baber/WOPTO huggingface dataset:
Patent KR-20200024021-A (KR)
Title: A Polylactic acid polymerization Apparatus and A Manufacturing Method Using That
Inventor: LEE JAE CHUN
IPC: C08G63/08
Filed: 2018-08-27
Abstract: The present invention relates to polylactic acid polymerization equipment and a polymerization method using the same. The polymerization equipment includes: a first accommodation body unit comprising a first accommodation unit which is provided with a space to accommodate monomers and additives necessary for polymerization, a first heating unit which is provided on the outer surface of the first accommodation unit and applies heat to the first accommodation unit, a first vacuum pump unit which communicates with the inside of the first accommodation unit to form a vacuum state inside, and a motor unit which is provided on the upper part of the first accommodation unit and rotates a rotary wing extended to the inside of the first accommodation unit; a second accommodation body unit comprising a second accommodation unit which is provided with a space inside, a second heating unit which is provided on the outer surface of the second accommodation unit and applies heat to the second accommodation unit, and a second vacuum pump unit which communicates with the inside of the second accommodating unit inside to form the inside in a vacuum state; and a connection path which communicates with a lower end of the first accommodation unit and the upper end of the second accommodation unit. The present invention is provided to completely remove moisture contained in lactide and maintain the removed state until a final polymerization process.
Patent KR-20200024395-A (KR)
Title: Steel for plastic injection mold and method of manufacturing the same
Inventor: HONG DO HYUNG
IPC: C21D9/00
Filed: 2018-08-28
Abstract: According to an embodiment of the present invention, mold steel for plastic injection comprises: 0.12 to 0.18 wt% of carbon (C); 0.34 to 0.38 wt% of silicon (Si); 1.48 to 1.52 wt% of manganese (Mn); more than 0 wt% to 0.01 or less wt% of phosphorus (P); more than 0 wt% to 0.002 or less wt% of sulfur (S); 0.8 to 1.2 wt% of copper (Cu); 0.8 to 1.2 wt% of aluminum (Al); 2.5 to 3.5 wt% of nickel (Ni); 0.28 to 0.32 wt% of chromium (Cr); 0.28 to 0.32 wt% of molybdenum (Mo); 0.035 to 0.045 wt% of vanadium (V); 0.006 to 0.01 wt% of nitrogen (N); and the rest of iron (Fe) and other inevitable impurities, wherein the final microstructure of the present invention is tempered bainite tissues. The present invention provides uniformity and high hardness.
Patent KR-20190024805-A (KR)
Inventor: AKIYAMA TAKANOBU
IPC: B23B25/06
Filed: 2018-08-29
Abstract: Disclosed is a high-speed grooving method which, when machining fine grooves in the surface of a workpiece by using an ultra-precision roll turning lathe or a planer machine, can machine each groove not only during a forward stroke of a cutting tool but also during a return stroke of the cutting tool, and can therefore significantly increase the machining efficiency. The high-speed grooving method includes: a dummy machining step of machining a dummy groove in the surface of the workpiece by moving the cutting tool relative to the workpiece in a first direction, then turning the cutting tool 180 degrees, and subsequently further machining the dummy groove by moving the cutting tool in a second direction opposite to the first direction; a step of measuring a displacement of the cutting edge of the cutting tool, caused by the inversion of the cutting tool, from the dummy groove formed in the surface of the workpiece; a forward-stroke machining step of machining a groove with the cutting tool in the surface of the workpiece by moving the cutting tool relative to the workpiece in the first direction; a cutting tool inversion step of turning the cutting tool 180 degrees after completion of the forward-stroke machining step, thereby setting the direction of the cutting edge of the cutting tool to a direction opposite to the first direction so that the workpiece can be machined during a return stroke of the cutting tool; a correction step of correcting the relative position between the workpiece and the cutting tool so as to eliminate the displacement; and a return-stroke machining step of further machining the groove, which has been machined in the forward-stroke machining step, with the cutting tool by moving the cutting tool relative to the workpiece in the direction opposite to the first direction.
Patent KR-20200025691-A (KR)
Title: Pouch exterior for battery and method for preparing the same
Inventor: LEE DONG HYUN
IPC: C23C22/66
Filed: 2018-08-31
Abstract: The present invention relates to a battery pouch exterior material and a manufacturing method thereof. According to the present invention, the battery pouch exterior material comprises: a sealant layer; a base layer; a surface-modified aluminum thin film disposed between the sealant layer and the base layer; and an adhesive layer disposed in at least one of a place between the surface-modified aluminum thin film and the sealant layer and a place between the surface-modified aluminum thin film and the base layer. The peel strength of the surface-modified aluminum thin film is 900 gf/inch to 1200 gf/inch.
Patent KR-20190032190-A (KR)
Title: Wafer processing method
Inventor: SUZUKI KATSUHIKO
IPC: H01L21/56
Filed: 2018-09-03
Abstract: The present invention is to provide a method for processing a wafer, which is capable of performing an alignment process through a sealing material containing carbon black coated on a surface of a wafer. According to the method for processing a wafer, a surface of a device wafer, on which devices are respectively formed on chip regions partitioned by a plurality of predicted division lines formed on the surface to cross each other, is sealed by a sealing material and a plurality of bumps are formed on each of the chip regions of the sealing material. The method comprises: an alignment process of penetrating the sealing material by means of an infrared photographing means from a surface side of the wafer and photographing the surface side of the device wafer so as to detect an alignment mark, and detecting a predicted division line to be processed by laser beams on the basis of the alignment mark; a modification layer forming process of, after the alignment process is performed, positioning a light-converging point of a laser beam of a wavelength, which has a transmittance with respect to the device wafer and the sealing material, inside the device wafer or the sealing material, and irradiating the laser beam from the surface side of the wafer along the predicted division line so as to form a modification layer inside the device wafer and the sealing material; and a division process of, after the modification layer forming process is performed, applying an external force to the device wafer and the sealing material so as to divide the device wafer into individual device chips whose surfaces are sealed by the sealing material with the modification layer as a division base point. The sealing material has transmittance through which infrared rays received by the infrared photographing means transmit.
Patent KR-20190051775-A (KR)
Inventor: SUNG BUM BAE
IPC: H01L29/66
Filed: 2018-09-11
Abstract: According to an embodiment of the present invention, a method for manufacturing a nitride semiconductor device comprises the steps of: forming, on a substrate, an active layer including a first nitride semiconductor layer and a second nitride semiconductor layer sequentially stacked; forming, on the active layer, an electrode including a third nitride semiconductor layer and a fourth nitride semiconductor layer sequentially stacked; forming, on an upper surface of the fourth nitride semiconductor layer, a fifth nitride semiconductor layer having a higher dopant concentration than the third nitride semiconductor layer; performing a heat treatment process on the substrate to diffuse the dopant in the fifth nitride semiconductor layer into the fourth nitride semiconductor layer; and removing the fifth nitride semiconductor layer to expose the upper surface of the fourth nitride semiconductor layer.
Patent KR-20200030827-A (KR)
Title: Method for controlling beam and electronic device thereof
Inventor: KIM TAEYOON
IPC: H04B7/0408
Filed: 2018-09-13
Abstract: According to various embodiments of the present invention, an electronic device comprises: a communication circuit; and a processor operatively connected to the communication circuit. The processor may be set to detect that a reception beam for a first base station is changed and change a reception beam for a second base station based on first change information of the reception beam for the first base station. Other embodiments are also possible.
Patent KR-20200031315-A (KR)
Title: Memory device configured to perform asymmetry write operation according to write direction
Inventor: LEE KYUNG MIN
IPC: G11C8/08
Filed: 2018-09-14
Abstract: Disclosed is a memory device including a variable resistance memory cell and a line control circuit. The variable resistance memory cell comprises a variable resistance element having one end thereof connected to a bit line and the other end thereof connected to a common node, and a first cell transistor and a second cell transistor having one ends thereof connected to the common node and the other ends thereof connected to a source line. The word line control circuit connects a word line connected to a gate electrode of the first cell transistor with a sub-word line connected to a gate electrode of the second cell transistor during a first write operation and blocks the word line and the sub-word line from each other during a second write operation.
Patent KR-20200031947-A (KR)
Title: Display device
Inventor: LEE YOUNG SHIN
IPC: G09F9/30
Filed: 2018-09-17
Abstract: The present invention relates to a display device capable of minimizing damage to a driving IC by a top cover. According to one embodiment of the present invention, the display device comprises: a display panel in which a plurality of sub-pixels are defined; a back cover configured to be rolled together with the display panel; a base plate disposed on one part of one surface of the back cover to support the back cover; and a top cover disposed one part of the other surface of the back cover and configured to be fixed with the back cover so that the back cover is interposed between the base plate and the top cover. The top cover may have an outer circumferential surface formed in a curved shape.
Patent KR-20200031951-A (KR)
Title: Apparatus for Supplying Heating and Hot Water
Inventor: PARK SU DAE
IPC: F24D3/08
Filed: 2018-09-17
Abstract: The present invention relates to a heating and hot water supply device that supplies heating and hot water in a household using a heating medium discharged from an air conditioner. The heating and hot water supply device according to the present invention includes: an inflow line through which a heating medium supplied from a heat source is supplied to a heating demand or is supplied to the heating demand after passing through the air conditioner; a hot water heat exchanger in which heat exchange occurs between the heating medium and water flowing through the inflow line, and which is connected in parallel with the heating demand; and a heating hot water return line that allows the heat medium passed through the heating demand and the heat medium passed through the hot water heat exchanger to be returned to the heat source.
Patent KR-20200033632-A (KR)
Title: Electronic device using a wifi communication and method of operating the same
Inventor: KIM SAE ROME
IPC: H04W88/02
Filed: 2018-09-20
Abstract: According to various embodiments of the present invention, an electronic device comprises a communication circuit performing Wi-Fi communication, and a processor. The processor may be configured to monitor a second beacon signal output from a second electronic device at every predetermined period through the communication circuit, determine a network state for the second electronic device as an inactive state if the second beacon signal is not received for a preset time, and broadcast a first beacon signal including first information indicating that the network state of the second electronic device is an inactive state to at least one adjacent electronic device through the communication circuit.
Patent KR-20200033695-A (KR)
Title: Stand and display apparatus having the same
Inventor: HYUNJUNG KANG
IPC: G06F1/16
Filed: 2018-09-20
Abstract: According to an embodiment of the present invention, a stand of a display device can comprise: a fixer to which a lower end of a glass cover is detachably inserted; a fixer insertion body in which the fixer is detachably inserted; and a pressing body placed inside the fixer insertion body and pressing the fixer. A fastening member fastening hole through which at least one fastening member pressing the pressing body is fastened can be formed in the fixture insertion body.
Patent KR-20200034881-A (KR)
Title: Installation device for partition panel
Inventor: PARK WON DAE
IPC: E04B2/82
Filed: 2018-09-21
Abstract: According to various embodiments of the present invention, a component for simply installing a partition wall can be attached to and detached from a partition wall material. Also, the component for simply installing a partition wall can include a frame, a height control part, a joint part, and a first compression member. In addition, the component for simply installing a partition wall further includes a rotation support part and a second compression member. According to one embodiment of the present invention, the component for simply installing a partition wall can be easily attached to and detached from the partition wall material, thereby facilitating installation, movement and reinstallation of the partition wall.
Patent KR-20190038457-A (KR)
Title: Descaling device
Inventor: UDO HERTEL
IPC: B21B45/08
Filed: 2018-10-01
Abstract: The present invention relates to a descaling device (1) having a device housing (2), a shaft (3), a shaft bearing (4), a nozzle head (5) and a medium coupling (6), wherein the shaft bearing (4) is arranged in the device housing (2) and the shaft (3) is mounted in the device housing (2) by the shaft bearing (4) for carrying out a rotary movement (12), wherein the shaft (3) and the nozzle head (5) are detachably connected to one another in a non-destructive manner, wherein the medium coupling (6) has a medium connection unit (20) for supply of a medium (21), wherein the shaft (3) has a shaft cavity (22) for conducting the medium (21) supplied at the medium connection unit (20) to the nozzle head (5). The present invention provides a descaling device (1) having an improved maintainability and reliability. The descaling device (1) has a motor (32), and the motor (32) is arranged on the shaft (3) in the device housing (2) between the nozzle head (5) and the medium coupling (6) to generate the rotary movement (12) of the shaft (3).
Patent KR-20190044498-A (KR)
Title: Shield connector and shield connector system
Inventor: IKUTA NATSUKI
IPC: H01R103/00
Filed: 2018-10-05
Abstract: An objective of the present invention is to form a structure for protecting a shell connection piece from a contact with an unintended object and a false-insertion preventing structure without having a complex connector shape. To this end, a convex unit (32L, 32R) of a false-insertion prevention unit (31) formed in a resin-based housing (21) is arranged in the front of a shell connection piece (53L, 53R) to electrically connect a metallic shield shell (46) covering the resin-based housing (21) to an external conductor of a coaxial cable installed in an opponent connector. The convex unit (32L, 32R) mutually overlaps the shell connection piece (53L, 53R) when an insertion hole (27) of the housing (21) is viewed in the front.
Patent KR-20200041531-A (KR)
Inventor: CHO HYUNMAN
IPC: G06Q50/26
Filed: 2018-10-12
Abstract: Disclosed is a method for reusing materials. According to an aspect of the present invention, the method for reusing materials can comprise the steps of: sending a confirmation email to an intermediate material manufacturer after deciding to discard products; determining whether to recycle the same by considering the availability of materials and process status of the intermediate material manufacturer; and determining to collect materials that are considered recyclable and changing the same into available stock.
Patent KR-20200042125-A (KR)
Title: electromagnetic force compensation scale for inspection of inkjet nozzle
Inventor: KIM JEONG SEON
IPC: G01G17/04
Filed: 2018-10-15
Abstract: A task to be solved by the present invention is to provide an electromagnetic compensation electronic scale for inspecting an inkjet nozzle capable of inspecting malfunction of the inkjet nozzle. The electromagnetic compensation electronic scale for inspecting the inkjet nozzle according to one embodiment of the present invention comprises: a weighing pan provided at the main body and spaced apart from a guide; a protective cover wherein an opening unit is formed at an upper part and which shields the weighing pan from the outside; a heat dissipation support wherein a lower end is contacted to the weighing pan and an upper end passes through the opening unit and is disposed; and a basket coupled to the upper end of the heat dissipation support and accommodating droplets of a predetermined temperature falling from the inkjet nozzle.
Patent KR-20200042279-A (KR)
Title: Medium-entropy alloys and Manufacturing method of the same
Inventor: KIM HYOUNG SEOP
IPC: C22C30/00
Filed: 2018-10-15
Abstract: The present invention provides medium-entropy alloy capable of forming precipitates at a base of an FCC structure and securing excellent strength and ductility due to transformation organic plasticity, and a method for manufacturing the same. Introduced is the medium-entropy alloy comprising: 3 to 15 atomic% of Cr; 40 to 60 atomic% of Fe; 5 to 20 atomic% of Co; 5 to 20 atomic% of Ni; and 3 to 15 atomic% of Mo.
Patent KR-20200043555-A (KR)
Inventor: HONG YUN HEE
IPC: A23L33/20
Filed: 2018-10-16
Abstract: Disclosed is a supplement food composition for diet capable of suppressing various side effects of existing diet foods, suppressing proliferation and differentiation of adipocytes, and replenishing insufficient nutrients due to lack of food. For the same, the present invention provides the supplement food composition for diet containing Plantago ovata, a Phaseolus multiflorus var. protein extract, a Garcinia gummi-gutta extract, chitosan, L-carnitine, and magnesium. According to the present invention, since the supplement food composition is taken for a small amount before and after meals, it is possible to suppress adipogenesis, as well as proliferation and differentiation of adipocytes even by taking nutrients through meals, thereby being able to reduce body fat.
Patent KR-20180117078-A (KR)
Inventor: RAMSTEIN CHRISTOPHE
IPC: G06F3/0484
Filed: 2018-10-17
Abstract: The present invention relates to haptic feedback auxiliary text manipulation. A system has a touch screen generates haptic effects in response to manipulation of a text displayed on a touch screen. The system detects a touch in a text, determines whether the touch is an operation of the text, and determines a type of operation. The system then generates a type of haptic event at least partially based on the determined type of operation.
Patent KR-20200047133-A (KR)
Title: Advertisement content service apparatus
Inventor: LEE KYU JUNG
IPC: G06Q30/02
Filed: 2018-10-26
Abstract: Disclosed is an advertisement content service device. The advertisement content service device comprises: a communications network; a network terminal connected to the communication network; and an advertisement content management part providing advertisement content services to the network terminal. According to the present invention, as advertisement contents are data-synchronized from a central server, a manager may not need to manage the network terminal, and when charging is not normal, an ordinary person may not recognize the advertisement contents since the advertisement contents are played while being partially damaged. At this time, new advertisement contents are data-synchronized to be played, and therefore, the advertisement content service device can operate normally.
Patent KR-20190049545-A (KR)
Inventor: YOSHII KIMIHIKO
IPC: C09D167/06
Filed: 2018-10-30
Abstract: The purpose of the present invention is to provide a composition which is capable of forming a coating film having excellent adhesiveness with base materials, weatherability, water resistance and wear resistance as well as excellent storage stability. The present invention is a composition comprising polymer particles and a liquid medium, wherein the polymer particles contain a first polymer having a repeating unit derived from a fluorine-containing ethylene based monomer and a second polymer having a repeating unit derived from unsaturated carboxylic acid ester and a repeating unit including a cationic group. The second polymer preferably contains the cationic group in an amount of 0.5 to 50 mmol/100g. The polymer particles preferably contain the first polymer in an amount of more than 0 mass% to less than 15 mass%.
Patent KR-20200048861-A (KR)
Title: Apparatus for implanting hair
Inventor: CHOI UN HA
IPC: A61B17/00
Filed: 2018-10-31
Abstract: According to an embodiment of the present invention, a hair transplant machine comprises: a needle including an incision groove; a staff inserted into the needle; an interior body including a hollow through which the noodle passes and a mounting hole with a size corresponding to a size of the needle to assist mounting and coupling of the needle; a needle fixing cap coupled to one end of the needle, inserted into the inner body through the mounting hole, and including a fastening screw thread protruding outward of the mounting hole; a spring including one end supported on the needle fixing cap; a staff fixing cap coupled to an end of the staff and included in the interior body along with the staff; a cap formed in a shape capable of accommodating the staff fixing cap and coupled to a staff adjusting screw thread formed on an outer circumferential surface of the interior body; an exterior body formed in a shape capable of accommodating the interior body and coupled to the fastening screw thread of the needle fixing cap; and a needle controller disposed between the interior body and the exterior body and coupled to the needle adjusting screw thread formed on the outer circumferential surface of the interior body. According to the present invention, the hair transplant machine can suppress the rotation of the needle controller and the cap at an unintended time.
Patent KR-20200049238-A (KR)
Title: Granular Composition Comprising Dietary Fiber from Green Tea and Method for Preparing the Same
Inventor: SEO JU YEON
IPC: A23P10/25
Filed: 2018-10-31
Abstract: The present invention relates to a granule composition containing dietary fibers derived from green tea and a method for manufacturing the same. More specifically, the granule composition is made of dietary fibers containing processed green tea containing dietary fibers, oligosaccharide, and sugar alcohol as raw materials, thereby being able to be manufactured into granules having size and form easy to take. In addition, the granule has good flowability, thereby being able to solve problems such as flaking, clogging, etc, and also has good filling properties to be easy for quantification, thereby being advantages for commercialization.