Abstract: A neural network operation apparatus and method implementing quantization is disclosed. The neural network operation method may include receiving a weight of a neural network, a candidate set of quantization points, and a bitwidth for representing the weight, extracting a subset of quantization points from the candidate set of quantization points based on the bitwidth, calculating a quantization loss based on the weight of the neural network and the subset of quantization points, and generating a target subset of quantization points based on the quantization loss.

Abstract: Provided are a high-capacity secondary battery including a cathode including an over-lithiated oxide cathode material or a Ni-rich cathode material; a lithium anode (Li anode); and an electrolyte including a superoxide dismutase mimic catalyst (SODm).

Abstract: A triboelectric generator includes a first electrode and a second electrode spaced apart from each other, a first charging part on the first electrode, a second charging part on the second electrode, and a grounding unit. The first charging part and the second charging part may be configured to contact each other through a sliding motion. The grounding unit may be configured to intermittently connect a charge reservoir to the second charging part. The grounding unit may be configured to vary the electric potential of the second charging part so as to amplify current flowing between electrodes of the triboelectric generator.

Abstract: A neural network operation apparatus includes an input register to store an input feature map, a processing element array including a processing element to perform an operation based on the input feature map and a weight matrix, and a controller to map a portion of the input feature map and a portion of the weight matrix, both on which the operation is to be performed, to the processing element.

Abstract: An antenna device according to an example embodiment includes a silicon substrate of first type doping, at least two first doped regions formed by second type doping different from the first type doping, a second doped region formed by the second type doping outside a channel region surrounding the at least two first doped regions, and at least two gates disposed on a dielectric layer. In the antenna device, a resonant frequency is adjusted according to an external voltage individually applied to the at least two gates, and polarization information of a terahertz (THz) light source is obtained based on a pattern and an amount of an electric field measured at the at least two gates.

Abstract: A semiconductor memory device and a device including the same are provided. The semiconductor memory device includes word lines extending in a first direction on a semiconductor substrate; bit line structures extending across the word lines in a second direction crossing the first direction; contact pad structures between the word lines and between the bit line structures; and spacers between the bit line structures and the contact pad structures. The spacers include a boron nitride layer.

Abstract: The present invention relates to a method of discovering a marker for predicting a risk of depression or suicide using multi-omics analysis and machine learning, and a marker for predicting a risk of depression or suicide, discovered by the method. According to the method for discovering a marker for predicting a risk of depression or suicide, the marker for predicting the risk of depression or suicide may be discovered with high accuracy and reliability, and the risk of depression or suicide can be diagnosed and prevented at an early stage through genetic testing.

Abstract: A biosensor using an array antenna includes: at least two antenna elements that are spaced apart from each other along the lateral circumference of an object, radiate electromagnetic waves having a directivity toward the inside of the object, and receive a scattered electromagnetic field; a signal generator for generating a feed signal with a frequency sweep; a phase shifter for adjusting the phase of the feed signal and transmitting the feed signal to the at least two antenna elements; and a controller for detecting the location of a target part inside the object based on the scattered electromagnetic field received in response to the radiated electromagnetic waves by sweeping the frequency and phase of the feed signal.

Abstract: Disclosed herein is a nano membrane. The nano membrane includes an insulating layer having a thickness corresponding to a diameter of each of metal nanowires and configured to contain the metal nanowires therein, and the metal nanowires arranged to cross and having portions of side surfaces which protrude from one surface of the insulating layer.

Abstract: The present invention relates to an interphone device for use in ships, the interphone device comprising: an input/output unit to which a voice is input or from which a voice is output; a transmission/reception circuit unit which receives the voice from the input/output unit and provides a first signal obtained by encoding and modulating the received voice; and an antenna which is attached to the metal hull of the ship, forms an electromagnetic field in the metal hull, and carries the first signal received from the transmission/reception circuit unit by the electromagnetic field, so as to propagate the first signal.

Abstract: Disclosed are a stereoscopic magnetic print film formed using magnetic particles and a method of manufacturing the stereoscopic magnetic print film. The method includes preparing magnetic ink including magnetic particles, forming a printing layer on a base layer using the prepared magnetic ink, and forming a stereoscopic pattern by applying a magnetic field to the printing layer.

Abstract: Disclosed is a low power modulator with a VCO quantizer. The low power modulator with the VCO quantizer may include an integrator converting an input current to a voltage, a quantizer converting the converted voltage to digital information, a filter unit filtering the converted digital information, a DAC converting the filtered digital information into a feedback current, and a controller calculating the digital information output based on a difference value between the input current and the feedback current for each sampling time.

Abstract: Disclosed are a CMOS temperature sensor for measuring a temperature and an operating method thereof. According to an embodiment, the CMOS temperature sensor for measuring the temperature may include a readout circuit that outputs a readout value by comparing a voltage value at a first end of a capacitor charging a charge based on a proportional current proportional to a temperature with an inverse proportional voltage inversely proportional to the temperature or comparing a voltage value at a second end of the capacitor formed at the other side of the first end with a ground voltage; and a control unit that determines a temperature based on an oscillation period of the readout value output from the readout circuit.

Abstract: A photoacoustic-ultrasonic dual-mode endoscope includes: a probe and a probe driving unit, wherein the probe includes: a coaxially configured optical and electromagnetic rotary waveguide assembly including an optical fiber, the optical fiber including a core and a cladding, and a conductive path coaxially arranged with the optical fiber; a scanning tip located at an end of the coaxially configured optical and electromagnetic rotary waveguide assembly and configured to deliver a laser beam to an object to be examined and detect a photoacoustic signal and an ultrasonic signal generated from the object to be examined; and a plastic catheter surrounding outer surfaces of the coaxially configured optical and electromagnetic rotary waveguide assembly and the scanning tip, wherein the conductive path includes: a first conductive path including a portion coaxially arranged with the optical fiber; and a second conductive path including a portion coaxially arranged with the optical fiber and insulated from the first co

Abstract: Provided are a black phosphorus-two dimensional material complex and a method of manufacturing the black phosphorus-two dimensional material complex. The black phosphorus-two dimensional material complex includes: first and second two-dimensional material layers, which each have a two-dimensional crystal structure and are coupled to each other by van der Waals force; and a black phosphorus sheet which between the first and second two-dimensional material layers and having a two-dimensional crystal structure in which a plurality of phosphorus atoms are covalently bonded.

Abstract: An electronic device comprises: a first plate configured to face one surface of the electronic device; a second plate configured to face in a direction opposite to the first plate; a side bezel structure connected to the first plate and the second plate and configured to surround the side of the electronic device; and a printed circuit board mounted in the electronic device and configured to be connected to the side bezel structure, wherein the printed circuit board comprises: a ground area; a first conductive pad, disposed in one area of the printed circuit board, and configured to couple the side bezel structure and the printed circuit board; and a second conductive pad electrically connected to the ground area and disposed between the first conductive pad and the ground area, wherein the first conductive pad and the second conductive pad may be disposed at an interval through which a current, having a voltage equal to or greater than a threshold voltage between the first conductive pad and a second electro

Abstract: Provided are a negative active material for a lithium secondary battery, a manufacturing method thereof, and a lithium secondary battery including the same, and the present invention may provide a negative active material for a lithium secondary battery including a secondary particle in which a plurality of silicon nanoparticles are aggregated; and a plurality of metal particles distributed in pores in the secondary particle, a manufacturing method thereof, and a lithium secondary battery including the same.

Abstract: A moisture permeability measuring device includes a first body member including a seating part, a flexible bottom plate to be arranged on the seating part, a flexible top plate to be arranged on the bottom plate, a holder part to fix a lower edge portion of the bottom plate and an upper edge portion of the top plate, and a second body member to be arranged on the holder part and having a through-hole defined in a region overlapping the top plate, and an area of the seating part on a plane is smaller than an area of the bottom plate on the plane.

Abstract: Disclosed are an electrolyte solution for lithium secondary batteries and a lithium secondary battery including the same.

Abstract: Disclosed is a shield for eyelash extension of an eyelash extension system for extending a subject's eyelashes by bonding fake eyelashes thereto. The shield includes a safety cover divided into an upper body and a lower body such that front ends of the upper body and the lower body are paired to be opened or closed together to bite a subject's eyelashes placed therebetween. The safety cover includes a concave curved receiving groove in a front end of the safety cover to accommodate the subject's eyelashes while in contact with a protruding eye of the subject with his or her eye closed, and a work space with an entrance open to a rear side is provided behind the receiving groove. The work space is for accommodating the eyelashes pulled by being bitten between the front ends of the upper and lower bodies and conducting eyelash extension work therein.