Abstract: An extreme ultraviolet (EUV) photosensitive polymer includes a first repeating unit represented by Chemical Formula 1. (in Chemical Formula 1, R1 is a C1 to C10 alkyl group, a C1 to C10 haloalkyl group, a C6 to C18 aryl group, a haloaryl group, a C7 to C18 arylalkyl group, a C7 to C18 alkylaryl group, or a C6 to C18 haloaryl group, and R2 is a direct bond, a C1 to C10 alkylene group, a C2 to C10 alkenyl group, a C2 to C10 alkynyl group, a C6 to C18 aryl group, a C7 to C18 arylalkyl group, or a C7 to C18 alkylaryl group).

Abstract: A photosensitive polymer includes a first repeating unit represented by Formula 1 below: wherein, in Formula 1, R1 is a hydrogen atom or a methyl group, R2 is a substituted or unsubstituted C1 to C30 acid-labile hydrocarbylene group having a tertiary carbon atom, R3 is a C1 to C10 linear or branched alkyl group, a C3 to C30 tertiary alicyclic group, a C6 to C20 aryl group, a C2 to C20 heteroaryl group, a C7 to C20 arylalkyl group, or a C2 to C20 heteroarylalkyl group, and n is 0 or 1. To manufacture an integrated circuit (IC) device, a change in the polarity of the photosensitive polymer is induced by causing a multi-step deprotection reaction of the first repeating unit.

Abstract: The present disclosure relates to an antenna RF module and an antenna apparatus including the antenna RF modules. The antenna RF module includes an RF filter arranged on a front surface of a main board, a radiation element module arranged on a front surface of the RF filter, at least one reflector grill pin arranged between the RF filter and the radiation element module and grounding (GND) the radiation element module, outside air being introduced from in front of the RF filter to in back of the RF filter or being discharged from in back of the RF filter to in front of the RF filter through the at least one reflector grill pin, and a radome combined with the front surface of the RF filter and protecting the radiation element module from the outside.

Abstract: A method of fabricating a mask by performing optical proximity correction (OPC) is provided, The method of fabricating a mask includes generating a target curve by using bias control points, extracting a first contour of an initial design mask by performing an OPC process, generating a first updated design mask, which is obtained by updating the initial design mask, by using the first contour and the target curve, extracting a second contour of the first updated design mask by performing the OPC process, and generating a second updated design mask by using the second contour and the target curve

Abstract: An embodiment is a seat height gear system including a monopost apparatus configured to be mounted under a seat, the monopost apparatus comprising a lower post and an upper post, and a direct drive motor apparatus within the monopost apparatus, the direct drive motor apparatus including a motor and a gear unit, the gear unit including a pinion and a rack bar, the rack bar being configured to be engaged with the pinion, the motor being fixed to the lower post of the monopost apparatus, the pinion being coupled to the motor, the rack bar being fixed to an upper post of the monopost apparatus, the motor being configured to rotate the pinion, and the rack bar being configured to convert the rotation of the pinion into the linear motion.

Abstract: Provided are a method and a system for solving a tolerance problem which may occur in a slicing quantization (staircase effect) process of 3D printing which slices a 3D model and laminates layers one by one. According to an embodiment of the present disclosure, a 3D model slicing method includes the steps of: receiving, by a 3D model slicing system, an input of data of a 3D model to 3D print; examining, by the 3D model slicing system, a dimension of a layer thickness of the inputted 3D model; correcting, by the 3D model slicing system, a size of a layer for slicing, based on a result of the examining; and slicing, by the 3D model slicing system, the corrected 3D model. Accordingly, by preserving a dimension within a layer thickness, a problem that a concavo-convex portion is lost in a slicing quantization process of 3D printing according to a slicing position within a layer thickness, and a tolerance occurs is solved.

Abstract: The present disclosure relates to an antenna RF module, an RF module assembly including the antenna RF modules, and an antenna apparatus including the RF module assembly. Particularly, the antenna RF module includes an RF module, a radiation element module arranged on a first side of the RF filter, and an amplification unit board arranged on a second side of the RF filter, an analog amplification element being mounted on the amplification unit board. A plurality of antenna RF modules constitute the RF module assembly, and the RF module assembly and an antenna housing constitute the antenna apparatus. Accordingly, a radome that interrupts dissipation of heat to in front of an antenna is unnecessary, and heat generated from heat generating elements of the antenna apparatus is spatially separated. Thus, it is possible that the heat is dissipated in a distributed manner toward the front and rear directions of the antenna apparatus. The effect of greatly improving performance in heat dissipation can be achieved.

Abstract: Provided is a tool path optimization method for minimizing thermal unbalance in metal 3D printing. The tool path optimization method according to an embodiment of the present disclosure includes: a slicing step of generating stratum data by slicing a 3D model; a tool path data generation step of generating tool path data including a moving path of a tool which is moved inside a stratum, by applying equipment settings to the generated stratum data; a thermal data generation step of generating thermal data A of a first stratum and thermal data B1, B2, B3 of three lower layers of the first stratum, based on the tool path data; a thermal data analysis step of generating a thermal data contour by combining the thermal data A, B1, B2, B3; a thermal data application step of identifying an area where thermal unbalance is concentrated based on the thermal data contour, and setting an identification area D; and a tool path optimization step of optimizing a tool path for the identification area D.

Abstract: The present disclosure relates to an antenna RF module, an RF module assembly including the antenna RF modules, and an antenna apparatus including the RF module assembly. Particularly, the antenna RF module includes an RF module, a radiation element module arranged on a first side of the RF filter, and an amplification unit board arranged on a second side of the RF filter, an analog amplification element being mounted on the amplification unit board. A plurality of antenna RF modules constitute the RF module assembly, and the RF module assembly and an antenna housing constitute the antenna apparatus. Accordingly, a radome that interrupts dissipation of heat to in front of an antenna is unnecessary, and heat generated from heat generating elements of the antenna apparatus is spatially separated. Thus, it is possible that the heat is dissipated in a distributed manner toward the front and rear directions of the antenna apparatus. The effect of greatly improving performance in heat dissipation can be achieved.

Abstract: The present disclosure relates to an antenna RF module, an RF module assembly including the antenna RF modules, and an antenna apparatus including the RF module assembly. Particularly, the antenna RF module includes an RF filter, a radiation element module arranged on a first side of the RF filter, and an amplification unit board arranged on a second side of the RF filter, an analog amplification element being mounted on the amplification unit board. A plurality of antenna RF modules constitute the RF module assembly, and the RF module assembly and an antenna housing constitute the antenna apparatus. Accordingly, a radome that interrupts dissipation of heat to in front of an antenna is unnecessary, and heat generated from heat generating elements of the antenna apparatus is spatially separated. Thus, it is possible that the heat is dissipated in a distributed manner toward the front and rear directions of the antenna apparatus. The effect of greatly improving performance in heat dissipation can be achieved.

Abstract: Disclosed is a phase shifter. According to an embodiment of the present invention, provided is a phase shifter comprising: an elongated fixed board unit including one or more fixed circuit boards each having a circuit pattern formed on one surface thereof, a guiding bracket surrounding the fixed board unit and fixed to the fixed board unit, and one or more moving board units disposed between the guiding bracket and at least one surface of the fixed board unit, guided by the guiding bracket, and including one or more moving circuit boards having conductive strips formed thereon that are coupled to the circuit patterns on the fixed circuit boards.

Abstract: A battery voltage prediction apparatus may include: a state-of-charge (SOC) derivation unit configured to derive the SOC of a battery according to a current that is input or output to the battery and a capacity of the battery; a fixed parameter derivation unit configured to derive fixed parameters required for an equivalent circuit model based on voltages measured according to input/output currents of the battery and a time change within a preset time when the current is input or output for the preset time; and a tuning parameter derivation unit configured to derive at least one tuning parameter that varies depending on a time required for the equivalent circuit model when the current is input or output for a time exceeding the preset time.

Abstract: Disclosed is a method for producing a wafer map. More specifically, the present invention relates to: a method for producing a wafer map used for manufacturing chips in the semiconductor field, wherein a geographic information system (GIS) technique is used to produce the wafer map; and a method and system for providing wafer test results using same. According to an embodiment of the present invention, a semiconductor wafer is formed as a map by using the GIS technique, a coordinate system used in the GIS is utilized to create a map of the same size as an actual semiconductor wafer, and each of various constituent elements constituting the wafer can be stratified to reflect the actual size of the element to create a wafer map in which each of the elements is geocoded.

Abstract: Provided is a battery pack including a surface pressure maintaining structure is provided, which includes a battery cell and a surface pressure maintaining part that is disposed on one side of the battery cell and applies a surface pressure to the battery cell, wherein the surface pressure maintaining part includes a pair of inclination members that are arranged between the battery cells, move in a horizontal direction to press the battery cell, and have spaces therein, and an insertion member that is inserted between the pair of inclination members, allows the inclination members to slide, and has a space therein.

Abstract: A detachable endoscope including: an insertion unit whose one end is to be inserted into a body; an operation unit coupled to another end of the insertion unit and operating the one end of the insertion unit to perform a bending motion using an operation module; and a detachment unit which detachably couples the operation unit and the insertion unit, and locks the insertion unit in a coupled state simultaneously when being coupled, so that the insertion unit is secured to the operation unit.

Abstract: A detachable endoscope for a duodenum including an insertion unit whose one end is intended to be inserted into a body, and which is provided with a force applying module pivotably disposed on the one end; an operation unit coupled to another end of the insertion unit, and operating the one end of the insertion unit to perform a bending motion with use of an operation module; and a detachment unit including a first detachment module disposed within the operation unit, and a second detachment module disposed within the insertion unit and detachably coupled to the first detachment module.

Abstract: An emotion modeling method for providing a vehicle sound with regard to an emotion of a user in a vehicle sound and an apparatus thereof are provided. The emotion modeling apparatus receives a sound by a user utterance, determines an emotional attribute based on the sound using an emotion analysis algorithm, derives an instrumental value of a sound concept by analyzing psychosocial consequences of the emotional attribute using an artificial neural network, and generates an emotional model based on the instrumental value of the sound concept.

Abstract: A cathode slurry for a lithium secondary battery according to exemplary embodiments may include a cathode active material including lithium metal oxide particles, a binder, a dispersion medium, and at least one of a multivalent carboxylic acid compound and a salt of the multivalent carboxylic acid compound. A total amount of the multivalent carboxylic acid compound and the salt of the multivalent carboxylic acid compound in the cathode slurry may be 0.01 to 0.05 wt. parts based on 100 wt. parts of the lithium metal oxide particles.

Abstract: A razor assembly includes a razor cartridge comprising at least one shaving blade, and a blade housing configured to receive the at least one shaving blade in a first direction; a cartridge connector coupled to the razor cartridge such that the razor cartridge is rotatable with respect to the cartridge connector about a rotational axis parallel to the first direction; and a razor handle, wherein the cartridge connector further comprises: at least two first cantilevers configured to provide a recovering force to the razor cartridge to restore the razor cartridge to a rest position; at least one second cantilever coupled to at least a part of the razor handle; and an upper wall covering the at least one second cantilever, wherein the at least one second cantilever is not exposed to an outside by the upper wall when viewed from a bottom side of the blade housing.

Abstract: A computing device inputs a sample generated from an electrocardiogram signal to a heartbeat classification model, generates a feature map from the sample through multiple first layers of the heartbeat classification model, generates an attention mask based on an assistant feature generated from the feature map and the sample, generates a masked feature map by masking the feature map with the attention mask; and performs classification of the sample from the masked feature map through a second layer of the heartbeat classification model.