Abstract: An embodiment of the present specification provides a method for preparing a carbon nanotube, comprising: (a) introducing a catalyst into a chemical vapor deposition reactor; and (b) injecting a carbon source gas to synthesize a carbon nanotube, wherein an input of the catalyst and a flow rate of the carbon source gas satisfy the following Formula 1: 0.1 L/g·min?a/b?1.1 L/g·min??[Formula 1] wherein a represents a flow rate (L/min) of the carbon source gas and b represents an input (g) of the catalyst.

Abstract: Disclosed is an operating method of an image processor communicating with a memory device that includes receiving raw image data from the memory device, receiving first to n-th filter data from the memory device, generating first to n-th heat maps based on a convolution neural network (CNN) operation of the first to n-th filter data and the raw image data, extracting a first region of interest (ROI) from a first heat map among the first to n-th heat maps, extracting a first portion corresponding to the first ROI from a second heat map among the first to n-th heat maps, and generating a first top-down heat map by applying the first portion of the second heat map to the first ROI of the first heat map. ‘n’ is a natural number greater than ‘2’.

Abstract: An internal reference voltage generation device may include a cell array including a plurality of cells which provide reference voltages of different levels. Each of the plurality of cells may include one of a plurality of divider resistors included in a resistor string; a transmission gate configured to output a voltage of a divider node which is connected to the one divider resistor, in response to a select signal; and a unit decoder configured to provide the select signal to the transmission gate.

Abstract: A breast cancer risk assessment method of a breast cancer risk assessment system using a mammography image according to an embodiment includes generating, by the breast cancer risk assessment system, assessment data including breast density information generated by measuring density of an assessment target breast from a mammography image of the assessment target breast, and breast pattern information generated by extracting a characteristic pattern of the assessment target breast from the mammography image, and calculating, by the breast cancer risk assessment system, a breast cancer occurrence risk degree of the assessment target breast by applying a preset weight to each of pieces of information included in the assessment data.

Abstract: Provided is an aerosol generating apparatus including: a heater configured to heat an aerosol generating article inserted into an accommodation space of the aerosol generating apparatus; a sensing module including at least one of an inductive sensor configured to detect a change in an inductance of the accommodation space or a temperature sensor configured to detect a change in a temperature of the heater; and a processor configured to: detect, via the sensing module, whether the aerosol generating article that is inserted into the accommodation space is at least partially moved from the accommodation space; and based on detecting that the aerosol generating article is at least partially moved from the accommodation space, control a power supply to the heater, based on at least one of the change in the inductance or the change in the temperature acquired via the sensing module.

Abstract: A circuit board includes a base layer, an electrode layer formed on the base layer, a passivation layer formed on the electrode layer while opening a part of the electrode layer, and a surface treatment layer formed on the open surface of the electrode layer. The surface treatment layer may contain 70 to 40% of copper and 30 to 60% of nickel.

Abstract: An adjustment device includes a base, a ratchet wheel assembly and a fixing rod. The base includes an accommodating groove and ratchet teeth. The ratchet wheel assembly is rotatably accommodated in the accommodating groove and includes a body, an elastic arm, and a pawl. The elastic arm includes a first connecting segment connected to the body and a second connecting segment connected to the pawl. The pawl may engage with one of the ratchet teeth. The fixing rod movably extends between the body and the elastic arm. When the fixing rod is arranged between the second connecting segment and the body, the pawl is fixed to the ratchet teeth, so that the ratchet wheel assembly is positioned on the base. When the fixing rod is arranged between the first connecting segment and the body, the ratchet wheel assembly may rotate relative to the base.

Abstract: A massager controlling apparatus and a method thereof are provided. The massager controlling apparatus according to an embodiment of the present disclosure includes a setting part configured to set a massage mode and a control part configured to control a moving speed of a driving module performing massage to adjust at least one of an operation time of a corresponding massage pattern and massage strength according to the massage mode set by the setting part and a body shape of a user.

Abstract: Embodiments of the present disclosure are directed to an optical assembly for optical transceiver which is composed of two separate sub-assemblies including an assembly that is coupled with a substrate and has a post formed to have a central hollow into a multi-branched shape, for increasing the optical alignment efficiency between the optical elements included in the optical assembly for optical transceiver which involves multiple complicated and sophisticated processes, the optical assembly for optical transceiver being structured to drain out the epoxy resin or the refractive index matching material used when coupling the optical fiber inserted from the outside with the optical elements, whereby greatly reducing optical alignment errors caused by the epoxy resin or refractive index matching material, as well as directed to an optical transceiver using the optical assembly for optical transceiver.

Abstract: An apparatus and a method for caring emotion of a driver based on a vehicle sound, may include a detector configured to detect driving information of the vehicle and body information of a user, a non-transitory storage to store instructions, and a processor to execute the instructions. The processor determines an emotional status of the driver by use of at least one of the driving information or the body information, to generate a healing sound by designing a virtual sound based on the driving information and the emotional status of the driver, and to generate and output the healing sound.

Abstract: A sound control device mounted in a vehicle and control method thereof includes obtaining whether an audio function is ON or OFF, and determining a maximum limit value for a displacement of a speaker due to a noise control signal according to whether the audio function is ON or OFF.

Abstract: A power supply system may include a target device and an adapter. The target device may include an adapter connection switch that receives adapter recognition information to form a connection with the adapter, a voltage detection unit that receives an output voltage from an adapter, and a voltage-change-requesting unit that outputs a voltage to request a voltage change based on information on the output voltage from the adapter. The adapter may include a device information recognition unit that receives the voltage to request a voltage change, and an output-voltage-changing unit that changes the output voltage based on the voltage to request a voltage change.

Abstract: The present invention relates to verifying the suitability of a tool and diagnosing a spindle for a machining center on which different tools are mounted. Provided are a machining center spindle diagnosis apparatus and method configured to monitor a change of a tool in the machining center; when the change of the tool is recognized, control the machining center to idle the spindle; acquire sensor data from a sensor installed on the machining center during the idling of the spindle; input the acquired sensor data to a tool verifying model pre-trained by a machine learning technology to verify suitability of the tool; and when the tool is verified to be suitable, inputting the acquired sensor data to a spindle diagnosing model pre-trained by the machine learning technology to diagnose an operating state of the spindle.

Abstract: An aerosol generating apparatus may include: a housing including a first chamber into which an aerosol generating article is inserted, a second chamber spaced apart from the first chamber, and an air path provided between the first chamber and the second chamber; a pressure sensor configured to detect a pressure in the second chamber; and a processor configured to obtain pressure sensing data from the pressure sensor, detect a pressure change inside the second chamber based on the pressure sensing data, and output a notification indicating that a user's puff operation has occurred when a pressure change inside the second chamber is greater than or equal to a designated value.

Abstract: A system for a memory module mounting test according to an embodiment of the present disclosure includes: a test tray on which a memory module array in which a plurality of memory modules are positioned in a predetermined pattern is loaded; a tester in which the test tray is able to be seated and a socket corresponding to the predetermined pattern is formed to perform a test on the memory module array; a transfer for transferring the test tray from an initial position to a seating position where the test tray is seated in the tester; and a mounter for mounting the memory module array transferred to the seating position in the socket.

Abstract: Various embodiments of the present disclosure relate to a vehicle that includes a plurality of sensors configured to obtain surrounding environment information and a processor operatively coupled to the plurality of sensors. The processor is configured to generate a plurality of images reflecting dynamic characteristics according to a type of a surrounding object based on the surrounding environment information, and determine a collision avoidance trajectory for avoiding collision with the surrounding object based on the plurality of images reflecting dynamic characteristics according to the type of the surrounding object.

Abstract: Semiconductor packages and methods of fabricating the same are provided. The semiconductor package includes a first package substrate including a first area, a first semiconductor chip mounted on the first area, a second package substrate disposed on an upper surface of the first semiconductor chip and including a second area and a first hole penetrating through the second area, a second semiconductor chip mounted on the second area, a connection member electrically connecting the first package substrate and the second package substrate and between the first package substrate and the second package substrate, and a mold film covering the second semiconductor chip on the second package substrate, filling the first hole, and covering the first semiconductor chip and the connection member on the first package substrate.

Abstract: A tiling display apparatus includes a set board configured to generate a control command signal and a plurality of display modules connected to one another through a first interface circuit based on a serial communication scheme, for executing a target operation corresponding to the control command signal, and the first interface circuit is implemented with a bidirectional serial interface having a feedback loop type between adjacent display modules of the plurality of display modules.

Abstract: An aerosol-generating device includes a battery, a controller, an atomizer, and a scaling member disposed on one end of the atomizer and including a thermoplastic elastomer (TPE), wherein the thermoplastic elastomer has a melt flow index of 1.8 g/10 min to 80.0 g/10 min.

Abstract: An embodiment electrolyte solution includes a lithium salt, a solvent, and a functional additive, wherein the functional additive includes 4-((tert-butoxydimethylsilyl)methyl)-5-methyl-1,3-dioxol-2-one represented by as an electrode film additive. An embodiment lithium secondary battery includes the above-described electrolyte solution, a positive electrode including a positive electrode active material including Ni, Co, and Mn, a negative electrode including a carbon-based negative electrode active material or a silicon-based negative electrode active material, and a separator interposed between the positive electrode and the negative electrode.