baber/WOPTO huggingface dataset:
Patent KR-20210129590-A (KR)
Inventor: NAKAMURA MASARU
IPC: H01L21/78
Filed: 2021-03-29
Abstract: The present invention is to provide a processing method of a wafer in which a deterioration material generated by laser beam irradiation does not remain on an outer circumference of the wafer to prevent the wafer from being damaged during transfer of the wafer. The processing method of the wafer comprises: a process of positioning a light collection point of a laser beam (LB) of a wavelength having transmittance for a wafer (2) from a rear surface (2b) of the wafer (2) inside the wafer (2) corresponding to an outer extra region (10) and irradiating the laser beam (LB) onto the wafer (2) to form a ring shaped modification layer (24) at a location which does not reach a finished thickness of the wafer (2); a protective member arrangement forming process of arranging and forming a protective member (14) on a surface (2a) of the wafer (2); a modification layer removing process of positioning a cutting blade (34) on an area corresponding to the modification layer (24) from the rear surface (2b) of the wafer (2) and cutting the wafer (2) to remove the modification layer (24) and allow a cleavage surface (38) to reach the surface (2a) of the wafer (2); a ring removing process of removing a ring (40) of the outer extra region (10) with the cleavage surface (38) as a starting point; and a grinding process of grinding a rear surface (2b) of the wafer (2) until the finished thickness of the wafer (2) is reached.
Patent KR-20220138099-A (KR)
Inventor: KIHO HAN
IPC: G01N1/28
Filed: 2021-04-05
Abstract: The present invention relates to an active droplet generation device capable of controlling a droplet size, a droplet size control method using the same, and a droplet generation self-diagnosis device. The active droplet generation device comprises: a sample inlet port through which a sample is introduced; an oil inlet port through which oil is introduced; a microchannel through which the fluid introduced through the inlet port passes; a disposable microchannel upper plate having an outlet port through which the fluid passing through the microchannel is discharged; a multi-functional lower plate which can be separated from the disposable microchannel upper plate and can be used permanently; a functional polymer film provided on a lower surface of the upper plate and capable of removing air bubbles in the microchannel in real time while separating the upper plate and the lower plate; a droplet measurement electrode patterned on an upper surface of the lower plate to measure the size of a droplet through a voltage value of the fluid passing through the microchannel; a negative pressure forming means which applies a negative pressure between the upper plate and lower plate so that the upper plate and lower plate can be coupled to or separated from each other by vacuum; and a flow rate control device which controls the flow rate of the oil and the sample by receiving feedback of the voltage value measured by the droplet measurement electrode to adjust the size of the droplet to a desired level. The present invention has an effect of controlling the size of a droplet using a feedback control method by quickly and accurately measuring the size of the droplet using a capacitance impedance technique.
Patent KR-20220139469-A (KR)
Inventor: HYUN SANG HWAN
IPC: C12N5/00
Filed: 2021-04-06
Abstract: The present invention relates to a preparation method of porcine nerve organoids and uses thereof. In the present invention, a neural organoid is prepared by using a porcine embryonic stem cell line having a central nervous system similar to that of a human. The neural organoids prepared according to the preparation method of the present invention comprise various nerve cells and can be cultured for up to 102 days. Therefore, the neural organoids solve the difficulties of research using existing human brain cells and can be usefully used in research on human central nervous system diseases such as Parkinson's disease, Huntington's disease, Alzheimer's disease, and brain tumor.
Patent KR-20220042999-A (KR)
Inventor: MAKURIN MIKHAIL NIKOLAEVICH
IPC: H01Q13/20
Filed: 2021-04-06
Abstract: The present invention relates to a radio frequency (RF) system comprising two planar RF devices coupled by a non-galvanic interconnect. According to various embodiments, the two planar RF devices are separated by a dielectric layer, each RF device having a plurality of pads disposed on a surface and surrounded by a common electrode serving as a grounded metal shield. Here, the pad of the first RF device and the pad of the second RF device face each other, and capacitive coupling is implemented between the pads. The present invention can reduce the complexity and size of the system and provide a more reliable and easily producible interconnect between the elements of the RF system.
Patent KR-20220144580-A (KR)
Inventor: KIM JIHUN
IPC: G06Q40/04
Filed: 2021-04-20
Abstract: The present invention relates to a method for automatically calculating a bond unit price, and a device thereof. The method can extract all points of cash flow which will occur in the future from the bond from issuance information of the bond, calculate the size of the cash flow which will occur at each time point extracted above, and calculate the bond unit price, which is the value of bonds after a specific point in time to price the bond unit price.
Patent KR-20220144697-A (KR)
Inventor: KIM JOON HEE
IPC: H01M10/0562
Filed: 2021-04-20
Abstract: Provided are a positive active material including a compound represented by the following chemical formula 1, a manufacturing method thereof, a positive electrode including the same, and a secondary battery. The chemical formula 1 is Li_x(Co_(1-y)M_y)_z(P_2O_7)_4, wherein 5 <= x <= 7, 0.01 <= y <= 0.1, 4 <= z <= 6, and M is a group 3 to 11 element belonging to period 5 and 6 of the periodic table, or a combination thereof. The positive active material provides high voltage and has excellent high-rate characteristics.
Patent KR-20210046629-A (KR)
Title: aerosol-forming apparatus and cradle for accommodating the same
Inventor: HAN JUNG HO
IPC: A24F40/53
Filed: 2021-04-20
Abstract: The present invention comprises: a vaporizer comprising a heater for generating an aerosol by heating a liquid composition; and a cigarette insertion unit into which a cigarette comprising a plurality of segments is inserted. An aerosol generated from the vaporizer passes through the cigarette inserted into the cigarette insertion unit and comes in contact with at least one substance included in any one segment among the plurality of segments, so the aerosol accompanying the at least one substance is delivered to the user's mouth through one end of the cigarette.
Patent KR-20220132397-A (KR)
Title: System and method for supporting clinical decision for acute kidney injury using recurrent neural network model
Inventor: KIM SEJOONG
IPC: A61B5/00
Filed: 2021-04-22
Abstract: A clinical decision support system using an RNN machine learning model according to an embodiment of the present invention includes: an input unit that sequentially receives patient-related information; a first prediction model using an RNN machine learning algorithm and predicting the possibility of acute kidney injury (AKI) in a patient based on input patient-related information; a second prediction model using an RNN machine learning algorithm and predicting a change in serum creatinine level of a patient based on a prediction result of the first prediction model; and a plot generation unit for generating at least one plot that visually represents the effect of each characteristic variable on a prediction result with respect to at least one characteristic variable included in the patient-related information. According to the embodiment, the possibility of AKI occurrence and changes in serum creatinine levels in hospitalized patients can be predicted in real time using the RNN machine learning model, and plots that visually represent the relationship between feature variables and results that affect the results of the predictive model are provided, so that it is possible to provide insight into clinical decision-making.
Patent KR-20220145992-A (KR)
Title: Display device and method of manufacturing display device
Inventor: BAE SUNG GEUN
IPC: H01L33/00
Filed: 2021-04-22
Abstract: An objective of the present invention is to provide a display device capable of reducing contact resistance and resistive-capacitive delay between electrodes. The display device includes: a first light emitting element arranged between a first pattern and a second pattern; a first alignment electrode positioned on the first pattern and having a first inclined surface facing the first light emitting element; a first connection electrode disposed on the same layer as the first alignment electrode; and a first electrode and a second electrode respectively connected to both ends of the first light emitting element. Each of the first alignment electrode and the first connection electrode includes a first electrode layer and a second electrode layer sequentially stacked, and a contact hole exposing the first electrode layer is formed in the second electrode layer of the first connection electrode, and the first electrode comes in contact with the first electrode layer of the first connection electrode and a side surface of the second electrode layer of the first connection electrode through the contact hole.
Patent KR-20220146775-A (KR)
Inventor: HAN WOO HYUN
IPC: E06B3/70
Filed: 2021-04-26
Abstract: The present invention relates to a dog door (100) which is formed on a part of a door (1000) through which people enter or exit, thereby allowing a dog to freely enter or exit even when the door (1000) is not opened. The dog door (100) has both a door (10) for going out and a door (20) for coming home, which are formed together on an entry hole formed on the door (1000). The door (10) for going out has a rotation shaft (11) formed on an upper side in a horizontal direction to allow the dog door to be opened outwards when a dog pushes the door from the inner side. The door (20) for coming home is opened towards the indoor side when the dog pushes the door (20) for coming home from the outside. According to the present invention, the dog door is installed with both a door for going out and a door for coming home on a part of a door used by people to enter or exit such that a dog can freely enter or exit through the dog door even when the door for people is not opened, thereby providing convenience to both the dog and the dog's owner and preventing outer wind, fine dust or the like from entering through the door to maintain airtightness.
Patent KR-20220149228-A (KR)
Inventor: LEE JUN HO
IPC: H04B7/06
Filed: 2021-04-30
Abstract: A method of effectively performing beam training based on reinforcement learning includes the steps of: obtaining at least one of a probability distribution and a value function for selecting one of a plurality of beams that are used to perform beamforming; selecting a candidate beam which is expected to be the best beam from among the plurality of beams based on the at least one of the probability distribution and the value function; performing a present training operation based on the candidate beam and a previous beam selected by at least one previous training operation; and selecting a present beam to correspond to an optimal beam based on a result of the present training operation.
Patent KR-20220149955-A (KR)
Inventor: LEE JAE JOON
IPC: B28D1/12
Filed: 2021-05-03
Abstract: The present invention relates to a method of installing an airtight cover for sealing a jig for changing direction used in an eco-friendly wire saw dry or wet cutting device and an object to be cut, and a method for installing the airtight cover, and more specifically to the jig for changing direction and the airtight cover for an object to be cut capable of preventing dust or sludge generated when cutting an object using a wire saw from being scattered to the outside by the airtight cover. The method of installing the airtight cover includes a step of attaching a jig for changing direction to a cutting line of an object to be cut, and a step of installing an A cover on the outer circumferential surface of the attached direction changing jig.
Patent KR-20220151730-A (KR)
Title: Dual tank type ink circulation system
Inventor: LEE HEUNG KEUN
IPC: B41J2/175
Filed: 2021-05-07
Abstract: According to the present invention, in a state where an internal pressure of a first reservoir and a second reservoir is kept constant in a negative pressure state, due to a difference between a water level (H1) from the bottom of a print head to the upper surface of an ink in the first reservoir and a water level (H2) from the bottom of the print head to the upper surface of the ink in the first reservoir, the ink continuously circulates from the first reservoir to the second reservoir through the print head so that solidification of the ink in a jetting nozzle or deposition of metal particles, OLED elements, etc. dispersed in the ink is prevented even if jetting is stopped. The dual tank type ink circulation system includes a print head; a first reservoir; a second reservoir; an ink supply unit; and a negative pressure control unit.
Patent KR-20220153129-A (KR)
Inventor: KWON JAE MIN
IPC: B60L58/21
Filed: 2021-05-10
Abstract: The present invention relates to a vehicle power system and, more specifically, to a vehicle power system that enables the separation and connection of a power grid within a single low-voltage battery in a vehicle to which a high-voltage battery is applied. The power vehicle system according to an embodiment of the present invention comprises: a high-voltage battery; a low-voltage DC converter down-converting and outputting the voltage of the high-voltage battery; a low-voltage battery charged by the output current of the low-voltage DC converter, wherein the low-voltage battery comprises a first cell group including a plurality of battery cells; a second cell group connected in parallel with the first cell group and including a plurality of battery cells; and a plurality of switches electrically disconnectably connecting the first cell group and the second cell group to the low-voltage DC converter; an electric load configured to receive power from at least one of the low-voltage DC converter and the low-voltage battery; and a controller configured to control the opening and closing of the plurality of switches.
Patent KR-20220153148-A (KR)
Inventor: YEOM HONG GI
IPC: A61B5/372
Filed: 2021-05-10
Abstract: Disclosed are a device and a method for analyzing electroencephalogram based on variance analysis. According to an embodiment of the present invention, an EEG analysis device includes: an EEG acquisition unit which acquires a plurality of EEG signals measured under various conditions; a spectrum generating unit for generating a plurality of time-frequency spectrums from the plurality of acquired EEG signals; and a variance analysis unit for calculating an F value of the signal intensity for each time-frequency from the plurality of time-frequency spectrums using a variance analysis method. According to the present invention, it is possible to easily identify EEG characteristics which differ depending on EEG measurement conditions.
Patent KR-20220153384-A (KR)
Inventor: BAE BUMHEE
IPC: H01Q13/10
Filed: 2021-05-11
Abstract: In a wiring structure included in an electronic device according to various embodiments, a power and transmission line for transmitting millimeter wave signals and power is formed in a laminated structure including: a first conductive layer connected to a negative wire of a direct current (DC) signal; a first dielectric layer laminated on the first conductive layer; a second conductive layer laminated on the first dielectric layer and grounded to a ground of an alternating current (AC) signal; a second dielectric layer laminated on the second conductive layer; and a third conductive layer laminated on the second dielectric layer and connected to an input/output port of the AC signal and a plus wire of the DC signal. The third conductive layer may include: a waveguide region in which a waveguide for transmitting a millimeter wave signal is formed; a transition region extending in a first direction from both ends of the waveguide region and forming a part of a millimeter wave signal transmission line; and an isolation region extending in a second direction of the waveguide region and for blocking between the DC signal and the AC signal. Accordingly, the miniaturization of a wiring structure or a cable can be possible.
Patent KR-20220158394-A (KR)
Title: Device to test system for sensing gas and method to test system for sensing gas
Inventor: SURIN HONG
IPC: G01N1/38
Filed: 2021-05-24
Abstract: The present invention relates to a gas detection system testing device which can be manufactured at a reduced cost. More specifically, provided is a device for testing a gas detection system, which detects gas with a two-dimensional image. The gas detection system testing device comprises: a test gas storage unit for storing a test gas; a comparison gas storage unit connected to the test gas storage unit and storing a comparison gas which can be mixed with the test gas; a comparison gas supply unit connected to the comparison gas storage unit and the gas detection system and supplying the comparison gas to the gas detection system; a gas mixture generation unit connected to the test gas storage unit, the comparison gas storage unit, and the gas detection system, generating a plurality of test gas mixtures for test having different gas concentrations by mixing at least part of the comparison gas with the test gas, and supplying the plurality of test gas mixtures into the gas detection system; and a setting unit comparing and analyzing detection values of the plurality of test gas mixtures supplied to the gas detection system with detection values of the comparison gas to preset two-dimensional images according to gas concentrations.
Patent KR-20220160762-A (KR)
Inventor: YOUNG JOON YOON
IPC: G03F1/24
Filed: 2021-05-28
Abstract: Disclosed is a manufacturing method of a reflective layer for a lithography mask having excellent extreme ultraviolet (EUV) reflectivity by simultaneously satisfying density improvement and surface roughness maintenance. The manufacturing method of a reflective layer for a lithography mask, according to the present invention, comprises the steps of: (a) depositing a first material on a mother substrate to form a first layer; (b) forming a second layer by depositing a second material on the first layer; (c) irradiating a surface of the second layer with an electron beam; and (d) sequentially repeating steps (a) to (c) one or more times on the second layer irradiated with the electron beam.
Patent KR-20220166470-A (KR)
Title: Flow prevention sauce bottle
Inventor: KIM YE CHAN
IPC: A47J47/02
Filed: 2021-06-10
Abstract: The present invention relates to an anti-flow sauce bottle. After using the sauce bottle, an oil or a sauce which flows along through a nozzle is collected as a small amount of a liquid in a plastic space under the nozzle. An objective of the present invention is to prevent the sauce bottle from being unclean and with minimal liquid wastage. The sauce bottle of the present invention comprises: a sauce bottle body; an anti-outlet; and a lid.
Patent KR-20210086584-A (KR)
Title: Reusable Face Mask
Inventor: LEE DAE YONG
IPC: A41D13/11
Filed: 2021-06-20
Abstract: The present invention relates to a reusable mask. In the present invention, a reusable mask is suggested. The reusable mask comprises: a mask part formed to prevent passage of air, including three concave-convex coupling portions formed on upper and lower portions of a mask main body, respectively, and formed in a shape in which a nose portion and a mouth portion of a face are separated such that even when a mask is worn, an upper mask can be easily coupled to and decoupled from a lower mask; left and right air flow tubes connected to through-holes at both sides of the mask part with one end positioned on the nose portion of the face when the mask is worn and each formed to have a predetermined length; hanging members capable of fixing the mask to prevent the same from moving when the mask is worn while the air flow tubes are inserted thereinto, and which can be adjusted in movement such that a strap which does not cause ear pain when worn for a long time can be fixed to the back of the neck; an arched filter support frame member formed to have a predetermined width and length, including a plurality of ventilation holes in a surface thereof, wherein the ventilation holes are formed in lower portions of left and right sides, respectively, so as to be connected to the other ends of the air flow path tubes at left and right sides; a filter cover frame member formed to have a diameter and length corresponding to those of the filter support frame member, including a plurality of hexagonal ventilation holes formed in a surface thereof, and covered on the filter support frame member; and an exhaust valve protective cover, wherein two openings in a front surface of the filter support frame member are opened and closed during breathing of a mask wearer while a HEPA filter is attached and inserted into an inner surface of the filter support frame member, and the filter cover frame member is covered with the exhaust valve protective cover such that the exhaust valve protective cover has an exhaust function.
Patent KR-20220169706-A (KR)
Title: Stack table fixing type stacking system utilizing position shift pick and place unit and guide roller rotation and stacking method thereby
Inventor: KIM JONG SUNG
IPC: B65H45/103
Filed: 2021-06-21
Abstract: The objective of the present invention is to provide a battery electrode plate stacking system and an electrode plate stacking method using a position variable PNP unit and a guide roller oscillation motion. The present invention includes: a position variable PNP unit that moves negative electrode plates one by one from a second align table to a stack table; and a separator guide roller that folds a separator supplied to the stack table to be interposed between the negative electrode plates and positive electrode plates stacked on the stack table. The present invention has effects such as reliability improvement, simplification of a system, cost reduction, a convenience increase and the like.
Patent KR-20230013409-A (KR)
Inventor: OH DONG HYEON
IPC: G06Q10/06
Filed: 2021-07-19
Abstract: A work process managing system of the present invention comprises: a managing server which communicates with a plurality of terminals, receives input information from each terminal, and provides a program for managing a project depending on the input information. The program generates a banner which stores a category categorized for each work unit of the project; one progress situation among progress, hold, completion, and deletion for any category; a progress rate for the progress situation; and a work date including a starting date and a finishing date of the any category and a sign of a person in charge. One or more banners are arranged for each category or for each progress situation. When the one or more banners are arranged for each progress situation, the banners are moved through any device in a drag-and-drop manner, and changes a stored progress situation into a moved progress situation. The present invention can increase speed of work.