual water of the filter and a nozzle; is formed to be separately operated in an only contaminated part (corresponding cutting-off of water) to significantly reduce energy; effectively prevents freezing by extending a drying time of a cleaning water nozzle; actively controls the only contaminated cutting-off of the water after confirming a filter collecting amount by using a dust accumulation sensor and a differential pressure gauge; and easily handles sudden yellow dust with efficient operation.
Patent KR-20220063319-A (KR)
Title: Upper limb rehabilitation method using virtual reality display unit and upper limb motility sensing unit, upper limb rehabilitation system and program using thereof
Inventor: KIM JONG HA
IPC: G16H10/60
Filed: 2020-11-10
Abstract: The present invention relates to upper limb rehabilitation method, system, and program using a virtual reality (VR) display unit and an upper limb motility sensing unit, to enable a patient to perform rehabilitation treatment efficiently. According to the present invention, the upper limb rehabilitation system comprises: a motion sensor unit sensing motion information of the upper limbs; an upper limb rehabilitation control unit including a control unit converting upper limb motion data to acquire coordinate values and bending angles for a user's upper limb motion, a content management unit managing rehabilitation task content including unit tasks under the control of the control unit, a memory unit, a communication unit, and a display unit; and a VR unit outputting the rehabilitation task content from the content management unit and outputting the user's upper limb motion to be synchronized with a virtual screen according to the coordinate values and bending angle obtained from the control unit.
Patent KR-20220063652-A (KR)
Title: Composite web UI provision system in cloud service platform
Inventor: KANG RAE WON
IPC: G06F9/451
Filed: 2020-11-10
Abstract: The present invention relates to a composite web user interface (UI) providing system in a cloud service platform. To provide the composite web UI, a frontend (web) interface service is included in the cloud service platform, and a composite web UI may be developed by using the frontend (web) interface service. The cloud service platform includes an application program interface (API) gateway including a gateway server, a discovery server, an authentication server, and a monitoring server, a content management service (CMS) server provided to the composite web UI of the frontend (web) interface service, and a service resource server providing Frontend and Backend. According to the present invention, to provide the cloud service, the Frontend (web) composite web UI interface service is provided in addition to the Backend resource service. Accordingly, when the cloud service is provided to the user, time and costs may be saved. The platform provides a guideline necessary for developing the online service server, thereby providing a platform for rapidly and easily developing a stable and safe server, such that a continuous service is provided to a user and a service provider through the cloud service.
Patent KR-20220064131-A (KR)
Title: Crime prevention system using artificial intelligence network and method thereof
Inventor: KIM BO RAM
IPC: G08B21/02
Filed: 2020-11-11
Abstract: The present invention relates to a system and method for preventing crimes by using an artificial intelligence network. In accordance with the present invention, the crime prevention method using the artificial intelligence-based crime prevention system comprises the following steps of: receiving position information of an electronic anklet wearer through an electronic anklet, and receiving position information of a person subject to protection through a terminal of the person subject to protection to apply the received information to a pre-generated learning model to analyze moving patterns of the electronic anklet wearer and the person subject to protection; receiving the position information of the electronic anklet wearer and the position information of the person subject to protection in real time; determining whether a moving path of the electronic anklet wearer or the person subject to protection at the present point is out of the analyzed moving patterns; when the moving path of the electronic anklet wearer or the person subject to protection is out of the analyzed moving patterns, determining whether a distance between the electronic anklet wearer and the person subject to protection is no more than a reference distance; and when the distance between the electronic anklet wearer and the person subject to protection is no more than the reference distance, issuing a warning through the terminal of the person subject to protection. In accordance with the present invention, the moving patterns of the electronic anklet wearer and the person subject to protection are analyzed, and then, with the analysis result, the person subject to protection can take action in advance before the occurrence of crime damage.
Patent KR-20220064794-A (KR)
Title: Corner post manufacturing device
Inventor: HYUN MIN
IPC: B31C5/00
Filed: 2020-11-12
Abstract: Provided in the present invention is a corner post manufacturing device comprising: a supplier to which a raw paper is supplied; a cutter installed at one side of the supplier to cut the raw paper supplied by the supplier into a predetermined size; a coupling transporting device installed at one side of the cutter to penetrate the raw paper cut by the cutter to be coupled before transporting the same; a winder installed at one side of the coupling transporting device to rotate the raw paper transported by the coupling transporting device to form the same into a wound pipe shape; a pushing device installed at one side of the winder to push and move the pipe wound at the winder; and a mold installed at one side of the pushing device to shape the wound pipe which is pushed so as to fabricate the same into a corner post shape. Therefore, the cut raw paper may be precisely transported to the winder.
Patent KR-20220067707-A (KR)
Title: Method and apparatus for removing microplastics from seawater for clean sea salt production
Inventor: JUNG SIMON MOONGEUN
IPC: C01D3/14
Filed: 2020-11-18
Abstract: According to the present invention, the method and the apparatus for removing microplastics from seawater are advantageous in that microplastic aggregates are effectively performed even on water having a high salinity, and thus the size of fine plastic aggregates is remarkably increased, thereby efficiently and effectively removing the microplastics even when a filter having a large pore size as compared with the prior art is used and microplastics can be effectively removed from a large amount of seawater with a simple unit, low cost and time. Also, the present invention has the advantage of providing a technique for producing clean salt without contaminants such as microplastics and the like.
Patent KR-20220068757-A (KR)
Title: Portable battery pump
Inventor: YE SANG DON
IPC: H02K11/33
Filed: 2020-11-19
Abstract: The present invention relates to a portable battery pump. According to the present invention, when a hydraulic mechanism is operated by driving a drive motor connected to an oil pump, a battery power which can be charged is used. Therefore, there is no need for a power cable to be connected to an external power terminal. In addition, by being lightweight through a compact size, portability and location movement become easy. The portable battery pump of the present invention comprises: an oil pump; a drive motor; a base pad; a hydraulic hose; a battery; and an operating switch.
Patent KR-20220074449-A (KR)
Inventor: LIM DONG SU
IPC: F21V11/02
Filed: 2020-11-27
Abstract: 본 발명은 조명기구 기능 겸용 LED 발열을 이용하여 디퓨져 기능을 갖도록 한 향초에 관한 것으로서 보다 상세하게는 빛은 조명기구로 이용하고 조명기구 이용시 LED에서 발생되는 열을 이용하여 향초를 발열시켜 향기를 얻을 수 있도록 한 조명기구 기능 겸용 LED 발열을 이용하여 디퓨져 기능을 갖도록 한 향초에 관한 것인바, 본 발명은 조명기구 기능 겸용 LED 발열을 이용하여 디퓨져 기능을 갖도록 한 향초에 있어서, 전원을 온/오프시키는 스위치가 구비된 본체와; 상기 본체에 수직으로 설치되어 전원의 공급에 의해 발광하면서 열을 발현하는 LED모듈과; 상기 2중 용기 구조로 외측캡과 내측캡 사이에 발광하는 빛과 열이 이동하는 통로공간이 형성되며 내측으로는 상부가 개방되어 파라핀 왁스가 채워지는 저장공간을 구비하되 저장공간 중앙에는 하부가 개방된 LED삽입부가 형성되어 이루어진 용기부재를 포함하여 구성된 것에 그 특징이 있다.
Patent KR-20220076869-A (KR)
Title: 전력 사용량 예측 시스템 및 방법
Inventor: SHIN BOK DEOK
IPC: H02J3/00
Filed: 2020-12-01
Abstract: 본 발명은 과거의 전력 사용량에 대한 부하 데이터로부터 부하 변화량 데이터로 변환하고 코드화를 통해 단순화하여 미래의 전력 사용량을 예측할 수 있는 시스템 및 방법에 관한 것이다.  
본 발명은 시간대별로 부하 데이터를 입수하는 부하 수집부; 부하 데이터를 부하 변화량 데이터로 변환하고, 상기 부하 변화량 데이터에 대응하는 정수를 획득하는 코드 변환부; 상기 코드화된 정수 패턴이 동일한 부하 패턴을 취합하고, 동일한 상기 정수 패턴으로부터 대표 패턴을 추출하는 패턴 분류부; 상기 패턴 분류부를 통해 코드화된 대표 패턴과 실제 부하 패턴으로부터 미래 전력 사용량을 예측하는 예측부를 포함하는 전력 사용량 예측 시스템이 제공될 수 있다.  
또한, 본 발명은 기본 데이터인 부하 데이터를 입수하고 부하 변화량 데이터로 변환하는 단계; 부하 변화량 데이터를 정수로 코드화하여 단순화하는 단계를 포함하는 전력 사용량 예측 방법이 제공될 수 있다.
Patent KR-20220079773-A (KR)
Title: 고령토의 할로이사이트 특성을 이용한 발전소 첨가제 및 그 이용방법
Inventor: LEE YONG MIN
IPC: C10L5/40
Filed: 2020-12-04
Abstract: 본 발명에 따른 석탄 및 바이오메스를 연료로 사용하는 유동층 보일러 내부 및 튜브표면 슬래깅(Slagging) 또는 파울링(Fouling) 현상 억제용 연소 첨가제는 국내 산청지역에 분포되어 Al 2 O 3  29 ~ 36 wt%, SiO 2  45 ~ 53 wt%, CaO 성분이 1~5 wt% 성분 범위를 갖는 있는 고령토 원광을 건조한 후 분쇄하여 250 ~ 350 mesh 범위의 분말을 연료 사용량의 2 ~ 5 wt% 범위로 사용하여 슬래깅(Slagging) 또는 파울링(Fouling) 현상을 억제하도록 적용되는 연소 첨가제를 특징으로 한다. 
본원 기술로 제공되는 연소 첨가제는 바이오매스 또는 폐기물 연소 시 발생되는 K 2 SO 4 , NaCl, Na 2 SO 4   중에서 선택되는 저융점 화합물을 흡착하여 2K·Al·SiO 4  의 고융점 화합물로 변화시켜 애쉬 형태로 포집시키도록 적용되는 원리가 이용되는 연소 첨가제로 평균입자크기 <3um, 첨가제 비표면적 >50m^/g, 현장실증 규모 >1t/d, 파울링 부착량 50%감소, 클링커 강도 50% 감소효과를 제공하며 보일러 내부와 전열면, 튜브표면에 발생하는 슬래그를 방지하기 위한 슬래깅(Slagging) 또는 파울링(Fouling) 현상 억제용 연소 첨가제로 사용될 수 있다.
Patent KR-20220081459-A (KR)
Title: 영구자석 내 희토류 원소 추출을 위한 액상금속추출 방법
Inventor: KIM TAEK SOO
IPC: C22B5/16
Filed: 2020-12-09
Abstract: 희토류 원소를 포함하는 RE-Fe-B 영구자석에서 희토류를 선택적으로 추출하는 방법에 있어서, 합금의 수소처리를 통하여 REH x 를 획득하고 산소 농도를 제어하여 희토류 원소의 추출효율을 향상시키는 영구자석 내 희토류 원소 추출을 위한 액상금속추출 방법이 제공된다. 
본 발명에 따른 희토류 원소 추출 방법은 a) 희토류 원소를 함유하는 영구자석 스크랩을 메쉬박스에 장입하는 단계, b) 상기 메쉬박스를 진공 분위기로 유지 한 후 수소가스를 유입하여 제1 수소처리를 수행하는 단계, c) 상기 제1 수소처리 이후 제2 수소처리를 수행하는 단계, d) 상기 메쉬박스를 도가니 내부에 안착시키고 상기 도가니 내의 상기 메쉬박스 외부 공간에 마그네슘을 추가적으로 장입하는 단계, e) 상기 도가니를 가열하여 마그네슘 용탕(Mg-RE 합금)을 형성시키는 단계 및 f) 상기 마그네슘 용탕과 잔류스크랩을 분리하는 단계를 포함하는 것을 특징으로 한다.
Patent KR-20220081472-A (KR)
Title: 관수 및 난방이 가능한 작물재배용 파레트
Inventor: PAK GYOUNG SU
IPC: A01G24/35
Filed: 2020-12-09
Abstract: 본 발명은 바닥 난방과 관수를 선택적으로 사용함으로써 생산성과 효율성을 향상시킴과 아울러 에너지 절감과 품질향상, 인건비 등 경비절감과 규격화된 농업재배장치의 스마트시설에 적용이 가능한 관수 및 난방이 가능한 작물재배용 파레트에 관한 것으로,  
작물재배용 상토(110)가 채워짐과 아울러 저면관수부를 형성하도록 종횡방향의 돌출부(12)가 구비된 함몰부(11)가 상부면에 형성되고 육묘상자의 규격에 맞게 형성되는 파레트본체(10); 외부로부터 전원을 공급받아 열을 발생하며 파레트본체(10)의 함몰부(11)에 지그재그 형태로 배치되는 발열선(20); 열이 파레트본체(10)의 하부로 빠져나가지 않도록 발열선(20)의 하부에 배치되는 단열재(25); 하부면에 발열선(20)이 수용되는 발열선 수용부(33)가 구비되고 상부면에 종횡방향의 요철부(35)가 형성되며 그래핀이 포함된 플라스틱으로 형성되어 고정부재(31)에 의해 파레트본체(10)에 고정되는 발열선 덮개(30); 상부에 작물재배용 상토(110)가 안착되고 작물에 물을 공급할 수 있도록 상기 발열선 덮개(30)의 상측에 배치되며 활성탄 부직포로 이루어지는 흡수포(40); 및 상기 파레트본체(10)의 함몰부(11)로 관수를 공급하는 관수공급부(50);를 포함하는 것을 특징으로 한다.
Patent KR-20210077601-A (KR)
Title: A method for oxidizing a 1,1-bis-(3,4-dimethylphenyl)-alkane to 3,3',4,4'-benzophenone tetracarboxylic acid
Inventor: ROEGL HARALD
IPC: C07C65/105
Filed: 2020-12-10
Abstract: In a method for oxidizing 1,1-bis-(3,4-dimethylphenyl)-alkane by using a nitric acid in a pressure vessel to product 3,3',4,4'-benzophenone tetracarboxylic acid with the simultaneous formation of nitric oxide, passing nitric oxide from the pressure vessel through an absorption vessel and reacting the nitrogen oxide with molecular oxygen and water in the absorption vessel to produce an aqueous nitric acid solution avoids the risk of oxygen inhibiting nitric acid oxidation, and reduces nitric acid consumption when nitric acid from absorption vessel is used for oxidation of 1,1-bis-(3,4-dimethylphenyl)-alkane.
Patent KR-20220082523-A (KR)
Inventor: PARK SEON HWA
IPC: E04H1/02
Filed: 2020-12-10
Abstract: 본 발명은 공간내 이동 동선을 최소화시켜 피로감을 감소시킴과 아울러, 개인 프라이버시가 보호되어 삶의 질이 향상됨은 물론, 이로 인한 심리적 안정감을 제공할 수 있는 프라이버시 보호 및 효율적인 동선을 제공하는 오피스텔형 생활공간 구조에 관한것으로, 출입도어가 형성되는 출입구벽에서 연장되어 주거 공간의 틀을 형성하는 둘레벽, 둘레벽을 따라 하나 이상의 프라이빗룸이 연속 배치되어 형성되는 벽라인부와, 벽라인부로부터 주거 공간 내측으로 설정 거리 이격되도록 하나 이상의 프라이빗룸이 연속 배치되어 형성되는 아일랜드부와, 벽라인부 및 아일랜드부의 내측에 상응하는 영역의 프라이빗복도와, 서로 인접한 벽라인부 및 아일랜드부 종단에 상응하는 프라이빗복도의 제1종단 및 제2종단을 각각 개폐 가능하도록 마감되는 한 쌍의 슬라이딩 도어로 구성되는 프라이빗 공간, 프라이빗 공간과 마주하게 둘레벽을 따라 배치되는 주방 공간, 출입도어로부터 연장되어 프라이빗 공간과 프라이빗 공간과 마주하는 주방 공간 사이에 설정 너비로 형성되는 사생활보호홀(hall) 및 프라이빗 공간 및 사생활보호홀을 통해 진입 가능하도록 주거 공간 내부에 배치되는 생활 공간을 포함하고, 출입구벽은 출입구벽과 평행하게 단차되어 힌지 개폐식의 출입도어가 결합되는 수평부와, 출입구벽과 수평부를 연결하도록 수직하게 배치되는 수직부로 구성되는 히든출입부가 형성된 것에 특징이 있다.
Patent KR-20220083145-A (KR)
Title: Mlcc용 bnt계 나노사이즈 분말 제조방법
Inventor: HWANG HAE JIN
IPC: C04B35/462
Filed: 2020-12-11
Abstract: 본 발명은 고상 반응의 출발물질 중 탄산나트륨을 무수알코올에 분쇄하는 단계, 분쇄된 탄산나트륨을 건조기를 이용하여 무수알코올을 제거하고 분말상태로 건조하는 단계, 고상 반응의 출발물질로서 상기 분쇄된 탄산나트륨 분말과 비스무스옥사이드 분말 및 티타늄옥사이드 분말의 혼합물을 용매 지르코니아볼과 혼합하는 단계, 상기 혼합물을 밀링 장치를 이용하여 고속으로 혼합하는 단계, 고속 혼합된 분말 혼합물을 건조하는 단계, 건조된 분말 혼합물을 열처리하여 고상 반응시키는 단계, 열처리한 고상 반응물을 유성밀을 이용하여 분쇄하는 단계를 포함하는 MLCC용 BNT계 나노사이즈 분말 제조방법을 제공한다.