baber/WOPTO huggingface dataset:
Patent KR-20180122738-A (KR)
Title: 연료 인젝터
Inventor: THIBAULT THIERRY
IPC: F02M47/02
Filed: 2017-03-22
Abstract: 본 발명은 내연기관용 연료 인젝터에 있어서, 바디(16)를 갖는 분사 노즐(12)로서, 니들(14)의 제1 단부(48)가 시트(32) 상에 안착하고 상기 노즐의 분사 개구(34)를 밀봉하는 폐쇄 위치(PF)와, 상기 니들(14)의 제1 단부(48)가 분사를 허용하도록 상기 시트(32)로부터 리프팅되는 개방 위치(PO) 사이에서 상기 니들(14)이 이동가능하게 배치되는, 상기 분사 노즐(12); 제어 챔버(46)와 제어 밸브(20); 및 상기 제2 단부(42)에 의해 상기 니들(14)을 축방향으로 안내하는 상측 가이드(18)를 포함하는 연료 인젝터에 관한 것이다.  상기 니들(14)의 위치를 검출하는 수단은 상기 니들(14)의 제2 단부(42)와 접촉하는 제1 전기 링크를 포함하여 상기 니들에 사전결정된 전위를 제공한다.  상기 니들(14)은 상기 노즐 바디(16) 내에 장착되어 상기 노즐 바디 시트(32)의 영역을 제외하고, 상기 노즐 바디(16)로부터 전기적으로 격리된 동안에 상기 노즐 바디(16) 내에서 이동할 수 있음으로써, 상기 니들(14)은 상기 폐쇄 위치에서만 상기 노즐 바디(16)와 전기 접촉한다.
Patent KR-20190002521-A (KR)
Title: 방향성 유체 이송용 표면
Inventor: FORTHOFER MARSHA
IPC: F04F10/00
Filed: 2016-04-29
Abstract: 수동, 방향성 유체 이송을 위한 모세관 구조는 정방향 및 역방향을 갖는 모세관을 포함하되, 모세관은 발산 섹션과 유체 연통하는 연결 섹션을 포함하는 일련의 모세관 구성요소를 각각 갖는 제1 모세관 유닛 및 제2 모세관 유닛을 포함하고, 발산 섹션은 전방 측 및 정방향으로 오목 메니스커스를 유도하는 치수를 가지고, 제2 모세관 유닛의 연결 섹션은 제1 모세관 유닛의 발산 섹션의 전방 측에 연결되어 적어도 하나의 전이 섹션을 형성하고, 전이 섹션에서 치수 변화는 무한 곡률 반경을 갖는 볼록한 액체 메니스커스 또는 직선의 액체 메니스커스를 역방향으로 유도한다.
Patent KR-20190010551-A (KR)
Title: 접합용 조성물, 광학용 접착제 및 압력 센서용 접착제
Inventor: UEDA SAORI
IPC: C09J9/00
Filed: 2017-05-22
Abstract: 접착 후에 있어서 형성되는 접착층의 형상이 잘 변형되지 않아, 신뢰 시험 후에 있어서도 높은 접착력을 유지할 수 있는 접합용 조성물, 그리고 그 조성물을 함유하는 광학용 접착제 및 압력 센서용 접착제를 제공한다.     접합용 조성물은 수지 입자를 함유한다.     상기 수지 입자의 회복률이 20 ％ 이하이고, 상기 접합용 조성물의 두께 250 ± 50 ㎛ 의 경화물의 투습도가 90 g/㎡-24h 이하이다.     접합용 조성물로부터 형성되는 접착층은, 형상이 잘 변형되지 않아, 신뢰 시험 후에 있어서도 높은 접착력을 유지할 수 있다.
Patent KR-20190012160-A (KR)
Title: 표면에 점토를 도포하기 위한 방법 및 장치
Inventor: TARTLER UDO
IPC: B28B11/10
Filed: 2017-05-29
Abstract: 본 발명은 점토(4)를 기계적으로 처리하기 위한 방법, 특히 모델을 제조하기 위한 방법으로서, 상기 점토(4)를 압출기에 의해 가열하고, 압출하여 표면(8)에 도포하는 방법, 및 점토를 기계적으로 처리하기 위한 상응하는 장치, 특히 모델을 제조하기 위한 장치에 관한 것이다. 본 발명은 장치가 표면(8)에 도포하기 위해 점토(4)를 가열 및 압출하도록 설계된 압출기(6)를 포함하는 것을 특징으로 한다.
Patent KR-20190015702-A (KR)
Title: 박막 제조 방법, 박막 제조 장치, 광전 변환 소자의 제조 방법, 논리 회로의 제조 방법, 발광 소자의 제조 방법 및 조광 소자의 제조 방법
Inventor: KADONO KOJI
IPC: H01L31/18
Filed: 2017-05-17
Abstract: 층수 제어 및 이종 적층 성막이 가능한 박막 제조 방법, 박막 제조 장치, 광전 변환 소자의 제조 방법, 논리 회로의 제조 방법, 발광 소자의 제조 방법 및 조광 소자의 제조 방법을 제공하는 것이다. 
본 기술에 관한 박막 제조 방법은, 도전성을 갖는 성막 대상물을 제1 단자와 제2 단자에 맞닿게 하고, 제1 단자와 제2 단자 사이에 전압을 인가하여, 성막 대상물의 제1 단자와 제2 단자 사이의 영역인 제1 영역을 가열하고, 제1 영역에 성막 원료를 공급하고, 원하는 층수를 갖는 박막이 성막되도록 반응 시간을 제어하여 제1 영역에 박막을 성막한다.
Patent KR-20190003776-A (KR)
Title: 청소기
Inventor: JANG JAEWON
IPC: A47L11/40
Filed: 2017-07-14
Abstract: 본 발명에 따른 청소기는, 외관을 형성하는 바디; 상기 바디의 하측에 구비되는 회전판; 상기 회전판의 하측에 결합하여 바닥에 접촉하게 구비되는 걸레부; 상기 회전판의 상측에 연결되어 상기 회전판을 회전시키는 스핀 회전축; 상기 스핀 회전축의 둘레를 둘러싸되 상기 스핀 회전축과 이격되어 급수 공간을 형성하는 급수 수용부; 상기 급수 공간으로 물을 공급하는 급수 모듈을 포함한다. 상기 회전판은, 상기 급수 공간과 상기 회전판의 하측을 연결하는 급수 홀을 형성한다.
Patent KR-20190013855-A (KR)
Title: 차량의 적층형 유리 선루프, 이를 포함하는 차량, 및 그 제조
Inventor: BERARD MATHIEU
IPC: B32B17/10
Filed: 2017-05-24
Abstract: 본 발명은 차량(1000)의 적층형 유리 선루프에 관한 것으로서, - 면(F1) 및 면(F2)이라 각각 칭하는 제1 및 제2 주면(11', 12')을 갖는, 외부 유리 페인을 형성하는 제1 유리 페인(1'), - 1.8 mm 이하의 두께(e1)를 갖는 폴리머 재료로 제조된 적층 인서트(2), - 면(F3) 및 면(F4)이라 각각 칭하는 제3 및 제4 주면(11, 12)을 갖는, 내부 유리 페인을 형성하는 제2 유리 페인(1)으로서, 면(F2) 및 면(F3)은 적층형 유리 페인의 내부면을 구성하는, 제2 유리 페인(1), - 다이오드를 수용하는 블라인드 홀 또는 관통 홀을 갖는 적층 인서트, - 상기 다이오드와 면(F3) 사이의 시준 광학계(5)를 포함한다.
Patent KR-20190000913-A (KR)
Title: 전동식 간이침대들용 자동화 시스템들
Inventor: VALENTINO NICHOLAS V
IPC: A61G1/02
Filed: 2013-07-19
Abstract: 간이침대는 전방 단부와 후방 단부 사이에서 연장하는 지지 프레임을 포함할 수 있다.  전방 레그 및 후방 레그는 지지 프레임에 활주식으로 결합될 수 있다.  전방 액추에이터는 전방 레그에 결합되고 전방 레그를 활주시켜 전방 레그를 수축 및 신장할 수 있다.  후방 액추에이터는 후방 레그에 결합되고 후방 레그를 활주시켜 전방 레그를 수축 및 신장할 수 있다.  하나 이상의 프로세서는 간이침대의 전방 단부 및 전방 레그를 지시하는 신호들을 하나 이상의 센서로부터 수신하도록 기계 판독 가능 명령들을 실행할 수 있다.  하나 이상의 프로세서는 간이침대의 전방 단부가 표면에 의해 지지되고 전방 레그가 사전 결정된 양만큼 수축될 때, 후방 액추에이터를 작동시켜 후방 레그를 신장시켜서 간이침대의 후방 단부를 상승시킬 수 있다.
Patent KR-20190006029-A (KR)
Title: Vl 도메인을 함유하는 중쇄를 발현하는 사람화된 설치류
Inventor: MACDONALD LYNN
IPC: C12N9/64
Filed: 2013-02-01
Abstract: 내인성 비-사람 중쇄 면역글로불린 서열의 변형을 포함하고 설치류 (예를 들어, 마우스)에서 기능적인 ADAM6 활성을 포함하는 비-사람 동물, 조직, 세포, 및 유전 물질이 제공되며, 비-사람 동물은 중쇄 불변 영역의 맥락에서 사람 면역글로불린 경쇄 유전자 세그먼트를 재배열하고 경쇄 불변 도메인에 융합된 사람 면역글로불린 경쇄 가변 도메인과 인접한 중쇄 불변 도메인에 융합된 사람 면역글로불린 경쇄 가변 도메인을 포함하는 면역글로불린-유사 분자를 발현한다.
Patent KR-20200085165-A (KR)
Inventor: PARK TAE SUN
IPC: A61Q19/00
Filed: 2019-01-04
Abstract: The present invention relates to a composition for anti-allergy, atopic dermatitis alleviation, or skin regeneration containing nonane as an active component. More specifically, the present invention relates to a composition for preventing or treating allergic diseases or atopic dermatitis, and a composition for healing skin wounds or promoting skin regeneration, all of which contain nonane or a pharmaceutically acceptable salt thereof as an active component.
Patent KR-20200086001-A (KR)
Inventor: KIM TAE HYUNG
IPC: G01N3/60
Filed: 2019-01-08
Abstract: The present invention provides a method and system for analyzing the degree of deterioration of concrete using a nonlinear temperature change amount in which inspection precision and economy are improved. The present invention includes: a first step in which a concrete object is heated for a preset time by a heating unit that generates heat at a preset temperature; a second step in which the amount of nonlinear temperature change for each grid space over time is obtained, wherein the concrete object is virtually partitioned into a plurality of grid spaces along the horizontal and vertical directions, and the temperature of each grid space is individually measured through a thermal image measuring unit that measures the temperature of the concrete object; and a third step in which the degree of deterioration of the concrete object is automatically calculated based on the temperature change amount and the planned material characteristics of the concrete object.
Patent KR-20200086049-A (KR)
Inventor: LEE JUNYEOL
IPC: A61B8/00
Filed: 2019-01-08
Abstract: The present invention provides an ultrasonic probe which obtains an ultrasonic image to diagnose or treat a subject by using a needle. According to an idea of the present invention, the ultrasonic probe comprises: a case; a needle inserted into a subject in the vicinity of the case; and a needle guide mounted to be separable from the case so that the needle is guided. The needle guide includes: a base including a guide unit provided to have the needle inserted thereto; and a support member configured to be movable along the guide unit to support movements of the needle.
Patent KR-20190011293-A (KR)
Inventor: PARK JOO WANG
IPC: A61F13/10
Filed: 2019-01-09
Abstract: The present invention relates to a sticker including an absorbent layer for absorbing sweat in the event of sweating due to hand hyperhidrosis. An object of the present invention is to prevent paper from wetting or tearing and writing instruments from being slippery due to sweat coming out when people having hand hyperhidrosis write, thereby enabling more convenient handwriting. In the present invention, a palm-shaped sticker including a hand blade formed of an absorbent layer for absorbing sweat is included, so that the handwriting can be conveniently performed.
Patent KR-20200086452-A (KR)
Inventor: KIM JIN YOUNG
IPC: H01F17/04
Filed: 2019-01-09
Abstract: A coil component according to one aspect of the present invention includes: a body; an insulating substrate buried in the body; and a coil part disposed on at least one surface of the insulating substrate. In a cross section along the width-thickness direction of the body, the insulating substrate is disposed to be inclined with respect to one surface of the body. Therefore, the coil component can have low-profile and high-capacity inductance.
Patent KR-20200089055-A (KR)
Inventor: LEE KWANG HYUN
IPC: H01S3/067
Filed: 2019-01-16
Abstract: The present invention relates to a laser beam technology, and more particularly, to a stabilized high power/high quality wavelength-controlled beam combining system and a method thereof. According to the present invention, it is possible to construct the stabilized high power and/or high quality wavelength-controlled beam combining system. The wavelength-controlled beam combining system includes: a fiber optic array structure; a transmission optical structure collimating the laser beam; a diffraction grating structure; a condition monitoring optical system that monitors the condition of a high-power laser beam by separating and forming the high-power laser beam; and a system controller that analyzes high-power laser beams.
Patent KR-20190089742-A (KR)
Title: Alternate grounding of inverter midpoint for three level switching control
Inventor: BAX RANDALL
IPC: H02M7/483
Filed: 2019-01-17
Abstract: Disclosed are a method of for controlling a direct current (DC) midpoint of a multi-level inverter, and a system thereof. The method comprises the steps of: receiving an input power signal from an alternating current (AC) power source at a multi-level motor control system including a DC bus and a multi-level inverter configured to supply a load, wherein the DC bus has a DC midpoint; connecting the DC midpoint of the DC bus to a neutral point of the AC power source while isolating a neutral point of a load supplied by the multi-level inverter from the DC midpoint; and monitoring a voltage on the DC midpoint of the DC bus. In addition, the method can comprise the step of controlling a voltage of the neutral point of the AC load based on imbalances in the load supplied by the multi-level inverter.
Patent KR-20200089881-A (KR)
Title: Fermented Rice Product Fermented by Lactic Acid Bacteria
Inventor: KIM KI CHUN
IPC: A23G3/36
Filed: 2019-01-18
Abstract: The present invention relates to a method of manufacturing a fermented rice product and a fermented rice product prepared thereby. Specifically, the present invention relates to a fermented rice product prepared by directly adding lactic acid bacteria to rice, porridge, rice cake, puffed rice or steamed rice and fermenting the same. The fermented rice product of the present invention provides a new fermented beverage having palatability and functionality, and improved flavor, which has not been previously encountered. In addition, the fermented rice product can be drunk without a feeling of rejection by preventing the disadvantages of conventional rice yogurt, that is, the smell of grain powder and the smell of fermentation do not match each other, thus exhibiting poor palatability. In particular, the fermented rice product of the present invention has a soft and light taste and is highly palatable to eaters who use rice as a staple food. In addition, the fermented rice product is expected to overcome the growing problem of increasing rice inventory.
Patent KR-20200098023-A (KR)
Inventor: WOONG HYUG LEE
IPC: A01B63/102
Filed: 2019-02-11
Abstract: The present invention relates to an agricultural vehicle which comprises: a vehicle body having an engine coupled thereto; a lift arm coupled to the vehicle body; a vertical adjustment unit for vertically moving the lift arm for vertical control of the lift arm; a horizontal adjustment unit for vertically moving a first lift member of the lift arm for horizontal control of the lift arm; and an operation unit for generating an operation signal for operating the vertical adjustment unit and the horizontal adjustment unit. The operation unit includes: a vertical operation unit for generating an individual vertical signal for the vertical control of the lift arm; a horizontal operation unit for generating an individual horizontal signal for the horizontal control of the lift arm; and a multi operation unit which generates a multi control signal for controlling any one selected from the vertical control and the horizontal control for the lift arm. Therefore, the ease of operation for controlling the lift arm is increased.
Patent KR-20200098095-A (KR)
Inventor: SEONGHOON JEONG
IPC: B23Q3/16
Filed: 2019-02-11
Abstract: The present invention relates to a tool magazine of a machine tool such as a column moving type machining center. According to the invention, a magazine unit is installed on a saddle. In addition, by means of a tool changer which is movably installed on the saddle and a tool changer transfer unit which moves the tool changer independently of a column, a tool accommodated in a gripper unit of the magazine unit is retracted or extracted in the direction perpendicular to a tool axis at the time of tool exchange, and a gripping unit of a change arm directly grips a flange unit of the tool. Accordingly, a tool change time is shortened, productivity is improved, and collision or mechanical interference is minimized in a medium or large machine tool having a long length in the width direction, and therefore stability and reliability can be improved.
Patent KR-20200099001-A (KR)
Inventor: JIN SEUNG RI
IPC: H04W8/24
Filed: 2019-02-13
Abstract: The present invention relates to a method and a device for reporting a terminal capability in a wireless communication system. The method for operating a terminal in the wireless communication system according to an embodiment of the present invention includes: a step of receiving a control message for band combination reporting from a base station; and a step of sending a radio resource control (RRC) message including a support band combination list to the base station in response to the control message. The RRC message sending step includes: a step of generating every available band combination list of the terminal as a common candidate band combination applied regardless of radio access technology (RAT) information; a step of generating a support band combination by RAT type by filtering the band combination list corresponding to the RAT information included in the control message from the generated band combination list; a step of generating a function set and a function set combination in accordance with the generated support band combination; and a step of storing the generated terminal capability (UE capability) by RAT type and sending it to the base station. The control message includes at least one piece of the RAT information for reporting.
Patent KR-20190022605-A (KR)
Inventor: LEE WON JUN
IPC: C23C8/36
Filed: 2019-02-26
Abstract: The present invention relates to a method to deposit a silicon nitride film using a nitrogen-containing reactant or plasma thereof, and a nitrogen plasma process, and a silicon nitride film deposition apparatus thereof. According to the present invention, the silicon nitride film deposition apparatus comprises: a chamber; a substrate support unit disposed in the chamber and loading one or more substrates thereon; a gas supply unit to supply a source gas and two or more reaction gases different from each other into the chamber; and a control unit to control a thin film deposition process through control of the gas supply unit.
Patent KR-20200106791-A (KR)
Inventor: MIN JI HO
IPC: G05B23/02
Filed: 2019-03-05
Abstract: The present invention relates to an early warning device of a power plant using a switching technology of multi-predictive models and to a method thereof. The early warning device comprises: a multi-prediction model module including a plurality of prediction models for receiving information on operating states of devices of a power plant and outputting a predicted value and a reliability of the predicted value for each of a plurality of sections; a reliability analysis module switching one predictive model of the plurality of predictive models with a current predictive model based on the reliability output by the plurality of predictive models provided in the multi-predictive model by quantifying and analyzing the reliability output by the multi-predictive model and outputting the final predictive value; a predictive value flattening module flattening discontinuities of the predicted values output from the plurality of predictive models and comparing the final predictive value output with respect to the plurality of sections with an actual measured value to output a residual; and a determination module analyzing the residual and determining a defect in tan operation state of devices of the power plant.
Patent KR-20190028676-A (KR)
Title: Control apparatus, control method, and storage medium
Inventor: TAKEKOSHI KOJI
IPC: A61B6/00
Filed: 2019-03-08
Abstract: The present invention relates to a control device which is realized by a control system including a plurality of information processing devices, a control method thereof, and a storage medium thereof. The control device of the present invention comprises: a communication circuit receiving state information from a plurality of radiation imaging units, respectively; a determination unit performing a first or second determination; and a display control unit controlling display of a display unit. The present invention prevents the plurality of radiation imaging units from transmitting massive data to a relay such that efficiency of communication is improved.
Patent KR-20200051450-A (KR)
Inventor: BAE DUCKHO
IPC: G06F3/06
Filed: 2019-03-08
Abstract: A storage device connected to a host using a virtual memory comprises: a sold state drive which receives a streaming access command and sequentially fetches the requested stream data from a nonvolatile memory device according to the LBA list and chunk size included in the streaming access command from a nonvolatile memory device and sequentially loads it into a buffer; and an in-storage computing unit which accesses the streaming area registered on the virtual memory and sequentially reads the stream data loaded into the buffer in units of the chunk size. The buffer is mapped to the virtual memory as a virtual memory address of the streaming area.
Patent KR-20200111321-A (KR)
Inventor: CHO HYUN HO
IPC: B60W50/14
Filed: 2019-03-18
Abstract: The present invention relates to a smart care method for an elderly driver to check the state of the elderly driver in real-time and a system thereof. According to the present invention, the system comprises: a steering wheel cover sensing device installed on a steering wheel cover to measure vital sign information of a driver; a smart care service providing server allowing a related party terminal to be registered thereto and comparing the vital sign information measured by the steering wheel cover sensing device with a predetermined reference value to determine whether the driver is in an abnormal state; and a gateway control device using the steering wheel cover sensing device to measure the vital sign information of the driver before a drive, providing the measured vital sign information to the smart care service providing server to forcibly turn off ignition of a vehicle when an abnormality of the driver is detected based on a determination result of the smart care service providing server, using the steering wheel cover sensing device to periodically measure the vital sign information of the driver during the drive, and transferring the measured vital sign information to the smart care service providing server to inform the driver of the abnormality and, at the same time, inform the related party terminal of the abnormality when the abnormality of the driver is detected based on the determination result of the smart care service providing server.
Patent KR-20200111423-A (KR)
Inventor: HAKJAE KIM
IPC: F24F11/89
Filed: 2019-03-19
Abstract: The present invention relates to an indoor unit of an air conditioner. According to an embodiment of the present invention, a rack extending in a vertical direction is provided at a rear portion of a front panel, and a gear interlocking with the rack is provided at a panel driving part, so that the front panel can be stably moved by the interlocking of the rack and the gear. In addition, a holder bracket is configured to extend in the vertical direction at a position adjacent to the rack at the rear portion of the front panel, and a holder provided on a grill frame may be inserted into the holder bracket.
Patent KR-20200111426-A (KR)
Title: Indoor unit for air conditioner
Inventor: HAKJAE KIM
IPC: F24F13/12
Filed: 2019-03-19
Abstract: The present invention relates to an indoor unit of an air conditioner. In the indoor unit of the air conditioner according to an exemplary embodiment of the present invention, a front panel made of a metal material and a support frame made of a plastic resin are joined through a panel bracket, so that the front panel is firmly coupled and deformation of the front panel can be prevented by reducing the amount of stress transmitted to the front panel according to a weight difference.
Patent KR-20200111859-A (KR)
Inventor: PARK SEUNGHYUN
IPC: G02F1/1335
Filed: 2019-03-19
Abstract: Provided is an electronic device, which comprises: a display panel including light-emitting elements including light-emitting patterns and an encapsulation layer covering the light-emitting elements; a cover panel including a window layer disposed on the display panel, a color filter layer disposed on the window layer, and a color control layer disposed on the color filter layer and including quantum dots; and a refractive control layer including first refractive patterns overlapping each of the light-emitting patterns and having a first refractive index, and a second refractive pattern adjacent to the first refractive patterns and having a second refractive index lower than the first refractive index. The maximum width of the first refractive pattern in a first direction is greater than the width of the light-emitting pattern in the first direction.
Patent KR-20200112265-A (KR)
Inventor: CHOI YEON JI
IPC: G06Q10/06
Filed: 2019-03-21
Abstract: According to an embodiment of the present invention, a method for managing, by a deliver management server, the work of a delivery driver according to a delivery route comprises the following steps of: providing a list of delivery items for at least one delivery area allocated to a delivery driver to a corresponding delivery driver terminal, and receiving a map information request for one delivery area from the delivery driver terminal; outputting the location of a delivery item belonging to the delivery area on a map of the delivery driver terminal according to the map information request; and receiving a delivery order number of the delivery item from the delivery driver terminal, and generating a delivery route based on the delivery order number.
Patent KR-20190035651-A (KR)
Title: Led device with shared voltage-limiting unit and individual voltage-equalizing resistance
Inventor: YANG TAI HER
IPC: H05B44/00
Filed: 2019-03-26
Abstract: The present invention relates to a light emitting diode device which connects commonly used voltage limiting units to both ends of an LED set composed of a plurality of series-connected LEDs with positive-polarity in parallel, and connects an equalizing resistance to both ends of the individual LEDs in parallel, thereby suppressing an overvoltage with respect to the LED.
Patent KR-20190038511-A (KR)
Title: Transmitting apparatus and interleaving method thereof
Inventor: KIM KYUNG JOONG
IPC: H03M13/11
Filed: 2019-03-28
Abstract: A transmitting device is disclosed. The transmitting device comprises: an encoding unit for generating a low density parity check (LDPC) code word by performing LDPC encoding; an interleaver for interleaving the LDPC code word; and a modulation unit for mapping the interleaved LDPC code word to a modulation symbol, wherein the modulation unit maps bits included in a predetermined bit group among a plurality of bit groups constituting the LDPC code word.
Patent KR-20190134464-A (KR)
Title: Apparatus for forming hole in optical film and method of forming hole in optical film
Inventor: HWANG IN SUP
IPC: B26F1/16
Filed: 2019-04-11
Abstract: In a hole forming method, an optical film is prepared. A preliminary hole is formed through the rotational movement of a hole cutting tool in the optical film. While maintaining the rotational movement, the hole cutting tool is moved in the direction parallel to the surface of the optical film to form a hole having an expanded diameter from the preliminary hole. Rotation and movement of a cutting edge can improve the reliability of the cut surface.